#include "wx/log.h"
#endif // WX_PRECOMP
+#include "wx/strconv.h"
+
+#if wxUSE_WCHAR_T
+
#ifdef __WXMSW__
#include "wx/msw/private.h"
#endif
+#ifdef __WINDOWS__
+ #include "wx/msw/missing.h"
+#endif
+
#ifndef __WXWINCE__
#include <errno.h>
#endif
#include <string.h>
#include <stdlib.h>
-#include "wx/module.h"
-#include "wx/strconv.h"
-
#if defined(__WIN32__) && !defined(__WXMICROWIN__)
#define wxHAVE_WIN32_MB2WC
#endif // __WIN32__ but !__WXMICROWIN__
-// ----------------------------------------------------------------------------
-// globals
-// ----------------------------------------------------------------------------
-
-#if wxUSE_WCHAR_T
- WXDLLIMPEXP_DATA_BASE(wxMBConv) wxConvLibc;
- WXDLLIMPEXP_DATA_BASE(wxCSConv) wxConvLocal((const wxChar *)NULL);
- WXDLLIMPEXP_DATA_BASE(wxCSConv) wxConvISO8859_1(_T("iso-8859-1"));
-#else
- // stand-ins in absence of wchar_t
- WXDLLIMPEXP_DATA_BASE(wxMBConv) wxConvLibc,
- wxConvFile,
- wxConvISO8859_1,
- wxConvLocal,
- wxConvUTF8;
-#endif // wxUSE_WCHAR_T
-
-WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvCurrent = &wxConvLibc;
-
-class wxStrConvModule: public wxModule
-{
-public:
- wxStrConvModule() : wxModule() { }
- virtual bool OnInit() { return true; }
- virtual void OnExit()
- {
-#if wxUSE_WCHAR_T
- wxConvLocal.Clear();
- wxConvISO8859_1.Clear();
-#endif
- }
-
- DECLARE_DYNAMIC_CLASS(wxStrConvModule)
-};
-
-IMPLEMENT_DYNAMIC_CLASS(wxStrConvModule, wxModule)
-
-
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
-#if wxUSE_WCHAR_T
-
#ifdef __SALFORDC__
#include <clib.h>
#endif
#include "wx/encconv.h"
#include "wx/fontmap.h"
+#include "wx/utils.h"
+#ifdef __WXMAC__
+#include <ATSUnicode.h>
+#include <TextCommon.h>
+#include <TextEncodingConverter.h>
+
+#include "wx/mac/private.h" // includes mac headers
+#endif
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
#define BSWAP_UCS4(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT32_SWAP_ALWAYS(str[_c]); }
#define BSWAP_UTF16(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT16_SWAP_ALWAYS(str[_c]); }
-// under Unix SIZEOF_WCHAR_T is defined by configure, but under other platforms
-// it might be not defined - assume the most common value
-#ifndef SIZEOF_WCHAR_T
- #define SIZEOF_WCHAR_T 2
-#endif // !defined(SIZEOF_WCHAR_T)
-
#if SIZEOF_WCHAR_T == 4
#define WC_NAME "UCS4"
#define WC_BSWAP BSWAP_UCS4
#define WC_NAME_BEST "UTF-16LE"
#endif
#else // sizeof(wchar_t) != 2 nor 4
- // I don't know what to do about this
- #error "Weird sizeof(wchar_t): please report your platform details to wx-users mailing list"
+ // does this ever happen?
+ #error "Unknown sizeof(wchar_t): please report this to wx-dev@lists.wxwindows.org"
#endif
// ============================================================================
{
if (input<=0xffff)
{
- if (output) *output++ = (wxUint16) input;
+ if (output)
+ *output = (wxUint16) input;
return 1;
}
else if (input>=0x110000)
if (output)
{
*output++ = (wxUint16) ((input >> 10)+0xd7c0);
- *output++ = (wxUint16) ((input&0x3ff)+0xdc00);
+ *output = (wxUint16) ((input&0x3ff)+0xdc00);
}
return 2;
}
// wxMBConv
// ----------------------------------------------------------------------------
-#define IGNORE_LIBC 0
-
wxMBConv::~wxMBConv()
{
// nothing to do here
}
-size_t wxMBConv::MB2WC(wchar_t *buf, const char *psz, size_t n) const
-{
-#if IGNORE_LIBC
- if (buf)
- {
- for (size_t i = 0; i < strlen( psz )+1; i++)
- buf[i] = (wchar_t) psz[i];
- return strlen( psz );
- }
- else
- {
- return strlen( psz );
- }
-#else
- return wxMB2WC(buf, psz, n);
-#endif
-}
-
-size_t wxMBConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
-{
-#if IGNORE_LIBC
- if (buf)
- {
- for (size_t i = 0; i < wxStrlen( psz )+1; i++)
- buf[i] = (char) psz[i];
- return wxStrlen( psz );
- }
- else
- {
- return wxStrlen( psz );
- }
-#else
- return wxWC2MB(buf, psz, n);
-#endif
-}
-
const wxWCharBuffer wxMBConv::cMB2WC(const char *psz) const
{
if ( psz )
{
// now do the actual conversion
wxWCharBuffer buf(nLen);
- MB2WC(buf.data(), psz, nLen + 1); // with the trailing NUL
-
- return buf;
+ nLen = MB2WC(buf.data(), psz, nLen + 1); // with the trailing NULL
+ if ( nLen != (size_t)-1 )
+ {
+ return buf;
+ }
}
}
if ( nLen != (size_t)-1 )
{
wxCharBuffer buf(nLen+3); // space for a wxUint32 trailing zero
- WC2MB(buf.data(), pwz, nLen + 4);
-
- return buf;
+ nLen = WC2MB(buf.data(), pwz, nLen + 4);
+ if ( nLen != (size_t)-1 )
+ {
+ return buf;
+ }
}
}
}
// ----------------------------------------------------------------------------
-// UTF-7
+// wxMBConvLibc
// ----------------------------------------------------------------------------
-WXDLLIMPEXP_DATA_BASE(wxMBConvUTF7) wxConvUTF7;
+size_t wxMBConvLibc::MB2WC(wchar_t *buf, const char *psz, size_t n) const
+{
+ return wxMB2WC(buf, psz, n);
+}
+
+size_t wxMBConvLibc::WC2MB(char *buf, const wchar_t *psz, size_t n) const
+{
+ return wxWC2MB(buf, psz, n);
+}
+
+// ----------------------------------------------------------------------------
+// UTF-7
+// ----------------------------------------------------------------------------
#if 0
static char utf7_setD[]="ABCDEFGHIJKLMNOPQRSTUVWXYZ"
// UTF-8
// ----------------------------------------------------------------------------
-WXDLLIMPEXP_DATA_BASE(wxMBConvUTF8) wxConvUTF8;
-
static wxUint32 utf8_max[]=
{ 0x7f, 0x7ff, 0xffff, 0x1fffff, 0x3ffffff, 0x7fffffff, 0xffffffff };
return (size_t)-1;
}
#ifdef WC_UTF16
- size_t pa = encode_utf16(res, buf);
+ // cast is ok because wchar_t == wxUuint16 if WC_UTF16
+ size_t pa = encode_utf16(res, (wxUint16 *)buf);
if (pa == (size_t)-1)
return (size_t)-1;
if (buf)
{
wxUint32 cc;
#ifdef WC_UTF16
- size_t pa = decode_utf16(psz, cc);
+ // cast is ok for WC_UTF16
+ size_t pa = decode_utf16((const wxUint16 *)psz, cc);
psz += (pa == (size_t)-1) ? 1 : pa;
#else
cc=(*psz++) & 0x7fffffff;
// ----------------------------------------------------------------------------
#ifdef WORDS_BIGENDIAN
-#define wxMBConvUTF16straight wxMBConvUTF16BE
-#define wxMBConvUTF16swap wxMBConvUTF16LE
+ #define wxMBConvUTF16straight wxMBConvUTF16BE
+ #define wxMBConvUTF16swap wxMBConvUTF16LE
#else
-#define wxMBConvUTF16swap wxMBConvUTF16BE
-#define wxMBConvUTF16straight wxMBConvUTF16LE
+ #define wxMBConvUTF16swap wxMBConvUTF16BE
+ #define wxMBConvUTF16straight wxMBConvUTF16LE
#endif
-WXDLLIMPEXP_DATA_BASE(wxMBConvUTF16LE) wxConvUTF16LE;
-WXDLLIMPEXP_DATA_BASE(wxMBConvUTF16BE) wxConvUTF16BE;
-
-
-
-
-
#ifdef WC_UTF16
-
// copy 16bit MB to 16bit String
size_t wxMBConvUTF16straight::MB2WC(wchar_t *buf, const char *psz, size_t n) const
{
if (buf)
{
*(wxUint16*)buf = cc[0];
- buf += sizeof(wxUint16);
+ buf += sizeof(wxUint16);
if (pa > 1)
{
*(wxUint16*)buf = cc[1];
{
wxUint32 cc;
- size_t pa=decode_utf16(psz, cc);
+ // cast is ok for WC_UTF16
+ size_t pa = decode_utf16((const wxUint16 *)psz, cc);
if (pa == (size_t)-1)
return pa;
len += sizeof(wxUint32);
psz += pa;
}
- if (buf && len<=n-sizeof(wxUint32)) *(wxUint32*)buf=0;
+
+ if (buf && len<=n-sizeof(wxUint32))
+ *(wxUint32*)buf=0;
return len;
}
len += pa;
psz += sizeof(wxUint32);
}
- if (buf && len<n) *buf=0;
+
+ if (buf && len<n)
+ *buf=0;
return len;
}
{
char cc[4];
- size_t pa=decode_utf16(psz, *(wxUint32*)cc);
+ // cast is ok for WC_UTF16
+ size_t pa=decode_utf16((const wxUint16 *)psz, *(wxUint32*)cc);
if (pa == (size_t)-1)
return pa;
len += sizeof(wxUint32);
psz += pa;
}
- if (buf && len<=n-sizeof(wxUint32)) *(wxUint32*)buf=0;
+
+ if (buf && len<=n-sizeof(wxUint32))
+ *(wxUint32*)buf=0;
return len;
}
len++;
psz += sizeof(wxUint32);
}
- if (buf && len<n) *buf=0;
+
+ if (buf && len<n)
+ *buf=0;
return len;
}
psz++;
}
- if (buf && len<=n-sizeof(wxUint32)) *(wxUint32*)buf=0;
+ if (buf && len<=n-sizeof(wxUint32))
+ *(wxUint32*)buf=0;
return len;
}
len++;
psz += sizeof(wxUint32);
}
- if (buf && len<n) *buf=0;
+
+ if (buf && len<n)
+ *buf=0;
return len;
}
len += sizeof(wxUint32);
psz++;
}
- if (buf && len<=n-sizeof(wxUint32)) *(wxUint32*)buf=0;
+
+ if (buf && len<=n-sizeof(wxUint32))
+ *(wxUint32*)buf=0;
return len;
}
wxMBConv_iconv(const wxChar *name);
virtual ~wxMBConv_iconv();
- virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n);
- virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n);
+ 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;
bool IsOk() const
{ return (m2w != (iconv_t)-1) && (w2m != (iconv_t)-1); }
{
ms_wcCharsetName = NULL;
- // VS: we must not output an error here, since wxWindows will safely
+ // VS: we must not output an error here, since wxWidgets will safely
// fall back to using wxEncodingConverter.
wxLogTrace(wxT("strconv"), wxT("Impossible to convert to/from charset '%s' with iconv, falling back to wxEncodingConverter."), name);
//wxLogError(
iconv_close(w2m);
}
-size_t wxMBConv_iconv::MB2WC(wchar_t *buf, const char *psz, size_t n)
+size_t wxMBConv_iconv::MB2WC(wchar_t *buf, const char *psz, size_t n) const
{
size_t inbuf = strlen(psz);
size_t outbuf = n * SIZEOF_WCHAR_T;
return res;
}
-size_t wxMBConv_iconv::WC2MB(char *buf, const wchar_t *psz, size_t n)
+size_t wxMBConv_iconv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
{
size_t inbuf = wxWcslen(psz) * SIZEOF_WCHAR_T;
size_t outbuf = n;
#ifdef wxHAVE_WIN32_MB2WC
// from utils.cpp
+#if wxUSE_FONTMAP
extern WXDLLIMPEXP_BASE long wxCharsetToCodepage(const wxChar *charset);
extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding);
+#endif
class wxMBConv_win32 : public wxMBConv
{
public:
+ wxMBConv_win32()
+ {
+ m_CodePage = CP_ACP;
+ }
+
+#if wxUSE_FONTMAP
wxMBConv_win32(const wxChar* name)
- {
- m_CodePage = wxCharsetToCodepage(name);
- }
+ {
+ m_CodePage = wxCharsetToCodepage(name);
+ }
wxMBConv_win32(wxFontEncoding encoding)
- {
- m_CodePage = wxEncodingToCodepage(encoding);
- }
+ {
+ m_CodePage = wxEncodingToCodepage(encoding);
+ }
+#endif
- size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
+ size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const
{
+ // note that we have to use MB_ERR_INVALID_CHARS flag as it without it
+ // the behaviour is not compatible with the Unix version (using iconv)
+ // and break the library itself, e.g. wxTextInputStream::NextChar()
+ // wouldn't work if reading an incomplete MB char didn't result in an
+ // error
const size_t len = ::MultiByteToWideChar
(
m_CodePage, // code page
- 0, // flags (none)
+ MB_ERR_INVALID_CHARS, // flags: fall on error
psz, // input string
-1, // its length (NUL-terminated)
buf, // output string
buf ? n : 0 // size of output buffer
);
- // note that it returns # of written chars for buf != NULL and *size*
- // of the needed buffer for buf == NULL
- return len ? (buf ? len : len - 1) : (size_t)-1;
- }
+ // note that it returns count of written chars for buf != NULL and size
+ // of the needed buffer for buf == NULL so in either case the length of
+ // the string (which never includes the terminating NUL) is one less
+ return len ? len - 1 : (size_t)-1;
+ }
+
+ size_t WC2MB(char *buf, const wchar_t *pwz, size_t n) const
+ {
+ /*
+ we have a problem here: by default, WideCharToMultiByte() may
+ replace characters unrepresentable in the target code page with bad
+ quality approximations such as turning "1/2" symbol (U+00BD) into
+ "1" for the code pages which don't have it and we, obviously, want
+ to avoid this at any price
+
+ the trouble is that this function does it _silently_, i.e. it won't
+ even tell us whether it did or not... Win98/2000 and higher provide
+ WC_NO_BEST_FIT_CHARS but it doesn't work for the older systems and
+ we have to resort to a round trip, i.e. check that converting back
+ results in the same string -- this is, of course, expensive but
+ otherwise we simply can't be sure to not garble the data.
+ */
+
+ // determine if we can rely on WC_NO_BEST_FIT_CHARS: according to MSDN
+ // it doesn't work with CJK encodings (which we test for rather roughly
+ // here...) nor with UTF-7/8 nor, of course, with Windows versions not
+ // supporting it
+ BOOL usedDef wxDUMMY_INITIALIZE(false),
+ *pUsedDef;
+ int flags;
+ if ( CanUseNoBestFit() && m_CodePage < 50000 )
+ {
+ // it's our lucky day
+ flags = WC_NO_BEST_FIT_CHARS;
+ pUsedDef = &usedDef;
+ }
+ else // old system or unsupported encoding
+ {
+ flags = 0;
+ pUsedDef = NULL;
+ }
- size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
- {
const size_t len = ::WideCharToMultiByte
(
m_CodePage, // code page
- 0, // flags (none)
- psz, // input string
+ flags, // either none or no best fit
+ pwz, // input string
-1, // it is (wide) NUL-terminated
buf, // output buffer
buf ? n : 0, // and its size
NULL, // default "replacement" char
- NULL // [out] was it used?
+ pUsedDef // [out] was it used?
);
- // see the comment above!
- return len ? (buf ? len : len - 1) : (size_t)-1;
+ if ( !len )
+ {
+ // function totally failed
+ return (size_t)-1;
+ }
+
+ // if we were really converting, check if we succeeded
+ if ( buf )
+ {
+ if ( flags )
+ {
+ // check if the conversion failed, i.e. if any replacements
+ // were done
+ if ( usedDef )
+ return (size_t)-1;
+ }
+ else // we must resort to double tripping...
+ {
+ wxWCharBuffer wcBuf(n);
+ if ( MB2WC(wcBuf.data(), buf, n) == (size_t)-1 ||
+ wcscmp(wcBuf, pwz) != 0 )
+ {
+ // we didn't obtain the same thing we started from, hence
+ // the conversion was lossy and we consider that it failed
+ return (size_t)-1;
+ }
+ }
+ }
+
+ // see the comment above for the reason of "len - 1"
+ return len - 1;
}
- bool IsOk() const
- { return m_CodePage != -1; }
+ bool IsOk() const { return m_CodePage != -1; }
+
+private:
+ static bool CanUseNoBestFit()
+ {
+ static int s_isWin98Or2k = -1;
+
+ if ( s_isWin98Or2k == -1 )
+ {
+ int verMaj, verMin;
+ switch ( wxGetOsVersion(&verMaj, &verMin) )
+ {
+ case wxWIN95:
+ s_isWin98Or2k = verMaj >= 4 && verMin >= 10;
+ break;
+
+ case wxWINDOWS_NT:
+ s_isWin98Or2k = verMaj >= 5;
+ break;
+
+ default:
+ // unknown, be conseravtive by default
+ s_isWin98Or2k = 0;
+ }
+
+ wxASSERT_MSG( s_isWin98Or2k != -1, _T("should be set above") );
+ }
+
+ return s_isWin98Or2k == 1;
+ }
-public:
long m_CodePage;
};
#endif // wxHAVE_WIN32_MB2WC
+// ============================================================================
+// Mac conversion classes
+// ============================================================================
+
+#if defined(__WXMAC__) && defined(TARGET_CARBON)
+
+class wxMBConv_mac : public wxMBConv
+{
+public:
+ wxMBConv_mac()
+ {
+ Init(CFStringGetSystemEncoding()) ;
+ }
+
+ wxMBConv_mac(const wxChar* name)
+ {
+ Init( wxMacGetSystemEncFromFontEnc(wxFontMapper::Get()->CharsetToEncoding(name, false) ) ) ;
+ }
+
+ wxMBConv_mac(wxFontEncoding encoding)
+ {
+ Init( wxMacGetSystemEncFromFontEnc(encoding) );
+ }
+
+ ~wxMBConv_mac()
+ {
+ OSStatus status = noErr ;
+ status = TECDisposeConverter(m_MB2WC_converter);
+ status = TECDisposeConverter(m_WC2MB_converter);
+ }
+
+
+ void Init( TextEncodingBase encoding)
+ {
+ OSStatus status = noErr ;
+ m_char_encoding = encoding ;
+ m_unicode_encoding = CreateTextEncoding(kTextEncodingUnicodeDefault,0,kUnicode16BitFormat) ;
+
+ status = TECCreateConverter(&m_MB2WC_converter,
+ m_char_encoding,
+ m_unicode_encoding);
+ status = TECCreateConverter(&m_WC2MB_converter,
+ m_unicode_encoding,
+ m_char_encoding);
+ }
+
+ size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const
+ {
+ OSStatus status = noErr ;
+ ByteCount byteOutLen ;
+ ByteCount byteInLen = strlen(psz) ;
+ wchar_t *tbuf = NULL ;
+ UniChar* ubuf = NULL ;
+ size_t res = 0 ;
+
+ if (buf == NULL)
+ {
+ n = byteInLen ;
+ tbuf = (wchar_t*) malloc( n * SIZEOF_WCHAR_T) ;
+ }
+ ByteCount byteBufferLen = n * sizeof( UniChar ) ;
+#if SIZEOF_WCHAR_T == 4
+ ubuf = (UniChar*) malloc( byteBufferLen + 2 ) ;
+#else
+ ubuf = (UniChar*) (buf ? buf : tbuf) ;
+#endif
+ status = TECConvertText(m_MB2WC_converter, (ConstTextPtr) psz , byteInLen, &byteInLen,
+ (TextPtr) ubuf , byteBufferLen, &byteOutLen);
+#if SIZEOF_WCHAR_T == 4
+ // we have to terminate here, because n might be larger for the trailing zero, and if UniChar
+ // is not properly terminated we get random characters at the end
+ ubuf[byteOutLen / sizeof( UniChar ) ] = 0 ;
+ wxMBConvUTF16BE converter ;
+ res = converter.MB2WC( (buf ? buf : tbuf) , (const char*)ubuf , n ) ;
+ free( ubuf ) ;
+#else
+ res = byteOutLen / sizeof( UniChar ) ;
+#endif
+ if ( buf == NULL )
+ free(tbuf) ;
+
+ if ( buf && res < n)
+ buf[res] = 0;
+
+ return res ;
+ }
+
+ size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const
+ {
+ OSStatus status = noErr ;
+ ByteCount byteOutLen ;
+ ByteCount byteInLen = wxWcslen(psz) * SIZEOF_WCHAR_T ;
+
+ char *tbuf = NULL ;
+
+ if (buf == NULL)
+ {
+ // worst case
+ n = byteInLen * 2 ;
+ tbuf = (char*) malloc( n ) ;
+ }
+
+ ByteCount byteBufferLen = n ;
+ UniChar* ubuf = NULL ;
+#if SIZEOF_WCHAR_T == 4
+ wxMBConvUTF16BE converter ;
+ size_t unicharlen = converter.WC2MB( NULL , psz , 0 ) ;
+ byteInLen = unicharlen ;
+ ubuf = (UniChar*) malloc( byteInLen + 2 ) ;
+ converter.WC2MB( (char*) ubuf , psz, unicharlen + 2 ) ;
+#else
+ ubuf = (UniChar*) psz ;
+#endif
+ status = TECConvertText(m_WC2MB_converter, (ConstTextPtr) ubuf , byteInLen, &byteInLen,
+ (TextPtr) (buf ? buf : tbuf) , byteBufferLen, &byteOutLen);
+#if SIZEOF_WCHAR_T == 4
+ free( ubuf ) ;
+#endif
+ if ( buf == NULL )
+ free(tbuf) ;
+
+ size_t res = byteOutLen ;
+ if ( buf && res < n)
+ buf[res] = 0;
+
+ return res ;
+ }
+
+ bool IsOk() const
+ { return m_MB2WC_converter != NULL && m_WC2MB_converter != NULL ; }
+
+private:
+ TECObjectRef m_MB2WC_converter ;
+ TECObjectRef m_WC2MB_converter ;
+
+ TextEncodingBase m_char_encoding ;
+ TextEncodingBase m_unicode_encoding ;
+};
+
+#endif // defined(__WXMAC__) && defined(TARGET_CARBON)
// ============================================================================
// wxEncodingConverter based conversion classes
Init();
}
- size_t MB2WC(wchar_t *buf, const char *psz, size_t WXUNUSED(n))
+ size_t MB2WC(wchar_t *buf, const char *psz, size_t WXUNUSED(n)) const
{
size_t inbuf = strlen(psz);
if (buf)
return inbuf;
}
- size_t WC2MB(char *buf, const wchar_t *psz, size_t WXUNUSED(n))
+ size_t WC2MB(char *buf, const wchar_t *psz, size_t WXUNUSED(n)) const
{
const size_t inbuf = wxWcslen(psz);
if (buf)
m_deferred = true;
}
-// find a valid value for the encoding
-void wxCSConv::SetEncoding()
-{
-#if wxUSE_INTL
- m_encoding = wxLocale::GetSystemEncoding();
-#else
- m_encoding = wxFONTENCODING_SYSTEM;
-#endif
-}
-
wxCSConv::wxCSConv(const wxChar *charset)
{
Init();
if ( charset )
{
- // not used
- m_encoding = wxFONTENCODING_SYSTEM;
-
SetName(charset);
}
- else // no charset specified
- {
- SetEncoding();
- }
+
+ m_encoding = wxFONTENCODING_SYSTEM;
}
wxCSConv::wxCSConv(wxFontEncoding encoding)
{
- if ( encoding == wxFONTENCODING_MAX ||
- encoding == wxFONTENCODING_DEFAULT )
+ if ( encoding == wxFONTENCODING_MAX || encoding == wxFONTENCODING_DEFAULT )
{
wxFAIL_MSG( _T("invalid encoding value in wxCSConv ctor") );
Init();
- if ( encoding == wxFONTENCODING_SYSTEM )
- {
- SetEncoding();
- }
- else // have valid encoding, use it
- {
- m_encoding = encoding;
- }
+ m_encoding = encoding;
}
wxCSConv::~wxCSConv()
}
}
-static inline bool DoesntNeedConv(wxFontEncoding enc)
-{
- return enc == wxFONTENCODING_DEFAULT ||
- enc == wxFONTENCODING_SYSTEM ||
- enc == wxFONTENCODING_ISO8859_1;
-}
-
wxMBConv *wxCSConv::DoCreate() const
{
-#if wxUSE_FONTMAP
- wxFontMapper * const fontMapper = wxFontMapper::Get();
-
- wxFontEncoding encFromName = m_name ? fontMapper->CharsetToEncoding(m_name)
- : wxFONTENCODING_SYSTEM;
-#endif // wxUSE_FONTMAP
-
- // check for the special case of ASCII charset
- if ( (!m_name && DoesntNeedConv(m_encoding))
-#if wxUSE_FONTMAP
- || (m_name && DoesntNeedConv(encFromName))
-#endif // wxUSE_FONTMAP
- )
+ // check for the special case of ASCII or ISO8859-1 charset: as we have
+ // special knowledge of it anyhow, we don't need to create a special
+ // conversion object
+ if ( m_encoding == wxFONTENCODING_ISO8859_1 )
{
// don't convert at all
return NULL;
// step (1)
#ifdef HAVE_ICONV
+#if !wxUSE_FONTMAP
if ( m_name )
+#endif // !wxUSE_FONTMAP
{
- wxMBConv_iconv *conv = new wxMBConv_iconv(m_name);
+ wxString name(m_name);
+
+#if wxUSE_FONTMAP
+ if ( name.empty() )
+ name = wxFontMapper::Get()->GetEncodingName(m_encoding);
+#endif // wxUSE_FONTMAP
+
+ wxMBConv_iconv *conv = new wxMBConv_iconv(name);
if ( conv->IsOk() )
return conv;
#ifdef wxHAVE_WIN32_MB2WC
{
+#if wxUSE_FONTMAP
wxMBConv_win32 *conv = m_name ? new wxMBConv_win32(m_name)
: new wxMBConv_win32(m_encoding);
if ( conv->IsOk() )
return conv;
delete conv;
+#else
+ return NULL;
+#endif
}
#endif // wxHAVE_WIN32_MB2WC
+#if defined(__WXMAC__)
+ {
+ if ( m_name || ( m_encoding < wxFONTENCODING_UTF16BE ) )
+ {
+ wxMBConv_mac *conv = m_name ? new wxMBConv_mac(m_name)
+ : new wxMBConv_mac(m_encoding);
+ if ( conv->IsOk() )
+ return conv;
+
+ delete conv;
+ }
+ }
+#endif
// step (2)
wxFontEncoding enc = m_encoding;
#if wxUSE_FONTMAP
- if ( enc == wxFONTENCODING_SYSTEM )
- enc = encFromName;
+ if ( enc == wxFONTENCODING_SYSTEM && m_name )
+ {
+ // use "false" to suppress interactive dialogs -- we can be called from
+ // anywhere and popping up a dialog from here is the last thing we want to
+ // do
+ enc = wxFontMapper::Get()->CharsetToEncoding(m_name, false);
+ }
#endif // wxUSE_FONTMAP
switch ( enc )
case wxFONTENCODING_UTF8:
return new wxMBConvUTF8;
- case wxFONTENCODING_UTF16:
- return new wxMBConvUTF16;
-
case wxFONTENCODING_UTF16BE:
return new wxMBConvUTF16BE;
case wxFONTENCODING_UTF16LE:
return new wxMBConvUTF16LE;
- case wxFONTENCODING_UTF32:
- return new wxMBConvUTF32;
-
case wxFONTENCODING_UTF32BE:
return new wxMBConvUTF32BE;
}
#endif // wxUSE_FONTMAP
- wxLogError(_("Cannot convert from the charset '%s'!"),
- m_name ? m_name
+ // NB: This is a hack to prevent deadlock. What could otherwise happen
+ // in Unicode build: wxConvLocal creation ends up being here
+ // because of some failure and logs the error. But wxLog will try to
+ // attach timestamp, for which it will need wxConvLocal (to convert
+ // time to char* and then wchar_t*), but that fails, tries to log
+ // error, but wxLog has a (already locked) critical section that
+ // guards static buffer.
+ static bool alreadyLoggingError = false;
+ if (!alreadyLoggingError)
+ {
+ alreadyLoggingError = true;
+ wxLogError(_("Cannot convert from the charset '%s'!"),
+ m_name ? m_name
:
#if wxUSE_FONTMAP
wxFontMapper::GetEncodingDescription(m_encoding).c_str()
wxString::Format(_("encoding %s"), m_encoding).c_str()
#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
);
+ alreadyLoggingError = false;
+ }
return NULL;
}
if ( m_deferred )
{
wxCSConv *self = (wxCSConv *)this; // const_cast
+
+#if wxUSE_INTL
+ // if we don't have neither the name nor the encoding, use the default
+ // encoding for this system
+ if ( !m_name && m_encoding == wxFONTENCODING_SYSTEM )
+ {
+ self->m_name = wxStrdup(wxLocale::GetSystemEncodingName());
+ }
+#endif // wxUSE_INTL
+
self->m_convReal = DoCreate();
self->m_deferred = false;
}
if (buf)
{
for (size_t c = 0; c <= len; c++)
- buf[c] = (psz[c] > 0xff) ? '?' : psz[c];
+ {
+ if (psz[c] > 0xFF)
+ return (size_t)-1;
+ buf[c] = psz[c];
+ }
+ }
+ else
+ {
+ for (size_t c = 0; c <= len; c++)
+ {
+ if (psz[c] > 0xFF)
+ return (size_t)-1;
+ }
}
return len;
}
-#endif // wxUSE_WCHAR_T
+// ----------------------------------------------------------------------------
+// globals
+// ----------------------------------------------------------------------------
+
+#ifdef __WINDOWS__
+ static wxMBConv_win32 wxConvLibcObj;
+#elif defined(__WXMAC__) && !defined(__MACH__)
+ static wxMBConv_mac wxConvLibcObj ;
+#else
+ static wxMBConvLibc wxConvLibcObj;
+#endif
+
+static wxCSConv wxConvLocalObj(wxFONTENCODING_SYSTEM);
+static wxCSConv wxConvISO8859_1Obj(wxFONTENCODING_ISO8859_1);
+static wxMBConvUTF7 wxConvUTF7Obj;
+static wxMBConvUTF8 wxConvUTF8Obj;
+
+
+WXDLLIMPEXP_DATA_BASE(wxMBConv&) wxConvLibc = wxConvLibcObj;
+WXDLLIMPEXP_DATA_BASE(wxCSConv&) wxConvLocal = wxConvLocalObj;
+WXDLLIMPEXP_DATA_BASE(wxCSConv&) wxConvISO8859_1 = wxConvISO8859_1Obj;
+WXDLLIMPEXP_DATA_BASE(wxMBConvUTF7&) wxConvUTF7 = wxConvUTF7Obj;
+WXDLLIMPEXP_DATA_BASE(wxMBConvUTF8&) wxConvUTF8 = wxConvUTF8Obj;
+WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvCurrent = &wxConvLibcObj;
+
+#else // !wxUSE_WCHAR_T
+
+// stand-ins in absence of wchar_t
+WXDLLIMPEXP_DATA_BASE(wxMBConv) wxConvLibc,
+ wxConvISO8859_1,
+ wxConvLocal,
+ wxConvUTF8;
+
+#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T
projects / wxWidgets.git / blobdiff