#define wxHAVE_WIN32_MB2WC
#endif
-#ifdef __SALFORDC__
- #include <clib.h>
-#endif
-
#ifdef HAVE_ICONV
#include <iconv.h>
#include "wx/thread.h"
#include "wx/fontmap.h"
#ifdef __DARWIN__
-#include <CoreFoundation/CFString.h>
-#include <CoreFoundation/CFStringEncodingExt.h>
-
-#include "wx/mac/corefoundation/cfref.h"
+#include "wx/osx/core/private/strconv_cf.h"
#endif //def __DARWIN__
-#ifdef __WXMAC__
-#ifndef __DARWIN__
-#include <ATSUnicode.h>
-#include <TextCommon.h>
-#include <TextEncodingConverter.h>
-#endif
-
-// includes Mac headers
-#include "wx/mac/private.h"
-#endif
-
-#define TRACE_STRCONV _T("strconv")
+#define TRACE_STRCONV wxT("strconv")
// WC_UTF16 is defined only if sizeof(wchar_t) == 2, otherwise it's supposed to
// be 4 bytes
{
wxUint32 out;
const size_t
- n = decode_utf16(wx_reinterpret_cast(const wxUint16 *, *pSrc), out);
+ n = decode_utf16(reinterpret_cast<const wxUint16 *>(*pSrc), out);
if ( n == wxCONV_FAILED )
*pSrc = NULL;
else
const char *src, size_t srcLen) const
{
// although new conversion classes are supposed to implement this function
- // directly, the existins ones only implement the old MB2WC() and so, to
+ // directly, the existing ones only implement the old MB2WC() and so, to
// avoid to have to rewrite all conversion classes at once, we provide a
// default (but not efficient) implementation of this one in terms of the
// old function by copying the input to ensure that it's NUL-terminated and
// then using MB2WC() to convert it
+ //
+ // moreover, some conversion classes simply can't implement ToWChar()
+ // directly, the primary example is wxConvLibc: mbstowcs() only handles
+ // NUL-terminated strings
// the number of chars [which would be] written to dst [if it were not NULL]
size_t dstWritten = 0;
srcEnd = NULL;
}
+ // the idea of this code is straightforward: it converts a NUL-terminated
+ // chunk of the string during each iteration and updates the output buffer
+ // with the result
+ //
+ // all the complication come from the fact that this function, for
+ // historical reasons, must behave in 2 subtly different ways when it's
+ // called with a fixed number of characters and when it's called for the
+ // entire NUL-terminated string: in the former case (srcEnd != NULL) we
+ // must count all characters we convert, NUL or not; but in the latter we
+ // do not count the trailing NUL -- but still count all the NULs inside the
+ // string
+ //
+ // so for the (simple) former case we just always count the trailing NUL,
+ // but for the latter we need to wait until we see if there is going to be
+ // another loop iteration and only count it then
for ( ;; )
{
// try to convert the current chunk
if ( lenChunk == wxCONV_FAILED )
return wxCONV_FAILED;
- lenChunk++; // for the L'\0' at the end of this chunk
-
dstWritten += lenChunk;
+ if ( !srcEnd )
+ dstWritten++;
- if ( lenChunk == 1 )
+ if ( !lenChunk )
{
// nothing left in the input string, conversion succeeded
break;
if ( dstWritten > dstLen )
return wxCONV_FAILED;
- if ( MB2WC(dst, src, lenChunk) == wxCONV_FAILED )
+ // +1 is for trailing NUL
+ if ( MB2WC(dst, src, lenChunk + 1) == wxCONV_FAILED )
return wxCONV_FAILED;
dst += lenChunk;
+ if ( !srcEnd )
+ dst++;
}
if ( !srcEnd )
{
// we convert just one chunk in this case as this is the entire
- // string anyhow
+ // string anyhow (and we don't count the trailing NUL in this case)
break;
}
- // advance the input pointer past the end of this chunk
+ // advance the input pointer past the end of this chunk: notice that we
+ // will always stop before srcEnd because we know that the chunk is
+ // always properly NUL-terminated
while ( NotAllNULs(src, nulLen) )
{
// notice that we must skip over multiple bytes here as we suppose
src += nulLen;
}
- src += nulLen; // skipping over its terminator as well
+ // if the buffer ends before this NUL, we shouldn't count it in our
+ // output so skip the code below
+ if ( src == srcEnd )
+ break;
+
+ // do count this terminator as it's inside the buffer we convert
+ dstWritten++;
+ if ( dst )
+ dst++;
+
+ src += nulLen; // skip the terminator itself
- // note that ">=" (and not just "==") is needed here as the terminator
- // we skipped just above could be inside or just after the buffer
- // delimited by inEnd
if ( src >= srcEnd )
break;
}
// the number of chars [which would be] written to dst [if it were not NULL]
size_t dstWritten = 0;
+ // if we don't know its length we have no choice but to assume that it is
+ // NUL-terminated (notice that it can still be NUL-terminated even if
+ // explicit length is given but it doesn't change our return value)
+ const bool isNulTerminated = srcLen == wxNO_LEN;
+
// make a copy of the input string unless it is already properly
// NUL-terminated
- //
- // if we don't know its length we have no choice but to assume that it is,
- // indeed, properly terminated
wxWCharBuffer bufTmp;
- if ( srcLen == wxNO_LEN )
+ if ( isNulTerminated )
{
srcLen = wxWcslen(src) + 1;
}
const size_t lenNul = GetMBNulLen();
for ( const wchar_t * const srcEnd = src + srcLen;
src < srcEnd;
- src += wxWcslen(src) + 1 /* skip L'\0' too */ )
+ src++ /* skip L'\0' too */ )
{
// try to convert the current chunk
size_t lenChunk = WC2MB(NULL, src, 0);
-
if ( lenChunk == wxCONV_FAILED )
return wxCONV_FAILED;
- lenChunk += lenNul;
dstWritten += lenChunk;
+ const wchar_t * const
+ chunkEnd = isNulTerminated ? srcEnd - 1 : src + wxWcslen(src);
+
+ // our return value accounts for the trailing NUL(s), unlike that of
+ // WC2MB(), however don't do it for the last NUL we artificially added
+ // ourselves above
+ if ( chunkEnd < srcEnd )
+ dstWritten += lenNul;
+
if ( dst )
{
if ( dstWritten > dstLen )
return wxCONV_FAILED;
- if ( WC2MB(dst, src, lenChunk) == wxCONV_FAILED )
+ // if we know that there is enough space in the destination buffer
+ // (because we accounted for lenNul in dstWritten above), we can
+ // convert directly in place -- but otherwise we need another
+ // temporary buffer to ensure that we don't overwrite the output
+ wxCharBuffer dstBuf;
+ char *dstTmp;
+ if ( chunkEnd == srcEnd )
+ {
+ dstBuf = wxCharBuffer(lenChunk + lenNul - 1);
+ dstTmp = dstBuf.data();
+ }
+ else
+ {
+ dstTmp = dst;
+ }
+
+ if ( WC2MB(dstTmp, src, lenChunk + lenNul) == wxCONV_FAILED )
return wxCONV_FAILED;
+ if ( dstTmp != dst )
+ {
+ // copy everything up to but excluding the terminating NUL(s)
+ // into the real output buffer
+ memcpy(dst, dstTmp, lenChunk);
+
+ // micro-optimization: if dstTmp != dst it means that chunkEnd
+ // == srcEnd and so we're done, no need to update anything below
+ break;
+ }
+
dst += lenChunk;
+ if ( chunkEnd < srcEnd )
+ dst += lenNul;
}
+
+ src = chunkEnd;
}
return dstWritten;
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] = L'\0';
if ( ToWChar(wbuf.data(), dstLen, inBuff, inLen) != wxCONV_FAILED )
{
if ( outLen )
{
*outLen = dstLen;
- if ( wbuf[dstLen - 1] == L'\0' )
+
+ // we also need to handle NUL-terminated input strings
+ // specially: for them the output is the length of the string
+ // excluding the trailing NUL, however if we're asked to
+ // convert a specific number of characters we return the length
+ // of the resulting output even if it's NUL-terminated
+ if ( inLen == wxNO_LEN )
(*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) )
+ if ( inLen == wxNO_LEN )
{
- // in this case the output is NUL-terminated and we're not
- // supposed to count NUL
+ // in this case both input and output are NUL-terminated
+ // and we're not supposed to count NUL
*outLen -= nulLen;
}
}
return wxCharBuffer();
}
+const wxWCharBuffer wxMBConv::cMB2WC(const wxScopedCharBuffer& buf) const
+{
+ const size_t srcLen = buf.length();
+ if ( srcLen )
+ {
+ const size_t dstLen = ToWChar(NULL, 0, buf, srcLen);
+ if ( dstLen != wxCONV_FAILED )
+ {
+ wxWCharBuffer wbuf(dstLen);
+ wbuf.data()[dstLen] = L'\0';
+ if ( ToWChar(wbuf.data(), dstLen, buf, srcLen) != wxCONV_FAILED )
+ return wbuf;
+ }
+ }
+
+ return wxWCharBuffer();
+}
+
+const wxCharBuffer wxMBConv::cWC2MB(const wxScopedWCharBuffer& wbuf) const
+{
+ const size_t srcLen = wbuf.length();
+ if ( srcLen )
+ {
+ const size_t dstLen = FromWChar(NULL, 0, wbuf, srcLen);
+ if ( dstLen != wxCONV_FAILED )
+ {
+ wxCharBuffer buf(dstLen);
+ buf.data()[dstLen] = '\0';
+ if ( FromWChar(buf.data(), dstLen, wbuf, srcLen) != wxCONV_FAILED )
+ return buf;
+ }
+ }
+
+ return wxCharBuffer();
+}
+
// ----------------------------------------------------------------------------
// wxMBConvLibc
// ----------------------------------------------------------------------------
wxConvBrokenFileNames::wxConvBrokenFileNames(const wxString& charset)
{
- if ( wxStricmp(charset, _T("UTF-8")) == 0 ||
- wxStricmp(charset, _T("UTF8")) == 0 )
+ if ( wxStricmp(charset, wxT("UTF-8")) == 0 ||
+ wxStricmp(charset, wxT("UTF8")) == 0 )
m_conv = new wxMBConvUTF8(wxMBConvUTF8::MAP_INVALID_UTF8_TO_PUA);
else
m_conv = new wxCSConv(charset);
// ----------------------------------------------------------------------------
// Implementation (C) 2004 Fredrik Roubert
+//
+// Changes to work in streaming mode (C) 2008 Vadim Zeitlin
//
// BASE64 decoding table
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
-size_t wxMBConvUTF7::MB2WC(wchar_t *buf, const char *psz, size_t n) const
+size_t wxMBConvUTF7::ToWChar(wchar_t *dst, size_t dstLen,
+ const char *src, size_t srcLen) const
{
+ DecoderState stateOrig,
+ *statePtr;
+ if ( srcLen == wxNO_LEN )
+ {
+ // convert the entire string, up to and including the trailing NUL
+ srcLen = strlen(src) + 1;
+
+ // when working on the entire strings we don't update nor use the shift
+ // state from the previous call
+ statePtr = &stateOrig;
+ }
+ else // when working with partial strings we do use the shift state
+ {
+ statePtr = const_cast<DecoderState *>(&m_stateDecoder);
+
+ // also save the old state to be able to rollback to it on error
+ stateOrig = m_stateDecoder;
+ }
+
+ // but to simplify the code below we use this variable in both cases
+ DecoderState& state = *statePtr;
+
+
+ // number of characters [which would have been] written to dst [if it were
+ // not NULL]
size_t len = 0;
- while ( *psz && (!buf || (len < n)) )
+ const char * const srcEnd = src + srcLen;
+
+ while ( (src < srcEnd) && (!dst || (len < dstLen)) )
{
- unsigned char cc = *psz++;
- if (cc != '+')
- {
- // plain ASCII char
- if (buf)
- *buf++ = cc;
- len++;
- }
- else if (*psz == '-')
- {
- // encoded plus sign
- if (buf)
- *buf++ = cc;
- len++;
- psz++;
- }
- else // start of BASE64 encoded string
+ const unsigned char cc = *src++;
+
+ if ( state.IsShifted() )
{
- bool lsb, ok;
- unsigned int d, l;
- for ( ok = lsb = false, d = 0, l = 0;
- (cc = utf7unb64[(unsigned char)*psz]) != 0xff;
- psz++ )
+ const unsigned char dc = utf7unb64[cc];
+ if ( dc == 0xff )
{
- d <<= 6;
- d += cc;
- for (l += 6; l >= 8; lsb = !lsb)
+ // end of encoded part, check that nothing was left: there can
+ // be up to 4 bits of 0 padding but nothing else (we also need
+ // to check isLSB as we count bits modulo 8 while a valid UTF-7
+ // encoded sequence must contain an integral number of UTF-16
+ // characters)
+ if ( state.isLSB || state.bit > 4 ||
+ (state.accum & ((1 << state.bit) - 1)) )
{
- unsigned char c = (unsigned char)((d >> (l -= 8)) % 256);
- if (lsb)
+ if ( !len )
+ state = stateOrig;
+
+ return wxCONV_FAILED;
+ }
+
+ state.ToDirect();
+
+ // re-parse this character normally below unless it's '-' which
+ // is consumed by the decoder
+ if ( cc == '-' )
+ continue;
+ }
+ else // valid encoded character
+ {
+ // mini base64 decoder: each character is 6 bits
+ state.bit += 6;
+ state.accum <<= 6;
+ state.accum += dc;
+
+ if ( state.bit >= 8 )
+ {
+ // got the full byte, consume it
+ state.bit -= 8;
+ unsigned char b = (state.accum >> state.bit) & 0x00ff;
+
+ if ( state.isLSB )
{
- if (buf)
- *buf++ |= c;
- len ++;
+ // we've got the full word, output it
+ if ( dst )
+ *dst++ = (state.msb << 8) | b;
+ len++;
+ state.isLSB = false;
}
- else
+ else // MSB
{
- if (buf)
- *buf = (wchar_t)(c << 8);
+ // just store it while we wait for LSB
+ state.msb = b;
+ state.isLSB = true;
}
-
- ok = true;
}
}
+ }
- if ( !ok )
+ if ( state.IsDirect() )
+ {
+ // start of an encoded segment?
+ if ( cc == '+' )
{
- // in valid UTF7 we should have valid characters after '+'
- return wxCONV_FAILED;
+ if ( *src == '-' )
+ {
+ // just the encoded plus sign, don't switch to shifted mode
+ if ( dst )
+ *dst++ = '+';
+ len++;
+ src++;
+ }
+ else if ( utf7unb64[(unsigned)*src] == 0xff )
+ {
+ // empty encoded chunks are not allowed
+ if ( !len )
+ state = stateOrig;
+
+ return wxCONV_FAILED;
+ }
+ else // base-64 encoded chunk follows
+ {
+ state.ToShifted();
+ }
}
+ else // not '+'
+ {
+ // only printable 7 bit ASCII characters (with the exception of
+ // NUL, TAB, CR and LF) can be used directly
+ if ( cc >= 0x7f || (cc < ' ' &&
+ !(cc == '\0' || cc == '\t' || cc == '\r' || cc == '\n')) )
+ return wxCONV_FAILED;
- if (*psz == '-')
- psz++;
+ if ( dst )
+ *dst++ = cc;
+ len++;
+ }
}
}
- if ( buf && (len < n) )
- *buf = '\0';
+ if ( !len )
+ {
+ // as we didn't read any characters we should be called with the same
+ // data (followed by some more new data) again later so don't save our
+ // state
+ state = stateOrig;
+
+ return wxCONV_FAILED;
+ }
return len;
}
//
static const unsigned char utf7encode[128] =
{
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 3, 3, 2, 3, 3,
+ 0, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 3, 3, 2, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
2, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 3, 0, 0, 0, 3,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 3, 3
};
-size_t wxMBConvUTF7::WC2MB(char *buf, const wchar_t *psz, size_t n) const
+static inline bool wxIsUTF7Direct(wchar_t wc)
+{
+ return wc < 0x80 && utf7encode[wc] < 1;
+}
+
+size_t wxMBConvUTF7::FromWChar(char *dst, size_t dstLen,
+ const wchar_t *src, size_t srcLen) const
{
+ EncoderState stateOrig,
+ *statePtr;
+ if ( srcLen == wxNO_LEN )
+ {
+ // we don't apply the stored state when operating on entire strings at
+ // once
+ statePtr = &stateOrig;
+
+ srcLen = wxWcslen(src) + 1;
+ }
+ else // do use the mode we left the output in previously
+ {
+ stateOrig = m_stateEncoder;
+ statePtr = const_cast<EncoderState *>(&m_stateEncoder);
+ }
+
+ EncoderState& state = *statePtr;
+
+
size_t len = 0;
- while (*psz && ((!buf) || (len < n)))
+ const wchar_t * const srcEnd = src + srcLen;
+ while ( src < srcEnd && (!dst || len < dstLen) )
{
- wchar_t cc = *psz++;
- if (cc < 0x80 && utf7encode[cc] < 1)
+ wchar_t cc = *src++;
+ if ( wxIsUTF7Direct(cc) )
{
- // plain ASCII char
- if (buf)
- *buf++ = (char)cc;
+ if ( state.IsShifted() )
+ {
+ // pad with zeros the last encoded block if necessary
+ if ( state.bit )
+ {
+ if ( dst )
+ *dst++ = utf7enb64[((state.accum % 16) << (6 - state.bit)) % 64];
+ len++;
+ }
+
+ state.ToDirect();
+ if ( dst )
+ *dst++ = '-';
+ len++;
+ }
+
+ if ( dst )
+ *dst++ = (char)cc;
len++;
}
+ else if ( cc == '+' && state.IsDirect() )
+ {
+ if ( dst )
+ {
+ *dst++ = '+';
+ *dst++ = '-';
+ }
+
+ len += 2;
+ }
#ifndef WC_UTF16
else if (((wxUint32)cc) > 0xffff)
{
#endif
else
{
- if (buf)
- *buf++ = '+';
+ if ( state.IsDirect() )
+ {
+ state.ToShifted();
- len++;
- if (cc != '+')
+ if ( dst )
+ *dst++ = '+';
+ len++;
+ }
+
+ // BASE64 encode string
+ for ( ;; )
{
- // BASE64 encode string
- unsigned int lsb, d, l;
- for (d = 0, l = 0; /*nothing*/; psz++)
+ for ( unsigned lsb = 0; lsb < 2; lsb++ )
{
- for (lsb = 0; lsb < 2; lsb ++)
- {
- d <<= 8;
- d += lsb ? cc & 0xff : (cc & 0xff00) >> 8;
+ state.accum <<= 8;
+ state.accum += lsb ? cc & 0xff : (cc & 0xff00) >> 8;
- for (l += 8; l >= 6; )
- {
- l -= 6;
- if (buf)
- *buf++ = utf7enb64[(d >> l) % 64];
- len++;
- }
+ for (state.bit += 8; state.bit >= 6; )
+ {
+ state.bit -= 6;
+ if ( dst )
+ *dst++ = utf7enb64[(state.accum >> state.bit) % 64];
+ len++;
}
-
- cc = *psz;
- if (!(cc) || (cc < 0x80 && utf7encode[cc] < 1))
- break;
}
- if (l != 0)
- {
- if (buf)
- *buf++ = utf7enb64[((d % 16) << (6 - l)) % 64];
+ if ( src == srcEnd || wxIsUTF7Direct(cc = *src) )
+ break;
- len++;
- }
+ src++;
}
-
- if (buf)
- *buf++ = '-';
- len++;
}
}
- if (buf && (len < n))
- *buf = 0;
+ // we need to restore the original encoder state if we were called just to
+ // calculate the amount of space needed as we will presumably be called
+ // again to really convert the data now
+ if ( !dst )
+ state = stateOrig;
return len;
}
// 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
{
- size_t len = 0;
+ wchar_t *out = dstLen ? dst : NULL;
+ size_t written = 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++)
- fc <<= 1;
+ if ( srcLen == wxNO_LEN )
+ srcLen = strlen(src) + 1;
- if (!cnt)
+ for ( const char *p = src; ; p++ )
+ {
+ if ( !(srcLen == wxNO_LEN ? *p : srcLen) )
{
- // plain ASCII char
- if (buf)
- *buf++ = cc;
- len++;
-
- // escape the escape character for octal escapes
- if ((m_options & MAP_INVALID_UTF8_TO_OCTAL)
- && cc == '\\' && (!buf || len < n))
+ // all done successfully, just add the trailing NULL if we are not
+ // using explicit length
+ if ( srcLen == wxNO_LEN )
{
- if (buf)
- *buf++ = cc;
- 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
{
- cnt--;
- if (!cnt)
+ 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 )
{
- // invalid UTF-8 sequence
- invalid = true;
+ c = *++p;
+ if ( (c & 0xC0) != 0x80 )
+ return wxCONV_FAILED;
+
+ code <<= 6;
+ code |= c & 0x3F;
}
- else
+ }
+
+#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 )
{
- unsigned ocnt = cnt - 1;
- wxUint32 res = cc & (0x3f >> cnt);
- while (cnt--)
+ if ( out )
{
- cc = *psz;
- if ((cc & 0xC0) != 0x80)
- {
- // invalid UTF-8 sequence
- invalid = true;
+ if ( !dstLen )
break;
- }
- psz++;
- res = (res << 6) | (cc & 0x3f);
+ *out = '\0';
}
- if (invalid || res <= utf8_max[ocnt])
- {
- // illegal UTF-8 encoding
- invalid = true;
+ written++;
+ }
+
+ return written;
+ }
+
+ if ( srcLen != wxNO_LEN )
+ srcLen--;
+
+ 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( wxT("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 ((srcLen == wxNO_LEN ? *psz : srcLen--) && ((!buf) || (len < n)))
+ {
+ const char *opsz = psz;
+ bool invalid = false;
+ unsigned char cc = *psz++, fc = cc;
+ unsigned cnt;
+ for (cnt = 0; fc & 0x80; cnt++)
+ fc <<= 1;
+
+ if (!cnt)
+ {
+ // plain ASCII char
+ 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
+ {
+ cnt--;
+ if (!cnt)
+ {
+ // invalid UTF-8 sequence
+ invalid = true;
+ }
+ else
+ {
+ unsigned ocnt = cnt - 1;
+ wxUint32 res = cc & (0x3f >> cnt);
+ while (cnt--)
+ {
+ cc = *psz;
+ if ((cc & 0xC0) != 0x80)
+ {
+ // invalid UTF-8 sequence
+ invalid = true;
+ break;
+ }
+
+ psz++;
+ res = (res << 6) | (cc & 0x3f);
+ }
+
+ if (invalid || res <= utf8_max[ocnt])
+ {
+ // illegal UTF-8 encoding
+ invalid = true;
}
else if ((m_options & MAP_INVALID_UTF8_TO_PUA) &&
res >= wxUnicodePUA && res < wxUnicodePUAEnd)
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;
}
// ============================================================================
if ( srcLen == wxNO_LEN )
{
// count the number of bytes in input, including the trailing NULs
- const wxUint16 *inBuff = wx_reinterpret_cast(const wxUint16 *, src);
+ const wxUint16 *inBuff = reinterpret_cast<const wxUint16 *>(src);
for ( srcLen = 1; *inBuff++; srcLen++ )
;
if ( dstLen < srcLen )
return wxCONV_FAILED;
- const wxUint16 *inBuff = wx_reinterpret_cast(const wxUint16 *, src);
+ const wxUint16 *inBuff = reinterpret_cast<const wxUint16 *>(src);
for ( size_t n = 0; n < srcLen; n++, inBuff++ )
{
*dst++ = wxUINT16_SWAP_ALWAYS(*inBuff);
if ( dstLen < srcLen )
return wxCONV_FAILED;
- wxUint16 *outBuff = wx_reinterpret_cast(wxUint16 *, dst);
+ wxUint16 *outBuff = reinterpret_cast<wxUint16 *>(dst);
for ( size_t n = 0; n < srcLen; n += BYTES_PER_CHAR, src++ )
{
*outBuff++ = wxUINT16_SWAP_ALWAYS(*src);
}
size_t outLen = 0;
- const wxUint16 *inBuff = wx_reinterpret_cast(const wxUint16 *, src);
+ const wxUint16 *inBuff = reinterpret_cast<const wxUint16 *>(src);
for ( const wxUint16 * const inEnd = inBuff + inLen; inBuff < inEnd; )
{
const wxUint32 ch = wxDecodeSurrogate(&inBuff);
srcLen = wxWcslen(src) + 1;
size_t outLen = 0;
- wxUint16 *outBuff = wx_reinterpret_cast(wxUint16 *, dst);
+ wxUint16 *outBuff = reinterpret_cast<wxUint16 *>(dst);
for ( size_t n = 0; n < srcLen; n++ )
{
wxUint16 cc[2];
}
size_t outLen = 0;
- const wxUint16 *inBuff = wx_reinterpret_cast(const wxUint16 *, src);
+ const wxUint16 *inBuff = reinterpret_cast<const wxUint16 *>(src);
for ( const wxUint16 * const inEnd = inBuff + inLen; inBuff < inEnd; )
{
wxUint32 ch;
srcLen = wxWcslen(src) + 1;
size_t outLen = 0;
- wxUint16 *outBuff = wx_reinterpret_cast(wxUint16 *, dst);
+ wxUint16 *outBuff = reinterpret_cast<wxUint16 *>(dst);
for ( const wchar_t *srcEnd = src + srcLen; src < srcEnd; src++ )
{
wxUint16 cc[2];
if ( srcLen == wxNO_LEN )
{
// count the number of bytes in input, including the trailing NULs
- const wxUint32 *inBuff = wx_reinterpret_cast(const wxUint32 *, src);
+ const wxUint32 *inBuff = reinterpret_cast<const wxUint32 *>(src);
for ( srcLen = 1; *inBuff++; srcLen++ )
;
if ( srcLen == wxNO_LEN )
return wxCONV_FAILED;
- const wxUint32 *inBuff = wx_reinterpret_cast(const wxUint32 *, src);
+ const wxUint32 *inBuff = reinterpret_cast<const wxUint32 *>(src);
const size_t inLen = srcLen / BYTES_PER_CHAR;
size_t outLen = 0;
for ( size_t n = 0; n < inLen; n++ )
return srcLen * BYTES_PER_CHAR;
}
- wxUint32 *outBuff = wx_reinterpret_cast(wxUint32 *, dst);
+ wxUint32 *outBuff = reinterpret_cast<wxUint32 *>(dst);
size_t outLen = 0;
for ( const wchar_t * const srcEnd = src + srcLen; src < srcEnd; )
{
if ( srcLen == wxNO_LEN )
return wxCONV_FAILED;
- const wxUint32 *inBuff = wx_reinterpret_cast(const wxUint32 *, src);
+ const wxUint32 *inBuff = reinterpret_cast<const wxUint32 *>(src);
const size_t inLen = srcLen / BYTES_PER_CHAR;
size_t outLen = 0;
for ( size_t n = 0; n < inLen; n++, inBuff++ )
return srcLen*BYTES_PER_CHAR;
}
- wxUint32 *outBuff = wx_reinterpret_cast(wxUint32 *, dst);
+ wxUint32 *outBuff = reinterpret_cast<wxUint32 *>(dst);
size_t outLen = 0;
for ( const wchar_t * const srcEnd = src + srcLen; src < srcEnd; )
{
if ( dstLen < srcLen )
return wxCONV_FAILED;
- const wxUint32 *inBuff = wx_reinterpret_cast(const wxUint32 *, src);
+ const wxUint32 *inBuff = reinterpret_cast<const wxUint32 *>(src);
for ( size_t n = 0; n < srcLen; n++, inBuff++ )
{
*dst++ = wxUINT32_SWAP_ALWAYS(*inBuff);
if ( dstLen < srcLen )
return wxCONV_FAILED;
- wxUint32 *outBuff = wx_reinterpret_cast(wxUint32 *, dst);
+ wxUint32 *outBuff = reinterpret_cast<wxUint32 *>(dst);
for ( size_t n = 0; n < srcLen; n += BYTES_PER_CHAR, src++ )
{
*outBuff++ = wxUINT32_SWAP_ALWAYS(*src);
wxMBConv_iconv(const char *name);
virtual ~wxMBConv_iconv();
- 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;
-
- // classify this encoding as explained in wxMBConv::GetMBNulLen() comment
+ // implement base class virtual methods
+ virtual size_t ToWChar(wchar_t *dst, size_t dstLen,
+ const char *src, size_t srcLen = wxNO_LEN) const;
+ virtual size_t FromWChar(char *dst, size_t dstLen,
+ const wchar_t *src, size_t srcLen = wxNO_LEN) const;
virtual size_t GetMBNulLen() const;
#if wxUSE_UNICODE_UTF8
// check for charset that represents wchar_t:
if ( ms_wcCharsetName.empty() )
{
- wxLogTrace(TRACE_STRCONV, _T("Looking for wide char codeset:"));
+ wxLogTrace(TRACE_STRCONV, wxT("Looking for wide char codeset:"));
#if wxUSE_FONTMAP
- const wxChar **names = wxFontMapperBase::GetAllEncodingNames(WC_ENC);
+ const wxChar *const *names = wxFontMapperBase::GetAllEncodingNames(WC_ENC);
#else // !wxUSE_FONTMAP
- static const wxChar *names_static[] =
+ static const wxChar *const names_static[] =
{
#if SIZEOF_WCHAR_T == 4
- _T("UCS-4"),
+ wxT("UCS-4"),
#elif SIZEOF_WCHAR_T = 2
- _T("UCS-2"),
+ wxT("UCS-2"),
#endif
NULL
};
- const wxChar **names = names_static;
+ const wxChar *const *names = names_static;
#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
for ( ; *names && ms_wcCharsetName.empty(); ++names )
wxString nameXE(nameCS);
#ifdef WORDS_BIGENDIAN
- nameXE += _T("BE");
+ nameXE += wxT("BE");
#else // little endian
- nameXE += _T("LE");
+ nameXE += wxT("LE");
#endif
- wxLogTrace(TRACE_STRCONV, _T(" trying charset \"%s\""),
+ wxLogTrace(TRACE_STRCONV, wxT(" trying charset \"%s\""),
nameXE.c_str());
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\""),
+ wxLogTrace(TRACE_STRCONV, wxT(" trying charset \"%s\""),
nameCS.c_str());
m2w = iconv_open(nameCS.ToAscii(), name);
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))
{
wxT("iconv wchar_t charset is \"%s\"%s"),
ms_wcCharsetName.empty() ? wxString("<none>")
: ms_wcCharsetName,
- ms_wcNeedsSwap ? _T(" (needs swap)")
- : _T(""));
+ ms_wcNeedsSwap ? wxT(" (needs swap)")
+ : wxT(""));
}
else // we already have ms_wcCharsetName
{
iconv_close(w2m);
}
-size_t wxMBConv_iconv::MB2WC(wchar_t *buf, const char *psz, size_t n) const
+size_t
+wxMBConv_iconv::ToWChar(wchar_t *dst, size_t dstLen,
+ const char *src, size_t srcLen) const
{
- // find the string length: notice that must be done differently for
- // NUL-terminated strings and UTF-16/32 which are terminated with 2/4 NULs
- size_t inbuf;
- const size_t nulLen = GetMBNulLen();
- switch ( nulLen )
+ if ( srcLen == wxNO_LEN )
{
- default:
- return wxCONV_FAILED;
+ // find the string length: notice that must be done differently for
+ // NUL-terminated strings and UTF-16/32 which are terminated with 2/4
+ // consecutive NULs
+ const size_t nulLen = GetMBNulLen();
+ switch ( nulLen )
+ {
+ default:
+ return wxCONV_FAILED;
- case 1:
- inbuf = strlen(psz); // arguably more optimized than our version
- break;
+ case 1:
+ srcLen = strlen(src); // arguably more optimized than our version
+ break;
- case 2:
- case 4:
- // for UTF-16/32 not only we need to have 2/4 consecutive NULs but
- // they also have to start at character boundary and not span two
- // adjacent characters
- const char *p;
- for ( p = psz; NotAllNULs(p, nulLen); p += nulLen )
- ;
- inbuf = p - psz;
- break;
+ case 2:
+ case 4:
+ // for UTF-16/32 not only we need to have 2/4 consecutive NULs
+ // but they also have to start at character boundary and not
+ // span two adjacent characters
+ const char *p;
+ for ( p = src; NotAllNULs(p, nulLen); p += nulLen )
+ ;
+ srcLen = p - src;
+ break;
+ }
+
+ // when we're determining the length of the string ourselves we count
+ // the terminating NUL(s) as part of it and always NUL-terminate the
+ // output
+ srcLen += nulLen;
}
+ // we express length in the number of (wide) characters but iconv always
+ // counts buffer sizes it in bytes
+ dstLen *= SIZEOF_WCHAR_T;
+
#if wxUSE_THREADS
// NB: iconv() is MT-safe, but each thread must use its own iconv_t handle.
// Unfortunately there are a couple of global wxCSConv objects such as
wxMutexLocker lock(wxConstCast(this, wxMBConv_iconv)->m_iconvMutex);
#endif // wxUSE_THREADS
- 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;
+ const char *pszPtr = src;
- if (buf)
+ if ( dst )
{
+ char* bufPtr = (char*)dst;
+
// have destination buffer, convert there
+ size_t dstLenOrig = dstLen;
cres = iconv(m2w,
- ICONV_CHAR_CAST(&pszPtr), &inbuf,
- (char**)&bufPtr, &outbuf);
- res = n - (outbuf / SIZEOF_WCHAR_T);
+ ICONV_CHAR_CAST(&pszPtr), &srcLen,
+ &bufPtr, &dstLen);
+
+ // convert the number of bytes converted as returned by iconv to the
+ // number of (wide) characters converted that we need
+ res = (dstLenOrig - dstLen) / SIZEOF_WCHAR_T;
if (ms_wcNeedsSwap)
{
// convert to native endianness
for ( unsigned i = 0; i < res; i++ )
- buf[n] = WC_BSWAP(buf[i]);
+ dst[i] = WC_BSWAP(dst[i]);
}
-
- // NUL-terminate the string if there is any space left
- if (res < n)
- buf[res] = 0;
}
- else
+ else // no destination buffer
{
- // no destination buffer... convert using temp buffer
- // to calculate destination buffer requirement
- wchar_t tbuf[8];
+ // convert using temp buffer to calculate the size of the buffer needed
+ wchar_t tbuf[256];
res = 0;
do
{
- bufPtr = tbuf;
- outbuf = 8 * SIZEOF_WCHAR_T;
+ char* bufPtr = (char*)tbuf;
+ dstLen = 8 * SIZEOF_WCHAR_T;
cres = iconv(m2w,
- ICONV_CHAR_CAST(&pszPtr), &inbuf,
- (char**)&bufPtr, &outbuf );
+ ICONV_CHAR_CAST(&pszPtr), &srcLen,
+ &bufPtr, &dstLen );
- res += 8 - (outbuf / SIZEOF_WCHAR_T);
+ res += 8 - (dstLen / SIZEOF_WCHAR_T);
}
while ((cres == (size_t)-1) && (errno == E2BIG));
}
- if (ICONV_FAILED(cres, inbuf))
+ if (ICONV_FAILED(cres, srcLen))
{
//VS: it is ok if iconv fails, hence trace only
wxLogTrace(TRACE_STRCONV, wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
return res;
}
-size_t wxMBConv_iconv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
+size_t wxMBConv_iconv::FromWChar(char *dst, size_t dstLen,
+ const wchar_t *src, size_t srcLen) const
{
#if wxUSE_THREADS
// NB: explained in MB2WC
wxMutexLocker lock(wxConstCast(this, wxMBConv_iconv)->m_iconvMutex);
#endif
- size_t inlen = wxWcslen(psz);
- size_t inbuf = inlen * SIZEOF_WCHAR_T;
- size_t outbuf = n;
+ if ( srcLen == wxNO_LEN )
+ srcLen = wxWcslen(src) + 1;
+
+ size_t inbuflen = srcLen * SIZEOF_WCHAR_T;
+ size_t outbuflen = dstLen;
size_t res, cres;
wchar_t *tmpbuf = 0;
if (ms_wcNeedsSwap)
{
// need to copy to temp buffer to switch endianness
- // (doing WC_BSWAP twice on the original buffer won't help, as it
+ // (doing WC_BSWAP twice on the original buffer won't work, as it
// could be in read-only memory, or be accessed in some other thread)
- tmpbuf = (wchar_t *)malloc(inbuf + SIZEOF_WCHAR_T);
- for ( size_t i = 0; i < inlen; i++ )
- tmpbuf[n] = WC_BSWAP(psz[i]);
+ tmpbuf = (wchar_t *)malloc(inbuflen);
+ for ( size_t i = 0; i < srcLen; i++ )
+ tmpbuf[i] = WC_BSWAP(src[i]);
- tmpbuf[inlen] = L'\0';
- psz = tmpbuf;
+ src = tmpbuf;
}
- if (buf)
+ char* inbuf = (char*)src;
+ if ( dst )
{
// have destination buffer, convert there
- cres = iconv( w2m, ICONV_CHAR_CAST(&psz), &inbuf, &buf, &outbuf );
-
- res = n - outbuf;
+ cres = iconv(w2m, ICONV_CHAR_CAST(&inbuf), &inbuflen, &dst, &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
- // if there's some room left for it in the output buffer.
- if (res < n)
- buf[0] = 0;
+ res = dstLen - outbuflen;
}
- else
+ else // no destination buffer
{
- // no destination buffer: convert using temp buffer
- // to calculate destination buffer requirement
- char tbuf[16];
+ // convert using temp buffer to calculate the size of the buffer needed
+ char tbuf[256];
res = 0;
do
{
- buf = tbuf;
- outbuf = 16;
+ dst = tbuf;
+ outbuflen = WXSIZEOF(tbuf);
- cres = iconv( w2m, ICONV_CHAR_CAST(&psz), &inbuf, &buf, &outbuf );
+ cres = iconv(w2m, ICONV_CHAR_CAST(&inbuf), &inbuflen, &dst, &outbuflen);
- res += 16 - outbuf;
+ res += WXSIZEOF(tbuf) - 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;
// 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 - 1;
- }
-
- virtual 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);
- BOOL *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;
- }
-
- const size_t len = ::WideCharToMultiByte
- (
- m_CodePage, // code page
- 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
- pUsedDef // [out] was it used?
- );
-
- if ( !len )
- {
- // function totally failed
- return wxCONV_FAILED;
- }
-
- // 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 wxCONV_FAILED;
- }
- else // we must resort to double tripping...
- {
- 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;
- }
- }
- }
-
- // see the comment above for the reason of "len - 1"
- return len - 1;
- }
-
- virtual size_t GetMBNulLen() const
- {
- if ( m_minMBCharWidth == 0 )
- {
- int len = ::WideCharToMultiByte
- (
- m_CodePage, // code page
- 0, // no flags
- L"", // input string
- 1, // translate just the NUL
- NULL, // output buffer
- 0, // and its size
- NULL, // no replacement char
- NULL // [out] don't care if it was used
- );
-
- wxMBConv_win32 * const self = wxConstCast(this, wxMBConv_win32);
- switch ( len )
- {
- default:
- wxLogDebug(_T("Unexpected NUL length %d"), len);
- self->m_minMBCharWidth = (size_t)-1;
- break;
-
- case 0:
- self->m_minMBCharWidth = (size_t)-1;
- break;
-
- case 1:
- case 2:
- case 4:
- self->m_minMBCharWidth = len;
- break;
- }
- }
-
- return m_minMBCharWidth;
- }
-
- virtual wxMBConv *Clone() const { return new wxMBConv_win32(*this); }
-
- 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 wxOS_WINDOWS_9X:
- s_isWin98Or2k = verMaj >= 4 && verMin >= 10;
- break;
-
- case wxOS_WINDOWS_NT:
- s_isWin98Or2k = verMaj >= 5;
- break;
-
- default:
- // unknown: be conservative by default
- s_isWin98Or2k = 0;
- break;
- }
-
- wxASSERT_MSG( s_isWin98Or2k != -1, _T("should be set above") );
- }
-
- return s_isWin98Or2k == 1;
- }
-
- static bool IsAtLeastWin2kSP4()
- {
-#ifdef __WXWINCE__
- return false;
-#else
- static int s_isAtLeastWin2kSP4 = -1;
-
- if ( s_isAtLeastWin2kSP4 == -1 )
- {
- OSVERSIONINFOEX ver;
-
- memset(&ver, 0, sizeof(ver));
- ver.dwOSVersionInfoSize = sizeof(ver);
- GetVersionEx((OSVERSIONINFO*)&ver);
-
- s_isAtLeastWin2kSP4 =
- ((ver.dwMajorVersion > 5) || // Vista+
- (ver.dwMajorVersion == 5 && ver.dwMinorVersion > 0) || // XP/2003
- (ver.dwMajorVersion == 5 && ver.dwMinorVersion == 0 &&
- ver.wServicePackMajor >= 4)) // 2000 SP4+
- ? 1 : 0;
- }
-
- return s_isAtLeastWin2kSP4 == 1;
-#endif
- }
-
-
- // the code page we're working with
- long m_CodePage;
-
- // cached result of GetMBNulLen(), set to 0 initially meaning
- // "unknown"
- size_t m_minMBCharWidth;
-};
-
-#endif // wxHAVE_WIN32_MB2WC
-
-// ============================================================================
-// CoreFoundation conversion classes
-// ============================================================================
-
-#ifdef __DARWIN__
-
-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 ;
-/* Don't support conversion to/from UTF16 as wxWidgets can do this better.
- * In particular, ToWChar would fail miserably using strlen on an input UTF16.
- 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 ;
-}
-
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
-// Provide a constant for the wchat_t encoding used by the host platform.
-#ifdef WORDS_BIGENDIAN
- static const CFStringEncoding wxCFStringEncodingWcharT = kCFStringEncodingUTF32BE;
-#else
- static const CFStringEncoding wxCFStringEncodingWcharT = kCFStringEncodingUTF32LE;
-#endif
-
-#endif /* MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 */
-
-class wxMBConv_cf : public wxMBConv
-{
-public:
- wxMBConv_cf()
- {
- Init(CFStringGetSystemEncoding()) ;
- }
-
- wxMBConv_cf(const wxMBConv_cf& conv)
- {
- m_encoding = conv.m_encoding;
- }
-
-#if wxUSE_FONTMAP
- wxMBConv_cf(const char* name)
- {
- Init( wxCFStringEncFromFontEnc(wxFontMapperBase::Get()->CharsetToEncoding(name, false) ) ) ;
- }
-#endif
-
- wxMBConv_cf(wxFontEncoding encoding)
- {
- Init( wxCFStringEncFromFontEnc(encoding) );
- }
-
- virtual ~wxMBConv_cf()
- {
- }
-
- void Init( CFStringEncoding encoding)
- {
- m_encoding = encoding ;
- }
-
- virtual size_t ToWChar(wchar_t * dst, size_t dstSize, const char * src, size_t srcSize = wxNO_LEN) const
- {
- wxCHECK(src, wxCONV_FAILED);
-
- /* NOTE: This is wrong if the source encoding has an element size
- * other than char (e.g. it's kCFStringEncodingUnicode)
- * If the user specifies it, it's presumably right though.
- * Right now we don't support UTF-16 in anyway since wx can do a better job.
- */
- if(srcSize == wxNO_LEN)
- srcSize = strlen(src) + 1;
-
- // First create the temporary CFString
- wxCFRef<CFStringRef> theString( CFStringCreateWithBytes (
- NULL, //the allocator
- (const UInt8*)src,
- srcSize,
- m_encoding,
- false //no BOM/external representation
- ));
-
- wxCHECK(theString != NULL, wxCONV_FAILED);
-
- /* NOTE: The string content includes the NULL element if the source string did
- * That means we have to do nothing special because the destination will have
- * the NULL element iff the source did and the NULL element will be included
- * in the count iff it was included in the source count.
- */
-
-
-/* If we're compiling against Tiger headers we can support direct conversion
- * to UTF32. If we are then run against a pre-Tiger system, the encoding
- * won't be available so we'll defer to the string->UTF-16->UTF-32 conversion.
- */
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
- if(CFStringIsEncodingAvailable(wxCFStringEncodingWcharT))
- {
- CFRange fullStringRange = CFRangeMake(0, CFStringGetLength(theString));
- CFIndex usedBufLen;
-
- CFIndex charsConverted = CFStringGetBytes(
- theString,
- fullStringRange,
- wxCFStringEncodingWcharT,
- 0,
- false,
- // if dstSize is 0 then pass NULL to get required length in usedBufLen
- dstSize != 0?(UInt8*)dst:NULL,
- dstSize * sizeof(wchar_t),
- &usedBufLen);
-
- // charsConverted is > 0 iff conversion succeeded
- if(charsConverted <= 0)
- return wxCONV_FAILED;
-
- /* usedBufLen is the number of bytes written, so we divide by
- * sizeof(wchar_t) to get the number of elements written.
- */
- wxASSERT( (usedBufLen % sizeof(wchar_t)) == 0 );
-
- // CFStringGetBytes does exactly the right thing when buffer
- // pointer is NULL and returns the number of bytes required
- return usedBufLen / sizeof(wchar_t);
- }
- else
-#endif /* MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 */
- {
- // NOTE: Includes NULL iff source did
- /* NOTE: This is an approximation. The eventual UTF-32 will
- * possibly have less elements but certainly not more.
- */
- size_t returnSize = CFStringGetLength(theString);
-
- if (dstSize == 0 || dst == NULL)
- {
- return returnSize;
- }
-
- // Convert the entire string.. too hard to figure out how many UTF-16 we'd need
- // for an undersized UTF-32 destination buffer.
- CFRange fullStringRange = CFRangeMake(0, CFStringGetLength(theString));
- UniChar *szUniCharBuffer = new UniChar[fullStringRange.length];
-
- CFStringGetCharacters(theString, fullStringRange, szUniCharBuffer);
-
- wxMBConvUTF16 converter;
- returnSize = converter.ToWChar( dst, dstSize, (const char*)szUniCharBuffer, fullStringRange.length );
- delete [] szUniCharBuffer;
-
- return returnSize;
- }
- // NOTREACHED
- }
-
- virtual size_t FromWChar(char *dst, size_t dstSize, const wchar_t *src, size_t srcSize) const
- {
- wxCHECK(src, wxCONV_FAILED);
-
- if(srcSize == wxNO_LEN)
- srcSize = wxStrlen(src) + 1;
-
- // Temporary CFString
- wxCFRef<CFStringRef> theString;
-
-/* If we're compiling against Tiger headers we can support direct conversion
- * from UTF32. If we are then run against a pre-Tiger system, the encoding
- * won't be available so we'll defer to the UTF-32->UTF-16->string conversion.
- */
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
- if(CFStringIsEncodingAvailable(wxCFStringEncodingWcharT))
- {
- theString = wxCFRef<CFStringRef>(CFStringCreateWithBytes(
- kCFAllocatorDefault,
- (UInt8*)src,
- srcSize * sizeof(wchar_t),
- wxCFStringEncodingWcharT,
- false));
- }
- else
-#endif /* MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4 */
- {
- wxMBConvUTF16 converter;
- size_t cbUniBuffer = converter.FromWChar( NULL, 0, src, srcSize );
- wxASSERT(cbUniBuffer % sizeof(UniChar));
-
- // Will be free'd by kCFAllocatorMalloc when CFString is released
- UniChar *tmpUniBuffer = (UniChar*)malloc(cbUniBuffer);
-
- cbUniBuffer = converter.FromWChar( (char*) tmpUniBuffer, cbUniBuffer, src, srcSize );
- wxASSERT(cbUniBuffer % sizeof(UniChar));
-
- theString = wxCFRef<CFStringRef>(CFStringCreateWithCharactersNoCopy(
- kCFAllocatorDefault,
- tmpUniBuffer,
- cbUniBuffer / sizeof(UniChar),
- kCFAllocatorMalloc
- ));
-
- }
-
- wxCHECK(theString != NULL, wxCONV_FAILED);
-
- CFIndex usedBufLen;
-
- CFIndex charsConverted = CFStringGetBytes(
- theString,
- CFRangeMake(0, CFStringGetLength(theString)),
- m_encoding,
- 0, // FAIL on unconvertible characters
- false, // not an external representation
- // if dstSize is 0 then pass NULL to get required length in usedBufLen
- (dstSize != 0)?(UInt8*)dst:NULL,
- dstSize,
- &usedBufLen
- );
-
- // charsConverted is > 0 iff conversion succeeded
- if(charsConverted <= 0)
- return wxCONV_FAILED;
-
- return usedBufLen;
- }
-
- virtual wxMBConv *Clone() const { return new wxMBConv_cf(*this); }
-
- bool IsOk() const
- {
- return m_encoding != kCFStringEncodingInvalidId &&
- CFStringIsEncodingAvailable(m_encoding);
- }
-
-private:
- CFStringEncoding m_encoding ;
-};
-
-#endif // __DARWIN__
-
-// ============================================================================
-// Mac conversion classes
-// ============================================================================
-
-/* Although we are in the base library we currently have this wxMac
- * conditional. This is not generally good but fortunately does not affect
- * the ABI of the base library, only what encodings might work.
- * It does mean that a wxBase built as part of wxMac has slightly more support
- * than one built for wxCocoa or even wxGtk.
- */
-#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 char* 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 ;
+ return len - 1;
}
- size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const
+ virtual size_t WC2MB(char *buf, const wchar_t *pwz, size_t n) const
{
- CreateIfNeeded() ;
- OSStatus status = noErr ;
- ByteCount byteOutLen ;
- ByteCount byteInLen = wxWcslen(psz) * SIZEOF_WCHAR_T ;
+ /*
+ 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
- char *tbuf = NULL ;
+ 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.
+ */
- if (buf == NULL)
+ // 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);
+ BOOL *pUsedDef;
+ int flags;
+ if ( CanUseNoBestFit() && m_CodePage < 50000 )
{
- // Apple specs say at least 32
- n = wxMax( 32, ((byteInLen / SIZEOF_WCHAR_T) * 8) + SIZEOF_WCHAR_T );
- tbuf = (char*) malloc( n ) ;
+ // it's our lucky day
+ flags = WC_NO_BEST_FIT_CHARS;
+ pUsedDef = &usedDef;
+ }
+ else // old system or unsupported encoding
+ {
+ flags = 0;
+ pUsedDef = NULL;
}
- 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
+ const size_t len = ::WideCharToMultiByte
+ (
+ m_CodePage, // code page
+ 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
+ pUsedDef // [out] was it used?
+ );
- if ( buf == NULL )
- free(tbuf) ;
+ if ( !len )
+ {
+ // function totally failed
+ return wxCONV_FAILED;
+ }
- size_t res = byteOutLen ;
- if ( buf && res < n)
+ // we did something, check if we really succeeded
+ 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...
{
- buf[res] = 0;
+ // 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 )
+ {
+ bufDef = wxCharBuffer(len);
+ buf = bufDef.data();
+ if ( !::WideCharToMultiByte(m_CodePage, flags, pwz, -1,
+ buf, len, NULL, NULL) )
+ return wxCONV_FAILED;
+ }
- //we need to double-trip to verify it didn't insert any ? in place
- //of bogus characters
+ if ( !n )
+ n = wcslen(pwz);
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 )
+ if ( MB2WC(wcBuf.data(), buf, n + 1) == 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 res ;
+ // see the comment above for the reason of "len - 1"
+ return len - 1;
}
- virtual wxMBConv *Clone() const { return new wxMBConv_mac(*this); }
-
- bool IsOk() const
+ virtual size_t GetMBNulLen() const
{
- CreateIfNeeded() ;
- return m_MB2WC_converter != NULL && m_WC2MB_converter != NULL;
- }
+ if ( m_minMBCharWidth == 0 )
+ {
+ int len = ::WideCharToMultiByte
+ (
+ m_CodePage, // code page
+ 0, // no flags
+ L"", // input string
+ 1, // translate just the NUL
+ NULL, // output buffer
+ 0, // and its size
+ NULL, // no replacement char
+ NULL // [out] don't care if it was used
+ );
-protected :
- mutable TECObjectRef m_MB2WC_converter;
- mutable TECObjectRef m_WC2MB_converter;
+ wxMBConv_win32 * const self = wxConstCast(this, wxMBConv_win32);
+ switch ( len )
+ {
+ default:
+ wxLogDebug(wxT("Unexpected NUL length %d"), len);
+ self->m_minMBCharWidth = (size_t)-1;
+ break;
- TextEncodingBase m_char_encoding;
- TextEncodingBase m_unicode_encoding;
-};
+ case 0:
+ self->m_minMBCharWidth = (size_t)-1;
+ break;
-// MB is decomposed (D) normalized UTF8
+ case 1:
+ case 2:
+ case 4:
+ self->m_minMBCharWidth = len;
+ break;
+ }
+ }
-class wxMBConv_macUTF8D : public wxMBConv_mac
-{
-public :
- wxMBConv_macUTF8D()
- {
- Init( kTextEncodingUnicodeDefault , kUnicodeNoSubset , kUnicodeUTF8Format ) ;
- m_uni = NULL;
- m_uniBack = NULL ;
+ return m_minMBCharWidth;
}
- virtual ~wxMBConv_macUTF8D()
- {
- if (m_uni!=NULL)
- DisposeUnicodeToTextInfo(&m_uni);
- if (m_uniBack!=NULL)
- DisposeUnicodeToTextInfo(&m_uniBack);
- }
+ virtual wxMBConv *Clone() const { return new wxMBConv_win32(*this); }
- 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 ;
+ bool IsOk() const { return m_CodePage != -1; }
- char *tbuf = NULL ;
+private:
+ static bool CanUseNoBestFit()
+ {
+ static int s_isWin98Or2k = -1;
- if (buf == NULL)
+ if ( s_isWin98Or2k == -1 )
{
- // 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 );
+ int verMaj, verMin;
+ switch ( wxGetOsVersion(&verMaj, &verMin) )
+ {
+ case wxOS_WINDOWS_9X:
+ s_isWin98Or2k = verMaj >= 4 && verMin >= 10;
+ break;
-#if SIZEOF_WCHAR_T == 4
- free( ubuf ) ;
-#endif
+ case wxOS_WINDOWS_NT:
+ s_isWin98Or2k = verMaj >= 5;
+ break;
- if ( buf == NULL )
- free(tbuf) ;
+ default:
+ // unknown: be conservative by default
+ s_isWin98Or2k = 0;
+ break;
+ }
- size_t res = byteOutLen ;
- if ( buf && res < n)
- {
- buf[res] = 0;
- // don't test for round-trip fidelity yet, we cannot guarantee it yet
+ wxASSERT_MSG( s_isWin98Or2k != -1, wxT("should be set above") );
}
- return res ;
+ return s_isWin98Or2k == 1;
}
- size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const
+ static bool IsAtLeastWin2kSP4()
{
- 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 ) ;
+#ifdef __WXWINCE__
+ return false;
#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 ;
+ static int s_isAtLeastWin2kSP4 = -1;
- // now from the decomposed UniChar to properly composed uniChar
- ConvertFromUnicodeToText( m_uniBack , byteOutLen , dcubuf ,
- kUnicodeDefaultDirectionMask, 0, NULL, NULL, NULL, dcubuflen , &dcubufread , &dcubufwritten , ubuf ) ;
+ if ( s_isAtLeastWin2kSP4 == -1 )
+ {
+ OSVERSIONINFOEX ver;
- free( dcubuf );
- byteOutLen = dcubufwritten ;
- ubuf[byteOutLen / sizeof( UniChar ) ] = 0 ;
+ memset(&ver, 0, sizeof(ver));
+ ver.dwOSVersionInfoSize = sizeof(ver);
+ GetVersionEx((OSVERSIONINFO*)&ver);
+ s_isAtLeastWin2kSP4 =
+ ((ver.dwMajorVersion > 5) || // Vista+
+ (ver.dwMajorVersion == 5 && ver.dwMinorVersion > 0) || // XP/2003
+ (ver.dwMajorVersion == 5 && ver.dwMinorVersion == 0 &&
+ ver.wServicePackMajor >= 4)) // 2000 SP4+
+ ? 1 : 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 ) ;
+ return s_isAtLeastWin2kSP4 == 1;
#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")) ;
+ // the code page we're working with
+ long m_CodePage;
- 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;
+ // cached result of GetMBNulLen(), set to 0 initially meaning
+ // "unknown"
+ size_t m_minMBCharWidth;
};
-#endif // defined(__WXMAC__) && defined(TARGET_CARBON)
+
+#endif // wxHAVE_WIN32_MB2WC
+
// ============================================================================
// 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);
}
// were we initialized successfully?
bool m_ok;
- DECLARE_NO_COPY_CLASS(wxMBConv_wxwin)
+ wxDECLARE_NO_COPY_CLASS(wxMBConv_wxwin);
};
// make the constructors available for unit testing
#if wxUSE_FONTMAP
m_encoding = wxFontMapperBase::GetEncodingFromName(charset);
+ if ( m_encoding == wxFONTENCODING_MAX )
+ {
+ // set to unknown/invalid value
+ m_encoding = wxFONTENCODING_SYSTEM;
+ }
+ else if ( m_encoding == wxFONTENCODING_DEFAULT )
+ {
+ // wxFONTENCODING_DEFAULT is same as US-ASCII in this context
+ m_encoding = wxFONTENCODING_ISO8859_1;
+ }
#else
m_encoding = wxFONTENCODING_SYSTEM;
#endif
{
if ( encoding == wxFONTENCODING_MAX || encoding == wxFONTENCODING_DEFAULT )
{
- wxFAIL_MSG( _T("invalid encoding value in wxCSConv ctor") );
+ wxFAIL_MSG( wxT("invalid encoding value in wxCSConv ctor") );
encoding = wxFONTENCODING_SYSTEM;
}
{
if (charset)
{
- m_name = strdup(charset);
+ m_name = wxStrdup(charset);
m_deferred = true;
}
}
delete conv;
}
- const wxChar** names = wxFontMapperBase::GetAllEncodingNames(encoding);
+ const wxChar* const* 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
delete conv;
}
- gs_nameCache[encoding] = _T(""); // cache the failure
+ gs_nameCache[encoding] = wxT(""); // cache the failure
}
}
#endif // wxUSE_FONTMAP
}
#endif // wxHAVE_WIN32_MB2WC
-#if defined(__WXMAC__)
- {
- // 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
-
#ifdef __DARWIN__
{
// leave UTF16 and UTF32 to the built-ins of wx
delete conv;
}
-#endif // wxUSE_FONTMAP
-
- // 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 a timestamp, for which it will need wxConvLocal (to convert
- // time to char* and then wchar_t*), but that fails, tries to log the
- // error, but wxLog has an (already locked) critical section that
- // guards the static buffer.
- static bool alreadyLoggingError = false;
- if (!alreadyLoggingError)
- {
- alreadyLoggingError = true;
- wxLogError(_("Cannot convert from the charset '%s'!"),
- m_name ? m_name
- :
-#if wxUSE_FONTMAP
- (const char*)wxFontMapperBase::GetEncodingDescription(m_encoding).ToAscii()
-#else // !wxUSE_FONTMAP
- (const char*)wxString::Format(_("encoding %i"), m_encoding).ToAscii()
-#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
- );
- alreadyLoggingError = false;
- }
+ wxLogTrace(TRACE_STRCONV,
+ wxT("encoding \"%s\" is not supported by this system"),
+ (m_name ? wxString(m_name)
+ : wxFontMapperBase::GetEncodingName(m_encoding)));
+#endif // wxUSE_FONTMAP
return NULL;
}
return m_convReal->ToWChar(dst, dstLen, src, srcLen);
// latin-1 (direct)
- return wxMBConv::ToWChar(dst, dstLen, src, srcLen);
-}
+ if ( srcLen == wxNO_LEN )
+ srcLen = strlen(src) + 1; // take trailing NUL too
-size_t wxCSConv::FromWChar(char *dst, size_t dstLen,
- const wchar_t *src, size_t srcLen) const
-{
- CreateConvIfNeeded();
+ if ( dst )
+ {
+ if ( dstLen < srcLen )
+ return wxCONV_FAILED;
- if (m_convReal)
- return m_convReal->FromWChar(dst, dstLen, src, srcLen);
+ for ( size_t n = 0; n < srcLen; n++ )
+ dst[n] = (unsigned char)(src[n]);
+ }
- // latin-1 (direct)
- return wxMBConv::FromWChar(dst, dstLen, src, srcLen);
+ return srcLen;
}
-size_t wxCSConv::MB2WC(wchar_t *buf, const char *psz, size_t n) const
+size_t wxCSConv::FromWChar(char *dst, size_t dstLen,
+ const wchar_t *src, size_t srcLen) const
{
CreateConvIfNeeded();
if (m_convReal)
- return m_convReal->MB2WC(buf, psz, n);
+ return m_convReal->FromWChar(dst, dstLen, src, srcLen);
// latin-1 (direct)
- size_t len = strlen(psz);
+ if ( srcLen == wxNO_LEN )
+ srcLen = wxWcslen(src) + 1;
- if (buf)
+ if ( dst )
{
- for (size_t c = 0; c <= len; c++)
- buf[c] = (unsigned char)(psz[c]);
- }
-
- return len;
-}
-
-size_t wxCSConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
-{
- CreateConvIfNeeded();
-
- if (m_convReal)
- return m_convReal->WC2MB(buf, psz, n);
+ if ( dstLen < srcLen )
+ return wxCONV_FAILED;
- // latin-1 (direct)
- const size_t len = wxWcslen(psz);
- if (buf)
- {
- for (size_t c = 0; c <= len; c++)
+ for ( size_t n = 0; n < srcLen; n++ )
{
- if (psz[c] > 0xFF)
+ if ( src[n] > 0xFF )
return wxCONV_FAILED;
- buf[c] = (char)psz[c];
+ dst[n] = (char)src[n];
}
+
}
- else
+ else // still need to check the input validity
{
- for (size_t c = 0; c <= len; c++)
+ for ( size_t n = 0; n < srcLen; n++ )
{
- if (psz[c] > 0xFF)
+ if ( src[n] > 0xFF )
return wxCONV_FAILED;
}
}
- return len;
+ return srcLen;
}
size_t wxCSConv::GetMBNulLen() const
#define WX_DEFINE_GLOBAL_CONV(klass, name, ctor_args) \
WX_DEFINE_GLOBAL_CONV2(klass, klass, name, ctor_args)
+#ifdef __INTELC__
+ // disable warning "variable 'xxx' was declared but never referenced"
+ #pragma warning(disable: 177)
+#endif // Intel C++
+
#ifdef __WINDOWS__
WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConv_win32, wxConvLibc, wxEMPTY_PARAMETER_VALUE);
-#elif defined(__WXMAC__) && !defined(__MACH__)
- WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConv_mac, wxConvLibc, wxEMPTY_PARAMETER_VALUE);
+#elif 0 // defined(__WXOSX__)
+ WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConv_cf, wxConvLibc, (wxFONTENCODING_UTF8));
#else
WX_DEFINE_GLOBAL_CONV2(wxMBConv, wxMBConvLibc, wxConvLibc, wxEMPTY_PARAMETER_VALUE);
#endif
-WX_DEFINE_GLOBAL_CONV(wxMBConvUTF8, wxConvUTF8, wxEMPTY_PARAMETER_VALUE);
-WX_DEFINE_GLOBAL_CONV(wxMBConvUTF7, wxConvUTF7, wxEMPTY_PARAMETER_VALUE);
+// 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();
-#if defined(__WXMAC__) && defined(TARGET_CARBON)
-static wxMBConv_macUTF8D wxConvMacUTF8DObj;
+#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 __WXOSX__
-#if defined(__WXMAC__) && defined(TARGET_CARBON)
+#ifdef __DARWIN__
&wxConvMacUTF8DObj;
-#else
- wxGet_wxConvUTF8Ptr();
-#endif
-#else // !__WXOSX__
+#else // !__DARWIN__
wxGet_wxConvLibcPtr();
-#endif // __WXOSX__/!__WXOSX__
+#endif // __DARWIN__/!__DARWIN__
#else // !wxUSE_WCHAR_T
projects / wxWidgets.git / blobdiff