#pragma hdrstop
#endif
+#ifndef WX_PRECOMP
+ #include "wx/intl.h"
+ #include "wx/log.h"
+#endif // WX_PRECOMP
+
#ifdef __WXMSW__
- #include "wx/msw/private.h"
+ #include "wx/msw/private.h"
#endif
#include <errno.h>
#include <string.h>
#include <stdlib.h>
-
-#include "wx/debug.h"
+#include "wx/module.h"
#include "wx/strconv.h"
-#include "wx/intl.h"
-#include "wx/log.h"
// ----------------------------------------------------------------------------
// globals
// ----------------------------------------------------------------------------
+#if wxUSE_WCHAR_T
+ WXDLLEXPORT_DATA(wxMBConv) wxConvLibc;
+ WXDLLEXPORT_DATA(wxCSConv) wxConvLocal((const wxChar *)NULL);
+#else
+ // stand-ins in absence of wchar_t
+ WXDLLEXPORT_DATA(wxMBConv) wxConvLibc, wxConvFile;
+#endif // wxUSE_WCHAR_T
+
WXDLLEXPORT_DATA(wxMBConv *) wxConvCurrent = &wxConvLibc;
+class wxStrConvModule: public wxModule
+{
+public:
+ wxStrConvModule() : wxModule() { }
+ virtual bool OnInit() { return TRUE; }
+ virtual void OnExit()
+ {
+#if wxUSE_WCHAR_T
+ wxConvLocal.Clear();
+#endif
+ }
-// ============================================================================
-// implementation
-// ============================================================================
+ DECLARE_DYNAMIC_CLASS(wxStrConvModule)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxStrConvModule, wxModule)
+
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
#if wxUSE_WCHAR_T
#ifdef __SALFORDC__
- #include <clib.h>
+ #include <clib.h>
#endif
-#ifdef HAVE_ICONV_H
- #include <iconv.h>
+#ifdef HAVE_ICONV
+ #include <iconv.h>
#endif
-#ifdef __WXMSW__
- #include <windows.h>
-#endif
+#include "wx/encconv.h"
+#include "wx/fontmap.h"
+
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
#define BSWAP_UCS4(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT32_SWAP_ALWAYS(str[_c]); }
#define BSWAP_UTF16(str, len) { unsigned _c; for (_c=0; _c<len; _c++) str[_c]=wxUINT16_SWAP_ALWAYS(str[_c]); }
#error "Weird sizeof(wchar_t): please report your platform details to wx-users mailing list"
#endif
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// UTF-16 en/decoding
+// ----------------------------------------------------------------------------
#ifdef WC_UTF16
{
if (input<=0xffff)
{
- if (output) *output++ = input;
+ if (output) *output++ = (wchar_t) input;
return 1;
}
else if (input>=0x110000)
{
if (output)
{
- *output++ = (input >> 10)+0xd7c0;
- *output++ = (input&0x3ff)+0xdc00;
+ *output++ = (wchar_t) ((input >> 10)+0xd7c0);
+ *output++ = (wchar_t) ((input&0x3ff)+0xdc00);
}
return 2;
}
// wxMBConv
// ----------------------------------------------------------------------------
-WXDLLEXPORT_DATA(wxMBConv) wxConvLibc;
-
size_t wxMBConv::MB2WC(wchar_t *buf, const char *psz, size_t n) const
{
return wxMB2WC(buf, psz, n);
if (buf)
buf += pa;
len += pa;
-#else
+#else // !WC_UTF16
if (buf)
*buf++ = res;
len++;
-#endif
+#endif // WC_UTF16/!WC_UTF16
}
}
}
{
// plain ASCII char
if (buf)
- *buf++ = cc;
+ *buf++ = (char) cc;
len++;
}
len += cnt + 1;
if (buf)
{
- *buf++ = (-128 >> cnt) | ((cc >> (cnt * 6)) & (0x3f >> cnt));
+ *buf++ = (char) ((-128 >> cnt) | ((cc >> (cnt * 6)) & (0x3f >> cnt)));
while (cnt--)
- *buf++ = 0x80 | ((cc >> (cnt * 6)) & 0x3f);
+ *buf++ = (char) (0x80 | ((cc >> (cnt * 6)) & 0x3f));
}
}
}
return len;
}
+// ============================================================================
+// wxCharacterSet and derived classes
+// ============================================================================
+
// ----------------------------------------------------------------------------
-// specified character set
+// wxCharacterSet is the ABC for the classes below
// ----------------------------------------------------------------------------
-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
-
-#if defined(__WIN32__) && !defined(__WXMICROWIN__)
-#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);
-
- if (!key.Exists()) break;
-
- // 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.HasValue(wxT("AliasForCharset")) ||
- !key.QueryValue(wxT("AliasForCharset"), cn)) break;
- } while (1);
-
- return CP;
-}
-#endif
-
class wxCharacterSet
{
public:
- 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; }
+ wxCharacterSet(const wxChar*name) : cname(name) {}
+ virtual ~wxCharacterSet() {}
+ virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) = 0;
+ virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) = 0;
+ virtual bool usable() const = 0;
public:
const wxChar*cname;
};
+// ----------------------------------------------------------------------------
+// ID_CharSet: implementation of wxCharacterSet using an existing wxMBConv
+// ----------------------------------------------------------------------------
+
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 WC2MB(char *buf, const wchar_t *psz, size_t n)
{ return work ? work->WC2MB(buf,psz,n) : (size_t)-1; }
- bool usable()
+ bool usable() const
{ return work!=NULL; }
public:
wxMBConv*work;
};
-#ifdef HAVE_ICONV_H
+// ============================================================================
+// The classes doing conversion using the iconv_xxx() functions
+// ============================================================================
-bool g_wcNeedsSwap = FALSE;
-static const char *g_wcCharset = NULL;
+#ifdef HAVE_ICONV
// 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
#define ICONV_FAILED(cres, bufLeft) (cres == (size_t)-1)
#endif
+#define ICONV_CHAR_CAST(x) ((ICONV_CONST char **)(x))
+
+// ----------------------------------------------------------------------------
+// IC_CharSet: encapsulates an iconv character set
+// ----------------------------------------------------------------------------
+
class IC_CharSet : public wxCharacterSet
{
public:
- IC_CharSet(const wxChar *name)
- : wxCharacterSet(name)
+ IC_CharSet(const wxChar *name);
+ virtual ~IC_CharSet();
+
+ virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n);
+ virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n);
+
+ bool usable() const
+ { return (m2w != (iconv_t)-1) && (w2m != (iconv_t)-1); }
+
+protected:
+ // the iconv handlers used to translate from multibyte to wide char and in
+ // the other direction
+ iconv_t m2w,
+ w2m;
+
+private:
+ // the name (for iconv_open()) of a wide char charset - if none is
+ // available on this machine, it will remain NULL
+ static const char *ms_wcCharsetName;
+
+ // true if the wide char encoding we use (i.e. ms_wcCharsetName) has
+ // different endian-ness than the native one
+ static bool ms_wcNeedsSwap;
+};
+
+const char *IC_CharSet::ms_wcCharsetName = NULL;
+bool IC_CharSet::ms_wcNeedsSwap = FALSE;
+
+IC_CharSet::IC_CharSet(const wxChar *name)
+ : wxCharacterSet(name)
+{
+ // check for charset that represents wchar_t:
+ if (ms_wcCharsetName == NULL)
{
- // check for charset that represents wchar_t:
- if (g_wcCharset == NULL)
- {
- g_wcNeedsSwap = FALSE;
+ ms_wcNeedsSwap = FALSE;
- // try charset with explicit bytesex info (e.g. "UCS-4LE"):
- g_wcCharset = WC_NAME_BEST;
- m2w = iconv_open(g_wcCharset, wxConvLibc.cWX2MB(name));
+ // try charset with explicit bytesex info (e.g. "UCS-4LE"):
+ ms_wcCharsetName = WC_NAME_BEST;
+ m2w = iconv_open(ms_wcCharsetName, wxConvLibc.cWX2MB(name));
+ if (m2w == (iconv_t)-1)
+ {
+ // try charset w/o bytesex info (e.g. "UCS4")
+ // and check for bytesex ourselves:
+ ms_wcCharsetName = WC_NAME;
+ m2w = iconv_open(ms_wcCharsetName, wxConvLibc.cWX2MB(name));
+
+ // last bet, try if it knows WCHAR_T pseudo-charset
if (m2w == (iconv_t)-1)
{
- // try charset w/o bytesex info (e.g. "UCS4")
- // and check for bytesex ourselves:
- g_wcCharset = WC_NAME;
- m2w = iconv_open(g_wcCharset, wxConvLibc.cWX2MB(name));
+ ms_wcCharsetName = "WCHAR_T";
+ m2w = iconv_open(ms_wcCharsetName, wxConvLibc.cWX2MB(name));
+ }
- // last bet, try if it knows WCHAR_T pseudo-charset
- if (m2w == (iconv_t)-1)
+ if (m2w != (iconv_t)-1)
+ {
+ char buf[2], *bufPtr;
+ wchar_t wbuf[2], *wbufPtr;
+ size_t insz, outsz;
+ size_t res;
+
+ buf[0] = 'A';
+ buf[1] = 0;
+ wbuf[0] = 0;
+ insz = 2;
+ outsz = SIZEOF_WCHAR_T * 2;
+ wbufPtr = wbuf;
+ bufPtr = buf;
+
+ res = iconv(m2w, ICONV_CHAR_CAST(&bufPtr), &insz,
+ (char**)&wbufPtr, &outsz);
+
+ if (ICONV_FAILED(res, insz))
{
- g_wcCharset = "WCHAR_T";
- m2w = iconv_open(g_wcCharset, wxConvLibc.cWX2MB(name));
- }
-
- if (m2w != (iconv_t)-1)
- {
- char buf[2], *bufPtr;
- wchar_t wbuf[2], *wbufPtr;
- size_t insz, outsz;
- size_t res;
-
- buf[0] = 'A';
- buf[1] = 0;
- wbuf[0] = 0;
- insz = 2;
- outsz = SIZEOF_WCHAR_T * 2;
- wbufPtr = wbuf;
- bufPtr = buf;
-
- #ifdef WX_ICONV_TAKES_CHAR
- res = iconv(m2w, (char**)&bufPtr, &insz, (char**)&wbufPtr, &outsz);
- #else
- res = iconv(m2w, (const char**)&bufPtr, &insz, (char**)&wbufPtr, &outsz);
- #endif
- if (ICONV_FAILED(res, insz))
- {
- g_wcCharset = NULL;
- wxLogLastError(wxT("iconv"));
- wxLogError(_("Convertion to charset '%s' doesn't work."), name);
- }
- else
- {
- g_wcNeedsSwap = (wbuf[0] != (wchar_t)buf[0]);
- }
+ ms_wcCharsetName = NULL;
+ wxLogLastError(wxT("iconv"));
+ wxLogError(_("Convertion to charset '%s' doesn't work."), name);
}
else
{
- g_wcCharset = NULL;
- wxLogError(_("Don't know how to convert to/from charset '%s'."), name);
+ ms_wcNeedsSwap = wbuf[0] != (wchar_t)buf[0];
}
}
- wxLogTrace(wxT("strconv"), wxT("wchar_t charset is '%s', needs swap: %i"), g_wcCharset, g_wcNeedsSwap);
+ else
+ {
+ ms_wcCharsetName = NULL;
+
+ // VS: we must not output an error here, since wxWindows will safely
+ // fall back to using wxEncodingConverter.
+ wxLogTrace(wxT("strconv"), wxT("Impossible to convert to/from charset '%s' with iconv, falling back to wxEncodingConverter."), name);
+ //wxLogError(
+ }
}
- else
- m2w = iconv_open(g_wcCharset, wxConvLibc.cWX2MB(name));
-
- w2m = iconv_open(wxConvLibc.cWX2MB(name), g_wcCharset);
+ wxLogTrace(wxT("strconv"), wxT("wchar_t charset is '%s', needs swap: %i"), ms_wcCharsetName, ms_wcNeedsSwap);
}
-
- ~IC_CharSet()
+ else // we already have ms_wcCharsetName
{
- if ( m2w != (iconv_t)-1 )
- iconv_close(m2w);
- if ( w2m != (iconv_t)-1 )
- iconv_close(w2m);
+ m2w = iconv_open(ms_wcCharsetName, wxConvLibc.cWX2MB(name));
}
- size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
+ // NB: don't ever pass NULL to iconv_open(), it may crash!
+ if ( ms_wcCharsetName )
{
- size_t inbuf = strlen(psz);
- 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;
+ w2m = iconv_open(wxConvLibc.cWX2MB(name), ms_wcCharsetName);
+ }
+ else
+ {
+ w2m = (iconv_t)-1;
+ }
+}
- if (buf)
- {
- // have destination buffer, convert there
-#ifdef WX_ICONV_TAKES_CHAR
- cres = iconv(m2w, (char**)&pszPtr, &inbuf, (char**)&bufPtr, &outbuf);
-#else
- cres = iconv(m2w, &pszPtr, &inbuf, (char**)&bufPtr, &outbuf);
-#endif
- res = n - (outbuf / SIZEOF_WCHAR_T);
+IC_CharSet::~IC_CharSet()
+{
+ if ( m2w != (iconv_t)-1 )
+ iconv_close(m2w);
+ if ( w2m != (iconv_t)-1 )
+ iconv_close(w2m);
+}
- if (g_wcNeedsSwap)
- {
- // convert to native endianness
- WC_BSWAP(buf /* _not_ bufPtr */, res)
- }
- }
- else
- {
- // no destination buffer... convert using temp buffer
- // to calculate destination buffer requirement
- wchar_t tbuf[8];
- res = 0;
- do {
- bufPtr = tbuf; outbuf = 8*SIZEOF_WCHAR_T;
-#ifdef WX_ICONV_TAKES_CHAR
- cres = iconv( m2w, (char**)&pszPtr, &inbuf, (char**)&bufPtr, &outbuf );
-#else
- cres = iconv( m2w, &pszPtr, &inbuf, (char**)&bufPtr, &outbuf );
-#endif
- res += 8-(outbuf/SIZEOF_WCHAR_T);
- } while ((cres==(size_t)-1) && (errno==E2BIG));
- }
+size_t IC_CharSet::MB2WC(wchar_t *buf, const char *psz, size_t n)
+{
+ size_t inbuf = strlen(psz);
+ size_t outbuf = n * SIZEOF_WCHAR_T;
+ size_t res, cres;
+ // VS: Use these instead of psz, buf because iconv() modifies its arguments:
+ wchar_t *bufPtr = buf;
+ const char *pszPtr = psz;
- if (ICONV_FAILED(cres, inbuf))
+ if (buf)
+ {
+ // have destination buffer, convert there
+ cres = iconv(m2w,
+ ICONV_CHAR_CAST(&pszPtr), &inbuf,
+ (char**)&bufPtr, &outbuf);
+ res = n - (outbuf / SIZEOF_WCHAR_T);
+
+ if (ms_wcNeedsSwap)
{
- //VS: it is ok if iconv fails, hence trace only
- wxLogTrace(wxT("strconv"), wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
- return (size_t)-1;
+ // convert to native endianness
+ WC_BSWAP(buf /* _not_ bufPtr */, res)
}
+ }
+ else
+ {
+ // no destination buffer... convert using temp buffer
+ // to calculate destination buffer requirement
+ wchar_t tbuf[8];
+ res = 0;
+ do {
+ bufPtr = tbuf;
+ outbuf = 8*SIZEOF_WCHAR_T;
- return res;
+ cres = iconv(m2w,
+ ICONV_CHAR_CAST(&pszPtr), &inbuf,
+ (char**)&bufPtr, &outbuf );
+
+ res += 8-(outbuf/SIZEOF_WCHAR_T);
+ } while ((cres==(size_t)-1) && (errno==E2BIG));
}
- size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
+ if (ICONV_FAILED(cres, inbuf))
{
+ //VS: it is ok if iconv fails, hence trace only
+ wxLogTrace(wxT("strconv"), wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
+ return (size_t)-1;
+ }
+
+ return res;
+}
+
+size_t IC_CharSet::WC2MB(char *buf, const wchar_t *psz, size_t n)
+{
#if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)
- size_t inbuf = std::wcslen(psz) * SIZEOF_WCHAR_T;
+ size_t inbuf = std::wcslen(psz) * SIZEOF_WCHAR_T;
#else
- size_t inbuf = ::wcslen(psz) * SIZEOF_WCHAR_T;
+ size_t inbuf = ::wcslen(psz) * SIZEOF_WCHAR_T;
#endif
- size_t outbuf = n;
- size_t res, cres;
-
- wchar_t *tmpbuf = 0;
+ size_t outbuf = n;
+ size_t res, cres;
- if (g_wcNeedsSwap)
- {
- // 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)
- tmpbuf=(wchar_t*)malloc((inbuf+1)*SIZEOF_WCHAR_T);
- memcpy(tmpbuf,psz,(inbuf+1)*SIZEOF_WCHAR_T);
- WC_BSWAP(tmpbuf, inbuf)
- psz=tmpbuf;
- }
+ wchar_t *tmpbuf = 0;
- 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
- {
- // 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 (ms_wcNeedsSwap)
+ {
+ // 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)
+ tmpbuf=(wchar_t*)malloc((inbuf+1)*SIZEOF_WCHAR_T);
+ memcpy(tmpbuf,psz,(inbuf+1)*SIZEOF_WCHAR_T);
+ WC_BSWAP(tmpbuf, inbuf)
+ psz=tmpbuf;
+ }
- if (g_wcNeedsSwap)
- {
- free(tmpbuf);
- }
+ if (buf)
+ {
+ // have destination buffer, convert there
+ cres = iconv( w2m, ICONV_CHAR_CAST(&psz), &inbuf, &buf, &outbuf );
- if (ICONV_FAILED(cres, inbuf))
- {
- //VS: it is ok if iconv fails, hence trace only
- wxLogTrace(wxT("strconv"), wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
- return (size_t)-1;
- }
+ res = n-outbuf;
+ }
+ else
+ {
+ // no destination buffer... convert using temp buffer
+ // to calculate destination buffer requirement
+ char tbuf[16];
+ res = 0;
+ do {
+ buf = tbuf; outbuf = 16;
- return res;
+ cres = iconv( w2m, ICONV_CHAR_CAST(&psz), &inbuf, &buf, &outbuf );
+
+ res += 16 - outbuf;
+ } while ((cres==(size_t)-1) && (errno==E2BIG));
}
- bool usable()
- { return (m2w != (iconv_t)-1) && (w2m != (iconv_t)-1); }
+ if (ms_wcNeedsSwap)
+ {
+ free(tmpbuf);
+ }
-protected:
- iconv_t m2w, w2m;
-};
-#endif
+ if (ICONV_FAILED(cres, inbuf))
+ {
+ //VS: it is ok if iconv fails, hence trace only
+ wxLogTrace(wxT("strconv"), wxT("iconv failed: %s"), wxSysErrorMsg(wxSysErrorCode()));
+ return (size_t)-1;
+ }
+
+ return res;
+}
+
+#endif // HAVE_ICONV
+
+// ============================================================================
+// Win32 conversion classes
+// ============================================================================
#if defined(__WIN32__) && !defined(__WXMICROWIN__)
+
+extern long wxCharsetToCodepage(const wxChar *charset); // from utils.cpp
+
class CP_CharSet : public wxCharacterSet
{
public:
- CP_CharSet(const wxChar*name)
- : wxCharacterSet(name), CodePage(CharsetToCodepage(name)) {}
+ CP_CharSet(const wxChar* name)
+ : wxCharacterSet(name)
+ {
+ m_CodePage = wxCharsetToCodepage(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);
+ MultiByteToWideChar(m_CodePage, 0, psz, -1, buf, buf ? n : 0);
//VS: returns # of written chars for buf!=NULL and *size*
// needed buffer for buf==NULL
return len ? (buf ? len : len-1) : (size_t)-1;
size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
{
- size_t len = WideCharToMultiByte(CodePage, 0, psz, -1, buf,
+ size_t len = WideCharToMultiByte(m_CodePage, 0, psz, -1, buf,
buf ? n : 0, NULL, NULL);
//VS: returns # of written chars for buf!=NULL and *size*
// needed buffer for buf==NULL
return len ? (buf ? len : len-1) : (size_t)-1;
}
- bool usable()
- { return CodePage != -1; }
+ bool usable() const
+ { return m_CodePage != -1; }
public:
- long CodePage;
+ long m_CodePage;
};
#endif // __WIN32__
+// ============================================================================
+// wxEncodingConverter based conversion classes
+// ============================================================================
+
#if wxUSE_FONTMAP
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)
+ 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);
+ enc = wxFontMapper::Get()->CharsetToEncoding(name, FALSE);
+
+ m_ok = m2w.Init(enc, wxFONTENCODING_UNICODE) &&
+ 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 WXUNUSED(n))
{
size_t inbuf = strlen(psz);
if (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 WXUNUSED(n))
{
-#if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)
+#if ( defined(__BORLANDC__) && (__BORLANDC__ > 0x530) ) \
+ || ( defined(__MWERKS__) && defined(__WXMSW__) )
size_t inbuf = std::wcslen(psz);
#else
size_t inbuf = ::wcslen(psz);
return inbuf;
}
- bool usable()
- { return (enc!=wxFONTENCODING_SYSTEM) && (enc!=wxFONTENCODING_DEFAULT); }
+ bool usable() const { return m_ok; }
public:
wxFontEncoding enc;
wxEncodingConverter m2w, w2m;
+
+ // were we initialized successfully?
+ bool m_ok;
};
#endif // wxUSE_FONTMAP
+// ----------------------------------------------------------------------------
+// the function creating the wxCharacterSet for the specified charset on the
+// current system, trying all possibilities
+// ----------------------------------------------------------------------------
+
static wxCharacterSet *wxGetCharacterSet(const wxChar *name)
{
- wxCharacterSet *cset = NULL;
- if (name)
+ // check for the special case of ASCII charset
+#if wxUSE_FONTMAP
+ if ( wxFontMapper::Get()->CharsetToEncoding(name) == wxFONTENCODING_DEFAULT )
+#else // wxUSE_FONTMAP
+ if ( !name )
+#endif // wxUSE_FONTMAP/!wxUSE_FONTMAP
{
- if (wxStricmp(name, wxT("UTF8")) == 0 || wxStricmp(name, wxT("UTF-8")) == 0)
- {
- cset = new ID_CharSet(name, &wxConvUTF8);
- }
- else
- {
-#ifdef HAVE_ICONV_H
- cset = new IC_CharSet(name); // may not take NULL
-#endif
- }
+ // don't convert at all
+ return NULL;
}
- if (cset && cset->usable())
- return cset;
+ // the test above must have taken care of this case
+ wxCHECK_MSG( name, NULL, _T("NULL name must be wxFONTENCODING_DEFAULT") );
+
+ wxCharacterSet *cset;
+
+ if ( wxStricmp(name, wxT("UTF8")) == 0 || wxStricmp(name, wxT("UTF-8")) == 0)
+ {
+ cset = new ID_CharSet(name, &wxConvUTF8);
+ }
+ else
+ {
+#ifdef HAVE_ICONV
+ cset = new IC_CharSet(name);
+#else // !HAVE_ICONV
+ cset = NULL;
+#endif // HAVE_ICONV/!HAVE_ICONV
+ }
- if (cset)
+ // it can only be NULL in this case
+#ifndef HAVE_ICONV
+ if ( cset )
+#endif // !HAVE_ICONV
{
+ if ( cset->usable() )
+ return cset;
+
delete cset;
cset = NULL;
}
#if defined(__WIN32__) && !defined(__WXMICROWIN__)
- cset = new CP_CharSet(name); // may take NULL
- if (cset->usable())
+ cset = new CP_CharSet(name);
+ if ( cset->usable() )
return cset;
delete cset;
+ cset = NULL;
#endif // __WIN32__
#if wxUSE_FONTMAP
cset = new EC_CharSet(name);
- if (cset->usable())
+ if ( cset->usable() )
return cset;
-#endif // wxUSE_FONTMAP
delete cset;
- wxLogError(_("Unknown encoding '%s'!"), name);
+ cset = NULL;
+#endif // wxUSE_FONTMAP
+
+ wxLogError(_("Cannot convert from encoding '%s'!"), name);
+
return NULL;
}
+// ============================================================================
+// wxCSConv implementation
+// ============================================================================
+
wxCSConv::wxCSConv(const wxChar *charset)
{
m_name = (wxChar *)NULL;
wxCSConv::~wxCSConv()
{
- free(m_name);
- delete m_cset;
+ Clear();
+}
+
+void wxCSConv::Clear()
+{
+ if (m_name)
+ free(m_name);
+ if (m_cset)
+ delete m_cset;
+ m_name = NULL;
+ m_cset = NULL;
}
void wxCSConv::SetName(const wxChar *charset)
return m_cset->WC2MB(buf, psz, n);
// latin-1 (direct)
-#if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)
+#if ( defined(__BORLANDC__) && (__BORLANDC__ > 0x530) ) \
+ || ( defined(__MWERKS__) && defined(__WXMSW__) )
size_t len=std::wcslen(psz);
#else
size_t len=::wcslen(psz);
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
- if (res == (size_t)-1)
- return (size_t)-1;
- return (n - outbuf);
- }
-
-public:
- iconv_t cnv;
-};
-
-#endif // HAVE_ICONV_H
-
-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