update the rapidjson used by discord-rpc to current master dfbe1db9da455552f7a9ad5d2aea17dd9d832ac1
This commit is contained in:
parent
e3a30fbdf2
commit
392fc1dcdc
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@ -52,6 +52,19 @@ concept Allocator {
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\endcode
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*/
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/*! \def RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY
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\ingroup RAPIDJSON_CONFIG
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\brief User-defined kDefaultChunkCapacity definition.
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User can define this as any \c size that is a power of 2.
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*/
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#ifndef RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY
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#define RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY (64 * 1024)
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// CrtAllocator
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@ -236,7 +249,7 @@ private:
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*/
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bool AddChunk(size_t capacity) {
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if (!baseAllocator_)
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ownBaseAllocator_ = baseAllocator_ = RAPIDJSON_NEW(BaseAllocator());
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ownBaseAllocator_ = baseAllocator_ = RAPIDJSON_NEW(BaseAllocator)();
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if (ChunkHeader* chunk = reinterpret_cast<ChunkHeader*>(baseAllocator_->Malloc(RAPIDJSON_ALIGN(sizeof(ChunkHeader)) + capacity))) {
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chunk->capacity = capacity;
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chunk->size = 0;
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@ -248,7 +261,7 @@ private:
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return false;
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}
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static const int kDefaultChunkCapacity = 64 * 1024; //!< Default chunk capacity.
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static const int kDefaultChunkCapacity = RAPIDJSON_ALLOCATOR_DEFAULT_CHUNK_CAPACITY; //!< Default chunk capacity.
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//! Chunk header for perpending to each chunk.
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/*! Chunks are stored as a singly linked list.
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@ -0,0 +1,78 @@
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// Tencent is pleased to support the open source community by making RapidJSON available.
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//
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// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
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//
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// Licensed under the MIT License (the "License"); you may not use this file except
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// in compliance with the License. You may obtain a copy of the License at
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//
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// http://opensource.org/licenses/MIT
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//
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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#ifndef RAPIDJSON_CURSORSTREAMWRAPPER_H_
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#define RAPIDJSON_CURSORSTREAMWRAPPER_H_
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#include "stream.h"
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#if defined(__GNUC__)
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RAPIDJSON_DIAG_PUSH
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RAPIDJSON_DIAG_OFF(effc++)
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#endif
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#if defined(_MSC_VER) && _MSC_VER <= 1800
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RAPIDJSON_DIAG_PUSH
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RAPIDJSON_DIAG_OFF(4702) // unreachable code
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RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
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#endif
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RAPIDJSON_NAMESPACE_BEGIN
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//! Cursor stream wrapper for counting line and column number if error exists.
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/*!
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\tparam InputStream Any stream that implements Stream Concept
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*/
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template <typename InputStream, typename Encoding = UTF8<> >
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class CursorStreamWrapper : public GenericStreamWrapper<InputStream, Encoding> {
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public:
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typedef typename Encoding::Ch Ch;
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CursorStreamWrapper(InputStream& is):
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GenericStreamWrapper<InputStream, Encoding>(is), line_(1), col_(0) {}
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// counting line and column number
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Ch Take() {
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Ch ch = this->is_.Take();
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if(ch == '\n') {
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line_ ++;
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col_ = 0;
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} else {
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col_ ++;
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}
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return ch;
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}
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//! Get the error line number, if error exists.
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size_t GetLine() const { return line_; }
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//! Get the error column number, if error exists.
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size_t GetColumn() const { return col_; }
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private:
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size_t line_; //!< Current Line
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size_t col_; //!< Current Column
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};
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#if defined(_MSC_VER) && _MSC_VER <= 1800
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RAPIDJSON_DIAG_POP
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#endif
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#if defined(__GNUC__)
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RAPIDJSON_DIAG_POP
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#endif
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RAPIDJSON_NAMESPACE_END
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#endif // RAPIDJSON_CURSORSTREAMWRAPPER_H_
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@ -26,26 +26,21 @@
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#include <limits>
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RAPIDJSON_DIAG_PUSH
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#ifdef _MSC_VER
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RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant
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RAPIDJSON_DIAG_OFF(4244) // conversion from kXxxFlags to 'uint16_t', possible loss of data
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#endif
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#ifdef __clang__
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RAPIDJSON_DIAG_OFF(padded)
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RAPIDJSON_DIAG_OFF(switch-enum)
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RAPIDJSON_DIAG_OFF(c++98-compat)
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#elif defined(_MSC_VER)
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RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant
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RAPIDJSON_DIAG_OFF(4244) // conversion from kXxxFlags to 'uint16_t', possible loss of data
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#endif
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#ifdef __GNUC__
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RAPIDJSON_DIAG_OFF(effc++)
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#if __GNUC__ >= 6
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RAPIDJSON_DIAG_OFF(terminate) // ignore throwing RAPIDJSON_ASSERT in RAPIDJSON_NOEXCEPT functions
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#endif
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#endif // __GNUC__
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#ifndef RAPIDJSON_NOMEMBERITERATORCLASS
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#include <iterator> // std::iterator, std::random_access_iterator_tag
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#include <iterator> // std::random_access_iterator_tag
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#endif
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#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
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@ -68,9 +63,45 @@ class GenericDocument;
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https://code.google.com/p/rapidjson/issues/detail?id=64
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*/
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template <typename Encoding, typename Allocator>
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struct GenericMember {
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class GenericMember {
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public:
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GenericValue<Encoding, Allocator> name; //!< name of member (must be a string)
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GenericValue<Encoding, Allocator> value; //!< value of member.
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#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
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//! Move constructor in C++11
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GenericMember(GenericMember&& rhs) RAPIDJSON_NOEXCEPT
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: name(std::move(rhs.name)),
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value(std::move(rhs.value))
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{
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}
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//! Move assignment in C++11
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GenericMember& operator=(GenericMember&& rhs) RAPIDJSON_NOEXCEPT {
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return *this = static_cast<GenericMember&>(rhs);
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}
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#endif
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//! Assignment with move semantics.
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/*! \param rhs Source of the assignment. Its name and value will become a null value after assignment.
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*/
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GenericMember& operator=(GenericMember& rhs) RAPIDJSON_NOEXCEPT {
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if (RAPIDJSON_LIKELY(this != &rhs)) {
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name = rhs.name;
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value = rhs.value;
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}
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return *this;
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}
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// swap() for std::sort() and other potential use in STL.
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friend inline void swap(GenericMember& a, GenericMember& b) RAPIDJSON_NOEXCEPT {
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a.name.Swap(b.name);
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a.value.Swap(b.value);
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}
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private:
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//! Copy constructor is not permitted.
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GenericMember(const GenericMember& rhs);
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};
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///////////////////////////////////////////////////////////////////////////////
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@ -98,16 +129,13 @@ struct GenericMember {
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\see GenericMember, GenericValue::MemberIterator, GenericValue::ConstMemberIterator
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*/
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template <bool Const, typename Encoding, typename Allocator>
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class GenericMemberIterator
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: public std::iterator<std::random_access_iterator_tag
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, typename internal::MaybeAddConst<Const,GenericMember<Encoding,Allocator> >::Type> {
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class GenericMemberIterator {
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friend class GenericValue<Encoding,Allocator>;
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template <bool, typename, typename> friend class GenericMemberIterator;
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typedef GenericMember<Encoding,Allocator> PlainType;
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typedef typename internal::MaybeAddConst<Const,PlainType>::Type ValueType;
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typedef std::iterator<std::random_access_iterator_tag,ValueType> BaseType;
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public:
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//! Iterator type itself
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//! Non-constant iterator type
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typedef GenericMemberIterator<false,Encoding,Allocator> NonConstIterator;
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/** \name std::iterator_traits support */
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//@{
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typedef ValueType value_type;
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typedef ValueType * pointer;
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typedef ValueType & reference;
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typedef std::ptrdiff_t difference_type;
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typedef std::random_access_iterator_tag iterator_category;
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//@}
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//! Pointer to (const) GenericMember
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typedef typename BaseType::pointer Pointer;
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typedef pointer Pointer;
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//! Reference to (const) GenericMember
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typedef typename BaseType::reference Reference;
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typedef reference Reference;
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//! Signed integer type (e.g. \c ptrdiff_t)
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typedef typename BaseType::difference_type DifferenceType;
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typedef difference_type DifferenceType;
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//! Default constructor (singular value)
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/*! Creates an iterator pointing to no element.
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// class-based member iterator implementation disabled, use plain pointers
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template <bool Const, typename Encoding, typename Allocator>
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struct GenericMemberIterator;
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class GenericMemberIterator;
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//! non-const GenericMemberIterator
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template <typename Encoding, typename Allocator>
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struct GenericMemberIterator<false,Encoding,Allocator> {
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class GenericMemberIterator<false,Encoding,Allocator> {
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//! use plain pointer as iterator type
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typedef GenericMember<Encoding,Allocator>* Iterator;
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};
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//! const GenericMemberIterator
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template <typename Encoding, typename Allocator>
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struct GenericMemberIterator<true,Encoding,Allocator> {
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class GenericMemberIterator<true,Encoding,Allocator> {
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//! use plain const pointer as iterator type
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typedef const GenericMember<Encoding,Allocator>* Iterator;
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};
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@ -300,7 +337,7 @@ struct GenericStringRef {
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*/
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#endif
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explicit GenericStringRef(const CharType* str)
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: s(str), length(internal::StrLen(str)){ RAPIDJSON_ASSERT(s != 0); }
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: s(str), length(NotNullStrLen(str)) {}
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//! Create constant string reference from pointer and length
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#ifndef __clang__ // -Wdocumentation
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*/
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#endif
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GenericStringRef(const CharType* str, SizeType len)
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: s(str), length(len) { RAPIDJSON_ASSERT(s != 0); }
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: s(RAPIDJSON_LIKELY(str) ? str : emptyString), length(len) { RAPIDJSON_ASSERT(str != 0 || len == 0u); }
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GenericStringRef(const GenericStringRef& rhs) : s(rhs.s), length(rhs.length) {}
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GenericStringRef& operator=(const GenericStringRef& rhs) { s = rhs.s; length = rhs.length; }
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//! implicit conversion to plain CharType pointer
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operator const Ch *() const { return s; }
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@ -325,11 +360,24 @@ struct GenericStringRef {
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const SizeType length; //!< length of the string (excluding the trailing NULL terminator)
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private:
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SizeType NotNullStrLen(const CharType* str) {
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RAPIDJSON_ASSERT(str != 0);
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return internal::StrLen(str);
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}
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/// Empty string - used when passing in a NULL pointer
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static const Ch emptyString[];
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//! Disallow construction from non-const array
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template<SizeType N>
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GenericStringRef(CharType (&str)[N]) /* = delete */;
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//! Copy assignment operator not permitted - immutable type
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GenericStringRef& operator=(const GenericStringRef& rhs) /* = delete */;
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};
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template<typename CharType>
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const CharType GenericStringRef<CharType>::emptyString[] = { CharType() };
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//! Mark a character pointer as constant string
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/*! Mark a plain character pointer as a "string literal". This function
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can be used to avoid copying a character string to be referenced as a
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*/
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template<typename CharType>
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inline GenericStringRef<CharType> StringRef(const CharType* str) {
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return GenericStringRef<CharType>(str, internal::StrLen(str));
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return GenericStringRef<CharType>(str);
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}
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//! Mark a character pointer as constant string
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@ -434,6 +482,26 @@ struct TypeHelper<ValueType, unsigned> {
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static ValueType& Set(ValueType& v, unsigned data, typename ValueType::AllocatorType&) { return v.SetUint(data); }
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};
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#ifdef _MSC_VER
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RAPIDJSON_STATIC_ASSERT(sizeof(long) == sizeof(int));
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template<typename ValueType>
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struct TypeHelper<ValueType, long> {
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static bool Is(const ValueType& v) { return v.IsInt(); }
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static long Get(const ValueType& v) { return v.GetInt(); }
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static ValueType& Set(ValueType& v, long data) { return v.SetInt(data); }
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static ValueType& Set(ValueType& v, long data, typename ValueType::AllocatorType&) { return v.SetInt(data); }
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};
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RAPIDJSON_STATIC_ASSERT(sizeof(unsigned long) == sizeof(unsigned));
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template<typename ValueType>
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struct TypeHelper<ValueType, unsigned long> {
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static bool Is(const ValueType& v) { return v.IsUint(); }
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static unsigned long Get(const ValueType& v) { return v.GetUint(); }
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static ValueType& Set(ValueType& v, unsigned long data) { return v.SetUint(data); }
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static ValueType& Set(ValueType& v, unsigned long data, typename ValueType::AllocatorType&) { return v.SetUint(data); }
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};
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#endif
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template<typename ValueType>
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struct TypeHelper<ValueType, int64_t> {
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static bool Is(const ValueType& v) { return v.IsInt64(); }
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@ -507,7 +575,7 @@ struct TypeHelper<ValueType, typename ValueType::Object> {
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static bool Is(const ValueType& v) { return v.IsObject(); }
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static ObjectType Get(ValueType& v) { return v.GetObject(); }
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static ValueType& Set(ValueType& v, ObjectType data) { return v = data; }
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static ValueType& Set(ValueType& v, ObjectType data, typename ValueType::AllocatorType&) { v = data; }
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static ValueType& Set(ValueType& v, ObjectType data, typename ValueType::AllocatorType&) { return v = data; }
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};
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template<typename ValueType>
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@ -590,11 +658,11 @@ public:
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\note Default content for number is zero.
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*/
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explicit GenericValue(Type type) RAPIDJSON_NOEXCEPT : data_() {
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static const uint16_t defaultFlags[7] = {
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static const uint16_t defaultFlags[] = {
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kNullFlag, kFalseFlag, kTrueFlag, kObjectFlag, kArrayFlag, kShortStringFlag,
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kNumberAnyFlag
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};
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RAPIDJSON_ASSERT(type <= kNumberType);
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RAPIDJSON_NOEXCEPT_ASSERT(type >= kNullType && type <= kNumberType);
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data_.f.flags = defaultFlags[type];
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// Use ShortString to store empty string.
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@ -607,10 +675,50 @@ public:
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\tparam SourceAllocator allocator of \c rhs
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\param rhs Value to copy from (read-only)
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\param allocator Allocator for allocating copied elements and buffers. Commonly use GenericDocument::GetAllocator().
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\param copyConstStrings Force copying of constant strings (e.g. referencing an in-situ buffer)
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\see CopyFrom()
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*/
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template <typename SourceAllocator>
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GenericValue(const GenericValue<Encoding, SourceAllocator>& rhs, Allocator & allocator);
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GenericValue(const GenericValue<Encoding,SourceAllocator>& rhs, Allocator& allocator, bool copyConstStrings = false) {
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switch (rhs.GetType()) {
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case kObjectType: {
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SizeType count = rhs.data_.o.size;
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Member* lm = reinterpret_cast<Member*>(allocator.Malloc(count * sizeof(Member)));
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const typename GenericValue<Encoding,SourceAllocator>::Member* rm = rhs.GetMembersPointer();
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for (SizeType i = 0; i < count; i++) {
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new (&lm[i].name) GenericValue(rm[i].name, allocator, copyConstStrings);
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new (&lm[i].value) GenericValue(rm[i].value, allocator, copyConstStrings);
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}
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data_.f.flags = kObjectFlag;
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data_.o.size = data_.o.capacity = count;
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SetMembersPointer(lm);
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}
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break;
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case kArrayType: {
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SizeType count = rhs.data_.a.size;
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GenericValue* le = reinterpret_cast<GenericValue*>(allocator.Malloc(count * sizeof(GenericValue)));
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const GenericValue<Encoding,SourceAllocator>* re = rhs.GetElementsPointer();
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for (SizeType i = 0; i < count; i++)
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new (&le[i]) GenericValue(re[i], allocator, copyConstStrings);
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data_.f.flags = kArrayFlag;
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data_.a.size = data_.a.capacity = count;
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SetElementsPointer(le);
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}
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break;
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case kStringType:
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if (rhs.data_.f.flags == kConstStringFlag && !copyConstStrings) {
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data_.f.flags = rhs.data_.f.flags;
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data_ = *reinterpret_cast<const Data*>(&rhs.data_);
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}
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else
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SetStringRaw(StringRef(rhs.GetString(), rhs.GetStringLength()), allocator);
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break;
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default:
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data_.f.flags = rhs.data_.f.flags;
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data_ = *reinterpret_cast<const Data*>(&rhs.data_);
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break;
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}
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}
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//! Constructor for boolean value.
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/*! \param b Boolean value
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@ -672,6 +780,9 @@ public:
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//! Constructor for double value.
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explicit GenericValue(double d) RAPIDJSON_NOEXCEPT : data_() { data_.n.d = d; data_.f.flags = kNumberDoubleFlag; }
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//! Constructor for float value.
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explicit GenericValue(float f) RAPIDJSON_NOEXCEPT : data_() { data_.n.d = static_cast<double>(f); data_.f.flags = kNumberDoubleFlag; }
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//! Constructor for constant string (i.e. do not make a copy of string)
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GenericValue(const Ch* s, SizeType length) RAPIDJSON_NOEXCEPT : data_() { SetStringRaw(StringRef(s, length)); }
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@ -753,9 +864,10 @@ public:
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/*! \param rhs Source of the assignment. It will become a null value after assignment.
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*/
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GenericValue& operator=(GenericValue& rhs) RAPIDJSON_NOEXCEPT {
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RAPIDJSON_ASSERT(this != &rhs);
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if (RAPIDJSON_LIKELY(this != &rhs)) {
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this->~GenericValue();
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RawAssign(rhs);
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}
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return *this;
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}
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||||
|
@ -800,12 +912,13 @@ public:
|
|||
\tparam SourceAllocator Allocator type of \c rhs
|
||||
\param rhs Value to copy from (read-only)
|
||||
\param allocator Allocator to use for copying
|
||||
\param copyConstStrings Force copying of constant strings (e.g. referencing an in-situ buffer)
|
||||
*/
|
||||
template <typename SourceAllocator>
|
||||
GenericValue& CopyFrom(const GenericValue<Encoding, SourceAllocator>& rhs, Allocator& allocator) {
|
||||
GenericValue& CopyFrom(const GenericValue<Encoding, SourceAllocator>& rhs, Allocator& allocator, bool copyConstStrings = false) {
|
||||
RAPIDJSON_ASSERT(static_cast<void*>(this) != static_cast<void const*>(&rhs));
|
||||
this->~GenericValue();
|
||||
new (this) GenericValue(rhs, allocator);
|
||||
new (this) GenericValue(rhs, allocator, copyConstStrings);
|
||||
return *this;
|
||||
}
|
||||
|
||||
|
@ -846,7 +959,7 @@ public:
|
|||
//! Equal-to operator
|
||||
/*!
|
||||
\note If an object contains duplicated named member, comparing equality with any object is always \c false.
|
||||
\note Linear time complexity (number of all values in the subtree and total lengths of all strings).
|
||||
\note Complexity is quadratic in Object's member number and linear for the rest (number of all values in the subtree and total lengths of all strings).
|
||||
*/
|
||||
template <typename SourceAllocator>
|
||||
bool operator==(const GenericValue<Encoding, SourceAllocator>& rhs) const {
|
||||
|
@ -955,14 +1068,14 @@ public:
|
|||
uint64_t u = GetUint64();
|
||||
volatile double d = static_cast<double>(u);
|
||||
return (d >= 0.0)
|
||||
&& (d < static_cast<double>(std::numeric_limits<uint64_t>::max()))
|
||||
&& (d < static_cast<double>((std::numeric_limits<uint64_t>::max)()))
|
||||
&& (u == static_cast<uint64_t>(d));
|
||||
}
|
||||
if (IsInt64()) {
|
||||
int64_t i = GetInt64();
|
||||
volatile double d = static_cast<double>(i);
|
||||
return (d >= static_cast<double>(std::numeric_limits<int64_t>::min()))
|
||||
&& (d < static_cast<double>(std::numeric_limits<int64_t>::max()))
|
||||
return (d >= static_cast<double>((std::numeric_limits<int64_t>::min)()))
|
||||
&& (d < static_cast<double>((std::numeric_limits<int64_t>::max)()))
|
||||
&& (i == static_cast<int64_t>(d));
|
||||
}
|
||||
return true; // double, int, uint are always lossless
|
||||
|
@ -979,8 +1092,8 @@ public:
|
|||
bool IsLosslessFloat() const {
|
||||
if (!IsNumber()) return false;
|
||||
double a = GetDouble();
|
||||
if (a < static_cast<double>(-std::numeric_limits<float>::max())
|
||||
|| a > static_cast<double>(std::numeric_limits<float>::max()))
|
||||
if (a < static_cast<double>(-(std::numeric_limits<float>::max)())
|
||||
|| a > static_cast<double>((std::numeric_limits<float>::max)()))
|
||||
return false;
|
||||
double b = static_cast<double>(static_cast<float>(a));
|
||||
return a >= b && a <= b; // Prevent -Wfloat-equal
|
||||
|
@ -1015,6 +1128,9 @@ public:
|
|||
//! Get the number of members in the object.
|
||||
SizeType MemberCount() const { RAPIDJSON_ASSERT(IsObject()); return data_.o.size; }
|
||||
|
||||
//! Get the capacity of object.
|
||||
SizeType MemberCapacity() const { RAPIDJSON_ASSERT(IsObject()); return data_.o.capacity; }
|
||||
|
||||
//! Check whether the object is empty.
|
||||
bool ObjectEmpty() const { RAPIDJSON_ASSERT(IsObject()); return data_.o.size == 0; }
|
||||
|
||||
|
@ -1083,6 +1199,21 @@ public:
|
|||
/*! \pre IsObject() == true */
|
||||
MemberIterator MemberEnd() { RAPIDJSON_ASSERT(IsObject()); return MemberIterator(GetMembersPointer() + data_.o.size); }
|
||||
|
||||
//! Request the object to have enough capacity to store members.
|
||||
/*! \param newCapacity The capacity that the object at least need to have.
|
||||
\param allocator Allocator for reallocating memory. It must be the same one as used before. Commonly use GenericDocument::GetAllocator().
|
||||
\return The value itself for fluent API.
|
||||
\note Linear time complexity.
|
||||
*/
|
||||
GenericValue& MemberReserve(SizeType newCapacity, Allocator &allocator) {
|
||||
RAPIDJSON_ASSERT(IsObject());
|
||||
if (newCapacity > data_.o.capacity) {
|
||||
SetMembersPointer(reinterpret_cast<Member*>(allocator.Realloc(GetMembersPointer(), data_.o.capacity * sizeof(Member), newCapacity * sizeof(Member))));
|
||||
data_.o.capacity = newCapacity;
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
|
||||
//! Check whether a member exists in the object.
|
||||
/*!
|
||||
\param name Member name to be searched.
|
||||
|
@ -1188,17 +1319,8 @@ public:
|
|||
RAPIDJSON_ASSERT(name.IsString());
|
||||
|
||||
ObjectData& o = data_.o;
|
||||
if (o.size >= o.capacity) {
|
||||
if (o.capacity == 0) {
|
||||
o.capacity = kDefaultObjectCapacity;
|
||||
SetMembersPointer(reinterpret_cast<Member*>(allocator.Malloc(o.capacity * sizeof(Member))));
|
||||
}
|
||||
else {
|
||||
SizeType oldCapacity = o.capacity;
|
||||
o.capacity += (oldCapacity + 1) / 2; // grow by factor 1.5
|
||||
SetMembersPointer(reinterpret_cast<Member*>(allocator.Realloc(GetMembersPointer(), oldCapacity * sizeof(Member), o.capacity * sizeof(Member))));
|
||||
}
|
||||
}
|
||||
if (o.size >= o.capacity)
|
||||
MemberReserve(o.capacity == 0 ? kDefaultObjectCapacity : (o.capacity + (o.capacity + 1) / 2), allocator);
|
||||
Member* members = GetMembersPointer();
|
||||
members[o.size].name.RawAssign(name);
|
||||
members[o.size].value.RawAssign(value);
|
||||
|
@ -1425,7 +1547,7 @@ public:
|
|||
MemberIterator pos = MemberBegin() + (first - MemberBegin());
|
||||
for (MemberIterator itr = pos; itr != last; ++itr)
|
||||
itr->~Member();
|
||||
std::memmove(&*pos, &*last, static_cast<size_t>(MemberEnd() - last) * sizeof(Member));
|
||||
std::memmove(static_cast<void*>(&*pos), &*last, static_cast<size_t>(MemberEnd() - last) * sizeof(Member));
|
||||
data_.o.size -= static_cast<SizeType>(last - first);
|
||||
return pos;
|
||||
}
|
||||
|
@ -1629,7 +1751,7 @@ public:
|
|||
ValueIterator pos = Begin() + (first - Begin());
|
||||
for (ValueIterator itr = pos; itr != last; ++itr)
|
||||
itr->~GenericValue();
|
||||
std::memmove(pos, last, static_cast<size_t>(End() - last) * sizeof(GenericValue));
|
||||
std::memmove(static_cast<void*>(pos), last, static_cast<size_t>(End() - last) * sizeof(GenericValue));
|
||||
data_.a.size -= static_cast<SizeType>(last - first);
|
||||
return pos;
|
||||
}
|
||||
|
@ -1671,7 +1793,7 @@ public:
|
|||
GenericValue& SetInt64(int64_t i64) { this->~GenericValue(); new (this) GenericValue(i64); return *this; }
|
||||
GenericValue& SetUint64(uint64_t u64) { this->~GenericValue(); new (this) GenericValue(u64); return *this; }
|
||||
GenericValue& SetDouble(double d) { this->~GenericValue(); new (this) GenericValue(d); return *this; }
|
||||
GenericValue& SetFloat(float f) { this->~GenericValue(); new (this) GenericValue(f); return *this; }
|
||||
GenericValue& SetFloat(float f) { this->~GenericValue(); new (this) GenericValue(static_cast<double>(f)); return *this; }
|
||||
|
||||
//@}
|
||||
|
||||
|
@ -1710,7 +1832,7 @@ public:
|
|||
\return The value itself for fluent API.
|
||||
\post IsString() == true && GetString() != s && strcmp(GetString(),s) == 0 && GetStringLength() == length
|
||||
*/
|
||||
GenericValue& SetString(const Ch* s, SizeType length, Allocator& allocator) { this->~GenericValue(); SetStringRaw(StringRef(s, length), allocator); return *this; }
|
||||
GenericValue& SetString(const Ch* s, SizeType length, Allocator& allocator) { return SetString(StringRef(s, length), allocator); }
|
||||
|
||||
//! Set this value as a string by copying from source string.
|
||||
/*! \param s source string.
|
||||
|
@ -1718,7 +1840,15 @@ public:
|
|||
\return The value itself for fluent API.
|
||||
\post IsString() == true && GetString() != s && strcmp(GetString(),s) == 0 && GetStringLength() == length
|
||||
*/
|
||||
GenericValue& SetString(const Ch* s, Allocator& allocator) { return SetString(s, internal::StrLen(s), allocator); }
|
||||
GenericValue& SetString(const Ch* s, Allocator& allocator) { return SetString(StringRef(s), allocator); }
|
||||
|
||||
//! Set this value as a string by copying from source string.
|
||||
/*! \param s source string reference
|
||||
\param allocator Allocator for allocating copied buffer. Commonly use GenericDocument::GetAllocator().
|
||||
\return The value itself for fluent API.
|
||||
\post IsString() == true && GetString() != s.s && strcmp(GetString(),s) == 0 && GetStringLength() == length
|
||||
*/
|
||||
GenericValue& SetString(StringRefType s, Allocator& allocator) { this->~GenericValue(); SetStringRaw(s, allocator); return *this; }
|
||||
|
||||
#if RAPIDJSON_HAS_STDSTRING
|
||||
//! Set this value as a string by copying from source string.
|
||||
|
@ -1728,7 +1858,7 @@ public:
|
|||
\post IsString() == true && GetString() != s.data() && strcmp(GetString(),s.data() == 0 && GetStringLength() == s.size()
|
||||
\note Requires the definition of the preprocessor symbol \ref RAPIDJSON_HAS_STDSTRING.
|
||||
*/
|
||||
GenericValue& SetString(const std::basic_string<Ch>& s, Allocator& allocator) { return SetString(s.data(), SizeType(s.size()), allocator); }
|
||||
GenericValue& SetString(const std::basic_string<Ch>& s, Allocator& allocator) { return SetString(StringRef(s), allocator); }
|
||||
#endif
|
||||
|
||||
//@}
|
||||
|
@ -1936,7 +2066,7 @@ private:
|
|||
if (count) {
|
||||
GenericValue* e = static_cast<GenericValue*>(allocator.Malloc(count * sizeof(GenericValue)));
|
||||
SetElementsPointer(e);
|
||||
std::memcpy(e, values, count * sizeof(GenericValue));
|
||||
std::memcpy(static_cast<void*>(e), values, count * sizeof(GenericValue));
|
||||
}
|
||||
else
|
||||
SetElementsPointer(0);
|
||||
|
@ -1949,7 +2079,7 @@ private:
|
|||
if (count) {
|
||||
Member* m = static_cast<Member*>(allocator.Malloc(count * sizeof(Member)));
|
||||
SetMembersPointer(m);
|
||||
std::memcpy(m, members, count * sizeof(Member));
|
||||
std::memcpy(static_cast<void*>(m), members, count * sizeof(Member));
|
||||
}
|
||||
else
|
||||
SetMembersPointer(0);
|
||||
|
@ -2038,7 +2168,7 @@ public:
|
|||
GenericValue<Encoding, Allocator>(type), allocator_(allocator), ownAllocator_(0), stack_(stackAllocator, stackCapacity), parseResult_()
|
||||
{
|
||||
if (!allocator_)
|
||||
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator());
|
||||
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
|
||||
}
|
||||
|
||||
//! Constructor
|
||||
|
@ -2051,7 +2181,7 @@ public:
|
|||
allocator_(allocator), ownAllocator_(0), stack_(stackAllocator, stackCapacity), parseResult_()
|
||||
{
|
||||
if (!allocator_)
|
||||
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator());
|
||||
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
|
||||
}
|
||||
|
||||
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||||
|
@ -2112,6 +2242,10 @@ public:
|
|||
return *this;
|
||||
}
|
||||
|
||||
// Allow Swap with ValueType.
|
||||
// Refer to Effective C++ 3rd Edition/Item 33: Avoid hiding inherited names.
|
||||
using ValueType::Swap;
|
||||
|
||||
//! free-standing swap function helper
|
||||
/*!
|
||||
Helper function to enable support for common swap implementation pattern based on \c std::swap:
|
||||
|
@ -2243,7 +2377,7 @@ public:
|
|||
template <unsigned parseFlags, typename SourceEncoding>
|
||||
GenericDocument& Parse(const typename SourceEncoding::Ch* str, size_t length) {
|
||||
RAPIDJSON_ASSERT(!(parseFlags & kParseInsituFlag));
|
||||
MemoryStream ms(static_cast<const char*>(str), length * sizeof(typename SourceEncoding::Ch));
|
||||
MemoryStream ms(reinterpret_cast<const char*>(str), length * sizeof(typename SourceEncoding::Ch));
|
||||
EncodedInputStream<SourceEncoding, MemoryStream> is(ms);
|
||||
ParseStream<parseFlags, SourceEncoding>(is);
|
||||
return *this;
|
||||
|
@ -2280,7 +2414,7 @@ public:
|
|||
//!@name Handling parse errors
|
||||
//!@{
|
||||
|
||||
//! Whether a parse error has occured in the last parsing.
|
||||
//! Whether a parse error has occurred in the last parsing.
|
||||
bool HasParseError() const { return parseResult_.IsError(); }
|
||||
|
||||
//! Get the \ref ParseErrorCode of last parsing.
|
||||
|
@ -2401,35 +2535,6 @@ private:
|
|||
//! GenericDocument with UTF8 encoding
|
||||
typedef GenericDocument<UTF8<> > Document;
|
||||
|
||||
// defined here due to the dependency on GenericDocument
|
||||
template <typename Encoding, typename Allocator>
|
||||
template <typename SourceAllocator>
|
||||
inline
|
||||
GenericValue<Encoding,Allocator>::GenericValue(const GenericValue<Encoding,SourceAllocator>& rhs, Allocator& allocator)
|
||||
{
|
||||
switch (rhs.GetType()) {
|
||||
case kObjectType:
|
||||
case kArrayType: { // perform deep copy via SAX Handler
|
||||
GenericDocument<Encoding,Allocator> d(&allocator);
|
||||
rhs.Accept(d);
|
||||
RawAssign(*d.stack_.template Pop<GenericValue>(1));
|
||||
}
|
||||
break;
|
||||
case kStringType:
|
||||
if (rhs.data_.f.flags == kConstStringFlag) {
|
||||
data_.f.flags = rhs.data_.f.flags;
|
||||
data_ = *reinterpret_cast<const Data*>(&rhs.data_);
|
||||
} else {
|
||||
SetStringRaw(StringRef(rhs.GetString(), rhs.GetStringLength()), allocator);
|
||||
}
|
||||
break;
|
||||
default:
|
||||
data_.f.flags = rhs.data_.f.flags;
|
||||
data_ = *reinterpret_cast<const Data*>(&rhs.data_);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
//! Helper class for accessing Value of array type.
|
||||
/*!
|
||||
Instance of this helper class is obtained by \c GenericValue::GetArray().
|
||||
|
@ -2510,6 +2615,7 @@ public:
|
|||
~GenericObject() {}
|
||||
|
||||
SizeType MemberCount() const { return value_.MemberCount(); }
|
||||
SizeType MemberCapacity() const { return value_.MemberCapacity(); }
|
||||
bool ObjectEmpty() const { return value_.ObjectEmpty(); }
|
||||
template <typename T> ValueType& operator[](T* name) const { return value_[name]; }
|
||||
template <typename SourceAllocator> ValueType& operator[](const GenericValue<EncodingType, SourceAllocator>& name) const { return value_[name]; }
|
||||
|
@ -2518,6 +2624,7 @@ public:
|
|||
#endif
|
||||
MemberIterator MemberBegin() const { return value_.MemberBegin(); }
|
||||
MemberIterator MemberEnd() const { return value_.MemberEnd(); }
|
||||
GenericObject MemberReserve(SizeType newCapacity, AllocatorType &allocator) const { value_.MemberReserve(newCapacity, allocator); return *this; }
|
||||
bool HasMember(const Ch* name) const { return value_.HasMember(name); }
|
||||
#if RAPIDJSON_HAS_STDSTRING
|
||||
bool HasMember(const std::basic_string<Ch>& name) const { return value_.HasMember(name); }
|
||||
|
@ -2543,7 +2650,7 @@ public:
|
|||
GenericObject AddMember(StringRefType name, ValueType& value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||||
GenericObject AddMember(StringRefType name, StringRefType value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||||
template <typename T> RAPIDJSON_DISABLEIF_RETURN((internal::OrExpr<internal::IsPointer<T>, internal::IsGenericValue<T> >), (GenericObject)) AddMember(StringRefType name, T value, AllocatorType& allocator) const { value_.AddMember(name, value, allocator); return *this; }
|
||||
void RemoveAllMembers() { return value_.RemoveAllMembers(); }
|
||||
void RemoveAllMembers() { value_.RemoveAllMembers(); }
|
||||
bool RemoveMember(const Ch* name) const { return value_.RemoveMember(name); }
|
||||
#if RAPIDJSON_HAS_STDSTRING
|
||||
bool RemoveMember(const std::basic_string<Ch>& name) const { return value_.RemoveMember(name); }
|
||||
|
|
|
@ -200,7 +200,7 @@ private:
|
|||
// xx xx xx xx UTF-8
|
||||
|
||||
if (!hasBOM_) {
|
||||
unsigned pattern = (c[0] ? 1 : 0) | (c[1] ? 2 : 0) | (c[2] ? 4 : 0) | (c[3] ? 8 : 0);
|
||||
int pattern = (c[0] ? 1 : 0) | (c[1] ? 2 : 0) | (c[2] ? 4 : 0) | (c[3] ? 8 : 0);
|
||||
switch (pattern) {
|
||||
case 0x08: type_ = kUTF32BE; break;
|
||||
case 0x0A: type_ = kUTF16BE; break;
|
||||
|
|
|
@ -17,7 +17,7 @@
|
|||
|
||||
#include "rapidjson.h"
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#if defined(_MSC_VER) && !defined(__clang__)
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(4244) // conversion from 'type1' to 'type2', possible loss of data
|
||||
RAPIDJSON_DIAG_OFF(4702) // unreachable code
|
||||
|
@ -144,9 +144,9 @@ struct UTF8 {
|
|||
|
||||
template <typename InputStream>
|
||||
static bool Decode(InputStream& is, unsigned* codepoint) {
|
||||
#define COPY() c = is.Take(); *codepoint = (*codepoint << 6) | (static_cast<unsigned char>(c) & 0x3Fu)
|
||||
#define TRANS(mask) result &= ((GetRange(static_cast<unsigned char>(c)) & mask) != 0)
|
||||
#define TAIL() COPY(); TRANS(0x70)
|
||||
#define RAPIDJSON_COPY() c = is.Take(); *codepoint = (*codepoint << 6) | (static_cast<unsigned char>(c) & 0x3Fu)
|
||||
#define RAPIDJSON_TRANS(mask) result &= ((GetRange(static_cast<unsigned char>(c)) & mask) != 0)
|
||||
#define RAPIDJSON_TAIL() RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x70)
|
||||
typename InputStream::Ch c = is.Take();
|
||||
if (!(c & 0x80)) {
|
||||
*codepoint = static_cast<unsigned char>(c);
|
||||
|
@ -157,48 +157,48 @@ struct UTF8 {
|
|||
if (type >= 32) {
|
||||
*codepoint = 0;
|
||||
} else {
|
||||
*codepoint = (0xFF >> type) & static_cast<unsigned char>(c);
|
||||
*codepoint = (0xFFu >> type) & static_cast<unsigned char>(c);
|
||||
}
|
||||
bool result = true;
|
||||
switch (type) {
|
||||
case 2: TAIL(); return result;
|
||||
case 3: TAIL(); TAIL(); return result;
|
||||
case 4: COPY(); TRANS(0x50); TAIL(); return result;
|
||||
case 5: COPY(); TRANS(0x10); TAIL(); TAIL(); return result;
|
||||
case 6: TAIL(); TAIL(); TAIL(); return result;
|
||||
case 10: COPY(); TRANS(0x20); TAIL(); return result;
|
||||
case 11: COPY(); TRANS(0x60); TAIL(); TAIL(); return result;
|
||||
case 2: RAPIDJSON_TAIL(); return result;
|
||||
case 3: RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
|
||||
case 4: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x50); RAPIDJSON_TAIL(); return result;
|
||||
case 5: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x10); RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
|
||||
case 6: RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
|
||||
case 10: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x20); RAPIDJSON_TAIL(); return result;
|
||||
case 11: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x60); RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
|
||||
default: return false;
|
||||
}
|
||||
#undef COPY
|
||||
#undef TRANS
|
||||
#undef TAIL
|
||||
#undef RAPIDJSON_COPY
|
||||
#undef RAPIDJSON_TRANS
|
||||
#undef RAPIDJSON_TAIL
|
||||
}
|
||||
|
||||
template <typename InputStream, typename OutputStream>
|
||||
static bool Validate(InputStream& is, OutputStream& os) {
|
||||
#define COPY() os.Put(c = is.Take())
|
||||
#define TRANS(mask) result &= ((GetRange(static_cast<unsigned char>(c)) & mask) != 0)
|
||||
#define TAIL() COPY(); TRANS(0x70)
|
||||
#define RAPIDJSON_COPY() os.Put(c = is.Take())
|
||||
#define RAPIDJSON_TRANS(mask) result &= ((GetRange(static_cast<unsigned char>(c)) & mask) != 0)
|
||||
#define RAPIDJSON_TAIL() RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x70)
|
||||
Ch c;
|
||||
COPY();
|
||||
RAPIDJSON_COPY();
|
||||
if (!(c & 0x80))
|
||||
return true;
|
||||
|
||||
bool result = true;
|
||||
switch (GetRange(static_cast<unsigned char>(c))) {
|
||||
case 2: TAIL(); return result;
|
||||
case 3: TAIL(); TAIL(); return result;
|
||||
case 4: COPY(); TRANS(0x50); TAIL(); return result;
|
||||
case 5: COPY(); TRANS(0x10); TAIL(); TAIL(); return result;
|
||||
case 6: TAIL(); TAIL(); TAIL(); return result;
|
||||
case 10: COPY(); TRANS(0x20); TAIL(); return result;
|
||||
case 11: COPY(); TRANS(0x60); TAIL(); TAIL(); return result;
|
||||
case 2: RAPIDJSON_TAIL(); return result;
|
||||
case 3: RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
|
||||
case 4: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x50); RAPIDJSON_TAIL(); return result;
|
||||
case 5: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x10); RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
|
||||
case 6: RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
|
||||
case 10: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x20); RAPIDJSON_TAIL(); return result;
|
||||
case 11: RAPIDJSON_COPY(); RAPIDJSON_TRANS(0x60); RAPIDJSON_TAIL(); RAPIDJSON_TAIL(); return result;
|
||||
default: return false;
|
||||
}
|
||||
#undef COPY
|
||||
#undef TRANS
|
||||
#undef TAIL
|
||||
#undef RAPIDJSON_COPY
|
||||
#undef RAPIDJSON_TRANS
|
||||
#undef RAPIDJSON_TAIL
|
||||
}
|
||||
|
||||
static unsigned char GetRange(unsigned char c) {
|
||||
|
@ -283,7 +283,7 @@ struct UTF16 {
|
|||
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
|
||||
unsigned v = codepoint - 0x10000;
|
||||
os.Put(static_cast<typename OutputStream::Ch>((v >> 10) | 0xD800));
|
||||
os.Put((v & 0x3FF) | 0xDC00);
|
||||
os.Put(static_cast<typename OutputStream::Ch>((v & 0x3FF) | 0xDC00));
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -299,7 +299,7 @@ struct UTF16 {
|
|||
RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
|
||||
unsigned v = codepoint - 0x10000;
|
||||
PutUnsafe(os, static_cast<typename OutputStream::Ch>((v >> 10) | 0xD800));
|
||||
PutUnsafe(os, (v & 0x3FF) | 0xDC00);
|
||||
PutUnsafe(os, static_cast<typename OutputStream::Ch>((v & 0x3FF) | 0xDC00));
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -384,7 +384,7 @@ struct UTF16BE : UTF16<CharType> {
|
|||
static CharType Take(InputByteStream& is) {
|
||||
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
|
||||
unsigned c = static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
|
||||
c |= static_cast<uint8_t>(is.Take());
|
||||
c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take()));
|
||||
return static_cast<CharType>(c);
|
||||
}
|
||||
|
||||
|
@ -620,28 +620,28 @@ struct AutoUTF {
|
|||
#define RAPIDJSON_ENCODINGS_FUNC(x) UTF8<Ch>::x, UTF16LE<Ch>::x, UTF16BE<Ch>::x, UTF32LE<Ch>::x, UTF32BE<Ch>::x
|
||||
|
||||
template<typename OutputStream>
|
||||
RAPIDJSON_FORCEINLINE static void Encode(OutputStream& os, unsigned codepoint) {
|
||||
static RAPIDJSON_FORCEINLINE void Encode(OutputStream& os, unsigned codepoint) {
|
||||
typedef void (*EncodeFunc)(OutputStream&, unsigned);
|
||||
static const EncodeFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(Encode) };
|
||||
(*f[os.GetType()])(os, codepoint);
|
||||
}
|
||||
|
||||
template<typename OutputStream>
|
||||
RAPIDJSON_FORCEINLINE static void EncodeUnsafe(OutputStream& os, unsigned codepoint) {
|
||||
static RAPIDJSON_FORCEINLINE void EncodeUnsafe(OutputStream& os, unsigned codepoint) {
|
||||
typedef void (*EncodeFunc)(OutputStream&, unsigned);
|
||||
static const EncodeFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(EncodeUnsafe) };
|
||||
(*f[os.GetType()])(os, codepoint);
|
||||
}
|
||||
|
||||
template <typename InputStream>
|
||||
RAPIDJSON_FORCEINLINE static bool Decode(InputStream& is, unsigned* codepoint) {
|
||||
static RAPIDJSON_FORCEINLINE bool Decode(InputStream& is, unsigned* codepoint) {
|
||||
typedef bool (*DecodeFunc)(InputStream&, unsigned*);
|
||||
static const DecodeFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(Decode) };
|
||||
return (*f[is.GetType()])(is, codepoint);
|
||||
}
|
||||
|
||||
template <typename InputStream, typename OutputStream>
|
||||
RAPIDJSON_FORCEINLINE static bool Validate(InputStream& is, OutputStream& os) {
|
||||
static RAPIDJSON_FORCEINLINE bool Validate(InputStream& is, OutputStream& os) {
|
||||
typedef bool (*ValidateFunc)(InputStream&, OutputStream&);
|
||||
static const ValidateFunc f[] = { RAPIDJSON_ENCODINGS_FUNC(Validate) };
|
||||
return (*f[is.GetType()])(is, os);
|
||||
|
@ -658,7 +658,7 @@ template<typename SourceEncoding, typename TargetEncoding>
|
|||
struct Transcoder {
|
||||
//! Take one Unicode codepoint from source encoding, convert it to target encoding and put it to the output stream.
|
||||
template<typename InputStream, typename OutputStream>
|
||||
RAPIDJSON_FORCEINLINE static bool Transcode(InputStream& is, OutputStream& os) {
|
||||
static RAPIDJSON_FORCEINLINE bool Transcode(InputStream& is, OutputStream& os) {
|
||||
unsigned codepoint;
|
||||
if (!SourceEncoding::Decode(is, &codepoint))
|
||||
return false;
|
||||
|
@ -667,7 +667,7 @@ struct Transcoder {
|
|||
}
|
||||
|
||||
template<typename InputStream, typename OutputStream>
|
||||
RAPIDJSON_FORCEINLINE static bool TranscodeUnsafe(InputStream& is, OutputStream& os) {
|
||||
static RAPIDJSON_FORCEINLINE bool TranscodeUnsafe(InputStream& is, OutputStream& os) {
|
||||
unsigned codepoint;
|
||||
if (!SourceEncoding::Decode(is, &codepoint))
|
||||
return false;
|
||||
|
@ -677,7 +677,7 @@ struct Transcoder {
|
|||
|
||||
//! Validate one Unicode codepoint from an encoded stream.
|
||||
template<typename InputStream, typename OutputStream>
|
||||
RAPIDJSON_FORCEINLINE static bool Validate(InputStream& is, OutputStream& os) {
|
||||
static RAPIDJSON_FORCEINLINE bool Validate(InputStream& is, OutputStream& os) {
|
||||
return Transcode(is, os); // Since source/target encoding is different, must transcode.
|
||||
}
|
||||
};
|
||||
|
@ -690,26 +690,26 @@ inline void PutUnsafe(Stream& stream, typename Stream::Ch c);
|
|||
template<typename Encoding>
|
||||
struct Transcoder<Encoding, Encoding> {
|
||||
template<typename InputStream, typename OutputStream>
|
||||
RAPIDJSON_FORCEINLINE static bool Transcode(InputStream& is, OutputStream& os) {
|
||||
static RAPIDJSON_FORCEINLINE bool Transcode(InputStream& is, OutputStream& os) {
|
||||
os.Put(is.Take()); // Just copy one code unit. This semantic is different from primary template class.
|
||||
return true;
|
||||
}
|
||||
|
||||
template<typename InputStream, typename OutputStream>
|
||||
RAPIDJSON_FORCEINLINE static bool TranscodeUnsafe(InputStream& is, OutputStream& os) {
|
||||
static RAPIDJSON_FORCEINLINE bool TranscodeUnsafe(InputStream& is, OutputStream& os) {
|
||||
PutUnsafe(os, is.Take()); // Just copy one code unit. This semantic is different from primary template class.
|
||||
return true;
|
||||
}
|
||||
|
||||
template<typename InputStream, typename OutputStream>
|
||||
RAPIDJSON_FORCEINLINE static bool Validate(InputStream& is, OutputStream& os) {
|
||||
static RAPIDJSON_FORCEINLINE bool Validate(InputStream& is, OutputStream& os) {
|
||||
return Encoding::Validate(is, os); // source/target encoding are the same
|
||||
}
|
||||
};
|
||||
|
||||
RAPIDJSON_NAMESPACE_END
|
||||
|
||||
#if defined(__GNUC__) || defined(_MSC_VER)
|
||||
#if defined(__GNUC__) || (defined(_MSC_VER) && !defined(__clang__))
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
|
|
|
@ -104,6 +104,8 @@ enum ParseErrorCode {
|
|||
\see GenericReader::Parse, GenericDocument::Parse
|
||||
*/
|
||||
struct ParseResult {
|
||||
//!! Unspecified boolean type
|
||||
typedef bool (ParseResult::*BooleanType)() const;
|
||||
public:
|
||||
//! Default constructor, no error.
|
||||
ParseResult() : code_(kParseErrorNone), offset_(0) {}
|
||||
|
@ -115,8 +117,8 @@ public:
|
|||
//! Get the error offset, if \ref IsError(), 0 otherwise.
|
||||
size_t Offset() const { return offset_; }
|
||||
|
||||
//! Conversion to \c bool, returns \c true, iff !\ref IsError().
|
||||
operator bool() const { return !IsError(); }
|
||||
//! Explicit conversion to \c bool, returns \c true, iff !\ref IsError().
|
||||
operator BooleanType() const { return !IsError() ? &ParseResult::IsError : NULL; }
|
||||
//! Whether the result is an error.
|
||||
bool IsError() const { return code_ != kParseErrorNone; }
|
||||
|
||||
|
@ -124,6 +126,10 @@ public:
|
|||
bool operator==(ParseErrorCode code) const { return code_ == code; }
|
||||
friend bool operator==(ParseErrorCode code, const ParseResult & err) { return code == err.code_; }
|
||||
|
||||
bool operator!=(const ParseResult& that) const { return !(*this == that); }
|
||||
bool operator!=(ParseErrorCode code) const { return !(*this == code); }
|
||||
friend bool operator!=(ParseErrorCode code, const ParseResult & err) { return err != code; }
|
||||
|
||||
//! Reset error code.
|
||||
void Clear() { Set(kParseErrorNone); }
|
||||
//! Update error code and offset.
|
||||
|
|
|
@ -59,7 +59,7 @@ public:
|
|||
|
||||
// For encoding detection only.
|
||||
const Ch* Peek4() const {
|
||||
return (current_ + 4 <= bufferLast_) ? current_ : 0;
|
||||
return (current_ + 4 - !eof_ <= bufferLast_) ? current_ : 0;
|
||||
}
|
||||
|
||||
private:
|
||||
|
@ -68,7 +68,7 @@ private:
|
|||
++current_;
|
||||
else if (!eof_) {
|
||||
count_ += readCount_;
|
||||
readCount_ = fread(buffer_, 1, bufferSize_, fp_);
|
||||
readCount_ = std::fread(buffer_, 1, bufferSize_, fp_);
|
||||
bufferLast_ = buffer_ + readCount_ - 1;
|
||||
current_ = buffer_;
|
||||
|
||||
|
|
|
@ -25,7 +25,7 @@ RAPIDJSON_DIAG_OFF(unreachable-code)
|
|||
|
||||
RAPIDJSON_NAMESPACE_BEGIN
|
||||
|
||||
//! Wrapper of C file stream for input using fread().
|
||||
//! Wrapper of C file stream for output using fwrite().
|
||||
/*!
|
||||
\note implements Stream concept
|
||||
*/
|
||||
|
@ -62,7 +62,7 @@ public:
|
|||
|
||||
void Flush() {
|
||||
if (current_ != buffer_) {
|
||||
size_t result = fwrite(buffer_, 1, static_cast<size_t>(current_ - buffer_), fp_);
|
||||
size_t result = std::fwrite(buffer_, 1, static_cast<size_t>(current_ - buffer_), fp_);
|
||||
if (result < static_cast<size_t>(current_ - buffer_)) {
|
||||
// failure deliberately ignored at this time
|
||||
// added to avoid warn_unused_result build errors
|
||||
|
|
|
@ -102,7 +102,7 @@ class PrettyWriter;
|
|||
// document.h
|
||||
|
||||
template <typename Encoding, typename Allocator>
|
||||
struct GenericMember;
|
||||
class GenericMember;
|
||||
|
||||
template <bool Const, typename Encoding, typename Allocator>
|
||||
class GenericMemberIterator;
|
||||
|
|
|
@ -17,7 +17,7 @@
|
|||
|
||||
#include "../rapidjson.h"
|
||||
|
||||
#if defined(_MSC_VER) && defined(_M_AMD64)
|
||||
#if defined(_MSC_VER) && !__INTEL_COMPILER && defined(_M_AMD64)
|
||||
#include <intrin.h> // for _umul128
|
||||
#pragma intrinsic(_umul128)
|
||||
#endif
|
||||
|
@ -133,7 +133,7 @@ public:
|
|||
RAPIDJSON_ASSERT(count_ + offset <= kCapacity);
|
||||
|
||||
if (interShift == 0) {
|
||||
std::memmove(&digits_[count_ - 1 + offset], &digits_[count_ - 1], count_ * sizeof(Type));
|
||||
std::memmove(digits_ + offset, digits_, count_ * sizeof(Type));
|
||||
count_ += offset;
|
||||
}
|
||||
else {
|
||||
|
|
|
@ -0,0 +1,72 @@
|
|||
// Tencent is pleased to support the open source community by making RapidJSON available.
|
||||
//
|
||||
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
|
||||
//
|
||||
// Licensed under the MIT License (the "License"); you may not use this file except
|
||||
// in compliance with the License. You may obtain a copy of the License at
|
||||
//
|
||||
// http://opensource.org/licenses/MIT
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software distributed
|
||||
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
||||
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
|
||||
// specific language governing permissions and limitations under the License.
|
||||
|
||||
#ifndef RAPIDJSON_CLZLL_H_
|
||||
#define RAPIDJSON_CLZLL_H_
|
||||
|
||||
#include "../rapidjson.h"
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
#include <intrin.h>
|
||||
#if defined(_WIN64)
|
||||
#pragma intrinsic(_BitScanReverse64)
|
||||
#else
|
||||
#pragma intrinsic(_BitScanReverse)
|
||||
#endif
|
||||
#endif
|
||||
|
||||
RAPIDJSON_NAMESPACE_BEGIN
|
||||
namespace internal {
|
||||
|
||||
#if (defined(__GNUC__) && __GNUC__ >= 4) || RAPIDJSON_HAS_BUILTIN(__builtin_clzll)
|
||||
#define RAPIDJSON_CLZLL __builtin_clzll
|
||||
#else
|
||||
|
||||
inline uint32_t clzll(uint64_t x) {
|
||||
// Passing 0 to __builtin_clzll is UB in GCC and results in an
|
||||
// infinite loop in the software implementation.
|
||||
RAPIDJSON_ASSERT(x != 0);
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
unsigned long r = 0;
|
||||
#if defined(_WIN64)
|
||||
_BitScanReverse64(&r, x);
|
||||
#else
|
||||
// Scan the high 32 bits.
|
||||
if (_BitScanReverse(&r, static_cast<uint32_t>(x >> 32)))
|
||||
return 63 - (r + 32);
|
||||
|
||||
// Scan the low 32 bits.
|
||||
_BitScanReverse(&r, static_cast<uint32_t>(x & 0xFFFFFFFF));
|
||||
#endif // _WIN64
|
||||
|
||||
return 63 - r;
|
||||
#else
|
||||
uint32_t r;
|
||||
while (!(x & (static_cast<uint64_t>(1) << 63))) {
|
||||
x <<= 1;
|
||||
++r;
|
||||
}
|
||||
|
||||
return r;
|
||||
#endif // _MSC_VER
|
||||
}
|
||||
|
||||
#define RAPIDJSON_CLZLL RAPIDJSON_NAMESPACE::internal::clzll
|
||||
#endif // (defined(__GNUC__) && __GNUC__ >= 4) || RAPIDJSON_HAS_BUILTIN(__builtin_clzll)
|
||||
|
||||
} // namespace internal
|
||||
RAPIDJSON_NAMESPACE_END
|
||||
|
||||
#endif // RAPIDJSON_CLZLL_H_
|
|
@ -20,10 +20,11 @@
|
|||
#define RAPIDJSON_DIYFP_H_
|
||||
|
||||
#include "../rapidjson.h"
|
||||
#include "clzll.h"
|
||||
#include <limits>
|
||||
|
||||
#if defined(_MSC_VER) && defined(_M_AMD64)
|
||||
#if defined(_MSC_VER) && defined(_M_AMD64) && !defined(__INTEL_COMPILER)
|
||||
#include <intrin.h>
|
||||
#pragma intrinsic(_BitScanReverse64)
|
||||
#pragma intrinsic(_umul128)
|
||||
#endif
|
||||
|
||||
|
@ -99,21 +100,8 @@ struct DiyFp {
|
|||
}
|
||||
|
||||
DiyFp Normalize() const {
|
||||
#if defined(_MSC_VER) && defined(_M_AMD64)
|
||||
unsigned long index;
|
||||
_BitScanReverse64(&index, f);
|
||||
return DiyFp(f << (63 - index), e - (63 - index));
|
||||
#elif defined(__GNUC__) && __GNUC__ >= 4
|
||||
int s = __builtin_clzll(f);
|
||||
int s = static_cast<int>(RAPIDJSON_CLZLL(f));
|
||||
return DiyFp(f << s, e - s);
|
||||
#else
|
||||
DiyFp res = *this;
|
||||
while (!(res.f & (static_cast<uint64_t>(1) << 63))) {
|
||||
res.f <<= 1;
|
||||
res.e--;
|
||||
}
|
||||
return res;
|
||||
#endif
|
||||
}
|
||||
|
||||
DiyFp NormalizeBoundary() const {
|
||||
|
@ -141,6 +129,15 @@ struct DiyFp {
|
|||
double d;
|
||||
uint64_t u64;
|
||||
}u;
|
||||
RAPIDJSON_ASSERT(f <= kDpHiddenBit + kDpSignificandMask);
|
||||
if (e < kDpDenormalExponent) {
|
||||
// Underflow.
|
||||
return 0.0;
|
||||
}
|
||||
if (e >= kDpMaxExponent) {
|
||||
// Overflow.
|
||||
return std::numeric_limits<double>::infinity();
|
||||
}
|
||||
const uint64_t be = (e == kDpDenormalExponent && (f & kDpHiddenBit) == 0) ? 0 :
|
||||
static_cast<uint64_t>(e + kDpExponentBias);
|
||||
u.u64 = (f & kDpSignificandMask) | (be << kDpSignificandSize);
|
||||
|
@ -220,6 +217,7 @@ inline DiyFp GetCachedPowerByIndex(size_t index) {
|
|||
641, 667, 694, 720, 747, 774, 800, 827, 853, 880,
|
||||
907, 933, 960, 986, 1013, 1039, 1066
|
||||
};
|
||||
RAPIDJSON_ASSERT(index < 87);
|
||||
return DiyFp(kCachedPowers_F[index], kCachedPowers_E[index]);
|
||||
}
|
||||
|
||||
|
@ -238,7 +236,8 @@ inline DiyFp GetCachedPower(int e, int* K) {
|
|||
}
|
||||
|
||||
inline DiyFp GetCachedPower10(int exp, int *outExp) {
|
||||
unsigned index = (static_cast<unsigned>(exp) + 348u) / 8u;
|
||||
RAPIDJSON_ASSERT(exp >= -348);
|
||||
unsigned index = static_cast<unsigned>(exp + 348) / 8u;
|
||||
*outExp = -348 + static_cast<int>(index) * 8;
|
||||
return GetCachedPowerByIndex(index);
|
||||
}
|
||||
|
|
|
@ -41,7 +41,7 @@ inline void GrisuRound(char* buffer, int len, uint64_t delta, uint64_t rest, uin
|
|||
}
|
||||
}
|
||||
|
||||
inline unsigned CountDecimalDigit32(uint32_t n) {
|
||||
inline int CountDecimalDigit32(uint32_t n) {
|
||||
// Simple pure C++ implementation was faster than __builtin_clz version in this situation.
|
||||
if (n < 10) return 1;
|
||||
if (n < 100) return 2;
|
||||
|
@ -63,7 +63,7 @@ inline void DigitGen(const DiyFp& W, const DiyFp& Mp, uint64_t delta, char* buff
|
|||
const DiyFp wp_w = Mp - W;
|
||||
uint32_t p1 = static_cast<uint32_t>(Mp.f >> -one.e);
|
||||
uint64_t p2 = Mp.f & (one.f - 1);
|
||||
unsigned kappa = CountDecimalDigit32(p1); // kappa in [0, 9]
|
||||
int kappa = CountDecimalDigit32(p1); // kappa in [0, 9]
|
||||
*len = 0;
|
||||
|
||||
while (kappa > 0) {
|
||||
|
@ -102,8 +102,8 @@ inline void DigitGen(const DiyFp& W, const DiyFp& Mp, uint64_t delta, char* buff
|
|||
kappa--;
|
||||
if (p2 < delta) {
|
||||
*K += kappa;
|
||||
int index = -static_cast<int>(kappa);
|
||||
GrisuRound(buffer, *len, delta, p2, one.f, wp_w.f * (index < 9 ? kPow10[-static_cast<int>(kappa)] : 0));
|
||||
int index = -kappa;
|
||||
GrisuRound(buffer, *len, delta, p2, one.f, wp_w.f * (index < 9 ? kPow10[index] : 0));
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
|
|
@ -48,13 +48,13 @@ public:
|
|||
int IntegerExponent() const { return (IsNormal() ? Exponent() : kDenormalExponent) - kSignificandSize; }
|
||||
uint64_t ToBias() const { return (u_ & kSignMask) ? ~u_ + 1 : u_ | kSignMask; }
|
||||
|
||||
static unsigned EffectiveSignificandSize(int order) {
|
||||
static int EffectiveSignificandSize(int order) {
|
||||
if (order >= -1021)
|
||||
return 53;
|
||||
else if (order <= -1074)
|
||||
return 0;
|
||||
else
|
||||
return static_cast<unsigned>(order) + 1074;
|
||||
return order + 1074;
|
||||
}
|
||||
|
||||
private:
|
||||
|
|
|
@ -37,6 +37,8 @@ inline const char* GetDigitsLut() {
|
|||
}
|
||||
|
||||
inline char* u32toa(uint32_t value, char* buffer) {
|
||||
RAPIDJSON_ASSERT(buffer != 0);
|
||||
|
||||
const char* cDigitsLut = GetDigitsLut();
|
||||
|
||||
if (value < 10000) {
|
||||
|
@ -111,6 +113,7 @@ inline char* u32toa(uint32_t value, char* buffer) {
|
|||
}
|
||||
|
||||
inline char* i32toa(int32_t value, char* buffer) {
|
||||
RAPIDJSON_ASSERT(buffer != 0);
|
||||
uint32_t u = static_cast<uint32_t>(value);
|
||||
if (value < 0) {
|
||||
*buffer++ = '-';
|
||||
|
@ -121,6 +124,7 @@ inline char* i32toa(int32_t value, char* buffer) {
|
|||
}
|
||||
|
||||
inline char* u64toa(uint64_t value, char* buffer) {
|
||||
RAPIDJSON_ASSERT(buffer != 0);
|
||||
const char* cDigitsLut = GetDigitsLut();
|
||||
const uint64_t kTen8 = 100000000;
|
||||
const uint64_t kTen9 = kTen8 * 10;
|
||||
|
@ -207,9 +211,8 @@ inline char* u64toa(uint64_t value, char* buffer) {
|
|||
*buffer++ = cDigitsLut[d3 + 1];
|
||||
if (value >= kTen9)
|
||||
*buffer++ = cDigitsLut[d4];
|
||||
if (value >= kTen8)
|
||||
*buffer++ = cDigitsLut[d4 + 1];
|
||||
|
||||
*buffer++ = cDigitsLut[d4 + 1];
|
||||
*buffer++ = cDigitsLut[d5];
|
||||
*buffer++ = cDigitsLut[d5 + 1];
|
||||
*buffer++ = cDigitsLut[d6];
|
||||
|
@ -289,6 +292,7 @@ inline char* u64toa(uint64_t value, char* buffer) {
|
|||
}
|
||||
|
||||
inline char* i64toa(int64_t value, char* buffer) {
|
||||
RAPIDJSON_ASSERT(buffer != 0);
|
||||
uint64_t u = static_cast<uint64_t>(value);
|
||||
if (value < 0) {
|
||||
*buffer++ = '-';
|
||||
|
|
|
@ -21,7 +21,8 @@
|
|||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(effc++)
|
||||
#endif
|
||||
#if defined(_MSC_VER)
|
||||
|
||||
#if defined(_MSC_VER) && !defined(__clang__)
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(6334)
|
||||
#endif
|
||||
|
@ -174,7 +175,11 @@ template <typename T> struct RemoveSfinaeTag<SfinaeTag&(*)(T)> { typedef T Type;
|
|||
RAPIDJSON_NAMESPACE_END
|
||||
//@endcond
|
||||
|
||||
#if defined(__GNUC__) || defined(_MSC_VER)
|
||||
#if defined(_MSC_VER) && !defined(__clang__)
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
#ifdef __GNUC__
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
|
|
|
@ -23,7 +23,9 @@
|
|||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(padded)
|
||||
RAPIDJSON_DIAG_OFF(switch-enum)
|
||||
RAPIDJSON_DIAG_OFF(implicit-fallthrough)
|
||||
#elif defined(_MSC_VER)
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
|
||||
#endif
|
||||
|
||||
#ifdef __GNUC__
|
||||
|
@ -31,11 +33,6 @@ RAPIDJSON_DIAG_PUSH
|
|||
RAPIDJSON_DIAG_OFF(effc++)
|
||||
#endif
|
||||
|
||||
#ifdef _MSC_VER
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
|
||||
#endif
|
||||
|
||||
#ifndef RAPIDJSON_REGEX_VERBOSE
|
||||
#define RAPIDJSON_REGEX_VERBOSE 0
|
||||
#endif
|
||||
|
@ -43,12 +40,40 @@ RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
|
|||
RAPIDJSON_NAMESPACE_BEGIN
|
||||
namespace internal {
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// DecodedStream
|
||||
|
||||
template <typename SourceStream, typename Encoding>
|
||||
class DecodedStream {
|
||||
public:
|
||||
DecodedStream(SourceStream& ss) : ss_(ss), codepoint_() { Decode(); }
|
||||
unsigned Peek() { return codepoint_; }
|
||||
unsigned Take() {
|
||||
unsigned c = codepoint_;
|
||||
if (c) // No further decoding when '\0'
|
||||
Decode();
|
||||
return c;
|
||||
}
|
||||
|
||||
private:
|
||||
void Decode() {
|
||||
if (!Encoding::Decode(ss_, &codepoint_))
|
||||
codepoint_ = 0;
|
||||
}
|
||||
|
||||
SourceStream& ss_;
|
||||
unsigned codepoint_;
|
||||
};
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// GenericRegex
|
||||
|
||||
static const SizeType kRegexInvalidState = ~SizeType(0); //!< Represents an invalid index in GenericRegex::State::out, out1
|
||||
static const SizeType kRegexInvalidRange = ~SizeType(0);
|
||||
|
||||
template <typename Encoding, typename Allocator>
|
||||
class GenericRegexSearch;
|
||||
|
||||
//! Regular expression engine with subset of ECMAscript grammar.
|
||||
/*!
|
||||
Supported regular expression syntax:
|
||||
|
@ -84,45 +109,29 @@ static const SizeType kRegexInvalidRange = ~SizeType(0);
|
|||
template <typename Encoding, typename Allocator = CrtAllocator>
|
||||
class GenericRegex {
|
||||
public:
|
||||
typedef Encoding EncodingType;
|
||||
typedef typename Encoding::Ch Ch;
|
||||
template <typename, typename> friend class GenericRegexSearch;
|
||||
|
||||
GenericRegex(const Ch* source, Allocator* allocator = 0) :
|
||||
states_(allocator, 256), ranges_(allocator, 256), root_(kRegexInvalidState), stateCount_(), rangeCount_(),
|
||||
stateSet_(), state0_(allocator, 0), state1_(allocator, 0), anchorBegin_(), anchorEnd_()
|
||||
ownAllocator_(allocator ? 0 : RAPIDJSON_NEW(Allocator)()), allocator_(allocator ? allocator : ownAllocator_),
|
||||
states_(allocator_, 256), ranges_(allocator_, 256), root_(kRegexInvalidState), stateCount_(), rangeCount_(),
|
||||
anchorBegin_(), anchorEnd_()
|
||||
{
|
||||
GenericStringStream<Encoding> ss(source);
|
||||
DecodedStream<GenericStringStream<Encoding> > ds(ss);
|
||||
DecodedStream<GenericStringStream<Encoding>, Encoding> ds(ss);
|
||||
Parse(ds);
|
||||
}
|
||||
|
||||
~GenericRegex() {
|
||||
Allocator::Free(stateSet_);
|
||||
~GenericRegex()
|
||||
{
|
||||
RAPIDJSON_DELETE(ownAllocator_);
|
||||
}
|
||||
|
||||
bool IsValid() const {
|
||||
return root_ != kRegexInvalidState;
|
||||
}
|
||||
|
||||
template <typename InputStream>
|
||||
bool Match(InputStream& is) const {
|
||||
return SearchWithAnchoring(is, true, true);
|
||||
}
|
||||
|
||||
bool Match(const Ch* s) const {
|
||||
GenericStringStream<Encoding> is(s);
|
||||
return Match(is);
|
||||
}
|
||||
|
||||
template <typename InputStream>
|
||||
bool Search(InputStream& is) const {
|
||||
return SearchWithAnchoring(is, anchorBegin_, anchorEnd_);
|
||||
}
|
||||
|
||||
bool Search(const Ch* s) const {
|
||||
GenericStringStream<Encoding> is(s);
|
||||
return Search(is);
|
||||
}
|
||||
|
||||
private:
|
||||
enum Operator {
|
||||
kZeroOrOne,
|
||||
|
@ -157,28 +166,6 @@ private:
|
|||
SizeType minIndex;
|
||||
};
|
||||
|
||||
template <typename SourceStream>
|
||||
class DecodedStream {
|
||||
public:
|
||||
DecodedStream(SourceStream& ss) : ss_(ss), codepoint_() { Decode(); }
|
||||
unsigned Peek() { return codepoint_; }
|
||||
unsigned Take() {
|
||||
unsigned c = codepoint_;
|
||||
if (c) // No further decoding when '\0'
|
||||
Decode();
|
||||
return c;
|
||||
}
|
||||
|
||||
private:
|
||||
void Decode() {
|
||||
if (!Encoding::Decode(ss_, &codepoint_))
|
||||
codepoint_ = 0;
|
||||
}
|
||||
|
||||
SourceStream& ss_;
|
||||
unsigned codepoint_;
|
||||
};
|
||||
|
||||
State& GetState(SizeType index) {
|
||||
RAPIDJSON_ASSERT(index < stateCount_);
|
||||
return states_.template Bottom<State>()[index];
|
||||
|
@ -200,11 +187,10 @@ private:
|
|||
}
|
||||
|
||||
template <typename InputStream>
|
||||
void Parse(DecodedStream<InputStream>& ds) {
|
||||
Allocator allocator;
|
||||
Stack<Allocator> operandStack(&allocator, 256); // Frag
|
||||
Stack<Allocator> operatorStack(&allocator, 256); // Operator
|
||||
Stack<Allocator> atomCountStack(&allocator, 256); // unsigned (Atom per parenthesis)
|
||||
void Parse(DecodedStream<InputStream, Encoding>& ds) {
|
||||
Stack<Allocator> operandStack(allocator_, 256); // Frag
|
||||
Stack<Allocator> operatorStack(allocator_, 256); // Operator
|
||||
Stack<Allocator> atomCountStack(allocator_, 256); // unsigned (Atom per parenthesis)
|
||||
|
||||
*atomCountStack.template Push<unsigned>() = 0;
|
||||
|
||||
|
@ -301,6 +287,7 @@ private:
|
|||
if (!CharacterEscape(ds, &codepoint))
|
||||
return; // Unsupported escape character
|
||||
// fall through to default
|
||||
RAPIDJSON_DELIBERATE_FALLTHROUGH;
|
||||
|
||||
default: // Pattern character
|
||||
PushOperand(operandStack, codepoint);
|
||||
|
@ -327,14 +314,6 @@ private:
|
|||
printf("\n");
|
||||
#endif
|
||||
}
|
||||
|
||||
// Preallocate buffer for SearchWithAnchoring()
|
||||
RAPIDJSON_ASSERT(stateSet_ == 0);
|
||||
if (stateCount_ > 0) {
|
||||
stateSet_ = static_cast<unsigned*>(states_.GetAllocator().Malloc(GetStateSetSize()));
|
||||
state0_.template Reserve<SizeType>(stateCount_);
|
||||
state1_.template Reserve<SizeType>(stateCount_);
|
||||
}
|
||||
}
|
||||
|
||||
SizeType NewState(SizeType out, SizeType out1, unsigned codepoint) {
|
||||
|
@ -413,8 +392,7 @@ private:
|
|||
}
|
||||
return false;
|
||||
|
||||
default:
|
||||
RAPIDJSON_ASSERT(op == kOneOrMore);
|
||||
case kOneOrMore:
|
||||
if (operandStack.GetSize() >= sizeof(Frag)) {
|
||||
Frag e = *operandStack.template Pop<Frag>(1);
|
||||
SizeType s = NewState(kRegexInvalidState, e.start, 0);
|
||||
|
@ -423,6 +401,10 @@ private:
|
|||
return true;
|
||||
}
|
||||
return false;
|
||||
|
||||
default:
|
||||
// syntax error (e.g. unclosed kLeftParenthesis)
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -483,7 +465,7 @@ private:
|
|||
}
|
||||
|
||||
template <typename InputStream>
|
||||
bool ParseUnsigned(DecodedStream<InputStream>& ds, unsigned* u) {
|
||||
bool ParseUnsigned(DecodedStream<InputStream, Encoding>& ds, unsigned* u) {
|
||||
unsigned r = 0;
|
||||
if (ds.Peek() < '0' || ds.Peek() > '9')
|
||||
return false;
|
||||
|
@ -497,7 +479,7 @@ private:
|
|||
}
|
||||
|
||||
template <typename InputStream>
|
||||
bool ParseRange(DecodedStream<InputStream>& ds, SizeType* range) {
|
||||
bool ParseRange(DecodedStream<InputStream, Encoding>& ds, SizeType* range) {
|
||||
bool isBegin = true;
|
||||
bool negate = false;
|
||||
int step = 0;
|
||||
|
@ -535,6 +517,7 @@ private:
|
|||
else if (!CharacterEscape(ds, &codepoint))
|
||||
return false;
|
||||
// fall through to default
|
||||
RAPIDJSON_DELIBERATE_FALLTHROUGH;
|
||||
|
||||
default:
|
||||
switch (step) {
|
||||
|
@ -544,6 +527,7 @@ private:
|
|||
break;
|
||||
}
|
||||
// fall through to step 0 for other characters
|
||||
RAPIDJSON_DELIBERATE_FALLTHROUGH;
|
||||
|
||||
case 0:
|
||||
{
|
||||
|
@ -575,7 +559,7 @@ private:
|
|||
}
|
||||
|
||||
template <typename InputStream>
|
||||
bool CharacterEscape(DecodedStream<InputStream>& ds, unsigned* escapedCodepoint) {
|
||||
bool CharacterEscape(DecodedStream<InputStream, Encoding>& ds, unsigned* escapedCodepoint) {
|
||||
unsigned codepoint;
|
||||
switch (codepoint = ds.Take()) {
|
||||
case '^':
|
||||
|
@ -603,72 +587,8 @@ private:
|
|||
}
|
||||
}
|
||||
|
||||
template <typename InputStream>
|
||||
bool SearchWithAnchoring(InputStream& is, bool anchorBegin, bool anchorEnd) const {
|
||||
RAPIDJSON_ASSERT(IsValid());
|
||||
DecodedStream<InputStream> ds(is);
|
||||
|
||||
state0_.Clear();
|
||||
Stack<Allocator> *current = &state0_, *next = &state1_;
|
||||
const size_t stateSetSize = GetStateSetSize();
|
||||
std::memset(stateSet_, 0, stateSetSize);
|
||||
|
||||
bool matched = AddState(*current, root_);
|
||||
unsigned codepoint;
|
||||
while (!current->Empty() && (codepoint = ds.Take()) != 0) {
|
||||
std::memset(stateSet_, 0, stateSetSize);
|
||||
next->Clear();
|
||||
matched = false;
|
||||
for (const SizeType* s = current->template Bottom<SizeType>(); s != current->template End<SizeType>(); ++s) {
|
||||
const State& sr = GetState(*s);
|
||||
if (sr.codepoint == codepoint ||
|
||||
sr.codepoint == kAnyCharacterClass ||
|
||||
(sr.codepoint == kRangeCharacterClass && MatchRange(sr.rangeStart, codepoint)))
|
||||
{
|
||||
matched = AddState(*next, sr.out) || matched;
|
||||
if (!anchorEnd && matched)
|
||||
return true;
|
||||
}
|
||||
if (!anchorBegin)
|
||||
AddState(*next, root_);
|
||||
}
|
||||
internal::Swap(current, next);
|
||||
}
|
||||
|
||||
return matched;
|
||||
}
|
||||
|
||||
size_t GetStateSetSize() const {
|
||||
return (stateCount_ + 31) / 32 * 4;
|
||||
}
|
||||
|
||||
// Return whether the added states is a match state
|
||||
bool AddState(Stack<Allocator>& l, SizeType index) const {
|
||||
RAPIDJSON_ASSERT(index != kRegexInvalidState);
|
||||
|
||||
const State& s = GetState(index);
|
||||
if (s.out1 != kRegexInvalidState) { // Split
|
||||
bool matched = AddState(l, s.out);
|
||||
return AddState(l, s.out1) || matched;
|
||||
}
|
||||
else if (!(stateSet_[index >> 5] & (1 << (index & 31)))) {
|
||||
stateSet_[index >> 5] |= (1 << (index & 31));
|
||||
*l.template PushUnsafe<SizeType>() = index;
|
||||
}
|
||||
return s.out == kRegexInvalidState; // by using PushUnsafe() above, we can ensure s is not validated due to reallocation.
|
||||
}
|
||||
|
||||
bool MatchRange(SizeType rangeIndex, unsigned codepoint) const {
|
||||
bool yes = (GetRange(rangeIndex).start & kRangeNegationFlag) == 0;
|
||||
while (rangeIndex != kRegexInvalidRange) {
|
||||
const Range& r = GetRange(rangeIndex);
|
||||
if (codepoint >= (r.start & ~kRangeNegationFlag) && codepoint <= r.end)
|
||||
return yes;
|
||||
rangeIndex = r.next;
|
||||
}
|
||||
return !yes;
|
||||
}
|
||||
|
||||
Allocator* ownAllocator_;
|
||||
Allocator* allocator_;
|
||||
Stack<Allocator> states_;
|
||||
Stack<Allocator> ranges_;
|
||||
SizeType root_;
|
||||
|
@ -678,23 +598,141 @@ private:
|
|||
static const unsigned kInfinityQuantifier = ~0u;
|
||||
|
||||
// For SearchWithAnchoring()
|
||||
uint32_t* stateSet_; // allocated by states_.GetAllocator()
|
||||
mutable Stack<Allocator> state0_;
|
||||
mutable Stack<Allocator> state1_;
|
||||
bool anchorBegin_;
|
||||
bool anchorEnd_;
|
||||
};
|
||||
|
||||
template <typename RegexType, typename Allocator = CrtAllocator>
|
||||
class GenericRegexSearch {
|
||||
public:
|
||||
typedef typename RegexType::EncodingType Encoding;
|
||||
typedef typename Encoding::Ch Ch;
|
||||
|
||||
GenericRegexSearch(const RegexType& regex, Allocator* allocator = 0) :
|
||||
regex_(regex), allocator_(allocator), ownAllocator_(0),
|
||||
state0_(allocator, 0), state1_(allocator, 0), stateSet_()
|
||||
{
|
||||
RAPIDJSON_ASSERT(regex_.IsValid());
|
||||
if (!allocator_)
|
||||
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
|
||||
stateSet_ = static_cast<unsigned*>(allocator_->Malloc(GetStateSetSize()));
|
||||
state0_.template Reserve<SizeType>(regex_.stateCount_);
|
||||
state1_.template Reserve<SizeType>(regex_.stateCount_);
|
||||
}
|
||||
|
||||
~GenericRegexSearch() {
|
||||
Allocator::Free(stateSet_);
|
||||
RAPIDJSON_DELETE(ownAllocator_);
|
||||
}
|
||||
|
||||
template <typename InputStream>
|
||||
bool Match(InputStream& is) {
|
||||
return SearchWithAnchoring(is, true, true);
|
||||
}
|
||||
|
||||
bool Match(const Ch* s) {
|
||||
GenericStringStream<Encoding> is(s);
|
||||
return Match(is);
|
||||
}
|
||||
|
||||
template <typename InputStream>
|
||||
bool Search(InputStream& is) {
|
||||
return SearchWithAnchoring(is, regex_.anchorBegin_, regex_.anchorEnd_);
|
||||
}
|
||||
|
||||
bool Search(const Ch* s) {
|
||||
GenericStringStream<Encoding> is(s);
|
||||
return Search(is);
|
||||
}
|
||||
|
||||
private:
|
||||
typedef typename RegexType::State State;
|
||||
typedef typename RegexType::Range Range;
|
||||
|
||||
template <typename InputStream>
|
||||
bool SearchWithAnchoring(InputStream& is, bool anchorBegin, bool anchorEnd) {
|
||||
DecodedStream<InputStream, Encoding> ds(is);
|
||||
|
||||
state0_.Clear();
|
||||
Stack<Allocator> *current = &state0_, *next = &state1_;
|
||||
const size_t stateSetSize = GetStateSetSize();
|
||||
std::memset(stateSet_, 0, stateSetSize);
|
||||
|
||||
bool matched = AddState(*current, regex_.root_);
|
||||
unsigned codepoint;
|
||||
while (!current->Empty() && (codepoint = ds.Take()) != 0) {
|
||||
std::memset(stateSet_, 0, stateSetSize);
|
||||
next->Clear();
|
||||
matched = false;
|
||||
for (const SizeType* s = current->template Bottom<SizeType>(); s != current->template End<SizeType>(); ++s) {
|
||||
const State& sr = regex_.GetState(*s);
|
||||
if (sr.codepoint == codepoint ||
|
||||
sr.codepoint == RegexType::kAnyCharacterClass ||
|
||||
(sr.codepoint == RegexType::kRangeCharacterClass && MatchRange(sr.rangeStart, codepoint)))
|
||||
{
|
||||
matched = AddState(*next, sr.out) || matched;
|
||||
if (!anchorEnd && matched)
|
||||
return true;
|
||||
}
|
||||
if (!anchorBegin)
|
||||
AddState(*next, regex_.root_);
|
||||
}
|
||||
internal::Swap(current, next);
|
||||
}
|
||||
|
||||
return matched;
|
||||
}
|
||||
|
||||
size_t GetStateSetSize() const {
|
||||
return (regex_.stateCount_ + 31) / 32 * 4;
|
||||
}
|
||||
|
||||
// Return whether the added states is a match state
|
||||
bool AddState(Stack<Allocator>& l, SizeType index) {
|
||||
RAPIDJSON_ASSERT(index != kRegexInvalidState);
|
||||
|
||||
const State& s = regex_.GetState(index);
|
||||
if (s.out1 != kRegexInvalidState) { // Split
|
||||
bool matched = AddState(l, s.out);
|
||||
return AddState(l, s.out1) || matched;
|
||||
}
|
||||
else if (!(stateSet_[index >> 5] & (1u << (index & 31)))) {
|
||||
stateSet_[index >> 5] |= (1u << (index & 31));
|
||||
*l.template PushUnsafe<SizeType>() = index;
|
||||
}
|
||||
return s.out == kRegexInvalidState; // by using PushUnsafe() above, we can ensure s is not validated due to reallocation.
|
||||
}
|
||||
|
||||
bool MatchRange(SizeType rangeIndex, unsigned codepoint) const {
|
||||
bool yes = (regex_.GetRange(rangeIndex).start & RegexType::kRangeNegationFlag) == 0;
|
||||
while (rangeIndex != kRegexInvalidRange) {
|
||||
const Range& r = regex_.GetRange(rangeIndex);
|
||||
if (codepoint >= (r.start & ~RegexType::kRangeNegationFlag) && codepoint <= r.end)
|
||||
return yes;
|
||||
rangeIndex = r.next;
|
||||
}
|
||||
return !yes;
|
||||
}
|
||||
|
||||
const RegexType& regex_;
|
||||
Allocator* allocator_;
|
||||
Allocator* ownAllocator_;
|
||||
Stack<Allocator> state0_;
|
||||
Stack<Allocator> state1_;
|
||||
uint32_t* stateSet_;
|
||||
};
|
||||
|
||||
typedef GenericRegex<UTF8<> > Regex;
|
||||
typedef GenericRegexSearch<Regex> RegexSearch;
|
||||
|
||||
} // namespace internal
|
||||
RAPIDJSON_NAMESPACE_END
|
||||
|
||||
#ifdef __clang__
|
||||
#ifdef __GNUC__
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#if defined(__clang__) || defined(_MSC_VER)
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
|
|
|
@ -17,6 +17,7 @@
|
|||
|
||||
#include "../allocators.h"
|
||||
#include "swap.h"
|
||||
#include <cstddef>
|
||||
|
||||
#if defined(__clang__)
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
|
@ -100,7 +101,7 @@ public:
|
|||
void ShrinkToFit() {
|
||||
if (Empty()) {
|
||||
// If the stack is empty, completely deallocate the memory.
|
||||
Allocator::Free(stack_);
|
||||
Allocator::Free(stack_); // NOLINT (+clang-analyzer-unix.Malloc)
|
||||
stack_ = 0;
|
||||
stackTop_ = 0;
|
||||
stackEnd_ = 0;
|
||||
|
@ -114,7 +115,7 @@ public:
|
|||
template<typename T>
|
||||
RAPIDJSON_FORCEINLINE void Reserve(size_t count = 1) {
|
||||
// Expand the stack if needed
|
||||
if (RAPIDJSON_UNLIKELY(stackTop_ + sizeof(T) * count > stackEnd_))
|
||||
if (RAPIDJSON_UNLIKELY(static_cast<std::ptrdiff_t>(sizeof(T) * count) > (stackEnd_ - stackTop_)))
|
||||
Expand<T>(count);
|
||||
}
|
||||
|
||||
|
@ -126,7 +127,8 @@ public:
|
|||
|
||||
template<typename T>
|
||||
RAPIDJSON_FORCEINLINE T* PushUnsafe(size_t count = 1) {
|
||||
RAPIDJSON_ASSERT(stackTop_ + sizeof(T) * count <= stackEnd_);
|
||||
RAPIDJSON_ASSERT(stackTop_);
|
||||
RAPIDJSON_ASSERT(static_cast<std::ptrdiff_t>(sizeof(T) * count) <= (stackEnd_ - stackTop_));
|
||||
T* ret = reinterpret_cast<T*>(stackTop_);
|
||||
stackTop_ += sizeof(T) * count;
|
||||
return ret;
|
||||
|
@ -183,7 +185,7 @@ private:
|
|||
size_t newCapacity;
|
||||
if (stack_ == 0) {
|
||||
if (!allocator_)
|
||||
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator());
|
||||
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
|
||||
newCapacity = initialCapacity_;
|
||||
} else {
|
||||
newCapacity = GetCapacity();
|
||||
|
|
|
@ -16,6 +16,7 @@
|
|||
#define RAPIDJSON_INTERNAL_STRFUNC_H_
|
||||
|
||||
#include "../stream.h"
|
||||
#include <cwchar>
|
||||
|
||||
RAPIDJSON_NAMESPACE_BEGIN
|
||||
namespace internal {
|
||||
|
@ -28,14 +29,27 @@ namespace internal {
|
|||
*/
|
||||
template <typename Ch>
|
||||
inline SizeType StrLen(const Ch* s) {
|
||||
RAPIDJSON_ASSERT(s != 0);
|
||||
const Ch* p = s;
|
||||
while (*p) ++p;
|
||||
return SizeType(p - s);
|
||||
}
|
||||
|
||||
template <>
|
||||
inline SizeType StrLen(const char* s) {
|
||||
return SizeType(std::strlen(s));
|
||||
}
|
||||
|
||||
template <>
|
||||
inline SizeType StrLen(const wchar_t* s) {
|
||||
return SizeType(std::wcslen(s));
|
||||
}
|
||||
|
||||
//! Returns number of code points in a encoded string.
|
||||
template<typename Encoding>
|
||||
bool CountStringCodePoint(const typename Encoding::Ch* s, SizeType length, SizeType* outCount) {
|
||||
RAPIDJSON_ASSERT(s != 0);
|
||||
RAPIDJSON_ASSERT(outCount != 0);
|
||||
GenericStringStream<Encoding> is(s);
|
||||
const typename Encoding::Ch* end = s + length;
|
||||
SizeType count = 0;
|
||||
|
|
|
@ -19,6 +19,8 @@
|
|||
#include "biginteger.h"
|
||||
#include "diyfp.h"
|
||||
#include "pow10.h"
|
||||
#include <climits>
|
||||
#include <limits>
|
||||
|
||||
RAPIDJSON_NAMESPACE_BEGIN
|
||||
namespace internal {
|
||||
|
@ -126,46 +128,46 @@ inline bool StrtodFast(double d, int p, double* result) {
|
|||
}
|
||||
|
||||
// Compute an approximation and see if it is within 1/2 ULP
|
||||
inline bool StrtodDiyFp(const char* decimals, size_t length, size_t decimalPosition, int exp, double* result) {
|
||||
inline bool StrtodDiyFp(const char* decimals, int dLen, int dExp, double* result) {
|
||||
uint64_t significand = 0;
|
||||
size_t i = 0; // 2^64 - 1 = 18446744073709551615, 1844674407370955161 = 0x1999999999999999
|
||||
for (; i < length; i++) {
|
||||
int i = 0; // 2^64 - 1 = 18446744073709551615, 1844674407370955161 = 0x1999999999999999
|
||||
for (; i < dLen; i++) {
|
||||
if (significand > RAPIDJSON_UINT64_C2(0x19999999, 0x99999999) ||
|
||||
(significand == RAPIDJSON_UINT64_C2(0x19999999, 0x99999999) && decimals[i] > '5'))
|
||||
break;
|
||||
significand = significand * 10u + static_cast<unsigned>(decimals[i] - '0');
|
||||
}
|
||||
|
||||
if (i < length && decimals[i] >= '5') // Rounding
|
||||
if (i < dLen && decimals[i] >= '5') // Rounding
|
||||
significand++;
|
||||
|
||||
size_t remaining = length - i;
|
||||
const unsigned kUlpShift = 3;
|
||||
const unsigned kUlp = 1 << kUlpShift;
|
||||
int remaining = dLen - i;
|
||||
const int kUlpShift = 3;
|
||||
const int kUlp = 1 << kUlpShift;
|
||||
int64_t error = (remaining == 0) ? 0 : kUlp / 2;
|
||||
|
||||
DiyFp v(significand, 0);
|
||||
v = v.Normalize();
|
||||
error <<= -v.e;
|
||||
|
||||
const int dExp = static_cast<int>(decimalPosition) - static_cast<int>(i) + exp;
|
||||
dExp += remaining;
|
||||
|
||||
int actualExp;
|
||||
DiyFp cachedPower = GetCachedPower10(dExp, &actualExp);
|
||||
if (actualExp != dExp) {
|
||||
static const DiyFp kPow10[] = {
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0xa0000000, 00000000), -60), // 10^1
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0xc8000000, 00000000), -57), // 10^2
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0xfa000000, 00000000), -54), // 10^3
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0x9c400000, 00000000), -50), // 10^4
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0xc3500000, 00000000), -47), // 10^5
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0xf4240000, 00000000), -44), // 10^6
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0x98968000, 00000000), -40) // 10^7
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0xa0000000, 0x00000000), -60), // 10^1
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0xc8000000, 0x00000000), -57), // 10^2
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0xfa000000, 0x00000000), -54), // 10^3
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0x9c400000, 0x00000000), -50), // 10^4
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0xc3500000, 0x00000000), -47), // 10^5
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0xf4240000, 0x00000000), -44), // 10^6
|
||||
DiyFp(RAPIDJSON_UINT64_C2(0x98968000, 0x00000000), -40) // 10^7
|
||||
};
|
||||
int adjustment = dExp - actualExp - 1;
|
||||
RAPIDJSON_ASSERT(adjustment >= 0 && adjustment < 7);
|
||||
v = v * kPow10[adjustment];
|
||||
if (length + static_cast<unsigned>(adjustment)> 19u) // has more digits than decimal digits in 64-bit
|
||||
int adjustment = dExp - actualExp;
|
||||
RAPIDJSON_ASSERT(adjustment >= 1 && adjustment < 8);
|
||||
v = v * kPow10[adjustment - 1];
|
||||
if (dLen + adjustment > 19) // has more digits than decimal digits in 64-bit
|
||||
error += kUlp / 2;
|
||||
}
|
||||
|
||||
|
@ -177,17 +179,17 @@ inline bool StrtodDiyFp(const char* decimals, size_t length, size_t decimalPosit
|
|||
v = v.Normalize();
|
||||
error <<= oldExp - v.e;
|
||||
|
||||
const unsigned effectiveSignificandSize = Double::EffectiveSignificandSize(64 + v.e);
|
||||
unsigned precisionSize = 64 - effectiveSignificandSize;
|
||||
const int effectiveSignificandSize = Double::EffectiveSignificandSize(64 + v.e);
|
||||
int precisionSize = 64 - effectiveSignificandSize;
|
||||
if (precisionSize + kUlpShift >= 64) {
|
||||
unsigned scaleExp = (precisionSize + kUlpShift) - 63;
|
||||
int scaleExp = (precisionSize + kUlpShift) - 63;
|
||||
v.f >>= scaleExp;
|
||||
v.e += scaleExp;
|
||||
error = (error >> scaleExp) + 1 + static_cast<int>(kUlp);
|
||||
error = (error >> scaleExp) + 1 + kUlp;
|
||||
precisionSize -= scaleExp;
|
||||
}
|
||||
|
||||
DiyFp rounded(v.f >> precisionSize, v.e + static_cast<int>(precisionSize));
|
||||
DiyFp rounded(v.f >> precisionSize, v.e + precisionSize);
|
||||
const uint64_t precisionBits = (v.f & ((uint64_t(1) << precisionSize) - 1)) * kUlp;
|
||||
const uint64_t halfWay = (uint64_t(1) << (precisionSize - 1)) * kUlp;
|
||||
if (precisionBits >= halfWay + static_cast<unsigned>(error)) {
|
||||
|
@ -203,9 +205,9 @@ inline bool StrtodDiyFp(const char* decimals, size_t length, size_t decimalPosit
|
|||
return halfWay - static_cast<unsigned>(error) >= precisionBits || precisionBits >= halfWay + static_cast<unsigned>(error);
|
||||
}
|
||||
|
||||
inline double StrtodBigInteger(double approx, const char* decimals, size_t length, size_t decimalPosition, int exp) {
|
||||
const BigInteger dInt(decimals, length);
|
||||
const int dExp = static_cast<int>(decimalPosition) - static_cast<int>(length) + exp;
|
||||
inline double StrtodBigInteger(double approx, const char* decimals, int dLen, int dExp) {
|
||||
RAPIDJSON_ASSERT(dLen >= 0);
|
||||
const BigInteger dInt(decimals, static_cast<unsigned>(dLen));
|
||||
Double a(approx);
|
||||
int cmp = CheckWithinHalfULP(a.Value(), dInt, dExp);
|
||||
if (cmp < 0)
|
||||
|
@ -225,42 +227,61 @@ inline double StrtodFullPrecision(double d, int p, const char* decimals, size_t
|
|||
RAPIDJSON_ASSERT(d >= 0.0);
|
||||
RAPIDJSON_ASSERT(length >= 1);
|
||||
|
||||
double result;
|
||||
double result = 0.0;
|
||||
if (StrtodFast(d, p, &result))
|
||||
return result;
|
||||
|
||||
RAPIDJSON_ASSERT(length <= INT_MAX);
|
||||
int dLen = static_cast<int>(length);
|
||||
|
||||
RAPIDJSON_ASSERT(length >= decimalPosition);
|
||||
RAPIDJSON_ASSERT(length - decimalPosition <= INT_MAX);
|
||||
int dExpAdjust = static_cast<int>(length - decimalPosition);
|
||||
|
||||
RAPIDJSON_ASSERT(exp >= INT_MIN + dExpAdjust);
|
||||
int dExp = exp - dExpAdjust;
|
||||
|
||||
// Make sure length+dExp does not overflow
|
||||
RAPIDJSON_ASSERT(dExp <= INT_MAX - dLen);
|
||||
|
||||
// Trim leading zeros
|
||||
while (*decimals == '0' && length > 1) {
|
||||
length--;
|
||||
while (dLen > 0 && *decimals == '0') {
|
||||
dLen--;
|
||||
decimals++;
|
||||
decimalPosition--;
|
||||
}
|
||||
|
||||
// Trim trailing zeros
|
||||
while (decimals[length - 1] == '0' && length > 1) {
|
||||
length--;
|
||||
decimalPosition--;
|
||||
exp++;
|
||||
while (dLen > 0 && decimals[dLen - 1] == '0') {
|
||||
dLen--;
|
||||
dExp++;
|
||||
}
|
||||
|
||||
if (dLen == 0) { // Buffer only contains zeros.
|
||||
return 0.0;
|
||||
}
|
||||
|
||||
// Trim right-most digits
|
||||
const int kMaxDecimalDigit = 780;
|
||||
if (static_cast<int>(length) > kMaxDecimalDigit) {
|
||||
int delta = (static_cast<int>(length) - kMaxDecimalDigit);
|
||||
exp += delta;
|
||||
decimalPosition -= static_cast<unsigned>(delta);
|
||||
length = kMaxDecimalDigit;
|
||||
const int kMaxDecimalDigit = 767 + 1;
|
||||
if (dLen > kMaxDecimalDigit) {
|
||||
dExp += dLen - kMaxDecimalDigit;
|
||||
dLen = kMaxDecimalDigit;
|
||||
}
|
||||
|
||||
// If too small, underflow to zero
|
||||
if (int(length) + exp < -324)
|
||||
// If too small, underflow to zero.
|
||||
// Any x <= 10^-324 is interpreted as zero.
|
||||
if (dLen + dExp <= -324)
|
||||
return 0.0;
|
||||
|
||||
if (StrtodDiyFp(decimals, length, decimalPosition, exp, &result))
|
||||
// If too large, overflow to infinity.
|
||||
// Any x >= 10^309 is interpreted as +infinity.
|
||||
if (dLen + dExp > 309)
|
||||
return std::numeric_limits<double>::infinity();
|
||||
|
||||
if (StrtodDiyFp(decimals, dLen, dExp, &result))
|
||||
return result;
|
||||
|
||||
// Use approximation from StrtodDiyFp and make adjustment with BigInteger comparison
|
||||
return StrtodBigInteger(result, decimals, length, decimalPosition, exp);
|
||||
return StrtodBigInteger(result, decimals, dLen, dExp);
|
||||
}
|
||||
|
||||
} // namespace internal
|
||||
|
|
|
@ -17,13 +17,12 @@
|
|||
|
||||
#include "stream.h"
|
||||
#include <iosfwd>
|
||||
#include <ios>
|
||||
|
||||
#ifdef __clang__
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(padded)
|
||||
#endif
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#elif defined(_MSC_VER)
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(4351) // new behavior: elements of array 'array' will be default initialized
|
||||
#endif
|
||||
|
@ -50,57 +49,71 @@ template <typename StreamType>
|
|||
class BasicIStreamWrapper {
|
||||
public:
|
||||
typedef typename StreamType::char_type Ch;
|
||||
BasicIStreamWrapper(StreamType& stream) : stream_(stream), count_(), peekBuffer_() {}
|
||||
|
||||
Ch Peek() const {
|
||||
typename StreamType::int_type c = stream_.peek();
|
||||
return RAPIDJSON_LIKELY(c != StreamType::traits_type::eof()) ? static_cast<Ch>(c) : '\0';
|
||||
//! Constructor.
|
||||
/*!
|
||||
\param stream stream opened for read.
|
||||
*/
|
||||
BasicIStreamWrapper(StreamType &stream) : stream_(stream), buffer_(peekBuffer_), bufferSize_(4), bufferLast_(0), current_(buffer_), readCount_(0), count_(0), eof_(false) {
|
||||
Read();
|
||||
}
|
||||
|
||||
Ch Take() {
|
||||
typename StreamType::int_type c = stream_.get();
|
||||
if (RAPIDJSON_LIKELY(c != StreamType::traits_type::eof())) {
|
||||
count_++;
|
||||
return static_cast<Ch>(c);
|
||||
}
|
||||
else
|
||||
return '\0';
|
||||
//! Constructor.
|
||||
/*!
|
||||
\param stream stream opened for read.
|
||||
\param buffer user-supplied buffer.
|
||||
\param bufferSize size of buffer in bytes. Must >=4 bytes.
|
||||
*/
|
||||
BasicIStreamWrapper(StreamType &stream, char* buffer, size_t bufferSize) : stream_(stream), buffer_(buffer), bufferSize_(bufferSize), bufferLast_(0), current_(buffer_), readCount_(0), count_(0), eof_(false) {
|
||||
RAPIDJSON_ASSERT(bufferSize >= 4);
|
||||
Read();
|
||||
}
|
||||
|
||||
// tellg() may return -1 when failed. So we count by ourself.
|
||||
size_t Tell() const { return count_; }
|
||||
Ch Peek() const { return *current_; }
|
||||
Ch Take() { Ch c = *current_; Read(); return c; }
|
||||
size_t Tell() const { return count_ + static_cast<size_t>(current_ - buffer_); }
|
||||
|
||||
Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
|
||||
// Not implemented
|
||||
void Put(Ch) { RAPIDJSON_ASSERT(false); }
|
||||
void Flush() { RAPIDJSON_ASSERT(false); }
|
||||
Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
|
||||
size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
|
||||
|
||||
// For encoding detection only.
|
||||
const Ch* Peek4() const {
|
||||
RAPIDJSON_ASSERT(sizeof(Ch) == 1); // Only usable for byte stream.
|
||||
int i;
|
||||
bool hasError = false;
|
||||
for (i = 0; i < 4; ++i) {
|
||||
typename StreamType::int_type c = stream_.get();
|
||||
if (c == StreamType::traits_type::eof()) {
|
||||
hasError = true;
|
||||
stream_.clear();
|
||||
break;
|
||||
}
|
||||
peekBuffer_[i] = static_cast<Ch>(c);
|
||||
}
|
||||
for (--i; i >= 0; --i)
|
||||
stream_.putback(peekBuffer_[i]);
|
||||
return !hasError ? peekBuffer_ : 0;
|
||||
return (current_ + 4 - !eof_ <= bufferLast_) ? current_ : 0;
|
||||
}
|
||||
|
||||
private:
|
||||
BasicIStreamWrapper();
|
||||
BasicIStreamWrapper(const BasicIStreamWrapper&);
|
||||
BasicIStreamWrapper& operator=(const BasicIStreamWrapper&);
|
||||
|
||||
void Read() {
|
||||
if (current_ < bufferLast_)
|
||||
++current_;
|
||||
else if (!eof_) {
|
||||
count_ += readCount_;
|
||||
readCount_ = bufferSize_;
|
||||
bufferLast_ = buffer_ + readCount_ - 1;
|
||||
current_ = buffer_;
|
||||
|
||||
if (!stream_.read(buffer_, static_cast<std::streamsize>(bufferSize_))) {
|
||||
readCount_ = static_cast<size_t>(stream_.gcount());
|
||||
*(bufferLast_ = buffer_ + readCount_) = '\0';
|
||||
eof_ = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
StreamType &stream_;
|
||||
size_t count_; //!< Number of characters read. Note:
|
||||
mutable Ch peekBuffer_[4];
|
||||
Ch peekBuffer_[4], *buffer_;
|
||||
size_t bufferSize_;
|
||||
Ch *bufferLast_;
|
||||
Ch *current_;
|
||||
size_t readCount_;
|
||||
size_t count_; //!< Number of characters read
|
||||
bool eof_;
|
||||
};
|
||||
|
||||
typedef BasicIStreamWrapper<std::istream> IStreamWrapper;
|
||||
|
|
|
@ -21,9 +21,7 @@
|
|||
#ifdef __clang__
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(switch-enum)
|
||||
#endif
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#elif defined(_MSC_VER)
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
|
||||
#endif
|
||||
|
@ -165,7 +163,12 @@ public:
|
|||
GenericPointer(const Token* tokens, size_t tokenCount) : allocator_(), ownAllocator_(), nameBuffer_(), tokens_(const_cast<Token*>(tokens)), tokenCount_(tokenCount), parseErrorOffset_(), parseErrorCode_(kPointerParseErrorNone) {}
|
||||
|
||||
//! Copy constructor.
|
||||
GenericPointer(const GenericPointer& rhs, Allocator* allocator = 0) : allocator_(allocator), ownAllocator_(), nameBuffer_(), tokens_(), tokenCount_(), parseErrorOffset_(), parseErrorCode_(kPointerParseErrorNone) {
|
||||
GenericPointer(const GenericPointer& rhs) : allocator_(rhs.allocator_), ownAllocator_(), nameBuffer_(), tokens_(), tokenCount_(), parseErrorOffset_(), parseErrorCode_(kPointerParseErrorNone) {
|
||||
*this = rhs;
|
||||
}
|
||||
|
||||
//! Copy constructor.
|
||||
GenericPointer(const GenericPointer& rhs, Allocator* allocator) : allocator_(allocator), ownAllocator_(), nameBuffer_(), tokens_(), tokenCount_(), parseErrorOffset_(), parseErrorCode_(kPointerParseErrorNone) {
|
||||
*this = rhs;
|
||||
}
|
||||
|
||||
|
@ -197,6 +200,36 @@ public:
|
|||
return *this;
|
||||
}
|
||||
|
||||
//! Swap the content of this pointer with an other.
|
||||
/*!
|
||||
\param other The pointer to swap with.
|
||||
\note Constant complexity.
|
||||
*/
|
||||
GenericPointer& Swap(GenericPointer& other) RAPIDJSON_NOEXCEPT {
|
||||
internal::Swap(allocator_, other.allocator_);
|
||||
internal::Swap(ownAllocator_, other.ownAllocator_);
|
||||
internal::Swap(nameBuffer_, other.nameBuffer_);
|
||||
internal::Swap(tokens_, other.tokens_);
|
||||
internal::Swap(tokenCount_, other.tokenCount_);
|
||||
internal::Swap(parseErrorOffset_, other.parseErrorOffset_);
|
||||
internal::Swap(parseErrorCode_, other.parseErrorCode_);
|
||||
return *this;
|
||||
}
|
||||
|
||||
//! free-standing swap function helper
|
||||
/*!
|
||||
Helper function to enable support for common swap implementation pattern based on \c std::swap:
|
||||
\code
|
||||
void swap(MyClass& a, MyClass& b) {
|
||||
using std::swap;
|
||||
swap(a.pointer, b.pointer);
|
||||
// ...
|
||||
}
|
||||
\endcode
|
||||
\see Swap()
|
||||
*/
|
||||
friend inline void swap(GenericPointer& a, GenericPointer& b) RAPIDJSON_NOEXCEPT { a.Swap(b); }
|
||||
|
||||
//@}
|
||||
|
||||
//!@name Append token
|
||||
|
@ -240,7 +273,7 @@ public:
|
|||
template <typename T>
|
||||
RAPIDJSON_DISABLEIF_RETURN((internal::NotExpr<internal::IsSame<typename internal::RemoveConst<T>::Type, Ch> >), (GenericPointer))
|
||||
Append(T* name, Allocator* allocator = 0) const {
|
||||
return Append(name, StrLen(name), allocator);
|
||||
return Append(name, internal::StrLen(name), allocator);
|
||||
}
|
||||
|
||||
#if RAPIDJSON_HAS_STDSTRING
|
||||
|
@ -274,7 +307,7 @@ public:
|
|||
else {
|
||||
Ch name[21];
|
||||
for (size_t i = 0; i <= length; i++)
|
||||
name[i] = buffer[i];
|
||||
name[i] = static_cast<Ch>(buffer[i]);
|
||||
Token token = { name, length, index };
|
||||
return Append(token, allocator);
|
||||
}
|
||||
|
@ -353,6 +386,33 @@ public:
|
|||
*/
|
||||
bool operator!=(const GenericPointer& rhs) const { return !(*this == rhs); }
|
||||
|
||||
//! Less than operator.
|
||||
/*!
|
||||
\note Invalid pointers are always greater than valid ones.
|
||||
*/
|
||||
bool operator<(const GenericPointer& rhs) const {
|
||||
if (!IsValid())
|
||||
return false;
|
||||
if (!rhs.IsValid())
|
||||
return true;
|
||||
|
||||
if (tokenCount_ != rhs.tokenCount_)
|
||||
return tokenCount_ < rhs.tokenCount_;
|
||||
|
||||
for (size_t i = 0; i < tokenCount_; i++) {
|
||||
if (tokens_[i].index != rhs.tokens_[i].index)
|
||||
return tokens_[i].index < rhs.tokens_[i].index;
|
||||
|
||||
if (tokens_[i].length != rhs.tokens_[i].length)
|
||||
return tokens_[i].length < rhs.tokens_[i].length;
|
||||
|
||||
if (int cmp = std::memcmp(tokens_[i].name, rhs.tokens_[i].name, sizeof(Ch) * tokens_[i].length))
|
||||
return cmp < 0;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
//@}
|
||||
|
||||
//!@name Stringify
|
||||
|
@ -428,10 +488,11 @@ public:
|
|||
v = &((*v)[t->index]);
|
||||
}
|
||||
else {
|
||||
typename ValueType::MemberIterator m = v->FindMember(GenericStringRef<Ch>(t->name, t->length));
|
||||
typename ValueType::MemberIterator m = v->FindMember(GenericValue<EncodingType>(GenericStringRef<Ch>(t->name, t->length)));
|
||||
if (m == v->MemberEnd()) {
|
||||
v->AddMember(ValueType(t->name, t->length, allocator).Move(), ValueType().Move(), allocator);
|
||||
v = &(--v->MemberEnd())->value; // Assumes AddMember() appends at the end
|
||||
m = v->MemberEnd();
|
||||
v = &(--m)->value; // Assumes AddMember() appends at the end
|
||||
exist = false;
|
||||
}
|
||||
else
|
||||
|
@ -483,7 +544,7 @@ public:
|
|||
switch (v->GetType()) {
|
||||
case kObjectType:
|
||||
{
|
||||
typename ValueType::MemberIterator m = v->FindMember(GenericStringRef<Ch>(t->name, t->length));
|
||||
typename ValueType::MemberIterator m = v->FindMember(GenericValue<EncodingType>(GenericStringRef<Ch>(t->name, t->length)));
|
||||
if (m == v->MemberEnd())
|
||||
break;
|
||||
v = &m->value;
|
||||
|
@ -532,14 +593,14 @@ public:
|
|||
*/
|
||||
ValueType& GetWithDefault(ValueType& root, const ValueType& defaultValue, typename ValueType::AllocatorType& allocator) const {
|
||||
bool alreadyExist;
|
||||
Value& v = Create(root, allocator, &alreadyExist);
|
||||
ValueType& v = Create(root, allocator, &alreadyExist);
|
||||
return alreadyExist ? v : v.CopyFrom(defaultValue, allocator);
|
||||
}
|
||||
|
||||
//! Query a value in a subtree with default null-terminated string.
|
||||
ValueType& GetWithDefault(ValueType& root, const Ch* defaultValue, typename ValueType::AllocatorType& allocator) const {
|
||||
bool alreadyExist;
|
||||
Value& v = Create(root, allocator, &alreadyExist);
|
||||
ValueType& v = Create(root, allocator, &alreadyExist);
|
||||
return alreadyExist ? v : v.SetString(defaultValue, allocator);
|
||||
}
|
||||
|
||||
|
@ -547,7 +608,7 @@ public:
|
|||
//! Query a value in a subtree with default std::basic_string.
|
||||
ValueType& GetWithDefault(ValueType& root, const std::basic_string<Ch>& defaultValue, typename ValueType::AllocatorType& allocator) const {
|
||||
bool alreadyExist;
|
||||
Value& v = Create(root, allocator, &alreadyExist);
|
||||
ValueType& v = Create(root, allocator, &alreadyExist);
|
||||
return alreadyExist ? v : v.SetString(defaultValue, allocator);
|
||||
}
|
||||
#endif
|
||||
|
@ -719,7 +780,7 @@ public:
|
|||
switch (v->GetType()) {
|
||||
case kObjectType:
|
||||
{
|
||||
typename ValueType::MemberIterator m = v->FindMember(GenericStringRef<Ch>(t->name, t->length));
|
||||
typename ValueType::MemberIterator m = v->FindMember(GenericValue<EncodingType>(GenericStringRef<Ch>(t->name, t->length)));
|
||||
if (m == v->MemberEnd())
|
||||
return false;
|
||||
v = &m->value;
|
||||
|
@ -758,7 +819,7 @@ private:
|
|||
*/
|
||||
Ch* CopyFromRaw(const GenericPointer& rhs, size_t extraToken = 0, size_t extraNameBufferSize = 0) {
|
||||
if (!allocator_) // allocator is independently owned.
|
||||
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator());
|
||||
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
|
||||
|
||||
size_t nameBufferSize = rhs.tokenCount_; // null terminators for tokens
|
||||
for (Token *t = rhs.tokens_; t != rhs.tokens_ + rhs.tokenCount_; ++t)
|
||||
|
@ -806,7 +867,7 @@ private:
|
|||
|
||||
// Create own allocator if user did not supply.
|
||||
if (!allocator_)
|
||||
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator());
|
||||
ownAllocator_ = allocator_ = RAPIDJSON_NEW(Allocator)();
|
||||
|
||||
// Count number of '/' as tokenCount
|
||||
tokenCount_ = 0;
|
||||
|
@ -1029,8 +1090,8 @@ private:
|
|||
unsigned char u = static_cast<unsigned char>(c);
|
||||
static const char hexDigits[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
|
||||
os_.Put('%');
|
||||
os_.Put(hexDigits[u >> 4]);
|
||||
os_.Put(hexDigits[u & 15]);
|
||||
os_.Put(static_cast<typename OutputStream::Ch>(hexDigits[u >> 4]));
|
||||
os_.Put(static_cast<typename OutputStream::Ch>(hexDigits[u & 15]));
|
||||
}
|
||||
private:
|
||||
OutputStream& os_;
|
||||
|
@ -1347,11 +1408,7 @@ bool EraseValueByPointer(T& root, const CharType(&source)[N]) {
|
|||
|
||||
RAPIDJSON_NAMESPACE_END
|
||||
|
||||
#ifdef __clang__
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
#ifdef _MSC_VER
|
||||
#if defined(__clang__) || defined(_MSC_VER)
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
|
|
|
@ -22,6 +22,11 @@ RAPIDJSON_DIAG_PUSH
|
|||
RAPIDJSON_DIAG_OFF(effc++)
|
||||
#endif
|
||||
|
||||
#if defined(__clang__)
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(c++98-compat)
|
||||
#endif
|
||||
|
||||
RAPIDJSON_NAMESPACE_BEGIN
|
||||
|
||||
//! Combination of PrettyWriter format flags.
|
||||
|
@ -34,7 +39,7 @@ enum PrettyFormatOptions {
|
|||
|
||||
//! Writer with indentation and spacing.
|
||||
/*!
|
||||
\tparam OutputStream Type of ouptut os.
|
||||
\tparam OutputStream Type of output os.
|
||||
\tparam SourceEncoding Encoding of source string.
|
||||
\tparam TargetEncoding Encoding of output stream.
|
||||
\tparam StackAllocator Type of allocator for allocating memory of stack.
|
||||
|
@ -42,7 +47,7 @@ enum PrettyFormatOptions {
|
|||
template<typename OutputStream, typename SourceEncoding = UTF8<>, typename TargetEncoding = UTF8<>, typename StackAllocator = CrtAllocator, unsigned writeFlags = kWriteDefaultFlags>
|
||||
class PrettyWriter : public Writer<OutputStream, SourceEncoding, TargetEncoding, StackAllocator, writeFlags> {
|
||||
public:
|
||||
typedef Writer<OutputStream, SourceEncoding, TargetEncoding, StackAllocator> Base;
|
||||
typedef Writer<OutputStream, SourceEncoding, TargetEncoding, StackAllocator, writeFlags> Base;
|
||||
typedef typename Base::Ch Ch;
|
||||
|
||||
//! Constructor
|
||||
|
@ -57,6 +62,11 @@ public:
|
|||
explicit PrettyWriter(StackAllocator* allocator = 0, size_t levelDepth = Base::kDefaultLevelDepth) :
|
||||
Base(allocator, levelDepth), indentChar_(' '), indentCharCount_(4) {}
|
||||
|
||||
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||||
PrettyWriter(PrettyWriter&& rhs) :
|
||||
Base(std::forward<PrettyWriter>(rhs)), indentChar_(rhs.indentChar_), indentCharCount_(rhs.indentCharCount_), formatOptions_(rhs.formatOptions_) {}
|
||||
#endif
|
||||
|
||||
//! Set custom indentation.
|
||||
/*! \param indentChar Character for indentation. Must be whitespace character (' ', '\\t', '\\n', '\\r').
|
||||
\param indentCharCount Number of indent characters for each indentation level.
|
||||
|
@ -82,24 +92,26 @@ public:
|
|||
*/
|
||||
//@{
|
||||
|
||||
bool Null() { PrettyPrefix(kNullType); return Base::WriteNull(); }
|
||||
bool Bool(bool b) { PrettyPrefix(b ? kTrueType : kFalseType); return Base::WriteBool(b); }
|
||||
bool Int(int i) { PrettyPrefix(kNumberType); return Base::WriteInt(i); }
|
||||
bool Uint(unsigned u) { PrettyPrefix(kNumberType); return Base::WriteUint(u); }
|
||||
bool Int64(int64_t i64) { PrettyPrefix(kNumberType); return Base::WriteInt64(i64); }
|
||||
bool Uint64(uint64_t u64) { PrettyPrefix(kNumberType); return Base::WriteUint64(u64); }
|
||||
bool Double(double d) { PrettyPrefix(kNumberType); return Base::WriteDouble(d); }
|
||||
bool Null() { PrettyPrefix(kNullType); return Base::EndValue(Base::WriteNull()); }
|
||||
bool Bool(bool b) { PrettyPrefix(b ? kTrueType : kFalseType); return Base::EndValue(Base::WriteBool(b)); }
|
||||
bool Int(int i) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteInt(i)); }
|
||||
bool Uint(unsigned u) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteUint(u)); }
|
||||
bool Int64(int64_t i64) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteInt64(i64)); }
|
||||
bool Uint64(uint64_t u64) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteUint64(u64)); }
|
||||
bool Double(double d) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteDouble(d)); }
|
||||
|
||||
bool RawNumber(const Ch* str, SizeType length, bool copy = false) {
|
||||
RAPIDJSON_ASSERT(str != 0);
|
||||
(void)copy;
|
||||
PrettyPrefix(kNumberType);
|
||||
return Base::WriteString(str, length);
|
||||
return Base::EndValue(Base::WriteString(str, length));
|
||||
}
|
||||
|
||||
bool String(const Ch* str, SizeType length, bool copy = false) {
|
||||
RAPIDJSON_ASSERT(str != 0);
|
||||
(void)copy;
|
||||
PrettyPrefix(kStringType);
|
||||
return Base::WriteString(str, length);
|
||||
return Base::EndValue(Base::WriteString(str, length));
|
||||
}
|
||||
|
||||
#if RAPIDJSON_HAS_STDSTRING
|
||||
|
@ -124,19 +136,21 @@ public:
|
|||
|
||||
bool EndObject(SizeType memberCount = 0) {
|
||||
(void)memberCount;
|
||||
RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >= sizeof(typename Base::Level));
|
||||
RAPIDJSON_ASSERT(!Base::level_stack_.template Top<typename Base::Level>()->inArray);
|
||||
RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >= sizeof(typename Base::Level)); // not inside an Object
|
||||
RAPIDJSON_ASSERT(!Base::level_stack_.template Top<typename Base::Level>()->inArray); // currently inside an Array, not Object
|
||||
RAPIDJSON_ASSERT(0 == Base::level_stack_.template Top<typename Base::Level>()->valueCount % 2); // Object has a Key without a Value
|
||||
|
||||
bool empty = Base::level_stack_.template Pop<typename Base::Level>(1)->valueCount == 0;
|
||||
|
||||
if (!empty) {
|
||||
Base::os_->Put('\n');
|
||||
WriteIndent();
|
||||
}
|
||||
bool ret = Base::WriteEndObject();
|
||||
bool ret = Base::EndValue(Base::WriteEndObject());
|
||||
(void)ret;
|
||||
RAPIDJSON_ASSERT(ret == true);
|
||||
if (Base::level_stack_.Empty()) // end of json text
|
||||
Base::os_->Flush();
|
||||
Base::Flush();
|
||||
return true;
|
||||
}
|
||||
|
||||
|
@ -156,11 +170,11 @@ public:
|
|||
Base::os_->Put('\n');
|
||||
WriteIndent();
|
||||
}
|
||||
bool ret = Base::WriteEndArray();
|
||||
bool ret = Base::EndValue(Base::WriteEndArray());
|
||||
(void)ret;
|
||||
RAPIDJSON_ASSERT(ret == true);
|
||||
if (Base::level_stack_.Empty()) // end of json text
|
||||
Base::os_->Flush();
|
||||
Base::Flush();
|
||||
return true;
|
||||
}
|
||||
|
||||
|
@ -184,7 +198,11 @@ public:
|
|||
\param type Type of the root of json.
|
||||
\note When using PrettyWriter::RawValue(), the result json may not be indented correctly.
|
||||
*/
|
||||
bool RawValue(const Ch* json, size_t length, Type type) { PrettyPrefix(type); return Base::WriteRawValue(json, length); }
|
||||
bool RawValue(const Ch* json, size_t length, Type type) {
|
||||
RAPIDJSON_ASSERT(json != 0);
|
||||
PrettyPrefix(type);
|
||||
return Base::EndValue(Base::WriteRawValue(json, length));
|
||||
}
|
||||
|
||||
protected:
|
||||
void PrettyPrefix(Type type) {
|
||||
|
@ -233,7 +251,7 @@ protected:
|
|||
|
||||
void WriteIndent() {
|
||||
size_t count = (Base::level_stack_.GetSize() / sizeof(typename Base::Level)) * indentCharCount_;
|
||||
PutN(*Base::os_, static_cast<typename TargetEncoding::Ch>(indentChar_), count);
|
||||
PutN(*Base::os_, static_cast<typename OutputStream::Ch>(indentChar_), count);
|
||||
}
|
||||
|
||||
Ch indentChar_;
|
||||
|
@ -248,6 +266,10 @@ private:
|
|||
|
||||
RAPIDJSON_NAMESPACE_END
|
||||
|
||||
#if defined(__clang__)
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
#ifdef __GNUC__
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
|
|
@ -26,7 +26,7 @@
|
|||
|
||||
Some RapidJSON features are configurable to adapt the library to a wide
|
||||
variety of platforms, environments and usage scenarios. Most of the
|
||||
features can be configured in terms of overriden or predefined
|
||||
features can be configured in terms of overridden or predefined
|
||||
preprocessor macros at compile-time.
|
||||
|
||||
Some additional customization is available in the \ref RAPIDJSON_ERRORS APIs.
|
||||
|
@ -49,6 +49,11 @@
|
|||
// token stringification
|
||||
#define RAPIDJSON_STRINGIFY(x) RAPIDJSON_DO_STRINGIFY(x)
|
||||
#define RAPIDJSON_DO_STRINGIFY(x) #x
|
||||
|
||||
// token concatenation
|
||||
#define RAPIDJSON_JOIN(X, Y) RAPIDJSON_DO_JOIN(X, Y)
|
||||
#define RAPIDJSON_DO_JOIN(X, Y) RAPIDJSON_DO_JOIN2(X, Y)
|
||||
#define RAPIDJSON_DO_JOIN2(X, Y) X##Y
|
||||
//!@endcond
|
||||
|
||||
/*! \def RAPIDJSON_MAJOR_VERSION
|
||||
|
@ -214,7 +219,7 @@
|
|||
# elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
|
||||
# define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
|
||||
# else
|
||||
# error Unknown machine endianess detected. User needs to define RAPIDJSON_ENDIAN.
|
||||
# error Unknown machine endianness detected. User needs to define RAPIDJSON_ENDIAN.
|
||||
# endif // __BYTE_ORDER__
|
||||
// Detect with GLIBC's endian.h
|
||||
# elif defined(__GLIBC__)
|
||||
|
@ -224,7 +229,7 @@
|
|||
# elif (__BYTE_ORDER == __BIG_ENDIAN)
|
||||
# define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
|
||||
# else
|
||||
# error Unknown machine endianess detected. User needs to define RAPIDJSON_ENDIAN.
|
||||
# error Unknown machine endianness detected. User needs to define RAPIDJSON_ENDIAN.
|
||||
# endif // __GLIBC__
|
||||
// Detect with _LITTLE_ENDIAN and _BIG_ENDIAN macro
|
||||
# elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
|
||||
|
@ -236,12 +241,12 @@
|
|||
# define RAPIDJSON_ENDIAN RAPIDJSON_BIGENDIAN
|
||||
# elif defined(__i386__) || defined(__alpha__) || defined(__ia64) || defined(__ia64__) || defined(_M_IX86) || defined(_M_IA64) || defined(_M_ALPHA) || defined(__amd64) || defined(__amd64__) || defined(_M_AMD64) || defined(__x86_64) || defined(__x86_64__) || defined(_M_X64) || defined(__bfin__)
|
||||
# define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
|
||||
# elif defined(_MSC_VER) && defined(_M_ARM)
|
||||
# elif defined(_MSC_VER) && (defined(_M_ARM) || defined(_M_ARM64))
|
||||
# define RAPIDJSON_ENDIAN RAPIDJSON_LITTLEENDIAN
|
||||
# elif defined(RAPIDJSON_DOXYGEN_RUNNING)
|
||||
# define RAPIDJSON_ENDIAN
|
||||
# else
|
||||
# error Unknown machine endianess detected. User needs to define RAPIDJSON_ENDIAN.
|
||||
# error Unknown machine endianness detected. User needs to define RAPIDJSON_ENDIAN.
|
||||
# endif
|
||||
#endif // RAPIDJSON_ENDIAN
|
||||
|
||||
|
@ -264,16 +269,11 @@
|
|||
/*! \ingroup RAPIDJSON_CONFIG
|
||||
\param x pointer to align
|
||||
|
||||
Some machines require strict data alignment. Currently the default uses 4 bytes
|
||||
alignment on 32-bit platforms and 8 bytes alignment for 64-bit platforms.
|
||||
Some machines require strict data alignment. The default is 8 bytes.
|
||||
User can customize by defining the RAPIDJSON_ALIGN function macro.
|
||||
*/
|
||||
#ifndef RAPIDJSON_ALIGN
|
||||
#if RAPIDJSON_64BIT == 1
|
||||
#define RAPIDJSON_ALIGN(x) (((x) + static_cast<uint64_t>(7u)) & ~static_cast<uint64_t>(7u))
|
||||
#else
|
||||
#define RAPIDJSON_ALIGN(x) (((x) + 3u) & ~3u)
|
||||
#endif
|
||||
#define RAPIDJSON_ALIGN(x) (((x) + static_cast<size_t>(7u)) & ~static_cast<size_t>(7u))
|
||||
#endif
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
|
@ -320,17 +320,17 @@
|
|||
#endif
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// RAPIDJSON_SSE2/RAPIDJSON_SSE42/RAPIDJSON_SIMD
|
||||
// RAPIDJSON_SSE2/RAPIDJSON_SSE42/RAPIDJSON_NEON/RAPIDJSON_SIMD
|
||||
|
||||
/*! \def RAPIDJSON_SIMD
|
||||
\ingroup RAPIDJSON_CONFIG
|
||||
\brief Enable SSE2/SSE4.2 optimization.
|
||||
\brief Enable SSE2/SSE4.2/Neon optimization.
|
||||
|
||||
RapidJSON supports optimized implementations for some parsing operations
|
||||
based on the SSE2 or SSE4.2 SIMD extensions on modern Intel-compatible
|
||||
processors.
|
||||
based on the SSE2, SSE4.2 or NEon SIMD extensions on modern Intel
|
||||
or ARM compatible processors.
|
||||
|
||||
To enable these optimizations, two different symbols can be defined;
|
||||
To enable these optimizations, three different symbols can be defined;
|
||||
\code
|
||||
// Enable SSE2 optimization.
|
||||
#define RAPIDJSON_SSE2
|
||||
|
@ -339,13 +339,17 @@
|
|||
#define RAPIDJSON_SSE42
|
||||
\endcode
|
||||
|
||||
\c RAPIDJSON_SSE42 takes precedence, if both are defined.
|
||||
// Enable ARM Neon optimization.
|
||||
#define RAPIDJSON_NEON
|
||||
\endcode
|
||||
|
||||
\c RAPIDJSON_SSE42 takes precedence over SSE2, if both are defined.
|
||||
|
||||
If any of these symbols is defined, RapidJSON defines the macro
|
||||
\c RAPIDJSON_SIMD to indicate the availability of the optimized code.
|
||||
*/
|
||||
#if defined(RAPIDJSON_SSE2) || defined(RAPIDJSON_SSE42) \
|
||||
|| defined(RAPIDJSON_DOXYGEN_RUNNING)
|
||||
|| defined(RAPIDJSON_NEON) || defined(RAPIDJSON_DOXYGEN_RUNNING)
|
||||
#define RAPIDJSON_SIMD
|
||||
#endif
|
||||
|
||||
|
@ -405,7 +409,15 @@ RAPIDJSON_NAMESPACE_END
|
|||
///////////////////////////////////////////////////////////////////////////////
|
||||
// RAPIDJSON_STATIC_ASSERT
|
||||
|
||||
// Adopt from boost
|
||||
// Prefer C++11 static_assert, if available
|
||||
#ifndef RAPIDJSON_STATIC_ASSERT
|
||||
#if __cplusplus >= 201103L || ( defined(_MSC_VER) && _MSC_VER >= 1800 )
|
||||
#define RAPIDJSON_STATIC_ASSERT(x) \
|
||||
static_assert(x, RAPIDJSON_STRINGIFY(x))
|
||||
#endif // C++11
|
||||
#endif // RAPIDJSON_STATIC_ASSERT
|
||||
|
||||
// Adopt C++03 implementation from boost
|
||||
#ifndef RAPIDJSON_STATIC_ASSERT
|
||||
#ifndef __clang__
|
||||
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
|
||||
|
@ -413,14 +425,10 @@ RAPIDJSON_NAMESPACE_END
|
|||
RAPIDJSON_NAMESPACE_BEGIN
|
||||
template <bool x> struct STATIC_ASSERTION_FAILURE;
|
||||
template <> struct STATIC_ASSERTION_FAILURE<true> { enum { value = 1 }; };
|
||||
template<int x> struct StaticAssertTest {};
|
||||
template <size_t x> struct StaticAssertTest {};
|
||||
RAPIDJSON_NAMESPACE_END
|
||||
|
||||
#define RAPIDJSON_JOIN(X, Y) RAPIDJSON_DO_JOIN(X, Y)
|
||||
#define RAPIDJSON_DO_JOIN(X, Y) RAPIDJSON_DO_JOIN2(X, Y)
|
||||
#define RAPIDJSON_DO_JOIN2(X, Y) X##Y
|
||||
|
||||
#if defined(__GNUC__)
|
||||
#if defined(__GNUC__) || defined(__clang__)
|
||||
#define RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE __attribute__((unused))
|
||||
#else
|
||||
#define RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE
|
||||
|
@ -438,7 +446,7 @@ RAPIDJSON_NAMESPACE_END
|
|||
typedef ::RAPIDJSON_NAMESPACE::StaticAssertTest< \
|
||||
sizeof(::RAPIDJSON_NAMESPACE::STATIC_ASSERTION_FAILURE<bool(x) >)> \
|
||||
RAPIDJSON_JOIN(StaticAssertTypedef, __LINE__) RAPIDJSON_STATIC_ASSERT_UNUSED_ATTRIBUTE
|
||||
#endif
|
||||
#endif // RAPIDJSON_STATIC_ASSERT
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// RAPIDJSON_LIKELY, RAPIDJSON_UNLIKELY
|
||||
|
@ -482,6 +490,12 @@ RAPIDJSON_NAMESPACE_END
|
|||
#define RAPIDJSON_VERSION_CODE(x,y,z) \
|
||||
(((x)*100000) + ((y)*100) + (z))
|
||||
|
||||
#if defined(__has_builtin)
|
||||
#define RAPIDJSON_HAS_BUILTIN(x) __has_builtin(x)
|
||||
#else
|
||||
#define RAPIDJSON_HAS_BUILTIN(x) 0
|
||||
#endif
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// RAPIDJSON_DIAG_PUSH/POP, RAPIDJSON_DIAG_OFF
|
||||
|
||||
|
@ -530,13 +544,14 @@ RAPIDJSON_NAMESPACE_END
|
|||
#ifndef RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||||
#if defined(__clang__)
|
||||
#if __has_feature(cxx_rvalue_references) && \
|
||||
(defined(_LIBCPP_VERSION) || defined(__GLIBCXX__) && __GLIBCXX__ >= 20080306)
|
||||
(defined(_MSC_VER) || defined(_LIBCPP_VERSION) || defined(__GLIBCXX__) && __GLIBCXX__ >= 20080306)
|
||||
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
|
||||
#else
|
||||
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 0
|
||||
#endif
|
||||
#elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,3,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
|
||||
(defined(_MSC_VER) && _MSC_VER >= 1600)
|
||||
(defined(_MSC_VER) && _MSC_VER >= 1600) || \
|
||||
(defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5140 && defined(__GXX_EXPERIMENTAL_CXX0X__))
|
||||
|
||||
#define RAPIDJSON_HAS_CXX11_RVALUE_REFS 1
|
||||
#else
|
||||
|
@ -547,8 +562,9 @@ RAPIDJSON_NAMESPACE_END
|
|||
#ifndef RAPIDJSON_HAS_CXX11_NOEXCEPT
|
||||
#if defined(__clang__)
|
||||
#define RAPIDJSON_HAS_CXX11_NOEXCEPT __has_feature(cxx_noexcept)
|
||||
#elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__))
|
||||
// (defined(_MSC_VER) && _MSC_VER >= ????) // not yet supported
|
||||
#elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
|
||||
(defined(_MSC_VER) && _MSC_VER >= 1900) || \
|
||||
(defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5140 && defined(__GXX_EXPERIMENTAL_CXX0X__))
|
||||
#define RAPIDJSON_HAS_CXX11_NOEXCEPT 1
|
||||
#else
|
||||
#define RAPIDJSON_HAS_CXX11_NOEXCEPT 0
|
||||
|
@ -562,28 +578,73 @@ RAPIDJSON_NAMESPACE_END
|
|||
|
||||
// no automatic detection, yet
|
||||
#ifndef RAPIDJSON_HAS_CXX11_TYPETRAITS
|
||||
#if (defined(_MSC_VER) && _MSC_VER >= 1700)
|
||||
#define RAPIDJSON_HAS_CXX11_TYPETRAITS 1
|
||||
#else
|
||||
#define RAPIDJSON_HAS_CXX11_TYPETRAITS 0
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#ifndef RAPIDJSON_HAS_CXX11_RANGE_FOR
|
||||
#if defined(__clang__)
|
||||
#define RAPIDJSON_HAS_CXX11_RANGE_FOR __has_feature(cxx_range_for)
|
||||
#elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,3,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
|
||||
(defined(_MSC_VER) && _MSC_VER >= 1700)
|
||||
#elif (defined(RAPIDJSON_GNUC) && (RAPIDJSON_GNUC >= RAPIDJSON_VERSION_CODE(4,6,0)) && defined(__GXX_EXPERIMENTAL_CXX0X__)) || \
|
||||
(defined(_MSC_VER) && _MSC_VER >= 1700) || \
|
||||
(defined(__SUNPRO_CC) && __SUNPRO_CC >= 0x5140 && defined(__GXX_EXPERIMENTAL_CXX0X__))
|
||||
#define RAPIDJSON_HAS_CXX11_RANGE_FOR 1
|
||||
#else
|
||||
#define RAPIDJSON_HAS_CXX11_RANGE_FOR 0
|
||||
#endif
|
||||
#endif // RAPIDJSON_HAS_CXX11_RANGE_FOR
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// C++17 features
|
||||
|
||||
#if defined(__has_cpp_attribute)
|
||||
# if __has_cpp_attribute(fallthrough)
|
||||
# define RAPIDJSON_DELIBERATE_FALLTHROUGH [[fallthrough]]
|
||||
# else
|
||||
# define RAPIDJSON_DELIBERATE_FALLTHROUGH
|
||||
# endif
|
||||
#else
|
||||
# define RAPIDJSON_DELIBERATE_FALLTHROUGH
|
||||
#endif
|
||||
|
||||
//!@endcond
|
||||
|
||||
//! Assertion (in non-throwing contexts).
|
||||
/*! \ingroup RAPIDJSON_CONFIG
|
||||
Some functions provide a \c noexcept guarantee, if the compiler supports it.
|
||||
In these cases, the \ref RAPIDJSON_ASSERT macro cannot be overridden to
|
||||
throw an exception. This macro adds a separate customization point for
|
||||
such cases.
|
||||
|
||||
Defaults to C \c assert() (as \ref RAPIDJSON_ASSERT), if \c noexcept is
|
||||
supported, and to \ref RAPIDJSON_ASSERT otherwise.
|
||||
*/
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// RAPIDJSON_NOEXCEPT_ASSERT
|
||||
|
||||
#ifndef RAPIDJSON_NOEXCEPT_ASSERT
|
||||
#ifdef RAPIDJSON_ASSERT_THROWS
|
||||
#if RAPIDJSON_HAS_CXX11_NOEXCEPT
|
||||
#define RAPIDJSON_NOEXCEPT_ASSERT(x)
|
||||
#else
|
||||
#include <cassert>
|
||||
#define RAPIDJSON_NOEXCEPT_ASSERT(x) assert(x)
|
||||
#endif // RAPIDJSON_HAS_CXX11_NOEXCEPT
|
||||
#else
|
||||
#define RAPIDJSON_NOEXCEPT_ASSERT(x) RAPIDJSON_ASSERT(x)
|
||||
#endif // RAPIDJSON_ASSERT_THROWS
|
||||
#endif // RAPIDJSON_NOEXCEPT_ASSERT
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// new/delete
|
||||
|
||||
#ifndef RAPIDJSON_NEW
|
||||
///! customization point for global \c new
|
||||
#define RAPIDJSON_NEW(x) new x
|
||||
#define RAPIDJSON_NEW(TypeName) new TypeName
|
||||
#endif
|
||||
#ifndef RAPIDJSON_DELETE
|
||||
///! customization point for global \c delete
|
||||
|
|
|
@ -20,6 +20,7 @@
|
|||
#include "allocators.h"
|
||||
#include "stream.h"
|
||||
#include "encodedstream.h"
|
||||
#include "internal/clzll.h"
|
||||
#include "internal/meta.h"
|
||||
#include "internal/stack.h"
|
||||
#include "internal/strtod.h"
|
||||
|
@ -33,12 +34,8 @@
|
|||
#include <nmmintrin.h>
|
||||
#elif defined(RAPIDJSON_SSE2)
|
||||
#include <emmintrin.h>
|
||||
#endif
|
||||
|
||||
#ifdef _MSC_VER
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant
|
||||
RAPIDJSON_DIAG_OFF(4702) // unreachable code
|
||||
#elif defined(RAPIDJSON_NEON)
|
||||
#include <arm_neon.h>
|
||||
#endif
|
||||
|
||||
#ifdef __clang__
|
||||
|
@ -46,6 +43,10 @@ RAPIDJSON_DIAG_PUSH
|
|||
RAPIDJSON_DIAG_OFF(old-style-cast)
|
||||
RAPIDJSON_DIAG_OFF(padded)
|
||||
RAPIDJSON_DIAG_OFF(switch-enum)
|
||||
#elif defined(_MSC_VER)
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant
|
||||
RAPIDJSON_DIAG_OFF(4702) // unreachable code
|
||||
#endif
|
||||
|
||||
#ifdef __GNUC__
|
||||
|
@ -299,16 +300,9 @@ inline const char *SkipWhitespace_SIMD(const char* p) {
|
|||
|
||||
for (;; p += 16) {
|
||||
const __m128i s = _mm_load_si128(reinterpret_cast<const __m128i *>(p));
|
||||
const int r = _mm_cvtsi128_si32(_mm_cmpistrm(w, s, _SIDD_UBYTE_OPS | _SIDD_CMP_EQUAL_ANY | _SIDD_BIT_MASK | _SIDD_NEGATIVE_POLARITY));
|
||||
if (r != 0) { // some of characters is non-whitespace
|
||||
#ifdef _MSC_VER // Find the index of first non-whitespace
|
||||
unsigned long offset;
|
||||
_BitScanForward(&offset, r);
|
||||
return p + offset;
|
||||
#else
|
||||
return p + __builtin_ffs(r) - 1;
|
||||
#endif
|
||||
}
|
||||
const int r = _mm_cmpistri(w, s, _SIDD_UBYTE_OPS | _SIDD_CMP_EQUAL_ANY | _SIDD_LEAST_SIGNIFICANT | _SIDD_NEGATIVE_POLARITY);
|
||||
if (r != 16) // some of characters is non-whitespace
|
||||
return p + r;
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -325,16 +319,9 @@ inline const char *SkipWhitespace_SIMD(const char* p, const char* end) {
|
|||
|
||||
for (; p <= end - 16; p += 16) {
|
||||
const __m128i s = _mm_loadu_si128(reinterpret_cast<const __m128i *>(p));
|
||||
const int r = _mm_cvtsi128_si32(_mm_cmpistrm(w, s, _SIDD_UBYTE_OPS | _SIDD_CMP_EQUAL_ANY | _SIDD_BIT_MASK | _SIDD_NEGATIVE_POLARITY));
|
||||
if (r != 0) { // some of characters is non-whitespace
|
||||
#ifdef _MSC_VER // Find the index of first non-whitespace
|
||||
unsigned long offset;
|
||||
_BitScanForward(&offset, r);
|
||||
return p + offset;
|
||||
#else
|
||||
return p + __builtin_ffs(r) - 1;
|
||||
#endif
|
||||
}
|
||||
const int r = _mm_cmpistri(w, s, _SIDD_UBYTE_OPS | _SIDD_CMP_EQUAL_ANY | _SIDD_LEAST_SIGNIFICANT | _SIDD_NEGATIVE_POLARITY);
|
||||
if (r != 16) // some of characters is non-whitespace
|
||||
return p + r;
|
||||
}
|
||||
|
||||
return SkipWhitespace(p, end);
|
||||
|
@ -425,7 +412,92 @@ inline const char *SkipWhitespace_SIMD(const char* p, const char* end) {
|
|||
return SkipWhitespace(p, end);
|
||||
}
|
||||
|
||||
#endif // RAPIDJSON_SSE2
|
||||
#elif defined(RAPIDJSON_NEON)
|
||||
|
||||
//! Skip whitespace with ARM Neon instructions, testing 16 8-byte characters at once.
|
||||
inline const char *SkipWhitespace_SIMD(const char* p) {
|
||||
// Fast return for single non-whitespace
|
||||
if (*p == ' ' || *p == '\n' || *p == '\r' || *p == '\t')
|
||||
++p;
|
||||
else
|
||||
return p;
|
||||
|
||||
// 16-byte align to the next boundary
|
||||
const char* nextAligned = reinterpret_cast<const char*>((reinterpret_cast<size_t>(p) + 15) & static_cast<size_t>(~15));
|
||||
while (p != nextAligned)
|
||||
if (*p == ' ' || *p == '\n' || *p == '\r' || *p == '\t')
|
||||
++p;
|
||||
else
|
||||
return p;
|
||||
|
||||
const uint8x16_t w0 = vmovq_n_u8(' ');
|
||||
const uint8x16_t w1 = vmovq_n_u8('\n');
|
||||
const uint8x16_t w2 = vmovq_n_u8('\r');
|
||||
const uint8x16_t w3 = vmovq_n_u8('\t');
|
||||
|
||||
for (;; p += 16) {
|
||||
const uint8x16_t s = vld1q_u8(reinterpret_cast<const uint8_t *>(p));
|
||||
uint8x16_t x = vceqq_u8(s, w0);
|
||||
x = vorrq_u8(x, vceqq_u8(s, w1));
|
||||
x = vorrq_u8(x, vceqq_u8(s, w2));
|
||||
x = vorrq_u8(x, vceqq_u8(s, w3));
|
||||
|
||||
x = vmvnq_u8(x); // Negate
|
||||
x = vrev64q_u8(x); // Rev in 64
|
||||
uint64_t low = vgetq_lane_u64(vreinterpretq_u64_u8(x), 0); // extract
|
||||
uint64_t high = vgetq_lane_u64(vreinterpretq_u64_u8(x), 1); // extract
|
||||
|
||||
if (low == 0) {
|
||||
if (high != 0) {
|
||||
uint32_t lz = RAPIDJSON_CLZLL(high);
|
||||
return p + 8 + (lz >> 3);
|
||||
}
|
||||
} else {
|
||||
uint32_t lz = RAPIDJSON_CLZLL(low);
|
||||
return p + (lz >> 3);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
inline const char *SkipWhitespace_SIMD(const char* p, const char* end) {
|
||||
// Fast return for single non-whitespace
|
||||
if (p != end && (*p == ' ' || *p == '\n' || *p == '\r' || *p == '\t'))
|
||||
++p;
|
||||
else
|
||||
return p;
|
||||
|
||||
const uint8x16_t w0 = vmovq_n_u8(' ');
|
||||
const uint8x16_t w1 = vmovq_n_u8('\n');
|
||||
const uint8x16_t w2 = vmovq_n_u8('\r');
|
||||
const uint8x16_t w3 = vmovq_n_u8('\t');
|
||||
|
||||
for (; p <= end - 16; p += 16) {
|
||||
const uint8x16_t s = vld1q_u8(reinterpret_cast<const uint8_t *>(p));
|
||||
uint8x16_t x = vceqq_u8(s, w0);
|
||||
x = vorrq_u8(x, vceqq_u8(s, w1));
|
||||
x = vorrq_u8(x, vceqq_u8(s, w2));
|
||||
x = vorrq_u8(x, vceqq_u8(s, w3));
|
||||
|
||||
x = vmvnq_u8(x); // Negate
|
||||
x = vrev64q_u8(x); // Rev in 64
|
||||
uint64_t low = vgetq_lane_u64(vreinterpretq_u64_u8(x), 0); // extract
|
||||
uint64_t high = vgetq_lane_u64(vreinterpretq_u64_u8(x), 1); // extract
|
||||
|
||||
if (low == 0) {
|
||||
if (high != 0) {
|
||||
uint32_t lz = RAPIDJSON_CLZLL(high);
|
||||
return p + 8 + (lz >> 3);
|
||||
}
|
||||
} else {
|
||||
uint32_t lz = RAPIDJSON_CLZLL(low);
|
||||
return p + (lz >> 3);
|
||||
}
|
||||
}
|
||||
|
||||
return SkipWhitespace(p, end);
|
||||
}
|
||||
|
||||
#endif // RAPIDJSON_NEON
|
||||
|
||||
#ifdef RAPIDJSON_SIMD
|
||||
//! Template function specialization for InsituStringStream
|
||||
|
@ -471,7 +543,8 @@ public:
|
|||
/*! \param stackAllocator Optional allocator for allocating stack memory. (Only use for non-destructive parsing)
|
||||
\param stackCapacity stack capacity in bytes for storing a single decoded string. (Only use for non-destructive parsing)
|
||||
*/
|
||||
GenericReader(StackAllocator* stackAllocator = 0, size_t stackCapacity = kDefaultStackCapacity) : stack_(stackAllocator, stackCapacity), parseResult_() {}
|
||||
GenericReader(StackAllocator* stackAllocator = 0, size_t stackCapacity = kDefaultStackCapacity) :
|
||||
stack_(stackAllocator, stackCapacity), parseResult_(), state_(IterativeParsingStartState) {}
|
||||
|
||||
//! Parse JSON text.
|
||||
/*! \tparam parseFlags Combination of \ref ParseFlag.
|
||||
|
@ -527,7 +600,84 @@ public:
|
|||
return Parse<kParseDefaultFlags>(is, handler);
|
||||
}
|
||||
|
||||
//! Whether a parse error has occured in the last parsing.
|
||||
//! Initialize JSON text token-by-token parsing
|
||||
/*!
|
||||
*/
|
||||
void IterativeParseInit() {
|
||||
parseResult_.Clear();
|
||||
state_ = IterativeParsingStartState;
|
||||
}
|
||||
|
||||
//! Parse one token from JSON text
|
||||
/*! \tparam InputStream Type of input stream, implementing Stream concept
|
||||
\tparam Handler Type of handler, implementing Handler concept.
|
||||
\param is Input stream to be parsed.
|
||||
\param handler The handler to receive events.
|
||||
\return Whether the parsing is successful.
|
||||
*/
|
||||
template <unsigned parseFlags, typename InputStream, typename Handler>
|
||||
bool IterativeParseNext(InputStream& is, Handler& handler) {
|
||||
while (RAPIDJSON_LIKELY(is.Peek() != '\0')) {
|
||||
SkipWhitespaceAndComments<parseFlags>(is);
|
||||
|
||||
Token t = Tokenize(is.Peek());
|
||||
IterativeParsingState n = Predict(state_, t);
|
||||
IterativeParsingState d = Transit<parseFlags>(state_, t, n, is, handler);
|
||||
|
||||
// If we've finished or hit an error...
|
||||
if (RAPIDJSON_UNLIKELY(IsIterativeParsingCompleteState(d))) {
|
||||
// Report errors.
|
||||
if (d == IterativeParsingErrorState) {
|
||||
HandleError(state_, is);
|
||||
return false;
|
||||
}
|
||||
|
||||
// Transition to the finish state.
|
||||
RAPIDJSON_ASSERT(d == IterativeParsingFinishState);
|
||||
state_ = d;
|
||||
|
||||
// If StopWhenDone is not set...
|
||||
if (!(parseFlags & kParseStopWhenDoneFlag)) {
|
||||
// ... and extra non-whitespace data is found...
|
||||
SkipWhitespaceAndComments<parseFlags>(is);
|
||||
if (is.Peek() != '\0') {
|
||||
// ... this is considered an error.
|
||||
HandleError(state_, is);
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
// Success! We are done!
|
||||
return true;
|
||||
}
|
||||
|
||||
// Transition to the new state.
|
||||
state_ = d;
|
||||
|
||||
// If we parsed anything other than a delimiter, we invoked the handler, so we can return true now.
|
||||
if (!IsIterativeParsingDelimiterState(n))
|
||||
return true;
|
||||
}
|
||||
|
||||
// We reached the end of file.
|
||||
stack_.Clear();
|
||||
|
||||
if (state_ != IterativeParsingFinishState) {
|
||||
HandleError(state_, is);
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
//! Check if token-by-token parsing JSON text is complete
|
||||
/*! \return Whether the JSON has been fully decoded.
|
||||
*/
|
||||
RAPIDJSON_FORCEINLINE bool IterativeParseComplete() const {
|
||||
return IsIterativeParsingCompleteState(state_);
|
||||
}
|
||||
|
||||
//! Whether a parse error has occurred in the last parsing.
|
||||
bool HasParseError() const { return parseResult_.IsError(); }
|
||||
|
||||
//! Get the \ref ParseErrorCode of last parsing.
|
||||
|
@ -575,7 +725,7 @@ private:
|
|||
}
|
||||
}
|
||||
else if (RAPIDJSON_LIKELY(Consume(is, '/')))
|
||||
while (is.Peek() != '\0' && is.Take() != '\n');
|
||||
while (is.Peek() != '\0' && is.Take() != '\n') {}
|
||||
else
|
||||
RAPIDJSON_PARSE_ERROR(kParseErrorUnspecificSyntaxError, is.Tell());
|
||||
|
||||
|
@ -750,7 +900,7 @@ private:
|
|||
return false;
|
||||
}
|
||||
|
||||
// Helper function to parse four hexidecimal digits in \uXXXX in ParseString().
|
||||
// Helper function to parse four hexadecimal digits in \uXXXX in ParseString().
|
||||
template<typename InputStream>
|
||||
unsigned ParseHex4(InputStream& is, size_t escapeOffset) {
|
||||
unsigned codepoint = 0;
|
||||
|
@ -857,7 +1007,7 @@ private:
|
|||
|
||||
Ch c = is.Peek();
|
||||
if (RAPIDJSON_UNLIKELY(c == '\\')) { // Escape
|
||||
size_t escapeOffset = is.Tell(); // For invalid escaping, report the inital '\\' as error offset
|
||||
size_t escapeOffset = is.Tell(); // For invalid escaping, report the initial '\\' as error offset
|
||||
is.Take();
|
||||
Ch e = is.Peek();
|
||||
if ((sizeof(Ch) == 1 || unsigned(e) < 256) && RAPIDJSON_LIKELY(escape[static_cast<unsigned char>(e)])) {
|
||||
|
@ -892,7 +1042,7 @@ private:
|
|||
if (c == '\0')
|
||||
RAPIDJSON_PARSE_ERROR(kParseErrorStringMissQuotationMark, is.Tell());
|
||||
else
|
||||
RAPIDJSON_PARSE_ERROR(kParseErrorStringEscapeInvalid, is.Tell());
|
||||
RAPIDJSON_PARSE_ERROR(kParseErrorStringInvalidEncoding, is.Tell());
|
||||
}
|
||||
else {
|
||||
size_t offset = is.Tell();
|
||||
|
@ -927,7 +1077,7 @@ private:
|
|||
// The rest of string using SIMD
|
||||
static const char dquote[16] = { '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"' };
|
||||
static const char bslash[16] = { '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\' };
|
||||
static const char space[16] = { 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19 };
|
||||
static const char space[16] = { 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F };
|
||||
const __m128i dq = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&dquote[0]));
|
||||
const __m128i bs = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&bslash[0]));
|
||||
const __m128i sp = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&space[0]));
|
||||
|
@ -936,7 +1086,7 @@ private:
|
|||
const __m128i s = _mm_load_si128(reinterpret_cast<const __m128i *>(p));
|
||||
const __m128i t1 = _mm_cmpeq_epi8(s, dq);
|
||||
const __m128i t2 = _mm_cmpeq_epi8(s, bs);
|
||||
const __m128i t3 = _mm_cmpeq_epi8(_mm_max_epu8(s, sp), sp); // s < 0x20 <=> max(s, 0x19) == 0x19
|
||||
const __m128i t3 = _mm_cmpeq_epi8(_mm_max_epu8(s, sp), sp); // s < 0x20 <=> max(s, 0x1F) == 0x1F
|
||||
const __m128i x = _mm_or_si128(_mm_or_si128(t1, t2), t3);
|
||||
unsigned short r = static_cast<unsigned short>(_mm_movemask_epi8(x));
|
||||
if (RAPIDJSON_UNLIKELY(r != 0)) { // some of characters is escaped
|
||||
|
@ -948,11 +1098,13 @@ private:
|
|||
#else
|
||||
length = static_cast<SizeType>(__builtin_ffs(r) - 1);
|
||||
#endif
|
||||
if (length != 0) {
|
||||
char* q = reinterpret_cast<char*>(os.Push(length));
|
||||
for (size_t i = 0; i < length; i++)
|
||||
q[i] = p[i];
|
||||
|
||||
p += length;
|
||||
}
|
||||
break;
|
||||
}
|
||||
_mm_storeu_si128(reinterpret_cast<__m128i *>(os.Push(16)), s);
|
||||
|
@ -988,7 +1140,7 @@ private:
|
|||
// The rest of string using SIMD
|
||||
static const char dquote[16] = { '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"' };
|
||||
static const char bslash[16] = { '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\' };
|
||||
static const char space[16] = { 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19 };
|
||||
static const char space[16] = { 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F };
|
||||
const __m128i dq = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&dquote[0]));
|
||||
const __m128i bs = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&bslash[0]));
|
||||
const __m128i sp = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&space[0]));
|
||||
|
@ -997,7 +1149,7 @@ private:
|
|||
const __m128i s = _mm_load_si128(reinterpret_cast<const __m128i *>(p));
|
||||
const __m128i t1 = _mm_cmpeq_epi8(s, dq);
|
||||
const __m128i t2 = _mm_cmpeq_epi8(s, bs);
|
||||
const __m128i t3 = _mm_cmpeq_epi8(_mm_max_epu8(s, sp), sp); // s < 0x20 <=> max(s, 0x19) == 0x19
|
||||
const __m128i t3 = _mm_cmpeq_epi8(_mm_max_epu8(s, sp), sp); // s < 0x20 <=> max(s, 0x1F) == 0x1F
|
||||
const __m128i x = _mm_or_si128(_mm_or_si128(t1, t2), t3);
|
||||
unsigned short r = static_cast<unsigned short>(_mm_movemask_epi8(x));
|
||||
if (RAPIDJSON_UNLIKELY(r != 0)) { // some of characters is escaped
|
||||
|
@ -1036,7 +1188,7 @@ private:
|
|||
// The rest of string using SIMD
|
||||
static const char dquote[16] = { '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"' };
|
||||
static const char bslash[16] = { '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\' };
|
||||
static const char space[16] = { 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19 };
|
||||
static const char space[16] = { 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F };
|
||||
const __m128i dq = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&dquote[0]));
|
||||
const __m128i bs = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&bslash[0]));
|
||||
const __m128i sp = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&space[0]));
|
||||
|
@ -1045,7 +1197,7 @@ private:
|
|||
const __m128i s = _mm_load_si128(reinterpret_cast<const __m128i *>(p));
|
||||
const __m128i t1 = _mm_cmpeq_epi8(s, dq);
|
||||
const __m128i t2 = _mm_cmpeq_epi8(s, bs);
|
||||
const __m128i t3 = _mm_cmpeq_epi8(_mm_max_epu8(s, sp), sp); // s < 0x20 <=> max(s, 0x19) == 0x19
|
||||
const __m128i t3 = _mm_cmpeq_epi8(_mm_max_epu8(s, sp), sp); // s < 0x20 <=> max(s, 0x1F) == 0x1F
|
||||
const __m128i x = _mm_or_si128(_mm_or_si128(t1, t2), t3);
|
||||
unsigned short r = static_cast<unsigned short>(_mm_movemask_epi8(x));
|
||||
if (RAPIDJSON_UNLIKELY(r != 0)) { // some of characters is escaped
|
||||
|
@ -1064,7 +1216,180 @@ private:
|
|||
|
||||
is.src_ = is.dst_ = p;
|
||||
}
|
||||
#endif
|
||||
#elif defined(RAPIDJSON_NEON)
|
||||
// StringStream -> StackStream<char>
|
||||
static RAPIDJSON_FORCEINLINE void ScanCopyUnescapedString(StringStream& is, StackStream<char>& os) {
|
||||
const char* p = is.src_;
|
||||
|
||||
// Scan one by one until alignment (unaligned load may cross page boundary and cause crash)
|
||||
const char* nextAligned = reinterpret_cast<const char*>((reinterpret_cast<size_t>(p) + 15) & static_cast<size_t>(~15));
|
||||
while (p != nextAligned)
|
||||
if (RAPIDJSON_UNLIKELY(*p == '\"') || RAPIDJSON_UNLIKELY(*p == '\\') || RAPIDJSON_UNLIKELY(static_cast<unsigned>(*p) < 0x20)) {
|
||||
is.src_ = p;
|
||||
return;
|
||||
}
|
||||
else
|
||||
os.Put(*p++);
|
||||
|
||||
// The rest of string using SIMD
|
||||
const uint8x16_t s0 = vmovq_n_u8('"');
|
||||
const uint8x16_t s1 = vmovq_n_u8('\\');
|
||||
const uint8x16_t s2 = vmovq_n_u8('\b');
|
||||
const uint8x16_t s3 = vmovq_n_u8(32);
|
||||
|
||||
for (;; p += 16) {
|
||||
const uint8x16_t s = vld1q_u8(reinterpret_cast<const uint8_t *>(p));
|
||||
uint8x16_t x = vceqq_u8(s, s0);
|
||||
x = vorrq_u8(x, vceqq_u8(s, s1));
|
||||
x = vorrq_u8(x, vceqq_u8(s, s2));
|
||||
x = vorrq_u8(x, vcltq_u8(s, s3));
|
||||
|
||||
x = vrev64q_u8(x); // Rev in 64
|
||||
uint64_t low = vgetq_lane_u64(vreinterpretq_u64_u8(x), 0); // extract
|
||||
uint64_t high = vgetq_lane_u64(vreinterpretq_u64_u8(x), 1); // extract
|
||||
|
||||
SizeType length = 0;
|
||||
bool escaped = false;
|
||||
if (low == 0) {
|
||||
if (high != 0) {
|
||||
uint32_t lz = RAPIDJSON_CLZLL(high);
|
||||
length = 8 + (lz >> 3);
|
||||
escaped = true;
|
||||
}
|
||||
} else {
|
||||
uint32_t lz = RAPIDJSON_CLZLL(low);
|
||||
length = lz >> 3;
|
||||
escaped = true;
|
||||
}
|
||||
if (RAPIDJSON_UNLIKELY(escaped)) { // some of characters is escaped
|
||||
if (length != 0) {
|
||||
char* q = reinterpret_cast<char*>(os.Push(length));
|
||||
for (size_t i = 0; i < length; i++)
|
||||
q[i] = p[i];
|
||||
|
||||
p += length;
|
||||
}
|
||||
break;
|
||||
}
|
||||
vst1q_u8(reinterpret_cast<uint8_t *>(os.Push(16)), s);
|
||||
}
|
||||
|
||||
is.src_ = p;
|
||||
}
|
||||
|
||||
// InsituStringStream -> InsituStringStream
|
||||
static RAPIDJSON_FORCEINLINE void ScanCopyUnescapedString(InsituStringStream& is, InsituStringStream& os) {
|
||||
RAPIDJSON_ASSERT(&is == &os);
|
||||
(void)os;
|
||||
|
||||
if (is.src_ == is.dst_) {
|
||||
SkipUnescapedString(is);
|
||||
return;
|
||||
}
|
||||
|
||||
char* p = is.src_;
|
||||
char *q = is.dst_;
|
||||
|
||||
// Scan one by one until alignment (unaligned load may cross page boundary and cause crash)
|
||||
const char* nextAligned = reinterpret_cast<const char*>((reinterpret_cast<size_t>(p) + 15) & static_cast<size_t>(~15));
|
||||
while (p != nextAligned)
|
||||
if (RAPIDJSON_UNLIKELY(*p == '\"') || RAPIDJSON_UNLIKELY(*p == '\\') || RAPIDJSON_UNLIKELY(static_cast<unsigned>(*p) < 0x20)) {
|
||||
is.src_ = p;
|
||||
is.dst_ = q;
|
||||
return;
|
||||
}
|
||||
else
|
||||
*q++ = *p++;
|
||||
|
||||
// The rest of string using SIMD
|
||||
const uint8x16_t s0 = vmovq_n_u8('"');
|
||||
const uint8x16_t s1 = vmovq_n_u8('\\');
|
||||
const uint8x16_t s2 = vmovq_n_u8('\b');
|
||||
const uint8x16_t s3 = vmovq_n_u8(32);
|
||||
|
||||
for (;; p += 16, q += 16) {
|
||||
const uint8x16_t s = vld1q_u8(reinterpret_cast<uint8_t *>(p));
|
||||
uint8x16_t x = vceqq_u8(s, s0);
|
||||
x = vorrq_u8(x, vceqq_u8(s, s1));
|
||||
x = vorrq_u8(x, vceqq_u8(s, s2));
|
||||
x = vorrq_u8(x, vcltq_u8(s, s3));
|
||||
|
||||
x = vrev64q_u8(x); // Rev in 64
|
||||
uint64_t low = vgetq_lane_u64(vreinterpretq_u64_u8(x), 0); // extract
|
||||
uint64_t high = vgetq_lane_u64(vreinterpretq_u64_u8(x), 1); // extract
|
||||
|
||||
SizeType length = 0;
|
||||
bool escaped = false;
|
||||
if (low == 0) {
|
||||
if (high != 0) {
|
||||
uint32_t lz = RAPIDJSON_CLZLL(high);
|
||||
length = 8 + (lz >> 3);
|
||||
escaped = true;
|
||||
}
|
||||
} else {
|
||||
uint32_t lz = RAPIDJSON_CLZLL(low);
|
||||
length = lz >> 3;
|
||||
escaped = true;
|
||||
}
|
||||
if (RAPIDJSON_UNLIKELY(escaped)) { // some of characters is escaped
|
||||
for (const char* pend = p + length; p != pend; ) {
|
||||
*q++ = *p++;
|
||||
}
|
||||
break;
|
||||
}
|
||||
vst1q_u8(reinterpret_cast<uint8_t *>(q), s);
|
||||
}
|
||||
|
||||
is.src_ = p;
|
||||
is.dst_ = q;
|
||||
}
|
||||
|
||||
// When read/write pointers are the same for insitu stream, just skip unescaped characters
|
||||
static RAPIDJSON_FORCEINLINE void SkipUnescapedString(InsituStringStream& is) {
|
||||
RAPIDJSON_ASSERT(is.src_ == is.dst_);
|
||||
char* p = is.src_;
|
||||
|
||||
// Scan one by one until alignment (unaligned load may cross page boundary and cause crash)
|
||||
const char* nextAligned = reinterpret_cast<const char*>((reinterpret_cast<size_t>(p) + 15) & static_cast<size_t>(~15));
|
||||
for (; p != nextAligned; p++)
|
||||
if (RAPIDJSON_UNLIKELY(*p == '\"') || RAPIDJSON_UNLIKELY(*p == '\\') || RAPIDJSON_UNLIKELY(static_cast<unsigned>(*p) < 0x20)) {
|
||||
is.src_ = is.dst_ = p;
|
||||
return;
|
||||
}
|
||||
|
||||
// The rest of string using SIMD
|
||||
const uint8x16_t s0 = vmovq_n_u8('"');
|
||||
const uint8x16_t s1 = vmovq_n_u8('\\');
|
||||
const uint8x16_t s2 = vmovq_n_u8('\b');
|
||||
const uint8x16_t s3 = vmovq_n_u8(32);
|
||||
|
||||
for (;; p += 16) {
|
||||
const uint8x16_t s = vld1q_u8(reinterpret_cast<uint8_t *>(p));
|
||||
uint8x16_t x = vceqq_u8(s, s0);
|
||||
x = vorrq_u8(x, vceqq_u8(s, s1));
|
||||
x = vorrq_u8(x, vceqq_u8(s, s2));
|
||||
x = vorrq_u8(x, vcltq_u8(s, s3));
|
||||
|
||||
x = vrev64q_u8(x); // Rev in 64
|
||||
uint64_t low = vgetq_lane_u64(vreinterpretq_u64_u8(x), 0); // extract
|
||||
uint64_t high = vgetq_lane_u64(vreinterpretq_u64_u8(x), 1); // extract
|
||||
|
||||
if (low == 0) {
|
||||
if (high != 0) {
|
||||
uint32_t lz = RAPIDJSON_CLZLL(high);
|
||||
p += 8 + (lz >> 3);
|
||||
break;
|
||||
}
|
||||
} else {
|
||||
uint32_t lz = RAPIDJSON_CLZLL(low);
|
||||
p += lz >> 3;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
is.src_ = is.dst_ = p;
|
||||
}
|
||||
#endif // RAPIDJSON_NEON
|
||||
|
||||
template<typename InputStream, bool backup, bool pushOnTake>
|
||||
class NumberStream;
|
||||
|
@ -1075,7 +1400,6 @@ private:
|
|||
typedef typename InputStream::Ch Ch;
|
||||
|
||||
NumberStream(GenericReader& reader, InputStream& s) : is(s) { (void)reader; }
|
||||
~NumberStream() {}
|
||||
|
||||
RAPIDJSON_FORCEINLINE Ch Peek() const { return is.Peek(); }
|
||||
RAPIDJSON_FORCEINLINE Ch TakePush() { return is.Take(); }
|
||||
|
@ -1097,7 +1421,6 @@ private:
|
|||
typedef NumberStream<InputStream, false, false> Base;
|
||||
public:
|
||||
NumberStream(GenericReader& reader, InputStream& is) : Base(reader, is), stackStream(reader.stack_) {}
|
||||
~NumberStream() {}
|
||||
|
||||
RAPIDJSON_FORCEINLINE Ch TakePush() {
|
||||
stackStream.Put(static_cast<char>(Base::is.Peek()));
|
||||
|
@ -1124,7 +1447,6 @@ private:
|
|||
typedef NumberStream<InputStream, true, false> Base;
|
||||
public:
|
||||
NumberStream(GenericReader& reader, InputStream& is) : Base(reader, is) {}
|
||||
~NumberStream() {}
|
||||
|
||||
RAPIDJSON_FORCEINLINE Ch Take() { return Base::TakePush(); }
|
||||
};
|
||||
|
@ -1185,19 +1507,28 @@ private:
|
|||
}
|
||||
// Parse NaN or Infinity here
|
||||
else if ((parseFlags & kParseNanAndInfFlag) && RAPIDJSON_LIKELY((s.Peek() == 'I' || s.Peek() == 'N'))) {
|
||||
useNanOrInf = true;
|
||||
if (RAPIDJSON_LIKELY(Consume(s, 'N') && Consume(s, 'a') && Consume(s, 'N'))) {
|
||||
if (Consume(s, 'N')) {
|
||||
if (Consume(s, 'a') && Consume(s, 'N')) {
|
||||
d = std::numeric_limits<double>::quiet_NaN();
|
||||
useNanOrInf = true;
|
||||
}
|
||||
else if (RAPIDJSON_LIKELY(Consume(s, 'I') && Consume(s, 'n') && Consume(s, 'f'))) {
|
||||
}
|
||||
else if (RAPIDJSON_LIKELY(Consume(s, 'I'))) {
|
||||
if (Consume(s, 'n') && Consume(s, 'f')) {
|
||||
d = (minus ? -std::numeric_limits<double>::infinity() : std::numeric_limits<double>::infinity());
|
||||
useNanOrInf = true;
|
||||
|
||||
if (RAPIDJSON_UNLIKELY(s.Peek() == 'i' && !(Consume(s, 'i') && Consume(s, 'n')
|
||||
&& Consume(s, 'i') && Consume(s, 't') && Consume(s, 'y'))))
|
||||
&& Consume(s, 'i') && Consume(s, 't') && Consume(s, 'y')))) {
|
||||
RAPIDJSON_PARSE_ERROR(kParseErrorValueInvalid, s.Tell());
|
||||
}
|
||||
else
|
||||
}
|
||||
}
|
||||
|
||||
if (RAPIDJSON_UNLIKELY(!useNanOrInf)) {
|
||||
RAPIDJSON_PARSE_ERROR(kParseErrorValueInvalid, s.Tell());
|
||||
}
|
||||
}
|
||||
else
|
||||
RAPIDJSON_PARSE_ERROR(kParseErrorValueInvalid, s.Tell());
|
||||
|
||||
|
@ -1231,8 +1562,6 @@ private:
|
|||
// Force double for big integer
|
||||
if (useDouble) {
|
||||
while (RAPIDJSON_LIKELY(s.Peek() >= '0' && s.Peek() <= '9')) {
|
||||
if (RAPIDJSON_UNLIKELY(d >= 1.7976931348623157e307)) // DBL_MAX / 10.0
|
||||
RAPIDJSON_PARSE_ERROR(kParseErrorNumberTooBig, startOffset);
|
||||
d = d * 10 + (s.TakePush() - '0');
|
||||
}
|
||||
}
|
||||
|
@ -1302,9 +1631,18 @@ private:
|
|||
if (RAPIDJSON_LIKELY(s.Peek() >= '0' && s.Peek() <= '9')) {
|
||||
exp = static_cast<int>(s.Take() - '0');
|
||||
if (expMinus) {
|
||||
// (exp + expFrac) must not underflow int => we're detecting when -exp gets
|
||||
// dangerously close to INT_MIN (a pessimistic next digit 9 would push it into
|
||||
// underflow territory):
|
||||
//
|
||||
// -(exp * 10 + 9) + expFrac >= INT_MIN
|
||||
// <=> exp <= (expFrac - INT_MIN - 9) / 10
|
||||
RAPIDJSON_ASSERT(expFrac <= 0);
|
||||
int maxExp = (expFrac + 2147483639) / 10;
|
||||
|
||||
while (RAPIDJSON_LIKELY(s.Peek() >= '0' && s.Peek() <= '9')) {
|
||||
exp = exp * 10 + static_cast<int>(s.Take() - '0');
|
||||
if (exp >= 214748364) { // Issue #313: prevent overflow exponent
|
||||
if (RAPIDJSON_UNLIKELY(exp > maxExp)) {
|
||||
while (RAPIDJSON_UNLIKELY(s.Peek() >= '0' && s.Peek() <= '9')) // Consume the rest of exponent
|
||||
s.Take();
|
||||
}
|
||||
|
@ -1363,6 +1701,13 @@ private:
|
|||
else
|
||||
d = internal::StrtodNormalPrecision(d, p);
|
||||
|
||||
// Use > max, instead of == inf, to fix bogus warning -Wfloat-equal
|
||||
if (d > (std::numeric_limits<double>::max)()) {
|
||||
// Overflow
|
||||
// TODO: internal::StrtodX should report overflow (or underflow)
|
||||
RAPIDJSON_PARSE_ERROR(kParseErrorNumberTooBig, startOffset);
|
||||
}
|
||||
|
||||
cont = handler.Double(minus ? -d : d);
|
||||
}
|
||||
else if (useNanOrInf) {
|
||||
|
@ -1408,29 +1753,31 @@ private:
|
|||
|
||||
// States
|
||||
enum IterativeParsingState {
|
||||
IterativeParsingStartState = 0,
|
||||
IterativeParsingFinishState,
|
||||
IterativeParsingErrorState,
|
||||
IterativeParsingFinishState = 0, // sink states at top
|
||||
IterativeParsingErrorState, // sink states at top
|
||||
IterativeParsingStartState,
|
||||
|
||||
// Object states
|
||||
IterativeParsingObjectInitialState,
|
||||
IterativeParsingMemberKeyState,
|
||||
IterativeParsingKeyValueDelimiterState,
|
||||
IterativeParsingMemberValueState,
|
||||
IterativeParsingMemberDelimiterState,
|
||||
IterativeParsingObjectFinishState,
|
||||
|
||||
// Array states
|
||||
IterativeParsingArrayInitialState,
|
||||
IterativeParsingElementState,
|
||||
IterativeParsingElementDelimiterState,
|
||||
IterativeParsingArrayFinishState,
|
||||
|
||||
// Single value state
|
||||
IterativeParsingValueState
|
||||
};
|
||||
IterativeParsingValueState,
|
||||
|
||||
enum { cIterativeParsingStateCount = IterativeParsingValueState + 1 };
|
||||
// Delimiter states (at bottom)
|
||||
IterativeParsingElementDelimiterState,
|
||||
IterativeParsingMemberDelimiterState,
|
||||
IterativeParsingKeyValueDelimiterState,
|
||||
|
||||
cIterativeParsingStateCount
|
||||
};
|
||||
|
||||
// Tokens
|
||||
enum Token {
|
||||
|
@ -1452,7 +1799,7 @@ private:
|
|||
kTokenCount
|
||||
};
|
||||
|
||||
RAPIDJSON_FORCEINLINE Token Tokenize(Ch c) {
|
||||
RAPIDJSON_FORCEINLINE Token Tokenize(Ch c) const {
|
||||
|
||||
//!@cond RAPIDJSON_HIDDEN_FROM_DOXYGEN
|
||||
#define N NumberToken
|
||||
|
@ -1479,9 +1826,21 @@ private:
|
|||
return NumberToken;
|
||||
}
|
||||
|
||||
RAPIDJSON_FORCEINLINE IterativeParsingState Predict(IterativeParsingState state, Token token) {
|
||||
RAPIDJSON_FORCEINLINE IterativeParsingState Predict(IterativeParsingState state, Token token) const {
|
||||
// current state x one lookahead token -> new state
|
||||
static const char G[cIterativeParsingStateCount][kTokenCount] = {
|
||||
// Finish(sink state)
|
||||
{
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState
|
||||
},
|
||||
// Error(sink state)
|
||||
{
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState
|
||||
},
|
||||
// Start
|
||||
{
|
||||
IterativeParsingArrayInitialState, // Left bracket
|
||||
|
@ -1496,18 +1855,6 @@ private:
|
|||
IterativeParsingValueState, // Null
|
||||
IterativeParsingValueState // Number
|
||||
},
|
||||
// Finish(sink state)
|
||||
{
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState
|
||||
},
|
||||
// Error(sink state)
|
||||
{
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState
|
||||
},
|
||||
// ObjectInitial
|
||||
{
|
||||
IterativeParsingErrorState, // Left bracket
|
||||
|
@ -1536,20 +1883,6 @@ private:
|
|||
IterativeParsingErrorState, // Null
|
||||
IterativeParsingErrorState // Number
|
||||
},
|
||||
// KeyValueDelimiter
|
||||
{
|
||||
IterativeParsingArrayInitialState, // Left bracket(push MemberValue state)
|
||||
IterativeParsingErrorState, // Right bracket
|
||||
IterativeParsingObjectInitialState, // Left curly bracket(push MemberValue state)
|
||||
IterativeParsingErrorState, // Right curly bracket
|
||||
IterativeParsingErrorState, // Comma
|
||||
IterativeParsingErrorState, // Colon
|
||||
IterativeParsingMemberValueState, // String
|
||||
IterativeParsingMemberValueState, // False
|
||||
IterativeParsingMemberValueState, // True
|
||||
IterativeParsingMemberValueState, // Null
|
||||
IterativeParsingMemberValueState // Number
|
||||
},
|
||||
// MemberValue
|
||||
{
|
||||
IterativeParsingErrorState, // Left bracket
|
||||
|
@ -1564,20 +1897,6 @@ private:
|
|||
IterativeParsingErrorState, // Null
|
||||
IterativeParsingErrorState // Number
|
||||
},
|
||||
// MemberDelimiter
|
||||
{
|
||||
IterativeParsingErrorState, // Left bracket
|
||||
IterativeParsingErrorState, // Right bracket
|
||||
IterativeParsingErrorState, // Left curly bracket
|
||||
IterativeParsingObjectFinishState, // Right curly bracket
|
||||
IterativeParsingErrorState, // Comma
|
||||
IterativeParsingErrorState, // Colon
|
||||
IterativeParsingMemberKeyState, // String
|
||||
IterativeParsingErrorState, // False
|
||||
IterativeParsingErrorState, // True
|
||||
IterativeParsingErrorState, // Null
|
||||
IterativeParsingErrorState // Number
|
||||
},
|
||||
// ObjectFinish(sink state)
|
||||
{
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
|
@ -1612,6 +1931,18 @@ private:
|
|||
IterativeParsingErrorState, // Null
|
||||
IterativeParsingErrorState // Number
|
||||
},
|
||||
// ArrayFinish(sink state)
|
||||
{
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState
|
||||
},
|
||||
// Single Value (sink state)
|
||||
{
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState
|
||||
},
|
||||
// ElementDelimiter
|
||||
{
|
||||
IterativeParsingArrayInitialState, // Left bracket(push Element state)
|
||||
|
@ -1626,18 +1957,34 @@ private:
|
|||
IterativeParsingElementState, // Null
|
||||
IterativeParsingElementState // Number
|
||||
},
|
||||
// ArrayFinish(sink state)
|
||||
// MemberDelimiter
|
||||
{
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState
|
||||
IterativeParsingErrorState, // Left bracket
|
||||
IterativeParsingErrorState, // Right bracket
|
||||
IterativeParsingErrorState, // Left curly bracket
|
||||
IterativeParsingObjectFinishState, // Right curly bracket
|
||||
IterativeParsingErrorState, // Comma
|
||||
IterativeParsingErrorState, // Colon
|
||||
IterativeParsingMemberKeyState, // String
|
||||
IterativeParsingErrorState, // False
|
||||
IterativeParsingErrorState, // True
|
||||
IterativeParsingErrorState, // Null
|
||||
IterativeParsingErrorState // Number
|
||||
},
|
||||
// Single Value (sink state)
|
||||
// KeyValueDelimiter
|
||||
{
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState, IterativeParsingErrorState,
|
||||
IterativeParsingErrorState
|
||||
}
|
||||
IterativeParsingArrayInitialState, // Left bracket(push MemberValue state)
|
||||
IterativeParsingErrorState, // Right bracket
|
||||
IterativeParsingObjectInitialState, // Left curly bracket(push MemberValue state)
|
||||
IterativeParsingErrorState, // Right curly bracket
|
||||
IterativeParsingErrorState, // Comma
|
||||
IterativeParsingErrorState, // Colon
|
||||
IterativeParsingMemberValueState, // String
|
||||
IterativeParsingMemberValueState, // False
|
||||
IterativeParsingMemberValueState, // True
|
||||
IterativeParsingMemberValueState, // Null
|
||||
IterativeParsingMemberValueState // Number
|
||||
},
|
||||
}; // End of G
|
||||
|
||||
return static_cast<IterativeParsingState>(G[state][token]);
|
||||
|
@ -1818,6 +2165,14 @@ private:
|
|||
}
|
||||
}
|
||||
|
||||
RAPIDJSON_FORCEINLINE bool IsIterativeParsingDelimiterState(IterativeParsingState s) const {
|
||||
return s >= IterativeParsingElementDelimiterState;
|
||||
}
|
||||
|
||||
RAPIDJSON_FORCEINLINE bool IsIterativeParsingCompleteState(IterativeParsingState s) const {
|
||||
return s <= IterativeParsingErrorState;
|
||||
}
|
||||
|
||||
template <unsigned parseFlags, typename InputStream, typename Handler>
|
||||
ParseResult IterativeParse(InputStream& is, Handler& handler) {
|
||||
parseResult_.Clear();
|
||||
|
@ -1856,6 +2211,7 @@ private:
|
|||
static const size_t kDefaultStackCapacity = 256; //!< Default stack capacity in bytes for storing a single decoded string.
|
||||
internal::Stack<StackAllocator> stack_; //!< A stack for storing decoded string temporarily during non-destructive parsing.
|
||||
ParseResult parseResult_;
|
||||
IterativeParsingState state_;
|
||||
}; // class GenericReader
|
||||
|
||||
//! Reader with UTF8 encoding and default allocator.
|
||||
|
@ -1863,7 +2219,7 @@ typedef GenericReader<UTF8<>, UTF8<> > Reader;
|
|||
|
||||
RAPIDJSON_NAMESPACE_END
|
||||
|
||||
#ifdef __clang__
|
||||
#if defined(__clang__) || defined(_MSC_VER)
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
|
@ -1872,8 +2228,4 @@ RAPIDJSON_DIAG_POP
|
|||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
#ifdef _MSC_VER
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
#endif // RAPIDJSON_READER_H_
|
||||
|
|
File diff suppressed because it is too large
Load Diff
|
@ -100,6 +100,50 @@ inline void PutN(Stream& stream, Ch c, size_t n) {
|
|||
PutUnsafe(stream, c);
|
||||
}
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// GenericStreamWrapper
|
||||
|
||||
//! A Stream Wrapper
|
||||
/*! \tThis string stream is a wrapper for any stream by just forwarding any
|
||||
\treceived message to the origin stream.
|
||||
\note implements Stream concept
|
||||
*/
|
||||
|
||||
#if defined(_MSC_VER) && _MSC_VER <= 1800
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(4702) // unreachable code
|
||||
RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
|
||||
#endif
|
||||
|
||||
template <typename InputStream, typename Encoding = UTF8<> >
|
||||
class GenericStreamWrapper {
|
||||
public:
|
||||
typedef typename Encoding::Ch Ch;
|
||||
GenericStreamWrapper(InputStream& is): is_(is) {}
|
||||
|
||||
Ch Peek() const { return is_.Peek(); }
|
||||
Ch Take() { return is_.Take(); }
|
||||
size_t Tell() { return is_.Tell(); }
|
||||
Ch* PutBegin() { return is_.PutBegin(); }
|
||||
void Put(Ch ch) { is_.Put(ch); }
|
||||
void Flush() { is_.Flush(); }
|
||||
size_t PutEnd(Ch* ch) { return is_.PutEnd(ch); }
|
||||
|
||||
// wrapper for MemoryStream
|
||||
const Ch* Peek4() const { return is_.Peek4(); }
|
||||
|
||||
// wrapper for AutoUTFInputStream
|
||||
UTFType GetType() const { return is_.GetType(); }
|
||||
bool HasBOM() const { return is_.HasBOM(); }
|
||||
|
||||
protected:
|
||||
InputStream& is_;
|
||||
};
|
||||
|
||||
#if defined(_MSC_VER) && _MSC_VER <= 1800
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
// StringStream
|
||||
|
||||
|
|
|
@ -78,8 +78,12 @@ public:
|
|||
return stack_.template Bottom<Ch>();
|
||||
}
|
||||
|
||||
//! Get the size of string in bytes in the string buffer.
|
||||
size_t GetSize() const { return stack_.GetSize(); }
|
||||
|
||||
//! Get the length of string in Ch in the string buffer.
|
||||
size_t GetLength() const { return stack_.GetSize() / sizeof(Ch); }
|
||||
|
||||
static const size_t kDefaultCapacity = 256;
|
||||
mutable internal::Stack<Allocator> stack_;
|
||||
|
||||
|
|
|
@ -16,6 +16,8 @@
|
|||
#define RAPIDJSON_WRITER_H_
|
||||
|
||||
#include "stream.h"
|
||||
#include "internal/clzll.h"
|
||||
#include "internal/meta.h"
|
||||
#include "internal/stack.h"
|
||||
#include "internal/strfunc.h"
|
||||
#include "internal/dtoa.h"
|
||||
|
@ -31,17 +33,18 @@
|
|||
#include <nmmintrin.h>
|
||||
#elif defined(RAPIDJSON_SSE2)
|
||||
#include <emmintrin.h>
|
||||
#endif
|
||||
|
||||
#ifdef _MSC_VER
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant
|
||||
#elif defined(RAPIDJSON_NEON)
|
||||
#include <arm_neon.h>
|
||||
#endif
|
||||
|
||||
#ifdef __clang__
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(padded)
|
||||
RAPIDJSON_DIAG_OFF(unreachable-code)
|
||||
RAPIDJSON_DIAG_OFF(c++98-compat)
|
||||
#elif defined(_MSC_VER)
|
||||
RAPIDJSON_DIAG_PUSH
|
||||
RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant
|
||||
#endif
|
||||
|
||||
RAPIDJSON_NAMESPACE_BEGIN
|
||||
|
@ -103,6 +106,13 @@ public:
|
|||
Writer(StackAllocator* allocator = 0, size_t levelDepth = kDefaultLevelDepth) :
|
||||
os_(0), level_stack_(allocator, levelDepth * sizeof(Level)), maxDecimalPlaces_(kDefaultMaxDecimalPlaces), hasRoot_(false) {}
|
||||
|
||||
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
||||
Writer(Writer&& rhs) :
|
||||
os_(rhs.os_), level_stack_(std::move(rhs.level_stack_)), maxDecimalPlaces_(rhs.maxDecimalPlaces_), hasRoot_(rhs.hasRoot_) {
|
||||
rhs.os_ = 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
//! Reset the writer with a new stream.
|
||||
/*!
|
||||
This function reset the writer with a new stream and default settings,
|
||||
|
@ -184,12 +194,14 @@ public:
|
|||
bool Double(double d) { Prefix(kNumberType); return EndValue(WriteDouble(d)); }
|
||||
|
||||
bool RawNumber(const Ch* str, SizeType length, bool copy = false) {
|
||||
RAPIDJSON_ASSERT(str != 0);
|
||||
(void)copy;
|
||||
Prefix(kNumberType);
|
||||
return EndValue(WriteString(str, length));
|
||||
}
|
||||
|
||||
bool String(const Ch* str, SizeType length, bool copy = false) {
|
||||
RAPIDJSON_ASSERT(str != 0);
|
||||
(void)copy;
|
||||
Prefix(kStringType);
|
||||
return EndValue(WriteString(str, length));
|
||||
|
@ -209,10 +221,18 @@ public:
|
|||
|
||||
bool Key(const Ch* str, SizeType length, bool copy = false) { return String(str, length, copy); }
|
||||
|
||||
#if RAPIDJSON_HAS_STDSTRING
|
||||
bool Key(const std::basic_string<Ch>& str)
|
||||
{
|
||||
return Key(str.data(), SizeType(str.size()));
|
||||
}
|
||||
#endif
|
||||
|
||||
bool EndObject(SizeType memberCount = 0) {
|
||||
(void)memberCount;
|
||||
RAPIDJSON_ASSERT(level_stack_.GetSize() >= sizeof(Level));
|
||||
RAPIDJSON_ASSERT(!level_stack_.template Top<Level>()->inArray);
|
||||
RAPIDJSON_ASSERT(level_stack_.GetSize() >= sizeof(Level)); // not inside an Object
|
||||
RAPIDJSON_ASSERT(!level_stack_.template Top<Level>()->inArray); // currently inside an Array, not Object
|
||||
RAPIDJSON_ASSERT(0 == level_stack_.template Top<Level>()->valueCount % 2); // Object has a Key without a Value
|
||||
level_stack_.template Pop<Level>(1);
|
||||
return EndValue(WriteEndObject());
|
||||
}
|
||||
|
@ -236,8 +256,8 @@ public:
|
|||
//@{
|
||||
|
||||
//! Simpler but slower overload.
|
||||
bool String(const Ch* str) { return String(str, internal::StrLen(str)); }
|
||||
bool Key(const Ch* str) { return Key(str, internal::StrLen(str)); }
|
||||
bool String(const Ch* const& str) { return String(str, internal::StrLen(str)); }
|
||||
bool Key(const Ch* const& str) { return Key(str, internal::StrLen(str)); }
|
||||
|
||||
//@}
|
||||
|
||||
|
@ -249,7 +269,19 @@ public:
|
|||
\param length Length of the json.
|
||||
\param type Type of the root of json.
|
||||
*/
|
||||
bool RawValue(const Ch* json, size_t length, Type type) { Prefix(type); return EndValue(WriteRawValue(json, length)); }
|
||||
bool RawValue(const Ch* json, size_t length, Type type) {
|
||||
RAPIDJSON_ASSERT(json != 0);
|
||||
Prefix(type);
|
||||
return EndValue(WriteRawValue(json, length));
|
||||
}
|
||||
|
||||
//! Flush the output stream.
|
||||
/*!
|
||||
Allows the user to flush the output stream immediately.
|
||||
*/
|
||||
void Flush() {
|
||||
os_->Flush();
|
||||
}
|
||||
|
||||
protected:
|
||||
//! Information for each nested level
|
||||
|
@ -283,7 +315,7 @@ protected:
|
|||
const char* end = internal::i32toa(i, buffer);
|
||||
PutReserve(*os_, static_cast<size_t>(end - buffer));
|
||||
for (const char* p = buffer; p != end; ++p)
|
||||
PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(*p));
|
||||
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
|
||||
return true;
|
||||
}
|
||||
|
||||
|
@ -292,7 +324,7 @@ protected:
|
|||
const char* end = internal::u32toa(u, buffer);
|
||||
PutReserve(*os_, static_cast<size_t>(end - buffer));
|
||||
for (const char* p = buffer; p != end; ++p)
|
||||
PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(*p));
|
||||
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
|
||||
return true;
|
||||
}
|
||||
|
||||
|
@ -301,7 +333,7 @@ protected:
|
|||
const char* end = internal::i64toa(i64, buffer);
|
||||
PutReserve(*os_, static_cast<size_t>(end - buffer));
|
||||
for (const char* p = buffer; p != end; ++p)
|
||||
PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(*p));
|
||||
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
|
||||
return true;
|
||||
}
|
||||
|
||||
|
@ -310,7 +342,7 @@ protected:
|
|||
char* end = internal::u64toa(u64, buffer);
|
||||
PutReserve(*os_, static_cast<size_t>(end - buffer));
|
||||
for (char* p = buffer; p != end; ++p)
|
||||
PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(*p));
|
||||
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
|
||||
return true;
|
||||
}
|
||||
|
||||
|
@ -338,12 +370,12 @@ protected:
|
|||
char* end = internal::dtoa(d, buffer, maxDecimalPlaces_);
|
||||
PutReserve(*os_, static_cast<size_t>(end - buffer));
|
||||
for (char* p = buffer; p != end; ++p)
|
||||
PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(*p));
|
||||
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(*p));
|
||||
return true;
|
||||
}
|
||||
|
||||
bool WriteString(const Ch* str, SizeType length) {
|
||||
static const typename TargetEncoding::Ch hexDigits[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
|
||||
static const typename OutputStream::Ch hexDigits[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
|
||||
static const char escape[256] = {
|
||||
#define Z16 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
|
||||
//0 1 2 3 4 5 6 7 8 9 A B C D E F
|
||||
|
@ -399,7 +431,7 @@ protected:
|
|||
else if ((sizeof(Ch) == 1 || static_cast<unsigned>(c) < 256) && RAPIDJSON_UNLIKELY(escape[static_cast<unsigned char>(c)])) {
|
||||
is.Take();
|
||||
PutUnsafe(*os_, '\\');
|
||||
PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(escape[static_cast<unsigned char>(c)]));
|
||||
PutUnsafe(*os_, static_cast<typename OutputStream::Ch>(escape[static_cast<unsigned char>(c)]));
|
||||
if (escape[static_cast<unsigned char>(c)] == 'u') {
|
||||
PutUnsafe(*os_, '0');
|
||||
PutUnsafe(*os_, '0');
|
||||
|
@ -427,9 +459,13 @@ protected:
|
|||
|
||||
bool WriteRawValue(const Ch* json, size_t length) {
|
||||
PutReserve(*os_, length);
|
||||
for (size_t i = 0; i < length; i++) {
|
||||
RAPIDJSON_ASSERT(json[i] != '\0');
|
||||
PutUnsafe(*os_, json[i]);
|
||||
GenericStringStream<SourceEncoding> is(json);
|
||||
while (RAPIDJSON_LIKELY(is.Tell() < length)) {
|
||||
RAPIDJSON_ASSERT(is.Peek() != '\0');
|
||||
if (RAPIDJSON_UNLIKELY(!(writeFlags & kWriteValidateEncodingFlag ?
|
||||
Transcoder<SourceEncoding, TargetEncoding>::Validate(is, *os_) :
|
||||
Transcoder<SourceEncoding, TargetEncoding>::TranscodeUnsafe(is, *os_))))
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
@ -457,7 +493,7 @@ protected:
|
|||
// Flush the value if it is the top level one.
|
||||
bool EndValue(bool ret) {
|
||||
if (RAPIDJSON_UNLIKELY(level_stack_.Empty())) // end of json text
|
||||
os_->Flush();
|
||||
Flush();
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
@ -561,7 +597,7 @@ inline bool Writer<StringBuffer>::ScanWriteUnescapedString(StringStream& is, siz
|
|||
// The rest of string using SIMD
|
||||
static const char dquote[16] = { '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"' };
|
||||
static const char bslash[16] = { '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\' };
|
||||
static const char space[16] = { 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19 };
|
||||
static const char space[16] = { 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F };
|
||||
const __m128i dq = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&dquote[0]));
|
||||
const __m128i bs = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&bslash[0]));
|
||||
const __m128i sp = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&space[0]));
|
||||
|
@ -570,7 +606,7 @@ inline bool Writer<StringBuffer>::ScanWriteUnescapedString(StringStream& is, siz
|
|||
const __m128i s = _mm_load_si128(reinterpret_cast<const __m128i *>(p));
|
||||
const __m128i t1 = _mm_cmpeq_epi8(s, dq);
|
||||
const __m128i t2 = _mm_cmpeq_epi8(s, bs);
|
||||
const __m128i t3 = _mm_cmpeq_epi8(_mm_max_epu8(s, sp), sp); // s < 0x20 <=> max(s, 0x19) == 0x19
|
||||
const __m128i t3 = _mm_cmpeq_epi8(_mm_max_epu8(s, sp), sp); // s < 0x20 <=> max(s, 0x1F) == 0x1F
|
||||
const __m128i x = _mm_or_si128(_mm_or_si128(t1, t2), t3);
|
||||
unsigned short r = static_cast<unsigned short>(_mm_movemask_epi8(x));
|
||||
if (RAPIDJSON_UNLIKELY(r != 0)) { // some of characters is escaped
|
||||
|
@ -595,15 +631,79 @@ inline bool Writer<StringBuffer>::ScanWriteUnescapedString(StringStream& is, siz
|
|||
is.src_ = p;
|
||||
return RAPIDJSON_LIKELY(is.Tell() < length);
|
||||
}
|
||||
#endif // defined(RAPIDJSON_SSE2) || defined(RAPIDJSON_SSE42)
|
||||
#elif defined(RAPIDJSON_NEON)
|
||||
template<>
|
||||
inline bool Writer<StringBuffer>::ScanWriteUnescapedString(StringStream& is, size_t length) {
|
||||
if (length < 16)
|
||||
return RAPIDJSON_LIKELY(is.Tell() < length);
|
||||
|
||||
if (!RAPIDJSON_LIKELY(is.Tell() < length))
|
||||
return false;
|
||||
|
||||
const char* p = is.src_;
|
||||
const char* end = is.head_ + length;
|
||||
const char* nextAligned = reinterpret_cast<const char*>((reinterpret_cast<size_t>(p) + 15) & static_cast<size_t>(~15));
|
||||
const char* endAligned = reinterpret_cast<const char*>(reinterpret_cast<size_t>(end) & static_cast<size_t>(~15));
|
||||
if (nextAligned > end)
|
||||
return true;
|
||||
|
||||
while (p != nextAligned)
|
||||
if (*p < 0x20 || *p == '\"' || *p == '\\') {
|
||||
is.src_ = p;
|
||||
return RAPIDJSON_LIKELY(is.Tell() < length);
|
||||
}
|
||||
else
|
||||
os_->PutUnsafe(*p++);
|
||||
|
||||
// The rest of string using SIMD
|
||||
const uint8x16_t s0 = vmovq_n_u8('"');
|
||||
const uint8x16_t s1 = vmovq_n_u8('\\');
|
||||
const uint8x16_t s2 = vmovq_n_u8('\b');
|
||||
const uint8x16_t s3 = vmovq_n_u8(32);
|
||||
|
||||
for (; p != endAligned; p += 16) {
|
||||
const uint8x16_t s = vld1q_u8(reinterpret_cast<const uint8_t *>(p));
|
||||
uint8x16_t x = vceqq_u8(s, s0);
|
||||
x = vorrq_u8(x, vceqq_u8(s, s1));
|
||||
x = vorrq_u8(x, vceqq_u8(s, s2));
|
||||
x = vorrq_u8(x, vcltq_u8(s, s3));
|
||||
|
||||
x = vrev64q_u8(x); // Rev in 64
|
||||
uint64_t low = vgetq_lane_u64(vreinterpretq_u64_u8(x), 0); // extract
|
||||
uint64_t high = vgetq_lane_u64(vreinterpretq_u64_u8(x), 1); // extract
|
||||
|
||||
SizeType len = 0;
|
||||
bool escaped = false;
|
||||
if (low == 0) {
|
||||
if (high != 0) {
|
||||
uint32_t lz = RAPIDJSON_CLZLL(high);
|
||||
len = 8 + (lz >> 3);
|
||||
escaped = true;
|
||||
}
|
||||
} else {
|
||||
uint32_t lz = RAPIDJSON_CLZLL(low);
|
||||
len = lz >> 3;
|
||||
escaped = true;
|
||||
}
|
||||
if (RAPIDJSON_UNLIKELY(escaped)) { // some of characters is escaped
|
||||
char* q = reinterpret_cast<char*>(os_->PushUnsafe(len));
|
||||
for (size_t i = 0; i < len; i++)
|
||||
q[i] = p[i];
|
||||
|
||||
p += len;
|
||||
break;
|
||||
}
|
||||
vst1q_u8(reinterpret_cast<uint8_t *>(os_->PushUnsafe(16)), s);
|
||||
}
|
||||
|
||||
is.src_ = p;
|
||||
return RAPIDJSON_LIKELY(is.Tell() < length);
|
||||
}
|
||||
#endif // RAPIDJSON_NEON
|
||||
|
||||
RAPIDJSON_NAMESPACE_END
|
||||
|
||||
#ifdef _MSC_VER
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
#ifdef __clang__
|
||||
#if defined(_MSC_VER) || defined(__clang__)
|
||||
RAPIDJSON_DIAG_POP
|
||||
#endif
|
||||
|
||||
|
|
Loading…
Reference in New Issue