mirror of https://github.com/PCSX2/pcsx2.git
236 lines
8.0 KiB
C++
236 lines
8.0 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2010 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "Dependencies.h"
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#include "SafeArray.h"
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#include "ScopedAlloc.h"
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#include <wx/tokenzr.h>
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#if _WIN32
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#define WX_STR(str) (str.wc_str())
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#else
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// Stupid wx3.0 doesn't support c_str for vararg function
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#define WX_STR(str) (static_cast<const char *>(str.c_str()))
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#endif
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// --------------------------------------------------------------------------------------
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// pxToUTF8
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// --------------------------------------------------------------------------------------
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// Converts a string to UTF8 and provides an interface for getting its length.
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class pxToUTF8
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{
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DeclareNoncopyableObject(pxToUTF8);
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protected:
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wxCharBuffer m_result;
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int m_length;
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public:
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explicit pxToUTF8(const wxString &src)
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: m_result(src.ToUTF8())
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{
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m_length = -1;
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}
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size_t Length()
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{
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if (-1 == m_length)
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m_length = strlen(m_result);
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return m_length;
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}
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void Convert(const wxString &src)
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{
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m_result = src.ToUTF8();
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m_length = -1;
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}
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const char *data() const { return m_result; }
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operator const char *() const
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{
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return m_result.data();
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}
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};
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extern void px_fputs(FILE *fp, const char *src);
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// wxWidgets lacks one of its own...
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extern const wxRect wxDefaultRect;
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extern void SplitString(wxArrayString &dest, const wxString &src, const wxString &delims, wxStringTokenizerMode mode = wxTOKEN_RET_EMPTY_ALL);
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extern wxString JoinString(const wxArrayString &src, const wxString &separator);
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extern wxString JoinString(const wxChar **src, const wxString &separator);
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extern wxString ToString(const wxPoint &src, const wxString &separator = L",");
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extern wxString ToString(const wxSize &src, const wxString &separator = L",");
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extern wxString ToString(const wxRect &src, const wxString &separator = L",");
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extern bool TryParse(wxPoint &dest, const wxStringTokenizer &parts);
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extern bool TryParse(wxSize &dest, const wxStringTokenizer &parts);
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extern bool TryParse(wxPoint &dest, const wxString &src, const wxPoint &defval = wxDefaultPosition, const wxString &separators = L",");
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extern bool TryParse(wxSize &dest, const wxString &src, const wxSize &defval = wxDefaultSize, const wxString &separators = L",");
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extern bool TryParse(wxRect &dest, const wxString &src, const wxRect &defval = wxDefaultRect, const wxString &separators = L",");
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// --------------------------------------------------------------------------------------
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// ParsedAssignmentString
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// --------------------------------------------------------------------------------------
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// This class is a simple helper for parsing INI-style assignments, in the typical form of:
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// variable = value
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// filename = SomeString.txt
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// integer = 15
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//
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// This parser supports both '//' and ';' at the head of a line as indicators of a commented
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// line, and such a line will return empty strings for l- and r-value.
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//
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// No type handling is performed -- the user must manually parse strings into integers, etc.
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// For advanced "fully functional" ini file parsing, consider using wxFileConfig instead.
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//
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struct ParsedAssignmentString
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{
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wxString lvalue;
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wxString rvalue;
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bool IsComment;
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ParsedAssignmentString(const wxString &src);
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};
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// ======================================================================================
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// FastFormatAscii / FastFormatUnicode (overview!)
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// ======================================================================================
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// Fast formatting of ASCII or Unicode text. These classes uses a series of thread-local
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// format buffers that are allocated only once and grown to accommodate string formatting
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// needs. Because the buffers are thread-local, no thread synch objects are required in
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// order to format strings, allowing for multi-threaded string formatting operations to be
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// performed with maximum efficiency. This class also reduces the overhead typically required
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// to allocate string buffers off the heap.
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//
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// Drawbacks:
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// * Some overhead is added to the creation and destruction of threads, however since thread
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// construction is a typically slow process, and often avoided to begin with, this should
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// be a sound trade-off.
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//
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// Notes:
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// * conversion to wxString requires a heap allocation.
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// * FastFormatUnicode can accept either UTF8 or UTF16/32 (wchar_t) input, but FastFormatAscii
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// accepts Ascii/UTF8 only.
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//
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typedef ScopedAlignedAlloc<char, 16> CharBufferType;
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// --------------------------------------------------------------------------------------
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// FastFormatAscii
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// --------------------------------------------------------------------------------------
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class FastFormatAscii
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{
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protected:
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CharBufferType m_dest;
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public:
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FastFormatAscii();
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~FastFormatAscii() = default;
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FastFormatAscii &Write(const char *fmt, ...);
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FastFormatAscii &WriteV(const char *fmt, va_list argptr);
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void Clear();
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bool IsEmpty() const;
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const char *c_str() const { return m_dest.GetPtr(); }
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operator const char *() const { return m_dest.GetPtr(); }
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const wxString GetString() const;
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//operator wxString() const;
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FastFormatAscii &operator+=(const wxString &s)
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{
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Write("%s", WX_STR(s));
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return *this;
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}
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FastFormatAscii &operator+=(const wxChar *psz)
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{
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Write("%ls", psz);
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return *this;
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}
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FastFormatAscii &operator+=(const char *psz)
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{
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Write("%s", psz);
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return *this;
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}
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};
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// --------------------------------------------------------------------------------------
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// FastFormatUnicode
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// --------------------------------------------------------------------------------------
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class FastFormatUnicode
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{
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protected:
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CharBufferType m_dest;
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uint m_Length;
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public:
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FastFormatUnicode();
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~FastFormatUnicode() = default;
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FastFormatUnicode &Write(const char *fmt, ...);
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FastFormatUnicode &Write(const wxChar *fmt, ...);
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FastFormatUnicode &Write(const wxString fmt, ...);
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FastFormatUnicode &WriteV(const char *fmt, va_list argptr);
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FastFormatUnicode &WriteV(const wxChar *fmt, va_list argptr);
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void Clear();
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bool IsEmpty() const;
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uint Length() const { return m_Length; }
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FastFormatUnicode &ToUpper();
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FastFormatUnicode &ToLower();
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const wxChar *c_str() const { return (const wxChar *)m_dest.GetPtr(); }
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operator const wxChar *() const { return (const wxChar *)m_dest.GetPtr(); }
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operator wxString() const { return (const wxChar *)m_dest.GetPtr(); }
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FastFormatUnicode &operator+=(const wxString &s)
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{
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Write(L"%s", WX_STR(s));
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return *this;
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}
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FastFormatUnicode &operator+=(const wxChar *psz)
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{
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Write(L"%s", psz);
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return *this;
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}
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FastFormatUnicode &operator+=(const char *psz);
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};
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extern bool pxParseAssignmentString(const wxString &src, wxString &ldest, wxString &rdest);
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#define pxsFmt FastFormatUnicode().Write
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#define pxsFmtV FastFormatUnicode().WriteV
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#define pxsPtr(ptr) pxsFmt("0x%08X", (ptr)).c_str()
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extern wxString &operator+=(wxString &str1, const FastFormatUnicode &str2);
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extern wxString operator+(const wxString &str1, const FastFormatUnicode &str2);
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extern wxString operator+(const wxChar *str1, const FastFormatUnicode &str2);
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extern wxString operator+(const FastFormatUnicode &str1, const wxString &str2);
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extern wxString operator+(const FastFormatUnicode &str1, const wxChar *str2);
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