// Created: 29/01/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// ----------------------------------------------------------------------------
#ifdef __GNUG__
-#pragma implementation "intl.h"
+ #pragma implementation "intl.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
+#if wxUSE_INTL
+
// standard headers
#include <locale.h>
+#include <ctype.h>
// wxWindows
#include "wx/defs.h"
#include "wx/intl.h"
#include "wx/file.h"
#include "wx/log.h"
+#include "wx/debug.h"
#include "wx/utils.h"
#include <stdlib.h>
+// ----------------------------------------------------------------------------
+// simple types
+// ----------------------------------------------------------------------------
+
+// this should *not* be wxChar, this type must have exactly 8 bits!
+typedef unsigned char size_t8;
+
+#ifdef __WXMSW__
+ #if defined(__WIN16__)
+ typedef unsigned long size_t32;
+ #elif defined(__WIN32__)
+ typedef unsigned int size_t32;
+ #else
+ // Win64 will have different type sizes
+ #error "Please define a 32 bit type"
+ #endif
+#else // !Windows
+ // SIZEOF_XXX are defined by configure
+ #if defined(SIZEOF_INT) && (SIZEOF_INT == 4)
+ typedef unsigned int size_t32;
+ #elif defined(SIZEOF_LONG) && (SIZEOF_LONG == 4)
+ typedef unsigned long size_t32;
+ #else
+ // assume sizeof(int) == 4 - what else can we do
+ typedef unsigned int size_t32;
+
+ // ... but at least check it during run time
+ static class IntSizeChecker
+ {
+ public:
+ IntSizeChecker()
+ {
+ // Asserting a sizeof directly causes some compilers to
+ // issue a "using constant in a conditional expression" warning
+ size_t intsize = sizeof(int);
+
+ wxASSERT_MSG( intsize == 4,
+ "size_t32 is incorrectly defined!" );
+ }
+ } intsizechecker;
+ #endif
+#endif // Win/!Win
+
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
const size_t32 MSGCATALOG_MAGIC_SW = 0xde120495;
// extension of ".mo" files
-#define MSGCATALOG_EXTENSION ".mo"
+#define MSGCATALOG_EXTENSION _T(".mo")
// ----------------------------------------------------------------------------
// global functions
// get the current state
bool wxIsLoggingTransErrors();
-// get the current locale object (## may be NULL!)
-extern wxLocale *wxSetLocale(wxLocale *pLocale);
+static wxLocale *wxSetLocale(wxLocale *pLocale);
// ----------------------------------------------------------------------------
// wxMsgCatalog corresponds to one disk-file message catalog.
~wxMsgCatalog();
// load the catalog from disk (szDirPrefix corresponds to language)
- bool Load(const char *szDirPrefix, const char *szName);
+ bool Load(const wxChar *szDirPrefix, const wxChar *szName, bool bConvertEncoding = FALSE);
bool IsLoaded() const { return m_pData != NULL; }
// get name of the catalog
- const char *GetName() const { return m_pszName; }
+ const wxChar *GetName() const { return m_pszName; }
// get the translated string: returns NULL if not found
const char *GetString(const char *sz) const;
// public variable pointing to the next element in a linked list (or NULL)
wxMsgCatalog *m_pNext;
-
+
private:
// this implementation is binary compatible with GNU gettext() version 0.10
struct wxMsgCatalogHeader
{
size_t32 magic, // offset +00: magic id
- revision, // +04: revision
- numStrings; // +08: number of strings in the file
+ revision, // +04: revision
+ numStrings; // +08: number of strings in the file
size_t32 ofsOrigTable, // +0C: start of original string table
- ofsTransTable; // +10: start of translated string table
+ ofsTransTable; // +10: start of translated string table
size_t32 nHashSize, // +14: hash table size
- ofsHashTable; // +18: offset of hash table start
- };
-
+ ofsHashTable; // +18: offset of hash table start
+ };
+
// all data is stored here, NULL if no data loaded
size_t8 *m_pData;
-
+
// data description
- size_t32 m_numStrings, // number of strings in this domain
+ size_t32 m_numStrings, // number of strings in this domain
m_nHashSize; // number of entries in hash table
- size_t32 *m_pHashTable; // pointer to hash table
+ size_t32 *m_pHashTable; // pointer to hash table
wxMsgTableEntry *m_pOrigTable, // pointer to original strings
*m_pTransTable; // translated
const char *StringAtOfs(wxMsgTableEntry *pTable, size_t32 index) const
{ return (const char *)(m_pData + Swap(pTable[index].ofsString)); }
+ // convert encoding to platform native one, if neccessary
+ void ConvertEncoding();
+
// utility functions
// calculate the hash value of given string
static inline size_t32 GetHash(const char *sz);
bool m_bSwapped; // wrong endianness?
- char *m_pszName; // name of the domain
+ wxChar *m_pszName; // name of the domain
};
+// ----------------------------------------------------------------------------
+// global variables
+// ----------------------------------------------------------------------------
+
+// the list of the directories to search for message catalog files
+static wxArrayString s_searchPrefixes;
+
// ============================================================================
// implementation
// ============================================================================
// swap the 2 halves of 32 bit integer if needed
size_t32 wxMsgCatalog::Swap(size_t32 ui) const
{
- return m_bSwapped ? (ui << 24) | ((ui & 0xff00) << 8) |
+ return m_bSwapped ? (ui << 24) | ((ui & 0xff00) << 8) |
((ui >> 8) & 0xff00) | (ui >> 24)
: ui;
}
-wxMsgCatalog::wxMsgCatalog()
-{
+wxMsgCatalog::wxMsgCatalog()
+{
m_pData = NULL;
m_pszName = NULL;
}
-wxMsgCatalog::~wxMsgCatalog()
-{
- wxDELETEA(m_pData);
- wxDELETEA(m_pszName);
+wxMsgCatalog::~wxMsgCatalog()
+{
+ wxDELETEA(m_pData);
+ wxDELETEA(m_pszName);
}
+// small class to suppress the translation erros until exit from current scope
class NoTransErr
{
- public:
+public:
NoTransErr() { wxSuppressTransErrors(); }
~NoTransErr() { wxRestoreTransErrors(); }
};
-
+
+// return all directories to search for given prefix
+static wxString GetAllMsgCatalogSubdirs(const wxChar *prefix,
+ const wxChar *lang)
+{
+ wxString searchPath;
+
+ // search first in prefix/fr/LC_MESSAGES, then in prefix/fr and finally in
+ // prefix (assuming the language is 'fr')
+ searchPath << prefix << wxFILE_SEP_PATH << lang << wxFILE_SEP_PATH
+ << wxT("LC_MESSAGES") << wxPATH_SEP
+ << prefix << wxFILE_SEP_PATH << lang << wxPATH_SEP
+ << prefix << wxPATH_SEP;
+
+ return searchPath;
+}
+
+// construct the search path for the given language
+static wxString GetFullSearchPath(const wxChar *lang)
+{
+ wxString searchPath;
+
+ // first take the entries explicitly added by the program
+ size_t count = s_searchPrefixes.Count();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ searchPath << GetAllMsgCatalogSubdirs(s_searchPrefixes[n], lang)
+ << wxPATH_SEP;
+ }
+
+ // LC_PATH is a standard env var containing the search path for the .mo
+ // files
+ const wxChar *pszLcPath = wxGetenv("LC_PATH");
+ if ( pszLcPath != NULL )
+ searchPath << GetAllMsgCatalogSubdirs(pszLcPath, lang);
+
+ // then take the current directory
+ // FIXME it should be the directory of the executable
+ searchPath << GetAllMsgCatalogSubdirs(wxT("."), lang);
+
+ // and finally add some standard ones
+ searchPath
+ << GetAllMsgCatalogSubdirs(wxT("/usr/share/locale"), lang)
+ << GetAllMsgCatalogSubdirs(wxT("/usr/lib/locale"), lang)
+ << GetAllMsgCatalogSubdirs(wxT("/usr/local/share/locale"), lang);
+
+ return searchPath;
+}
+
// open disk file and read in it's contents
-bool wxMsgCatalog::Load(const char *szDirPrefix, const char *szName)
+bool wxMsgCatalog::Load(const wxChar *szDirPrefix, const wxChar *szName0, bool bConvertEncoding)
{
- // search order (assume language 'foo') is
- // 1) $LC_PATH/foo/LC_MESSAGES (if LC_PATH set)
- // 2) ./foo/LC_MESSAGES
- // 3) ./foo
- // 4) . (Added by JACS)
- //
- // under UNIX we search also in:
- // 5) /usr/share/locale/foo/LC_MESSAGES (Linux)
- // 6) /usr/lib/locale/foo/LC_MESSAGES (Solaris)
- #define MSG_PATH FILE_SEP_PATH + "LC_MESSAGES" PATH_SEP
-
- wxString strPath("");
- const char *pszLcPath = getenv("LC_PATH");
- if ( pszLcPath != NULL )
- strPath += pszLcPath + wxString(szDirPrefix) + MSG_PATH; // (1)
-
- // NB: '<<' is unneeded between too literal strings:
- // they are concatenated at compile time
- strPath += "./" + wxString(szDirPrefix) + MSG_PATH // (2)
- + "./" + szDirPrefix + FILE_SEP_PATH + PATH_SEP // (3)
- + "." + PATH_SEP
- #ifdef __UNIX__
- "/usr/share/locale/" + szDirPrefix + MSG_PATH // (5)
- "/usr/lib/locale/" + szDirPrefix + MSG_PATH // (6)
- #endif //UNIX
- ;
-
+ /* We need to handle locales like de_AT.iso-8859-1
+ For this we first chop off the .CHARSET specifier and ignore it.
+ FIXME: UNICODE SUPPORT: must use CHARSET specifier!
+ */
+ wxString szName = szName0;
+ if(szName.Find(wxT('.')) != -1) // contains a dot
+ szName = szName.Left(szName.Find(wxT('.')));
+
+ wxString searchPath = GetFullSearchPath(szDirPrefix);
+ const wxChar *sublocale = wxStrchr(szDirPrefix, wxT('_'));
+ if ( sublocale )
+ {
+ // also add just base locale name: for things like "fr_BE" (belgium
+ // french) we should use "fr" if no belgium specific message catalogs
+ // exist
+ searchPath << GetFullSearchPath(wxString(szDirPrefix).
+ Left((size_t)(sublocale - szDirPrefix)))
+ << wxPATH_SEP;
+ }
+
wxString strFile = szName;
strFile += MSGCATALOG_EXTENSION;
// not yet be loaded (and it's normal)
//
// (we're using an object because we have several return paths)
- NoTransErr noTransErr;
+ NoTransErr noTransErr;
wxLogVerbose(_("looking for catalog '%s' in path '%s'."),
- szName, strPath.c_str());
+ szName.c_str(), searchPath.c_str());
wxString strFullName;
- if ( !wxFindFileInPath(&strFullName, strPath, strFile) ) {
- wxLogWarning(_("catalog file for domain '%s' not found."), szName);
+ if ( !wxFindFileInPath(&strFullName, searchPath, strFile) ) {
+ wxLogWarning(_("catalog file for domain '%s' not found."), szName.c_str());
return FALSE;
}
// open file
wxLogVerbose(_("using catalog '%s' from '%s'."),
- szName, strFullName.c_str());
-
+ szName.c_str(), strFullName.c_str());
+
wxFile fileMsg(strFullName);
if ( !fileMsg.IsOpened() )
return FALSE;
wxDELETEA(m_pData);
return FALSE;
}
-
+
// examine header
bool bValid = (size_t)nSize > sizeof(wxMsgCatalogHeader);
-
- wxMsgCatalogHeader *pHeader;
- if ( bValid ) {
- pHeader = (wxMsgCatalogHeader *)m_pData;
+ wxMsgCatalogHeader *pHeader = (wxMsgCatalogHeader *)m_pData;
+ if ( bValid ) {
// we'll have to swap all the integers if it's true
m_bSwapped = pHeader->magic == MSGCATALOG_MAGIC_SW;
// check the magic number
bValid = m_bSwapped || pHeader->magic == MSGCATALOG_MAGIC;
}
-
+
if ( !bValid ) {
// it's either too short or has incorrect magic number
wxLogWarning(_("'%s' is not a valid message catalog."), strFullName.c_str());
-
+
wxDELETEA(m_pData);
return FALSE;
}
-
+
// initialize
m_numStrings = Swap(pHeader->numStrings);
- m_pOrigTable = (wxMsgTableEntry *)(m_pData +
+ m_pOrigTable = (wxMsgTableEntry *)(m_pData +
Swap(pHeader->ofsOrigTable));
- m_pTransTable = (wxMsgTableEntry *)(m_pData +
+ m_pTransTable = (wxMsgTableEntry *)(m_pData +
Swap(pHeader->ofsTransTable));
m_nHashSize = Swap(pHeader->nHashSize);
m_pHashTable = (size_t32 *)(m_pData + Swap(pHeader->ofsHashTable));
- m_pszName = new char[strlen(szName) + 1];
- strcpy(m_pszName, szName);
+ m_pszName = new wxChar[wxStrlen(szName) + 1];
+ wxStrcpy(m_pszName, szName);
+
+ if (bConvertEncoding)
+ ConvertEncoding();
// everything is fine
return TRUE;
return NULL;
if ( HasHashTable() ) { // use hash table for lookup if possible
- size_t32 nHashVal = GetHash(szOrig);
+ size_t32 nHashVal = GetHash(szOrig);
size_t32 nIndex = nHashVal % m_nHashSize;
size_t32 nIncr = 1 + (nHashVal % (m_nHashSize - 2));
-
- while ( TRUE ) {
+
+#if defined(__VISAGECPP__)
+// VA just can't stand while(1) or while(TRUE)
+ bool bOs2var = TRUE;
+ while(bOs2var) {
+#else
+ while (1) {
+#endif
size_t32 nStr = Swap(m_pHashTable[nIndex]);
if ( nStr == 0 )
return NULL;
-
+
if ( strcmp(szOrig, StringAtOfs(m_pOrigTable, nStr - 1)) == 0 )
return StringAtOfs(m_pTransTable, nStr - 1);
return NULL;
}
+
+#if wxUSE_GUI
+#include "wx/fontmap.h"
+#include "wx/encconv.h"
+#endif
+
+void wxMsgCatalog::ConvertEncoding()
+{
+#if wxUSE_GUI
+ wxFontEncoding enc;
+
+ // first, find encoding header:
+ const char *hdr = StringAtOfs(m_pOrigTable, 0);
+ if (hdr == NULL) return; // not supported by this catalog, does not have non-fuzzy header
+ if (hdr[0] != 0) return; // ditto
+
+ /* we support catalogs with header (msgid "") that is _not_ marked as "#, fuzzy" (otherwise
+ the string would not be included into compiled catalog) */
+ wxString header(StringAtOfs(m_pTransTable, 0));
+ wxString charset;
+ int pos = header.Find(wxT("Content-Type: text/plain; charset="));
+ if (pos == wxNOT_FOUND)
+ return; // incorrectly filled Content-Type header
+ size_t n = pos + 34; /*strlen("Content-Type: text/plain; charset=")*/
+ while (header[n] != wxT('\n'))
+ charset << header[n++];
+
+ enc = wxTheFontMapper->CharsetToEncoding(charset, FALSE);
+ if ( enc == wxFONTENCODING_SYSTEM )
+ return; // unknown encoding
+
+ wxFontEncodingArray a = wxEncodingConverter::GetPlatformEquivalents(enc);
+ if (a[0] == enc)
+ return; // no conversion needed, locale uses native encoding
+
+ if (a.GetCount() == 0)
+ return; // we don't know common equiv. under this platform
+
+ wxEncodingConverter converter;
+
+ converter.Init(enc, a[0]);
+ for (size_t i = 0; i < m_numStrings; i++)
+ converter.Convert((char*)StringAtOfs(m_pTransTable, i));
+#endif
+}
+
+
// ----------------------------------------------------------------------------
// wxLocale
// ----------------------------------------------------------------------------
}
// NB: this function has (desired) side effect of changing current locale
-bool wxLocale::Init(const char *szName,
- const char *szShort,
- const char *szLocale,
- bool bLoadDefault)
+bool wxLocale::Init(const wxChar *szName,
+ const wxChar *szShort,
+ const wxChar *szLocale,
+ bool bLoadDefault,
+ bool bConvertEncoding)
{
m_strLocale = szName;
m_strShort = szShort;
+ m_bConvertEncoding = bConvertEncoding;
// change current locale (default: same as long name)
if ( szLocale == NULL )
- szLocale = szName;
- m_pszOldLocale = setlocale(LC_ALL, szLocale);
+ {
+ // the argument to setlocale()
+ szLocale = szShort;
+ }
+ m_pszOldLocale = wxSetlocale(LC_ALL, szLocale);
if ( m_pszOldLocale == NULL )
wxLogError(_("locale '%s' can not be set."), szLocale);
// the short name will be used to look for catalog files as well,
// so we need something here
if ( m_strShort.IsEmpty() ) {
- // #### I don't know how these 2 letter abbreviations are formed,
- // this wild guess is almost surely wrong
- m_strShort = wxToLower(szLocale[0]) + wxToLower(szLocale[1]);
+ // FIXME I don't know how these 2 letter abbreviations are formed,
+ // this wild guess is surely wrong
+ m_strShort = tolower(szLocale[0]) + tolower(szLocale[1]);
}
-
+
// save the old locale to be able to restore it later
- m_pOldLocale = wxSetLocale(this);
-
+ m_pOldLocale = wxSetLocale(this);
+
// load the default catalog with wxWindows standard messages
m_pMsgCat = NULL;
bool bOk = TRUE;
if ( bLoadDefault )
- bOk = AddCatalog("wxstd");
+ bOk = AddCatalog(wxT("wxstd"));
return bOk;
}
+void wxLocale::AddCatalogLookupPathPrefix(const wxString& prefix)
+{
+ if ( s_searchPrefixes.Index(prefix) == wxNOT_FOUND )
+ {
+ s_searchPrefixes.Add(prefix);
+ }
+ //else: already have it
+}
+
// clean up
wxLocale::~wxLocale()
{
- // free memory
- wxMsgCatalog *pTmpCat;
- while ( m_pMsgCat != NULL ) {
- pTmpCat = m_pMsgCat;
- m_pMsgCat = m_pMsgCat->m_pNext;
- delete pTmpCat;
- }
-
- // restore old locale
- wxSetLocale(m_pOldLocale);
- setlocale(LC_ALL, m_pszOldLocale);
+ // free memory
+ wxMsgCatalog *pTmpCat;
+ while ( m_pMsgCat != NULL ) {
+ pTmpCat = m_pMsgCat;
+ m_pMsgCat = m_pMsgCat->m_pNext;
+ delete pTmpCat;
+ }
+
+ // restore old locale
+ wxSetLocale(m_pOldLocale);
+ wxSetlocale(LC_ALL, m_pszOldLocale);
}
// get the translation of given string in current locale
-const char *wxLocale::GetString(const char *szOrigString,
- const char *szDomain) const
+const wxMB2WXbuf wxLocale::GetString(const wxChar *szOrigString,
+ const wxChar *szDomain) const
{
- wxASSERT( szOrigString != NULL ); // would be pretty silly
+ if ( wxIsEmpty(szOrigString) )
+ return szDomain;
const char *pszTrans = NULL;
+#if wxUSE_UNICODE
+ const wxWX2MBbuf szOrgString = wxConvCurrent->cWX2MB(szOrigString);
+#else // ANSI
+ #define szOrgString szOrigString
+#endif // Unicode/ANSI
wxMsgCatalog *pMsgCat;
if ( szDomain != NULL ) {
pMsgCat = FindCatalog(szDomain);
-
+
// does the catalog exist?
if ( pMsgCat != NULL )
- pszTrans = pMsgCat->GetString(szOrigString);
+ pszTrans = pMsgCat->GetString(szOrgString);
}
else {
// search in all domains
for ( pMsgCat = m_pMsgCat; pMsgCat != NULL; pMsgCat = pMsgCat->m_pNext ) {
- pszTrans = pMsgCat->GetString(szOrigString);
+ pszTrans = pMsgCat->GetString(szOrgString);
if ( pszTrans != NULL ) // take the first found
break;
}
if ( pszTrans == NULL ) {
if ( wxIsLoggingTransErrors() ) {
- // suppress further error messages
- // (do it before LogWarning to prevent infinite recursion!)
+ // suppress further error messages if we're not debugging: this avoids
+ // flooding the user with messages about each and every missing string if,
+ // for example, a whole catalog file is missing.
+
+ // do it before calling LogWarning to prevent infinite recursion!
+#ifdef __WXDEBUG__
+ NoTransErr noTransErr;
+#else // !debug
wxSuppressTransErrors();
-
+#endif // debug/!debug
+
if ( szDomain != NULL )
+ {
wxLogWarning(_("string '%s' not found in domain '%s' for locale '%s'."),
- szOrigString, szDomain, m_strLocale.c_str());
+ szOrigString, szDomain, m_strLocale.c_str());
+ }
else
+ {
wxLogWarning(_("string '%s' not found in locale '%s'."),
- szOrigString, m_strLocale.c_str());
+ szOrigString, m_strLocale.c_str());
+ }
}
- return szOrigString;
+ return (wxMB2WXbuf)(szOrigString);
}
else
- return pszTrans;
+ {
+ return wxConvertMB2WX(pszTrans); // or preferably wxCSConv(charset).cMB2WX(pszTrans) or something,
+ // a macro similar to wxConvertMB2WX could be written for that
+ }
+
+ #undef szOrgString
}
// find catalog by name in a linked list, return NULL if !found
-wxMsgCatalog *wxLocale::FindCatalog(const char *szDomain) const
+wxMsgCatalog *wxLocale::FindCatalog(const wxChar *szDomain) const
{
// linear search in the linked list
wxMsgCatalog *pMsgCat;
for ( pMsgCat = m_pMsgCat; pMsgCat != NULL; pMsgCat = pMsgCat->m_pNext ) {
- if ( Stricmp(pMsgCat->GetName(), szDomain) == 0 )
+ if ( wxStricmp(pMsgCat->GetName(), szDomain) == 0 )
return pMsgCat;
}
-
+
return NULL;
}
// check if the given catalog is loaded
-bool wxLocale::IsLoaded(const char *szDomain) const
+bool wxLocale::IsLoaded(const wxChar *szDomain) const
{
return FindCatalog(szDomain) != NULL;
}
// add a catalog to our linked list
-bool wxLocale::AddCatalog(const char *szDomain)
+bool wxLocale::AddCatalog(const wxChar *szDomain)
{
wxMsgCatalog *pMsgCat = new wxMsgCatalog;
-
- if ( pMsgCat->Load(m_strShort, szDomain) ) {
+
+ if ( pMsgCat->Load(m_strShort, szDomain, m_bConvertEncoding) ) {
// add it to the head of the list so that in GetString it will
// be searched before the catalogs added earlier
pMsgCat->m_pNext = m_pMsgCat;
m_pMsgCat = pMsgCat;
-
+
return TRUE;
}
else {
// don't add it because it couldn't be loaded anyway
delete pMsgCat;
-
+
return FALSE;
}
}
// ------------------------------
// the current locale object
-wxLocale *g_pLocale = NULL;
+static wxLocale *g_pLocale = NULL;
wxLocale *wxGetLocale()
{
- return g_pLocale;
+ return g_pLocale;
}
wxLocale *wxSetLocale(wxLocale *pLocale)
{
- wxLocale *pOld = g_pLocale;
- g_pLocale = pLocale;
- return pOld;
+ wxLocale *pOld = g_pLocale;
+ g_pLocale = pLocale;
+ return pOld;
}
+
+#endif // wxUSE_INTL
+
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