added wxLocale::GetSystemEncoding

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10394 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2001-05-31 20:27:37 +00:00
parent 0d6ae333cd
commit dccce9eae1
8 changed files with 326 additions and 158 deletions

View File

@@ -13,6 +13,68 @@ a window's text.
<wx/font.h>
\wxheading{Constants}
\begin{verbatim}
enum wxFontEncoding
{
wxFONTENCODING_SYSTEM = -1, // system default
wxFONTENCODING_DEFAULT, // current default encoding
// ISO8859 standard defines a number of single-byte charsets
wxFONTENCODING_ISO8859_1, // West European (Latin1)
wxFONTENCODING_ISO8859_2, // Central and East European (Latin2)
wxFONTENCODING_ISO8859_3, // Esperanto (Latin3)
wxFONTENCODING_ISO8859_4, // Baltic (old) (Latin4)
wxFONTENCODING_ISO8859_5, // Cyrillic
wxFONTENCODING_ISO8859_6, // Arabic
wxFONTENCODING_ISO8859_7, // Greek
wxFONTENCODING_ISO8859_8, // Hebrew
wxFONTENCODING_ISO8859_9, // Turkish (Latin5)
wxFONTENCODING_ISO8859_10, // Variation of Latin4 (Latin6)
wxFONTENCODING_ISO8859_11, // Thai
wxFONTENCODING_ISO8859_12, // doesn't exist currently, but put it
// here anyhow to make all ISO8859
// consecutive numbers
wxFONTENCODING_ISO8859_13, // Baltic (Latin7)
wxFONTENCODING_ISO8859_14, // Latin8
wxFONTENCODING_ISO8859_15, // Latin9 (a.k.a. Latin0, includes euro)
wxFONTENCODING_ISO8859_MAX,
// Cyrillic charset soup (see http://czyborra.com/charsets/cyrillic.html)
wxFONTENCODING_KOI8, // we don't support any of KOI8 variants
wxFONTENCODING_ALTERNATIVE, // same as MS-DOS CP866
wxFONTENCODING_BULGARIAN, // used under Linux in Bulgaria
// what would we do without Microsoft? They have their own encodings
// for DOS
wxFONTENCODING_CP437, // original MS-DOS codepage
wxFONTENCODING_CP850, // CP437 merged with Latin1
wxFONTENCODING_CP852, // CP437 merged with Latin2
wxFONTENCODING_CP855, // another cyrillic encoding
wxFONTENCODING_CP866, // and another one
// and for Windows
wxFONTENCODING_CP874, // WinThai
wxFONTENCODING_CP1250, // WinLatin2
wxFONTENCODING_CP1251, // WinCyrillic
wxFONTENCODING_CP1252, // WinLatin1
wxFONTENCODING_CP1253, // WinGreek (8859-7)
wxFONTENCODING_CP1254, // WinTurkish
wxFONTENCODING_CP1255, // WinHebrew
wxFONTENCODING_CP1256, // WinArabic
wxFONTENCODING_CP1257, // WinBaltic (same as Latin 7)
wxFONTENCODING_CP12_MAX,
wxFONTENCODING_UTF7, // UTF-7 Unicode encoding
wxFONTENCODING_UTF8, // UTF-8 Unicode encoding
wxFONTENCODING_UNICODE, // Unicode - currently used only by
// wxEncodingConverter class
wxFONTENCODING_MAX
};
\end{verbatim}
\wxheading{Predefined objects}
Objects:

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@@ -31,10 +31,9 @@ for "equivalent" encodings (e.g. iso8859-2 and cp1250) and tries them.
If you need to display text in encoding which is not available at
host system (see \helpref{IsEncodingAvailable}{wxfontmapperisencodingavailable}),
you may use these two classes to a) find font in some similar encoding
you may use these two classes to find font in some similar encoding
(see \helpref{GetAltForEncoding}{wxfontmappergetaltforencoding})
and
b) convert the text to this encoding
and convert the text to this encoding
(\helpref{wxEncodingConverter::Convert}{wxencodingconverterconvert}).
Following code snippet demonstrates it:

View File

@@ -438,6 +438,26 @@ Returns current platform-specific locale name as passed to setlocale().
Compare \helpref{GetCanonicalName}{wxlocalegetcanonicalname}.
\membersection{wxLocale::GetSystemEncoding}\label{wxlocalegetsystemencoding}
\constfunc{static wxFontEncoding}{GetSystemEncoding}{\void}
Tries to detect the user's default font encoding.
Returns \helpref{wxFontEncoding}{wxfont} value or
{\bf wxFONTENCODING\_SYSTEM} if it couldn't be determined.
\membersection{wxLocale::GetSystemEncodingName}\label{wxlocalegetsystemencodingname}
\constfunc{static wxString}{GetSystemEncodingName}{\void}
Tries to detect the name of the user's default font encoding. This string isn't
particularly useful for the application as its form is platform-dependent and
so you should probably use
\helpref{GetSystemEncoding}{wxlocalegetsystemencoding} instead.
Returns a user-readable string value or an empty string if it couldn't be
determined.
\membersection{wxLocale::GetSystemLanguage}\label{wxlocalegetsystemlanguage}
\constfunc{static int}{GetSystemLanguage}{\void}

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@@ -9,8 +9,8 @@
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#ifndef __INTLH__
#define __INTLH__
#ifndef _WX_INTL_H_
#define _WX_INTL_H_
#ifdef __GNUG__
#pragma interface "intl.h"
@@ -21,6 +21,8 @@
#if wxUSE_INTL
#include "wx/fontenc.h"
// ============================================================================
// global decls
// ============================================================================
@@ -301,8 +303,6 @@ enum wxLanguage
// --- --- --- generated code ends here --- --- ---
// ----------------------------------------------------------------------------
// wxLanguageInfo: encapsulates wxLanguage to OS native lang.desc.
// translation information
@@ -313,8 +313,9 @@ struct WXDLLEXPORT wxLanguageInfo
int Language; // wxLanguage id
wxString CanonicalName; // Canonical name, e.g. fr_FR
#ifdef __WIN32__
wxUint32 WinLang, WinSublang; // Win32 language identifiers
#endif
wxUint32 WinLang, // Win32 language identifiers
WinSublang;
#endif // __WIN32__
wxString Description; // human-readable name of the language
};
@@ -329,7 +330,6 @@ enum wxLocaleInitFlags
wxLOCALE_CONV_ENCODING = 0x0002 // convert encoding on the fly?
};
class WXDLLEXPORT wxLocale
{
public:
@@ -370,6 +370,14 @@ public:
// Return wxLANGUAGE_UNKNOWN if language-guessing algorithm failed
static int GetSystemLanguage();
// get the encoding used by default for text on this system, returns
// wxFONTENCODING_SYSTEM if it couldn't be determined
static wxFontEncoding GetSystemEncoding();
// get the string describing the system encoding, return empty string if
// couldn't be determined
static wxString GetSystemEncodingName();
// return TRUE if the locale was set successfully
bool IsOk() const { return m_pszOldLocale != NULL; }
@@ -492,5 +500,5 @@ inline const wxChar *wxGetTranslation(const wxChar *sz) { return sz; }
#define gettext_noop(str) _T(str)
#endif
#endif
// _WX_INTLH__
#endif // _WX_INTL_H_

View File

@@ -23,6 +23,7 @@
#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
# undef __BSEXCPT__
#endif
#include <stdlib.h>
#if wxUSE_WCHAR_T
@@ -133,6 +134,8 @@ public:
private:
void SetName(const wxChar *charset);
// note that we can't use wxString here because of compilation
// dependencies: we're included from wx/string.h
wxChar *m_name;
wxCharacterSet *m_cset;
bool m_deferred;

View File

@@ -39,7 +39,7 @@
//#define TEST_CHARSET
//#define TEST_CMDLINE
//#define TEST_DATETIME
#define TEST_DIR
//#define TEST_DIR
//#define TEST_DLLLOADER
//#define TEST_ENVIRON
//#define TEST_EXECUTE
@@ -50,7 +50,7 @@
//#define TEST_HASH
//#define TEST_INFO_FUNCTIONS
//#define TEST_LIST
//#define TEST_LOCALE
#define TEST_LOCALE
//#define TEST_LOG
//#define TEST_LONGLONG
//#define TEST_MIME
@@ -1173,11 +1173,19 @@ static void TestDefaultLang()
_T("klingonese"), // I bet on some systems it does exist...
};
wxPrintf(_T("The default system encoding is %s (%d)\n"),
wxLocale::GetSystemEncodingName().c_str(),
wxLocale::GetSystemEncoding());
for ( size_t n = 0; n < WXSIZEOF(langStrings); n++ )
{
const char *langStr = langStrings[n];
if ( langStr )
{
// FIXME: this doesn't do anything at all under Windows, we need
// to create a new wxLocale!
wxSetEnv(_T("LC_ALL"), langStr);
}
int lang = gs_localeDefault.GetSystemLanguage();
printf("Locale for '%s' is %s.\n",

View File

@@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////////
// Name: intl.cpp
// Name: src/common/intl.cpp
// Purpose: Internationalization and localisation for wxWindows
// Author: Vadim Zeitlin
// Modified by:
@@ -31,27 +31,30 @@
#if wxUSE_INTL
// standard headers
#include <locale.h>
#include <ctype.h>
#include <locale.h>
#include <ctype.h>
#include <stdlib.h>
// wxWindows
#include "wx/defs.h"
#include "wx/string.h"
#include "wx/tokenzr.h"
#include "wx/intl.h"
#ifndef WX_PRECOMP
#include "wx/string.h"
#include "wx/intl.h"
#include "wx/log.h"
#include "wx/debug.h"
#include "wx/utils.h"
#include "wx/dynarray.h"
#endif // WX_PRECOMP
#include "wx/file.h"
#include "wx/log.h"
#include "wx/debug.h"
#include "wx/utils.h"
#include "wx/dynarray.h"
#include "wx/tokenzr.h"
#include "wx/module.h"
#ifdef __WIN32__
#include "wx/msw/private.h"
#include "wx/msw/private.h"
#elif defined(__UNIX_LIKE__)
#include "wx/fontmap.h" // for CharsetToEncoding()
#endif
#include <stdlib.h>
// ----------------------------------------------------------------------------
// simple types
// ----------------------------------------------------------------------------
@@ -930,6 +933,87 @@ void wxLocale::AddCatalogLookupPathPrefix(const wxString& prefix)
return wxLANGUAGE_UNKNOWN;
}
// ----------------------------------------------------------------------------
// encoding stuff
// ----------------------------------------------------------------------------
// this is a bit strange as under Windows we get the encoding name using its
// numeric value and under Unix we do it the other way round, but this just
// reflects the way different systems provide he encoding info
/* static */
wxString wxLocale::GetSystemEncodingName()
{
wxString encname;
#ifdef __WIN32__
// FIXME: what is the error return value for GetACP()?
UINT codepage = ::GetACP();
encname.Printf(_T("cp%u"), codepage);
#elif defined(__UNIX_LIKE__)
#if defined(HAVE_LANGINFO_H) && defined(CODESET)
// GNU libc provides current character set this way (this conforms
// to Unix98)
char *alang = nl_langinfo(CODESET);
if (alang)
{
encname = wxConvLibc.cMB2WX(alang);
}
else
#endif // HAVE_LANGINFO_H
{
// 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"));
wxChar *dot = lang ? wxStrchr(lang, wxT('.')) : (wxChar *)NULL;
if (!dot)
{
lang = wxGetenv(wxT("LC_CTYPE"));
if ( lang )
dot = wxStrchr(lang, wxT('.'));
}
if (!dot)
{
lang = wxGetenv(wxT("LANG"));
if ( lang )
dot = wxStrchr(lang, wxT('.'));
}
if ( dot )
{
encname = dot+1;
}
}
#endif // Win32/Unix
return encname;
}
/* static */
wxFontEncoding wxLocale::GetSystemEncoding()
{
#ifdef __WIN32__
UINT codepage = ::GetACP();
// wxWindows only knows about CP1250-1257
if ( codepage >= 1250 && codepage <= 1257 )
{
return (wxFontEncoding)(wxFONTENCODING_CP1250 + codepage - 1250);
}
#elif defined(__UNIX_LIKE__)
wxString encname = GetSystemEncodingName();
if ( !encname.empty() )
{
return wxFontMapper::CharsetToEncoding(encname,
FALSE /* not interactive */);
}
#endif // Win32/Unix
return wxFONTENCODING_SYSTEM;
}
/*static*/ void wxLocale::AddLanguage(const wxLanguageInfo& info)
{
CreateLanguagesDB();

View File

@@ -93,18 +93,18 @@ WXDLLEXPORT_DATA(wxMBConv *) wxConvCurrent = &wxConvLibc;
static size_t encode_utf16(wxUint32 input,wxUint16*output)
{
if (input<=0xffff)
if (input<=0xffff)
{
if (output) *output++ = input;
return 1;
}
else if (input>=0x110000)
}
else if (input>=0x110000)
{
return (size_t)-1;
}
else
}
else
{
if (output)
if (output)
{
*output++ = (input >> 10)+0xd7c0;
*output++ = (input&0x3ff)+0xdc00;
@@ -115,17 +115,17 @@ static size_t encode_utf16(wxUint32 input,wxUint16*output)
static size_t decode_utf16(wxUint16*input,wxUint32&output)
{
if ((*input<0xd800) || (*input>0xdfff))
if ((*input<0xd800) || (*input>0xdfff))
{
output = *input;
return 1;
}
else if ((input[1]<0xdc00) || (input[1]>=0xdfff))
}
else if ((input[1]<0xdc00) || (input[1]>=0xdfff))
{
output = *input;
return (size_t)-1;
}
else
}
else
{
output = ((input[0] - 0xd7c0) << 10) + (input[1] - 0xdc00);
return 2;
@@ -209,11 +209,11 @@ WXDLLEXPORT_DATA(wxMBConvGdk) wxConvGdk;
size_t wxMBConvGdk::MB2WC(wchar_t *buf, const char *psz, size_t n) const
{
if (buf)
if (buf)
{
return gdk_mbstowcs((GdkWChar *)buf, psz, n);
}
else
}
else
{
GdkWChar *nbuf = new GdkWChar[n=strlen(psz)];
size_t len = gdk_mbstowcs(nbuf, psz, n);
@@ -226,12 +226,12 @@ 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 (buf)
{
if (len > n)
if (len > n)
len = n;
memcpy(buf, psz, len);
if (len < n)
if (len < n)
buf[len] = 0;
}
return len;
@@ -276,49 +276,49 @@ size_t wxMBConvUTF7::WC2MB(char * WXUNUSED(buf),
WXDLLEXPORT_DATA(wxMBConvUTF8) wxConvUTF8;
static wxUint32 utf8_max[]=
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)))
while (*psz && ((!buf) || (len < n)))
{
unsigned char cc = *psz++, fc = cc;
unsigned cnt;
for (cnt = 0; fc & 0x80; cnt++)
for (cnt = 0; fc & 0x80; cnt++)
fc <<= 1;
if (!cnt)
if (!cnt)
{
// plain ASCII char
if (buf)
if (buf)
*buf++ = cc;
len++;
}
else
}
else
{
cnt--;
if (!cnt)
if (!cnt)
{
// invalid UTF-8 sequence
return (size_t)-1;
}
else
}
else
{
unsigned ocnt = cnt - 1;
wxUint32 res = cc & (0x3f >> cnt);
while (cnt--)
while (cnt--)
{
cc = *psz++;
if ((cc & 0xC0) != 0x80)
if ((cc & 0xC0) != 0x80)
{
// invalid UTF-8 sequence
return (size_t)-1;
}
res = (res << 6) | (cc & 0x3f);
}
if (res <= utf8_max[ocnt])
if (res <= utf8_max[ocnt])
{
// illegal UTF-8 encoding
return (size_t)-1;
@@ -327,18 +327,18 @@ size_t wxMBConvUTF8::MB2WC(wchar_t *buf, const char *psz, size_t n) const
size_t pa = encode_utf16(res, buf);
if (pa == (size_t)-1)
return (size_t)-1;
if (buf)
if (buf)
buf += pa;
len += pa;
#else
if (buf)
if (buf)
*buf++ = res;
len++;
#endif
}
}
}
if (buf && (len < n))
if (buf && (len < n))
*buf = 0;
return len;
}
@@ -347,7 +347,7 @@ size_t wxMBConvUTF8::WC2MB(char *buf, const wchar_t *psz, size_t n) const
{
size_t len = 0;
while (*psz && ((!buf) || (len < n)))
while (*psz && ((!buf) || (len < n)))
{
wxUint32 cc;
#ifdef WC_UTF16
@@ -358,18 +358,18 @@ size_t wxMBConvUTF8::WC2MB(char *buf, const wchar_t *psz, size_t n) const
#endif
unsigned cnt;
for (cnt = 0; cc > utf8_max[cnt]; cnt++) {}
if (!cnt)
if (!cnt)
{
// plain ASCII char
if (buf)
if (buf)
*buf++ = cc;
len++;
}
else
}
else
{
len += cnt + 1;
if (buf)
if (buf)
{
*buf++ = (-128 >> cnt) | ((cc >> (cnt * 6)) & (0x3f >> cnt));
while (cnt--)
@@ -401,11 +401,11 @@ WXDLLEXPORT_DATA(wxCSConv) wxConvLocal((const wxChar *)NULL);
// this should work if M$ Internet Exploiter is installed
static long CharsetToCodepage(const wxChar *name)
{
if (!name)
if (!name)
return GetACP();
long CP=-1;
wxString cn(name);
do {
wxString path(wxT("MIME\\Database\\Charset\\"));
@@ -413,7 +413,7 @@ static long CharsetToCodepage(const wxChar *name)
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,
@@ -421,12 +421,12 @@ static long CharsetToCodepage(const wxChar *name)
// 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
@@ -438,7 +438,7 @@ public:
: 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)
{ return (size_t)-1; }
@@ -453,13 +453,13 @@ 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:
@@ -486,21 +486,21 @@ public:
class IC_CharSet : public wxCharacterSet
{
public:
IC_CharSet(const wxChar *name)
IC_CharSet(const wxChar *name)
: wxCharacterSet(name)
{
m2w = iconv_open(WC_NAME, wxConvLibc.cWX2MB(cname));
w2m = iconv_open(wxConvLibc.cWX2MB(cname), WC_NAME);
}
~IC_CharSet()
{
if ( m2w != (iconv_t)-1 )
if ( m2w != (iconv_t)-1 )
iconv_close(m2w);
if ( w2m != (iconv_t)-1 )
if ( w2m != (iconv_t)-1 )
iconv_close(w2m);
}
size_t MB2WC(wchar_t *buf, const char *psz, size_t n)
{
size_t inbuf = strlen(psz);
@@ -540,13 +540,13 @@ public:
res += 8-(outbuf/SIZEOF_WCHAR_T);
} while ((cres==(size_t)-1) && (errno==E2BIG));
}
if (ICONV_FAILED(cres, inbuf))
return (size_t)-1;
return res;
}
size_t WC2MB(char *buf, const wchar_t *psz, size_t n)
{
#if defined(__BORLANDC__) && (__BORLANDC__ > 0x530)
@@ -598,13 +598,13 @@ public:
#endif
if (ICONV_FAILED(cres, inbuf))
return (size_t)-1;
return res;
}
bool usable()
{ return (m2w != (iconv_t)-1) && (w2m != (iconv_t)-1); }
public:
iconv_t m2w, w2m;
};
@@ -614,23 +614,23 @@ public:
class CP_CharSet : public wxCharacterSet
{
public:
CP_CharSet(const wxChar*name)
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 =
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; }
@@ -644,7 +644,7 @@ 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),
EC_CharSet(const wxChar*name) : wxCharacterSet(name),
enc(wxFONTENCODING_SYSTEM)
{
if (name)
@@ -652,15 +652,15 @@ public:
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);
if (buf)
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)
@@ -670,10 +670,10 @@ public:
#endif
if (buf)
w2m.Convert(psz,buf);
return inbuf;
}
bool usable()
{ return (enc!=wxFONTENCODING_SYSTEM) && (enc!=wxFONTENCODING_DEFAULT); }
@@ -698,17 +698,26 @@ static wxCharacterSet *wxGetCharacterSet(const wxChar *name)
#endif
}
}
if (cset && cset->usable()) return cset;
if (cset) delete cset;
cset = NULL;
if (cset)
{
delete cset;
cset = NULL;
}
#ifdef __WIN32__
cset = new CP_CharSet(name); // may take NULL
if (cset->usable()) return cset;
#endif
if (cset) delete cset;
if (cset->usable())
return cset;
delete cset;
#endif // __WIN32__
cset = new EC_CharSet(name);
if (cset->usable()) return cset;
if (cset->usable())
return cset;
delete cset;
wxLogError(_("Unknown encoding '%s'!"), name);
return NULL;
@@ -716,16 +725,15 @@ static wxCharacterSet *wxGetCharacterSet(const wxChar *name)
wxCSConv::wxCSConv(const wxChar *charset)
{
m_name = (wxChar *) NULL;
m_name = (wxChar *)NULL;
m_cset = (wxCharacterSet *) NULL;
m_deferred = TRUE;
SetName(charset);
}
wxCSConv::~wxCSConv()
{
if (m_name) free(m_name);
if (m_cset) delete m_cset;
free(m_name);
delete m_cset;
}
void wxCSConv::SetName(const wxChar *charset)
@@ -741,39 +749,13 @@ void wxCSConv::LoadNow()
{
if (m_deferred)
{
if (!m_name)
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);
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"));
wxChar *dot = lang ? wxStrchr(lang, wxT('.')) : (wxChar *)NULL;
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
wxString name = wxLocale::GetSystemEncodingName();
if ( !name.empty() )
SetName(name);
}
m_cset = wxGetCharacterSet(m_name);
m_deferred = FALSE;
}
@@ -782,26 +764,26 @@ void wxCSConv::LoadNow()
size_t wxCSConv::MB2WC(wchar_t *buf, const char *psz, size_t n) const
{
((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 len;
}
size_t wxCSConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
{
((wxCSConv *)this)->LoadNow(); // discard constness
if (m_cset)
return m_cset->WC2MB(buf, psz, n);
@@ -816,26 +798,27 @@ size_t wxCSConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const
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));
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 inbuf = strlen(psz);
@@ -845,7 +828,7 @@ public:
#else
size_t res = iconv( cnv, &psz, &inbuf, &buf, &outbuf );
#endif
if (res == (size_t)-1)
if (res == (size_t)-1)
return (size_t)-1;
return (n - outbuf);
}
@@ -853,21 +836,22 @@ public:
public:
iconv_t cnv;
};
#endif
#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;
};