#include "wx/debug.h"
#include "wx/strconv.h"
+#include "wx/intl.h"
+#include "wx/log.h"
#if defined(WORDS_BIGENDIAN) || defined(__STDC_ISO_10646__)
#define BSWAP_UCS4(str, len)
static size_t encode_utf16(wxUint32 input,wxUint16*output)
{
- if (input<=0xffff) {
- if (output) *output++ = input;
- return 1;
- } else
- if (input>=0x110000) {
- return (size_t)-1;
- } else {
- if (output) {
- *output++ = (input >> 10)+0xd7c0;
- *output++ = (input&0x3ff)+0xdc00;
+ if (input<=0xffff)
+ {
+ if (output) *output++ = input;
+ return 1;
+ }
+ else if (input>=0x110000)
+ {
+ return (size_t)-1;
+ }
+ else
+ {
+ if (output)
+ {
+ *output++ = (input >> 10)+0xd7c0;
+ *output++ = (input&0x3ff)+0xdc00;
+ }
+ return 2;
}
- return 2;
- }
}
static size_t decode_utf16(wxUint16*input,wxUint32&output)
{
- if ((*input<0xd800) || (*input>0xdfff)) {
- output = *input;
- return 1;
- } else
- if ((input[1]<0xdc00) || (input[1]>=0xdfff)) {
- output = *input;
- return (size_t)-1;
- } else {
- output = ((input[0] - 0xd7c0) << 10) + (input[1] - 0xdc00);
- return 2;
- }
+ if ((*input<0xd800) || (*input>0xdfff))
+ {
+ output = *input;
+ return 1;
+ }
+ else if ((input[1]<0xdc00) || (input[1]>=0xdfff))
+ {
+ output = *input;
+ return (size_t)-1;
+ }
+ else
+ {
+ output = ((input[0] - 0xd7c0) << 10) + (input[1] - 0xdc00);
+ return 2;
+ }
}
#endif // WC_UTF16
size_t wxMBConvGdk::MB2WC(wchar_t *buf, const char *psz, size_t n) const
{
- if (buf) {
- return gdk_mbstowcs((GdkWChar *)buf, psz, n);
- } else {
- GdkWChar *nbuf = new GdkWChar[n=strlen(psz)];
- size_t len = gdk_mbstowcs(nbuf, psz, n);
- delete [] nbuf;
- return len;
- }
+ if (buf)
+ {
+ return gdk_mbstowcs((GdkWChar *)buf, psz, n);
+ }
+ else
+ {
+ GdkWChar *nbuf = new GdkWChar[n=strlen(psz)];
+ size_t len = gdk_mbstowcs(nbuf, psz, n);
+ delete[] nbuf;
+ return len;
+ }
}
size_t wxMBConvGdk::WC2MB(char *buf, const wchar_t *psz, size_t n) const
{
- char *mbstr = gdk_wcstombs((GdkWChar *)psz);
- size_t len = mbstr ? strlen(mbstr) : 0;
- if (buf) {
- if (len > n) len = n;
- memcpy(buf, psz, len);
- if (len < n) buf[len] = 0;
- }
- return len;
+ char *mbstr = gdk_wcstombs((GdkWChar *)psz);
+ size_t len = mbstr ? strlen(mbstr) : 0;
+ if (buf)
+ {
+ if (len > n)
+ len = n;
+ memcpy(buf, psz, len);
+ if (len < n)
+ buf[len] = 0;
+ }
+ return len;
}
#endif // GTK > 1.0
WXDLLEXPORT_DATA(wxMBConvUTF8) wxConvUTF8;
-static wxUint32 utf8_max[]={0x7f,0x7ff,0xffff,0x1fffff,0x3ffffff,0x7fffffff,0xffffffff};
+static wxUint32 utf8_max[]=
+ { 0x7f, 0x7ff, 0xffff, 0x1fffff, 0x3ffffff, 0x7fffffff, 0xffffffff };
size_t wxMBConvUTF8::MB2WC(wchar_t *buf, const char *psz, size_t n) const
{
- size_t len = 0;
-
- while (*psz && ((!buf) || (len<n))) {
- 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++;
- } else {
- cnt--;
- if (!cnt) {
- // invalid UTF-8 sequence
- return (size_t)-1;
- } else {
- unsigned ocnt=cnt-1;
- wxUint32 res=cc&(0x3f>>cnt);
- while (cnt--) {
- cc = *psz++;
- if ((cc&0xC0)!=0x80) {
- // invalid UTF-8 sequence
- return (size_t)-1;
- }
- res=(res<<6)|(cc&0x3f);
- }
- if (res<=utf8_max[ocnt]) {
- // illegal UTF-8 encoding
- return (size_t)-1;
- }
+ size_t len = 0;
+
+ while (*psz && ((!buf) || (len < n)))
+ {
+ 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++;
+ }
+ else
+ {
+ cnt--;
+ if (!cnt)
+ {
+ // invalid UTF-8 sequence
+ return (size_t)-1;
+ }
+ else
+ {
+ unsigned ocnt = cnt - 1;
+ wxUint32 res = cc & (0x3f >> cnt);
+ while (cnt--)
+ {
+ cc = *psz++;
+ if ((cc & 0xC0) != 0x80)
+ {
+ // invalid UTF-8 sequence
+ return (size_t)-1;
+ }
+ res = (res << 6) | (cc & 0x3f);
+ }
+ if (res <= utf8_max[ocnt])
+ {
+ // illegal UTF-8 encoding
+ return (size_t)-1;
+ }
#ifdef WC_UTF16
- size_t pa = encode_utf16(res, buf);
- if (pa == (size_t)-1)
- return (size_t)-1;
- if (buf) buf+=pa;
- len+=pa;
+ size_t pa = encode_utf16(res, buf);
+ if (pa == (size_t)-1)
+ return (size_t)-1;
+ if (buf)
+ buf += pa;
+ len += pa;
#else
- if (buf) *buf++=res;
- len++;
+ if (buf)
+ *buf++ = res;
+ len++;
#endif
- }
+ }
+ }
}
- }
- if (buf && (len<n)) *buf = 0;
- return len;
+ if (buf && (len < n))
+ *buf = 0;
+ return len;
}
size_t wxMBConvUTF8::WC2MB(char *buf, const wchar_t *psz, size_t n) const
{
- size_t len = 0;
+ size_t len = 0;
- while (*psz && ((!buf) || (len<n))) {
- wxUint32 cc;
+ while (*psz && ((!buf) || (len < n)))
+ {
+ wxUint32 cc;
#ifdef WC_UTF16
- size_t pa = decode_utf16(psz,cc);
- psz += (pa == (size_t)-1) ? 1 : pa;
+ size_t pa = decode_utf16(psz,cc);
+ psz += (pa == (size_t)-1) ? 1 : pa;
#else
- cc=(*psz++)&0x7fffffff;
-#endif
- unsigned cnt;
- for (cnt=0; cc>utf8_max[cnt]; cnt++);
- if (!cnt) {
- // plain ASCII char
- if (buf) *buf++=cc;
- len++;
- } else {
- len+=cnt+1;
- if (buf) {
- *buf++=(-128>>cnt)|((cc>>(cnt*6))&(0x3f>>cnt));
- while (cnt--)
- *buf++=0x80|((cc>>(cnt*6))&0x3f);
- }
+ cc=(*psz++) & 0x7fffffff;
+#endif
+ unsigned cnt;
+ for (cnt = 0; cc > utf8_max[cnt]; cnt++) {}
+ if (!cnt)
+ {
+ // plain ASCII char
+ if (buf)
+ *buf++ = cc;
+ len++;
+ }
+
+ else
+ {
+ len += cnt + 1;
+ if (buf)
+ {
+ *buf++ = (-128 >> cnt) | ((cc >> (cnt * 6)) & (0x3f >> cnt));
+ while (cnt--)
+ *buf++ = 0x80 | ((cc >> (cnt * 6)) & 0x3f);
+ }
+ }
}
- }
- if (buf && (len<n)) *buf = 0;
- return len;
+
+ if (buf && (len<n)) *buf = 0;
+ return len;
}
// ----------------------------------------------------------------------------
wxString cn(name);
do {
- wxString path( wxT("MIME\\Database\\Charset\\") );
+ wxString path(wxT("MIME\\Database\\Charset\\"));
path += cn;
- wxRegKey key( wxRegKey::HKCR, path );
-
- /* two cases: either there's an AliasForCharset string,
- * or there are Codepage and InternetEncoding dwords.
- * The InternetEncoding gives us the actual encoding,
- * the Codepage just says which Windows character set to
- * use when displaying the data.
- */
- if (key.QueryValue( wxT("InternetEncoding"), &CP )) break;
+ wxRegKey key(wxRegKey::HKCR, path);
+
+ if (!key.Exists()) continue;
+
+ // two cases: either there's an AliasForCharset string,
+ // or there are Codepage and InternetEncoding dwords.
+ // The InternetEncoding gives us the actual encoding,
+ // the Codepage just says which Windows character set to
+ // use when displaying the data.
+ if (key.HasValue(wxT("InternetEncoding")) &&
+ key.QueryValue(wxT("InternetEncoding"), &CP)) break;
// no encoding, see if it's an alias
- if (!key.QueryValue( wxT("AliasForCharset"), cn )) break;
+ if (!key.HasValue(wxT("AliasForCharset")) ||
+ !key.QueryValue(wxT("AliasForCharset"), cn)) break;
} while (1);
return CP;
: cname(name) {}
virtual ~wxCharacterSet()
{}
- virtual size_t MB2WC(wchar_t*buf, const char*psz, size_t n)
+ virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
{ return (size_t)-1; }
- virtual size_t WC2MB(char*buf, const wchar_t*psz, size_t n)
+ virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
{ return (size_t)-1; }
virtual bool usable()
{ return FALSE; }
class ID_CharSet : public wxCharacterSet
{
public:
- ID_CharSet(const wxChar*name,wxMBConv*cnv)
+ ID_CharSet(const wxChar *name,wxMBConv *cnv)
: wxCharacterSet(name), work(cnv) {}
- size_t MB2WC(wchar_t*buf, const char*psz, size_t n)
+ size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
{ return work ? work->MB2WC(buf,psz,n) : (size_t)-1; }
- size_t WC2MB(char*buf, const wchar_t*psz, size_t n)
+ size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
{ return work ? work->WC2MB(buf,psz,n) : (size_t)-1; }
bool usable()
wxMBConv*work;
};
+
#ifdef HAVE_ICONV_H
+
+// VS: glibc 2.1.3 is broken in that iconv() conversion to/from UCS4 fails with E2BIG
+// if output buffer is _exactly_ as big as needed. Such case is (unless there's
+// yet another bug in glibc) the only case when iconv() returns with (size_t)-1
+// (which means error) and says there are 0 bytes left in the input buffer --
+// when _real_ error occurs, bytes-left-in-input buffer is non-zero. Hence,
+// this alternative test for iconv() failure.
+// [This bug does not appear in glibc 2.2.]
+#if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ <= 1
+#define ICONV_FAILED(cres, bufLeft) ((cres == (size_t)-1) && \
+ (errno != E2BIG || bufLeft != 0))
+#else
+#define ICONV_FAILED(cres, bufLeft) (cres == (size_t)-1)
+#endif
+
class IC_CharSet : public wxCharacterSet
{
public:
- IC_CharSet(const wxChar*name)
- : wxCharacterSet(name), m2w((iconv_t)-1), w2m((iconv_t)-1) {}
- ~IC_CharSet()
+ IC_CharSet(const wxChar *name)
+ : wxCharacterSet(name)
{
- if (m2w!=(iconv_t)-1) iconv_close(m2w);
- if (w2m!=(iconv_t)-1) iconv_close(w2m);
- }
-
- void LoadM2W()
- {
- if (m2w==(iconv_t)-1)
- m2w=iconv_open(WC_NAME,wxConvLibc.cWX2MB(cname));
+ m2w = iconv_open(WC_NAME, wxConvLibc.cWX2MB(cname));
+ w2m = iconv_open(wxConvLibc.cWX2MB(cname), WC_NAME);
}
- void LoadW2M()
- {
- if (w2m==(iconv_t)-1)
- w2m=iconv_open(wxConvLibc.cWX2MB(cname),WC_NAME);
+ ~IC_CharSet()
+ {
+ if ( m2w != (iconv_t)-1 )
+ iconv_close(m2w);
+ if ( w2m != (iconv_t)-1 )
+ iconv_close(w2m);
}
- size_t MB2WC(wchar_t*buf, const char*psz, size_t n)
+ size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
{
- LoadM2W();
size_t inbuf = strlen(psz);
- size_t outbuf = n*SIZEOF_WCHAR_T;
+ size_t outbuf = n * SIZEOF_WCHAR_T;
size_t res, cres;
- fprintf(stderr,"IC Convert to WC using %s\n",(const char*)wxConvLibc.cWX2MB(cname));
+ // VS: Use these instead of psz, buf because iconv() modifies its arguments:
+ wchar_t *bufPtr = buf;
+ const char *pszPtr = psz;
+
if (buf)
{
// have destination buffer, convert there
#ifdef WX_ICONV_TAKES_CHAR
- cres = iconv( m2w, (char**)&psz, &inbuf, (char**)&buf, &outbuf );
+ cres = iconv(m2w, (char**)&pszPtr, &inbuf, (char**)&bufPtr, &outbuf);
#else
- cres = iconv( m2w, &psz, &inbuf, (char**)&buf, &outbuf );
+ cres = iconv(m2w, &pszPtr, &inbuf, (char**)&bufPtr, &outbuf);
#endif
- res = n-(outbuf/SIZEOF_WCHAR_T);
+ res = n - (outbuf / SIZEOF_WCHAR_T);
// convert to native endianness
- WC_BSWAP(buf, res)
+#ifdef WC_NEED_BSWAP
+ WC_BSWAP(buf /* _not_ bufPtr */, res)
+#endif
}
else
{
wchar_t tbuf[8];
res = 0;
do {
- buf = tbuf; outbuf = 8*SIZEOF_WCHAR_T;
+ bufPtr = tbuf; outbuf = 8*SIZEOF_WCHAR_T;
#ifdef WX_ICONV_TAKES_CHAR
- cres = iconv( m2w, (char**)&psz, &inbuf, (char**)&buf, &outbuf );
+ cres = iconv( m2w, (char**)&pszPtr, &inbuf, (char**)&bufPtr, &outbuf );
#else
- cres = iconv( m2w, &psz, &inbuf, (char**)&buf, &outbuf );
+ cres = iconv( m2w, &pszPtr, &inbuf, (char**)&bufPtr, &outbuf );
#endif
res += 8-(outbuf/SIZEOF_WCHAR_T);
} while ((cres==(size_t)-1) && (errno==E2BIG));
}
- if (cres==(size_t)-1)
+ if (ICONV_FAILED(cres, inbuf))
return (size_t)-1;
-
+
return res;
}
- size_t WC2MB(char*buf, const wchar_t*psz, size_t n)
+ size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
{
- LoadW2M();
#if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)
- size_t inbuf = std::wcslen(psz);
+ size_t inbuf = std::wcslen(psz) * SIZEOF_WCHAR_T;
#else
- size_t inbuf = ::wcslen(psz);
+ size_t inbuf = ::wcslen(psz) * SIZEOF_WCHAR_T;
#endif
size_t outbuf = n;
size_t res, cres;
- fprintf(stderr,"IC Convert from WC using %s\n",(const char*)wxConvLibc.cWX2MB(cname));
+
#ifdef WC_NEED_BSWAP
// need to copy to temp buffer to switch endianness
// this absolutely doesn't rock!
// (no, doing WC_BSWAP twice on the original buffer won't help, as it
// could be in read-only memory, or be accessed in some other thread)
- wchar_t*tmpbuf=(wchar_t*)malloc((inbuf+1)*SIZEOF_WCHAR_T);
+ wchar_t *tmpbuf=(wchar_t*)malloc((inbuf+1)*SIZEOF_WCHAR_T);
memcpy(tmpbuf,psz,(inbuf+1)*SIZEOF_WCHAR_T);
WC_BSWAP(tmpbuf, inbuf)
psz=tmpbuf;
#ifdef WC_NEED_BSWAP
free(tmpbuf);
#endif
- if (cres==(size_t)-1)
+ if (ICONV_FAILED(cres, inbuf))
return (size_t)-1;
return res;
}
bool usable()
- { return TRUE; }
+ { return (m2w != (iconv_t)-1) && (w2m != (iconv_t)-1); }
public:
iconv_t m2w, w2m;
CP_CharSet(const wxChar*name)
: wxCharacterSet(name), CodePage(CharsetToCodepage(name)) {}
- size_t MB2WC(wchar_t*buf, const char*psz, size_t n)
+ size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
{
- size_t len = MultiByteToWideChar(CodePage,0,psz,-1,buf,buf?n:0);
+ size_t len =
+ MultiByteToWideChar(CodePage, 0, psz, -1, buf, buf ? n : 0);
return len ? len : (size_t)-1;
}
- size_t WC2MB(char*buf, const wchar_t*psz, size_t n)
+ size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
{
- size_t len = WideCharToMultiByte(CodePage,0,psz,-1,buf,buf?n:0,NULL,NULL);
+ size_t len = WideCharToMultiByte(CodePage, 0, psz, -1, buf,
+ buf ? n : 0, NULL, NULL);
return len ? len : (size_t)-1;
}
bool usable()
- { return CodePage!=-1; }
+ { return CodePage != -1; }
public:
long CodePage;
public:
// temporarily just use wxEncodingConverter stuff,
// so that it works while a better implementation is built
- EC_CharSet(const wxChar*name) : wxCharacterSet(name), enc(wxFONTENCODING_SYSTEM)
+ EC_CharSet(const wxChar*name) : wxCharacterSet(name),
+ enc(wxFONTENCODING_SYSTEM)
{
if (name)
enc = wxTheFontMapper->CharsetToEncoding(name, FALSE);
w2m.Init(wxFONTENCODING_UNICODE, enc);
}
- size_t MB2WC(wchar_t*buf, const char*psz, size_t n)
+ size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
{
size_t inbuf = strlen(psz);
- fprintf(stderr,"EC Convert to WC using %d\n",enc);
- if (buf) m2w.Convert(psz,buf);
+ if (buf)
+ m2w.Convert(psz,buf);
return inbuf;
}
- size_t WC2MB(char*buf, const wchar_t*psz, size_t n)
+ size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
{
#if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)
size_t inbuf = std::wcslen(psz);
#else
size_t inbuf = ::wcslen(psz);
#endif
- fprintf(stderr,"EC Convert from WC using %d\n",enc);
if (buf)
w2m.Convert(psz,buf);
wxCharacterSet *cset = NULL;
if (name)
{
- if (!wxStricmp(name, wxT("UTF8")) || !wxStricmp(name, wxT("UTF-8")))
+ if (wxStricmp(name, wxT("UTF8")) == 0 || wxStricmp(name, wxT("UTF-8")) == 0)
{
cset = new ID_CharSet(name, &wxConvUTF8);
}
if (cset && cset->usable()) return cset;
if (cset) delete cset;
+ cset = NULL;
#ifdef __WIN32__
cset = new CP_CharSet(name); // may take NULL
if (cset->usable()) return cset;
cset = new EC_CharSet(name);
if (cset->usable()) return cset;
delete cset;
+ wxLogError(_("Unknown encoding '%s'!"), name);
return NULL;
}
void wxCSConv::LoadNow()
{
-// wxPrintf(wxT("Conversion request\n"));
if (m_deferred)
{
if (!m_name)
#ifdef __UNIX__
#if defined(HAVE_LANGINFO_H) && defined(CODESET)
// GNU libc provides current character set this way
- char*alang = nl_langinfo(CODESET);
+ char *alang = nl_langinfo(CODESET);
if (alang)
{
SetName(wxConvLibc.cMB2WX(alang));
// try to see if it's in the environment variables
// (in most cases this won't work, but I was out of ideas)
wxChar *lang = wxGetenv(wxT("LC_ALL"));
- if (!lang) lang = wxGetenv(wxT("LC_CTYPE"));
- if (!lang) lang = wxGetenv(wxT("LANG"));
wxChar *dot = lang ? wxStrchr(lang, wxT('.')) : (wxChar *)NULL;
- if (dot) SetName(dot+1);
+ if (!dot)
+ {
+ lang = wxGetenv(wxT("LC_CTYPE"));
+ dot = lang ? wxStrchr(lang, wxT('.')) : (wxChar *)NULL;
+ }
+ if (!dot)
+ {
+ lang = wxGetenv(wxT("LANG"));
+ dot = lang ? wxStrchr(lang, wxT('.')) : (wxChar *)NULL;
+ }
+ if (dot)
+ SetName(dot+1);
}
#endif
}
return m_cset->MB2WC(buf, psz, n);
// latin-1 (direct)
- size_t len=strlen(psz);
+ size_t len = strlen(psz);
if (buf)
{
- for (size_t c=0; c<=len; c++)
+ for (size_t c = 0; c <= len; c++)
buf[c] = (unsigned char)(psz[c]);
}
#endif
if (buf)
{
- for (size_t c=0; c<=len; c++)
- buf[c] = (psz[c]>0xff) ? '?' : psz[c];
+ for (size_t c = 0; c <= len; c++)
+ buf[c] = (psz[c] > 0xff) ? '?' : psz[c];
}
return len;
class IC_CharSetConverter
{
public:
- IC_CharSetConverter(IC_CharSet*from,IC_CharSet*to)
- { cnv = iconv_open(wxConvLibc.cWX2MB(to->cname),wxConvLibc.cWX2MB(from->cname)); }
+ IC_CharSetConverter(IC_CharSet *from, IC_CharSet *to)
+ {
+ cnv = iconv_open(wxConvLibc.cWX2MB(to->cname),
+ wxConvLibc.cWX2MB(from->cname));
+ }
~IC_CharSetConverter()
- { if (cnv!=(iconv_t)-1) iconv_close(cnv); }
+ {
+ if (cnv != (iconv_t)-1)
+ iconv_close(cnv);
+ }
- size_t Convert(char*buf, const char*psz, size_t n)
+ size_t Convert(char *buf, const char *psz, size_t n)
{
size_t inbuf = strlen(psz);
size_t outbuf = n;
#else
size_t res = iconv( cnv, &psz, &inbuf, &buf, &outbuf );
#endif
- if (res==(size_t)-1) return (size_t)-1;
- return n-outbuf;
+ if (res == (size_t)-1)
+ return (size_t)-1;
+ return (n - outbuf);
}
public:
projects / wxWidgets.git / blobdiff