#if wxUSE_WCHAR_T
-#ifdef __WXMSW__
- #include "wx/msw/private.h"
-#endif
-
#ifdef __WINDOWS__
+ #include "wx/msw/private.h"
#include "wx/msw/missing.h"
#endif
#include "wx/utils.h"
#ifdef __WXMAC__
+#ifndef __DARWIN__
#include <ATSUnicode.h>
#include <TextCommon.h>
#include <TextEncodingConverter.h>
+#endif
#include "wx/mac/private.h" // includes mac headers
#endif
+
+#define TRACE_STRCONV _T("strconv")
+
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
output = *input;
return 1;
}
- else if ((input[1]<0xdc00) || (input[1]>=0xdfff))
+ else if ((input[1]<0xdc00) || (input[1]>0xdfff))
{
output = *input;
return (size_t)-1;
}
//Increment to next (sub)string
- //Note that we have to use strlen here instead of nLen
- //here because XX2XX gives us the size of the output buffer,
- //not neccessarly the length of the string
+ //Note that we have to use strlen instead of nLen here
+ //because XX2XX gives us the size of the output buffer,
+ //which is not necessarily the length of the string
szPos += strlen(szPos) + 1;
}
//success - return actual length and the buffer
*pOutSize = nActualLength;
- return theBuffer;
+ return theBuffer;
}
const wxCharBuffer wxMBConv::cWC2MB(const wchar_t *szString, size_t nStringLen, size_t* pOutSize) const
//Increase the actual length (+1 for current null character)
nActualLength += nLen + 1;
-
+
//if buffer too big, realloc the buffer
if (nActualLength > (nCurrentSize+1))
{
}
//Increment to next (sub)string
- //Note that we have to use wxWcslen here instead of nLen
- //here because XX2XX gives us the size of the output buffer,
- //not neccessarly the length of the string
+ //Note that we have to use wxWcslen instead of nLen here
+ //because XX2XX gives us the size of the output buffer,
+ //which is not necessarily the length of the string
szPos += wxWcslen(szPos) + 1;
}
//success - return actual length and the buffer
*pOutSize = nActualLength;
- return theBuffer;
+ return theBuffer;
}
// ----------------------------------------------------------------------------
{
return wxWC2MB(buf, psz, n);
}
+
+#ifdef __UNIX__
+
+// ----------------------------------------------------------------------------
+// wxConvBrokenFileNames
+// ----------------------------------------------------------------------------
+
+wxConvBrokenFileNames::wxConvBrokenFileNames(const wxChar *charset)
+{
+ if ( !charset || wxStricmp(charset, _T("UTF-8")) == 0
+ || wxStricmp(charset, _T("UTF8")) == 0 )
+ m_conv = new wxMBConvUTF8(wxMBConvUTF8::MAP_INVALID_UTF8_TO_OCTAL);
+ else
+ m_conv = new wxCSConv(charset);
+}
+
+size_t
+wxConvBrokenFileNames::MB2WC(wchar_t *outputBuf,
+ const char *psz,
+ size_t outputSize) const
+{
+ return m_conv->MB2WC( outputBuf, psz, outputSize );
+}
+
+size_t
+wxConvBrokenFileNames::WC2MB(char *outputBuf,
+ const wchar_t *psz,
+ size_t outputSize) const
+{
+ return m_conv->WC2MB( outputBuf, psz, outputSize );
+}
+
+#endif
+
// ----------------------------------------------------------------------------
-// UTF-7
+// UTF-7
// ----------------------------------------------------------------------------
// Implementation (C) 2004 Fredrik Roubert
}
#ifndef WC_UTF16
else if (((wxUint32)cc) > 0xffff)
- {
+ {
// no surrogate pair generation (yet?)
return (size_t)-1;
}
static wxUint32 utf8_max[]=
{ 0x7f, 0x7ff, 0xffff, 0x1fffff, 0x3ffffff, 0x7fffffff, 0xffffffff };
+// boundaries of the private use area we use to (temporarily) remap invalid
+// characters invalid in a UTF-8 encoded string
+const wxUint32 wxUnicodePUA = 0x100000;
+const wxUint32 wxUnicodePUAEnd = wxUnicodePUA + 256;
+
size_t wxMBConvUTF8::MB2WC(wchar_t *buf, const char *psz, size_t n) const
{
size_t len = 0;
while (*psz && ((!buf) || (len < n)))
{
+ const char *opsz = psz;
+ bool invalid = false;
unsigned char cc = *psz++, fc = cc;
unsigned cnt;
for (cnt = 0; fc & 0x80; cnt++)
if (buf)
*buf++ = cc;
len++;
+
+ // escape the escape character for octal escapes
+ if ((m_options & MAP_INVALID_UTF8_TO_OCTAL)
+ && cc == '\\' && (!buf || len < n))
+ {
+ if (buf)
+ *buf++ = cc;
+ len++;
+ }
}
else
{
if (!cnt)
{
// invalid UTF-8 sequence
- return (size_t)-1;
+ invalid = true;
}
else
{
wxUint32 res = cc & (0x3f >> cnt);
while (cnt--)
{
- cc = *psz++;
+ cc = *psz;
if ((cc & 0xC0) != 0x80)
{
// invalid UTF-8 sequence
- return (size_t)-1;
+ invalid = true;
+ break;
}
+ psz++;
res = (res << 6) | (cc & 0x3f);
}
- if (res <= utf8_max[ocnt])
+ if (invalid || res <= utf8_max[ocnt])
{
// illegal UTF-8 encoding
- return (size_t)-1;
+ invalid = true;
+ }
+ else if ((m_options & MAP_INVALID_UTF8_TO_PUA) &&
+ res >= wxUnicodePUA && res < wxUnicodePUAEnd)
+ {
+ // if one of our PUA characters turns up externally
+ // it must also be treated as an illegal sequence
+ // (a bit like you have to escape an escape character)
+ invalid = true;
}
+ else
+ {
#ifdef WC_UTF16
- // 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)
- buf += pa;
- len += pa;
+ // cast is ok because wchar_t == wxUuint16 if WC_UTF16
+ size_t pa = encode_utf16(res, (wxUint16 *)buf);
+ if (pa == (size_t)-1)
+ {
+ invalid = true;
+ }
+ else
+ {
+ if (buf)
+ buf += pa;
+ len += pa;
+ }
#else // !WC_UTF16
- if (buf)
- *buf++ = res;
- len++;
+ if (buf)
+ *buf++ = res;
+ len++;
#endif // WC_UTF16/!WC_UTF16
+ }
+ }
+ if (invalid)
+ {
+ if (m_options & MAP_INVALID_UTF8_TO_PUA)
+ {
+ while (opsz < psz && (!buf || len < n))
+ {
+#ifdef WC_UTF16
+ // cast is ok because wchar_t == wxUuint16 if WC_UTF16
+ size_t pa = encode_utf16((unsigned char)*opsz + wxUnicodePUA, (wxUint16 *)buf);
+ wxASSERT(pa != (size_t)-1);
+ if (buf)
+ buf += pa;
+ opsz++;
+ len += pa;
+#else
+ if (buf)
+ *buf++ = wxUnicodePUA + (unsigned char)*opsz;
+ opsz++;
+ len++;
+#endif
+ }
+ }
+ else if (m_options & MAP_INVALID_UTF8_TO_OCTAL)
+ {
+ while (opsz < psz && (!buf || len < n))
+ {
+ if ( buf && len + 3 < n )
+ {
+ unsigned char n = *opsz;
+ *buf++ = L'\\';
+ *buf++ = (wchar_t)( L'0' + n / 0100 );
+ *buf++ = (wchar_t)( L'0' + (n % 0100) / 010 );
+ *buf++ = (wchar_t)( L'0' + n % 010 );
+ }
+ opsz++;
+ len += 4;
+ }
+ }
+ else // MAP_INVALID_UTF8_NOT
+ {
+ return (size_t)-1;
+ }
}
}
}
return len;
}
+static inline bool isoctal(wchar_t wch)
+{
+ return L'0' <= wch && wch <= L'7';
+}
+
size_t wxMBConvUTF8::WC2MB(char *buf, const wchar_t *psz, size_t n) const
{
size_t len = 0;
#else
cc=(*psz++) & 0x7fffffff;
#endif
- unsigned cnt;
- for (cnt = 0; cc > utf8_max[cnt]; cnt++) {}
- if (!cnt)
+
+ if ( (m_options & MAP_INVALID_UTF8_TO_PUA)
+ && cc >= wxUnicodePUA && cc < wxUnicodePUAEnd )
{
- // plain ASCII char
if (buf)
- *buf++ = (char) cc;
+ *buf++ = (char)(cc - wxUnicodePUA);
len++;
}
+ else if ( (m_options & MAP_INVALID_UTF8_TO_OCTAL)
+ && cc == L'\\' && psz[0] == L'\\' )
+ {
+ if (buf)
+ *buf++ = (char)cc;
+ psz++;
+ len++;
+ }
+ else if ( (m_options & MAP_INVALID_UTF8_TO_OCTAL) &&
+ cc == L'\\' &&
+ isoctal(psz[0]) && isoctal(psz[1]) && isoctal(psz[2]) )
+ {
+ if (buf)
+ {
+ *buf++ = (char) ((psz[0] - L'0')*0100 +
+ (psz[1] - L'0')*010 +
+ (psz[2] - L'0'));
+ }
+ psz += 3;
+ len++;
+ }
else
{
- len += cnt + 1;
- if (buf)
+ unsigned cnt;
+ for (cnt = 0; cc > utf8_max[cnt]; cnt++) {}
+ if (!cnt)
{
- *buf++ = (char) ((-128 >> cnt) | ((cc >> (cnt * 6)) & (0x3f >> cnt)));
- while (cnt--)
- *buf++ = (char) (0x80 | ((cc >> (cnt * 6)) & 0x3f));
+ // plain ASCII char
+ if (buf)
+ *buf++ = (char) cc;
+ len++;
+ }
+
+ else
+ {
+ len += cnt + 1;
+ if (buf)
+ {
+ *buf++ = (char) ((-128 >> cnt) | ((cc >> (cnt * 6)) & (0x3f >> cnt)));
+ while (cnt--)
+ *buf++ = (char) (0x80 | ((cc >> (cnt * 6)) & 0x3f));
+ }
}
}
}
- if (buf && (len<n)) *buf = 0;
+ if (buf && (len<n))
+ *buf = 0;
return len;
}
-
-
-
// ----------------------------------------------------------------------------
// UTF-16
// ----------------------------------------------------------------------------
static bool ms_wcNeedsSwap;
};
+// make the constructor available for unit testing
+WXDLLIMPEXP_BASE wxMBConv* new_wxMBConv_iconv( const wxChar* name )
+{
+ wxMBConv_iconv* result = new wxMBConv_iconv( name );
+ if ( !result->IsOk() )
+ {
+ delete result;
+ return 0;
+ }
+ return result;
+}
+
const char *wxMBConv_iconv::ms_wcCharsetName = NULL;
bool wxMBConv_iconv::ms_wcNeedsSwap = false;
wxMBConv_iconv::wxMBConv_iconv(const wxChar *name)
{
- // Do it the hard way
- char cname[100];
- for (size_t i = 0; i < wxStrlen(name)+1; i++)
- cname[i] = (char) name[i];
+ // iconv operates with chars, not wxChars, but luckily it uses only ASCII
+ // names for the charsets
+ const wxCharBuffer cname(wxString(name).ToAscii());
// check for charset that represents wchar_t:
if (ms_wcCharsetName == NULL)
// 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(
+ wxLogTrace(TRACE_STRCONV, wxT("Impossible to convert to/from charset '%s' with iconv, falling back to wxEncodingConverter."), name);
}
}
- wxLogTrace(wxT("strconv"), wxT("wchar_t charset is '%s', needs swap: %i"), ms_wcCharsetName, ms_wcNeedsSwap);
+ wxLogTrace(TRACE_STRCONV,
+ wxT("wchar_t charset is '%s', needs swap: %i"),
+ ms_wcCharsetName ? ms_wcCharsetName : "<none>", ms_wcNeedsSwap);
}
else // we already have ms_wcCharsetName
{
// as MB<->WC conversion would fail "randomly".
wxMutexLocker lock(wxConstCast(this, wxMBConv_iconv)->m_iconvMutex);
#endif
-
+
size_t inbuf = strlen(psz);
size_t outbuf = n * SIZEOF_WCHAR_T;
size_t res, cres;
if (ICONV_FAILED(cres, inbuf))
{
//VS: it is ok if iconv fails, hence trace only
- wxLogTrace(wxT("strconv"), wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
+ wxLogTrace(TRACE_STRCONV, wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
return (size_t)-1;
}
// NB: explained in MB2WC
wxMutexLocker lock(wxConstCast(this, wxMBConv_iconv)->m_iconvMutex);
#endif
-
+
size_t inbuf = wxWcslen(psz) * SIZEOF_WCHAR_T;
size_t outbuf = n;
size_t res, cres;
if (ICONV_FAILED(cres, inbuf))
{
//VS: it is ok if iconv fails, hence trace only
- wxLogTrace(wxT("strconv"), wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
+ wxLogTrace(TRACE_STRCONV, wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
return (size_t)-1;
}
#if wxUSE_FONTMAP
wxMBConv_cocoa(const wxChar* name)
{
- Init( wxCFStringEncFromFontEnc(wxFontMapper::Get()->CharsetToEncoding(name, false) ) ) ;
+ Init( wxCFStringEncFromFontEnc(wxFontMapperBase::Get()->CharsetToEncoding(name, false) ) ) ;
}
#endif
#if SIZEOF_WCHAR_T == 4
UniChar* szUniCharBuffer = new UniChar[nOutSize];
#endif
-
+
CFStringGetCharacters(theString, theRange, szUniCharBuffer);
-
+
CFRelease(theString);
szUniCharBuffer[nOutLength] = '\0' ;
converter.MB2WC(szOut, (const char*)szUniCharBuffer , nOutSize ) ;
delete[] szUniCharBuffer;
#endif
-
+
return nOutLength;
}
size_t WC2MB(char *szOut, const wchar_t *szUnConv, size_t nOutSize) const
{
wxASSERT(szUnConv);
-
+
size_t nRealOutSize;
size_t nBufSize = wxWcslen(szUnConv);
UniChar* szUniBuffer = (UniChar*) szUnConv;
#if SIZEOF_WCHAR_T == 4
- wxMBConvUTF16BE converter ;
+ wxMBConvUTF16 converter ;
nBufSize = converter.WC2MB( NULL , szUnConv , 0 );
szUniBuffer = new UniChar[ (nBufSize / sizeof(UniChar)) + 1] ;
converter.WC2MB( (char*) szUniBuffer , szUnConv, nBufSize + sizeof(UniChar)) ;
{
if (szOut != NULL)
CFStringGetCharacters(theString, CFRangeMake(0, nOutSize - 1), (UniChar*) szOut);
-
+
nRealOutSize = CFStringGetLength(theString) + 1;
}
else
//0 tells CFString to return NULL if it meets such a character
false, //not an external representation
(UInt8*) szOut,
- nOutSize,
+ nOutSize,
(CFIndex*) &nRealOutSize
);
}
bool IsOk() const
{
- return m_encoding != kCFStringEncodingInvalidId &&
+ return m_encoding != kCFStringEncodingInvalidId &&
CFStringIsEncodingAvailable(m_encoding);
}
#if wxUSE_FONTMAP
wxMBConv_mac(const wxChar* name)
{
- Init( wxMacGetSystemEncFromFontEnc(wxFontMapper::Get()->CharsetToEncoding(name, false) ) ) ;
+ Init( wxMacGetSystemEncFromFontEnc(wxFontMapperBase::Get()->CharsetToEncoding(name, false) ) ) ;
}
#endif
// 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 ;
+ wxMBConvUTF16 converter ;
res = converter.MB2WC( (buf ? buf : tbuf) , (const char*)ubuf , n ) ;
free( ubuf ) ;
#else
ByteCount byteBufferLen = n ;
UniChar* ubuf = NULL ;
#if SIZEOF_WCHAR_T == 4
- wxMBConvUTF16BE converter ;
+ wxMBConvUTF16 converter ;
size_t unicharlen = converter.WC2MB( NULL , psz , 0 ) ;
byteInLen = unicharlen ;
ubuf = (UniChar*) malloc( byteInLen + 2 ) ;
if ( buf && res < n)
{
buf[res] = 0;
-
+
//we need to double-trip to verify it didn't insert any ? in place
//of bogus characters
wxWCharBuffer wcBuf(n);
wxMBConv_wxwin(const wxChar* name)
{
if (name)
- m_enc = wxFontMapper::Get()->CharsetToEncoding(name, false);
+ m_enc = wxFontMapperBase::Get()->CharsetToEncoding(name, false);
else
m_enc = wxFONTENCODING_SYSTEM;
DECLARE_NO_COPY_CLASS(wxMBConv_wxwin)
};
+// make the constructors available for unit testing
+WXDLLIMPEXP_BASE wxMBConv* new_wxMBConv_wxwin( const wxChar* name )
+{
+ wxMBConv_wxwin* result = new wxMBConv_wxwin( name );
+ if ( !result->IsOk() )
+ {
+ delete result;
+ return 0;
+ }
+ return result;
+}
+
#endif // wxUSE_FONTMAP
// ============================================================================
}
}
+#if wxUSE_FONTMAP
+#include "wx/hashmap.h"
+
+WX_DECLARE_HASH_MAP( wxFontEncoding, wxString, wxIntegerHash, wxIntegerEqual,
+ wxEncodingNameCache );
+
+static wxEncodingNameCache gs_nameCache;
+#endif
+
wxMBConv *wxCSConv::DoCreate() const
{
+#if wxUSE_FONTMAP
+ wxLogTrace(TRACE_STRCONV,
+ wxT("creating conversion for %s"),
+ (m_name ? m_name
+ : wxFontMapperBase::GetEncodingName(m_encoding).c_str()));
+#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
#endif // !wxUSE_FONTMAP
{
wxString name(m_name);
+ wxFontEncoding encoding(m_encoding);
+
+ if ( !name.empty() )
+ {
+ wxMBConv_iconv *conv = new wxMBConv_iconv(name);
+ if ( conv->IsOk() )
+ return conv;
+
+ delete conv;
#if wxUSE_FONTMAP
- if ( name.empty() )
- name = wxFontMapper::Get()->GetEncodingName(m_encoding);
+ encoding =
+ wxFontMapperBase::Get()->CharsetToEncoding(name, false);
#endif // wxUSE_FONTMAP
+ }
+#if wxUSE_FONTMAP
+ {
+ const wxEncodingNameCache::iterator it = gs_nameCache.find(encoding);
+ if ( it != gs_nameCache.end() )
+ {
+ if ( it->second.empty() )
+ return NULL;
- wxMBConv_iconv *conv = new wxMBConv_iconv(name);
- if ( conv->IsOk() )
- return conv;
+ wxMBConv_iconv *conv = new wxMBConv_iconv(it->second);
+ if ( conv->IsOk() )
+ return conv;
- delete conv;
+ delete conv;
+ }
+
+ const wxChar** names = wxFontMapperBase::GetAllEncodingNames(encoding);
+
+ for ( ; *names; ++names )
+ {
+ wxMBConv_iconv *conv = new wxMBConv_iconv(*names);
+ if ( conv->IsOk() )
+ {
+ gs_nameCache[encoding] = *names;
+ return conv;
+ }
+
+ delete conv;
+ }
+
+ gs_nameCache[encoding] = _T(""); // cache the failure
+ }
+#endif // wxUSE_FONTMAP
}
#endif // HAVE_ICONV
#if defined(__WXMAC__)
{
// leave UTF16 and UTF32 to the built-ins of wx
- if ( m_name || ( m_encoding < wxFONTENCODING_UTF16BE ||
+ if ( m_name || ( m_encoding < wxFONTENCODING_UTF16BE ||
( m_encoding >= wxFONTENCODING_MACMIN && m_encoding <= wxFONTENCODING_MACMAX ) ) )
{
// 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);
+ enc = wxFontMapperBase::Get()->CharsetToEncoding(m_name, false);
}
#endif // wxUSE_FONTMAP
m_name ? m_name
:
#if wxUSE_FONTMAP
- wxFontMapper::GetEncodingDescription(m_encoding).c_str()
+ wxFontMapperBase::GetEncodingDescription(m_encoding).c_str()
#else // !wxUSE_FONTMAP
wxString::Format(_("encoding %s"), m_encoding).c_str()
#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvCurrent = &wxConvLibcObj;
WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvFileName = &
#ifdef __WXOSX__
- wxConvUTF8Obj;
+ wxConvUTF8Obj;
#else
- wxConvLibcObj;
+ wxConvLibcObj;
#endif
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