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git.saurik.com Git - wxWidgets.git/blob - src/common/strconv.cpp
1 /////////////////////////////////////////////////////////////////////////////
3 // Purpose: Unicode conversion classes
4 // Author: Ove Kaaven, Robert Roebling, Vadim Zeitlin, Vaclav Slavik
8 // Copyright: (c) 1999 Ove Kaaven, Robert Roebling, Vadim Zeitlin, Vaclav Slavik
9 // Licence: wxWindows license
10 /////////////////////////////////////////////////////////////////////////////
12 // ============================================================================
14 // ============================================================================
16 // ----------------------------------------------------------------------------
18 // ----------------------------------------------------------------------------
21 #pragma implementation "strconv.h"
24 // For compilers that support precompilation, includes "wx.h".
25 #include "wx/wxprec.h"
37 #include "wx/msw/private.h"
45 #include "wx/module.h"
46 #include "wx/strconv.h"
48 // ----------------------------------------------------------------------------
50 // ----------------------------------------------------------------------------
53 WXDLLEXPORT_DATA(wxMBConv
) wxConvLibc
;
54 WXDLLEXPORT_DATA(wxCSConv
) wxConvLocal((const wxChar
*)NULL
);
56 // stand-ins in absence of wchar_t
57 WXDLLEXPORT_DATA(wxMBConv
) wxConvLibc
, wxConvFile
;
58 #endif // wxUSE_WCHAR_T
60 WXDLLEXPORT_DATA(wxMBConv
*) wxConvCurrent
= &wxConvLibc
;
62 class wxStrConvModule
: public wxModule
65 wxStrConvModule() : wxModule() { }
66 virtual bool OnInit() { return TRUE
; }
74 DECLARE_DYNAMIC_CLASS(wxStrConvModule
)
77 IMPLEMENT_DYNAMIC_CLASS(wxStrConvModule
, wxModule
)
80 // ----------------------------------------------------------------------------
82 // ----------------------------------------------------------------------------
94 #include "wx/encconv.h"
95 #include "wx/fontmap.h"
97 // ----------------------------------------------------------------------------
99 // ----------------------------------------------------------------------------
101 #define BSWAP_UCS4(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT32_SWAP_ALWAYS(str[_c]); }
102 #define BSWAP_UTF16(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT16_SWAP_ALWAYS(str[_c]); }
104 // under Unix SIZEOF_WCHAR_T is defined by configure, but under other platforms
105 // it might be not defined - assume the most common value
106 #ifndef SIZEOF_WCHAR_T
107 #define SIZEOF_WCHAR_T 2
108 #endif // !defined(SIZEOF_WCHAR_T)
110 #if SIZEOF_WCHAR_T == 4
111 #define WC_NAME "UCS4"
112 #define WC_BSWAP BSWAP_UCS4
113 #ifdef WORDS_BIGENDIAN
114 #define WC_NAME_BEST "UCS-4BE"
116 #define WC_NAME_BEST "UCS-4LE"
118 #elif SIZEOF_WCHAR_T == 2
119 #define WC_NAME "UTF16"
120 #define WC_BSWAP BSWAP_UTF16
122 #ifdef WORDS_BIGENDIAN
123 #define WC_NAME_BEST "UTF-16BE"
125 #define WC_NAME_BEST "UTF-16LE"
127 #else // sizeof(wchar_t) != 2 nor 4
128 // I don't know what to do about this
129 #error "Weird sizeof(wchar_t): please report your platform details to wx-users mailing list"
132 // ============================================================================
134 // ============================================================================
136 // ----------------------------------------------------------------------------
137 // UTF-16 en/decoding
138 // ----------------------------------------------------------------------------
142 static size_t encode_utf16(wxUint32 input
, wchar_t *output
)
146 if (output
) *output
++ = (wchar_t) input
;
149 else if (input
>=0x110000)
157 *output
++ = (wchar_t) ((input
>> 10)+0xd7c0);
158 *output
++ = (wchar_t) ((input
&0x3ff)+0xdc00);
164 static size_t decode_utf16(const wchar_t* input
, wxUint32
& output
)
166 if ((*input
<0xd800) || (*input
>0xdfff))
171 else if ((input
[1]<0xdc00) || (input
[1]>=0xdfff))
178 output
= ((input
[0] - 0xd7c0) << 10) + (input
[1] - 0xdc00);
185 // ----------------------------------------------------------------------------
187 // ----------------------------------------------------------------------------
189 #define IGNORE_LIBC 0
191 size_t wxMBConv::MB2WC(wchar_t *buf
, const char *psz
, size_t n
) const
196 for (size_t i
= 0; i
< strlen( psz
)+1; i
++)
197 buf
[i
] = (wchar_t) psz
[i
];
198 // printf( "libc %s\n", buf );
199 return strlen( psz
);
203 return strlen( psz
);
206 return wxMB2WC(buf
, psz
, n
);
210 size_t wxMBConv::WC2MB(char *buf
, const wchar_t *psz
, size_t n
) const
215 for (size_t i
= 0; i
< wxStrlen( psz
)+1; i
++)
216 buf
[i
] = (char) psz
[i
];
217 // printf( "libc %s\n", buf );
218 return wxStrlen( psz
);
222 return wxStrlen( psz
);
225 return wxWC2MB(buf
, psz
, n
);
229 const wxWCharBuffer
wxMBConv::cMB2WC(const char *psz
) const
233 size_t nLen
= MB2WC((wchar_t *) NULL
, psz
, 0); // return value excludes /0
234 if (nLen
== (size_t)-1)
235 return wxWCharBuffer((wchar_t *) NULL
);
236 wxWCharBuffer
buf(nLen
); // this allocates nLen1+
237 MB2WC((wchar_t *)(const wchar_t *) buf
, psz
, nLen
+1);
241 return wxWCharBuffer((wchar_t *) NULL
);
244 const wxCharBuffer
wxMBConv::cWC2MB(const wchar_t *psz
) const
248 size_t nLen
= WC2MB((char *) NULL
, psz
, 0); // return value excludes /0
249 if (nLen
== (size_t)-1)
250 return wxCharBuffer((char *) NULL
);
251 wxCharBuffer
buf(nLen
); // this allocates nLen+1
252 WC2MB((char *)(const char *) buf
, psz
, nLen
+1);
253 // printf( "str %s\n", (const char*) buf );
257 return wxCharBuffer((char *) NULL
);
260 // ----------------------------------------------------------------------------
261 // standard gdk conversion
262 // ----------------------------------------------------------------------------
266 WXDLLEXPORT_DATA(wxMBConvGdk
) wxConvGdk
;
270 size_t wxMBConvGdk::MB2WC(wchar_t *buf
, const char *psz
, size_t n
) const
274 return gdk_mbstowcs((GdkWChar
*)buf
, psz
, n
);
278 GdkWChar
*nbuf
= new GdkWChar
[n
=strlen(psz
)];
279 size_t len
= gdk_mbstowcs(nbuf
, psz
, n
);
285 size_t wxMBConvGdk::WC2MB(char *buf
, const wchar_t *psz
, size_t n
) const
287 char *mbstr
= gdk_wcstombs((GdkWChar
*)psz
);
288 size_t len
= mbstr
? strlen(mbstr
) : 0;
293 memcpy(buf
, psz
, len
);
302 // ----------------------------------------------------------------------------
304 // ----------------------------------------------------------------------------
306 WXDLLEXPORT_DATA(wxMBConvUTF7
) wxConvUTF7
;
309 static char utf7_setD
[]="ABCDEFGHIJKLMNOPQRSTUVWXYZ"
310 "abcdefghijklmnopqrstuvwxyz"
311 "0123456789'(),-./:?";
312 static char utf7_setO
[]="!\"#$%&*;<=>@[]^_`{|}";
313 static char utf7_setB
[]="ABCDEFGHIJKLMNOPQRSTUVWXYZ"
314 "abcdefghijklmnopqrstuvwxyz"
318 // TODO: write actual implementations of UTF-7 here
319 size_t wxMBConvUTF7::MB2WC(wchar_t * WXUNUSED(buf
),
320 const char * WXUNUSED(psz
),
321 size_t WXUNUSED(n
)) const
326 size_t wxMBConvUTF7::WC2MB(char * WXUNUSED(buf
),
327 const wchar_t * WXUNUSED(psz
),
328 size_t WXUNUSED(n
)) const
333 // ----------------------------------------------------------------------------
335 // ----------------------------------------------------------------------------
337 WXDLLEXPORT_DATA(wxMBConvUTF8
) wxConvUTF8
;
339 static wxUint32 utf8_max
[]=
340 { 0x7f, 0x7ff, 0xffff, 0x1fffff, 0x3ffffff, 0x7fffffff, 0xffffffff };
342 size_t wxMBConvUTF8::MB2WC(wchar_t *buf
, const char *psz
, size_t n
) const
346 while (*psz
&& ((!buf
) || (len
< n
)))
348 unsigned char cc
= *psz
++, fc
= cc
;
350 for (cnt
= 0; fc
& 0x80; cnt
++)
364 // invalid UTF-8 sequence
369 unsigned ocnt
= cnt
- 1;
370 wxUint32 res
= cc
& (0x3f >> cnt
);
374 if ((cc
& 0xC0) != 0x80)
376 // invalid UTF-8 sequence
379 res
= (res
<< 6) | (cc
& 0x3f);
381 if (res
<= utf8_max
[ocnt
])
383 // illegal UTF-8 encoding
387 size_t pa
= encode_utf16(res
, buf
);
388 if (pa
== (size_t)-1)
397 #endif // WC_UTF16/!WC_UTF16
401 if (buf
&& (len
< n
))
406 size_t wxMBConvUTF8::WC2MB(char *buf
, const wchar_t *psz
, size_t n
) const
410 while (*psz
&& ((!buf
) || (len
< n
)))
414 size_t pa
= decode_utf16(psz
, cc
);
415 psz
+= (pa
== (size_t)-1) ? 1 : pa
;
417 cc
=(*psz
++) & 0x7fffffff;
420 for (cnt
= 0; cc
> utf8_max
[cnt
]; cnt
++) {}
434 *buf
++ = (char) ((-128 >> cnt
) | ((cc
>> (cnt
* 6)) & (0x3f >> cnt
)));
436 *buf
++ = (char) (0x80 | ((cc
>> (cnt
* 6)) & 0x3f));
441 if (buf
&& (len
<n
)) *buf
= 0;
446 // ============================================================================
447 // wxCharacterSet and derived classes
448 // ============================================================================
450 // ----------------------------------------------------------------------------
451 // wxCharacterSet is the ABC for the classes below
452 // ----------------------------------------------------------------------------
457 wxCharacterSet(const wxChar
*name
) : cname(name
) {}
458 virtual ~wxCharacterSet() {}
459 virtual size_t MB2WC(wchar_t *buf
, const char *psz
, size_t n
) = 0;
460 virtual size_t WC2MB(char *buf
, const wchar_t *psz
, size_t n
) = 0;
461 virtual bool usable() const = 0;
466 // ----------------------------------------------------------------------------
467 // ID_CharSet: implementation of wxCharacterSet using an existing wxMBConv
468 // ----------------------------------------------------------------------------
470 class ID_CharSet
: public wxCharacterSet
473 ID_CharSet(const wxChar
*name
, wxMBConv
*cnv
)
474 : wxCharacterSet(name
), work(cnv
) {}
476 size_t MB2WC(wchar_t *buf
, const char *psz
, size_t n
)
477 { return work
? work
->MB2WC(buf
,psz
,n
) : (size_t)-1; }
479 size_t WC2MB(char *buf
, const wchar_t *psz
, size_t n
)
480 { return work
? work
->WC2MB(buf
,psz
,n
) : (size_t)-1; }
483 { return work
!=NULL
; }
489 // ============================================================================
490 // The classes doing conversion using the iconv_xxx() functions
491 // ============================================================================
495 // VS: glibc 2.1.3 is broken in that iconv() conversion to/from UCS4 fails with E2BIG
496 // if output buffer is _exactly_ as big as needed. Such case is (unless there's
497 // yet another bug in glibc) the only case when iconv() returns with (size_t)-1
498 // (which means error) and says there are 0 bytes left in the input buffer --
499 // when _real_ error occurs, bytes-left-in-input buffer is non-zero. Hence,
500 // this alternative test for iconv() failure.
501 // [This bug does not appear in glibc 2.2.]
502 #if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ <= 1
503 #define ICONV_FAILED(cres, bufLeft) ((cres == (size_t)-1) && \
504 (errno != E2BIG || bufLeft != 0))
506 #define ICONV_FAILED(cres, bufLeft) (cres == (size_t)-1)
510 #define ICONV_CHAR_CAST(x) ((char **)(x))
512 #define ICONV_CHAR_CAST(x) ((const char **)(x))
515 // ----------------------------------------------------------------------------
516 // IC_CharSet: encapsulates an iconv character set
517 // ----------------------------------------------------------------------------
519 class IC_CharSet
: public wxCharacterSet
522 IC_CharSet(const wxChar
*name
);
523 virtual ~IC_CharSet();
525 virtual size_t MB2WC(wchar_t *buf
, const char *psz
, size_t n
);
526 virtual size_t WC2MB(char *buf
, const wchar_t *psz
, size_t n
);
529 { return (m2w
!= (iconv_t
)-1) && (w2m
!= (iconv_t
)-1); }
532 // the iconv handlers used to translate from multibyte to wide char and in
533 // the other direction
538 // the name (for iconv_open()) of a wide char charset - if none is
539 // available on this machine, it will remain NULL
540 static const char *ms_wcCharsetName
;
542 // true if the wide char encoding we use (i.e. ms_wcCharsetName) has
543 // different endian-ness than the native one
544 static bool ms_wcNeedsSwap
;
547 const char *IC_CharSet::ms_wcCharsetName
= NULL
;
548 bool IC_CharSet::ms_wcNeedsSwap
= FALSE
;
550 IC_CharSet::IC_CharSet(const wxChar
*name
)
551 : wxCharacterSet(name
)
553 // Do it the hard way
555 for (size_t i
= 0; i
< wxStrlen(name
)+1; i
++)
556 cname
[i
] = (char) name
[i
];
558 // check for charset that represents wchar_t:
559 if (ms_wcCharsetName
== NULL
)
561 ms_wcNeedsSwap
= FALSE
;
563 // try charset with explicit bytesex info (e.g. "UCS-4LE"):
564 ms_wcCharsetName
= WC_NAME_BEST
;
565 m2w
= iconv_open(ms_wcCharsetName
, cname
);
567 if (m2w
== (iconv_t
)-1)
569 // try charset w/o bytesex info (e.g. "UCS4")
570 // and check for bytesex ourselves:
571 ms_wcCharsetName
= WC_NAME
;
572 m2w
= iconv_open(ms_wcCharsetName
, cname
);
574 // last bet, try if it knows WCHAR_T pseudo-charset
575 if (m2w
== (iconv_t
)-1)
577 ms_wcCharsetName
= "WCHAR_T";
578 m2w
= iconv_open(ms_wcCharsetName
, cname
);
581 if (m2w
!= (iconv_t
)-1)
583 char buf
[2], *bufPtr
;
584 wchar_t wbuf
[2], *wbufPtr
;
592 outsz
= SIZEOF_WCHAR_T
* 2;
596 res
= iconv(m2w
, ICONV_CHAR_CAST(&bufPtr
), &insz
,
597 (char**)&wbufPtr
, &outsz
);
599 if (ICONV_FAILED(res
, insz
))
601 ms_wcCharsetName
= NULL
;
602 wxLogLastError(wxT("iconv"));
603 wxLogError(_("Convertion to charset '%s' doesn't work."), name
);
607 ms_wcNeedsSwap
= wbuf
[0] != (wchar_t)buf
[0];
612 ms_wcCharsetName
= NULL
;
614 // VS: we must not output an error here, since wxWindows will safely
615 // fall back to using wxEncodingConverter.
616 wxLogTrace(wxT("strconv"), wxT("Impossible to convert to/from charset '%s' with iconv, falling back to wxEncodingConverter."), name
);
620 wxLogTrace(wxT("strconv"), wxT("wchar_t charset is '%s', needs swap: %i"), ms_wcCharsetName
, ms_wcNeedsSwap
);
622 else // we already have ms_wcCharsetName
624 m2w
= iconv_open(ms_wcCharsetName
, cname
);
627 // NB: don't ever pass NULL to iconv_open(), it may crash!
628 if ( ms_wcCharsetName
)
630 w2m
= iconv_open( cname
, ms_wcCharsetName
);
638 IC_CharSet::~IC_CharSet()
640 if ( m2w
!= (iconv_t
)-1 )
642 if ( w2m
!= (iconv_t
)-1 )
646 size_t IC_CharSet::MB2WC(wchar_t *buf
, const char *psz
, size_t n
)
648 size_t inbuf
= strlen(psz
);
649 size_t outbuf
= n
* SIZEOF_WCHAR_T
;
651 // VS: Use these instead of psz, buf because iconv() modifies its arguments:
652 wchar_t *bufPtr
= buf
;
653 const char *pszPtr
= psz
;
657 // have destination buffer, convert there
659 ICONV_CHAR_CAST(&pszPtr
), &inbuf
,
660 (char**)&bufPtr
, &outbuf
);
661 res
= n
- (outbuf
/ SIZEOF_WCHAR_T
);
665 // convert to native endianness
666 WC_BSWAP(buf
/* _not_ bufPtr */, res
)
671 // no destination buffer... convert using temp buffer
672 // to calculate destination buffer requirement
677 outbuf
= 8*SIZEOF_WCHAR_T
;
680 ICONV_CHAR_CAST(&pszPtr
), &inbuf
,
681 (char**)&bufPtr
, &outbuf
);
683 res
+= 8-(outbuf
/SIZEOF_WCHAR_T
);
684 } while ((cres
==(size_t)-1) && (errno
==E2BIG
));
687 if (ICONV_FAILED(cres
, inbuf
))
689 //VS: it is ok if iconv fails, hence trace only
690 wxLogTrace(wxT("strconv"), wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
697 size_t IC_CharSet::WC2MB(char *buf
, const wchar_t *psz
, size_t n
)
699 #if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)
700 size_t inbuf
= std::wcslen(psz
) * SIZEOF_WCHAR_T
;
702 size_t inbuf
= ::wcslen(psz
) * SIZEOF_WCHAR_T
;
711 // need to copy to temp buffer to switch endianness
712 // this absolutely doesn't rock!
713 // (no, doing WC_BSWAP twice on the original buffer won't help, as it
714 // could be in read-only memory, or be accessed in some other thread)
715 tmpbuf
=(wchar_t*)malloc((inbuf
+1)*SIZEOF_WCHAR_T
);
716 memcpy(tmpbuf
,psz
,(inbuf
+1)*SIZEOF_WCHAR_T
);
717 WC_BSWAP(tmpbuf
, inbuf
)
723 // have destination buffer, convert there
724 cres
= iconv( w2m
, ICONV_CHAR_CAST(&psz
), &inbuf
, &buf
, &outbuf
);
730 // no destination buffer... convert using temp buffer
731 // to calculate destination buffer requirement
735 buf
= tbuf
; outbuf
= 16;
737 cres
= iconv( w2m
, ICONV_CHAR_CAST(&psz
), &inbuf
, &buf
, &outbuf
);
740 } while ((cres
==(size_t)-1) && (errno
==E2BIG
));
748 if (ICONV_FAILED(cres
, inbuf
))
750 //VS: it is ok if iconv fails, hence trace only
751 wxLogTrace(wxT("strconv"), wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
760 // ============================================================================
761 // Win32 conversion classes
762 // ============================================================================
764 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
766 extern long wxCharsetToCodepage(const wxChar
*charset
); // from utils.cpp
768 class CP_CharSet
: public wxCharacterSet
771 CP_CharSet(const wxChar
* name
)
772 : wxCharacterSet(name
)
774 m_CodePage
= wxCharsetToCodepage(name
);
777 size_t MB2WC(wchar_t *buf
, const char *psz
, size_t n
)
780 MultiByteToWideChar(m_CodePage
, 0, psz
, -1, buf
, buf
? n
: 0);
781 //VS: returns # of written chars for buf!=NULL and *size*
782 // needed buffer for buf==NULL
783 return len
? (buf
? len
: len
-1) : (size_t)-1;
786 size_t WC2MB(char *buf
, const wchar_t *psz
, size_t n
)
788 size_t len
= WideCharToMultiByte(m_CodePage
, 0, psz
, -1, buf
,
789 buf
? n
: 0, NULL
, NULL
);
790 //VS: returns # of written chars for buf!=NULL and *size*
791 // needed buffer for buf==NULL
792 return len
? (buf
? len
: len
-1) : (size_t)-1;
796 { return m_CodePage
!= -1; }
803 // ============================================================================
804 // wxEncodingConverter based conversion classes
805 // ============================================================================
809 class EC_CharSet
: public wxCharacterSet
812 // temporarily just use wxEncodingConverter stuff,
813 // so that it works while a better implementation is built
814 EC_CharSet(const wxChar
* name
) : wxCharacterSet(name
),
815 enc(wxFONTENCODING_SYSTEM
)
818 enc
= wxFontMapper::Get()->CharsetToEncoding(name
, FALSE
);
820 m_ok
= m2w
.Init(enc
, wxFONTENCODING_UNICODE
) &&
821 w2m
.Init(wxFONTENCODING_UNICODE
, enc
);
824 size_t MB2WC(wchar_t *buf
, const char *psz
, size_t WXUNUSED(n
))
826 size_t inbuf
= strlen(psz
);
828 m2w
.Convert(psz
,buf
);
832 size_t WC2MB(char *buf
, const wchar_t *psz
, size_t WXUNUSED(n
))
834 #if ( defined(__BORLANDC__) && (__BORLANDC__ > 0x530) ) \
835 || ( defined(__MWERKS__) && defined(__WXMSW__) )
836 size_t inbuf
= std::wcslen(psz
);
838 size_t inbuf
= ::wcslen(psz
);
841 w2m
.Convert(psz
,buf
);
846 bool usable() const { return m_ok
; }
850 wxEncodingConverter m2w
, w2m
;
852 // were we initialized successfully?
856 #endif // wxUSE_FONTMAP
858 // ----------------------------------------------------------------------------
859 // the function creating the wxCharacterSet for the specified charset on the
860 // current system, trying all possibilities
861 // ----------------------------------------------------------------------------
863 static wxCharacterSet
*wxGetCharacterSet(const wxChar
*name
)
865 // check for the special case of ASCII charset
867 if ( wxFontMapper::Get()->CharsetToEncoding(name
) == wxFONTENCODING_DEFAULT
)
868 #else // wxUSE_FONTMAP
870 #endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
872 // don't convert at all
876 // the test above must have taken care of this case
877 wxCHECK_MSG( name
, NULL
, _T("NULL name must be wxFONTENCODING_DEFAULT") );
879 wxCharacterSet
*cset
;
881 if ( wxStricmp(name
, wxT("UTF8")) == 0 || wxStricmp(name
, wxT("UTF-8")) == 0)
883 cset
= new ID_CharSet(name
, &wxConvUTF8
);
888 cset
= new IC_CharSet(name
);
891 #endif // HAVE_ICONV/!HAVE_ICONV
894 // it can only be NULL in this case
897 #endif // !HAVE_ICONV
899 if ( cset
->usable() )
906 #if defined(__WIN32__) && !defined(__WXMICROWIN__)
907 cset
= new CP_CharSet(name
);
908 if ( cset
->usable() )
916 cset
= new EC_CharSet(name
);
917 if ( cset
->usable() )
922 #endif // wxUSE_FONTMAP
924 wxLogError(_("Cannot convert from encoding '%s'!"), name
);
929 // ============================================================================
930 // wxCSConv implementation
931 // ============================================================================
933 wxCSConv::wxCSConv(const wxChar
*charset
)
935 m_name
= (wxChar
*)NULL
;
936 m_cset
= (wxCharacterSet
*) NULL
;
942 wxCSConv::~wxCSConv()
947 wxCSConv::wxCSConv(const wxCSConv
& conv
)
951 SetName(conv
.m_name
);
954 wxCSConv
& wxCSConv::operator=(const wxCSConv
& conv
)
957 SetName(conv
.m_name
);
961 void wxCSConv::Clear()
971 void wxCSConv::SetName(const wxChar
*charset
)
975 m_name
= wxStrdup(charset
);
980 void wxCSConv::LoadNow()
986 wxString name
= wxLocale::GetSystemEncodingName();
993 // wxGetCharacterSet() complains about NULL name
994 m_cset
= m_name
? wxGetCharacterSet(m_name
) : NULL
;
999 size_t wxCSConv::MB2WC(wchar_t *buf
, const char *psz
, size_t n
) const
1001 ((wxCSConv
*)this)->LoadNow(); // discard constness
1004 return m_cset
->MB2WC(buf
, psz
, n
);
1007 size_t len
= strlen(psz
);
1011 for (size_t c
= 0; c
<= len
; c
++)
1012 buf
[c
] = (unsigned char)(psz
[c
]);
1018 size_t wxCSConv::WC2MB(char *buf
, const wchar_t *psz
, size_t n
) const
1020 ((wxCSConv
*)this)->LoadNow(); // discard constness
1023 return m_cset
->WC2MB(buf
, psz
, n
);
1026 #if ( defined(__BORLANDC__) && (__BORLANDC__ > 0x530) ) \
1027 || ( defined(__MWERKS__) && defined(__WXMSW__) )
1028 size_t len
=std::wcslen(psz
);
1030 size_t len
=::wcslen(psz
);
1034 for (size_t c
= 0; c
<= len
; c
++)
1035 buf
[c
] = (psz
[c
] > 0xff) ? '?' : psz
[c
];
1041 #endif // wxUSE_WCHAR_T