// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
#ifdef __GNUG__
#pragma implementation "strconv.h"
#endif
#pragma hdrstop
#endif
+#ifdef __WXMSW__
+ #include "wx/msw/private.h"
+#endif
+
+#include <errno.h>
#include <ctype.h>
#include <string.h>
#include <stdlib.h>
#include <clib.h>
#endif
+#ifdef HAVE_ICONV_H
+ #include <iconv.h>
+#endif
+#ifdef HAVE_LANGINFO_H
+ #include <langinfo.h>
+#endif
+
+#ifdef __WXMSW__
+ #include <windows.h>
+#endif
+
#include "wx/debug.h"
#include "wx/strconv.h"
-//----------------------------------------------------------------------------
-// wxConvCurrent
-//----------------------------------------------------------------------------
+#if defined(WORDS_BIGENDIAN) || defined(__STDC_ISO_10646__)
+#define BSWAP_UCS4(str, len)
+#define BSWAP_UCS2(str, len)
+#else
+#define BSWAP_UCS4(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT32_SWAP_ALWAYS(str[_c]); }
+#define BSWAP_UCS2(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT16_SWAP_ALWAYS(str[_c]); }
+#define WC_NEED_BSWAP
+#endif
+#define BSWAP_UTF32(str, len) BSWAP_UCS4(str, len)
+#define BSWAP_UTF16(str, len) BSWAP_UCS2(str, len)
+
+#if SIZEOF_WCHAR_T == 4
+#define WC_NAME "UCS4"
+#define WC_BSWAP BSWAP_UCS4
+#elif SIZEOF_WCHAR_T == 2
+#define WC_NAME "UTF16"
+#define WC_BSWAP BSWAP_UTF16
+#define WC_UTF16
+#endif
+
+// ----------------------------------------------------------------------------
+// globals
+// ----------------------------------------------------------------------------
WXDLLEXPORT_DATA(wxMBConv *) wxConvCurrent = &wxConvLibc;
-#if !wxUSE_WCHAR_T
-//----------------------------------------------------------------------------
-// stand-ins in absence of wchar_t
-//----------------------------------------------------------------------------
+// ============================================================================
+// implementation
+// ============================================================================
-WXDLLEXPORT_DATA(wxMBConv) wxConvLibc, wxConvFile;
+#if wxUSE_WCHAR_T
-#else
+#ifdef WC_UTF16
+
+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;
+ }
+ 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;
+ }
+}
+
+#endif // WC_UTF16
-//----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
// wxMBConv
-//----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
WXDLLEXPORT_DATA(wxMBConv) wxConvLibc;
const wxWCharBuffer wxMBConv::cMB2WC(const char *psz) const
{
- if (psz)
+ if (psz)
{
size_t nLen = MB2WC((wchar_t *) NULL, psz, 0);
+ if (nLen == (size_t)-1)
+ return wxWCharBuffer((wchar_t *) NULL);
wxWCharBuffer buf(nLen);
MB2WC((wchar_t *)(const wchar_t *) buf, psz, nLen);
return buf;
- }
- else
+ }
+ else
return wxWCharBuffer((wchar_t *) NULL);
}
const wxCharBuffer wxMBConv::cWC2MB(const wchar_t *psz) const
{
- if (psz)
+ if (psz)
{
size_t nLen = WC2MB((char *) NULL, psz, 0);
+ if (nLen == (size_t)-1)
+ return wxCharBuffer((char *) NULL);
wxCharBuffer buf(nLen);
WC2MB((char *)(const char *) buf, psz, nLen);
return buf;
- }
- else
+ }
+ else
return wxCharBuffer((char *) NULL);
}
-//----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
// standard file conversion
-//----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
WXDLLEXPORT_DATA(wxMBConvFile) wxConvFile;
return wxWC2MB(buf, psz, n);
}
-#ifdef __WXGTK12__
-
-//----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
// standard gdk conversion
-//----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+
+#ifdef __WXGTK12__
WXDLLEXPORT_DATA(wxMBConvGdk) wxConvGdk;
}
return len;
}
+
#endif // GTK > 1.0
// ----------------------------------------------------------------------------
return 0;
}
-//----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
// UTF-8
-//----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
WXDLLEXPORT_DATA(wxMBConvUTF8) wxConvUTF8;
-static unsigned long 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
{
return (size_t)-1;
} else {
unsigned ocnt=cnt-1;
- unsigned long res=cc&(0x3f>>cnt);
+ wxUint32 res=cc&(0x3f>>cnt);
while (cnt--) {
cc = *psz++;
if ((cc&0xC0)!=0x80) {
// 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;
+#else
if (buf) *buf++=res;
len++;
+#endif
}
}
}
size_t len = 0;
while (*psz && ((!buf) || (len<n))) {
- unsigned long cc=(*psz++)&0x7fffffff;
+ wxUint32 cc;
+#ifdef WC_UTF16
+ 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) {
// specified character set
// ----------------------------------------------------------------------------
-#ifndef WX_PRECOMP
- #include "wx/dynarray.h"
- #include "wx/filefn.h"
- #include "wx/textfile.h"
- #include "wx/tokenzr.h"
- #include "wx/utils.h"
+WXDLLEXPORT_DATA(wxCSConv) wxConvLocal((const wxChar *)NULL);
+
+#include "wx/encconv.h"
+#include "wx/fontmap.h"
+
+// TODO: add some tables here
+// - perhaps common encodings to common codepages (for Win32)
+// - perhaps common encodings to objects ("UTF8" -> wxConvUTF8)
+// - move wxEncodingConverter meat in here
+
+#ifdef __WIN32__
+#include "wx/msw/registry.h"
+// this should work if M$ Internet Exploiter is installed
+static long CharsetToCodepage(const wxChar *name)
+{
+ if (!name)
+ return GetACP();
+
+ long CP=-1;
+
+ wxString cn(name);
+ do {
+ 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;
+
+ // no encoding, see if it's an alias
+ if (!key.QueryValue( wxT("AliasForCharset"), cn )) break;
+ } while (1);
+
+ return CP;
+}
#endif
class wxCharacterSet
{
public:
- wxArrayString names;
- wchar_t *data;
+ wxCharacterSet(const wxChar*name)
+ : cname(name) {}
+ virtual ~wxCharacterSet()
+ {}
+ 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)
+ { return (size_t)-1; }
+ virtual bool usable()
+ { return FALSE; }
+public:
+ const wxChar*cname;
};
-WX_DECLARE_OBJARRAY(wxCharacterSet, wxCSArray);
-#include "wx/arrimpl.cpp"
-WX_DEFINE_OBJARRAY(wxCSArray);
-
-static wxCSArray wxCharsets;
+class ID_CharSet : public wxCharacterSet
+{
+public:
+ ID_CharSet(const wxChar*name,wxMBConv*cnv)
+ : wxCharacterSet(name), work(cnv) {}
+
+ 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)
+ { return work ? work->WC2MB(buf,psz,n) : (size_t)-1; }
+
+ bool usable()
+ { return work!=NULL; }
+public:
+ wxMBConv*work;
+};
-static void wxLoadCharacterSets(void)
+#ifdef HAVE_ICONV_H
+class IC_CharSet : public wxCharacterSet
{
- static bool already_loaded = FALSE;
-
- if (already_loaded) return;
-
- already_loaded = TRUE;
-#if defined(__UNIX__) && wxUSE_TEXTFILE
- // search through files in /usr/share/i18n/charmaps
- wxString fname;
- for (fname = ::wxFindFirstFile(wxT("/usr/share/i18n/charmaps/*"));
- !fname.IsEmpty();
- fname = ::wxFindNextFile()) {
- wxTextFile cmap(fname);
- if (cmap.Open()) {
- wxCharacterSet *cset = new wxCharacterSet;
- wxString comchar,escchar;
- bool in_charset = FALSE;
-
- // wxFprintf(stderr,wxT("Loaded: %s\n"),fname.c_str());
-
- wxString line;
- for (line = cmap.GetFirstLine();
- !cmap.Eof();
- line = cmap.GetNextLine()) {
- // wxFprintf(stderr,wxT("line contents: %s\n"),line.c_str());
- wxStringTokenizer token(line);
- wxString cmd = token.GetNextToken();
- if (cmd == comchar) {
- if (token.GetNextToken() == wxT("alias"))
- cset->names.Add(token.GetNextToken());
- }
- else if (cmd == wxT("<code_set_name>"))
- cset->names.Add(token.GetNextToken());
- else if (cmd == wxT("<comment_char>"))
- comchar = token.GetNextToken();
- else if (cmd == wxT("<escape_char>"))
- escchar = token.GetNextToken();
- else if (cmd == wxT("<mb_cur_min>")) {
- delete cset;
- cset = (wxCharacterSet *) NULL;
- break; // we don't support multibyte charsets ourselves (yet)
+public:
+ IC_CharSet(const wxChar*name)
+ : wxCharacterSet(name), m2w((iconv_t)-1), w2m((iconv_t)-1) {}
+ ~IC_CharSet()
+ {
+ 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));
+ }
+
+ void LoadW2M()
+ {
+ if (w2m==(iconv_t)-1)
+ w2m=iconv_open(wxConvLibc.cWX2MB(cname),WC_NAME);
+ }
+
+ 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 res, cres;
+ fprintf(stderr,"IC Convert to WC using %s\n",(const char*)wxConvLibc.cWX2MB(cname));
+ if (buf)
+ {
+ // have destination buffer, convert there
+#ifdef WX_ICONV_TAKES_CHAR
+ cres = iconv( m2w, (char**)&psz, &inbuf, (char**)&buf, &outbuf );
+#else
+ cres = iconv( m2w, &psz, &inbuf, (char**)&buf, &outbuf );
+#endif
+ res = n-(outbuf/SIZEOF_WCHAR_T);
+ // convert to native endianness
+ WC_BSWAP(buf, res)
}
- else if (cmd == wxT("CHARMAP")) {
- cset->data = (wchar_t *)calloc(256, sizeof(wchar_t));
- in_charset = TRUE;
+ else
+ {
+ // no destination buffer... convert using temp buffer
+ // to calculate destination buffer requirement
+ wchar_t tbuf[8];
+ res = 0;
+ do {
+ buf = tbuf; outbuf = 8*SIZEOF_WCHAR_T;
+#ifdef WX_ICONV_TAKES_CHAR
+ cres = iconv( m2w, (char**)&psz, &inbuf, (char**)&buf, &outbuf );
+#else
+ cres = iconv( m2w, &psz, &inbuf, (char**)&buf, &outbuf );
+#endif
+ res += 8-(outbuf/SIZEOF_WCHAR_T);
+ } while ((cres==(size_t)-1) && (errno==E2BIG));
}
- else if (cmd == wxT("END")) {
- if (token.GetNextToken() == wxT("CHARMAP"))
- in_charset = FALSE;
+
+ if (cres==(size_t)-1)
+ return (size_t)-1;
+
+ return res;
+ }
+
+ size_t WC2MB(char*buf, const wchar_t*psz, size_t n)
+ {
+ LoadW2M();
+#if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)
+ size_t inbuf = std::wcslen(psz);
+#else
+ size_t inbuf = ::wcslen(psz);
+#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);
+ memcpy(tmpbuf,psz,(inbuf+1)*SIZEOF_WCHAR_T);
+ WC_BSWAP(tmpbuf, inbuf)
+ psz=tmpbuf;
+#endif
+ if (buf)
+ {
+ // have destination buffer, convert there
+#ifdef WX_ICONV_TAKES_CHAR
+ cres = iconv( w2m, (char**)&psz, &inbuf, &buf, &outbuf );
+#else
+ cres = iconv( w2m, (const char**)&psz, &inbuf, &buf, &outbuf );
+#endif
+ res = n-outbuf;
}
- else if (in_charset) {
- // format: <NUL> /x00 <U0000> NULL (NUL)
- // <A> /x41 <U0041> LATIN CAPITAL LETTER A
- wxString hex = token.GetNextToken();
- // skip whitespace (why doesn't wxStringTokenizer do this?)
- while (wxIsEmpty(hex) && token.HasMoreTokens()) hex = token.GetNextToken();
- wxString uni = token.GetNextToken();
- // skip whitespace again
- while (wxIsEmpty(uni) && token.HasMoreTokens()) uni = token.GetNextToken();
- if ((hex.Len() > 2) && (wxString(hex.GetChar(0)) == escchar) && (hex.GetChar(1) == wxT('x')) &&
- (uni.Left(2) == wxT("<U"))) {
- hex.MakeUpper(); uni.MakeUpper();
- int pos = ::wxHexToDec(hex.Mid(2,2));
- if (pos>=0) {
- unsigned long uni1 = ::wxHexToDec(uni.Mid(2,2));
- unsigned long uni2 = ::wxHexToDec(uni.Mid(4,2));
- cset->data[pos] = (uni1 << 16) | uni2;
- // wxFprintf(stderr,wxT("char %02x mapped to %04x (%c)\n"),pos,cset->data[pos],cset->data[pos]);
- }
- }
+ else
+ {
+ // no destination buffer... convert using temp buffer
+ // to calculate destination buffer requirement
+ char tbuf[16];
+ res = 0;
+ do {
+ buf = tbuf; outbuf = 16;
+#ifdef WX_ICONV_TAKES_CHAR
+ cres = iconv( w2m, (char**)&psz, &inbuf, &buf, &outbuf );
+#else
+ cres = iconv( w2m, (const char**)&psz, &inbuf, &buf, &outbuf );
+#endif
+ res += 16 - outbuf;
+ } while ((cres==(size_t)-1) && (errno==E2BIG));
}
- }
- if (cset) {
- cset->names.Shrink();
- wxCharsets.Add(cset);
- }
+#ifdef WC_NEED_BSWAP
+ free(tmpbuf);
+#endif
+ if (cres==(size_t)-1)
+ return (size_t)-1;
+
+ return res;
}
- }
+
+ bool usable()
+ { return TRUE; }
+
+public:
+ iconv_t m2w, w2m;
+};
#endif
- wxCharsets.Shrink();
-}
-static wxCharacterSet *wxFindCharacterSet(const wxChar *charset)
+#ifdef __WIN32__
+class CP_CharSet : public wxCharacterSet
{
- if (!charset) return (wxCharacterSet *)NULL;
- wxLoadCharacterSets();
- for (size_t n=0; n<wxCharsets.GetCount(); n++)
- if (wxCharsets[n].names.Index(charset) != wxNOT_FOUND)
- return &(wxCharsets[n]);
- return (wxCharacterSet *)NULL;
-}
+public:
+ CP_CharSet(const wxChar*name)
+ : wxCharacterSet(name), CodePage(CharsetToCodepage(name)) {}
+
+ size_t MB2WC(wchar_t*buf, const char*psz, size_t n)
+ {
+ 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 len = WideCharToMultiByte(CodePage,0,psz,-1,buf,buf?n:0,NULL,NULL);
+ return len ? len : (size_t)-1;
+ }
+
+ bool usable()
+ { return CodePage!=-1; }
-WXDLLEXPORT_DATA(wxCSConv) wxConvLocal((const wxChar *)NULL);
+public:
+ long CodePage;
+};
+#endif
+
+class EC_CharSet : public wxCharacterSet
+{
+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)
+ {
+ if (name)
+ enc = wxTheFontMapper->CharsetToEncoding(name, FALSE);
+ m2w.Init(enc, wxFONTENCODING_UNICODE);
+ w2m.Init(wxFONTENCODING_UNICODE, enc);
+ }
+
+ 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);
+ return inbuf;
+ }
+
+ 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);
+
+ return inbuf;
+ }
+
+ bool usable()
+ { return (enc!=wxFONTENCODING_SYSTEM) && (enc!=wxFONTENCODING_DEFAULT); }
+
+public:
+ wxFontEncoding enc;
+ wxEncodingConverter m2w, w2m;
+};
+
+static wxCharacterSet *wxGetCharacterSet(const wxChar *name)
+{
+ wxCharacterSet *cset = NULL;
+ if (name)
+ {
+ if (!wxStricmp(name, wxT("UTF8")) || !wxStricmp(name, wxT("UTF-8")))
+ {
+ cset = new ID_CharSet(name, &wxConvUTF8);
+ }
+ else
+ {
+#ifdef HAVE_ICONV_H
+ cset = new IC_CharSet(name); // may not take NULL
+#endif
+ }
+ }
+
+ if (cset && cset->usable()) return cset;
+ if (cset) delete cset;
+#ifdef __WIN32__
+ cset = new CP_CharSet(name); // may take NULL
+ if (cset->usable()) return cset;
+#endif
+ if (cset) delete cset;
+ cset = new EC_CharSet(name);
+ if (cset->usable()) return cset;
+ delete cset;
+ return NULL;
+}
wxCSConv::wxCSConv(const wxChar *charset)
{
- m_name = (wxChar *) NULL;
- m_cset = (wxCharacterSet *) NULL;
- m_deferred = TRUE;
- SetName(charset);
+ m_name = (wxChar *) NULL;
+ m_cset = (wxCharacterSet *) NULL;
+ m_deferred = TRUE;
+ SetName(charset);
}
wxCSConv::~wxCSConv()
{
- if (m_name) free(m_name);
+ if (m_name) free(m_name);
+ if (m_cset) delete m_cset;
}
void wxCSConv::SetName(const wxChar *charset)
{
- if (charset) {
-#ifdef __UNIX__
- // first, convert the character set name to standard form
- wxString codeset;
- if (wxString(charset,3).CmpNoCase(wxT("ISO")) == 0) {
- // make sure it's represented in the standard form: ISO_8859-1
- codeset = wxT("ISO_");
- charset += 3;
- if ((*charset == wxT('-')) || (*charset == wxT('_'))) charset++;
- if (wxStrlen(charset)>4) {
- if (wxString(charset,4) == wxT("8859")) {
- codeset << wxT("8859-");
- if (*charset == wxT('-')) charset++;
- }
- }
+ if (charset)
+ {
+ m_name = wxStrdup(charset);
+ m_deferred = TRUE;
}
- codeset << charset;
- codeset.MakeUpper();
- m_name = wxStrdup(codeset.c_str());
- m_deferred = TRUE;
-#endif
- }
}
void wxCSConv::LoadNow()
{
// wxPrintf(wxT("Conversion request\n"));
- if (m_deferred) {
- if (!m_name) {
+ if (m_deferred)
+ {
+ if (!m_name)
+ {
#ifdef __UNIX__
- wxChar *lang = wxGetenv(wxT("LANG"));
- wxChar *dot = lang ? wxStrchr(lang, wxT('.')) : (wxChar *)NULL;
- if (dot) SetName(dot+1);
+#if defined(HAVE_LANGINFO_H) && defined(CODESET)
+ // GNU libc provides current character set this way
+ char*alang = nl_langinfo(CODESET);
+ if (alang)
+ {
+ SetName(wxConvLibc.cMB2WX(alang));
+ }
+ else
#endif
+ {
+ // if we can't get at the character set directly,
+ // 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);
+ }
+#endif
+ }
+ m_cset = wxGetCharacterSet(m_name);
+ m_deferred = FALSE;
}
- m_cset = wxFindCharacterSet(m_name);
- m_deferred = FALSE;
- }
}
size_t wxCSConv::MB2WC(wchar_t *buf, const char *psz, size_t n) const
{
- ((wxCSConv *)this)->LoadNow(); // discard constness
- if (buf) {
- if (m_cset) {
- for (size_t c=0; c<n; c++)
- buf[c] = m_cset->data[(unsigned char)(psz[c])];
- } else {
- // latin-1 (direct)
- for (size_t c=0; c<n; c++)
- buf[c] = (unsigned char)(psz[c]);
+ ((wxCSConv *)this)->LoadNow(); // discard constness
+
+ if (m_cset)
+ return m_cset->MB2WC(buf, psz, n);
+
+ // latin-1 (direct)
+ size_t len=strlen(psz);
+
+ if (buf)
+ {
+ for (size_t c=0; c<=len; c++)
+ buf[c] = (unsigned char)(psz[c]);
}
- return n;
- }
- return strlen(psz);
+
+ return len;
}
size_t wxCSConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
{
- ((wxCSConv *)this)->LoadNow(); // discard constness
- if (buf) {
- if (m_cset) {
- for (size_t c=0; c<n; c++) {
- size_t n;
- for (n=0; (n<256) && (m_cset->data[n] != psz[c]); n++);
- buf[c] = (n>0xff) ? '?' : n;
- }
- } else {
- // latin-1 (direct)
- for (size_t c=0; c<n; c++)
- buf[c] = (psz[c]>0xff) ? '?' : psz[c];
- }
- return n;
- }
+ ((wxCSConv *)this)->LoadNow(); // discard constness
+
+ if (m_cset)
+ return m_cset->WC2MB(buf, psz, n);
+
+ // latin-1 (direct)
#if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)
- return std::wcslen(psz);
+ size_t len=std::wcslen(psz);
#else
- return ::wcslen(psz);
+ size_t len=::wcslen(psz);
#endif
+ if (buf)
+ {
+ for (size_t c=0; c<=len; c++)
+ buf[c] = (psz[c]>0xff) ? '?' : psz[c];
+ }
+
+ return len;
}
+#ifdef HAVE_ICONV_H
+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()
+ { if (cnv!=(iconv_t)-1) iconv_close(cnv); }
+
+ size_t Convert(char*buf, const char*psz, size_t n)
+ {
+ size_t inbuf = strlen(psz);
+ size_t outbuf = n;
+#ifdef WX_ICONV_TAKES_CHAR
+ size_t res = iconv( cnv, (char**)&psz, &inbuf, &buf, &outbuf );
+#else
+ size_t res = iconv( cnv, &psz, &inbuf, &buf, &outbuf );
#endif
- //wxUSE_WCHAR_T
+ if (res==(size_t)-1) return (size_t)-1;
+ return n-outbuf;
+ }
+
+public:
+ iconv_t cnv;
+};
+#endif
+
+class EC_CharSetConverter
+{
+public:
+ EC_CharSetConverter(EC_CharSet*from,EC_CharSet*to)
+ { cnv.Init(from->enc,to->enc); }
+
+ size_t Convert(char*buf, const char*psz, size_t n)
+ {
+ size_t inbuf = strlen(psz);
+ if (buf) cnv.Convert(psz,buf);
+ return inbuf;
+ }
+
+public:
+ wxEncodingConverter cnv;
+};
+
+#else // !wxUSE_WCHAR_T
+
+// ----------------------------------------------------------------------------
+// stand-ins in absence of wchar_t
+// ----------------------------------------------------------------------------
+
+WXDLLEXPORT_DATA(wxMBConv) wxConvLibc, wxConvFile;
+
+#endif // wxUSE_WCHAR_T
projects / wxWidgets.git / blobdiff