d5c8817ce5
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30586 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
302 lines
10 KiB
C++
302 lines
10 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// Name: strconv.h
|
|
// Purpose: conversion routines for char sets any Unicode
|
|
// Author: Robert Roebling, Ove Kaaven
|
|
// Modified by:
|
|
// Created: 29/01/98
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) 1998 Ove Kaaven, Robert Roebling, Vadim Zeitlin
|
|
// Licence: wxWindows licence
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef _WX_WXSTRCONVH__
|
|
#define _WX_WXSTRCONVH__
|
|
|
|
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
|
|
#pragma interface "strconv.h"
|
|
#endif
|
|
|
|
#include "wx/defs.h"
|
|
#include "wx/wxchar.h"
|
|
#include "wx/buffer.h"
|
|
|
|
#ifdef __DIGITALMARS__
|
|
#include "typeinfo.h"
|
|
#endif
|
|
|
|
#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
|
|
# undef __BSEXCPT__
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
|
|
#if wxUSE_WCHAR_T
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxMBConv (abstract base class for conversions)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_BASE wxMBConv
|
|
{
|
|
public:
|
|
// the actual conversion takes place here
|
|
//
|
|
// note that outputSize is the size of the output buffer, not the length of input
|
|
// (the latter is always supposed to be NUL-terminated)
|
|
virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const = 0;
|
|
virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const = 0;
|
|
|
|
// MB <-> WC
|
|
const wxWCharBuffer cMB2WC(const char *psz) const;
|
|
const wxCharBuffer cWC2MB(const wchar_t *psz) const;
|
|
|
|
// MB <-> WC for strings with embedded null characters
|
|
//
|
|
// pszLen length of the input string
|
|
// pOutSize gets the final size of the converted string
|
|
const wxWCharBuffer cMB2WC(const char *psz, size_t pszLen, size_t* pOutSize) const;
|
|
const wxCharBuffer cWC2MB(const wchar_t *psz, size_t pszLen, size_t* pOutSize) const;
|
|
|
|
// convenience functions for converting MB or WC to/from wxWin default
|
|
#if wxUSE_UNICODE
|
|
const wxWCharBuffer cMB2WX(const char *psz) const { return cMB2WC(psz); }
|
|
const wxCharBuffer cWX2MB(const wchar_t *psz) const { return cWC2MB(psz); }
|
|
const wchar_t* cWC2WX(const wchar_t *psz) const { return psz; }
|
|
const wchar_t* cWX2WC(const wchar_t *psz) const { return psz; }
|
|
#else // ANSI
|
|
const char* cMB2WX(const char *psz) const { return psz; }
|
|
const char* cWX2MB(const char *psz) const { return psz; }
|
|
const wxCharBuffer cWC2WX(const wchar_t *psz) const { return cWC2MB(psz); }
|
|
const wxWCharBuffer cWX2WC(const char *psz) const { return cMB2WC(psz); }
|
|
#endif // Unicode/ANSI
|
|
|
|
// virtual dtor for any base class
|
|
virtual ~wxMBConv();
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxMBConvLibc uses standard mbstowcs() and wcstombs() functions for
|
|
// conversion (hence it depends on the current locale)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_BASE wxMBConvLibc : public wxMBConv
|
|
{
|
|
public:
|
|
virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
|
|
virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
|
|
};
|
|
|
|
// not very accurately named because it is not necessarily of type wxMBConvLibc
|
|
// (but the name can't eb changed because of backwards compatibility) default
|
|
// conversion
|
|
WXDLLIMPEXP_DATA_BASE(extern wxMBConv&) wxConvLibc;
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxMBConvUTF7 (for conversion using UTF7 encoding)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_BASE wxMBConvUTF7 : public wxMBConv
|
|
{
|
|
public:
|
|
virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
|
|
virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
|
|
};
|
|
|
|
WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF7&) wxConvUTF7;
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxMBConvUTF8 (for conversion using UTF8 encoding)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_BASE wxMBConvUTF8 : public wxMBConv
|
|
{
|
|
public:
|
|
virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
|
|
virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
|
|
};
|
|
|
|
WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF8&) wxConvUTF8;
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxMBConvUTF16LE (for conversion using UTF16 Little Endian encoding)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_BASE wxMBConvUTF16LE : public wxMBConv
|
|
{
|
|
public:
|
|
virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
|
|
virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxMBConvUTF16BE (for conversion using UTF16 Big Endian encoding)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_BASE wxMBConvUTF16BE : public wxMBConv
|
|
{
|
|
public:
|
|
virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
|
|
virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxMBConvUCS4LE (for conversion using UTF32 Little Endian encoding)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_BASE wxMBConvUTF32LE : public wxMBConv
|
|
{
|
|
public:
|
|
virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
|
|
virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxMBConvUCS4BE (for conversion using UTF32 Big Endian encoding)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_BASE wxMBConvUTF32BE : public wxMBConv
|
|
{
|
|
public:
|
|
virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
|
|
virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxCSConv (for conversion based on loadable char sets)
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#include "wx/fontenc.h"
|
|
|
|
class WXDLLIMPEXP_BASE wxCSConv : public wxMBConv
|
|
{
|
|
public:
|
|
// we can be created either from charset name or from an encoding constant
|
|
// but we can't have both at once
|
|
wxCSConv(const wxChar *charset);
|
|
wxCSConv(wxFontEncoding encoding);
|
|
|
|
wxCSConv(const wxCSConv& conv);
|
|
virtual ~wxCSConv();
|
|
|
|
wxCSConv& operator=(const wxCSConv& conv);
|
|
|
|
virtual size_t MB2WC(wchar_t *outputBuf, const char *psz, size_t outputSize) const;
|
|
virtual size_t WC2MB(char *outputBuf, const wchar_t *psz, size_t outputSize) const;
|
|
|
|
void Clear() ;
|
|
|
|
private:
|
|
// common part of all ctors
|
|
void Init();
|
|
|
|
// creates m_convReal if necessary
|
|
void CreateConvIfNeeded() const;
|
|
|
|
// do create m_convReal (unconditionally)
|
|
wxMBConv *DoCreate() const;
|
|
|
|
// set the name (may be only called when m_name == NULL), makes copy of
|
|
// charset string
|
|
void SetName(const wxChar *charset);
|
|
|
|
|
|
// note that we can't use wxString here because of compilation
|
|
// dependencies: we're included from wx/string.h
|
|
wxChar *m_name;
|
|
wxFontEncoding m_encoding;
|
|
|
|
// use CreateConvIfNeeded() before accessing m_convReal!
|
|
wxMBConv *m_convReal;
|
|
bool m_deferred;
|
|
};
|
|
|
|
#ifdef __WXOSX__
|
|
#define wxConvFile wxConvUTF8
|
|
#else
|
|
#define wxConvFile wxConvLocal
|
|
#endif
|
|
|
|
WXDLLIMPEXP_DATA_BASE(extern wxCSConv&) wxConvLocal;
|
|
WXDLLIMPEXP_DATA_BASE(extern wxCSConv&) wxConvISO8859_1;
|
|
WXDLLIMPEXP_DATA_BASE(extern wxMBConv *) wxConvCurrent;
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// endianness-dependent conversions
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#ifdef WORDS_BIGENDIAN
|
|
typedef wxMBConvUTF16BE wxMBConvUTF16;
|
|
typedef wxMBConvUTF32BE wxMBConvUTF32;
|
|
#else
|
|
typedef wxMBConvUTF16LE wxMBConvUTF16;
|
|
typedef wxMBConvUTF32LE wxMBConvUTF32;
|
|
#endif
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// filename conversion macros
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// filenames are multibyte on Unix and probably widechar on Windows?
|
|
#if defined(__UNIX__) || defined(__BORLANDC__) || defined(__WXMAC__ )
|
|
#define wxMBFILES 1
|
|
#else
|
|
#define wxMBFILES 0
|
|
#endif
|
|
|
|
#if wxMBFILES && wxUSE_UNICODE
|
|
#define wxFNCONV(name) wxConvFile.cWX2MB(name)
|
|
#define wxFNSTRINGCAST wxMBSTRINGCAST
|
|
#else
|
|
#if defined( __WXOSX__ ) && wxMBFILES
|
|
#define wxFNCONV(name) wxConvFile.cWC2MB( wxConvLocal.cWX2WC(name) )
|
|
#else
|
|
#define wxFNCONV(name) name
|
|
#endif
|
|
#define wxFNSTRINGCAST WXSTRINGCAST
|
|
#endif
|
|
|
|
#else
|
|
// !wxUSE_WCHAR_T
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// stand-ins in absence of wchar_t
|
|
// ----------------------------------------------------------------------------
|
|
|
|
class WXDLLIMPEXP_BASE wxMBConv
|
|
{
|
|
public:
|
|
const char* cMB2WX(const char *psz) const { return psz; }
|
|
const char* cWX2MB(const char *psz) const { return psz; }
|
|
};
|
|
|
|
#define wxConvFile wxConvLocal
|
|
|
|
WXDLLIMPEXP_DATA_BASE(extern wxMBConv) wxConvLibc,
|
|
wxConvLocal,
|
|
wxConvISO8859_1,
|
|
wxConvUTF8;
|
|
WXDLLIMPEXP_DATA_BASE(extern wxMBConv *) wxConvCurrent;
|
|
|
|
#define wxFNCONV(name) name
|
|
#define wxFNSTRINGCAST WXSTRINGCAST
|
|
|
|
#endif
|
|
// wxUSE_WCHAR_T
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// macros for the most common conversions
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#if wxUSE_UNICODE
|
|
#define wxConvertWX2MB(s) wxConvCurrent->cWX2MB(s)
|
|
#define wxConvertMB2WX(s) wxConvCurrent->cMB2WX(s)
|
|
#else // ANSI
|
|
// no conversions to do
|
|
#define wxConvertWX2MB(s) (s)
|
|
#define wxConvertMB2WX(s) (s)
|
|
#endif // Unicode/ANSI
|
|
|
|
#endif
|
|
// _WX_WXSTRCONVH__
|
|
|