mirror of https://github.com/snes9xgit/snes9x.git
Add fmtlib directly to tree.
This commit is contained in:
BearOso
parent
453bbbe779
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# Run manually to reformat a file:
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# clang-format -i --style=file <file>
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Language: Cpp
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BasedOnStyle: Google
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IndentPPDirectives: AfterHash
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IndentCaseLabels: false
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AlwaysBreakTemplateDeclarations: false
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DerivePointerAlignment: false
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Copyright (c) 2012 - present, Victor Zverovich
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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--- Optional exception to the license ---
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As an exception, if, as a result of your compiling your source code, portions
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of this Software are embedded into a machine-executable object form of such
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source code, you may redistribute such embedded portions in such object form
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without including the above copyright and permission notices.
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// Formatting library for C++ - dynamic format arguments
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//
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// Copyright (c) 2012 - present, Victor Zverovich
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// All rights reserved.
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//
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// For the license information refer to format.h.
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#ifndef FMT_ARGS_H_
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#define FMT_ARGS_H_
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#include <functional> // std::reference_wrapper
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#include <memory> // std::unique_ptr
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#include <vector>
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#include "core.h"
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FMT_BEGIN_NAMESPACE
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namespace detail {
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template <typename T> struct is_reference_wrapper : std::false_type {};
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template <typename T>
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struct is_reference_wrapper<std::reference_wrapper<T>> : std::true_type {};
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template <typename T> const T& unwrap(const T& v) { return v; }
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template <typename T> const T& unwrap(const std::reference_wrapper<T>& v) {
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return static_cast<const T&>(v);
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}
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class dynamic_arg_list {
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// Workaround for clang's -Wweak-vtables. Unlike for regular classes, for
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// templates it doesn't complain about inability to deduce single translation
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// unit for placing vtable. So storage_node_base is made a fake template.
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template <typename = void> struct node {
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virtual ~node() = default;
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std::unique_ptr<node<>> next;
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};
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template <typename T> struct typed_node : node<> {
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T value;
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template <typename Arg>
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FMT_CONSTEXPR typed_node(const Arg& arg) : value(arg) {}
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template <typename Char>
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FMT_CONSTEXPR typed_node(const basic_string_view<Char>& arg)
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: value(arg.data(), arg.size()) {}
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};
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std::unique_ptr<node<>> head_;
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public:
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template <typename T, typename Arg> const T& push(const Arg& arg) {
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auto new_node = std::unique_ptr<typed_node<T>>(new typed_node<T>(arg));
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auto& value = new_node->value;
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new_node->next = std::move(head_);
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head_ = std::move(new_node);
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return value;
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}
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};
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} // namespace detail
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/**
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\rst
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A dynamic version of `fmt::format_arg_store`.
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It's equipped with a storage to potentially temporary objects which lifetimes
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could be shorter than the format arguments object.
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It can be implicitly converted into `~fmt::basic_format_args` for passing
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into type-erased formatting functions such as `~fmt::vformat`.
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\endrst
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*/
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template <typename Context>
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class dynamic_format_arg_store
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#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409
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// Workaround a GCC template argument substitution bug.
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: public basic_format_args<Context>
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#endif
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{
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private:
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using char_type = typename Context::char_type;
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template <typename T> struct need_copy {
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static constexpr detail::type mapped_type =
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detail::mapped_type_constant<T, Context>::value;
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enum {
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value = !(detail::is_reference_wrapper<T>::value ||
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std::is_same<T, basic_string_view<char_type>>::value ||
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std::is_same<T, detail::std_string_view<char_type>>::value ||
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(mapped_type != detail::type::cstring_type &&
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mapped_type != detail::type::string_type &&
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mapped_type != detail::type::custom_type))
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};
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};
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template <typename T>
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using stored_type = conditional_t<
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std::is_convertible<T, std::basic_string<char_type>>::value &&
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!detail::is_reference_wrapper<T>::value,
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std::basic_string<char_type>, T>;
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// Storage of basic_format_arg must be contiguous.
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std::vector<basic_format_arg<Context>> data_;
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std::vector<detail::named_arg_info<char_type>> named_info_;
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// Storage of arguments not fitting into basic_format_arg must grow
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// without relocation because items in data_ refer to it.
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detail::dynamic_arg_list dynamic_args_;
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friend class basic_format_args<Context>;
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unsigned long long get_types() const {
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return detail::is_unpacked_bit | data_.size() |
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(named_info_.empty()
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? 0ULL
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: static_cast<unsigned long long>(detail::has_named_args_bit));
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}
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const basic_format_arg<Context>* data() const {
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return named_info_.empty() ? data_.data() : data_.data() + 1;
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}
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template <typename T> void emplace_arg(const T& arg) {
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data_.emplace_back(detail::make_arg<Context>(arg));
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}
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template <typename T>
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void emplace_arg(const detail::named_arg<char_type, T>& arg) {
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if (named_info_.empty()) {
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constexpr const detail::named_arg_info<char_type>* zero_ptr{nullptr};
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data_.insert(data_.begin(), {zero_ptr, 0});
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}
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data_.emplace_back(detail::make_arg<Context>(detail::unwrap(arg.value)));
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auto pop_one = [](std::vector<basic_format_arg<Context>>* data) {
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data->pop_back();
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};
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std::unique_ptr<std::vector<basic_format_arg<Context>>, decltype(pop_one)>
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guard{&data_, pop_one};
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named_info_.push_back({arg.name, static_cast<int>(data_.size() - 2u)});
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data_[0].value_.named_args = {named_info_.data(), named_info_.size()};
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guard.release();
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}
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public:
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constexpr dynamic_format_arg_store() = default;
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/**
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\rst
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Adds an argument into the dynamic store for later passing to a formatting
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function.
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Note that custom types and string types (but not string views) are copied
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into the store dynamically allocating memory if necessary.
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**Example**::
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fmt::dynamic_format_arg_store<fmt::format_context> store;
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store.push_back(42);
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store.push_back("abc");
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store.push_back(1.5f);
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std::string result = fmt::vformat("{} and {} and {}", store);
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\endrst
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*/
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template <typename T> void push_back(const T& arg) {
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if (detail::const_check(need_copy<T>::value))
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emplace_arg(dynamic_args_.push<stored_type<T>>(arg));
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else
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emplace_arg(detail::unwrap(arg));
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}
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/**
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\rst
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Adds a reference to the argument into the dynamic store for later passing to
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a formatting function.
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**Example**::
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fmt::dynamic_format_arg_store<fmt::format_context> store;
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char band[] = "Rolling Stones";
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store.push_back(std::cref(band));
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band[9] = 'c'; // Changing str affects the output.
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std::string result = fmt::vformat("{}", store);
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// result == "Rolling Scones"
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\endrst
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*/
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template <typename T> void push_back(std::reference_wrapper<T> arg) {
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static_assert(
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need_copy<T>::value,
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"objects of built-in types and string views are always copied");
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emplace_arg(arg.get());
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}
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/**
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Adds named argument into the dynamic store for later passing to a formatting
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function. ``std::reference_wrapper`` is supported to avoid copying of the
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argument. The name is always copied into the store.
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*/
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template <typename T>
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void push_back(const detail::named_arg<char_type, T>& arg) {
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const char_type* arg_name =
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dynamic_args_.push<std::basic_string<char_type>>(arg.name).c_str();
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if (detail::const_check(need_copy<T>::value)) {
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emplace_arg(
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fmt::arg(arg_name, dynamic_args_.push<stored_type<T>>(arg.value)));
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} else {
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emplace_arg(fmt::arg(arg_name, arg.value));
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}
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}
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/** Erase all elements from the store */
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void clear() {
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data_.clear();
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named_info_.clear();
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dynamic_args_ = detail::dynamic_arg_list();
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}
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/**
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\rst
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Reserves space to store at least *new_cap* arguments including
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*new_cap_named* named arguments.
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\endrst
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*/
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void reserve(size_t new_cap, size_t new_cap_named) {
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FMT_ASSERT(new_cap >= new_cap_named,
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"Set of arguments includes set of named arguments");
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data_.reserve(new_cap);
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named_info_.reserve(new_cap_named);
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}
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};
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FMT_END_NAMESPACE
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#endif // FMT_ARGS_H_
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File diff suppressed because it is too large
Load Diff
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// Formatting library for C++ - color support
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//
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// Copyright (c) 2018 - present, Victor Zverovich and fmt contributors
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// All rights reserved.
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//
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// For the license information refer to format.h.
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#ifndef FMT_COLOR_H_
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#define FMT_COLOR_H_
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#include "format.h"
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// __declspec(deprecated) is broken in some MSVC versions.
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#if FMT_MSC_VER
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# define FMT_DEPRECATED_NONMSVC
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#else
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# define FMT_DEPRECATED_NONMSVC FMT_DEPRECATED
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#endif
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FMT_BEGIN_NAMESPACE
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FMT_MODULE_EXPORT_BEGIN
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enum class color : uint32_t {
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alice_blue = 0xF0F8FF, // rgb(240,248,255)
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antique_white = 0xFAEBD7, // rgb(250,235,215)
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aqua = 0x00FFFF, // rgb(0,255,255)
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aquamarine = 0x7FFFD4, // rgb(127,255,212)
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azure = 0xF0FFFF, // rgb(240,255,255)
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beige = 0xF5F5DC, // rgb(245,245,220)
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bisque = 0xFFE4C4, // rgb(255,228,196)
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black = 0x000000, // rgb(0,0,0)
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blanched_almond = 0xFFEBCD, // rgb(255,235,205)
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blue = 0x0000FF, // rgb(0,0,255)
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blue_violet = 0x8A2BE2, // rgb(138,43,226)
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brown = 0xA52A2A, // rgb(165,42,42)
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burly_wood = 0xDEB887, // rgb(222,184,135)
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cadet_blue = 0x5F9EA0, // rgb(95,158,160)
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chartreuse = 0x7FFF00, // rgb(127,255,0)
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chocolate = 0xD2691E, // rgb(210,105,30)
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coral = 0xFF7F50, // rgb(255,127,80)
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cornflower_blue = 0x6495ED, // rgb(100,149,237)
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cornsilk = 0xFFF8DC, // rgb(255,248,220)
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crimson = 0xDC143C, // rgb(220,20,60)
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cyan = 0x00FFFF, // rgb(0,255,255)
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dark_blue = 0x00008B, // rgb(0,0,139)
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dark_cyan = 0x008B8B, // rgb(0,139,139)
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dark_golden_rod = 0xB8860B, // rgb(184,134,11)
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dark_gray = 0xA9A9A9, // rgb(169,169,169)
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dark_green = 0x006400, // rgb(0,100,0)
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dark_khaki = 0xBDB76B, // rgb(189,183,107)
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dark_magenta = 0x8B008B, // rgb(139,0,139)
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dark_olive_green = 0x556B2F, // rgb(85,107,47)
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dark_orange = 0xFF8C00, // rgb(255,140,0)
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dark_orchid = 0x9932CC, // rgb(153,50,204)
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dark_red = 0x8B0000, // rgb(139,0,0)
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dark_salmon = 0xE9967A, // rgb(233,150,122)
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dark_sea_green = 0x8FBC8F, // rgb(143,188,143)
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dark_slate_blue = 0x483D8B, // rgb(72,61,139)
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dark_slate_gray = 0x2F4F4F, // rgb(47,79,79)
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dark_turquoise = 0x00CED1, // rgb(0,206,209)
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dark_violet = 0x9400D3, // rgb(148,0,211)
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deep_pink = 0xFF1493, // rgb(255,20,147)
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deep_sky_blue = 0x00BFFF, // rgb(0,191,255)
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dim_gray = 0x696969, // rgb(105,105,105)
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dodger_blue = 0x1E90FF, // rgb(30,144,255)
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fire_brick = 0xB22222, // rgb(178,34,34)
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floral_white = 0xFFFAF0, // rgb(255,250,240)
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forest_green = 0x228B22, // rgb(34,139,34)
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fuchsia = 0xFF00FF, // rgb(255,0,255)
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gainsboro = 0xDCDCDC, // rgb(220,220,220)
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ghost_white = 0xF8F8FF, // rgb(248,248,255)
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gold = 0xFFD700, // rgb(255,215,0)
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golden_rod = 0xDAA520, // rgb(218,165,32)
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gray = 0x808080, // rgb(128,128,128)
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green = 0x008000, // rgb(0,128,0)
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green_yellow = 0xADFF2F, // rgb(173,255,47)
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honey_dew = 0xF0FFF0, // rgb(240,255,240)
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hot_pink = 0xFF69B4, // rgb(255,105,180)
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indian_red = 0xCD5C5C, // rgb(205,92,92)
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indigo = 0x4B0082, // rgb(75,0,130)
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ivory = 0xFFFFF0, // rgb(255,255,240)
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khaki = 0xF0E68C, // rgb(240,230,140)
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lavender = 0xE6E6FA, // rgb(230,230,250)
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lavender_blush = 0xFFF0F5, // rgb(255,240,245)
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lawn_green = 0x7CFC00, // rgb(124,252,0)
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lemon_chiffon = 0xFFFACD, // rgb(255,250,205)
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light_blue = 0xADD8E6, // rgb(173,216,230)
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light_coral = 0xF08080, // rgb(240,128,128)
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light_cyan = 0xE0FFFF, // rgb(224,255,255)
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light_golden_rod_yellow = 0xFAFAD2, // rgb(250,250,210)
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light_gray = 0xD3D3D3, // rgb(211,211,211)
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light_green = 0x90EE90, // rgb(144,238,144)
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light_pink = 0xFFB6C1, // rgb(255,182,193)
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light_salmon = 0xFFA07A, // rgb(255,160,122)
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light_sea_green = 0x20B2AA, // rgb(32,178,170)
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light_sky_blue = 0x87CEFA, // rgb(135,206,250)
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light_slate_gray = 0x778899, // rgb(119,136,153)
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light_steel_blue = 0xB0C4DE, // rgb(176,196,222)
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light_yellow = 0xFFFFE0, // rgb(255,255,224)
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lime = 0x00FF00, // rgb(0,255,0)
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lime_green = 0x32CD32, // rgb(50,205,50)
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linen = 0xFAF0E6, // rgb(250,240,230)
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magenta = 0xFF00FF, // rgb(255,0,255)
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maroon = 0x800000, // rgb(128,0,0)
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medium_aquamarine = 0x66CDAA, // rgb(102,205,170)
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medium_blue = 0x0000CD, // rgb(0,0,205)
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medium_orchid = 0xBA55D3, // rgb(186,85,211)
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medium_purple = 0x9370DB, // rgb(147,112,219)
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medium_sea_green = 0x3CB371, // rgb(60,179,113)
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medium_slate_blue = 0x7B68EE, // rgb(123,104,238)
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medium_spring_green = 0x00FA9A, // rgb(0,250,154)
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medium_turquoise = 0x48D1CC, // rgb(72,209,204)
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medium_violet_red = 0xC71585, // rgb(199,21,133)
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midnight_blue = 0x191970, // rgb(25,25,112)
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mint_cream = 0xF5FFFA, // rgb(245,255,250)
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misty_rose = 0xFFE4E1, // rgb(255,228,225)
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moccasin = 0xFFE4B5, // rgb(255,228,181)
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navajo_white = 0xFFDEAD, // rgb(255,222,173)
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navy = 0x000080, // rgb(0,0,128)
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old_lace = 0xFDF5E6, // rgb(253,245,230)
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olive = 0x808000, // rgb(128,128,0)
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olive_drab = 0x6B8E23, // rgb(107,142,35)
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orange = 0xFFA500, // rgb(255,165,0)
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orange_red = 0xFF4500, // rgb(255,69,0)
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orchid = 0xDA70D6, // rgb(218,112,214)
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pale_golden_rod = 0xEEE8AA, // rgb(238,232,170)
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pale_green = 0x98FB98, // rgb(152,251,152)
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pale_turquoise = 0xAFEEEE, // rgb(175,238,238)
|
||||
pale_violet_red = 0xDB7093, // rgb(219,112,147)
|
||||
papaya_whip = 0xFFEFD5, // rgb(255,239,213)
|
||||
peach_puff = 0xFFDAB9, // rgb(255,218,185)
|
||||
peru = 0xCD853F, // rgb(205,133,63)
|
||||
pink = 0xFFC0CB, // rgb(255,192,203)
|
||||
plum = 0xDDA0DD, // rgb(221,160,221)
|
||||
powder_blue = 0xB0E0E6, // rgb(176,224,230)
|
||||
purple = 0x800080, // rgb(128,0,128)
|
||||
rebecca_purple = 0x663399, // rgb(102,51,153)
|
||||
red = 0xFF0000, // rgb(255,0,0)
|
||||
rosy_brown = 0xBC8F8F, // rgb(188,143,143)
|
||||
royal_blue = 0x4169E1, // rgb(65,105,225)
|
||||
saddle_brown = 0x8B4513, // rgb(139,69,19)
|
||||
salmon = 0xFA8072, // rgb(250,128,114)
|
||||
sandy_brown = 0xF4A460, // rgb(244,164,96)
|
||||
sea_green = 0x2E8B57, // rgb(46,139,87)
|
||||
sea_shell = 0xFFF5EE, // rgb(255,245,238)
|
||||
sienna = 0xA0522D, // rgb(160,82,45)
|
||||
silver = 0xC0C0C0, // rgb(192,192,192)
|
||||
sky_blue = 0x87CEEB, // rgb(135,206,235)
|
||||
slate_blue = 0x6A5ACD, // rgb(106,90,205)
|
||||
slate_gray = 0x708090, // rgb(112,128,144)
|
||||
snow = 0xFFFAFA, // rgb(255,250,250)
|
||||
spring_green = 0x00FF7F, // rgb(0,255,127)
|
||||
steel_blue = 0x4682B4, // rgb(70,130,180)
|
||||
tan = 0xD2B48C, // rgb(210,180,140)
|
||||
teal = 0x008080, // rgb(0,128,128)
|
||||
thistle = 0xD8BFD8, // rgb(216,191,216)
|
||||
tomato = 0xFF6347, // rgb(255,99,71)
|
||||
turquoise = 0x40E0D0, // rgb(64,224,208)
|
||||
violet = 0xEE82EE, // rgb(238,130,238)
|
||||
wheat = 0xF5DEB3, // rgb(245,222,179)
|
||||
white = 0xFFFFFF, // rgb(255,255,255)
|
||||
white_smoke = 0xF5F5F5, // rgb(245,245,245)
|
||||
yellow = 0xFFFF00, // rgb(255,255,0)
|
||||
yellow_green = 0x9ACD32 // rgb(154,205,50)
|
||||
}; // enum class color
|
||||
|
||||
enum class terminal_color : uint8_t {
|
||||
black = 30,
|
||||
red,
|
||||
green,
|
||||
yellow,
|
||||
blue,
|
||||
magenta,
|
||||
cyan,
|
||||
white,
|
||||
bright_black = 90,
|
||||
bright_red,
|
||||
bright_green,
|
||||
bright_yellow,
|
||||
bright_blue,
|
||||
bright_magenta,
|
||||
bright_cyan,
|
||||
bright_white
|
||||
};
|
||||
|
||||
enum class emphasis : uint8_t {
|
||||
bold = 1,
|
||||
faint = 1 << 1,
|
||||
italic = 1 << 2,
|
||||
underline = 1 << 3,
|
||||
blink = 1 << 4,
|
||||
reverse = 1 << 5,
|
||||
conceal = 1 << 6,
|
||||
strikethrough = 1 << 7,
|
||||
};
|
||||
|
||||
// rgb is a struct for red, green and blue colors.
|
||||
// Using the name "rgb" makes some editors show the color in a tooltip.
|
||||
struct rgb {
|
||||
FMT_CONSTEXPR rgb() : r(0), g(0), b(0) {}
|
||||
FMT_CONSTEXPR rgb(uint8_t r_, uint8_t g_, uint8_t b_) : r(r_), g(g_), b(b_) {}
|
||||
FMT_CONSTEXPR rgb(uint32_t hex)
|
||||
: r((hex >> 16) & 0xFF), g((hex >> 8) & 0xFF), b(hex & 0xFF) {}
|
||||
FMT_CONSTEXPR rgb(color hex)
|
||||
: r((uint32_t(hex) >> 16) & 0xFF),
|
||||
g((uint32_t(hex) >> 8) & 0xFF),
|
||||
b(uint32_t(hex) & 0xFF) {}
|
||||
uint8_t r;
|
||||
uint8_t g;
|
||||
uint8_t b;
|
||||
};
|
||||
|
||||
FMT_BEGIN_DETAIL_NAMESPACE
|
||||
|
||||
// color is a struct of either a rgb color or a terminal color.
|
||||
struct color_type {
|
||||
FMT_CONSTEXPR color_type() noexcept : is_rgb(), value{} {}
|
||||
FMT_CONSTEXPR color_type(color rgb_color) noexcept : is_rgb(true), value{} {
|
||||
value.rgb_color = static_cast<uint32_t>(rgb_color);
|
||||
}
|
||||
FMT_CONSTEXPR color_type(rgb rgb_color) noexcept : is_rgb(true), value{} {
|
||||
value.rgb_color = (static_cast<uint32_t>(rgb_color.r) << 16) |
|
||||
(static_cast<uint32_t>(rgb_color.g) << 8) | rgb_color.b;
|
||||
}
|
||||
FMT_CONSTEXPR color_type(terminal_color term_color) noexcept
|
||||
: is_rgb(), value{} {
|
||||
value.term_color = static_cast<uint8_t>(term_color);
|
||||
}
|
||||
bool is_rgb;
|
||||
union color_union {
|
||||
uint8_t term_color;
|
||||
uint32_t rgb_color;
|
||||
} value;
|
||||
};
|
||||
|
||||
FMT_END_DETAIL_NAMESPACE
|
||||
|
||||
/** A text style consisting of foreground and background colors and emphasis. */
|
||||
class text_style {
|
||||
public:
|
||||
FMT_CONSTEXPR text_style(emphasis em = emphasis()) noexcept
|
||||
: set_foreground_color(), set_background_color(), ems(em) {}
|
||||
|
||||
FMT_CONSTEXPR text_style& operator|=(const text_style& rhs) {
|
||||
if (!set_foreground_color) {
|
||||
set_foreground_color = rhs.set_foreground_color;
|
||||
foreground_color = rhs.foreground_color;
|
||||
} else if (rhs.set_foreground_color) {
|
||||
if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
|
||||
FMT_THROW(format_error("can't OR a terminal color"));
|
||||
foreground_color.value.rgb_color |= rhs.foreground_color.value.rgb_color;
|
||||
}
|
||||
|
||||
if (!set_background_color) {
|
||||
set_background_color = rhs.set_background_color;
|
||||
background_color = rhs.background_color;
|
||||
} else if (rhs.set_background_color) {
|
||||
if (!background_color.is_rgb || !rhs.background_color.is_rgb)
|
||||
FMT_THROW(format_error("can't OR a terminal color"));
|
||||
background_color.value.rgb_color |= rhs.background_color.value.rgb_color;
|
||||
}
|
||||
|
||||
ems = static_cast<emphasis>(static_cast<uint8_t>(ems) |
|
||||
static_cast<uint8_t>(rhs.ems));
|
||||
return *this;
|
||||
}
|
||||
|
||||
friend FMT_CONSTEXPR text_style operator|(text_style lhs,
|
||||
const text_style& rhs) {
|
||||
return lhs |= rhs;
|
||||
}
|
||||
|
||||
FMT_DEPRECATED_NONMSVC FMT_CONSTEXPR text_style& operator&=(
|
||||
const text_style& rhs) {
|
||||
return and_assign(rhs);
|
||||
}
|
||||
|
||||
FMT_DEPRECATED_NONMSVC friend FMT_CONSTEXPR text_style
|
||||
operator&(text_style lhs, const text_style& rhs) {
|
||||
return lhs.and_assign(rhs);
|
||||
}
|
||||
|
||||
FMT_CONSTEXPR bool has_foreground() const noexcept {
|
||||
return set_foreground_color;
|
||||
}
|
||||
FMT_CONSTEXPR bool has_background() const noexcept {
|
||||
return set_background_color;
|
||||
}
|
||||
FMT_CONSTEXPR bool has_emphasis() const noexcept {
|
||||
return static_cast<uint8_t>(ems) != 0;
|
||||
}
|
||||
FMT_CONSTEXPR detail::color_type get_foreground() const noexcept {
|
||||
FMT_ASSERT(has_foreground(), "no foreground specified for this style");
|
||||
return foreground_color;
|
||||
}
|
||||
FMT_CONSTEXPR detail::color_type get_background() const noexcept {
|
||||
FMT_ASSERT(has_background(), "no background specified for this style");
|
||||
return background_color;
|
||||
}
|
||||
FMT_CONSTEXPR emphasis get_emphasis() const noexcept {
|
||||
FMT_ASSERT(has_emphasis(), "no emphasis specified for this style");
|
||||
return ems;
|
||||
}
|
||||
|
||||
private:
|
||||
FMT_CONSTEXPR text_style(bool is_foreground,
|
||||
detail::color_type text_color) noexcept
|
||||
: set_foreground_color(), set_background_color(), ems() {
|
||||
if (is_foreground) {
|
||||
foreground_color = text_color;
|
||||
set_foreground_color = true;
|
||||
} else {
|
||||
background_color = text_color;
|
||||
set_background_color = true;
|
||||
}
|
||||
}
|
||||
|
||||
// DEPRECATED!
|
||||
FMT_CONSTEXPR text_style& and_assign(const text_style& rhs) {
|
||||
if (!set_foreground_color) {
|
||||
set_foreground_color = rhs.set_foreground_color;
|
||||
foreground_color = rhs.foreground_color;
|
||||
} else if (rhs.set_foreground_color) {
|
||||
if (!foreground_color.is_rgb || !rhs.foreground_color.is_rgb)
|
||||
FMT_THROW(format_error("can't AND a terminal color"));
|
||||
foreground_color.value.rgb_color &= rhs.foreground_color.value.rgb_color;
|
||||
}
|
||||
|
||||
if (!set_background_color) {
|
||||
set_background_color = rhs.set_background_color;
|
||||
background_color = rhs.background_color;
|
||||
} else if (rhs.set_background_color) {
|
||||
if (!background_color.is_rgb || !rhs.background_color.is_rgb)
|
||||
FMT_THROW(format_error("can't AND a terminal color"));
|
||||
background_color.value.rgb_color &= rhs.background_color.value.rgb_color;
|
||||
}
|
||||
|
||||
ems = static_cast<emphasis>(static_cast<uint8_t>(ems) &
|
||||
static_cast<uint8_t>(rhs.ems));
|
||||
return *this;
|
||||
}
|
||||
|
||||
friend FMT_CONSTEXPR_DECL text_style
|
||||
fg(detail::color_type foreground) noexcept;
|
||||
|
||||
friend FMT_CONSTEXPR_DECL text_style
|
||||
bg(detail::color_type background) noexcept;
|
||||
|
||||
detail::color_type foreground_color;
|
||||
detail::color_type background_color;
|
||||
bool set_foreground_color;
|
||||
bool set_background_color;
|
||||
emphasis ems;
|
||||
};
|
||||
|
||||
/** Creates a text style from the foreground (text) color. */
|
||||
FMT_CONSTEXPR inline text_style fg(detail::color_type foreground) noexcept {
|
||||
return text_style(true, foreground);
|
||||
}
|
||||
|
||||
/** Creates a text style from the background color. */
|
||||
FMT_CONSTEXPR inline text_style bg(detail::color_type background) noexcept {
|
||||
return text_style(false, background);
|
||||
}
|
||||
|
||||
FMT_CONSTEXPR inline text_style operator|(emphasis lhs, emphasis rhs) noexcept {
|
||||
return text_style(lhs) | rhs;
|
||||
}
|
||||
|
||||
FMT_BEGIN_DETAIL_NAMESPACE
|
||||
|
||||
template <typename Char> struct ansi_color_escape {
|
||||
FMT_CONSTEXPR ansi_color_escape(detail::color_type text_color,
|
||||
const char* esc) noexcept {
|
||||
// If we have a terminal color, we need to output another escape code
|
||||
// sequence.
|
||||
if (!text_color.is_rgb) {
|
||||
bool is_background = esc == string_view("\x1b[48;2;");
|
||||
uint32_t value = text_color.value.term_color;
|
||||
// Background ASCII codes are the same as the foreground ones but with
|
||||
// 10 more.
|
||||
if (is_background) value += 10u;
|
||||
|
||||
size_t index = 0;
|
||||
buffer[index++] = static_cast<Char>('\x1b');
|
||||
buffer[index++] = static_cast<Char>('[');
|
||||
|
||||
if (value >= 100u) {
|
||||
buffer[index++] = static_cast<Char>('1');
|
||||
value %= 100u;
|
||||
}
|
||||
buffer[index++] = static_cast<Char>('0' + value / 10u);
|
||||
buffer[index++] = static_cast<Char>('0' + value % 10u);
|
||||
|
||||
buffer[index++] = static_cast<Char>('m');
|
||||
buffer[index++] = static_cast<Char>('\0');
|
||||
return;
|
||||
}
|
||||
|
||||
for (int i = 0; i < 7; i++) {
|
||||
buffer[i] = static_cast<Char>(esc[i]);
|
||||
}
|
||||
rgb color(text_color.value.rgb_color);
|
||||
to_esc(color.r, buffer + 7, ';');
|
||||
to_esc(color.g, buffer + 11, ';');
|
||||
to_esc(color.b, buffer + 15, 'm');
|
||||
buffer[19] = static_cast<Char>(0);
|
||||
}
|
||||
FMT_CONSTEXPR ansi_color_escape(emphasis em) noexcept {
|
||||
uint8_t em_codes[num_emphases] = {};
|
||||
if (has_emphasis(em, emphasis::bold)) em_codes[0] = 1;
|
||||
if (has_emphasis(em, emphasis::faint)) em_codes[1] = 2;
|
||||
if (has_emphasis(em, emphasis::italic)) em_codes[2] = 3;
|
||||
if (has_emphasis(em, emphasis::underline)) em_codes[3] = 4;
|
||||
if (has_emphasis(em, emphasis::blink)) em_codes[4] = 5;
|
||||
if (has_emphasis(em, emphasis::reverse)) em_codes[5] = 7;
|
||||
if (has_emphasis(em, emphasis::conceal)) em_codes[6] = 8;
|
||||
if (has_emphasis(em, emphasis::strikethrough)) em_codes[7] = 9;
|
||||
|
||||
size_t index = 0;
|
||||
for (size_t i = 0; i < num_emphases; ++i) {
|
||||
if (!em_codes[i]) continue;
|
||||
buffer[index++] = static_cast<Char>('\x1b');
|
||||
buffer[index++] = static_cast<Char>('[');
|
||||
buffer[index++] = static_cast<Char>('0' + em_codes[i]);
|
||||
buffer[index++] = static_cast<Char>('m');
|
||||
}
|
||||
buffer[index++] = static_cast<Char>(0);
|
||||
}
|
||||
FMT_CONSTEXPR operator const Char*() const noexcept { return buffer; }
|
||||
|
||||
FMT_CONSTEXPR const Char* begin() const noexcept { return buffer; }
|
||||
FMT_CONSTEXPR_CHAR_TRAITS const Char* end() const noexcept {
|
||||
return buffer + std::char_traits<Char>::length(buffer);
|
||||
}
|
||||
|
||||
private:
|
||||
static constexpr size_t num_emphases = 8;
|
||||
Char buffer[7u + 3u * num_emphases + 1u];
|
||||
|
||||
static FMT_CONSTEXPR void to_esc(uint8_t c, Char* out,
|
||||
char delimiter) noexcept {
|
||||
out[0] = static_cast<Char>('0' + c / 100);
|
||||
out[1] = static_cast<Char>('0' + c / 10 % 10);
|
||||
out[2] = static_cast<Char>('0' + c % 10);
|
||||
out[3] = static_cast<Char>(delimiter);
|
||||
}
|
||||
static FMT_CONSTEXPR bool has_emphasis(emphasis em, emphasis mask) noexcept {
|
||||
return static_cast<uint8_t>(em) & static_cast<uint8_t>(mask);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Char>
|
||||
FMT_CONSTEXPR ansi_color_escape<Char> make_foreground_color(
|
||||
detail::color_type foreground) noexcept {
|
||||
return ansi_color_escape<Char>(foreground, "\x1b[38;2;");
|
||||
}
|
||||
|
||||
template <typename Char>
|
||||
FMT_CONSTEXPR ansi_color_escape<Char> make_background_color(
|
||||
detail::color_type background) noexcept {
|
||||
return ansi_color_escape<Char>(background, "\x1b[48;2;");
|
||||
}
|
||||
|
||||
template <typename Char>
|
||||
FMT_CONSTEXPR ansi_color_escape<Char> make_emphasis(emphasis em) noexcept {
|
||||
return ansi_color_escape<Char>(em);
|
||||
}
|
||||
|
||||
template <typename Char> inline void fputs(const Char* chars, FILE* stream) {
|
||||
int result = std::fputs(chars, stream);
|
||||
if (result < 0)
|
||||
FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
|
||||
}
|
||||
|
||||
template <> inline void fputs<wchar_t>(const wchar_t* chars, FILE* stream) {
|
||||
int result = std::fputws(chars, stream);
|
||||
if (result < 0)
|
||||
FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
|
||||
}
|
||||
|
||||
template <typename Char> inline void reset_color(FILE* stream) {
|
||||
fputs("\x1b[0m", stream);
|
||||
}
|
||||
|
||||
template <> inline void reset_color<wchar_t>(FILE* stream) {
|
||||
fputs(L"\x1b[0m", stream);
|
||||
}
|
||||
|
||||
template <typename Char> inline void reset_color(buffer<Char>& buffer) {
|
||||
auto reset_color = string_view("\x1b[0m");
|
||||
buffer.append(reset_color.begin(), reset_color.end());
|
||||
}
|
||||
|
||||
template <typename T> struct styled_arg {
|
||||
const T& value;
|
||||
text_style style;
|
||||
};
|
||||
|
||||
template <typename Char>
|
||||
void vformat_to(buffer<Char>& buf, const text_style& ts,
|
||||
basic_string_view<Char> format_str,
|
||||
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
|
||||
bool has_style = false;
|
||||
if (ts.has_emphasis()) {
|
||||
has_style = true;
|
||||
auto emphasis = detail::make_emphasis<Char>(ts.get_emphasis());
|
||||
buf.append(emphasis.begin(), emphasis.end());
|
||||
}
|
||||
if (ts.has_foreground()) {
|
||||
has_style = true;
|
||||
auto foreground = detail::make_foreground_color<Char>(ts.get_foreground());
|
||||
buf.append(foreground.begin(), foreground.end());
|
||||
}
|
||||
if (ts.has_background()) {
|
||||
has_style = true;
|
||||
auto background = detail::make_background_color<Char>(ts.get_background());
|
||||
buf.append(background.begin(), background.end());
|
||||
}
|
||||
detail::vformat_to(buf, format_str, args, {});
|
||||
if (has_style) detail::reset_color<Char>(buf);
|
||||
}
|
||||
|
||||
FMT_END_DETAIL_NAMESPACE
|
||||
|
||||
template <typename S, typename Char = char_t<S>>
|
||||
void vprint(std::FILE* f, const text_style& ts, const S& format,
|
||||
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
|
||||
basic_memory_buffer<Char> buf;
|
||||
detail::vformat_to(buf, ts, to_string_view(format), args);
|
||||
if (detail::is_utf8()) {
|
||||
detail::print(f, basic_string_view<Char>(buf.begin(), buf.size()));
|
||||
} else {
|
||||
buf.push_back(Char(0));
|
||||
detail::fputs(buf.data(), f);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Formats a string and prints it to the specified file stream using ANSI
|
||||
escape sequences to specify text formatting.
|
||||
|
||||
**Example**::
|
||||
|
||||
fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
|
||||
"Elapsed time: {0:.2f} seconds", 1.23);
|
||||
\endrst
|
||||
*/
|
||||
template <typename S, typename... Args,
|
||||
FMT_ENABLE_IF(detail::is_string<S>::value)>
|
||||
void print(std::FILE* f, const text_style& ts, const S& format_str,
|
||||
const Args&... args) {
|
||||
vprint(f, ts, format_str,
|
||||
fmt::make_format_args<buffer_context<char_t<S>>>(args...));
|
||||
}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Formats a string and prints it to stdout using ANSI escape sequences to
|
||||
specify text formatting.
|
||||
|
||||
**Example**::
|
||||
|
||||
fmt::print(fmt::emphasis::bold | fg(fmt::color::red),
|
||||
"Elapsed time: {0:.2f} seconds", 1.23);
|
||||
\endrst
|
||||
*/
|
||||
template <typename S, typename... Args,
|
||||
FMT_ENABLE_IF(detail::is_string<S>::value)>
|
||||
void print(const text_style& ts, const S& format_str, const Args&... args) {
|
||||
return print(stdout, ts, format_str, args...);
|
||||
}
|
||||
|
||||
template <typename S, typename Char = char_t<S>>
|
||||
inline std::basic_string<Char> vformat(
|
||||
const text_style& ts, const S& format_str,
|
||||
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
|
||||
basic_memory_buffer<Char> buf;
|
||||
detail::vformat_to(buf, ts, to_string_view(format_str), args);
|
||||
return fmt::to_string(buf);
|
||||
}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Formats arguments and returns the result as a string using ANSI
|
||||
escape sequences to specify text formatting.
|
||||
|
||||
**Example**::
|
||||
|
||||
#include <fmt/color.h>
|
||||
std::string message = fmt::format(fmt::emphasis::bold | fg(fmt::color::red),
|
||||
"The answer is {}", 42);
|
||||
\endrst
|
||||
*/
|
||||
template <typename S, typename... Args, typename Char = char_t<S>>
|
||||
inline std::basic_string<Char> format(const text_style& ts, const S& format_str,
|
||||
const Args&... args) {
|
||||
return fmt::vformat(ts, to_string_view(format_str),
|
||||
fmt::make_format_args<buffer_context<Char>>(args...));
|
||||
}
|
||||
|
||||
/**
|
||||
Formats a string with the given text_style and writes the output to ``out``.
|
||||
*/
|
||||
template <typename OutputIt, typename Char,
|
||||
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value)>
|
||||
OutputIt vformat_to(
|
||||
OutputIt out, const text_style& ts, basic_string_view<Char> format_str,
|
||||
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
|
||||
auto&& buf = detail::get_buffer<Char>(out);
|
||||
detail::vformat_to(buf, ts, format_str, args);
|
||||
return detail::get_iterator(buf);
|
||||
}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Formats arguments with the given text_style, writes the result to the output
|
||||
iterator ``out`` and returns the iterator past the end of the output range.
|
||||
|
||||
**Example**::
|
||||
|
||||
std::vector<char> out;
|
||||
fmt::format_to(std::back_inserter(out),
|
||||
fmt::emphasis::bold | fg(fmt::color::red), "{}", 42);
|
||||
\endrst
|
||||
*/
|
||||
template <typename OutputIt, typename S, typename... Args,
|
||||
bool enable = detail::is_output_iterator<OutputIt, char_t<S>>::value&&
|
||||
detail::is_string<S>::value>
|
||||
inline auto format_to(OutputIt out, const text_style& ts, const S& format_str,
|
||||
Args&&... args) ->
|
||||
typename std::enable_if<enable, OutputIt>::type {
|
||||
return vformat_to(out, ts, to_string_view(format_str),
|
||||
fmt::make_format_args<buffer_context<char_t<S>>>(args...));
|
||||
}
|
||||
|
||||
template <typename T, typename Char>
|
||||
struct formatter<detail::styled_arg<T>, Char> : formatter<T, Char> {
|
||||
template <typename FormatContext>
|
||||
auto format(const detail::styled_arg<T>& arg, FormatContext& ctx) const
|
||||
-> decltype(ctx.out()) {
|
||||
const auto& ts = arg.style;
|
||||
const auto& value = arg.value;
|
||||
auto out = ctx.out();
|
||||
|
||||
bool has_style = false;
|
||||
if (ts.has_emphasis()) {
|
||||
has_style = true;
|
||||
auto emphasis = detail::make_emphasis<Char>(ts.get_emphasis());
|
||||
out = std::copy(emphasis.begin(), emphasis.end(), out);
|
||||
}
|
||||
if (ts.has_foreground()) {
|
||||
has_style = true;
|
||||
auto foreground =
|
||||
detail::make_foreground_color<Char>(ts.get_foreground());
|
||||
out = std::copy(foreground.begin(), foreground.end(), out);
|
||||
}
|
||||
if (ts.has_background()) {
|
||||
has_style = true;
|
||||
auto background =
|
||||
detail::make_background_color<Char>(ts.get_background());
|
||||
out = std::copy(background.begin(), background.end(), out);
|
||||
}
|
||||
out = formatter<T, Char>::format(value, ctx);
|
||||
if (has_style) {
|
||||
auto reset_color = string_view("\x1b[0m");
|
||||
out = std::copy(reset_color.begin(), reset_color.end(), out);
|
||||
}
|
||||
return out;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
\rst
|
||||
Returns an argument that will be formatted using ANSI escape sequences,
|
||||
to be used in a formatting function.
|
||||
|
||||
**Example**::
|
||||
|
||||
fmt::print("Elapsed time: {s:.2f} seconds",
|
||||
fmt::styled(1.23, fmt::fg(fmt::color::green) | fmt::bg(fmt::color::blue)));
|
||||
\endrst
|
||||
*/
|
||||
template <typename T>
|
||||
FMT_CONSTEXPR auto styled(const T& value, text_style ts)
|
||||
-> detail::styled_arg<remove_cvref_t<T>> {
|
||||
return detail::styled_arg<remove_cvref_t<T>>{value, ts};
|
||||
}
|
||||
|
||||
FMT_MODULE_EXPORT_END
|
||||
FMT_END_NAMESPACE
|
||||
|
||||
#endif // FMT_COLOR_H_
|
||||
|
|
@ -0,0 +1,602 @@
|
|||
// Formatting library for C++ - experimental format string compilation
|
||||
//
|
||||
// Copyright (c) 2012 - present, Victor Zverovich and fmt contributors
|
||||
// All rights reserved.
|
||||
//
|
||||
// For the license information refer to format.h.
|
||||
|
||||
#ifndef FMT_COMPILE_H_
|
||||
#define FMT_COMPILE_H_
|
||||
|
||||
#include "format.h"
|
||||
|
||||
FMT_BEGIN_NAMESPACE
|
||||
namespace detail {
|
||||
|
||||
template <typename Char, typename InputIt>
|
||||
inline counting_iterator copy_str(InputIt begin, InputIt end,
|
||||
counting_iterator it) {
|
||||
return it + (end - begin);
|
||||
}
|
||||
|
||||
template <typename OutputIt> class truncating_iterator_base {
|
||||
protected:
|
||||
OutputIt out_;
|
||||
size_t limit_;
|
||||
size_t count_ = 0;
|
||||
|
||||
truncating_iterator_base() : out_(), limit_(0) {}
|
||||
|
||||
truncating_iterator_base(OutputIt out, size_t limit)
|
||||
: out_(out), limit_(limit) {}
|
||||
|
||||
public:
|
||||
using iterator_category = std::output_iterator_tag;
|
||||
using value_type = typename std::iterator_traits<OutputIt>::value_type;
|
||||
using difference_type = std::ptrdiff_t;
|
||||
using pointer = void;
|
||||
using reference = void;
|
||||
FMT_UNCHECKED_ITERATOR(truncating_iterator_base);
|
||||
|
||||
OutputIt base() const { return out_; }
|
||||
size_t count() const { return count_; }
|
||||
};
|
||||
|
||||
// An output iterator that truncates the output and counts the number of objects
|
||||
// written to it.
|
||||
template <typename OutputIt,
|
||||
typename Enable = typename std::is_void<
|
||||
typename std::iterator_traits<OutputIt>::value_type>::type>
|
||||
class truncating_iterator;
|
||||
|
||||
template <typename OutputIt>
|
||||
class truncating_iterator<OutputIt, std::false_type>
|
||||
: public truncating_iterator_base<OutputIt> {
|
||||
mutable typename truncating_iterator_base<OutputIt>::value_type blackhole_;
|
||||
|
||||
public:
|
||||
using value_type = typename truncating_iterator_base<OutputIt>::value_type;
|
||||
|
||||
truncating_iterator() = default;
|
||||
|
||||
truncating_iterator(OutputIt out, size_t limit)
|
||||
: truncating_iterator_base<OutputIt>(out, limit) {}
|
||||
|
||||
truncating_iterator& operator++() {
|
||||
if (this->count_++ < this->limit_) ++this->out_;
|
||||
return *this;
|
||||
}
|
||||
|
||||
truncating_iterator operator++(int) {
|
||||
auto it = *this;
|
||||
++*this;
|
||||
return it;
|
||||
}
|
||||
|
||||
value_type& operator*() const {
|
||||
return this->count_ < this->limit_ ? *this->out_ : blackhole_;
|
||||
}
|
||||
};
|
||||
|
||||
template <typename OutputIt>
|
||||
class truncating_iterator<OutputIt, std::true_type>
|
||||
: public truncating_iterator_base<OutputIt> {
|
||||
public:
|
||||
truncating_iterator() = default;
|
||||
|
||||
truncating_iterator(OutputIt out, size_t limit)
|
||||
: truncating_iterator_base<OutputIt>(out, limit) {}
|
||||
|
||||
template <typename T> truncating_iterator& operator=(T val) {
|
||||
if (this->count_++ < this->limit_) *this->out_++ = val;
|
||||
return *this;
|
||||
}
|
||||
|
||||
truncating_iterator& operator++() { return *this; }
|
||||
truncating_iterator& operator++(int) { return *this; }
|
||||
truncating_iterator& operator*() { return *this; }
|
||||
};
|
||||
|
||||
// A compile-time string which is compiled into fast formatting code.
|
||||
class compiled_string {};
|
||||
|
||||
template <typename S>
|
||||
struct is_compiled_string : std::is_base_of<compiled_string, S> {};
|
||||
|
||||
/**
|
||||
\rst
|
||||
Converts a string literal *s* into a format string that will be parsed at
|
||||
compile time and converted into efficient formatting code. Requires C++17
|
||||
``constexpr if`` compiler support.
|
||||
|
||||
**Example**::
|
||||
|
||||
// Converts 42 into std::string using the most efficient method and no
|
||||
// runtime format string processing.
|
||||
std::string s = fmt::format(FMT_COMPILE("{}"), 42);
|
||||
\endrst
|
||||
*/
|
||||
#if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction)
|
||||
# define FMT_COMPILE(s) \
|
||||
FMT_STRING_IMPL(s, fmt::detail::compiled_string, explicit)
|
||||
#else
|
||||
# define FMT_COMPILE(s) FMT_STRING(s)
|
||||
#endif
|
||||
|
||||
#if FMT_USE_NONTYPE_TEMPLATE_PARAMETERS
|
||||
template <typename Char, size_t N,
|
||||
fmt::detail_exported::fixed_string<Char, N> Str>
|
||||
struct udl_compiled_string : compiled_string {
|
||||
using char_type = Char;
|
||||
explicit constexpr operator basic_string_view<char_type>() const {
|
||||
return {Str.data, N - 1};
|
||||
}
|
||||
};
|
||||
#endif
|
||||
|
||||
template <typename T, typename... Tail>
|
||||
const T& first(const T& value, const Tail&...) {
|
||||
return value;
|
||||
}
|
||||
|
||||
#if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction)
|
||||
template <typename... Args> struct type_list {};
|
||||
|
||||
// Returns a reference to the argument at index N from [first, rest...].
|
||||
template <int N, typename T, typename... Args>
|
||||
constexpr const auto& get([[maybe_unused]] const T& first,
|
||||
[[maybe_unused]] const Args&... rest) {
|
||||
static_assert(N < 1 + sizeof...(Args), "index is out of bounds");
|
||||
if constexpr (N == 0)
|
||||
return first;
|
||||
else
|
||||
return detail::get<N - 1>(rest...);
|
||||
}
|
||||
|
||||
template <typename Char, typename... Args>
|
||||
constexpr int get_arg_index_by_name(basic_string_view<Char> name,
|
||||
type_list<Args...>) {
|
||||
return get_arg_index_by_name<Args...>(name);
|
||||
}
|
||||
|
||||
template <int N, typename> struct get_type_impl;
|
||||
|
||||
template <int N, typename... Args> struct get_type_impl<N, type_list<Args...>> {
|
||||
using type =
|
||||
remove_cvref_t<decltype(detail::get<N>(std::declval<Args>()...))>;
|
||||
};
|
||||
|
||||
template <int N, typename T>
|
||||
using get_type = typename get_type_impl<N, T>::type;
|
||||
|
||||
template <typename T> struct is_compiled_format : std::false_type {};
|
||||
|
||||
template <typename Char> struct text {
|
||||
basic_string_view<Char> data;
|
||||
using char_type = Char;
|
||||
|
||||
template <typename OutputIt, typename... Args>
|
||||
constexpr OutputIt format(OutputIt out, const Args&...) const {
|
||||
return write<Char>(out, data);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Char>
|
||||
struct is_compiled_format<text<Char>> : std::true_type {};
|
||||
|
||||
template <typename Char>
|
||||
constexpr text<Char> make_text(basic_string_view<Char> s, size_t pos,
|
||||
size_t size) {
|
||||
return {{&s[pos], size}};
|
||||
}
|
||||
|
||||
template <typename Char> struct code_unit {
|
||||
Char value;
|
||||
using char_type = Char;
|
||||
|
||||
template <typename OutputIt, typename... Args>
|
||||
constexpr OutputIt format(OutputIt out, const Args&...) const {
|
||||
return write<Char>(out, value);
|
||||
}
|
||||
};
|
||||
|
||||
// This ensures that the argument type is convertible to `const T&`.
|
||||
template <typename T, int N, typename... Args>
|
||||
constexpr const T& get_arg_checked(const Args&... args) {
|
||||
const auto& arg = detail::get<N>(args...);
|
||||
if constexpr (detail::is_named_arg<remove_cvref_t<decltype(arg)>>()) {
|
||||
return arg.value;
|
||||
} else {
|
||||
return arg;
|
||||
}
|
||||
}
|
||||
|
||||
template <typename Char>
|
||||
struct is_compiled_format<code_unit<Char>> : std::true_type {};
|
||||
|
||||
// A replacement field that refers to argument N.
|
||||
template <typename Char, typename T, int N> struct field {
|
||||
using char_type = Char;
|
||||
|
||||
template <typename OutputIt, typename... Args>
|
||||
constexpr OutputIt format(OutputIt out, const Args&... args) const {
|
||||
return write<Char>(out, get_arg_checked<T, N>(args...));
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Char, typename T, int N>
|
||||
struct is_compiled_format<field<Char, T, N>> : std::true_type {};
|
||||
|
||||
// A replacement field that refers to argument with name.
|
||||
template <typename Char> struct runtime_named_field {
|
||||
using char_type = Char;
|
||||
basic_string_view<Char> name;
|
||||
|
||||
template <typename OutputIt, typename T>
|
||||
constexpr static bool try_format_argument(
|
||||
OutputIt& out,
|
||||
// [[maybe_unused]] due to unused-but-set-parameter warning in GCC 7,8,9
|
||||
[[maybe_unused]] basic_string_view<Char> arg_name, const T& arg) {
|
||||
if constexpr (is_named_arg<typename std::remove_cv<T>::type>::value) {
|
||||
if (arg_name == arg.name) {
|
||||
out = write<Char>(out, arg.value);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
template <typename OutputIt, typename... Args>
|
||||
constexpr OutputIt format(OutputIt out, const Args&... args) const {
|
||||
bool found = (try_format_argument(out, name, args) || ...);
|
||||
if (!found) {
|
||||
FMT_THROW(format_error("argument with specified name is not found"));
|
||||
}
|
||||
return out;
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Char>
|
||||
struct is_compiled_format<runtime_named_field<Char>> : std::true_type {};
|
||||
|
||||
// A replacement field that refers to argument N and has format specifiers.
|
||||
template <typename Char, typename T, int N> struct spec_field {
|
||||
using char_type = Char;
|
||||
formatter<T, Char> fmt;
|
||||
|
||||
template <typename OutputIt, typename... Args>
|
||||
constexpr FMT_INLINE OutputIt format(OutputIt out,
|
||||
const Args&... args) const {
|
||||
const auto& vargs =
|
||||
fmt::make_format_args<basic_format_context<OutputIt, Char>>(args...);
|
||||
basic_format_context<OutputIt, Char> ctx(out, vargs);
|
||||
return fmt.format(get_arg_checked<T, N>(args...), ctx);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Char, typename T, int N>
|
||||
struct is_compiled_format<spec_field<Char, T, N>> : std::true_type {};
|
||||
|
||||
template <typename L, typename R> struct concat {
|
||||
L lhs;
|
||||
R rhs;
|
||||
using char_type = typename L::char_type;
|
||||
|
||||
template <typename OutputIt, typename... Args>
|
||||
constexpr OutputIt format(OutputIt out, const Args&... args) const {
|
||||
out = lhs.format(out, args...);
|
||||
return rhs.format(out, args...);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename L, typename R>
|
||||
struct is_compiled_format<concat<L, R>> : std::true_type {};
|
||||
|
||||
template <typename L, typename R>
|
||||
constexpr concat<L, R> make_concat(L lhs, R rhs) {
|
||||
return {lhs, rhs};
|
||||
}
|
||||
|
||||
struct unknown_format {};
|
||||
|
||||
template <typename Char>
|
||||
constexpr size_t parse_text(basic_string_view<Char> str, size_t pos) {
|
||||
for (size_t size = str.size(); pos != size; ++pos) {
|
||||
if (str[pos] == '{' || str[pos] == '}') break;
|
||||
}
|
||||
return pos;
|
||||
}
|
||||
|
||||
template <typename Args, size_t POS, int ID, typename S>
|
||||
constexpr auto compile_format_string(S format_str);
|
||||
|
||||
template <typename Args, size_t POS, int ID, typename T, typename S>
|
||||
constexpr auto parse_tail(T head, S format_str) {
|
||||
if constexpr (POS !=
|
||||
basic_string_view<typename S::char_type>(format_str).size()) {
|
||||
constexpr auto tail = compile_format_string<Args, POS, ID>(format_str);
|
||||
if constexpr (std::is_same<remove_cvref_t<decltype(tail)>,
|
||||
unknown_format>())
|
||||
return tail;
|
||||
else
|
||||
return make_concat(head, tail);
|
||||
} else {
|
||||
return head;
|
||||
}
|
||||
}
|
||||
|
||||
template <typename T, typename Char> struct parse_specs_result {
|
||||
formatter<T, Char> fmt;
|
||||
size_t end;
|
||||
int next_arg_id;
|
||||
};
|
||||
|
||||
constexpr int manual_indexing_id = -1;
|
||||
|
||||
template <typename T, typename Char>
|
||||
constexpr parse_specs_result<T, Char> parse_specs(basic_string_view<Char> str,
|
||||
size_t pos, int next_arg_id) {
|
||||
str.remove_prefix(pos);
|
||||
auto ctx = basic_format_parse_context<Char>(str, {}, next_arg_id);
|
||||
auto f = formatter<T, Char>();
|
||||
auto end = f.parse(ctx);
|
||||
return {f, pos + fmt::detail::to_unsigned(end - str.data()) + 1,
|
||||
next_arg_id == 0 ? manual_indexing_id : ctx.next_arg_id()};
|
||||
}
|
||||
|
||||
template <typename Char> struct arg_id_handler {
|
||||
arg_ref<Char> arg_id;
|
||||
|
||||
constexpr int operator()() {
|
||||
FMT_ASSERT(false, "handler cannot be used with automatic indexing");
|
||||
return 0;
|
||||
}
|
||||
constexpr int operator()(int id) {
|
||||
arg_id = arg_ref<Char>(id);
|
||||
return 0;
|
||||
}
|
||||
constexpr int operator()(basic_string_view<Char> id) {
|
||||
arg_id = arg_ref<Char>(id);
|
||||
return 0;
|
||||
}
|
||||
|
||||
constexpr void on_error(const char* message) {
|
||||
FMT_THROW(format_error(message));
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Char> struct parse_arg_id_result {
|
||||
arg_ref<Char> arg_id;
|
||||
const Char* arg_id_end;
|
||||
};
|
||||
|
||||
template <int ID, typename Char>
|
||||
constexpr auto parse_arg_id(const Char* begin, const Char* end) {
|
||||
auto handler = arg_id_handler<Char>{arg_ref<Char>{}};
|
||||
auto arg_id_end = parse_arg_id(begin, end, handler);
|
||||
return parse_arg_id_result<Char>{handler.arg_id, arg_id_end};
|
||||
}
|
||||
|
||||
template <typename T, typename Enable = void> struct field_type {
|
||||
using type = remove_cvref_t<T>;
|
||||
};
|
||||
|
||||
template <typename T>
|
||||
struct field_type<T, enable_if_t<detail::is_named_arg<T>::value>> {
|
||||
using type = remove_cvref_t<decltype(T::value)>;
|
||||
};
|
||||
|
||||
template <typename T, typename Args, size_t END_POS, int ARG_INDEX, int NEXT_ID,
|
||||
typename S>
|
||||
constexpr auto parse_replacement_field_then_tail(S format_str) {
|
||||
using char_type = typename S::char_type;
|
||||
constexpr auto str = basic_string_view<char_type>(format_str);
|
||||
constexpr char_type c = END_POS != str.size() ? str[END_POS] : char_type();
|
||||
if constexpr (c == '}') {
|
||||
return parse_tail<Args, END_POS + 1, NEXT_ID>(
|
||||
field<char_type, typename field_type<T>::type, ARG_INDEX>(),
|
||||
format_str);
|
||||
} else if constexpr (c == ':') {
|
||||
constexpr auto result = parse_specs<typename field_type<T>::type>(
|
||||
str, END_POS + 1, NEXT_ID == manual_indexing_id ? 0 : NEXT_ID);
|
||||
return parse_tail<Args, result.end, result.next_arg_id>(
|
||||
spec_field<char_type, typename field_type<T>::type, ARG_INDEX>{
|
||||
result.fmt},
|
||||
format_str);
|
||||
}
|
||||
}
|
||||
|
||||
// Compiles a non-empty format string and returns the compiled representation
|
||||
// or unknown_format() on unrecognized input.
|
||||
template <typename Args, size_t POS, int ID, typename S>
|
||||
constexpr auto compile_format_string(S format_str) {
|
||||
using char_type = typename S::char_type;
|
||||
constexpr auto str = basic_string_view<char_type>(format_str);
|
||||
if constexpr (str[POS] == '{') {
|
||||
if constexpr (POS + 1 == str.size())
|
||||
FMT_THROW(format_error("unmatched '{' in format string"));
|
||||
if constexpr (str[POS + 1] == '{') {
|
||||
return parse_tail<Args, POS + 2, ID>(make_text(str, POS, 1), format_str);
|
||||
} else if constexpr (str[POS + 1] == '}' || str[POS + 1] == ':') {
|
||||
static_assert(ID != manual_indexing_id,
|
||||
"cannot switch from manual to automatic argument indexing");
|
||||
constexpr auto next_id =
|
||||
ID != manual_indexing_id ? ID + 1 : manual_indexing_id;
|
||||
return parse_replacement_field_then_tail<get_type<ID, Args>, Args,
|
||||
POS + 1, ID, next_id>(
|
||||
format_str);
|
||||
} else {
|
||||
constexpr auto arg_id_result =
|
||||
parse_arg_id<ID>(str.data() + POS + 1, str.data() + str.size());
|
||||
constexpr auto arg_id_end_pos = arg_id_result.arg_id_end - str.data();
|
||||
constexpr char_type c =
|
||||
arg_id_end_pos != str.size() ? str[arg_id_end_pos] : char_type();
|
||||
static_assert(c == '}' || c == ':', "missing '}' in format string");
|
||||
if constexpr (arg_id_result.arg_id.kind == arg_id_kind::index) {
|
||||
static_assert(
|
||||
ID == manual_indexing_id || ID == 0,
|
||||
"cannot switch from automatic to manual argument indexing");
|
||||
constexpr auto arg_index = arg_id_result.arg_id.val.index;
|
||||
return parse_replacement_field_then_tail<get_type<arg_index, Args>,
|
||||
Args, arg_id_end_pos,
|
||||
arg_index, manual_indexing_id>(
|
||||
format_str);
|
||||
} else if constexpr (arg_id_result.arg_id.kind == arg_id_kind::name) {
|
||||
constexpr auto arg_index =
|
||||
get_arg_index_by_name(arg_id_result.arg_id.val.name, Args{});
|
||||
if constexpr (arg_index != invalid_arg_index) {
|
||||
constexpr auto next_id =
|
||||
ID != manual_indexing_id ? ID + 1 : manual_indexing_id;
|
||||
return parse_replacement_field_then_tail<
|
||||
decltype(get_type<arg_index, Args>::value), Args, arg_id_end_pos,
|
||||
arg_index, next_id>(format_str);
|
||||
} else {
|
||||
if constexpr (c == '}') {
|
||||
return parse_tail<Args, arg_id_end_pos + 1, ID>(
|
||||
runtime_named_field<char_type>{arg_id_result.arg_id.val.name},
|
||||
format_str);
|
||||
} else if constexpr (c == ':') {
|
||||
return unknown_format(); // no type info for specs parsing
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
} else if constexpr (str[POS] == '}') {
|
||||
if constexpr (POS + 1 == str.size())
|
||||
FMT_THROW(format_error("unmatched '}' in format string"));
|
||||
return parse_tail<Args, POS + 2, ID>(make_text(str, POS, 1), format_str);
|
||||
} else {
|
||||
constexpr auto end = parse_text(str, POS + 1);
|
||||
if constexpr (end - POS > 1) {
|
||||
return parse_tail<Args, end, ID>(make_text(str, POS, end - POS),
|
||||
format_str);
|
||||
} else {
|
||||
return parse_tail<Args, end, ID>(code_unit<char_type>{str[POS]},
|
||||
format_str);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template <typename... Args, typename S,
|
||||
FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
|
||||
constexpr auto compile(S format_str) {
|
||||
constexpr auto str = basic_string_view<typename S::char_type>(format_str);
|
||||
if constexpr (str.size() == 0) {
|
||||
return detail::make_text(str, 0, 0);
|
||||
} else {
|
||||
constexpr auto result =
|
||||
detail::compile_format_string<detail::type_list<Args...>, 0, 0>(
|
||||
format_str);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
#endif // defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction)
|
||||
} // namespace detail
|
||||
|
||||
FMT_MODULE_EXPORT_BEGIN
|
||||
|
||||
#if defined(__cpp_if_constexpr) && defined(__cpp_return_type_deduction)
|
||||
|
||||
template <typename CompiledFormat, typename... Args,
|
||||
typename Char = typename CompiledFormat::char_type,
|
||||
FMT_ENABLE_IF(detail::is_compiled_format<CompiledFormat>::value)>
|
||||
FMT_INLINE std::basic_string<Char> format(const CompiledFormat& cf,
|
||||
const Args&... args) {
|
||||
auto s = std::basic_string<Char>();
|
||||
cf.format(std::back_inserter(s), args...);
|
||||
return s;
|
||||
}
|
||||
|
||||
template <typename OutputIt, typename CompiledFormat, typename... Args,
|
||||
FMT_ENABLE_IF(detail::is_compiled_format<CompiledFormat>::value)>
|
||||
constexpr FMT_INLINE OutputIt format_to(OutputIt out, const CompiledFormat& cf,
|
||||
const Args&... args) {
|
||||
return cf.format(out, args...);
|
||||
}
|
||||
|
||||
template <typename S, typename... Args,
|
||||
FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
|
||||
FMT_INLINE std::basic_string<typename S::char_type> format(const S&,
|
||||
Args&&... args) {
|
||||
if constexpr (std::is_same<typename S::char_type, char>::value) {
|
||||
constexpr auto str = basic_string_view<typename S::char_type>(S());
|
||||
if constexpr (str.size() == 2 && str[0] == '{' && str[1] == '}') {
|
||||
const auto& first = detail::first(args...);
|
||||
if constexpr (detail::is_named_arg<
|
||||
remove_cvref_t<decltype(first)>>::value) {
|
||||
return fmt::to_string(first.value);
|
||||
} else {
|
||||
return fmt::to_string(first);
|
||||
}
|
||||
}
|
||||
}
|
||||
constexpr auto compiled = detail::compile<Args...>(S());
|
||||
if constexpr (std::is_same<remove_cvref_t<decltype(compiled)>,
|
||||
detail::unknown_format>()) {
|
||||
return fmt::format(
|
||||
static_cast<basic_string_view<typename S::char_type>>(S()),
|
||||
std::forward<Args>(args)...);
|
||||
} else {
|
||||
return fmt::format(compiled, std::forward<Args>(args)...);
|
||||
}
|
||||
}
|
||||
|
||||
template <typename OutputIt, typename S, typename... Args,
|
||||
FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
|
||||
FMT_CONSTEXPR OutputIt format_to(OutputIt out, const S&, Args&&... args) {
|
||||
constexpr auto compiled = detail::compile<Args...>(S());
|
||||
if constexpr (std::is_same<remove_cvref_t<decltype(compiled)>,
|
||||
detail::unknown_format>()) {
|
||||
return fmt::format_to(
|
||||
out, static_cast<basic_string_view<typename S::char_type>>(S()),
|
||||
std::forward<Args>(args)...);
|
||||
} else {
|
||||
return fmt::format_to(out, compiled, std::forward<Args>(args)...);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
template <typename OutputIt, typename S, typename... Args,
|
||||
FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
|
||||
format_to_n_result<OutputIt> format_to_n(OutputIt out, size_t n,
|
||||
const S& format_str, Args&&... args) {
|
||||
auto it = fmt::format_to(detail::truncating_iterator<OutputIt>(out, n),
|
||||
format_str, std::forward<Args>(args)...);
|
||||
return {it.base(), it.count()};
|
||||
}
|
||||
|
||||
template <typename S, typename... Args,
|
||||
FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
|
||||
size_t formatted_size(const S& format_str, const Args&... args) {
|
||||
return fmt::format_to(detail::counting_iterator(), format_str, args...)
|
||||
.count();
|
||||
}
|
||||
|
||||
template <typename S, typename... Args,
|
||||
FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
|
||||
void print(std::FILE* f, const S& format_str, const Args&... args) {
|
||||
memory_buffer buffer;
|
||||
fmt::format_to(std::back_inserter(buffer), format_str, args...);
|
||||
detail::print(f, {buffer.data(), buffer.size()});
|
||||
}
|
||||
|
||||
template <typename S, typename... Args,
|
||||
FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
|
||||
void print(const S& format_str, const Args&... args) {
|
||||
print(stdout, format_str, args...);
|
||||
}
|
||||
|
||||
#if FMT_USE_NONTYPE_TEMPLATE_PARAMETERS
|
||||
inline namespace literals {
|
||||
template <detail_exported::fixed_string Str> constexpr auto operator""_cf() {
|
||||
using char_t = remove_cvref_t<decltype(Str.data[0])>;
|
||||
return detail::udl_compiled_string<char_t, sizeof(Str.data) / sizeof(char_t),
|
||||
Str>();
|
||||
}
|
||||
} // namespace literals
|
||||
#endif
|
||||
|
||||
FMT_MODULE_EXPORT_END
|
||||
FMT_END_NAMESPACE
|
||||
|
||||
#endif // FMT_COMPILE_H_
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,2 @@
|
|||
#include "xchar.h"
|
||||
#warning fmt/locale.h is deprecated, include fmt/format.h or fmt/xchar.h instead
|
||||
|
|
@ -0,0 +1,481 @@
|
|||
// Formatting library for C++ - optional OS-specific functionality
|
||||
//
|
||||
// Copyright (c) 2012 - present, Victor Zverovich
|
||||
// All rights reserved.
|
||||
//
|
||||
// For the license information refer to format.h.
|
||||
|
||||
#ifndef FMT_OS_H_
|
||||
#define FMT_OS_H_
|
||||
|
||||
#include <cerrno>
|
||||
#include <cstddef>
|
||||
#include <cstdio>
|
||||
#include <system_error> // std::system_error
|
||||
|
||||
#if defined __APPLE__ || defined(__FreeBSD__)
|
||||
# include <xlocale.h> // for LC_NUMERIC_MASK on OS X
|
||||
#endif
|
||||
|
||||
#include "format.h"
|
||||
|
||||
#ifndef FMT_USE_FCNTL
|
||||
// UWP doesn't provide _pipe.
|
||||
# if FMT_HAS_INCLUDE("winapifamily.h")
|
||||
# include <winapifamily.h>
|
||||
# endif
|
||||
# if (FMT_HAS_INCLUDE(<fcntl.h>) || defined(__APPLE__) || \
|
||||
defined(__linux__)) && \
|
||||
(!defined(WINAPI_FAMILY) || \
|
||||
(WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP))
|
||||
# include <fcntl.h> // for O_RDONLY
|
||||
# define FMT_USE_FCNTL 1
|
||||
# else
|
||||
# define FMT_USE_FCNTL 0
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#ifndef FMT_POSIX
|
||||
# if defined(_WIN32) && !defined(__MINGW32__)
|
||||
// Fix warnings about deprecated symbols.
|
||||
# define FMT_POSIX(call) _##call
|
||||
# else
|
||||
# define FMT_POSIX(call) call
|
||||
# endif
|
||||
#endif
|
||||
|
||||
// Calls to system functions are wrapped in FMT_SYSTEM for testability.
|
||||
#ifdef FMT_SYSTEM
|
||||
# define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
|
||||
#else
|
||||
# define FMT_SYSTEM(call) ::call
|
||||
# ifdef _WIN32
|
||||
// Fix warnings about deprecated symbols.
|
||||
# define FMT_POSIX_CALL(call) ::_##call
|
||||
# else
|
||||
# define FMT_POSIX_CALL(call) ::call
|
||||
# endif
|
||||
#endif
|
||||
|
||||
// Retries the expression while it evaluates to error_result and errno
|
||||
// equals to EINTR.
|
||||
#ifndef _WIN32
|
||||
# define FMT_RETRY_VAL(result, expression, error_result) \
|
||||
do { \
|
||||
(result) = (expression); \
|
||||
} while ((result) == (error_result) && errno == EINTR)
|
||||
#else
|
||||
# define FMT_RETRY_VAL(result, expression, error_result) result = (expression)
|
||||
#endif
|
||||
|
||||
#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
|
||||
|
||||
FMT_BEGIN_NAMESPACE
|
||||
FMT_MODULE_EXPORT_BEGIN
|
||||
|
||||
/**
|
||||
\rst
|
||||
A reference to a null-terminated string. It can be constructed from a C
|
||||
string or ``std::string``.
|
||||
|
||||
You can use one of the following type aliases for common character types:
|
||||
|
||||
+---------------+-----------------------------+
|
||||
| Type | Definition |
|
||||
+===============+=============================+
|
||||
| cstring_view | basic_cstring_view<char> |
|
||||
+---------------+-----------------------------+
|
||||
| wcstring_view | basic_cstring_view<wchar_t> |
|
||||
+---------------+-----------------------------+
|
||||
|
||||
This class is most useful as a parameter type to allow passing
|
||||
different types of strings to a function, for example::
|
||||
|
||||
template <typename... Args>
|
||||
std::string format(cstring_view format_str, const Args & ... args);
|
||||
|
||||
format("{}", 42);
|
||||
format(std::string("{}"), 42);
|
||||
\endrst
|
||||
*/
|
||||
template <typename Char> class basic_cstring_view {
|
||||
private:
|
||||
const Char* data_;
|
||||
|
||||
public:
|
||||
/** Constructs a string reference object from a C string. */
|
||||
basic_cstring_view(const Char* s) : data_(s) {}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Constructs a string reference from an ``std::string`` object.
|
||||
\endrst
|
||||
*/
|
||||
basic_cstring_view(const std::basic_string<Char>& s) : data_(s.c_str()) {}
|
||||
|
||||
/** Returns the pointer to a C string. */
|
||||
const Char* c_str() const { return data_; }
|
||||
};
|
||||
|
||||
using cstring_view = basic_cstring_view<char>;
|
||||
using wcstring_view = basic_cstring_view<wchar_t>;
|
||||
|
||||
template <typename Char> struct formatter<std::error_code, Char> {
|
||||
template <typename ParseContext>
|
||||
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
|
||||
return ctx.begin();
|
||||
}
|
||||
|
||||
template <typename FormatContext>
|
||||
FMT_CONSTEXPR auto format(const std::error_code& ec, FormatContext& ctx) const
|
||||
-> decltype(ctx.out()) {
|
||||
auto out = ctx.out();
|
||||
out = detail::write_bytes(out, ec.category().name(),
|
||||
basic_format_specs<Char>());
|
||||
out = detail::write<Char>(out, Char(':'));
|
||||
out = detail::write<Char>(out, ec.value());
|
||||
return out;
|
||||
}
|
||||
};
|
||||
|
||||
#ifdef _WIN32
|
||||
FMT_API const std::error_category& system_category() noexcept;
|
||||
|
||||
FMT_BEGIN_DETAIL_NAMESPACE
|
||||
// A converter from UTF-16 to UTF-8.
|
||||
// It is only provided for Windows since other systems support UTF-8 natively.
|
||||
class utf16_to_utf8 {
|
||||
private:
|
||||
memory_buffer buffer_;
|
||||
|
||||
public:
|
||||
utf16_to_utf8() {}
|
||||
FMT_API explicit utf16_to_utf8(basic_string_view<wchar_t> s);
|
||||
operator string_view() const { return string_view(&buffer_[0], size()); }
|
||||
size_t size() const { return buffer_.size() - 1; }
|
||||
const char* c_str() const { return &buffer_[0]; }
|
||||
std::string str() const { return std::string(&buffer_[0], size()); }
|
||||
|
||||
// Performs conversion returning a system error code instead of
|
||||
// throwing exception on conversion error. This method may still throw
|
||||
// in case of memory allocation error.
|
||||
FMT_API int convert(basic_string_view<wchar_t> s);
|
||||
};
|
||||
|
||||
FMT_API void format_windows_error(buffer<char>& out, int error_code,
|
||||
const char* message) noexcept;
|
||||
FMT_END_DETAIL_NAMESPACE
|
||||
|
||||
FMT_API std::system_error vwindows_error(int error_code, string_view format_str,
|
||||
format_args args);
|
||||
|
||||
/**
|
||||
\rst
|
||||
Constructs a :class:`std::system_error` object with the description
|
||||
of the form
|
||||
|
||||
.. parsed-literal::
|
||||
*<message>*: *<system-message>*
|
||||
|
||||
where *<message>* is the formatted message and *<system-message>* is the
|
||||
system message corresponding to the error code.
|
||||
*error_code* is a Windows error code as given by ``GetLastError``.
|
||||
If *error_code* is not a valid error code such as -1, the system message
|
||||
will look like "error -1".
|
||||
|
||||
**Example**::
|
||||
|
||||
// This throws a system_error with the description
|
||||
// cannot open file 'madeup': The system cannot find the file specified.
|
||||
// or similar (system message may vary).
|
||||
const char *filename = "madeup";
|
||||
LPOFSTRUCT of = LPOFSTRUCT();
|
||||
HFILE file = OpenFile(filename, &of, OF_READ);
|
||||
if (file == HFILE_ERROR) {
|
||||
throw fmt::windows_error(GetLastError(),
|
||||
"cannot open file '{}'", filename);
|
||||
}
|
||||
\endrst
|
||||
*/
|
||||
template <typename... Args>
|
||||
std::system_error windows_error(int error_code, string_view message,
|
||||
const Args&... args) {
|
||||
return vwindows_error(error_code, message, fmt::make_format_args(args...));
|
||||
}
|
||||
|
||||
// Reports a Windows error without throwing an exception.
|
||||
// Can be used to report errors from destructors.
|
||||
FMT_API void report_windows_error(int error_code, const char* message) noexcept;
|
||||
#else
|
||||
inline const std::error_category& system_category() noexcept {
|
||||
return std::system_category();
|
||||
}
|
||||
#endif // _WIN32
|
||||
|
||||
// std::system is not available on some platforms such as iOS (#2248).
|
||||
#ifdef __OSX__
|
||||
template <typename S, typename... Args, typename Char = char_t<S>>
|
||||
void say(const S& format_str, Args&&... args) {
|
||||
std::system(format("say \"{}\"", format(format_str, args...)).c_str());
|
||||
}
|
||||
#endif
|
||||
|
||||
// A buffered file.
|
||||
class buffered_file {
|
||||
private:
|
||||
FILE* file_;
|
||||
|
||||
friend class file;
|
||||
|
||||
explicit buffered_file(FILE* f) : file_(f) {}
|
||||
|
||||
public:
|
||||
buffered_file(const buffered_file&) = delete;
|
||||
void operator=(const buffered_file&) = delete;
|
||||
|
||||
// Constructs a buffered_file object which doesn't represent any file.
|
||||
buffered_file() noexcept : file_(nullptr) {}
|
||||
|
||||
// Destroys the object closing the file it represents if any.
|
||||
FMT_API ~buffered_file() noexcept;
|
||||
|
||||
public:
|
||||
buffered_file(buffered_file&& other) noexcept : file_(other.file_) {
|
||||
other.file_ = nullptr;
|
||||
}
|
||||
|
||||
buffered_file& operator=(buffered_file&& other) {
|
||||
close();
|
||||
file_ = other.file_;
|
||||
other.file_ = nullptr;
|
||||
return *this;
|
||||
}
|
||||
|
||||
// Opens a file.
|
||||
FMT_API buffered_file(cstring_view filename, cstring_view mode);
|
||||
|
||||
// Closes the file.
|
||||
FMT_API void close();
|
||||
|
||||
// Returns the pointer to a FILE object representing this file.
|
||||
FILE* get() const noexcept { return file_; }
|
||||
|
||||
// We place parentheses around fileno to workaround a bug in some versions
|
||||
// of MinGW that define fileno as a macro.
|
||||
// DEPRECATED! Rename to descriptor to avoid issues with macros.
|
||||
FMT_API int(fileno)() const;
|
||||
|
||||
void vprint(string_view format_str, format_args args) {
|
||||
fmt::vprint(file_, format_str, args);
|
||||
}
|
||||
|
||||
template <typename... Args>
|
||||
inline void print(string_view format_str, const Args&... args) {
|
||||
vprint(format_str, fmt::make_format_args(args...));
|
||||
}
|
||||
};
|
||||
|
||||
#if FMT_USE_FCNTL
|
||||
// A file. Closed file is represented by a file object with descriptor -1.
|
||||
// Methods that are not declared with noexcept may throw
|
||||
// fmt::system_error in case of failure. Note that some errors such as
|
||||
// closing the file multiple times will cause a crash on Windows rather
|
||||
// than an exception. You can get standard behavior by overriding the
|
||||
// invalid parameter handler with _set_invalid_parameter_handler.
|
||||
class FMT_API file {
|
||||
private:
|
||||
int fd_; // File descriptor.
|
||||
|
||||
// Constructs a file object with a given descriptor.
|
||||
explicit file(int fd) : fd_(fd) {}
|
||||
|
||||
public:
|
||||
// Possible values for the oflag argument to the constructor.
|
||||
enum {
|
||||
RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
|
||||
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
|
||||
RDWR = FMT_POSIX(O_RDWR), // Open for reading and writing.
|
||||
CREATE = FMT_POSIX(O_CREAT), // Create if the file doesn't exist.
|
||||
APPEND = FMT_POSIX(O_APPEND), // Open in append mode.
|
||||
TRUNC = FMT_POSIX(O_TRUNC) // Truncate the content of the file.
|
||||
};
|
||||
|
||||
// Constructs a file object which doesn't represent any file.
|
||||
file() noexcept : fd_(-1) {}
|
||||
|
||||
// Opens a file and constructs a file object representing this file.
|
||||
file(cstring_view path, int oflag);
|
||||
|
||||
public:
|
||||
file(const file&) = delete;
|
||||
void operator=(const file&) = delete;
|
||||
|
||||
file(file&& other) noexcept : fd_(other.fd_) { other.fd_ = -1; }
|
||||
|
||||
// Move assignment is not noexcept because close may throw.
|
||||
file& operator=(file&& other) {
|
||||
close();
|
||||
fd_ = other.fd_;
|
||||
other.fd_ = -1;
|
||||
return *this;
|
||||
}
|
||||
|
||||
// Destroys the object closing the file it represents if any.
|
||||
~file() noexcept;
|
||||
|
||||
// Returns the file descriptor.
|
||||
int descriptor() const noexcept { return fd_; }
|
||||
|
||||
// Closes the file.
|
||||
void close();
|
||||
|
||||
// Returns the file size. The size has signed type for consistency with
|
||||
// stat::st_size.
|
||||
long long size() const;
|
||||
|
||||
// Attempts to read count bytes from the file into the specified buffer.
|
||||
size_t read(void* buffer, size_t count);
|
||||
|
||||
// Attempts to write count bytes from the specified buffer to the file.
|
||||
size_t write(const void* buffer, size_t count);
|
||||
|
||||
// Duplicates a file descriptor with the dup function and returns
|
||||
// the duplicate as a file object.
|
||||
static file dup(int fd);
|
||||
|
||||
// Makes fd be the copy of this file descriptor, closing fd first if
|
||||
// necessary.
|
||||
void dup2(int fd);
|
||||
|
||||
// Makes fd be the copy of this file descriptor, closing fd first if
|
||||
// necessary.
|
||||
void dup2(int fd, std::error_code& ec) noexcept;
|
||||
|
||||
// Creates a pipe setting up read_end and write_end file objects for reading
|
||||
// and writing respectively.
|
||||
static void pipe(file& read_end, file& write_end);
|
||||
|
||||
// Creates a buffered_file object associated with this file and detaches
|
||||
// this file object from the file.
|
||||
buffered_file fdopen(const char* mode);
|
||||
};
|
||||
|
||||
// Returns the memory page size.
|
||||
long getpagesize();
|
||||
|
||||
FMT_BEGIN_DETAIL_NAMESPACE
|
||||
|
||||
struct buffer_size {
|
||||
buffer_size() = default;
|
||||
size_t value = 0;
|
||||
buffer_size operator=(size_t val) const {
|
||||
auto bs = buffer_size();
|
||||
bs.value = val;
|
||||
return bs;
|
||||
}
|
||||
};
|
||||
|
||||
struct ostream_params {
|
||||
int oflag = file::WRONLY | file::CREATE | file::TRUNC;
|
||||
size_t buffer_size = BUFSIZ > 32768 ? BUFSIZ : 32768;
|
||||
|
||||
ostream_params() {}
|
||||
|
||||
template <typename... T>
|
||||
ostream_params(T... params, int new_oflag) : ostream_params(params...) {
|
||||
oflag = new_oflag;
|
||||
}
|
||||
|
||||
template <typename... T>
|
||||
ostream_params(T... params, detail::buffer_size bs)
|
||||
: ostream_params(params...) {
|
||||
this->buffer_size = bs.value;
|
||||
}
|
||||
|
||||
// Intel has a bug that results in failure to deduce a constructor
|
||||
// for empty parameter packs.
|
||||
# if defined(__INTEL_COMPILER) && __INTEL_COMPILER < 2000
|
||||
ostream_params(int new_oflag) : oflag(new_oflag) {}
|
||||
ostream_params(detail::buffer_size bs) : buffer_size(bs.value) {}
|
||||
# endif
|
||||
};
|
||||
|
||||
FMT_END_DETAIL_NAMESPACE
|
||||
|
||||
// Added {} below to work around default constructor error known to
|
||||
// occur in Xcode versions 7.2.1 and 8.2.1.
|
||||
constexpr detail::buffer_size buffer_size{};
|
||||
|
||||
/** A fast output stream which is not thread-safe. */
|
||||
class FMT_API ostream final : private detail::buffer<char> {
|
||||
private:
|
||||
file file_;
|
||||
|
||||
void grow(size_t) override;
|
||||
|
||||
ostream(cstring_view path, const detail::ostream_params& params)
|
||||
: file_(path, params.oflag) {
|
||||
set(new char[params.buffer_size], params.buffer_size);
|
||||
}
|
||||
|
||||
public:
|
||||
ostream(ostream&& other)
|
||||
: detail::buffer<char>(other.data(), other.size(), other.capacity()),
|
||||
file_(std::move(other.file_)) {
|
||||
other.clear();
|
||||
other.set(nullptr, 0);
|
||||
}
|
||||
~ostream() {
|
||||
flush();
|
||||
delete[] data();
|
||||
}
|
||||
|
||||
void flush() {
|
||||
if (size() == 0) return;
|
||||
file_.write(data(), size());
|
||||
clear();
|
||||
}
|
||||
|
||||
template <typename... T>
|
||||
friend ostream output_file(cstring_view path, T... params);
|
||||
|
||||
void close() {
|
||||
flush();
|
||||
file_.close();
|
||||
}
|
||||
|
||||
/**
|
||||
Formats ``args`` according to specifications in ``fmt`` and writes the
|
||||
output to the file.
|
||||
*/
|
||||
template <typename... T> void print(format_string<T...> fmt, T&&... args) {
|
||||
vformat_to(detail::buffer_appender<char>(*this), fmt,
|
||||
fmt::make_format_args(args...));
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
\rst
|
||||
Opens a file for writing. Supported parameters passed in *params*:
|
||||
|
||||
* ``<integer>``: Flags passed to `open
|
||||
<https://pubs.opengroup.org/onlinepubs/007904875/functions/open.html>`_
|
||||
(``file::WRONLY | file::CREATE | file::TRUNC`` by default)
|
||||
* ``buffer_size=<integer>``: Output buffer size
|
||||
|
||||
**Example**::
|
||||
|
||||
auto out = fmt::output_file("guide.txt");
|
||||
out.print("Don't {}", "Panic");
|
||||
\endrst
|
||||
*/
|
||||
template <typename... T>
|
||||
inline ostream output_file(cstring_view path, T... params) {
|
||||
return {path, detail::ostream_params(params...)};
|
||||
}
|
||||
#endif // FMT_USE_FCNTL
|
||||
|
||||
FMT_MODULE_EXPORT_END
|
||||
FMT_END_NAMESPACE
|
||||
|
||||
#endif // FMT_OS_H_
|
||||
|
|
@ -0,0 +1,193 @@
|
|||
// Formatting library for C++ - std::ostream support
|
||||
//
|
||||
// Copyright (c) 2012 - present, Victor Zverovich
|
||||
// All rights reserved.
|
||||
//
|
||||
// For the license information refer to format.h.
|
||||
|
||||
#ifndef FMT_OSTREAM_H_
|
||||
#define FMT_OSTREAM_H_
|
||||
|
||||
#include <fstream>
|
||||
#include <ostream>
|
||||
|
||||
#include "format.h"
|
||||
|
||||
FMT_BEGIN_NAMESPACE
|
||||
|
||||
template <typename OutputIt, typename Char> class basic_printf_context;
|
||||
|
||||
namespace detail {
|
||||
|
||||
// Checks if T has a user-defined operator<<.
|
||||
template <typename T, typename Char, typename Enable = void>
|
||||
class is_streamable {
|
||||
private:
|
||||
template <typename U>
|
||||
static auto test(int)
|
||||
-> bool_constant<sizeof(std::declval<std::basic_ostream<Char>&>()
|
||||
<< std::declval<U>()) != 0>;
|
||||
|
||||
template <typename> static auto test(...) -> std::false_type;
|
||||
|
||||
using result = decltype(test<T>(0));
|
||||
|
||||
public:
|
||||
is_streamable() = default;
|
||||
|
||||
static const bool value = result::value;
|
||||
};
|
||||
|
||||
// Formatting of built-in types and arrays is intentionally disabled because
|
||||
// it's handled by standard (non-ostream) formatters.
|
||||
template <typename T, typename Char>
|
||||
struct is_streamable<
|
||||
T, Char,
|
||||
enable_if_t<
|
||||
std::is_arithmetic<T>::value || std::is_array<T>::value ||
|
||||
std::is_pointer<T>::value || std::is_same<T, char8_type>::value ||
|
||||
std::is_convertible<T, fmt::basic_string_view<Char>>::value ||
|
||||
std::is_same<T, std_string_view<Char>>::value ||
|
||||
(std::is_convertible<T, int>::value && !std::is_enum<T>::value)>>
|
||||
: std::false_type {};
|
||||
|
||||
template <typename Char> FILE* get_file(std::basic_filebuf<Char>&) {
|
||||
return nullptr;
|
||||
}
|
||||
|
||||
struct dummy_filebuf {
|
||||
FILE* _Myfile;
|
||||
};
|
||||
template <typename T, typename U = int> struct ms_filebuf {
|
||||
using type = dummy_filebuf;
|
||||
};
|
||||
template <typename T> struct ms_filebuf<T, decltype(T::_Myfile, 0)> {
|
||||
using type = T;
|
||||
};
|
||||
using filebuf_type = ms_filebuf<std::filebuf>::type;
|
||||
|
||||
FILE* get_file(filebuf_type& buf);
|
||||
|
||||
// Generate a unique explicit instantion in every translation unit using a tag
|
||||
// type in an anonymous namespace.
|
||||
namespace {
|
||||
struct filebuf_access_tag {};
|
||||
} // namespace
|
||||
template <typename Tag, typename FileMemberPtr, FileMemberPtr file>
|
||||
class filebuf_access {
|
||||
friend FILE* get_file(filebuf_type& buf) { return buf.*file; }
|
||||
};
|
||||
template class filebuf_access<filebuf_access_tag,
|
||||
decltype(&filebuf_type::_Myfile),
|
||||
&filebuf_type::_Myfile>;
|
||||
|
||||
inline bool write(std::filebuf& buf, fmt::string_view data) {
|
||||
print(get_file(buf), data);
|
||||
return true;
|
||||
}
|
||||
inline bool write(std::wfilebuf&, fmt::basic_string_view<wchar_t>) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// Write the content of buf to os.
|
||||
// It is a separate function rather than a part of vprint to simplify testing.
|
||||
template <typename Char>
|
||||
void write_buffer(std::basic_ostream<Char>& os, buffer<Char>& buf) {
|
||||
if (const_check(FMT_MSC_VER)) {
|
||||
auto filebuf = dynamic_cast<std::basic_filebuf<Char>*>(os.rdbuf());
|
||||
if (filebuf && write(*filebuf, {buf.data(), buf.size()})) return;
|
||||
}
|
||||
const Char* buf_data = buf.data();
|
||||
using unsigned_streamsize = std::make_unsigned<std::streamsize>::type;
|
||||
unsigned_streamsize size = buf.size();
|
||||
unsigned_streamsize max_size = to_unsigned(max_value<std::streamsize>());
|
||||
do {
|
||||
unsigned_streamsize n = size <= max_size ? size : max_size;
|
||||
os.write(buf_data, static_cast<std::streamsize>(n));
|
||||
buf_data += n;
|
||||
size -= n;
|
||||
} while (size != 0);
|
||||
}
|
||||
|
||||
template <typename Char, typename T>
|
||||
void format_value(buffer<Char>& buf, const T& value,
|
||||
locale_ref loc = locale_ref()) {
|
||||
auto&& format_buf = formatbuf<std::basic_streambuf<Char>>(buf);
|
||||
auto&& output = std::basic_ostream<Char>(&format_buf);
|
||||
#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR)
|
||||
if (loc) output.imbue(loc.get<std::locale>());
|
||||
#endif
|
||||
output << value;
|
||||
output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
|
||||
}
|
||||
} // namespace detail
|
||||
|
||||
// Formats an object of type T that has an overloaded ostream operator<<.
|
||||
template <typename Char>
|
||||
struct basic_ostream_formatter : formatter<basic_string_view<Char>, Char> {
|
||||
template <typename T, typename OutputIt>
|
||||
auto format(const T& value, basic_format_context<OutputIt, Char>& ctx) const
|
||||
-> OutputIt {
|
||||
auto buffer = basic_memory_buffer<Char>();
|
||||
format_value(buffer, value, ctx.locale());
|
||||
return formatter<basic_string_view<Char>, Char>::format(
|
||||
{buffer.data(), buffer.size()}, ctx);
|
||||
}
|
||||
};
|
||||
|
||||
using ostream_formatter = basic_ostream_formatter<char>;
|
||||
|
||||
namespace detail {
|
||||
|
||||
// Formats an object of type T that has an overloaded ostream operator<<.
|
||||
template <typename T, typename Char>
|
||||
struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>>
|
||||
: basic_ostream_formatter<Char> {
|
||||
using basic_ostream_formatter<Char>::format;
|
||||
// DEPRECATED!
|
||||
template <typename OutputIt>
|
||||
auto format(const T& value, basic_printf_context<OutputIt, Char>& ctx) const
|
||||
-> OutputIt {
|
||||
auto buffer = basic_memory_buffer<Char>();
|
||||
format_value(buffer, value, ctx.locale());
|
||||
return std::copy(buffer.begin(), buffer.end(), ctx.out());
|
||||
}
|
||||
};
|
||||
} // namespace detail
|
||||
|
||||
FMT_MODULE_EXPORT
|
||||
template <typename Char>
|
||||
void vprint(std::basic_ostream<Char>& os,
|
||||
basic_string_view<type_identity_t<Char>> format_str,
|
||||
basic_format_args<buffer_context<type_identity_t<Char>>> args) {
|
||||
auto buffer = basic_memory_buffer<Char>();
|
||||
detail::vformat_to(buffer, format_str, args);
|
||||
detail::write_buffer(os, buffer);
|
||||
}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Prints formatted data to the stream *os*.
|
||||
|
||||
**Example**::
|
||||
|
||||
fmt::print(cerr, "Don't {}!", "panic");
|
||||
\endrst
|
||||
*/
|
||||
FMT_MODULE_EXPORT
|
||||
template <typename... T>
|
||||
void print(std::ostream& os, format_string<T...> fmt, T&&... args) {
|
||||
vprint(os, fmt, fmt::make_format_args(args...));
|
||||
}
|
||||
|
||||
FMT_MODULE_EXPORT
|
||||
template <typename... Args>
|
||||
void print(std::wostream& os,
|
||||
basic_format_string<wchar_t, type_identity_t<Args>...> fmt,
|
||||
Args&&... args) {
|
||||
vprint(os, fmt, fmt::make_format_args<buffer_context<wchar_t>>(args...));
|
||||
}
|
||||
|
||||
FMT_END_NAMESPACE
|
||||
|
||||
#endif // FMT_OSTREAM_H_
|
||||
|
|
@ -0,0 +1,657 @@
|
|||
// Formatting library for C++ - legacy printf implementation
|
||||
//
|
||||
// Copyright (c) 2012 - 2016, Victor Zverovich
|
||||
// All rights reserved.
|
||||
//
|
||||
// For the license information refer to format.h.
|
||||
|
||||
#ifndef FMT_PRINTF_H_
|
||||
#define FMT_PRINTF_H_
|
||||
|
||||
#include <algorithm> // std::max
|
||||
#include <limits> // std::numeric_limits
|
||||
#include <ostream>
|
||||
|
||||
#include "format.h"
|
||||
|
||||
FMT_BEGIN_NAMESPACE
|
||||
FMT_MODULE_EXPORT_BEGIN
|
||||
|
||||
template <typename T> struct printf_formatter { printf_formatter() = delete; };
|
||||
|
||||
template <typename Char>
|
||||
class basic_printf_parse_context : public basic_format_parse_context<Char> {
|
||||
using basic_format_parse_context<Char>::basic_format_parse_context;
|
||||
};
|
||||
|
||||
template <typename OutputIt, typename Char> class basic_printf_context {
|
||||
private:
|
||||
OutputIt out_;
|
||||
basic_format_args<basic_printf_context> args_;
|
||||
|
||||
public:
|
||||
using char_type = Char;
|
||||
using format_arg = basic_format_arg<basic_printf_context>;
|
||||
using parse_context_type = basic_printf_parse_context<Char>;
|
||||
template <typename T> using formatter_type = printf_formatter<T>;
|
||||
|
||||
/**
|
||||
\rst
|
||||
Constructs a ``printf_context`` object. References to the arguments are
|
||||
stored in the context object so make sure they have appropriate lifetimes.
|
||||
\endrst
|
||||
*/
|
||||
basic_printf_context(OutputIt out,
|
||||
basic_format_args<basic_printf_context> args)
|
||||
: out_(out), args_(args) {}
|
||||
|
||||
OutputIt out() { return out_; }
|
||||
void advance_to(OutputIt it) { out_ = it; }
|
||||
|
||||
detail::locale_ref locale() { return {}; }
|
||||
|
||||
format_arg arg(int id) const { return args_.get(id); }
|
||||
|
||||
FMT_CONSTEXPR void on_error(const char* message) {
|
||||
detail::error_handler().on_error(message);
|
||||
}
|
||||
};
|
||||
|
||||
FMT_BEGIN_DETAIL_NAMESPACE
|
||||
|
||||
// Checks if a value fits in int - used to avoid warnings about comparing
|
||||
// signed and unsigned integers.
|
||||
template <bool IsSigned> struct int_checker {
|
||||
template <typename T> static bool fits_in_int(T value) {
|
||||
unsigned max = max_value<int>();
|
||||
return value <= max;
|
||||
}
|
||||
static bool fits_in_int(bool) { return true; }
|
||||
};
|
||||
|
||||
template <> struct int_checker<true> {
|
||||
template <typename T> static bool fits_in_int(T value) {
|
||||
return value >= (std::numeric_limits<int>::min)() &&
|
||||
value <= max_value<int>();
|
||||
}
|
||||
static bool fits_in_int(int) { return true; }
|
||||
};
|
||||
|
||||
class printf_precision_handler {
|
||||
public:
|
||||
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
|
||||
int operator()(T value) {
|
||||
if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
|
||||
FMT_THROW(format_error("number is too big"));
|
||||
return (std::max)(static_cast<int>(value), 0);
|
||||
}
|
||||
|
||||
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
|
||||
int operator()(T) {
|
||||
FMT_THROW(format_error("precision is not integer"));
|
||||
return 0;
|
||||
}
|
||||
};
|
||||
|
||||
// An argument visitor that returns true iff arg is a zero integer.
|
||||
class is_zero_int {
|
||||
public:
|
||||
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
|
||||
bool operator()(T value) {
|
||||
return value == 0;
|
||||
}
|
||||
|
||||
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
|
||||
bool operator()(T) {
|
||||
return false;
|
||||
}
|
||||
};
|
||||
|
||||
template <typename T> struct make_unsigned_or_bool : std::make_unsigned<T> {};
|
||||
|
||||
template <> struct make_unsigned_or_bool<bool> { using type = bool; };
|
||||
|
||||
template <typename T, typename Context> class arg_converter {
|
||||
private:
|
||||
using char_type = typename Context::char_type;
|
||||
|
||||
basic_format_arg<Context>& arg_;
|
||||
char_type type_;
|
||||
|
||||
public:
|
||||
arg_converter(basic_format_arg<Context>& arg, char_type type)
|
||||
: arg_(arg), type_(type) {}
|
||||
|
||||
void operator()(bool value) {
|
||||
if (type_ != 's') operator()<bool>(value);
|
||||
}
|
||||
|
||||
template <typename U, FMT_ENABLE_IF(std::is_integral<U>::value)>
|
||||
void operator()(U value) {
|
||||
bool is_signed = type_ == 'd' || type_ == 'i';
|
||||
using target_type = conditional_t<std::is_same<T, void>::value, U, T>;
|
||||
if (const_check(sizeof(target_type) <= sizeof(int))) {
|
||||
// Extra casts are used to silence warnings.
|
||||
if (is_signed) {
|
||||
arg_ = detail::make_arg<Context>(
|
||||
static_cast<int>(static_cast<target_type>(value)));
|
||||
} else {
|
||||
using unsigned_type = typename make_unsigned_or_bool<target_type>::type;
|
||||
arg_ = detail::make_arg<Context>(
|
||||
static_cast<unsigned>(static_cast<unsigned_type>(value)));
|
||||
}
|
||||
} else {
|
||||
if (is_signed) {
|
||||
// glibc's printf doesn't sign extend arguments of smaller types:
|
||||
// std::printf("%lld", -42); // prints "4294967254"
|
||||
// but we don't have to do the same because it's a UB.
|
||||
arg_ = detail::make_arg<Context>(static_cast<long long>(value));
|
||||
} else {
|
||||
arg_ = detail::make_arg<Context>(
|
||||
static_cast<typename make_unsigned_or_bool<U>::type>(value));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template <typename U, FMT_ENABLE_IF(!std::is_integral<U>::value)>
|
||||
void operator()(U) {} // No conversion needed for non-integral types.
|
||||
};
|
||||
|
||||
// Converts an integer argument to T for printf, if T is an integral type.
|
||||
// If T is void, the argument is converted to corresponding signed or unsigned
|
||||
// type depending on the type specifier: 'd' and 'i' - signed, other -
|
||||
// unsigned).
|
||||
template <typename T, typename Context, typename Char>
|
||||
void convert_arg(basic_format_arg<Context>& arg, Char type) {
|
||||
visit_format_arg(arg_converter<T, Context>(arg, type), arg);
|
||||
}
|
||||
|
||||
// Converts an integer argument to char for printf.
|
||||
template <typename Context> class char_converter {
|
||||
private:
|
||||
basic_format_arg<Context>& arg_;
|
||||
|
||||
public:
|
||||
explicit char_converter(basic_format_arg<Context>& arg) : arg_(arg) {}
|
||||
|
||||
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
|
||||
void operator()(T value) {
|
||||
arg_ = detail::make_arg<Context>(
|
||||
static_cast<typename Context::char_type>(value));
|
||||
}
|
||||
|
||||
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
|
||||
void operator()(T) {} // No conversion needed for non-integral types.
|
||||
};
|
||||
|
||||
// An argument visitor that return a pointer to a C string if argument is a
|
||||
// string or null otherwise.
|
||||
template <typename Char> struct get_cstring {
|
||||
template <typename T> const Char* operator()(T) { return nullptr; }
|
||||
const Char* operator()(const Char* s) { return s; }
|
||||
};
|
||||
|
||||
// Checks if an argument is a valid printf width specifier and sets
|
||||
// left alignment if it is negative.
|
||||
template <typename Char> class printf_width_handler {
|
||||
private:
|
||||
using format_specs = basic_format_specs<Char>;
|
||||
|
||||
format_specs& specs_;
|
||||
|
||||
public:
|
||||
explicit printf_width_handler(format_specs& specs) : specs_(specs) {}
|
||||
|
||||
template <typename T, FMT_ENABLE_IF(std::is_integral<T>::value)>
|
||||
unsigned operator()(T value) {
|
||||
auto width = static_cast<uint32_or_64_or_128_t<T>>(value);
|
||||
if (detail::is_negative(value)) {
|
||||
specs_.align = align::left;
|
||||
width = 0 - width;
|
||||
}
|
||||
unsigned int_max = max_value<int>();
|
||||
if (width > int_max) FMT_THROW(format_error("number is too big"));
|
||||
return static_cast<unsigned>(width);
|
||||
}
|
||||
|
||||
template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>
|
||||
unsigned operator()(T) {
|
||||
FMT_THROW(format_error("width is not integer"));
|
||||
return 0;
|
||||
}
|
||||
};
|
||||
|
||||
// The ``printf`` argument formatter.
|
||||
template <typename OutputIt, typename Char>
|
||||
class printf_arg_formatter : public arg_formatter<Char> {
|
||||
private:
|
||||
using base = arg_formatter<Char>;
|
||||
using context_type = basic_printf_context<OutputIt, Char>;
|
||||
using format_specs = basic_format_specs<Char>;
|
||||
|
||||
context_type& context_;
|
||||
|
||||
OutputIt write_null_pointer(bool is_string = false) {
|
||||
auto s = this->specs;
|
||||
s.type = presentation_type::none;
|
||||
return write_bytes(this->out, is_string ? "(null)" : "(nil)", s);
|
||||
}
|
||||
|
||||
public:
|
||||
printf_arg_formatter(OutputIt iter, format_specs& s, context_type& ctx)
|
||||
: base{iter, s, locale_ref()}, context_(ctx) {}
|
||||
|
||||
OutputIt operator()(monostate value) { return base::operator()(value); }
|
||||
|
||||
template <typename T, FMT_ENABLE_IF(detail::is_integral<T>::value)>
|
||||
OutputIt operator()(T value) {
|
||||
// MSVC2013 fails to compile separate overloads for bool and Char so use
|
||||
// std::is_same instead.
|
||||
if (std::is_same<T, Char>::value) {
|
||||
format_specs fmt_specs = this->specs;
|
||||
if (fmt_specs.type != presentation_type::none &&
|
||||
fmt_specs.type != presentation_type::chr) {
|
||||
return (*this)(static_cast<int>(value));
|
||||
}
|
||||
fmt_specs.sign = sign::none;
|
||||
fmt_specs.alt = false;
|
||||
fmt_specs.fill[0] = ' '; // Ignore '0' flag for char types.
|
||||
// align::numeric needs to be overwritten here since the '0' flag is
|
||||
// ignored for non-numeric types
|
||||
if (fmt_specs.align == align::none || fmt_specs.align == align::numeric)
|
||||
fmt_specs.align = align::right;
|
||||
return write<Char>(this->out, static_cast<Char>(value), fmt_specs);
|
||||
}
|
||||
return base::operator()(value);
|
||||
}
|
||||
|
||||
template <typename T, FMT_ENABLE_IF(std::is_floating_point<T>::value)>
|
||||
OutputIt operator()(T value) {
|
||||
return base::operator()(value);
|
||||
}
|
||||
|
||||
/** Formats a null-terminated C string. */
|
||||
OutputIt operator()(const char* value) {
|
||||
if (value) return base::operator()(value);
|
||||
return write_null_pointer(this->specs.type != presentation_type::pointer);
|
||||
}
|
||||
|
||||
/** Formats a null-terminated wide C string. */
|
||||
OutputIt operator()(const wchar_t* value) {
|
||||
if (value) return base::operator()(value);
|
||||
return write_null_pointer(this->specs.type != presentation_type::pointer);
|
||||
}
|
||||
|
||||
OutputIt operator()(basic_string_view<Char> value) {
|
||||
return base::operator()(value);
|
||||
}
|
||||
|
||||
/** Formats a pointer. */
|
||||
OutputIt operator()(const void* value) {
|
||||
return value ? base::operator()(value) : write_null_pointer();
|
||||
}
|
||||
|
||||
/** Formats an argument of a custom (user-defined) type. */
|
||||
OutputIt operator()(typename basic_format_arg<context_type>::handle handle) {
|
||||
auto parse_ctx =
|
||||
basic_printf_parse_context<Char>(basic_string_view<Char>());
|
||||
handle.format(parse_ctx, context_);
|
||||
return this->out;
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Char>
|
||||
void parse_flags(basic_format_specs<Char>& specs, const Char*& it,
|
||||
const Char* end) {
|
||||
for (; it != end; ++it) {
|
||||
switch (*it) {
|
||||
case '-':
|
||||
specs.align = align::left;
|
||||
break;
|
||||
case '+':
|
||||
specs.sign = sign::plus;
|
||||
break;
|
||||
case '0':
|
||||
specs.fill[0] = '0';
|
||||
break;
|
||||
case ' ':
|
||||
if (specs.sign != sign::plus) {
|
||||
specs.sign = sign::space;
|
||||
}
|
||||
break;
|
||||
case '#':
|
||||
specs.alt = true;
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template <typename Char, typename GetArg>
|
||||
int parse_header(const Char*& it, const Char* end,
|
||||
basic_format_specs<Char>& specs, GetArg get_arg) {
|
||||
int arg_index = -1;
|
||||
Char c = *it;
|
||||
if (c >= '0' && c <= '9') {
|
||||
// Parse an argument index (if followed by '$') or a width possibly
|
||||
// preceded with '0' flag(s).
|
||||
int value = parse_nonnegative_int(it, end, -1);
|
||||
if (it != end && *it == '$') { // value is an argument index
|
||||
++it;
|
||||
arg_index = value != -1 ? value : max_value<int>();
|
||||
} else {
|
||||
if (c == '0') specs.fill[0] = '0';
|
||||
if (value != 0) {
|
||||
// Nonzero value means that we parsed width and don't need to
|
||||
// parse it or flags again, so return now.
|
||||
if (value == -1) FMT_THROW(format_error("number is too big"));
|
||||
specs.width = value;
|
||||
return arg_index;
|
||||
}
|
||||
}
|
||||
}
|
||||
parse_flags(specs, it, end);
|
||||
// Parse width.
|
||||
if (it != end) {
|
||||
if (*it >= '0' && *it <= '9') {
|
||||
specs.width = parse_nonnegative_int(it, end, -1);
|
||||
if (specs.width == -1) FMT_THROW(format_error("number is too big"));
|
||||
} else if (*it == '*') {
|
||||
++it;
|
||||
specs.width = static_cast<int>(visit_format_arg(
|
||||
detail::printf_width_handler<Char>(specs), get_arg(-1)));
|
||||
}
|
||||
}
|
||||
return arg_index;
|
||||
}
|
||||
|
||||
template <typename Char, typename Context>
|
||||
void vprintf(buffer<Char>& buf, basic_string_view<Char> format,
|
||||
basic_format_args<Context> args) {
|
||||
using OutputIt = buffer_appender<Char>;
|
||||
auto out = OutputIt(buf);
|
||||
auto context = basic_printf_context<OutputIt, Char>(out, args);
|
||||
auto parse_ctx = basic_printf_parse_context<Char>(format);
|
||||
|
||||
// Returns the argument with specified index or, if arg_index is -1, the next
|
||||
// argument.
|
||||
auto get_arg = [&](int arg_index) {
|
||||
if (arg_index < 0)
|
||||
arg_index = parse_ctx.next_arg_id();
|
||||
else
|
||||
parse_ctx.check_arg_id(--arg_index);
|
||||
return detail::get_arg(context, arg_index);
|
||||
};
|
||||
|
||||
const Char* start = parse_ctx.begin();
|
||||
const Char* end = parse_ctx.end();
|
||||
auto it = start;
|
||||
while (it != end) {
|
||||
if (!detail::find<false, Char>(it, end, '%', it)) {
|
||||
it = end; // detail::find leaves it == nullptr if it doesn't find '%'
|
||||
break;
|
||||
}
|
||||
Char c = *it++;
|
||||
if (it != end && *it == c) {
|
||||
out = detail::write(
|
||||
out, basic_string_view<Char>(start, detail::to_unsigned(it - start)));
|
||||
start = ++it;
|
||||
continue;
|
||||
}
|
||||
out = detail::write(out, basic_string_view<Char>(
|
||||
start, detail::to_unsigned(it - 1 - start)));
|
||||
|
||||
basic_format_specs<Char> specs;
|
||||
specs.align = align::right;
|
||||
|
||||
// Parse argument index, flags and width.
|
||||
int arg_index = parse_header(it, end, specs, get_arg);
|
||||
if (arg_index == 0) parse_ctx.on_error("argument not found");
|
||||
|
||||
// Parse precision.
|
||||
if (it != end && *it == '.') {
|
||||
++it;
|
||||
c = it != end ? *it : 0;
|
||||
if ('0' <= c && c <= '9') {
|
||||
specs.precision = parse_nonnegative_int(it, end, 0);
|
||||
} else if (c == '*') {
|
||||
++it;
|
||||
specs.precision = static_cast<int>(
|
||||
visit_format_arg(detail::printf_precision_handler(), get_arg(-1)));
|
||||
} else {
|
||||
specs.precision = 0;
|
||||
}
|
||||
}
|
||||
|
||||
auto arg = get_arg(arg_index);
|
||||
// For d, i, o, u, x, and X conversion specifiers, if a precision is
|
||||
// specified, the '0' flag is ignored
|
||||
if (specs.precision >= 0 && arg.is_integral())
|
||||
specs.fill[0] =
|
||||
' '; // Ignore '0' flag for non-numeric types or if '-' present.
|
||||
if (specs.precision >= 0 && arg.type() == detail::type::cstring_type) {
|
||||
auto str = visit_format_arg(detail::get_cstring<Char>(), arg);
|
||||
auto str_end = str + specs.precision;
|
||||
auto nul = std::find(str, str_end, Char());
|
||||
arg = detail::make_arg<basic_printf_context<OutputIt, Char>>(
|
||||
basic_string_view<Char>(
|
||||
str, detail::to_unsigned(nul != str_end ? nul - str
|
||||
: specs.precision)));
|
||||
}
|
||||
if (specs.alt && visit_format_arg(detail::is_zero_int(), arg))
|
||||
specs.alt = false;
|
||||
if (specs.fill[0] == '0') {
|
||||
if (arg.is_arithmetic() && specs.align != align::left)
|
||||
specs.align = align::numeric;
|
||||
else
|
||||
specs.fill[0] = ' '; // Ignore '0' flag for non-numeric types or if '-'
|
||||
// flag is also present.
|
||||
}
|
||||
|
||||
// Parse length and convert the argument to the required type.
|
||||
c = it != end ? *it++ : 0;
|
||||
Char t = it != end ? *it : 0;
|
||||
using detail::convert_arg;
|
||||
switch (c) {
|
||||
case 'h':
|
||||
if (t == 'h') {
|
||||
++it;
|
||||
t = it != end ? *it : 0;
|
||||
convert_arg<signed char>(arg, t);
|
||||
} else {
|
||||
convert_arg<short>(arg, t);
|
||||
}
|
||||
break;
|
||||
case 'l':
|
||||
if (t == 'l') {
|
||||
++it;
|
||||
t = it != end ? *it : 0;
|
||||
convert_arg<long long>(arg, t);
|
||||
} else {
|
||||
convert_arg<long>(arg, t);
|
||||
}
|
||||
break;
|
||||
case 'j':
|
||||
convert_arg<intmax_t>(arg, t);
|
||||
break;
|
||||
case 'z':
|
||||
convert_arg<size_t>(arg, t);
|
||||
break;
|
||||
case 't':
|
||||
convert_arg<std::ptrdiff_t>(arg, t);
|
||||
break;
|
||||
case 'L':
|
||||
// printf produces garbage when 'L' is omitted for long double, no
|
||||
// need to do the same.
|
||||
break;
|
||||
default:
|
||||
--it;
|
||||
convert_arg<void>(arg, c);
|
||||
}
|
||||
|
||||
// Parse type.
|
||||
if (it == end) FMT_THROW(format_error("invalid format string"));
|
||||
char type = static_cast<char>(*it++);
|
||||
if (arg.is_integral()) {
|
||||
// Normalize type.
|
||||
switch (type) {
|
||||
case 'i':
|
||||
case 'u':
|
||||
type = 'd';
|
||||
break;
|
||||
case 'c':
|
||||
visit_format_arg(
|
||||
detail::char_converter<basic_printf_context<OutputIt, Char>>(arg),
|
||||
arg);
|
||||
break;
|
||||
}
|
||||
}
|
||||
specs.type = parse_presentation_type(type);
|
||||
if (specs.type == presentation_type::none)
|
||||
parse_ctx.on_error("invalid type specifier");
|
||||
|
||||
start = it;
|
||||
|
||||
// Format argument.
|
||||
out = visit_format_arg(
|
||||
detail::printf_arg_formatter<OutputIt, Char>(out, specs, context), arg);
|
||||
}
|
||||
detail::write(out, basic_string_view<Char>(start, to_unsigned(it - start)));
|
||||
}
|
||||
FMT_END_DETAIL_NAMESPACE
|
||||
|
||||
template <typename Char>
|
||||
using basic_printf_context_t =
|
||||
basic_printf_context<detail::buffer_appender<Char>, Char>;
|
||||
|
||||
using printf_context = basic_printf_context_t<char>;
|
||||
using wprintf_context = basic_printf_context_t<wchar_t>;
|
||||
|
||||
using printf_args = basic_format_args<printf_context>;
|
||||
using wprintf_args = basic_format_args<wprintf_context>;
|
||||
|
||||
/**
|
||||
\rst
|
||||
Constructs an `~fmt::format_arg_store` object that contains references to
|
||||
arguments and can be implicitly converted to `~fmt::printf_args`.
|
||||
\endrst
|
||||
*/
|
||||
template <typename... T>
|
||||
inline auto make_printf_args(const T&... args)
|
||||
-> format_arg_store<printf_context, T...> {
|
||||
return {args...};
|
||||
}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Constructs an `~fmt::format_arg_store` object that contains references to
|
||||
arguments and can be implicitly converted to `~fmt::wprintf_args`.
|
||||
\endrst
|
||||
*/
|
||||
template <typename... T>
|
||||
inline auto make_wprintf_args(const T&... args)
|
||||
-> format_arg_store<wprintf_context, T...> {
|
||||
return {args...};
|
||||
}
|
||||
|
||||
template <typename S, typename Char = char_t<S>>
|
||||
inline auto vsprintf(
|
||||
const S& fmt,
|
||||
basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args)
|
||||
-> std::basic_string<Char> {
|
||||
basic_memory_buffer<Char> buffer;
|
||||
vprintf(buffer, to_string_view(fmt), args);
|
||||
return to_string(buffer);
|
||||
}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Formats arguments and returns the result as a string.
|
||||
|
||||
**Example**::
|
||||
|
||||
std::string message = fmt::sprintf("The answer is %d", 42);
|
||||
\endrst
|
||||
*/
|
||||
template <typename S, typename... T,
|
||||
typename Char = enable_if_t<detail::is_string<S>::value, char_t<S>>>
|
||||
inline auto sprintf(const S& fmt, const T&... args) -> std::basic_string<Char> {
|
||||
using context = basic_printf_context_t<Char>;
|
||||
return vsprintf(to_string_view(fmt), fmt::make_format_args<context>(args...));
|
||||
}
|
||||
|
||||
template <typename S, typename Char = char_t<S>>
|
||||
inline auto vfprintf(
|
||||
std::FILE* f, const S& fmt,
|
||||
basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args)
|
||||
-> int {
|
||||
basic_memory_buffer<Char> buffer;
|
||||
vprintf(buffer, to_string_view(fmt), args);
|
||||
size_t size = buffer.size();
|
||||
return std::fwrite(buffer.data(), sizeof(Char), size, f) < size
|
||||
? -1
|
||||
: static_cast<int>(size);
|
||||
}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Prints formatted data to the file *f*.
|
||||
|
||||
**Example**::
|
||||
|
||||
fmt::fprintf(stderr, "Don't %s!", "panic");
|
||||
\endrst
|
||||
*/
|
||||
template <typename S, typename... T, typename Char = char_t<S>>
|
||||
inline auto fprintf(std::FILE* f, const S& fmt, const T&... args) -> int {
|
||||
using context = basic_printf_context_t<Char>;
|
||||
return vfprintf(f, to_string_view(fmt),
|
||||
fmt::make_format_args<context>(args...));
|
||||
}
|
||||
|
||||
template <typename S, typename Char = char_t<S>>
|
||||
inline auto vprintf(
|
||||
const S& fmt,
|
||||
basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args)
|
||||
-> int {
|
||||
return vfprintf(stdout, to_string_view(fmt), args);
|
||||
}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Prints formatted data to ``stdout``.
|
||||
|
||||
**Example**::
|
||||
|
||||
fmt::printf("Elapsed time: %.2f seconds", 1.23);
|
||||
\endrst
|
||||
*/
|
||||
template <typename S, typename... T, FMT_ENABLE_IF(detail::is_string<S>::value)>
|
||||
inline auto printf(const S& fmt, const T&... args) -> int {
|
||||
return vprintf(
|
||||
to_string_view(fmt),
|
||||
fmt::make_format_args<basic_printf_context_t<char_t<S>>>(args...));
|
||||
}
|
||||
|
||||
template <typename S, typename Char = char_t<S>>
|
||||
FMT_DEPRECATED auto vfprintf(
|
||||
std::basic_ostream<Char>& os, const S& fmt,
|
||||
basic_format_args<basic_printf_context_t<type_identity_t<Char>>> args)
|
||||
-> int {
|
||||
basic_memory_buffer<Char> buffer;
|
||||
vprintf(buffer, to_string_view(fmt), args);
|
||||
os.write(buffer.data(), static_cast<std::streamsize>(buffer.size()));
|
||||
return static_cast<int>(buffer.size());
|
||||
}
|
||||
template <typename S, typename... T, typename Char = char_t<S>>
|
||||
FMT_DEPRECATED auto fprintf(std::basic_ostream<Char>& os, const S& fmt,
|
||||
const T&... args) -> int {
|
||||
return vfprintf(os, to_string_view(fmt),
|
||||
fmt::make_format_args<basic_printf_context_t<Char>>(args...));
|
||||
}
|
||||
|
||||
FMT_MODULE_EXPORT_END
|
||||
FMT_END_NAMESPACE
|
||||
|
||||
#endif // FMT_PRINTF_H_
|
||||
|
|
@ -0,0 +1,586 @@
|
|||
// Formatting library for C++ - experimental range support
|
||||
//
|
||||
// Copyright (c) 2012 - present, Victor Zverovich
|
||||
// All rights reserved.
|
||||
//
|
||||
// For the license information refer to format.h.
|
||||
//
|
||||
// Copyright (c) 2018 - present, Remotion (Igor Schulz)
|
||||
// All Rights Reserved
|
||||
// {fmt} support for ranges, containers and types tuple interface.
|
||||
|
||||
#ifndef FMT_RANGES_H_
|
||||
#define FMT_RANGES_H_
|
||||
|
||||
#include <initializer_list>
|
||||
#include <tuple>
|
||||
#include <type_traits>
|
||||
|
||||
#include "format.h"
|
||||
|
||||
FMT_BEGIN_NAMESPACE
|
||||
|
||||
namespace detail {
|
||||
|
||||
template <typename RangeT, typename OutputIterator>
|
||||
OutputIterator copy(const RangeT& range, OutputIterator out) {
|
||||
for (auto it = range.begin(), end = range.end(); it != end; ++it)
|
||||
*out++ = *it;
|
||||
return out;
|
||||
}
|
||||
|
||||
template <typename OutputIterator>
|
||||
OutputIterator copy(const char* str, OutputIterator out) {
|
||||
while (*str) *out++ = *str++;
|
||||
return out;
|
||||
}
|
||||
|
||||
template <typename OutputIterator>
|
||||
OutputIterator copy(char ch, OutputIterator out) {
|
||||
*out++ = ch;
|
||||
return out;
|
||||
}
|
||||
|
||||
template <typename OutputIterator>
|
||||
OutputIterator copy(wchar_t ch, OutputIterator out) {
|
||||
*out++ = ch;
|
||||
return out;
|
||||
}
|
||||
|
||||
// Returns true if T has a std::string-like interface, like std::string_view.
|
||||
template <typename T> class is_std_string_like {
|
||||
template <typename U>
|
||||
static auto check(U* p)
|
||||
-> decltype((void)p->find('a'), p->length(), (void)p->data(), int());
|
||||
template <typename> static void check(...);
|
||||
|
||||
public:
|
||||
static FMT_CONSTEXPR_DECL const bool value =
|
||||
is_string<T>::value ||
|
||||
std::is_convertible<T, std_string_view<char>>::value ||
|
||||
!std::is_void<decltype(check<T>(nullptr))>::value;
|
||||
};
|
||||
|
||||
template <typename Char>
|
||||
struct is_std_string_like<fmt::basic_string_view<Char>> : std::true_type {};
|
||||
|
||||
template <typename T> class is_map {
|
||||
template <typename U> static auto check(U*) -> typename U::mapped_type;
|
||||
template <typename> static void check(...);
|
||||
|
||||
public:
|
||||
#ifdef FMT_FORMAT_MAP_AS_LIST
|
||||
static FMT_CONSTEXPR_DECL const bool value = false;
|
||||
#else
|
||||
static FMT_CONSTEXPR_DECL const bool value =
|
||||
!std::is_void<decltype(check<T>(nullptr))>::value;
|
||||
#endif
|
||||
};
|
||||
|
||||
template <typename T> class is_set {
|
||||
template <typename U> static auto check(U*) -> typename U::key_type;
|
||||
template <typename> static void check(...);
|
||||
|
||||
public:
|
||||
#ifdef FMT_FORMAT_SET_AS_LIST
|
||||
static FMT_CONSTEXPR_DECL const bool value = false;
|
||||
#else
|
||||
static FMT_CONSTEXPR_DECL const bool value =
|
||||
!std::is_void<decltype(check<T>(nullptr))>::value && !is_map<T>::value;
|
||||
#endif
|
||||
};
|
||||
|
||||
template <typename... Ts> struct conditional_helper {};
|
||||
|
||||
template <typename T, typename _ = void> struct is_range_ : std::false_type {};
|
||||
|
||||
#if !FMT_MSC_VER || FMT_MSC_VER > 1800
|
||||
|
||||
# define FMT_DECLTYPE_RETURN(val) \
|
||||
->decltype(val) { return val; } \
|
||||
static_assert( \
|
||||
true, "") // This makes it so that a semicolon is required after the
|
||||
// macro, which helps clang-format handle the formatting.
|
||||
|
||||
// C array overload
|
||||
template <typename T, std::size_t N>
|
||||
auto range_begin(const T (&arr)[N]) -> const T* {
|
||||
return arr;
|
||||
}
|
||||
template <typename T, std::size_t N>
|
||||
auto range_end(const T (&arr)[N]) -> const T* {
|
||||
return arr + N;
|
||||
}
|
||||
|
||||
template <typename T, typename Enable = void>
|
||||
struct has_member_fn_begin_end_t : std::false_type {};
|
||||
|
||||
template <typename T>
|
||||
struct has_member_fn_begin_end_t<T, void_t<decltype(std::declval<T>().begin()),
|
||||
decltype(std::declval<T>().end())>>
|
||||
: std::true_type {};
|
||||
|
||||
// Member function overload
|
||||
template <typename T>
|
||||
auto range_begin(T&& rng) FMT_DECLTYPE_RETURN(static_cast<T&&>(rng).begin());
|
||||
template <typename T>
|
||||
auto range_end(T&& rng) FMT_DECLTYPE_RETURN(static_cast<T&&>(rng).end());
|
||||
|
||||
// ADL overload. Only participates in overload resolution if member functions
|
||||
// are not found.
|
||||
template <typename T>
|
||||
auto range_begin(T&& rng)
|
||||
-> enable_if_t<!has_member_fn_begin_end_t<T&&>::value,
|
||||
decltype(begin(static_cast<T&&>(rng)))> {
|
||||
return begin(static_cast<T&&>(rng));
|
||||
}
|
||||
template <typename T>
|
||||
auto range_end(T&& rng) -> enable_if_t<!has_member_fn_begin_end_t<T&&>::value,
|
||||
decltype(end(static_cast<T&&>(rng)))> {
|
||||
return end(static_cast<T&&>(rng));
|
||||
}
|
||||
|
||||
template <typename T, typename Enable = void>
|
||||
struct has_const_begin_end : std::false_type {};
|
||||
template <typename T, typename Enable = void>
|
||||
struct has_mutable_begin_end : std::false_type {};
|
||||
|
||||
template <typename T>
|
||||
struct has_const_begin_end<
|
||||
T,
|
||||
void_t<
|
||||
decltype(detail::range_begin(std::declval<const remove_cvref_t<T>&>())),
|
||||
decltype(detail::range_end(std::declval<const remove_cvref_t<T>&>()))>>
|
||||
: std::true_type {};
|
||||
|
||||
template <typename T>
|
||||
struct has_mutable_begin_end<
|
||||
T, void_t<decltype(detail::range_begin(std::declval<T>())),
|
||||
decltype(detail::range_end(std::declval<T>())),
|
||||
enable_if_t<std::is_copy_constructible<T>::value>>>
|
||||
: std::true_type {};
|
||||
|
||||
template <typename T>
|
||||
struct is_range_<T, void>
|
||||
: std::integral_constant<bool, (has_const_begin_end<T>::value ||
|
||||
has_mutable_begin_end<T>::value)> {};
|
||||
# undef FMT_DECLTYPE_RETURN
|
||||
#endif
|
||||
|
||||
// tuple_size and tuple_element check.
|
||||
template <typename T> class is_tuple_like_ {
|
||||
template <typename U>
|
||||
static auto check(U* p) -> decltype(std::tuple_size<U>::value, int());
|
||||
template <typename> static void check(...);
|
||||
|
||||
public:
|
||||
static FMT_CONSTEXPR_DECL const bool value =
|
||||
!std::is_void<decltype(check<T>(nullptr))>::value;
|
||||
};
|
||||
|
||||
// Check for integer_sequence
|
||||
#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
|
||||
template <typename T, T... N>
|
||||
using integer_sequence = std::integer_sequence<T, N...>;
|
||||
template <size_t... N> using index_sequence = std::index_sequence<N...>;
|
||||
template <size_t N> using make_index_sequence = std::make_index_sequence<N>;
|
||||
#else
|
||||
template <typename T, T... N> struct integer_sequence {
|
||||
using value_type = T;
|
||||
|
||||
static FMT_CONSTEXPR size_t size() { return sizeof...(N); }
|
||||
};
|
||||
|
||||
template <size_t... N> using index_sequence = integer_sequence<size_t, N...>;
|
||||
|
||||
template <typename T, size_t N, T... Ns>
|
||||
struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...> {};
|
||||
template <typename T, T... Ns>
|
||||
struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> {};
|
||||
|
||||
template <size_t N>
|
||||
using make_index_sequence = make_integer_sequence<size_t, N>;
|
||||
#endif
|
||||
|
||||
template <class Tuple, class F, size_t... Is>
|
||||
void for_each(index_sequence<Is...>, Tuple&& tup, F&& f) noexcept {
|
||||
using std::get;
|
||||
// using free function get<I>(T) now.
|
||||
const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
|
||||
(void)_; // blocks warnings
|
||||
}
|
||||
|
||||
template <class T>
|
||||
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(
|
||||
T const&) {
|
||||
return {};
|
||||
}
|
||||
|
||||
template <class Tuple, class F> void for_each(Tuple&& tup, F&& f) {
|
||||
const auto indexes = get_indexes(tup);
|
||||
for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
|
||||
}
|
||||
|
||||
#if FMT_MSC_VER
|
||||
// Older MSVC doesn't get the reference type correctly for arrays.
|
||||
template <typename R> struct range_reference_type_impl {
|
||||
using type = decltype(*detail::range_begin(std::declval<R&>()));
|
||||
};
|
||||
|
||||
template <typename T, std::size_t N> struct range_reference_type_impl<T[N]> {
|
||||
using type = T&;
|
||||
};
|
||||
|
||||
template <typename T>
|
||||
using range_reference_type = typename range_reference_type_impl<T>::type;
|
||||
#else
|
||||
template <typename Range>
|
||||
using range_reference_type =
|
||||
decltype(*detail::range_begin(std::declval<Range&>()));
|
||||
#endif
|
||||
|
||||
// We don't use the Range's value_type for anything, but we do need the Range's
|
||||
// reference type, with cv-ref stripped.
|
||||
template <typename Range>
|
||||
using uncvref_type = remove_cvref_t<range_reference_type<Range>>;
|
||||
|
||||
template <typename OutputIt> OutputIt write_delimiter(OutputIt out) {
|
||||
*out++ = ',';
|
||||
*out++ = ' ';
|
||||
return out;
|
||||
}
|
||||
|
||||
template <typename Char, typename OutputIt>
|
||||
auto write_range_entry(OutputIt out, basic_string_view<Char> str) -> OutputIt {
|
||||
return write_escaped_string(out, str);
|
||||
}
|
||||
|
||||
template <typename Char, typename OutputIt, typename T,
|
||||
FMT_ENABLE_IF(std::is_convertible<T, std_string_view<char>>::value)>
|
||||
inline auto write_range_entry(OutputIt out, const T& str) -> OutputIt {
|
||||
auto sv = std_string_view<Char>(str);
|
||||
return write_range_entry<Char>(out, basic_string_view<Char>(sv));
|
||||
}
|
||||
|
||||
template <typename Char, typename OutputIt, typename Arg,
|
||||
FMT_ENABLE_IF(std::is_same<Arg, Char>::value)>
|
||||
OutputIt write_range_entry(OutputIt out, const Arg v) {
|
||||
return write_escaped_char(out, v);
|
||||
}
|
||||
|
||||
template <
|
||||
typename Char, typename OutputIt, typename Arg,
|
||||
FMT_ENABLE_IF(!is_std_string_like<typename std::decay<Arg>::type>::value &&
|
||||
!std::is_same<Arg, Char>::value)>
|
||||
OutputIt write_range_entry(OutputIt out, const Arg& v) {
|
||||
return write<Char>(out, v);
|
||||
}
|
||||
|
||||
} // namespace detail
|
||||
|
||||
template <typename T> struct is_tuple_like {
|
||||
static FMT_CONSTEXPR_DECL const bool value =
|
||||
detail::is_tuple_like_<T>::value && !detail::is_range_<T>::value;
|
||||
};
|
||||
|
||||
template <typename TupleT, typename Char>
|
||||
struct formatter<TupleT, Char, enable_if_t<fmt::is_tuple_like<TupleT>::value>> {
|
||||
private:
|
||||
// C++11 generic lambda for format().
|
||||
template <typename FormatContext> struct format_each {
|
||||
template <typename T> void operator()(const T& v) {
|
||||
if (i > 0) out = detail::write_delimiter(out);
|
||||
out = detail::write_range_entry<Char>(out, v);
|
||||
++i;
|
||||
}
|
||||
int i;
|
||||
typename FormatContext::iterator& out;
|
||||
};
|
||||
|
||||
public:
|
||||
template <typename ParseContext>
|
||||
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
|
||||
return ctx.begin();
|
||||
}
|
||||
|
||||
template <typename FormatContext = format_context>
|
||||
auto format(const TupleT& values, FormatContext& ctx) const
|
||||
-> decltype(ctx.out()) {
|
||||
auto out = ctx.out();
|
||||
*out++ = '(';
|
||||
detail::for_each(values, format_each<FormatContext>{0, out});
|
||||
*out++ = ')';
|
||||
return out;
|
||||
}
|
||||
};
|
||||
|
||||
template <typename T, typename Char> struct is_range {
|
||||
static FMT_CONSTEXPR_DECL const bool value =
|
||||
detail::is_range_<T>::value && !detail::is_std_string_like<T>::value &&
|
||||
!detail::is_map<T>::value &&
|
||||
!std::is_convertible<T, std::basic_string<Char>>::value &&
|
||||
!std::is_constructible<detail::std_string_view<Char>, T>::value;
|
||||
};
|
||||
|
||||
namespace detail {
|
||||
template <typename Context> struct range_mapper {
|
||||
using mapper = arg_mapper<Context>;
|
||||
|
||||
template <typename T,
|
||||
FMT_ENABLE_IF(has_formatter<remove_cvref_t<T>, Context>::value)>
|
||||
static auto map(T&& value) -> T&& {
|
||||
return static_cast<T&&>(value);
|
||||
}
|
||||
template <typename T,
|
||||
FMT_ENABLE_IF(!has_formatter<remove_cvref_t<T>, Context>::value)>
|
||||
static auto map(T&& value)
|
||||
-> decltype(mapper().map(static_cast<T&&>(value))) {
|
||||
return mapper().map(static_cast<T&&>(value));
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Char, typename Element>
|
||||
using range_formatter_type = conditional_t<
|
||||
is_formattable<Element, Char>::value,
|
||||
formatter<remove_cvref_t<decltype(range_mapper<buffer_context<Char>>{}.map(
|
||||
std::declval<Element>()))>,
|
||||
Char>,
|
||||
fallback_formatter<Element, Char>>;
|
||||
|
||||
template <typename R>
|
||||
using maybe_const_range =
|
||||
conditional_t<has_const_begin_end<R>::value, const R, R>;
|
||||
} // namespace detail
|
||||
|
||||
template <typename R, typename Char>
|
||||
struct formatter<
|
||||
R, Char,
|
||||
enable_if_t<
|
||||
fmt::is_range<R, Char>::value
|
||||
// Workaround a bug in MSVC 2019 and earlier.
|
||||
#if !FMT_MSC_VER
|
||||
&&
|
||||
(is_formattable<detail::uncvref_type<detail::maybe_const_range<R>>,
|
||||
Char>::value ||
|
||||
detail::has_fallback_formatter<
|
||||
detail::uncvref_type<detail::maybe_const_range<R>>, Char>::value)
|
||||
#endif
|
||||
>> {
|
||||
|
||||
using range_type = detail::maybe_const_range<R>;
|
||||
using formatter_type =
|
||||
detail::range_formatter_type<Char, detail::uncvref_type<range_type>>;
|
||||
formatter_type underlying_;
|
||||
bool custom_specs_ = false;
|
||||
|
||||
template <typename ParseContext>
|
||||
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
|
||||
auto it = ctx.begin();
|
||||
auto end = ctx.end();
|
||||
if (it == end || *it == '}') return it;
|
||||
|
||||
if (*it != ':')
|
||||
FMT_THROW(format_error("no top-level range formatters supported"));
|
||||
|
||||
custom_specs_ = true;
|
||||
++it;
|
||||
ctx.advance_to(it);
|
||||
return underlying_.parse(ctx);
|
||||
}
|
||||
|
||||
template <typename FormatContext>
|
||||
auto format(range_type& range, FormatContext& ctx) const
|
||||
-> decltype(ctx.out()) {
|
||||
#ifdef FMT_DEPRECATED_BRACED_RANGES
|
||||
Char prefix = '{';
|
||||
Char postfix = '}';
|
||||
#else
|
||||
Char prefix = detail::is_set<R>::value ? '{' : '[';
|
||||
Char postfix = detail::is_set<R>::value ? '}' : ']';
|
||||
#endif
|
||||
detail::range_mapper<buffer_context<Char>> mapper;
|
||||
auto out = ctx.out();
|
||||
*out++ = prefix;
|
||||
int i = 0;
|
||||
auto it = detail::range_begin(range);
|
||||
auto end = detail::range_end(range);
|
||||
for (; it != end; ++it) {
|
||||
if (i > 0) out = detail::write_delimiter(out);
|
||||
if (custom_specs_) {
|
||||
ctx.advance_to(out);
|
||||
out = underlying_.format(mapper.map(*it), ctx);
|
||||
} else {
|
||||
out = detail::write_range_entry<Char>(out, *it);
|
||||
}
|
||||
++i;
|
||||
}
|
||||
*out++ = postfix;
|
||||
return out;
|
||||
}
|
||||
};
|
||||
|
||||
template <typename T, typename Char>
|
||||
struct formatter<
|
||||
T, Char,
|
||||
enable_if_t<detail::is_map<T>::value
|
||||
// Workaround a bug in MSVC 2019 and earlier.
|
||||
#if !FMT_MSC_VER
|
||||
&& (is_formattable<detail::uncvref_type<T>, Char>::value ||
|
||||
detail::has_fallback_formatter<detail::uncvref_type<T>,
|
||||
Char>::value)
|
||||
#endif
|
||||
>> {
|
||||
template <typename ParseContext>
|
||||
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
|
||||
return ctx.begin();
|
||||
}
|
||||
|
||||
template <
|
||||
typename FormatContext, typename U,
|
||||
FMT_ENABLE_IF(
|
||||
std::is_same<U, conditional_t<detail::has_const_begin_end<T>::value,
|
||||
const T, T>>::value)>
|
||||
auto format(U& map, FormatContext& ctx) const -> decltype(ctx.out()) {
|
||||
auto out = ctx.out();
|
||||
*out++ = '{';
|
||||
int i = 0;
|
||||
for (const auto& item : map) {
|
||||
if (i > 0) out = detail::write_delimiter(out);
|
||||
out = detail::write_range_entry<Char>(out, item.first);
|
||||
*out++ = ':';
|
||||
*out++ = ' ';
|
||||
out = detail::write_range_entry<Char>(out, item.second);
|
||||
++i;
|
||||
}
|
||||
*out++ = '}';
|
||||
return out;
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Char, typename... T> struct tuple_join_view : detail::view {
|
||||
const std::tuple<T...>& tuple;
|
||||
basic_string_view<Char> sep;
|
||||
|
||||
tuple_join_view(const std::tuple<T...>& t, basic_string_view<Char> s)
|
||||
: tuple(t), sep{s} {}
|
||||
};
|
||||
|
||||
template <typename Char, typename... T>
|
||||
using tuple_arg_join = tuple_join_view<Char, T...>;
|
||||
|
||||
// Define FMT_TUPLE_JOIN_SPECIFIERS to enable experimental format specifiers
|
||||
// support in tuple_join. It is disabled by default because of issues with
|
||||
// the dynamic width and precision.
|
||||
#ifndef FMT_TUPLE_JOIN_SPECIFIERS
|
||||
# define FMT_TUPLE_JOIN_SPECIFIERS 0
|
||||
#endif
|
||||
|
||||
template <typename Char, typename... T>
|
||||
struct formatter<tuple_join_view<Char, T...>, Char> {
|
||||
template <typename ParseContext>
|
||||
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
|
||||
return do_parse(ctx, std::integral_constant<size_t, sizeof...(T)>());
|
||||
}
|
||||
|
||||
template <typename FormatContext>
|
||||
auto format(const tuple_join_view<Char, T...>& value,
|
||||
FormatContext& ctx) const -> typename FormatContext::iterator {
|
||||
return do_format(value, ctx,
|
||||
std::integral_constant<size_t, sizeof...(T)>());
|
||||
}
|
||||
|
||||
private:
|
||||
std::tuple<formatter<typename std::decay<T>::type, Char>...> formatters_;
|
||||
|
||||
template <typename ParseContext>
|
||||
FMT_CONSTEXPR auto do_parse(ParseContext& ctx,
|
||||
std::integral_constant<size_t, 0>)
|
||||
-> decltype(ctx.begin()) {
|
||||
return ctx.begin();
|
||||
}
|
||||
|
||||
template <typename ParseContext, size_t N>
|
||||
FMT_CONSTEXPR auto do_parse(ParseContext& ctx,
|
||||
std::integral_constant<size_t, N>)
|
||||
-> decltype(ctx.begin()) {
|
||||
auto end = ctx.begin();
|
||||
#if FMT_TUPLE_JOIN_SPECIFIERS
|
||||
end = std::get<sizeof...(T) - N>(formatters_).parse(ctx);
|
||||
if (N > 1) {
|
||||
auto end1 = do_parse(ctx, std::integral_constant<size_t, N - 1>());
|
||||
if (end != end1)
|
||||
FMT_THROW(format_error("incompatible format specs for tuple elements"));
|
||||
}
|
||||
#endif
|
||||
return end;
|
||||
}
|
||||
|
||||
template <typename FormatContext>
|
||||
auto do_format(const tuple_join_view<Char, T...>&, FormatContext& ctx,
|
||||
std::integral_constant<size_t, 0>) const ->
|
||||
typename FormatContext::iterator {
|
||||
return ctx.out();
|
||||
}
|
||||
|
||||
template <typename FormatContext, size_t N>
|
||||
auto do_format(const tuple_join_view<Char, T...>& value, FormatContext& ctx,
|
||||
std::integral_constant<size_t, N>) const ->
|
||||
typename FormatContext::iterator {
|
||||
auto out = std::get<sizeof...(T) - N>(formatters_)
|
||||
.format(std::get<sizeof...(T) - N>(value.tuple), ctx);
|
||||
if (N > 1) {
|
||||
out = std::copy(value.sep.begin(), value.sep.end(), out);
|
||||
ctx.advance_to(out);
|
||||
return do_format(value, ctx, std::integral_constant<size_t, N - 1>());
|
||||
}
|
||||
return out;
|
||||
}
|
||||
};
|
||||
|
||||
FMT_MODULE_EXPORT_BEGIN
|
||||
|
||||
/**
|
||||
\rst
|
||||
Returns an object that formats `tuple` with elements separated by `sep`.
|
||||
|
||||
**Example**::
|
||||
|
||||
std::tuple<int, char> t = {1, 'a'};
|
||||
fmt::print("{}", fmt::join(t, ", "));
|
||||
// Output: "1, a"
|
||||
\endrst
|
||||
*/
|
||||
template <typename... T>
|
||||
FMT_CONSTEXPR auto join(const std::tuple<T...>& tuple, string_view sep)
|
||||
-> tuple_join_view<char, T...> {
|
||||
return {tuple, sep};
|
||||
}
|
||||
|
||||
template <typename... T>
|
||||
FMT_CONSTEXPR auto join(const std::tuple<T...>& tuple,
|
||||
basic_string_view<wchar_t> sep)
|
||||
-> tuple_join_view<wchar_t, T...> {
|
||||
return {tuple, sep};
|
||||
}
|
||||
|
||||
/**
|
||||
\rst
|
||||
Returns an object that formats `initializer_list` with elements separated by
|
||||
`sep`.
|
||||
|
||||
**Example**::
|
||||
|
||||
fmt::print("{}", fmt::join({1, 2, 3}, ", "));
|
||||
// Output: "1, 2, 3"
|
||||
\endrst
|
||||
*/
|
||||
template <typename T>
|
||||
auto join(std::initializer_list<T> list, string_view sep)
|
||||
-> join_view<const T*, const T*> {
|
||||
return join(std::begin(list), std::end(list), sep);
|
||||
}
|
||||
|
||||
FMT_MODULE_EXPORT_END
|
||||
FMT_END_NAMESPACE
|
||||
|
||||
#endif // FMT_RANGES_H_
|
||||
|
|
@ -0,0 +1,236 @@
|
|||
// Formatting library for C++ - optional wchar_t and exotic character support
|
||||
//
|
||||
// Copyright (c) 2012 - present, Victor Zverovich
|
||||
// All rights reserved.
|
||||
//
|
||||
// For the license information refer to format.h.
|
||||
|
||||
#ifndef FMT_XCHAR_H_
|
||||
#define FMT_XCHAR_H_
|
||||
|
||||
#include <cwchar>
|
||||
#include <tuple>
|
||||
|
||||
#include "format.h"
|
||||
|
||||
FMT_BEGIN_NAMESPACE
|
||||
namespace detail {
|
||||
template <typename T>
|
||||
using is_exotic_char = bool_constant<!std::is_same<T, char>::value>;
|
||||
}
|
||||
|
||||
FMT_MODULE_EXPORT_BEGIN
|
||||
|
||||
using wstring_view = basic_string_view<wchar_t>;
|
||||
using wformat_parse_context = basic_format_parse_context<wchar_t>;
|
||||
using wformat_context = buffer_context<wchar_t>;
|
||||
using wformat_args = basic_format_args<wformat_context>;
|
||||
using wmemory_buffer = basic_memory_buffer<wchar_t>;
|
||||
|
||||
#if FMT_GCC_VERSION && FMT_GCC_VERSION < 409
|
||||
// Workaround broken conversion on older gcc.
|
||||
template <typename... Args> using wformat_string = wstring_view;
|
||||
#else
|
||||
template <typename... Args>
|
||||
using wformat_string = basic_format_string<wchar_t, type_identity_t<Args>...>;
|
||||
#endif
|
||||
|
||||
template <> struct is_char<wchar_t> : std::true_type {};
|
||||
template <> struct is_char<detail::char8_type> : std::true_type {};
|
||||
template <> struct is_char<char16_t> : std::true_type {};
|
||||
template <> struct is_char<char32_t> : std::true_type {};
|
||||
|
||||
template <typename... Args>
|
||||
constexpr format_arg_store<wformat_context, Args...> make_wformat_args(
|
||||
const Args&... args) {
|
||||
return {args...};
|
||||
}
|
||||
|
||||
inline namespace literals {
|
||||
constexpr auto operator"" _format(const wchar_t* s, size_t n)
|
||||
-> detail::udl_formatter<wchar_t> {
|
||||
return {{s, n}};
|
||||
}
|
||||
|
||||
#if FMT_USE_USER_DEFINED_LITERALS && !FMT_USE_NONTYPE_TEMPLATE_PARAMETERS
|
||||
constexpr detail::udl_arg<wchar_t> operator"" _a(const wchar_t* s, size_t) {
|
||||
return {s};
|
||||
}
|
||||
#endif
|
||||
} // namespace literals
|
||||
|
||||
template <typename It, typename Sentinel>
|
||||
auto join(It begin, Sentinel end, wstring_view sep)
|
||||
-> join_view<It, Sentinel, wchar_t> {
|
||||
return {begin, end, sep};
|
||||
}
|
||||
|
||||
template <typename Range>
|
||||
auto join(Range&& range, wstring_view sep)
|
||||
-> join_view<detail::iterator_t<Range>, detail::sentinel_t<Range>,
|
||||
wchar_t> {
|
||||
return join(std::begin(range), std::end(range), sep);
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
auto join(std::initializer_list<T> list, wstring_view sep)
|
||||
-> join_view<const T*, const T*, wchar_t> {
|
||||
return join(std::begin(list), std::end(list), sep);
|
||||
}
|
||||
|
||||
template <typename Char, FMT_ENABLE_IF(!std::is_same<Char, char>::value)>
|
||||
auto vformat(basic_string_view<Char> format_str,
|
||||
basic_format_args<buffer_context<type_identity_t<Char>>> args)
|
||||
-> std::basic_string<Char> {
|
||||
basic_memory_buffer<Char> buffer;
|
||||
detail::vformat_to(buffer, format_str, args);
|
||||
return to_string(buffer);
|
||||
}
|
||||
|
||||
// Pass char_t as a default template parameter instead of using
|
||||
// std::basic_string<char_t<S>> to reduce the symbol size.
|
||||
template <typename S, typename... Args, typename Char = char_t<S>,
|
||||
FMT_ENABLE_IF(!std::is_same<Char, char>::value)>
|
||||
auto format(const S& format_str, Args&&... args) -> std::basic_string<Char> {
|
||||
return vformat(to_string_view(format_str),
|
||||
fmt::make_format_args<buffer_context<Char>>(args...));
|
||||
}
|
||||
|
||||
template <typename Locale, typename S, typename Char = char_t<S>,
|
||||
FMT_ENABLE_IF(detail::is_locale<Locale>::value&&
|
||||
detail::is_exotic_char<Char>::value)>
|
||||
inline auto vformat(
|
||||
const Locale& loc, const S& format_str,
|
||||
basic_format_args<buffer_context<type_identity_t<Char>>> args)
|
||||
-> std::basic_string<Char> {
|
||||
return detail::vformat(loc, to_string_view(format_str), args);
|
||||
}
|
||||
|
||||
template <typename Locale, typename S, typename... Args,
|
||||
typename Char = char_t<S>,
|
||||
FMT_ENABLE_IF(detail::is_locale<Locale>::value&&
|
||||
detail::is_exotic_char<Char>::value)>
|
||||
inline auto format(const Locale& loc, const S& format_str, Args&&... args)
|
||||
-> std::basic_string<Char> {
|
||||
return detail::vformat(loc, to_string_view(format_str),
|
||||
fmt::make_format_args<buffer_context<Char>>(args...));
|
||||
}
|
||||
|
||||
template <typename OutputIt, typename S, typename Char = char_t<S>,
|
||||
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
|
||||
detail::is_exotic_char<Char>::value)>
|
||||
auto vformat_to(OutputIt out, const S& format_str,
|
||||
basic_format_args<buffer_context<type_identity_t<Char>>> args)
|
||||
-> OutputIt {
|
||||
auto&& buf = detail::get_buffer<Char>(out);
|
||||
detail::vformat_to(buf, to_string_view(format_str), args);
|
||||
return detail::get_iterator(buf);
|
||||
}
|
||||
|
||||
template <typename OutputIt, typename S, typename... Args,
|
||||
typename Char = char_t<S>,
|
||||
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
|
||||
detail::is_exotic_char<Char>::value)>
|
||||
inline auto format_to(OutputIt out, const S& fmt, Args&&... args) -> OutputIt {
|
||||
return vformat_to(out, to_string_view(fmt),
|
||||
fmt::make_format_args<buffer_context<Char>>(args...));
|
||||
}
|
||||
|
||||
template <typename S, typename... Args, typename Char, size_t SIZE,
|
||||
typename Allocator, FMT_ENABLE_IF(detail::is_string<S>::value)>
|
||||
FMT_DEPRECATED auto format_to(basic_memory_buffer<Char, SIZE, Allocator>& buf,
|
||||
const S& format_str, Args&&... args) ->
|
||||
typename buffer_context<Char>::iterator {
|
||||
detail::vformat_to(buf, to_string_view(format_str),
|
||||
fmt::make_format_args<buffer_context<Char>>(args...), {});
|
||||
return detail::buffer_appender<Char>(buf);
|
||||
}
|
||||
|
||||
template <typename Locale, typename S, typename OutputIt, typename... Args,
|
||||
typename Char = char_t<S>,
|
||||
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
|
||||
detail::is_locale<Locale>::value&&
|
||||
detail::is_exotic_char<Char>::value)>
|
||||
inline auto vformat_to(
|
||||
OutputIt out, const Locale& loc, const S& format_str,
|
||||
basic_format_args<buffer_context<type_identity_t<Char>>> args) -> OutputIt {
|
||||
auto&& buf = detail::get_buffer<Char>(out);
|
||||
vformat_to(buf, to_string_view(format_str), args, detail::locale_ref(loc));
|
||||
return detail::get_iterator(buf);
|
||||
}
|
||||
|
||||
template <
|
||||
typename OutputIt, typename Locale, typename S, typename... Args,
|
||||
typename Char = char_t<S>,
|
||||
bool enable = detail::is_output_iterator<OutputIt, Char>::value&&
|
||||
detail::is_locale<Locale>::value&& detail::is_exotic_char<Char>::value>
|
||||
inline auto format_to(OutputIt out, const Locale& loc, const S& format_str,
|
||||
Args&&... args) ->
|
||||
typename std::enable_if<enable, OutputIt>::type {
|
||||
return vformat_to(out, loc, to_string_view(format_str),
|
||||
fmt::make_format_args<buffer_context<Char>>(args...));
|
||||
}
|
||||
|
||||
template <typename OutputIt, typename Char, typename... Args,
|
||||
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
|
||||
detail::is_exotic_char<Char>::value)>
|
||||
inline auto vformat_to_n(
|
||||
OutputIt out, size_t n, basic_string_view<Char> format_str,
|
||||
basic_format_args<buffer_context<type_identity_t<Char>>> args)
|
||||
-> format_to_n_result<OutputIt> {
|
||||
detail::iterator_buffer<OutputIt, Char, detail::fixed_buffer_traits> buf(out,
|
||||
n);
|
||||
detail::vformat_to(buf, format_str, args);
|
||||
return {buf.out(), buf.count()};
|
||||
}
|
||||
|
||||
template <typename OutputIt, typename S, typename... Args,
|
||||
typename Char = char_t<S>,
|
||||
FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
|
||||
detail::is_exotic_char<Char>::value)>
|
||||
inline auto format_to_n(OutputIt out, size_t n, const S& fmt,
|
||||
const Args&... args) -> format_to_n_result<OutputIt> {
|
||||
return vformat_to_n(out, n, to_string_view(fmt),
|
||||
fmt::make_format_args<buffer_context<Char>>(args...));
|
||||
}
|
||||
|
||||
template <typename S, typename... Args, typename Char = char_t<S>,
|
||||
FMT_ENABLE_IF(detail::is_exotic_char<Char>::value)>
|
||||
inline auto formatted_size(const S& fmt, Args&&... args) -> size_t {
|
||||
detail::counting_buffer<Char> buf;
|
||||
detail::vformat_to(buf, to_string_view(fmt),
|
||||
fmt::make_format_args<buffer_context<Char>>(args...));
|
||||
return buf.count();
|
||||
}
|
||||
|
||||
inline void vprint(std::FILE* f, wstring_view fmt, wformat_args args) {
|
||||
wmemory_buffer buffer;
|
||||
detail::vformat_to(buffer, fmt, args);
|
||||
buffer.push_back(L'\0');
|
||||
if (std::fputws(buffer.data(), f) == -1)
|
||||
FMT_THROW(system_error(errno, FMT_STRING("cannot write to file")));
|
||||
}
|
||||
|
||||
inline void vprint(wstring_view fmt, wformat_args args) {
|
||||
vprint(stdout, fmt, args);
|
||||
}
|
||||
|
||||
template <typename... T>
|
||||
void print(std::FILE* f, wformat_string<T...> fmt, T&&... args) {
|
||||
return vprint(f, wstring_view(fmt), fmt::make_wformat_args(args...));
|
||||
}
|
||||
|
||||
template <typename... T> void print(wformat_string<T...> fmt, T&&... args) {
|
||||
return vprint(wstring_view(fmt), fmt::make_wformat_args(args...));
|
||||
}
|
||||
|
||||
/**
|
||||
Converts *value* to ``std::wstring`` using the default format for type *T*.
|
||||
*/
|
||||
template <typename T> inline auto to_wstring(const T& value) -> std::wstring {
|
||||
return format(FMT_STRING(L"{}"), value);
|
||||
}
|
||||
FMT_MODULE_EXPORT_END
|
||||
FMT_END_NAMESPACE
|
||||
|
||||
#endif // FMT_XCHAR_H_
|
||||
|
|
@ -0,0 +1,105 @@
|
|||
// Formatting library for C++
|
||||
//
|
||||
// Copyright (c) 2012 - 2016, Victor Zverovich
|
||||
// All rights reserved.
|
||||
//
|
||||
// For the license information refer to format.h.
|
||||
|
||||
#include "fmt/format-inl.h"
|
||||
|
||||
FMT_BEGIN_NAMESPACE
|
||||
namespace detail {
|
||||
|
||||
// DEPRECATED!
|
||||
template <typename T = void> struct basic_data {
|
||||
FMT_API static constexpr const char digits[100][2] = {
|
||||
{'0', '0'}, {'0', '1'}, {'0', '2'}, {'0', '3'}, {'0', '4'}, {'0', '5'},
|
||||
{'0', '6'}, {'0', '7'}, {'0', '8'}, {'0', '9'}, {'1', '0'}, {'1', '1'},
|
||||
{'1', '2'}, {'1', '3'}, {'1', '4'}, {'1', '5'}, {'1', '6'}, {'1', '7'},
|
||||
{'1', '8'}, {'1', '9'}, {'2', '0'}, {'2', '1'}, {'2', '2'}, {'2', '3'},
|
||||
{'2', '4'}, {'2', '5'}, {'2', '6'}, {'2', '7'}, {'2', '8'}, {'2', '9'},
|
||||
{'3', '0'}, {'3', '1'}, {'3', '2'}, {'3', '3'}, {'3', '4'}, {'3', '5'},
|
||||
{'3', '6'}, {'3', '7'}, {'3', '8'}, {'3', '9'}, {'4', '0'}, {'4', '1'},
|
||||
{'4', '2'}, {'4', '3'}, {'4', '4'}, {'4', '5'}, {'4', '6'}, {'4', '7'},
|
||||
{'4', '8'}, {'4', '9'}, {'5', '0'}, {'5', '1'}, {'5', '2'}, {'5', '3'},
|
||||
{'5', '4'}, {'5', '5'}, {'5', '6'}, {'5', '7'}, {'5', '8'}, {'5', '9'},
|
||||
{'6', '0'}, {'6', '1'}, {'6', '2'}, {'6', '3'}, {'6', '4'}, {'6', '5'},
|
||||
{'6', '6'}, {'6', '7'}, {'6', '8'}, {'6', '9'}, {'7', '0'}, {'7', '1'},
|
||||
{'7', '2'}, {'7', '3'}, {'7', '4'}, {'7', '5'}, {'7', '6'}, {'7', '7'},
|
||||
{'7', '8'}, {'7', '9'}, {'8', '0'}, {'8', '1'}, {'8', '2'}, {'8', '3'},
|
||||
{'8', '4'}, {'8', '5'}, {'8', '6'}, {'8', '7'}, {'8', '8'}, {'8', '9'},
|
||||
{'9', '0'}, {'9', '1'}, {'9', '2'}, {'9', '3'}, {'9', '4'}, {'9', '5'},
|
||||
{'9', '6'}, {'9', '7'}, {'9', '8'}, {'9', '9'}};
|
||||
FMT_API static constexpr const char hex_digits[] = "0123456789abcdef";
|
||||
FMT_API static constexpr const char signs[4] = {0, '-', '+', ' '};
|
||||
FMT_API static constexpr const char left_padding_shifts[5] = {31, 31, 0, 1,
|
||||
0};
|
||||
FMT_API static constexpr const char right_padding_shifts[5] = {0, 31, 0, 1,
|
||||
0};
|
||||
FMT_API static constexpr const unsigned prefixes[4] = {0, 0, 0x1000000u | '+',
|
||||
0x1000000u | ' '};
|
||||
};
|
||||
|
||||
#ifdef FMT_SHARED
|
||||
// Required for -flto, -fivisibility=hidden and -shared to work
|
||||
extern template struct basic_data<void>;
|
||||
#endif
|
||||
|
||||
#if __cplusplus < 201703L
|
||||
// DEPRECATED! These are here only for ABI compatiblity.
|
||||
template <typename T> constexpr const char basic_data<T>::digits[][2];
|
||||
template <typename T> constexpr const char basic_data<T>::hex_digits[];
|
||||
template <typename T> constexpr const char basic_data<T>::signs[];
|
||||
template <typename T> constexpr const char basic_data<T>::left_padding_shifts[];
|
||||
template <typename T>
|
||||
constexpr const char basic_data<T>::right_padding_shifts[];
|
||||
template <typename T> constexpr const unsigned basic_data<T>::prefixes[];
|
||||
#endif
|
||||
|
||||
template FMT_API dragonbox::decimal_fp<float> dragonbox::to_decimal(
|
||||
float x) noexcept;
|
||||
template FMT_API dragonbox::decimal_fp<double> dragonbox::to_decimal(
|
||||
double x) noexcept;
|
||||
} // namespace detail
|
||||
|
||||
// Workaround a bug in MSVC2013 that prevents instantiation of format_float.
|
||||
int (*instantiate_format_float)(double, int, detail::float_specs,
|
||||
detail::buffer<char>&) = detail::format_float;
|
||||
|
||||
#ifndef FMT_STATIC_THOUSANDS_SEPARATOR
|
||||
template FMT_API detail::locale_ref::locale_ref(const std::locale& loc);
|
||||
template FMT_API std::locale detail::locale_ref::get<std::locale>() const;
|
||||
#endif
|
||||
|
||||
// Explicit instantiations for char.
|
||||
|
||||
template FMT_API auto detail::thousands_sep_impl(locale_ref)
|
||||
-> thousands_sep_result<char>;
|
||||
template FMT_API char detail::decimal_point_impl(locale_ref);
|
||||
|
||||
template FMT_API void detail::buffer<char>::append(const char*, const char*);
|
||||
|
||||
// DEPRECATED!
|
||||
// There is no correspondent extern template in format.h because of
|
||||
// incompatibility between clang and gcc (#2377).
|
||||
template FMT_API void detail::vformat_to(
|
||||
detail::buffer<char>&, string_view,
|
||||
basic_format_args<FMT_BUFFER_CONTEXT(char)>, detail::locale_ref);
|
||||
|
||||
template FMT_API int detail::format_float(double, int, detail::float_specs,
|
||||
detail::buffer<char>&);
|
||||
template FMT_API int detail::format_float(long double, int, detail::float_specs,
|
||||
detail::buffer<char>&);
|
||||
|
||||
// Explicit instantiations for wchar_t.
|
||||
|
||||
template FMT_API auto detail::thousands_sep_impl(locale_ref)
|
||||
-> thousands_sep_result<wchar_t>;
|
||||
template FMT_API wchar_t detail::decimal_point_impl(locale_ref);
|
||||
|
||||
template FMT_API void detail::buffer<wchar_t>::append(const wchar_t*,
|
||||
const wchar_t*);
|
||||
|
||||
template struct detail::basic_data<void>;
|
||||
|
||||
FMT_END_NAMESPACE
|
||||
Loading…
Reference in New Issue