// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif //__BORLANDC__
+
#ifndef WX_PRECOMP
#include "wx/intl.h"
#include "wx/log.h"
#define wxHAVE_WIN32_MB2WC
#endif
-#ifdef __SALFORDC__
- #include <clib.h>
-#endif
-
#ifdef HAVE_ICONV
#include <iconv.h>
#include "wx/thread.h"
#include "wx/encconv.h"
#include "wx/fontmap.h"
-#ifdef __WXMAC__
-#ifndef __DARWIN__
-#include <ATSUnicode.h>
-#include <TextCommon.h>
-#include <TextEncodingConverter.h>
-#endif
-
-// includes Mac headers
-#include "wx/mac/private.h"
-#endif
+#ifdef __DARWIN__
+#include "wx/mac/corefoundation/private/strconv_cf.h"
+#endif //def __DARWIN__
#define TRACE_STRCONV _T("strconv")
if ( psz )
{
// calculate the length of the buffer needed first
- const size_t nLen = MB2WC(NULL, psz, 0);
+ const size_t nLen = ToWChar(NULL, 0, psz);
if ( nLen != wxCONV_FAILED )
{
// now do the actual conversion
- wxWCharBuffer buf(nLen /* +1 added implicitly */);
+ wxWCharBuffer buf(nLen - 1 /* +1 added implicitly */);
// +1 for the trailing NULL
- if ( MB2WC(buf.data(), psz, nLen + 1) != wxCONV_FAILED )
+ if ( ToWChar(buf.data(), nLen, psz) != wxCONV_FAILED )
return buf;
}
}
{
if ( pwz )
{
- const size_t nLen = WC2MB(NULL, pwz, 0);
+ const size_t nLen = FromWChar(NULL, 0, pwz);
if ( nLen != wxCONV_FAILED )
{
- // extra space for trailing NUL(s)
- static const size_t extraLen = GetMaxMBNulLen();
-
- wxCharBuffer buf(nLen + extraLen - 1);
- if ( WC2MB(buf.data(), pwz, nLen + extraLen) != wxCONV_FAILED )
+ wxCharBuffer buf(nLen - 1);
+ if ( FromWChar(buf.data(), nLen, pwz) != wxCONV_FAILED )
return buf;
}
}
const size_t dstLen = ToWChar(NULL, 0, inBuff, inLen);
if ( dstLen != wxCONV_FAILED )
{
- wxWCharBuffer wbuf(dstLen - 1);
+ // notice that we allocate space for dstLen+1 wide characters here
+ // because we want the buffer to always be NUL-terminated, even if the
+ // input isn't (as otherwise the caller has no way to know its length)
+ wxWCharBuffer wbuf(dstLen);
+ wbuf.data()[dstLen - 1] = L'\0';
if ( ToWChar(wbuf.data(), dstLen, inBuff, inLen) != wxCONV_FAILED )
{
if ( outLen )
size_t dstLen = FromWChar(NULL, 0, inBuff, inLen);
if ( dstLen != wxCONV_FAILED )
{
- // special case of empty input: can't allocate 0 size buffer below as
- // wxCharBuffer insists on NUL-terminating it
- wxCharBuffer buf(dstLen ? dstLen - 1 : 1);
+ const size_t nulLen = GetMBNulLen();
+
+ // as above, ensure that the buffer is always NUL-terminated, even if
+ // the input is not
+ wxCharBuffer buf(dstLen + nulLen - 1);
+ memset(buf.data() + dstLen, 0, nulLen);
if ( FromWChar(buf.data(), dstLen, inBuff, inLen) != wxCONV_FAILED )
{
if ( outLen )
{
*outLen = dstLen;
- const size_t nulLen = GetMBNulLen();
if ( dstLen >= nulLen &&
!NotAllNULs(buf.data() + dstLen - nulLen, nulLen) )
{
#ifdef __UNIX__
-wxConvBrokenFileNames::wxConvBrokenFileNames(const wxChar *charset)
+wxConvBrokenFileNames::wxConvBrokenFileNames(const wxString& charset)
{
- if ( !charset || wxStricmp(charset, _T("UTF-8")) == 0
- || wxStricmp(charset, _T("UTF8")) == 0 )
- m_conv = new wxMBConvUTF8(wxMBConvUTF8::MAP_INVALID_UTF8_TO_OCTAL);
+ if ( wxStricmp(charset, _T("UTF-8")) == 0 ||
+ wxStricmp(charset, _T("UTF8")) == 0 )
+ m_conv = new wxMBConvUTF8(wxMBConvUTF8::MAP_INVALID_UTF8_TO_PUA);
else
m_conv = new wxCSConv(charset);
}
// UTF-8
// ----------------------------------------------------------------------------
-static wxUint32 utf8_max[]=
+static const wxUint32 utf8_max[]=
{ 0x7f, 0x7ff, 0xffff, 0x1fffff, 0x3ffffff, 0x7fffffff, 0xffffffff };
// boundaries of the private use area we use to (temporarily) remap invalid
const wxUint32 wxUnicodePUA = 0x100000;
const wxUint32 wxUnicodePUAEnd = wxUnicodePUA + 256;
-size_t wxMBConvUTF8::MB2WC(wchar_t *buf, const char *psz, size_t n) const
+// this table gives the length of the UTF-8 encoding from its first character:
+const unsigned char tableUtf8Lengths[256] = {
+ // single-byte sequences (ASCII):
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 00..0F
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 10..1F
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 20..2F
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 30..3F
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 40..4F
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 50..5F
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 60..6F
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, // 70..7F
+
+ // these are invalid:
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80..8F
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 90..9F
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // A0..AF
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // B0..BF
+ 0, 0, // C0,C1
+
+ // two-byte sequences:
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // C2..CF
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, // D0..DF
+
+ // three-byte sequences:
+ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, // E0..EF
+
+ // four-byte sequences:
+ 4, 4, 4, 4, 4, // F0..F4
+
+ // these are invalid again (5- or 6-byte
+ // sequences and sequences for code points
+ // above U+10FFFF, as restricted by RFC 3629):
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // F5..FF
+};
+
+size_t
+wxMBConvStrictUTF8::ToWChar(wchar_t *dst, size_t dstLen,
+ const char *src, size_t srcLen) const
+{
+ wchar_t *out = dstLen ? dst : NULL;
+ size_t written = 0;
+
+ if ( srcLen == wxNO_LEN )
+ srcLen = strlen(src) + 1;
+
+ for ( const char *p = src; ; p++ )
+ {
+ if ( !(srcLen == wxNO_LEN ? *p : srcLen) )
+ {
+ // all done successfully, just add the trailing NULL if we are not
+ // using explicit length
+ if ( srcLen == wxNO_LEN )
+ {
+ if ( out )
+ {
+ if ( !dstLen )
+ break;
+
+ *out = L'\0';
+ }
+
+ written++;
+ }
+
+ return written;
+ }
+
+ if ( out && !dstLen-- )
+ break;
+
+ wxUint32 code;
+ unsigned char c = *p;
+
+ if ( c < 0x80 )
+ {
+ if ( srcLen == 0 ) // the test works for wxNO_LEN too
+ break;
+
+ if ( srcLen != wxNO_LEN )
+ srcLen--;
+
+ code = c;
+ }
+ else
+ {
+ unsigned len = tableUtf8Lengths[c];
+ if ( !len )
+ break;
+
+ if ( srcLen < len ) // the test works for wxNO_LEN too
+ break;
+
+ if ( srcLen != wxNO_LEN )
+ srcLen -= len;
+
+ // Char. number range | UTF-8 octet sequence
+ // (hexadecimal) | (binary)
+ // ----------------------+----------------------------------------
+ // 0000 0000 - 0000 007F | 0xxxxxxx
+ // 0000 0080 - 0000 07FF | 110xxxxx 10xxxxxx
+ // 0000 0800 - 0000 FFFF | 1110xxxx 10xxxxxx 10xxxxxx
+ // 0001 0000 - 0010 FFFF | 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
+ //
+ // Code point value is stored in bits marked with 'x',
+ // lowest-order bit of the value on the right side in the diagram
+ // above. (from RFC 3629)
+
+ // mask to extract lead byte's value ('x' bits above), by sequence
+ // length:
+ static const unsigned char leadValueMask[] = { 0x7F, 0x1F, 0x0F, 0x07 };
+
+ // mask and value of lead byte's most significant bits, by length:
+ static const unsigned char leadMarkerMask[] = { 0x80, 0xE0, 0xF0, 0xF8 };
+ static const unsigned char leadMarkerVal[] = { 0x00, 0xC0, 0xE0, 0xF0 };
+
+ len--; // it's more convenient to work with 0-based length here
+
+ // extract the lead byte's value bits:
+ if ( (c & leadMarkerMask[len]) != leadMarkerVal[len] )
+ break;
+
+ code = c & leadValueMask[len];
+
+ // all remaining bytes, if any, are handled in the same way
+ // regardless of sequence's length:
+ for ( ; len; --len )
+ {
+ c = *++p;
+ if ( (c & 0xC0) != 0x80 )
+ return wxCONV_FAILED;
+
+ code <<= 6;
+ code |= c & 0x3F;
+ }
+ }
+
+#ifdef WC_UTF16
+ // cast is ok because wchar_t == wxUint16 if WC_UTF16
+ if ( encode_utf16(code, (wxUint16 *)out) == 2 )
+ {
+ if ( out )
+ out++;
+ written++;
+ }
+#else // !WC_UTF16
+ if ( out )
+ *out = code;
+#endif // WC_UTF16/!WC_UTF16
+
+ if ( out )
+ out++;
+
+ written++;
+ }
+
+ return wxCONV_FAILED;
+}
+
+size_t
+wxMBConvStrictUTF8::FromWChar(char *dst, size_t dstLen,
+ const wchar_t *src, size_t srcLen) const
+{
+ char *out = dstLen ? dst : NULL;
+ size_t written = 0;
+
+ for ( const wchar_t *wp = src; ; wp++ )
+ {
+ if ( !(srcLen == wxNO_LEN ? *wp : srcLen--) )
+ {
+ // all done successfully, just add the trailing NULL if we are not
+ // using explicit length
+ if ( srcLen == wxNO_LEN )
+ {
+ if ( out )
+ {
+ if ( !dstLen )
+ break;
+
+ *out = '\0';
+ }
+
+ written++;
+ }
+
+ return written;
+ }
+
+
+ wxUint32 code;
+#ifdef WC_UTF16
+ // cast is ok for WC_UTF16
+ if ( decode_utf16((const wxUint16 *)wp, code) == 2 )
+ {
+ // skip the next char too as we decoded a surrogate
+ wp++;
+ }
+#else // wchar_t is UTF-32
+ code = *wp & 0x7fffffff;
+#endif
+
+ unsigned len;
+ if ( code <= 0x7F )
+ {
+ len = 1;
+ if ( out )
+ {
+ if ( dstLen < len )
+ break;
+
+ out[0] = (char)code;
+ }
+ }
+ else if ( code <= 0x07FF )
+ {
+ len = 2;
+ if ( out )
+ {
+ if ( dstLen < len )
+ break;
+
+ // NB: this line takes 6 least significant bits, encodes them as
+ // 10xxxxxx and discards them so that the next byte can be encoded:
+ out[1] = 0x80 | (code & 0x3F); code >>= 6;
+ out[0] = 0xC0 | code;
+ }
+ }
+ else if ( code < 0xFFFF )
+ {
+ len = 3;
+ if ( out )
+ {
+ if ( dstLen < len )
+ break;
+
+ out[2] = 0x80 | (code & 0x3F); code >>= 6;
+ out[1] = 0x80 | (code & 0x3F); code >>= 6;
+ out[0] = 0xE0 | code;
+ }
+ }
+ else if ( code <= 0x10FFFF )
+ {
+ len = 4;
+ if ( out )
+ {
+ if ( dstLen < len )
+ break;
+
+ out[3] = 0x80 | (code & 0x3F); code >>= 6;
+ out[2] = 0x80 | (code & 0x3F); code >>= 6;
+ out[1] = 0x80 | (code & 0x3F); code >>= 6;
+ out[0] = 0xF0 | code;
+ }
+ }
+ else
+ {
+ wxFAIL_MSG( _T("trying to encode undefined Unicode character") );
+ break;
+ }
+
+ if ( out )
+ {
+ out += len;
+ dstLen -= len;
+ }
+
+ written += len;
+ }
+
+ // we only get here if an error occurs during decoding
+ return wxCONV_FAILED;
+}
+
+size_t wxMBConvUTF8::ToWChar(wchar_t *buf, size_t n,
+ const char *psz, size_t srcLen) const
{
+ if ( m_options == MAP_INVALID_UTF8_NOT )
+ return wxMBConvStrictUTF8::ToWChar(buf, n, psz, srcLen);
+
size_t len = 0;
- while (*psz && ((!buf) || (len < n)))
+ while ((srcLen == wxNO_LEN ? *psz : srcLen--) && ((!buf) || (len < n)))
{
const char *opsz = psz;
bool invalid = false;
else
{
#ifdef WC_UTF16
- // cast is ok because wchar_t == wxUuint16 if WC_UTF16
+ // cast is ok because wchar_t == wxUint16 if WC_UTF16
size_t pa = encode_utf16(res, (wxUint16 *)buf);
if (pa == wxCONV_FAILED)
{
}
}
- if (buf && (len < n))
+ if (srcLen == wxNO_LEN && buf && (len < n))
*buf = 0;
- return len;
+ return len + 1;
}
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 wxMBConvUTF8::FromWChar(char *buf, size_t n,
+ const wchar_t *psz, size_t srcLen) const
{
+ if ( m_options == MAP_INVALID_UTF8_NOT )
+ return wxMBConvStrictUTF8::FromWChar(buf, n, psz, srcLen);
+
size_t len = 0;
- while (*psz && ((!buf) || (len < n)))
+ while ((srcLen == wxNO_LEN ? *psz : srcLen--) && ((!buf) || (len < n)))
{
wxUint32 cc;
}
}
- if (buf && (len < n))
+ if (srcLen == wxNO_LEN && buf && (len < n))
*buf = 0;
- return len;
+ return len + 1;
}
// ============================================================================
class wxMBConv_iconv : public wxMBConv
{
public:
- wxMBConv_iconv(const wxChar *name);
+ wxMBConv_iconv(const char *name);
virtual ~wxMBConv_iconv();
virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
// classify this encoding as explained in wxMBConv::GetMBNulLen() comment
virtual size_t GetMBNulLen() const;
+#if wxUSE_UNICODE_UTF8
+ virtual bool IsUTF8() const;
+#endif
+
virtual wxMBConv *Clone() const
{
- wxMBConv_iconv *p = new wxMBConv_iconv(m_name);
+ wxMBConv_iconv *p = new wxMBConv_iconv(m_name.ToAscii());
p->m_minMBCharWidth = m_minMBCharWidth;
return p;
}
};
// make the constructor available for unit testing
-WXDLLIMPEXP_BASE wxMBConv* new_wxMBConv_iconv( const wxChar* name )
+WXDLLIMPEXP_BASE wxMBConv* new_wxMBConv_iconv( const char* name )
{
wxMBConv_iconv* result = new wxMBConv_iconv( name );
if ( !result->IsOk() )
wxString wxMBConv_iconv::ms_wcCharsetName;
bool wxMBConv_iconv::ms_wcNeedsSwap = false;
-wxMBConv_iconv::wxMBConv_iconv(const wxChar *name)
+wxMBConv_iconv::wxMBConv_iconv(const char *name)
: m_name(name)
{
m_minMBCharWidth = 0;
- // 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.empty() )
{
wxLogTrace(TRACE_STRCONV, _T(" trying charset \"%s\""),
nameXE.c_str());
- m2w = iconv_open(nameXE.ToAscii(), cname);
+ m2w = iconv_open(nameXE.ToAscii(), name);
if ( m2w == ICONV_T_INVALID )
{
// try charset w/o bytesex info (e.g. "UCS4")
wxLogTrace(TRACE_STRCONV, _T(" trying charset \"%s\""),
nameCS.c_str());
- m2w = iconv_open(nameCS.ToAscii(), cname);
+ m2w = iconv_open(nameCS.ToAscii(), name);
// and check for bytesex ourselves:
if ( m2w != ICONV_T_INVALID )
{
char buf[2], *bufPtr;
- wchar_t wbuf[2], *wbufPtr;
+ wchar_t wbuf[2];
size_t insz, outsz;
size_t res;
wbuf[0] = 0;
insz = 2;
outsz = SIZEOF_WCHAR_T * 2;
- wbufPtr = wbuf;
+ char* wbufPtr = (char*)wbuf;
bufPtr = buf;
res = iconv(
m2w, ICONV_CHAR_CAST(&bufPtr), &insz,
- (char**)&wbufPtr, &outsz);
+ &wbufPtr, &outsz);
if (ICONV_FAILED(res, insz))
{
wxLogTrace(TRACE_STRCONV,
wxT("iconv wchar_t charset is \"%s\"%s"),
- ms_wcCharsetName.empty() ? _T("<none>")
- : ms_wcCharsetName.c_str(),
+ ms_wcCharsetName.empty() ? wxString("<none>")
+ : ms_wcCharsetName,
ms_wcNeedsSwap ? _T(" (needs swap)")
: _T(""));
}
else // we already have ms_wcCharsetName
{
- m2w = iconv_open(ms_wcCharsetName.ToAscii(), cname);
+ m2w = iconv_open(ms_wcCharsetName.ToAscii(), name);
}
if ( ms_wcCharsetName.empty() )
}
else
{
- w2m = iconv_open(cname, ms_wcCharsetName.ToAscii());
+ w2m = iconv_open(name, ms_wcCharsetName.ToAscii());
if ( w2m == ICONV_T_INVALID )
{
wxLogTrace(TRACE_STRCONV,
wxT("\"%s\" -> \"%s\" works but not the converse!?"),
- ms_wcCharsetName.c_str(), cname.data());
+ ms_wcCharsetName.c_str(), name);
}
}
}
size_t outbuf = n * SIZEOF_WCHAR_T;
size_t res, cres;
- // VS: Use these instead of psz, buf because iconv() modifies its arguments:
- wchar_t *bufPtr = buf;
const char *pszPtr = psz;
if (buf)
{
+ char* bufPtr = (char*)buf;
+
// have destination buffer, convert there
cres = iconv(m2w,
ICONV_CHAR_CAST(&pszPtr), &inbuf,
- (char**)&bufPtr, &outbuf);
+ &bufPtr, &outbuf);
res = n - (outbuf / SIZEOF_WCHAR_T);
if (ms_wcNeedsSwap)
do
{
- bufPtr = tbuf;
+ char* bufPtr = (char*)tbuf;
outbuf = 8 * SIZEOF_WCHAR_T;
cres = iconv(m2w,
ICONV_CHAR_CAST(&pszPtr), &inbuf,
- (char**)&bufPtr, &outbuf );
+ &bufPtr, &outbuf );
res += 8 - (outbuf / SIZEOF_WCHAR_T);
}
#endif
size_t inlen = wxWcslen(psz);
- size_t inbuf = inlen * SIZEOF_WCHAR_T;
- size_t outbuf = n;
+ size_t inbuflen = inlen * SIZEOF_WCHAR_T;
+ size_t outbuflen = n;
size_t res, cres;
wchar_t *tmpbuf = 0;
// need to copy to temp buffer to switch endianness
// (doing WC_BSWAP twice on the original buffer won't help, as it
// could be in read-only memory, or be accessed in some other thread)
- tmpbuf = (wchar_t *)malloc(inbuf + SIZEOF_WCHAR_T);
+ tmpbuf = (wchar_t *)malloc(inbuflen + SIZEOF_WCHAR_T);
for ( size_t i = 0; i < inlen; i++ )
tmpbuf[n] = WC_BSWAP(psz[i]);
psz = tmpbuf;
}
+ char* inbuf = (char*)psz;
if (buf)
{
// have destination buffer, convert there
- cres = iconv( w2m, ICONV_CHAR_CAST(&psz), &inbuf, &buf, &outbuf );
+ cres = iconv(w2m, ICONV_CHAR_CAST(&inbuf), &inbuflen, &buf, &outbuflen);
- res = n - outbuf;
+ res = n - outbuflen;
// NB: iconv was given only wcslen(psz) characters on input, and so
// it couldn't convert the trailing zero. Let's do it ourselves
do
{
buf = tbuf;
- outbuf = 16;
+ outbuflen = 16;
- cres = iconv( w2m, ICONV_CHAR_CAST(&psz), &inbuf, &buf, &outbuf );
+ cres = iconv(w2m, ICONV_CHAR_CAST(&inbuf), &inbuflen, &buf, &outbuflen);
- res += 16 - outbuf;
+ res += 16 - outbuflen;
}
while ((cres == (size_t)-1) && (errno == E2BIG));
}
free(tmpbuf);
}
- if (ICONV_FAILED(cres, inbuf))
+ if (ICONV_FAILED(cres, inbuflen))
{
wxLogTrace(TRACE_STRCONV, wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
return wxCONV_FAILED;
wxMutexLocker lock(self->m_iconvMutex);
#endif
- wchar_t *wnul = L"";
+ const wchar_t *wnul = L"";
char buf[8]; // should be enough for NUL in any encoding
size_t inLen = sizeof(wchar_t),
outLen = WXSIZEOF(buf);
return m_minMBCharWidth;
}
+#if wxUSE_UNICODE_UTF8
+bool wxMBConv_iconv::IsUTF8() const
+{
+ return wxStricmp(m_name, "UTF-8") == 0 ||
+ wxStricmp(m_name, "UTF8") == 0;
+}
+#endif
+
#endif // HAVE_ICONV
// from utils.cpp
#if wxUSE_FONTMAP
-extern WXDLLIMPEXP_BASE long wxCharsetToCodepage(const wxChar *charset);
+extern WXDLLIMPEXP_BASE long wxCharsetToCodepage(const char *charset);
extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding);
#endif
}
#if wxUSE_FONTMAP
- wxMBConv_win32(const wxChar* name)
+ wxMBConv_win32(const char* name)
{
m_CodePage = wxCharsetToCodepage(name);
m_minMBCharWidth = 0;
// http://msdn.microsoft.com/library/en-us/intl/unicode_17si.asp
if ( m_CodePage == CP_UTF8 )
{
- return wxConvUTF8.MB2WC(buf, psz, n);
+ return wxMBConvUTF8().MB2WC(buf, psz, n);
}
if ( m_CodePage == CP_UTF7 )
{
- return wxConvUTF7.MB2WC(buf, psz, n);
+ return wxMBConvUTF7().MB2WC(buf, psz, n);
}
int flags = 0;
return wxCONV_FAILED;
}
- // if we were really converting, check if we succeeded
- if ( buf )
+ // we did something, check if we really succeeded
+ if ( flags )
{
- if ( flags )
+ // check if the conversion failed, i.e. if any replacements
+ // were done
+ if ( usedDef )
+ return wxCONV_FAILED;
+ }
+ else // we must resort to double tripping...
+ {
+ // first we need to ensure that we really have the MB data: this is
+ // not the case if we're called with NULL buffer, in which case we
+ // need to do the conversion yet again
+ wxCharBuffer bufDef;
+ if ( !buf )
{
- // check if the conversion failed, i.e. if any replacements
- // were done
- if ( usedDef )
+ bufDef = wxCharBuffer(len);
+ buf = bufDef.data();
+ if ( !::WideCharToMultiByte(m_CodePage, flags, pwz, -1,
+ buf, len, NULL, NULL) )
return wxCONV_FAILED;
}
- else // we must resort to double tripping...
+
+ if ( !n )
+ n = wcslen(pwz);
+ wxWCharBuffer wcBuf(n);
+ if ( MB2WC(wcBuf.data(), buf, n + 1) == wxCONV_FAILED ||
+ wcscmp(wcBuf, pwz) != 0 )
{
- wxWCharBuffer wcBuf(n);
- if ( MB2WC(wcBuf.data(), buf, n) == wxCONV_FAILED ||
- 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 wxCONV_FAILED;
- }
+ // we didn't obtain the same thing we started from, hence
+ // the conversion was lossy and we consider that it failed
+ return wxCONV_FAILED;
}
}
#endif // wxHAVE_WIN32_MB2WC
-// ============================================================================
-// Cocoa conversion classes
-// ============================================================================
-
-#if defined(__WXCOCOA__)
-
-// RN: There is no UTF-32 support in either Core Foundation or Cocoa.
-// Strangely enough, internally Core Foundation uses
-// UTF-32 internally quite a bit - its just not public (yet).
-
-#include <CoreFoundation/CFString.h>
-#include <CoreFoundation/CFStringEncodingExt.h>
-
-CFStringEncoding wxCFStringEncFromFontEnc(wxFontEncoding encoding)
-{
- CFStringEncoding enc = kCFStringEncodingInvalidId ;
-
- switch (encoding)
- {
- case wxFONTENCODING_DEFAULT :
- enc = CFStringGetSystemEncoding();
- break ;
-
- case wxFONTENCODING_ISO8859_1 :
- enc = kCFStringEncodingISOLatin1 ;
- break ;
- case wxFONTENCODING_ISO8859_2 :
- enc = kCFStringEncodingISOLatin2;
- break ;
- case wxFONTENCODING_ISO8859_3 :
- enc = kCFStringEncodingISOLatin3 ;
- break ;
- case wxFONTENCODING_ISO8859_4 :
- enc = kCFStringEncodingISOLatin4;
- break ;
- case wxFONTENCODING_ISO8859_5 :
- enc = kCFStringEncodingISOLatinCyrillic;
- break ;
- case wxFONTENCODING_ISO8859_6 :
- enc = kCFStringEncodingISOLatinArabic;
- break ;
- case wxFONTENCODING_ISO8859_7 :
- enc = kCFStringEncodingISOLatinGreek;
- break ;
- case wxFONTENCODING_ISO8859_8 :
- enc = kCFStringEncodingISOLatinHebrew;
- break ;
- case wxFONTENCODING_ISO8859_9 :
- enc = kCFStringEncodingISOLatin5;
- break ;
- case wxFONTENCODING_ISO8859_10 :
- enc = kCFStringEncodingISOLatin6;
- break ;
- case wxFONTENCODING_ISO8859_11 :
- enc = kCFStringEncodingISOLatinThai;
- break ;
- case wxFONTENCODING_ISO8859_13 :
- enc = kCFStringEncodingISOLatin7;
- break ;
- case wxFONTENCODING_ISO8859_14 :
- enc = kCFStringEncodingISOLatin8;
- break ;
- case wxFONTENCODING_ISO8859_15 :
- enc = kCFStringEncodingISOLatin9;
- break ;
-
- case wxFONTENCODING_KOI8 :
- enc = kCFStringEncodingKOI8_R;
- break ;
- case wxFONTENCODING_ALTERNATIVE : // MS-DOS CP866
- enc = kCFStringEncodingDOSRussian;
- break ;
-
-// case wxFONTENCODING_BULGARIAN :
-// enc = ;
-// break ;
-
- case wxFONTENCODING_CP437 :
- enc = kCFStringEncodingDOSLatinUS ;
- break ;
- case wxFONTENCODING_CP850 :
- enc = kCFStringEncodingDOSLatin1;
- break ;
- case wxFONTENCODING_CP852 :
- enc = kCFStringEncodingDOSLatin2;
- break ;
- case wxFONTENCODING_CP855 :
- enc = kCFStringEncodingDOSCyrillic;
- break ;
- case wxFONTENCODING_CP866 :
- enc = kCFStringEncodingDOSRussian ;
- break ;
- case wxFONTENCODING_CP874 :
- enc = kCFStringEncodingDOSThai;
- break ;
- case wxFONTENCODING_CP932 :
- enc = kCFStringEncodingDOSJapanese;
- break ;
- case wxFONTENCODING_CP936 :
- enc = kCFStringEncodingDOSChineseSimplif ;
- break ;
- case wxFONTENCODING_CP949 :
- enc = kCFStringEncodingDOSKorean;
- break ;
- case wxFONTENCODING_CP950 :
- enc = kCFStringEncodingDOSChineseTrad;
- break ;
- case wxFONTENCODING_CP1250 :
- enc = kCFStringEncodingWindowsLatin2;
- break ;
- case wxFONTENCODING_CP1251 :
- enc = kCFStringEncodingWindowsCyrillic ;
- break ;
- case wxFONTENCODING_CP1252 :
- enc = kCFStringEncodingWindowsLatin1 ;
- break ;
- case wxFONTENCODING_CP1253 :
- enc = kCFStringEncodingWindowsGreek;
- break ;
- case wxFONTENCODING_CP1254 :
- enc = kCFStringEncodingWindowsLatin5;
- break ;
- case wxFONTENCODING_CP1255 :
- enc = kCFStringEncodingWindowsHebrew ;
- break ;
- case wxFONTENCODING_CP1256 :
- enc = kCFStringEncodingWindowsArabic ;
- break ;
- case wxFONTENCODING_CP1257 :
- enc = kCFStringEncodingWindowsBalticRim;
- break ;
-// This only really encodes to UTF7 (if that) evidently
-// case wxFONTENCODING_UTF7 :
-// enc = kCFStringEncodingNonLossyASCII ;
-// break ;
- case wxFONTENCODING_UTF8 :
- enc = kCFStringEncodingUTF8 ;
- break ;
- case wxFONTENCODING_EUC_JP :
- enc = kCFStringEncodingEUC_JP;
- break ;
- case wxFONTENCODING_UTF16 :
- enc = kCFStringEncodingUnicode ;
- break ;
- case wxFONTENCODING_MACROMAN :
- enc = kCFStringEncodingMacRoman ;
- break ;
- case wxFONTENCODING_MACJAPANESE :
- enc = kCFStringEncodingMacJapanese ;
- break ;
- case wxFONTENCODING_MACCHINESETRAD :
- enc = kCFStringEncodingMacChineseTrad ;
- break ;
- case wxFONTENCODING_MACKOREAN :
- enc = kCFStringEncodingMacKorean ;
- break ;
- case wxFONTENCODING_MACARABIC :
- enc = kCFStringEncodingMacArabic ;
- break ;
- case wxFONTENCODING_MACHEBREW :
- enc = kCFStringEncodingMacHebrew ;
- break ;
- case wxFONTENCODING_MACGREEK :
- enc = kCFStringEncodingMacGreek ;
- break ;
- case wxFONTENCODING_MACCYRILLIC :
- enc = kCFStringEncodingMacCyrillic ;
- break ;
- case wxFONTENCODING_MACDEVANAGARI :
- enc = kCFStringEncodingMacDevanagari ;
- break ;
- case wxFONTENCODING_MACGURMUKHI :
- enc = kCFStringEncodingMacGurmukhi ;
- break ;
- case wxFONTENCODING_MACGUJARATI :
- enc = kCFStringEncodingMacGujarati ;
- break ;
- case wxFONTENCODING_MACORIYA :
- enc = kCFStringEncodingMacOriya ;
- break ;
- case wxFONTENCODING_MACBENGALI :
- enc = kCFStringEncodingMacBengali ;
- break ;
- case wxFONTENCODING_MACTAMIL :
- enc = kCFStringEncodingMacTamil ;
- break ;
- case wxFONTENCODING_MACTELUGU :
- enc = kCFStringEncodingMacTelugu ;
- break ;
- case wxFONTENCODING_MACKANNADA :
- enc = kCFStringEncodingMacKannada ;
- break ;
- case wxFONTENCODING_MACMALAJALAM :
- enc = kCFStringEncodingMacMalayalam ;
- break ;
- case wxFONTENCODING_MACSINHALESE :
- enc = kCFStringEncodingMacSinhalese ;
- break ;
- case wxFONTENCODING_MACBURMESE :
- enc = kCFStringEncodingMacBurmese ;
- break ;
- case wxFONTENCODING_MACKHMER :
- enc = kCFStringEncodingMacKhmer ;
- break ;
- case wxFONTENCODING_MACTHAI :
- enc = kCFStringEncodingMacThai ;
- break ;
- case wxFONTENCODING_MACLAOTIAN :
- enc = kCFStringEncodingMacLaotian ;
- break ;
- case wxFONTENCODING_MACGEORGIAN :
- enc = kCFStringEncodingMacGeorgian ;
- break ;
- case wxFONTENCODING_MACARMENIAN :
- enc = kCFStringEncodingMacArmenian ;
- break ;
- case wxFONTENCODING_MACCHINESESIMP :
- enc = kCFStringEncodingMacChineseSimp ;
- break ;
- case wxFONTENCODING_MACTIBETAN :
- enc = kCFStringEncodingMacTibetan ;
- break ;
- case wxFONTENCODING_MACMONGOLIAN :
- enc = kCFStringEncodingMacMongolian ;
- break ;
- case wxFONTENCODING_MACETHIOPIC :
- enc = kCFStringEncodingMacEthiopic ;
- break ;
- case wxFONTENCODING_MACCENTRALEUR :
- enc = kCFStringEncodingMacCentralEurRoman ;
- break ;
- case wxFONTENCODING_MACVIATNAMESE :
- enc = kCFStringEncodingMacVietnamese ;
- break ;
- case wxFONTENCODING_MACARABICEXT :
- enc = kCFStringEncodingMacExtArabic ;
- break ;
- case wxFONTENCODING_MACSYMBOL :
- enc = kCFStringEncodingMacSymbol ;
- break ;
- case wxFONTENCODING_MACDINGBATS :
- enc = kCFStringEncodingMacDingbats ;
- break ;
- case wxFONTENCODING_MACTURKISH :
- enc = kCFStringEncodingMacTurkish ;
- break ;
- case wxFONTENCODING_MACCROATIAN :
- enc = kCFStringEncodingMacCroatian ;
- break ;
- case wxFONTENCODING_MACICELANDIC :
- enc = kCFStringEncodingMacIcelandic ;
- break ;
- case wxFONTENCODING_MACROMANIAN :
- enc = kCFStringEncodingMacRomanian ;
- break ;
- case wxFONTENCODING_MACCELTIC :
- enc = kCFStringEncodingMacCeltic ;
- break ;
- case wxFONTENCODING_MACGAELIC :
- enc = kCFStringEncodingMacGaelic ;
- break ;
-// case wxFONTENCODING_MACKEYBOARD :
-// enc = kCFStringEncodingMacKeyboardGlyphs ;
-// break ;
-
- default :
- // because gcc is picky
- break ;
- }
-
- return enc ;
-}
-
-class wxMBConv_cocoa : public wxMBConv
-{
-public:
- wxMBConv_cocoa()
- {
- Init(CFStringGetSystemEncoding()) ;
- }
-
- wxMBConv_cocoa(const wxMBConv_cocoa& conv)
- {
- m_encoding = conv.m_encoding;
- }
-
-#if wxUSE_FONTMAP
- wxMBConv_cocoa(const wxChar* name)
- {
- Init( wxCFStringEncFromFontEnc(wxFontMapperBase::Get()->CharsetToEncoding(name, false) ) ) ;
- }
-#endif
-
- wxMBConv_cocoa(wxFontEncoding encoding)
- {
- Init( wxCFStringEncFromFontEnc(encoding) );
- }
-
- virtual ~wxMBConv_cocoa()
- {
- }
-
- void Init( CFStringEncoding encoding)
- {
- m_encoding = encoding ;
- }
-
- size_t MB2WC(wchar_t * szOut, const char * szUnConv, size_t nOutSize) const
- {
- wxASSERT(szUnConv);
-
- CFStringRef theString = CFStringCreateWithBytes (
- NULL, //the allocator
- (const UInt8*)szUnConv,
- strlen(szUnConv),
- m_encoding,
- false //no BOM/external representation
- );
-
- wxASSERT(theString);
-
- size_t nOutLength = CFStringGetLength(theString);
-
- if (szOut == NULL)
- {
- CFRelease(theString);
- return nOutLength;
- }
-
- CFRange theRange = { 0, nOutSize };
-
-#if SIZEOF_WCHAR_T == 4
- UniChar* szUniCharBuffer = new UniChar[nOutSize];
-#endif
-
- CFStringGetCharacters(theString, theRange, szUniCharBuffer);
-
- CFRelease(theString);
-
- szUniCharBuffer[nOutLength] = '\0';
-
-#if SIZEOF_WCHAR_T == 4
- wxMBConvUTF16 converter;
- 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
- wxMBConvUTF16 converter ;
- nBufSize = converter.WC2MB( NULL, szUnConv, 0 );
- szUniBuffer = new UniChar[ (nBufSize / sizeof(UniChar)) + 1];
- converter.WC2MB( (char*) szUniBuffer, szUnConv, nBufSize + sizeof(UniChar));
- nBufSize /= sizeof(UniChar);
-#endif
-
- CFStringRef theString = CFStringCreateWithCharactersNoCopy(
- NULL, //allocator
- szUniBuffer,
- nBufSize,
- kCFAllocatorNull //deallocator - we want to deallocate it ourselves
- );
-
- wxASSERT(theString);
-
- //Note that CER puts a BOM when converting to unicode
- //so we check and use getchars instead in that case
- if (m_encoding == kCFStringEncodingUnicode)
- {
- if (szOut != NULL)
- CFStringGetCharacters(theString, CFRangeMake(0, nOutSize - 1), (UniChar*) szOut);
-
- nRealOutSize = CFStringGetLength(theString) + 1;
- }
- else
- {
- CFStringGetBytes(
- theString,
- CFRangeMake(0, CFStringGetLength(theString)),
- m_encoding,
- 0, //what to put in characters that can't be converted -
- //0 tells CFString to return NULL if it meets such a character
- false, //not an external representation
- (UInt8*) szOut,
- nOutSize,
- (CFIndex*) &nRealOutSize
- );
- }
-
- CFRelease(theString);
-
-#if SIZEOF_WCHAR_T == 4
- delete[] szUniBuffer;
-#endif
-
- return nRealOutSize - 1;
- }
-
- virtual wxMBConv *Clone() const { return new wxMBConv_cocoa(*this); }
-
- bool IsOk() const
- {
- return m_encoding != kCFStringEncodingInvalidId &&
- CFStringIsEncodingAvailable(m_encoding);
- }
-
-private:
- CFStringEncoding m_encoding ;
-};
-
-#endif // defined(__WXCOCOA__)
-
-// ============================================================================
-// Mac conversion classes
-// ============================================================================
-
-#if defined(__WXMAC__) && defined(TARGET_CARBON)
-
-class wxMBConv_mac : public wxMBConv
-{
-public:
- wxMBConv_mac()
- {
- Init(CFStringGetSystemEncoding()) ;
- }
-
- wxMBConv_mac(const wxMBConv_mac& conv)
- {
- Init(conv.m_char_encoding);
- }
-
-#if wxUSE_FONTMAP
- wxMBConv_mac(const wxChar* name)
- {
- Init( wxMacGetSystemEncFromFontEnc( wxFontMapperBase::Get()->CharsetToEncoding(name, false) ) );
- }
-#endif
-
- wxMBConv_mac(wxFontEncoding encoding)
- {
- Init( wxMacGetSystemEncFromFontEnc(encoding) );
- }
-
- virtual ~wxMBConv_mac()
- {
- OSStatus status = noErr ;
- if (m_MB2WC_converter)
- status = TECDisposeConverter(m_MB2WC_converter);
- if (m_WC2MB_converter)
- status = TECDisposeConverter(m_WC2MB_converter);
- }
-
- void Init( TextEncodingBase encoding,TextEncodingVariant encodingVariant = kTextEncodingDefaultVariant ,
- TextEncodingFormat encodingFormat = kTextEncodingDefaultFormat)
- {
- m_MB2WC_converter = NULL ;
- m_WC2MB_converter = NULL ;
- m_char_encoding = CreateTextEncoding(encoding, encodingVariant, encodingFormat) ;
- m_unicode_encoding = CreateTextEncoding(kTextEncodingUnicodeDefault, 0, kUnicode16BitFormat) ;
- }
-
- virtual void CreateIfNeeded() const
- {
- if ( m_MB2WC_converter == NULL && m_WC2MB_converter == NULL )
- {
- OSStatus status = noErr ;
- status = TECCreateConverter(&m_MB2WC_converter,
- m_char_encoding,
- m_unicode_encoding);
- wxASSERT_MSG( status == noErr , _("Unable to create TextEncodingConverter")) ;
- status = TECCreateConverter(&m_WC2MB_converter,
- m_unicode_encoding,
- m_char_encoding);
- wxASSERT_MSG( status == noErr , _("Unable to create TextEncodingConverter")) ;
- }
- }
-
- size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const
- {
- CreateIfNeeded() ;
- OSStatus status = noErr ;
- ByteCount byteOutLen ;
- ByteCount byteInLen = strlen(psz) + 1;
- wchar_t *tbuf = NULL ;
- UniChar* ubuf = NULL ;
- size_t res = 0 ;
-
- if (buf == NULL)
- {
- // Apple specs say at least 32
- n = wxMax( 32, 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 ;
- wxMBConvUTF16 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
- {
- CreateIfNeeded() ;
- OSStatus status = noErr ;
- ByteCount byteOutLen ;
- ByteCount byteInLen = wxWcslen(psz) * SIZEOF_WCHAR_T ;
-
- char *tbuf = NULL ;
-
- if (buf == NULL)
- {
- // Apple specs say at least 32
- n = wxMax( 32, ((byteInLen / SIZEOF_WCHAR_T) * 8) + SIZEOF_WCHAR_T );
- tbuf = (char*) malloc( n ) ;
- }
-
- ByteCount byteBufferLen = n ;
- UniChar* ubuf = NULL ;
-
-#if SIZEOF_WCHAR_T == 4
- wxMBConvUTF16 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;
-
- //we need to double-trip to verify it didn't insert any ? in place
- //of bogus characters
- wxWCharBuffer wcBuf(n);
- size_t pszlen = wxWcslen(psz);
- if ( MB2WC(wcBuf.data(), buf, n) == wxCONV_FAILED ||
- wxWcslen(wcBuf) != pszlen ||
- memcmp(wcBuf, psz, pszlen * sizeof(wchar_t)) != 0 )
- {
- // we didn't obtain the same thing we started from, hence
- // the conversion was lossy and we consider that it failed
- return wxCONV_FAILED;
- }
- }
-
- return res ;
- }
-
- virtual wxMBConv *Clone() const { return new wxMBConv_mac(*this); }
-
- bool IsOk() const
- {
- CreateIfNeeded() ;
- return m_MB2WC_converter != NULL && m_WC2MB_converter != NULL;
- }
-
-protected :
- mutable TECObjectRef m_MB2WC_converter;
- mutable TECObjectRef m_WC2MB_converter;
-
- TextEncodingBase m_char_encoding;
- TextEncodingBase m_unicode_encoding;
-};
-
-// MB is decomposed (D) normalized UTF8
-
-class wxMBConv_macUTF8D : public wxMBConv_mac
-{
-public :
- wxMBConv_macUTF8D()
- {
- Init( kTextEncodingUnicodeDefault , kUnicodeNoSubset , kUnicodeUTF8Format ) ;
- m_uni = NULL;
- m_uniBack = NULL ;
- }
-
- virtual ~wxMBConv_macUTF8D()
- {
- if (m_uni!=NULL)
- DisposeUnicodeToTextInfo(&m_uni);
- if (m_uniBack!=NULL)
- DisposeUnicodeToTextInfo(&m_uniBack);
- }
-
- size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const
- {
- CreateIfNeeded() ;
- OSStatus status = noErr ;
- ByteCount byteOutLen ;
- ByteCount byteInLen = wxWcslen(psz) * SIZEOF_WCHAR_T ;
-
- char *tbuf = NULL ;
-
- if (buf == NULL)
- {
- // Apple specs say at least 32
- n = wxMax( 32, ((byteInLen / SIZEOF_WCHAR_T) * 8) + SIZEOF_WCHAR_T );
- tbuf = (char*) malloc( n ) ;
- }
-
- ByteCount byteBufferLen = n ;
- UniChar* ubuf = NULL ;
-
-#if SIZEOF_WCHAR_T == 4
- wxMBConvUTF16 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
-
- // ubuf is a non-decomposed UniChar buffer
-
- ByteCount dcubuflen = byteInLen * 2 + 2 ;
- ByteCount dcubufread , dcubufwritten ;
- UniChar *dcubuf = (UniChar*) malloc( dcubuflen ) ;
-
- ConvertFromUnicodeToText( m_uni , byteInLen , ubuf ,
- kUnicodeDefaultDirectionMask, 0, NULL, NULL, NULL, dcubuflen , &dcubufread , &dcubufwritten , dcubuf ) ;
-
- // we now convert that decomposed buffer into UTF8
-
- status = TECConvertText(
- m_WC2MB_converter, (ConstTextPtr) dcubuf, dcubufwritten, &dcubufread,
- (TextPtr) (buf ? buf : tbuf), byteBufferLen, &byteOutLen);
-
- free( dcubuf );
-
-#if SIZEOF_WCHAR_T == 4
- free( ubuf ) ;
-#endif
-
- if ( buf == NULL )
- free(tbuf) ;
-
- size_t res = byteOutLen ;
- if ( buf && res < n)
- {
- buf[res] = 0;
- // don't test for round-trip fidelity yet, we cannot guarantee it yet
- }
-
- return res ;
- }
-
- size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const
- {
- CreateIfNeeded() ;
- OSStatus status = noErr ;
- ByteCount byteOutLen ;
- ByteCount byteInLen = strlen(psz) + 1;
- wchar_t *tbuf = NULL ;
- UniChar* ubuf = NULL ;
- size_t res = 0 ;
-
- if (buf == NULL)
- {
- // Apple specs say at least 32
- n = wxMax( 32, 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
-
- ByteCount dcubuflen = byteBufferLen * 2 + 2 ;
- ByteCount dcubufread , dcubufwritten ;
- UniChar *dcubuf = (UniChar*) malloc( dcubuflen ) ;
-
- status = TECConvertText(
- m_MB2WC_converter, (ConstTextPtr) psz, byteInLen, &byteInLen,
- (TextPtr) dcubuf, dcubuflen, &byteOutLen);
- // 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
- dcubuf[byteOutLen / sizeof( UniChar ) ] = 0 ;
-
- // now from the decomposed UniChar to properly composed uniChar
- ConvertFromUnicodeToText( m_uniBack , byteOutLen , dcubuf ,
- kUnicodeDefaultDirectionMask, 0, NULL, NULL, NULL, dcubuflen , &dcubufread , &dcubufwritten , ubuf ) ;
-
- free( dcubuf );
- byteOutLen = dcubufwritten ;
- ubuf[byteOutLen / sizeof( UniChar ) ] = 0 ;
-
-
-#if SIZEOF_WCHAR_T == 4
- wxMBConvUTF16 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 ;
- }
-
- virtual void CreateIfNeeded() const
- {
- wxMBConv_mac::CreateIfNeeded() ;
- if ( m_uni == NULL )
- {
- m_map.unicodeEncoding = CreateTextEncoding(kTextEncodingUnicodeDefault,
- kUnicodeNoSubset, kTextEncodingDefaultFormat);
- m_map.otherEncoding = CreateTextEncoding(kTextEncodingUnicodeDefault,
- kUnicodeCanonicalDecompVariant, kTextEncodingDefaultFormat);
- m_map.mappingVersion = kUnicodeUseLatestMapping;
-
- OSStatus err = CreateUnicodeToTextInfo(&m_map, &m_uni);
- wxASSERT_MSG( err == noErr , _(" Couldn't create the UnicodeConverter")) ;
-
- m_map.unicodeEncoding = CreateTextEncoding(kTextEncodingUnicodeDefault,
- kUnicodeNoSubset, kTextEncodingDefaultFormat);
- m_map.otherEncoding = CreateTextEncoding(kTextEncodingUnicodeDefault,
- kUnicodeCanonicalCompVariant, kTextEncodingDefaultFormat);
- m_map.mappingVersion = kUnicodeUseLatestMapping;
- err = CreateUnicodeToTextInfo(&m_map, &m_uniBack);
- wxASSERT_MSG( err == noErr , _(" Couldn't create the UnicodeConverter")) ;
- }
- }
-protected :
- mutable UnicodeToTextInfo m_uni;
- mutable UnicodeToTextInfo m_uniBack;
- mutable UnicodeMapping m_map;
-};
-#endif // defined(__WXMAC__) && defined(TARGET_CARBON)
// ============================================================================
// wxEncodingConverter based conversion classes
private:
void Init()
{
- m_ok = m2w.Init(m_enc, wxFONTENCODING_UNICODE) &&
+ // Refuse to use broken wxEncodingConverter code for Mac-specific encodings.
+ // The wxMBConv_cf class does a better job.
+ m_ok = (m_enc < wxFONTENCODING_MACMIN || m_enc > wxFONTENCODING_MACMAX) &&
+ m2w.Init(m_enc, wxFONTENCODING_UNICODE) &&
w2m.Init(wxFONTENCODING_UNICODE, m_enc);
}
public:
// temporarily just use wxEncodingConverter stuff,
// so that it works while a better implementation is built
- wxMBConv_wxwin(const wxChar* name)
+ wxMBConv_wxwin(const char* name)
{
if (name)
m_enc = wxFontMapperBase::Get()->CharsetToEncoding(name, false);
};
// make the constructors available for unit testing
-WXDLLIMPEXP_BASE wxMBConv* new_wxMBConv_wxwin( const wxChar* name )
+WXDLLIMPEXP_BASE wxMBConv* new_wxMBConv_wxwin( const char* name )
{
wxMBConv_wxwin* result = new wxMBConv_wxwin( name );
if ( !result->IsOk() )
m_deferred = true;
}
-wxCSConv::wxCSConv(const wxChar *charset)
+wxCSConv::wxCSConv(const wxString& charset)
{
Init();
- if ( charset )
+ if ( !charset.empty() )
{
- SetName(charset);
+ SetName(charset.ToAscii());
}
#if wxUSE_FONTMAP
m_convReal = NULL;
}
-void wxCSConv::SetName(const wxChar *charset)
+void wxCSConv::SetName(const char *charset)
{
if (charset)
{
wxLogTrace(TRACE_STRCONV,
wxT("creating conversion for %s"),
(m_name ? m_name
- : wxFontMapperBase::GetEncodingName(m_encoding).c_str()));
+ : (const char*)wxFontMapperBase::GetEncodingName(m_encoding).mb_str()));
#endif // wxUSE_FONTMAP
// check for the special case of ASCII or ISO8859-1 charset: as we have
if ( m_name )
#endif // !wxUSE_FONTMAP
{
- wxString name(m_name);
#if wxUSE_FONTMAP
wxFontEncoding encoding(m_encoding);
#endif
- if ( !name.empty() )
+ if ( m_name )
{
- wxMBConv_iconv *conv = new wxMBConv_iconv(name);
+ wxMBConv_iconv *conv = new wxMBConv_iconv(m_name);
if ( conv->IsOk() )
return conv;
#if wxUSE_FONTMAP
encoding =
- wxFontMapperBase::Get()->CharsetToEncoding(name, false);
+ wxFontMapperBase::Get()->CharsetToEncoding(m_name, false);
#endif // wxUSE_FONTMAP
}
#if wxUSE_FONTMAP
if ( it->second.empty() )
return NULL;
- wxMBConv_iconv *conv = new wxMBConv_iconv(it->second);
+ wxMBConv_iconv *conv = new wxMBConv_iconv(it->second.ToAscii());
if ( conv->IsOk() )
return conv;
}
const wxChar** names = wxFontMapperBase::GetAllEncodingNames(encoding);
- // CS : in case this does not return valid names (eg for MacRoman) encoding
- // got a 'failure' entry in the cache all the same, although it just has to
- // be created using a different method, so only store failed iconv creation
- // attempts (or perhaps we shoulnd't do this at all ?)
+ // CS : in case this does not return valid names (eg for MacRoman)
+ // encoding got a 'failure' entry in the cache all the same,
+ // although it just has to be created using a different method, so
+ // only store failed iconv creation attempts (or perhaps we
+ // shoulnd't do this at all ?)
if ( names[0] != NULL )
{
for ( ; *names; ++names )
{
- wxMBConv_iconv *conv = new wxMBConv_iconv(*names);
+ // FIXME-UTF8: wxFontMapperBase::GetAllEncodingNames()
+ // will need changes that will obsolete this
+ wxString name(*names);
+ wxMBConv_iconv *conv = new wxMBConv_iconv(name.ToAscii());
if ( conv->IsOk() )
{
gs_nameCache[encoding] = *names;
}
#endif // wxHAVE_WIN32_MB2WC
-#if defined(__WXMAC__)
+#ifdef __DARWIN__
{
// leave UTF16 and UTF32 to the built-ins of wx
if ( m_name || ( m_encoding < wxFONTENCODING_UTF16BE ||
( m_encoding >= wxFONTENCODING_MACMIN && m_encoding <= wxFONTENCODING_MACMAX ) ) )
{
#if wxUSE_FONTMAP
- wxMBConv_mac *conv = m_name ? new wxMBConv_mac(m_name)
- : new wxMBConv_mac(m_encoding);
-#else
- wxMBConv_mac *conv = new wxMBConv_mac(m_encoding);
-#endif
- if ( conv->IsOk() )
- return conv;
-
- delete conv;
- }
- }
-#endif
-
-#if defined(__WXCOCOA__)
- {
- if ( m_name || ( m_encoding <= wxFONTENCODING_UTF16 ) )
- {
-#if wxUSE_FONTMAP
- wxMBConv_cocoa *conv = m_name ? new wxMBConv_cocoa(m_name)
- : new wxMBConv_cocoa(m_encoding);
+ wxMBConv_cf *conv = m_name ? new wxMBConv_cf(m_name)
+ : new wxMBConv_cf(m_encoding);
#else
- wxMBConv_cocoa *conv = new wxMBConv_cocoa(m_encoding);
+ wxMBConv_cf *conv = new wxMBConv_cf(m_encoding);
#endif
if ( conv->IsOk() )
delete conv;
}
}
-#endif
+#endif // __DARWIN__
+
// step (2)
wxFontEncoding enc = m_encoding;
#if wxUSE_FONTMAP
m_name ? m_name
:
#if wxUSE_FONTMAP
- wxFontMapperBase::GetEncodingDescription(m_encoding).c_str()
+ (const char*)wxFontMapperBase::GetEncodingDescription(m_encoding).ToAscii()
#else // !wxUSE_FONTMAP
- wxString::Format(_("encoding %i"), m_encoding).c_str()
+ (const char*)wxString::Format(_("encoding %i"), m_encoding).ToAscii()
#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
);
if ( !m_name && m_encoding == wxFONTENCODING_SYSTEM )
{
#if wxUSE_INTL
- self->m_name = wxStrdup(wxLocale::GetSystemEncodingName());
+ self->m_encoding = wxLocale::GetSystemEncoding();
#else
// fallback to some reasonable default:
self->m_encoding = wxFONTENCODING_ISO8859_1;
return m_convReal->GetMBNulLen();
}
+ // otherwise, we are ISO-8859-1
return 1;
}
-// ----------------------------------------------------------------------------
-// globals
-// ----------------------------------------------------------------------------
+#if wxUSE_UNICODE_UTF8
+bool wxCSConv::IsUTF8() const
+{
+ CreateConvIfNeeded();
-#ifdef __WINDOWS__
- static wxMBConv_win32 wxConvLibcObj;
-#elif defined(__WXMAC__) && !defined(__MACH__)
- static wxMBConv_mac wxConvLibcObj ;
-#else
- static wxMBConvLibc wxConvLibcObj;
-#endif
+ if ( m_convReal )
+ {
+ return m_convReal->IsUTF8();
+ }
-static wxCSConv wxConvLocalObj(wxFONTENCODING_SYSTEM);
-static wxCSConv wxConvISO8859_1Obj(wxFONTENCODING_ISO8859_1);
-static wxMBConvUTF7 wxConvUTF7Obj;
-static wxMBConvUTF8 wxConvUTF8Obj;
-#if defined(__WXMAC__) && defined(TARGET_CARBON)
-static wxMBConv_macUTF8D wxConvMacUTF8DObj;
-#endif
-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;
-WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvUI = &wxConvLocal;
-WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvFileName = &
-#ifdef __WXOSX__
-#if defined(__WXMAC__) && defined(TARGET_CARBON)
- wxConvMacUTF8DObj;
-#else
- wxConvUTF8Obj;
+ // otherwise, we are ISO-8859-1
+ return false;
+}
#endif
-#else // !__WXOSX__
- wxConvLibcObj;
-#endif // __WXOSX__/!__WXOSX__
+
#if wxUSE_UNICODE
wxWCharBuffer wbuf(wxConvLibc.cMB2WX(s));
if ( !wbuf )
- wbuf = wxConvUTF8.cMB2WX(s);
+ wbuf = wxMBConvUTF8().cMB2WX(s);
if ( !wbuf )
wbuf = wxConvISO8859_1.cMB2WX(s);
#endif // wxUSE_UNICODE
+// ----------------------------------------------------------------------------
+// globals
+// ----------------------------------------------------------------------------
+
+// NB: The reason why we create converted objects in this convoluted way,
+// using a factory function instead of global variable, is that they
+// may be used at static initialization time (some of them are used by
+// wxString ctors and there may be a global wxString object). In other
+// words, possibly _before_ the converter global object would be
+// initialized.
+
+#undef wxConvLibc
+#undef wxConvUTF8
+#undef wxConvUTF7
+#undef wxConvLocal
+#undef wxConvISO8859_1
+
+#define WX_DEFINE_GLOBAL_CONV2(klass, impl_klass, name, ctor_args) \
+ WXDLLIMPEXP_DATA_BASE(klass*) name##Ptr = NULL; \
+ WXDLLIMPEXP_BASE klass* wxGet_##name##Ptr() \
+ { \
+ static impl_klass name##Obj ctor_args; \
+ return &name##Obj; \
+ } \
+ /* this ensures that all global converter objects are created */ \
+ /* by the time static initialization is done, i.e. before any */ \
+ /* thread is launched: */ \
+ static klass* gs_##name##instance = wxGet_##name##Ptr()
+
+#define WX_DEFINE_GLOBAL_CONV(klass, name, ctor_args) \
+ WX_DEFINE_GLOBAL_CONV2(klass, klass, name, ctor_args)
+
+#ifdef __WINDOWS__
+ WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConv_win32, wxConvLibc, wxEMPTY_PARAMETER_VALUE);
+#else
+ WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConvLibc, wxConvLibc, wxEMPTY_PARAMETER_VALUE);
+#endif
+
+// NB: we can't use wxEMPTY_PARAMETER_VALUE as final argument here because it's
+// passed to WX_DEFINE_GLOBAL_CONV2 after a macro expansion and so still
+// provokes an error message about "not enough macro parameters"; and we
+// can't use "()" here as the name##Obj declaration would be parsed as a
+// function declaration then, so use a semicolon and live with an extra
+// empty statement (and hope that no compilers warns about this)
+WX_DEFINE_GLOBAL_CONV(wxMBConvStrictUTF8, wxConvUTF8, ;);
+WX_DEFINE_GLOBAL_CONV(wxMBConvUTF7, wxConvUTF7, ;);
+
+WX_DEFINE_GLOBAL_CONV(wxCSConv, wxConvLocal, (wxFONTENCODING_SYSTEM));
+WX_DEFINE_GLOBAL_CONV(wxCSConv, wxConvISO8859_1, (wxFONTENCODING_ISO8859_1));
+
+WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvCurrent = wxGet_wxConvLibcPtr();
+WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvUI = wxGet_wxConvLocalPtr();
+
+#ifdef __DARWIN__
+// The xnu kernel always communicates file paths in decomposed UTF-8.
+// WARNING: Are we sure that CFString's conversion will cause decomposition?
+static wxMBConv_cf wxConvMacUTF8DObj(wxFONTENCODING_UTF8);
+#endif
+
+WXDLLIMPEXP_DATA_BASE(wxMBConv *) wxConvFileName =
+#ifdef __DARWIN__
+ &wxConvMacUTF8DObj;
+#else // !__DARWIN__
+ wxGet_wxConvLibcPtr();
+#endif // __DARWIN__/!__DARWIN__
+
#else // !wxUSE_WCHAR_T
+// FIXME-UTF8: remove this, wxUSE_WCHAR_T is required now
// stand-ins in absence of wchar_t
WXDLLIMPEXP_DATA_BASE(wxMBConv) wxConvLibc,
wxConvISO8859_1,
projects / wxWidgets.git / blobdiff