X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7af0846427683d08c44b5d88f39c932ace31843c..831dd3a1e8b8d8e21518a1344b736524692f5fb7:/include/wx/strconv.h diff --git a/include/wx/strconv.h b/include/wx/strconv.h index dd127751dd..59aefd6a5c 100644 --- a/include/wx/strconv.h +++ b/include/wx/strconv.h @@ -12,7 +12,7 @@ #ifndef _WX_WXSTRCONVH__ #define _WX_WXSTRCONVH__ -#if defined(__GNUG__) && !defined(__APPLE__) +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma interface "strconv.h" #endif @@ -33,20 +33,24 @@ #if wxUSE_WCHAR_T // ---------------------------------------------------------------------------- -// wxMBConv (base class for conversions, using libc conversion itself) +// wxMBConv (abstract base class for conversions) // ---------------------------------------------------------------------------- class WXDLLIMPEXP_BASE wxMBConv { public: // the actual conversion takes place here - virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; - virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; + // + // note that n 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; - // No longer inline since BC++ complains. + // MB <-> WC const wxWCharBuffer cMB2WC(const char *psz) const; const wxCharBuffer cWC2MB(const wchar_t *psz) 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); } @@ -63,7 +67,22 @@ public: virtual ~wxMBConv(); }; -WXDLLIMPEXP_DATA_BASE(extern wxMBConv) wxConvLibc; +// ---------------------------------------------------------------------------- +// 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) @@ -72,11 +91,11 @@ WXDLLIMPEXP_DATA_BASE(extern wxMBConv) wxConvLibc; class WXDLLIMPEXP_BASE wxMBConvUTF7 : public wxMBConv { public: - virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; - virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; + 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; +WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF7&) wxConvUTF7; // ---------------------------------------------------------------------------- // wxMBConvUTF8 (for conversion using UTF8 encoding) @@ -85,49 +104,122 @@ WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF7) wxConvUTF7; class WXDLLIMPEXP_BASE wxMBConvUTF8 : public wxMBConv { public: - virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; - virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; + 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; }; -WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF8) wxConvUTF8; +// ---------------------------------------------------------------------------- +// 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) // ---------------------------------------------------------------------------- -class WXDLLIMPEXP_BASE wxCharacterSet; +#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); - void LoadNow(); - - virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; - virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; + 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; - wxCharacterSet *m_cset; + wxFontEncoding m_encoding; + + // use CreateConvIfNeeded() before accessing m_convReal! + wxMBConv *m_convReal; bool m_deferred; }; #define wxConvFile wxConvLocal -WXDLLIMPEXP_DATA_BASE(extern wxCSConv) wxConvLocal; -WXDLLIMPEXP_DATA_BASE(extern wxCSConv) wxConvISO8859_1; +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 // ---------------------------------------------------------------------------- @@ -161,7 +253,12 @@ public: const char* cWX2MB(const char *psz) const { return psz; } }; -WXDLLIMPEXP_DATA_BASE(extern wxMBConv) wxConvLibc, wxConvFile, wxConvLocal, wxConvISO8859_1, wxConvUTF8; +#define wxConvFile wxConvLocal + +WXDLLIMPEXP_DATA_BASE(extern wxMBConv) wxConvLibc, + wxConvLocal, + wxConvISO8859_1, + wxConvUTF8; WXDLLIMPEXP_DATA_BASE(extern wxMBConv *) wxConvCurrent; #define wxFNCONV(name) name