X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8b04d4c45108c8d70df205ece2690f6729e35b1f..f6840be66eb772c08f0cbb43de677509d5d132bb:/include/wx/strconv.h diff --git a/include/wx/strconv.h b/include/wx/strconv.h index aea07bb35c..0e32d15655 100644 --- a/include/wx/strconv.h +++ b/include/wx/strconv.h @@ -33,20 +33,31 @@ #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 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; - // No longer inline since BC++ complains. + // 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); } @@ -63,7 +74,17 @@ 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; +}; // ---------------------------------------------------------------------------- // wxMBConvUTF7 (for conversion using UTF7 encoding) @@ -72,12 +93,10 @@ 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; - // ---------------------------------------------------------------------------- // wxMBConvUTF8 (for conversion using UTF8 encoding) // ---------------------------------------------------------------------------- @@ -85,11 +104,63 @@ 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; + enum { + MAP_INVALID_UTF8_NOT = 0, + MAP_INVALID_UTF8_TO_PUA = 1, + MAP_INVALID_UTF8_TO_OCTAL = 2 + }; + + wxMBConvUTF8(int options = MAP_INVALID_UTF8_NOT) : m_options(options) { } + 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; + +private: + int m_options; +}; + +// ---------------------------------------------------------------------------- +// 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; }; -WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF8) wxConvUTF8; +// ---------------------------------------------------------------------------- +// 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) @@ -97,22 +168,21 @@ WXDLLIMPEXP_DATA_BASE(extern wxMBConvUTF8) wxConvUTF8; #include "wx/fontenc.h" -class WXDLLIMPEXP_BASE wxCharacterSet; - 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() ; @@ -120,20 +190,71 @@ 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 wxMBConv *) wxConvCurrent; +// ---------------------------------------------------------------------------- +// declare predefined conversion objects +// ---------------------------------------------------------------------------- + +// conversion to be used with all standard functions affected by locale, e.g. +// strtol(), strftime(), ... +extern WXDLLIMPEXP_DATA_BASE(wxMBConv&) wxConvLibc; + +// conversion ISO-8859-1/UTF-7/UTF-8 <-> wchar_t +extern WXDLLIMPEXP_DATA_BASE(wxCSConv&) wxConvISO8859_1; +extern WXDLLIMPEXP_DATA_BASE(wxMBConvUTF7&) wxConvUTF7; +extern WXDLLIMPEXP_DATA_BASE(wxMBConvUTF8&) wxConvUTF8; + +// conversion used for the file names on the systems where they're not Unicode +// (basically anything except Windows) +// +// this is used by all file functions, can be changed by the application +// +// by default UTF-8 under Mac OS X and wxConvLibc elsewhere (but it's not used +// under Windows normally) +extern WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvFileName; + +// backwards compatible define +#define wxConvFile (*wxConvFileName) + +// the current conversion object, may be set to any conversion, is used by +// default in a couple of places inside wx (initially same as wxConvLibc) +extern WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvCurrent; + +// ??? +extern WXDLLIMPEXP_DATA_BASE(wxCSConv&) wxConvLocal; + + +// ---------------------------------------------------------------------------- +// endianness-dependent conversions +// ---------------------------------------------------------------------------- + +#ifdef WORDS_BIGENDIAN + typedef wxMBConvUTF16BE wxMBConvUTF16; + typedef wxMBConvUTF32BE wxMBConvUTF32; +#else + typedef wxMBConvUTF16LE wxMBConvUTF16; + typedef wxMBConvUTF32LE wxMBConvUTF32; +#endif // ---------------------------------------------------------------------------- // filename conversion macros @@ -147,15 +268,18 @@ WXDLLIMPEXP_DATA_BASE(extern wxMBConv *) wxConvCurrent; #endif #if wxMBFILES && wxUSE_UNICODE - #define wxFNCONV(name) wxConvFile.cWX2MB(name) + #define wxFNCONV(name) wxConvFileName->cWX2MB(name) #define wxFNSTRINGCAST wxMBSTRINGCAST +#else +#if defined( __WXOSX__ ) && wxMBFILES + #define wxFNCONV(name) wxConvFileName->cWC2MB( wxConvLocal.cWX2WC(name) ) #else #define wxFNCONV(name) name +#endif #define wxFNSTRINGCAST WXSTRINGCAST #endif -#else - // !wxUSE_WCHAR_T +#else // !wxUSE_WCHAR_T // ---------------------------------------------------------------------------- // stand-ins in absence of wchar_t @@ -168,12 +292,13 @@ public: const char* cWX2MB(const char *psz) const { return psz; } }; -WXDLLIMPEXP_DATA_BASE(extern wxMBConv) wxConvLibc, - wxConvFile, +#define wxConvFile wxConvLocal + +extern WXDLLIMPEXP_DATA_BASE(wxMBConv) wxConvLibc, wxConvLocal, wxConvISO8859_1, wxConvUTF8; -WXDLLIMPEXP_DATA_BASE(extern wxMBConv *) wxConvCurrent; +extern WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvCurrent; #define wxFNCONV(name) name #define wxFNSTRINGCAST WXSTRINGCAST