X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/734eda8ab941ecd9b8e387553850f0985d666d8d..a696db453c79ff58509195244bcf260dfdf13c81:/src/common/strconv.cpp diff --git a/src/common/strconv.cpp b/src/common/strconv.cpp index d53b870f40..9f327e1eff 100644 --- a/src/common/strconv.cpp +++ b/src/common/strconv.cpp @@ -28,8 +28,13 @@ #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 @@ -37,36 +42,61 @@ #include #include - -#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 + } + + DECLARE_DYNAMIC_CLASS(wxStrConvModule) +}; + +IMPLEMENT_DYNAMIC_CLASS(wxStrConvModule, wxModule) -// ============================================================================ -// implementation -// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- #if wxUSE_WCHAR_T #ifdef __SALFORDC__ - #include + #include #endif #ifdef HAVE_ICONV - #include + #include #endif -#ifdef __WXMSW__ - #include -#endif +#include "wx/encconv.h" +#include "wx/fontmap.h" + +// ---------------------------------------------------------------------------- +// macros +// ---------------------------------------------------------------------------- #define BSWAP_UCS4(str, len) { unsigned _c; for (_c=0; _c=0x110000) @@ -117,8 +154,8 @@ static size_t encode_utf16(wxUint32 input, wchar_t *output) { if (output) { - *output++ = (input >> 10)+0xd7c0; - *output++ = (input&0x3ff)+0xdc00; + *output++ = (wchar_t) ((input >> 10)+0xd7c0); + *output++ = (wchar_t) ((input&0x3ff)+0xdc00); } return 2; } @@ -149,63 +186,69 @@ static size_t decode_utf16(const wchar_t* input, wxUint32& output) // wxMBConv // ---------------------------------------------------------------------------- -WXDLLEXPORT_DATA(wxMBConv) wxConvLibc; +#define IGNORE_LIBC 0 size_t wxMBConv::MB2WC(wchar_t *buf, const char *psz, size_t n) const { +#if IGNORE_LIBC + if (buf) + { + for (size_t i = 0; i < strlen( psz )+1; i++) + buf[i] = (wchar_t) psz[i]; + return strlen( psz ); + } + else + { + return strlen( psz ); + } +#else return wxMB2WC(buf, psz, n); +#endif } size_t wxMBConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const { +#if IGNORE_LIBC + if (buf) + { + for (size_t i = 0; i < wxStrlen( psz )+1; i++) + buf[i] = (char) psz[i]; + return wxStrlen( psz ); + } + else + { + return wxStrlen( psz ); + } +#else return wxWC2MB(buf, psz, n); +#endif } const wxWCharBuffer wxMBConv::cMB2WC(const char *psz) const { if (psz) { - size_t nLen = MB2WC((wchar_t *) NULL, psz, 0); + size_t nLen = MB2WC((wchar_t *) NULL, psz, 0); // return value excludes /0 if (nLen == (size_t)-1) return wxWCharBuffer((wchar_t *) NULL); - wxWCharBuffer buf(nLen); - MB2WC((wchar_t *)(const wchar_t *) buf, psz, nLen); + wxWCharBuffer buf(nLen); // this allocates nLen1+ + MB2WC((wchar_t *)(const wchar_t *) buf, psz, nLen+1); return buf; } else return wxWCharBuffer((wchar_t *) NULL); } -const wxCharBuffer wxMBConv::cWC2MB(const wchar_t *psz) const -{ - 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 - return wxCharBuffer((char *) NULL); -} - -// ---------------------------------------------------------------------------- -// standard file conversion -// ---------------------------------------------------------------------------- - -WXDLLEXPORT_DATA(wxMBConvFile) wxConvFile; - -// just use the libc conversion for now -size_t wxMBConvFile::MB2WC(wchar_t *buf, const char *psz, size_t n) const -{ - return wxMB2WC(buf, psz, n); -} - -size_t wxMBConvFile::WC2MB(char *buf, const wchar_t *psz, size_t n) const +const wxCharBuffer wxMBConv::cWC2MB(const wchar_t *pwz) const { - return wxWC2MB(buf, psz, n); + // return value excludes NUL + size_t nLen = pwz ? WC2MB((char *) NULL, pwz, 0) : (size_t)-1; + if (nLen == (size_t)-1) + return wxCharBuffer((const char *)NULL); + + wxCharBuffer buf(nLen); // this allocates nLen+1 + WC2MB((char *)(const char *) buf, pwz, nLen+1); + return buf; } // ---------------------------------------------------------------------------- @@ -341,11 +384,11 @@ size_t wxMBConvUTF8::MB2WC(wchar_t *buf, const char *psz, size_t n) const if (buf) buf += pa; len += pa; -#else +#else // !WC_UTF16 if (buf) *buf++ = res; len++; -#endif +#endif // WC_UTF16/!WC_UTF16 } } } @@ -373,7 +416,7 @@ size_t wxMBConvUTF8::WC2MB(char *buf, const wchar_t *psz, size_t n) const { // plain ASCII char if (buf) - *buf++ = cc; + *buf++ = (char) cc; len++; } @@ -382,121 +425,18 @@ size_t wxMBConvUTF8::WC2MB(char *buf, const wchar_t *psz, size_t n) const 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)); } } } if (buf && (len wxConvUTF8) -// - move wxEncodingConverter meat in here - -#if defined(__WIN32__) && !defined(__WXMICROWIN__) - -#if wxUSE_GUI - -// VZ: the new version of wxCharsetToCodepage() is more politically correct -// and should work on other Windows versions as well but the old version is -// still needed for !wxUSE_FONTMAP || !wxUSE_GUI case - -extern long wxEncodingToCodepage(wxFontEncoding encoding) -{ - // translate encoding into the Windows CHARSET - wxNativeEncodingInfo natveEncInfo; - if ( !wxGetNativeFontEncoding(encoding, &natveEncInfo) ) - return -1; - - // translate CHARSET to code page - CHARSETINFO csetInfo; - if ( !::TranslateCharsetInfo((DWORD *)(DWORD)natveEncInfo.charset, - &csetInfo, - TCI_SRCCHARSET) ) - { - wxLogLastError(_T("TranslateCharsetInfo(TCI_SRCCHARSET)")); - - return -1; - } - - return csetInfo.ciACP; -} - -#if wxUSE_FONTMAP - -extern long wxCharsetToCodepage(const wxChar *name) -{ - // first get the font encoding for this charset - if ( !name ) - return -1; - - wxFontEncoding enc = wxTheFontMapper->CharsetToEncoding(name, FALSE); - if ( enc == wxFONTENCODING_SYSTEM ) - return -1; - - // the use the helper function - return wxEncodingToCodepage(enc); -} - -#endif // wxUSE_FONTMAP - -#endif // wxUSE_GUI - -// include old wxCharsetToCodepage() by OK if needed -#if !wxUSE_GUI || !wxUSE_FONTMAP - -#include "wx/msw/registry.h" - -// this should work if Internet Exploiter is installed -extern long wxCharsetToCodepage(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 // !wxUSE_GUI || !wxUSE_FONTMAP - -#endif // Win32 - // ============================================================================ // wxCharacterSet and derived classes // ============================================================================ @@ -600,6 +540,11 @@ bool IC_CharSet::ms_wcNeedsSwap = FALSE; IC_CharSet::IC_CharSet(const wxChar *name) : wxCharacterSet(name) { + // Do it the hard way + char cname[100]; + for (size_t i = 0; i < wxStrlen(name)+1; i++) + cname[i] = (char) name[i]; + // check for charset that represents wchar_t: if (ms_wcCharsetName == NULL) { @@ -607,20 +552,20 @@ IC_CharSet::IC_CharSet(const wxChar *name) // try charset with explicit bytesex info (e.g. "UCS-4LE"): ms_wcCharsetName = WC_NAME_BEST; - m2w = iconv_open(ms_wcCharsetName, wxConvLibc.cWX2MB(name)); + m2w = iconv_open(ms_wcCharsetName, cname); 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)); + m2w = iconv_open(ms_wcCharsetName, cname); // last bet, try if it knows WCHAR_T pseudo-charset if (m2w == (iconv_t)-1) { ms_wcCharsetName = "WCHAR_T"; - m2w = iconv_open(ms_wcCharsetName, wxConvLibc.cWX2MB(name)); + m2w = iconv_open(ms_wcCharsetName, cname); } if (m2w != (iconv_t)-1) @@ -655,7 +600,7 @@ IC_CharSet::IC_CharSet(const wxChar *name) 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); @@ -666,13 +611,13 @@ IC_CharSet::IC_CharSet(const wxChar *name) } else // we already have ms_wcCharsetName { - m2w = iconv_open(ms_wcCharsetName, wxConvLibc.cWX2MB(name)); + m2w = iconv_open(ms_wcCharsetName, cname); } // NB: don't ever pass NULL to iconv_open(), it may crash! if ( ms_wcCharsetName ) { - w2m = iconv_open(wxConvLibc.cWX2MB(name), ms_wcCharsetName); + w2m = iconv_open( cname, ms_wcCharsetName); } else { @@ -710,6 +655,12 @@ size_t IC_CharSet::MB2WC(wchar_t *buf, const char *psz, size_t n) // convert to native endianness WC_BSWAP(buf /* _not_ bufPtr */, res) } + + // NB: iconv was given only strlen(psz) 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 < n) + buf[res] = 0; } else { @@ -769,6 +720,12 @@ size_t IC_CharSet::WC2MB(char *buf, const wchar_t *psz, size_t n) cres = iconv( w2m, ICONV_CHAR_CAST(&psz), &inbuf, &buf, &outbuf ); res = n-outbuf; + + // NB: iconv was given only wcslen(psz) 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 < n) + buf[0] = 0; } else { @@ -807,6 +764,9 @@ size_t IC_CharSet::WC2MB(char *buf, const wchar_t *psz, size_t n) // ============================================================================ #if defined(__WIN32__) && !defined(__WXMICROWIN__) + +extern long wxCharsetToCodepage(const wxChar *charset); // from utils.cpp + class CP_CharSet : public wxCharacterSet { public: @@ -819,7 +779,11 @@ public: size_t MB2WC(wchar_t *buf, const char *psz, size_t n) { size_t len = +#ifdef __WXWINE__ + MultiByteToWideChar(m_CodePage, 0, psz, -1, (WCHAR*) buf, buf ? n : 0); +#else MultiByteToWideChar(m_CodePage, 0, psz, -1, buf, buf ? n : 0); +#endif //VS: returns # of written chars for buf!=NULL and *size* // needed buffer for buf==NULL return len ? (buf ? len : len-1) : (size_t)-1; @@ -827,8 +791,13 @@ public: size_t WC2MB(char *buf, const wchar_t *psz, size_t n) { +#ifdef __WXWINE__ + size_t len = WideCharToMultiByte(m_CodePage, 0, (const WCHAR*) psz, -1, buf, + buf ? n : 0, NULL, NULL); +#else size_t len = WideCharToMultiByte(m_CodePage, 0, psz, -1, buf, buf ? n : 0, NULL, NULL); +#endif //VS: returns # of written chars for buf!=NULL and *size* // needed buffer for buf==NULL return len ? (buf ? len : len-1) : (size_t)-1; @@ -857,13 +826,13 @@ public: enc(wxFONTENCODING_SYSTEM) { if (name) - enc = wxTheFontMapper->CharsetToEncoding(name, FALSE); + 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) @@ -871,7 +840,7 @@ public: 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) ) \ || ( defined(__MWERKS__) && defined(__WXMSW__) ) @@ -906,7 +875,7 @@ static wxCharacterSet *wxGetCharacterSet(const wxChar *name) { // check for the special case of ASCII charset #if wxUSE_FONTMAP - if ( wxTheFontMapper->CharsetToEncoding(name) == wxFONTENCODING_DEFAULT ) + if ( wxFontMapper::Get()->CharsetToEncoding(name) == wxFONTENCODING_DEFAULT ) #else // wxUSE_FONTMAP if ( !name ) #endif // wxUSE_FONTMAP/!wxUSE_FONTMAP @@ -983,8 +952,31 @@ wxCSConv::wxCSConv(const wxChar *charset) wxCSConv::~wxCSConv() { - free(m_name); - delete m_cset; + Clear(); +} + +wxCSConv::wxCSConv(const wxCSConv& conv) + : wxMBConv() +{ + Clear(); + SetName(conv.m_name); +} + +wxCSConv& wxCSConv::operator=(const wxCSConv& conv) +{ + Clear(); + SetName(conv.m_name); + return *this; +} + +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) @@ -1004,7 +996,9 @@ void wxCSConv::LoadNow() { wxString name = wxLocale::GetSystemEncodingName(); if ( !name.empty() ) + { SetName(name); + } } // wxGetCharacterSet() complains about NULL name @@ -1055,14 +1049,6 @@ size_t wxCSConv::WC2MB(char *buf, const wchar_t *psz, size_t n) const return len; } -#else // !wxUSE_WCHAR_T - -// ---------------------------------------------------------------------------- -// stand-ins in absence of wchar_t -// ---------------------------------------------------------------------------- - -WXDLLEXPORT_DATA(wxMBConv) wxConvLibc, wxConvFile; - #endif // wxUSE_WCHAR_T