// Ryan Norton, Fredrik Roubert (UTF7)
// Modified by:
// Created: 29/01/98
-// RCS-ID: $Id$
// Copyright: (c) 1999 Ove Kaaven, Robert Roebling, Vaclav Slavik
// (c) 2000-2003 Vadim Zeitlin
// (c) 2004 Ryan Norton, Fredrik Roubert
#include "wx/strconv.h"
-#if wxUSE_WCHAR_T
-
#ifndef __WXWINCE__
#include <errno.h>
#endif
#include "wx/fontmap.h"
#ifdef __DARWIN__
-#include "wx/mac/corefoundation/private/strconv_cf.h"
+#include "wx/osx/core/private/strconv_cf.h"
#endif //def __DARWIN__
-#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;
// 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 )
{
*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)--;
}
{
*outLen = dstLen;
- 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 wxScopedWCharBuffer::CreateNonOwned(L"", 0);
+}
+
+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 wxScopedCharBuffer::CreateNonOwned("", 0);
+}
+
// ----------------------------------------------------------------------------
// 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 ++;
- ok = true;
+ // 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;
}
}
}
+ }
- 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;
}
for ( const char *p = src; ; p++ )
{
- if ( !(srcLen == wxNO_LEN ? *p : srcLen) )
+ if ( (srcLen == wxNO_LEN ? !*p : !srcLen) )
{
// all done successfully, just add the trailing NULL if we are not
// using explicit length
for ( const wchar_t *wp = src; ; wp++ )
{
- if ( !(srcLen == wxNO_LEN ? *wp : srcLen--) )
+ if ( (srcLen == wxNO_LEN ? !*wp : !srcLen) )
{
// all done successfully, just add the trailing NULL if we are not
// using explicit length
return written;
}
+ if ( srcLen != wxNO_LEN )
+ srcLen--;
wxUint32 code;
#ifdef WC_UTF16
{
// skip the next char too as we decoded a surrogate
wp++;
+ if ( srcLen != wxNO_LEN )
+ srcLen--;
}
#else // wchar_t is UTF-32
code = *wp & 0x7fffffff;
}
else
{
- wxFAIL_MSG( _T("trying to encode undefined Unicode character") );
+ wxFAIL_MSG( wxT("trying to encode undefined Unicode character") );
break;
}
size_t len = 0;
- while ((srcLen == wxNO_LEN ? *psz : srcLen--) && ((!buf) || (len < n)))
+ // The length can be either given explicitly or computed implicitly for the
+ // NUL-terminated strings.
+ const bool isNulTerminated = srcLen == wxNO_LEN;
+ while ((isNulTerminated ? *psz : srcLen--) && ((!buf) || (len < n)))
{
const char *opsz = psz;
bool invalid = false;
}
}
- if (srcLen == wxNO_LEN && buf && (len < n))
- *buf = 0;
+ if ( isNulTerminated )
+ {
+ // Add the trailing NUL in this case if we have a large enough buffer.
+ if ( buf && (len < n) )
+ *buf = 0;
+
+ // And count it in any case.
+ len++;
+ }
- return len + 1;
+ return len;
}
static inline bool isoctal(wchar_t wch)
size_t len = 0;
- while ((srcLen == wxNO_LEN ? *psz : srcLen--) && ((!buf) || (len < n)))
+ // The length can be either given explicitly or computed implicitly for the
+ // NUL-terminated strings.
+ const bool isNulTerminated = srcLen == wxNO_LEN;
+ while ((isNulTerminated ? *psz : srcLen--) && ((!buf) || (len < n)))
{
wxUint32 cc;
}
}
- if (srcLen == wxNO_LEN && buf && (len < n))
- *buf = 0;
+ if ( isNulTerminated )
+ {
+ // Add the trailing NUL in this case if we have a large enough buffer.
+ if ( buf && (len < n) )
+ *buf = 0;
+
+ // And count it in any case.
+ len++;
+ }
- return len + 1;
+ return len;
}
// ============================================================================
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];
+ wxUint16 cc[2] = { 0 };
const size_t numChars = encode_utf16(*src++, cc);
if ( numChars == wxCONV_FAILED )
return wxCONV_FAILED;
}
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];
+ wxUint16 cc[2] = { 0 };
const size_t numChars = encode_utf16(*src, cc);
if ( numChars == wxCONV_FAILED )
return wxCONV_FAILED;
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++ )
{
- wxUint16 cc[2];
+ wxUint16 cc[2] = { 0 };
const size_t numChars = encode_utf16(*inBuff++, cc);
if ( numChars == wxCONV_FAILED )
return wxCONV_FAILED;
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++ )
{
- wxUint16 cc[2];
+ wxUint16 cc[2] = { 0 };
const size_t numChars = encode_utf16(wxUINT32_SWAP_ALWAYS(*inBuff), cc);
if ( numChars == wxCONV_FAILED )
return wxCONV_FAILED;
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);
virtual wxMBConv *Clone() const
{
- wxMBConv_iconv *p = new wxMBConv_iconv(m_name.ToAscii());
+ wxMBConv_iconv *p = new wxMBConv_iconv(m_name);
p->m_minMBCharWidth = m_minMBCharWidth;
return p;
}
// name of the encoding handled by this conversion
- wxString m_name;
+ const char *m_name;
// cached result of GetMBNulLen(); set to 0 meaning "unknown"
// initially
bool wxMBConv_iconv::ms_wcNeedsSwap = false;
wxMBConv_iconv::wxMBConv_iconv(const char *name)
- : m_name(name)
+ : m_name(wxStrdup(name))
{
m_minMBCharWidth = 0;
// 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"),
-#elif SIZEOF_WCHAR_T = 2
- _T("UCS-2"),
+ wxT("UCS-4"),
+#elif SIZEOF_WCHAR_T == 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);
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
{
wxMBConv_iconv::~wxMBConv_iconv()
{
+ free(const_cast<char *>(m_name));
+
if ( m2w != ICONV_T_INVALID )
iconv_close(m2w);
if ( w2m != ICONV_T_INVALID )
else // no destination buffer
{
// convert using temp buffer to calculate the size of the buffer needed
- wchar_t tbuf[8];
+ wchar_t tbuf[256];
res = 0;
do
#endif
if ( srcLen == wxNO_LEN )
- srcLen = wxWcslen(src);
+ srcLen = wxWcslen(src) + 1;
size_t inbuflen = srcLen * SIZEOF_WCHAR_T;
size_t outbuflen = dstLen;
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(inbuflen + SIZEOF_WCHAR_T);
+ tmpbuf = (wchar_t *)malloc(inbuflen);
for ( size_t i = 0; i < srcLen; i++ )
tmpbuf[i] = WC_BSWAP(src[i]);
- tmpbuf[srcLen] = L'\0';
src = tmpbuf;
}
cres = iconv(w2m, ICONV_CHAR_CAST(&inbuf), &inbuflen, &dst, &outbuflen);
res = dstLen - outbuflen;
-
- // NB: iconv was given only wcslen(src) 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 < dstLen)
- dst[0] = 0;
}
else // no destination buffer
{
// convert using temp buffer to calculate the size of the buffer needed
- char tbuf[16];
+ char tbuf[256];
res = 0;
do
{
dst = tbuf;
- outbuflen = 16;
+ outbuflen = WXSIZEOF(tbuf);
cres = iconv(w2m, ICONV_CHAR_CAST(&inbuf), &inbuflen, &dst, &outbuflen);
- res += 16 - outbuflen;
+ res += WXSIZEOF(tbuf) - outbuflen;
}
while ((cres == (size_t)-1) && (errno == E2BIG));
}
switch ( len )
{
default:
- wxLogDebug(_T("Unexpected NUL length %d"), len);
+ wxLogDebug(wxT("Unexpected NUL length %d"), len);
self->m_minMBCharWidth = (size_t)-1;
break;
break;
}
- wxASSERT_MSG( s_isWin98Or2k != -1, _T("should be set above") );
+ wxASSERT_MSG( s_isWin98Or2k != -1, wxT("should be set above") );
}
return s_isWin98Or2k == 1;
// 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
{
m_name = NULL;
m_convReal = NULL;
- m_deferred = true;
+}
+
+void wxCSConv::SetEncoding(wxFontEncoding encoding)
+{
+ switch ( encoding )
+ {
+ case wxFONTENCODING_MAX:
+ case wxFONTENCODING_SYSTEM:
+ if ( m_name )
+ {
+ // It's ok to not have encoding value if we have a name for it.
+ m_encoding = wxFONTENCODING_SYSTEM;
+ }
+ else // No name neither.
+ {
+ // Fall back to the system default encoding in this case (not
+ // sure how much sense does this make but this is how the old
+ // code used to behave).
+#if wxUSE_INTL
+ m_encoding = wxLocale::GetSystemEncoding();
+ if ( m_encoding == wxFONTENCODING_SYSTEM )
+#endif // wxUSE_INTL
+ m_encoding = wxFONTENCODING_ISO8859_1;
+ }
+ break;
+
+ case wxFONTENCODING_DEFAULT:
+ // wxFONTENCODING_DEFAULT is same as US-ASCII in this context
+ m_encoding = wxFONTENCODING_ISO8859_1;
+ break;
+
+ default:
+ // Just use the provided encoding.
+ m_encoding = encoding;
+ }
}
wxCSConv::wxCSConv(const wxString& charset)
}
#if wxUSE_FONTMAP
- m_encoding = wxFontMapperBase::GetEncodingFromName(charset);
+ SetEncoding(wxFontMapperBase::GetEncodingFromName(charset));
#else
- m_encoding = wxFONTENCODING_SYSTEM;
+ SetEncoding(wxFONTENCODING_SYSTEM);
#endif
+
+ m_convReal = DoCreate();
}
wxCSConv::wxCSConv(wxFontEncoding encoding)
{
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;
}
Init();
- m_encoding = encoding;
+ SetEncoding(encoding);
+
+ m_convReal = DoCreate();
}
wxCSConv::~wxCSConv()
Init();
SetName(conv.m_name);
- m_encoding = conv.m_encoding;
+ SetEncoding(conv.m_encoding);
+
+ m_convReal = DoCreate();
}
wxCSConv& wxCSConv::operator=(const wxCSConv& conv)
Clear();
SetName(conv.m_name);
- m_encoding = conv.m_encoding;
+ SetEncoding(conv.m_encoding);
+
+ m_convReal = DoCreate();
return *this;
}
void wxCSConv::Clear()
{
free(m_name);
- delete m_convReal;
-
m_name = NULL;
- m_convReal = NULL;
+
+ wxDELETE(m_convReal);
}
void wxCSConv::SetName(const char *charset)
{
- if (charset)
- {
+ if ( charset )
m_name = wxStrdup(charset);
- m_deferred = true;
- }
}
#if wxUSE_FONTMAP
// check for the special case of ASCII or ISO8859-1 charset: as we have
// special knowledge of it anyhow, we don't need to create a special
// conversion object
- if ( m_encoding == wxFONTENCODING_ISO8859_1 ||
- m_encoding == wxFONTENCODING_DEFAULT )
+ if ( m_encoding == wxFONTENCODING_ISO8859_1 )
{
// don't convert at all
return NULL;
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
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;
}
-void wxCSConv::CreateConvIfNeeded() const
-{
- if ( m_deferred )
- {
- wxCSConv *self = (wxCSConv *)this; // const_cast
-
- // if we don't have neither the name nor the encoding, use the default
- // encoding for this system
- if ( !m_name && m_encoding == wxFONTENCODING_SYSTEM )
- {
-#if wxUSE_INTL
- self->m_encoding = wxLocale::GetSystemEncoding();
-#else
- // fallback to some reasonable default:
- self->m_encoding = wxFONTENCODING_ISO8859_1;
-#endif // wxUSE_INTL
- }
-
- self->m_convReal = DoCreate();
- self->m_deferred = false;
- }
-}
-
bool wxCSConv::IsOk() const
{
- CreateConvIfNeeded();
-
// special case: no convReal created for wxFONTENCODING_ISO8859_1
if ( m_encoding == wxFONTENCODING_ISO8859_1 )
return true; // always ok as we do it ourselves
size_t wxCSConv::ToWChar(wchar_t *dst, size_t dstLen,
const char *src, size_t srcLen) const
{
- CreateConvIfNeeded();
-
if (m_convReal)
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
{
- CreateConvIfNeeded();
-
if ( m_convReal )
- {
return m_convReal->GetMBNulLen();
- }
// otherwise, we are ISO-8859-1
return 1;
#if wxUSE_UNICODE_UTF8
bool wxCSConv::IsUTF8() const
{
- CreateConvIfNeeded();
-
if ( m_convReal )
- {
return m_convReal->IsUTF8();
- }
// otherwise, we are ISO-8859-1
return false;
#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 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
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?
+// It is important to use this conversion object under Darwin as it ensures
+// that Unicode strings are (re)composed correctly even though xnu kernel uses
+// decomposed form internally (at least for the file names).
static wxMBConv_cf wxConvMacUTF8DObj(wxFONTENCODING_UTF8);
#endif
#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,
- wxConvLocal,
- wxConvUTF8;
-
-#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T
projects / wxWidgets.git / blobdiff