// Michael N. Filippov <michael@idisys.iae.nsk.su>
// (2003/09/30 - PluralForms support)
// Created: 2010-04-23
-// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include <ctype.h>
#include <stdlib.h>
+#include "wx/arrstr.h"
+#include "wx/dir.h"
#include "wx/file.h"
#include "wx/filename.h"
#include "wx/tokenzr.h"
#include "wx/stdpaths.h"
#include "wx/hashset.h"
+#ifdef __WINDOWS__
+ #include "wx/dynlib.h"
+ #include "wx/scopedarray.h"
+ #include "wx/msw/wrapwin.h"
+ #include "wx/msw/missing.h"
+#endif
+#ifdef __WXOSX__
+ #include "wx/osx/core/cfstring.h"
+ #include <CoreFoundation/CFBundle.h>
+ #include <CoreFoundation/CFLocale.h>
+#endif
+
// ----------------------------------------------------------------------------
// simple types
// ----------------------------------------------------------------------------
wxStringToStringHashMap gs_msgIdCharset;
#endif
+// ----------------------------------------------------------------------------
+// Platform specific helpers
+// ----------------------------------------------------------------------------
+
+void LogTraceArray(const char *prefix, const wxArrayString& arr)
+{
+ wxLogTrace(TRACE_I18N, "%s: [%s]", prefix, wxJoin(arr, ','));
+}
+
+void LogTraceLargeArray(const wxString& prefix, const wxArrayString& arr)
+{
+ wxLogTrace(TRACE_I18N, "%s:", prefix);
+ for ( wxArrayString::const_iterator i = arr.begin(); i != arr.end(); ++i )
+ wxLogTrace(TRACE_I18N, " %s", *i);
+}
+
+// Use locale-based detection as a fallback
+wxString GetPreferredUILanguageFallback(const wxArrayString& WXUNUSED(available))
+{
+ const wxString lang = wxLocale::GetLanguageCanonicalName(wxLocale::GetSystemLanguage());
+ wxLogTrace(TRACE_I18N, " - obtained best language from locale: %s", lang);
+ return lang;
+}
+
+#ifdef __WINDOWS__
+
+wxString GetPreferredUILanguage(const wxArrayString& available)
+{
+ typedef BOOL (WINAPI *GetUserPreferredUILanguages_t)(DWORD, PULONG, PWSTR, PULONG);
+ static GetUserPreferredUILanguages_t s_pfnGetUserPreferredUILanguages = NULL;
+ static bool s_initDone = false;
+ if ( !s_initDone )
+ {
+ wxLoadedDLL dllKernel32("kernel32.dll");
+ wxDL_INIT_FUNC(s_pfn, GetUserPreferredUILanguages, dllKernel32);
+ s_initDone = true;
+ }
+
+ if ( s_pfnGetUserPreferredUILanguages )
+ {
+ ULONG numLangs;
+ ULONG bufferSize = 0;
+ if ( (*s_pfnGetUserPreferredUILanguages)(MUI_LANGUAGE_NAME,
+ &numLangs,
+ NULL,
+ &bufferSize) )
+ {
+ wxScopedArray<WCHAR> langs(new WCHAR[bufferSize]);
+ if ( (*s_pfnGetUserPreferredUILanguages)(MUI_LANGUAGE_NAME,
+ &numLangs,
+ langs.get(),
+ &bufferSize) )
+ {
+ wxArrayString preferred;
+
+ WCHAR *buf = langs.get();
+ for ( unsigned i = 0; i < numLangs; i++ )
+ {
+ const wxString lang(buf);
+ preferred.push_back(lang);
+ buf += lang.length() + 1;
+ }
+ LogTraceArray(" - system preferred languages", preferred);
+
+ for ( wxArrayString::const_iterator j = preferred.begin();
+ j != preferred.end();
+ ++j )
+ {
+ wxString lang(*j);
+ lang.Replace("-", "_");
+ if ( available.Index(lang, /*bCase=*/false) != wxNOT_FOUND )
+ return lang;
+ size_t pos = lang.find('_');
+ if ( pos != wxString::npos )
+ {
+ lang = lang.substr(0, pos);
+ if ( available.Index(lang, /*bCase=*/false) != wxNOT_FOUND )
+ return lang;
+ }
+ }
+ }
+ }
+ }
+
+ return GetPreferredUILanguageFallback(available);
+}
+
+#elif defined(__WXOSX__)
+
+void LogTraceArray(const char *prefix, CFArrayRef arr)
+{
+ wxString s;
+ const unsigned count = CFArrayGetCount(arr);
+ if ( count )
+ {
+ s += wxCFStringRef::AsString((CFStringRef)CFArrayGetValueAtIndex(arr, 0));
+ for ( unsigned i = 1 ; i < count; i++ )
+ s += "," + wxCFStringRef::AsString((CFStringRef)CFArrayGetValueAtIndex(arr, i));
+ }
+ wxLogTrace(TRACE_I18N, "%s: [%s]", prefix, s);
+}
+
+wxString GetPreferredUILanguage(const wxArrayString& available)
+{
+ wxStringToStringHashMap availableNormalized;
+ wxCFRef<CFMutableArrayRef> availableArr(
+ CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks));
+
+ for ( wxArrayString::const_iterator i = available.begin();
+ i != available.end();
+ ++i )
+ {
+ wxString lang(*i);
+ wxCFStringRef code_wx(*i);
+ wxCFStringRef code_norm(
+ CFLocaleCreateCanonicalLanguageIdentifierFromString(kCFAllocatorDefault, code_wx));
+ CFArrayAppendValue(availableArr, code_norm);
+ availableNormalized[code_norm.AsString()] = *i;
+ }
+ LogTraceArray(" - normalized available list", availableArr);
+
+ wxCFRef<CFArrayRef> prefArr(
+ CFBundleCopyLocalizationsForPreferences(availableArr, NULL));
+ LogTraceArray(" - system preferred languages", prefArr);
+
+ unsigned prefArrLength = CFArrayGetCount(prefArr);
+ if ( prefArrLength > 0 )
+ {
+ // Lookup the name in 'available' by index -- we need to get the
+ // original value corresponding to the normalized one chosen.
+ wxString lang(wxCFStringRef::AsString((CFStringRef)CFArrayGetValueAtIndex(prefArr, 0)));
+ wxStringToStringHashMap::const_iterator i = availableNormalized.find(lang);
+ if ( i == availableNormalized.end() )
+ return lang;
+ else
+ return i->second;
+ }
+
+ return GetPreferredUILanguageFallback(available);
+}
+
+#else
+
+// On Unix, there's just one language=locale setting, so we should always
+// use that.
+#define GetPreferredUILanguage GetPreferredUILanguageFallback
+
+#endif
+
} // anonymous namespace
// ----------------------------------------------------------------------------
T_LEFT_BRACKET, T_RIGHT_BRACKET
};
Type type() const { return m_type; }
- void setType(Type type) { m_type = type; }
+ void setType(Type t) { m_type = t; }
// for T_NUMBER only
typedef int Number;
Number number() const { return m_number; }
class wxPluralFormsNode
{
public:
- wxPluralFormsNode(const wxPluralFormsToken& token) : m_token(token) {}
+ wxPluralFormsNode(const wxPluralFormsToken& t) : m_token(t) {}
const wxPluralFormsToken& token() const { return m_token; }
const wxPluralFormsNode* node(unsigned i) const
{ return m_nodes[i].get(); }
};
// ----------------------------------------------------------------------------
-// wxMsgCatalogFile clas
+// wxMsgCatalogFile class
// ----------------------------------------------------------------------------
wxMsgCatalogFile::wxMsgCatalogFile()
if ( !fileMsg.IsOpened() )
return false;
- // get the file size (assume it is less than 4Gb...)
+ // get the file size (assume it is less than 4GB...)
wxFileOffset lenFile = fileMsg.Length();
if ( lenFile == wxInvalidOffset )
return false;
if ( m_charset == wxS("CHARSET") )
{
// "CHARSET" is not valid charset, but lazy translator
- m_charset.empty();
+ m_charset.clear();
}
}
}
}
+wxArrayString wxTranslations::GetAvailableTranslations(const wxString& domain) const
+{
+ wxCHECK_MSG( m_loader, wxArrayString(), "loader can't be NULL" );
+
+ return m_loader->GetAvailableTranslations(domain);
+}
+
+
bool wxTranslations::AddStdCatalog()
{
if ( !AddCatalog(wxS("wxstd")) )
wxLanguage msgIdLanguage)
{
const wxString msgIdLang = wxLocale::GetLanguageCanonicalName(msgIdLanguage);
- const wxString domain_lang = ChooseLanguageForDomain(domain, msgIdLang);
+ const wxString domain_lang = GetBestTranslation(domain, msgIdLang);
if ( domain_lang.empty() )
{
return FindCatalog(domain) != NULL;
}
+wxString wxTranslations::GetBestTranslation(const wxString& domain,
+ wxLanguage msgIdLanguage)
+{
+ const wxString lang = wxLocale::GetLanguageCanonicalName(msgIdLanguage);
+ return GetBestTranslation(domain, lang);
+}
-wxString wxTranslations::ChooseLanguageForDomain(const wxString& WXUNUSED(domain),
- const wxString& WXUNUSED(msgIdLang))
+wxString wxTranslations::GetBestTranslation(const wxString& domain,
+ const wxString& msgIdLanguage)
{
// explicitly set language should always be respected
if ( !m_lang.empty() )
return m_lang;
- // TODO: if the default language is used, pick the best (by comparing
- // available languages with user's preferences), instead of blindly
- // trusting availability of system language translation
- return wxLocale::GetLanguageCanonicalName(wxLocale::GetSystemLanguage());
+ wxArrayString available(GetAvailableTranslations(domain));
+ // it's OK to have duplicates, so just add msgid language
+ available.push_back(msgIdLanguage);
+ available.push_back(msgIdLanguage.BeforeFirst('_'));
+
+ wxLogTrace(TRACE_I18N, "choosing best language for domain '%s'", domain);
+ LogTraceArray(" - available translations", available);
+ const wxString lang = GetPreferredUILanguage(available);
+ wxLogTrace(TRACE_I18N, " => using language '%s'", lang);
+ return lang;
}
TRACE_I18N,
"string \"%s\"%s not found in %slocale '%s'.",
origString,
- n != UINT_MAX ? wxString::Format("[%ld]", (long)n) : wxString(),
- !domain.empty() ? wxString::Format("domain '%s' ", domain) : wxString(),
+ (n != UINT_MAX ? wxString::Format("[%ld]", (long)n) : wxString()),
+ (!domain.empty() ? wxString::Format("domain '%s' ", domain) : wxString()),
m_lang
);
wxString GetMsgCatalogSubdirs(const wxString& prefix, const wxString& lang)
{
// Search first in Unix-standard prefix/lang/LC_MESSAGES, then in
- // prefix/lang and finally in just prefix.
+ // prefix/lang.
//
// Note that we use LC_MESSAGES on all platforms and not just Unix, because
// it doesn't cost much to look into one more directory and doing it this
// breaking apps after they are recompiled against the latest wx
// b) it makes it possible to package app's support files in the same
// way on all target platforms
- const wxString pathPrefix = wxFileName(prefix, lang).GetFullPath();
+ const wxString prefixAndLang = wxFileName(prefix, lang).GetFullPath();
wxString searchPath;
- searchPath.reserve(4*pathPrefix.length());
- searchPath << pathPrefix << wxFILE_SEP_PATH << "LC_MESSAGES" << wxPATH_SEP
- << prefix << wxFILE_SEP_PATH << wxPATH_SEP
- << pathPrefix;
+ searchPath.reserve(4*prefixAndLang.length());
+
+ searchPath
+#ifdef __WXOSX__
+ << prefixAndLang << ".lproj/LC_MESSAGES" << wxPATH_SEP
+ << prefixAndLang << ".lproj" << wxPATH_SEP
+#endif
+ << prefixAndLang << wxFILE_SEP_PATH << "LC_MESSAGES" << wxPATH_SEP
+ << prefixAndLang << wxPATH_SEP
+ ;
return searchPath;
}
-// construct the search path for the given language
-static wxString GetFullSearchPath(const wxString& lang)
+bool HasMsgCatalogInDir(const wxString& dir, const wxString& domain)
+{
+ return wxFileName(dir, domain, "mo").FileExists() ||
+ wxFileName(dir + wxFILE_SEP_PATH + "LC_MESSAGES", domain, "mo").FileExists();
+}
+
+// get prefixes to locale directories; if lang is empty, don't point to
+// OSX's .lproj bundles
+wxArrayString GetSearchPrefixes()
{
- // first take the entries explicitly added by the program
wxArrayString paths;
- paths.reserve(gs_searchPrefixes.size() + 1);
- size_t n,
- count = gs_searchPrefixes.size();
- for ( n = 0; n < count; n++ )
- {
- paths.Add(GetMsgCatalogSubdirs(gs_searchPrefixes[n], lang));
- }
+ // first take the entries explicitly added by the program
+ paths = gs_searchPrefixes;
#if wxUSE_STDPATHS
// then look in the standard location
- const wxString stdp = wxStandardPaths::Get().
- GetLocalizedResourcesDir(lang, wxStandardPaths::ResourceCat_Messages);
-
+ wxString stdp;
+ stdp = wxStandardPaths::Get().GetResourcesDir();
if ( paths.Index(stdp) == wxNOT_FOUND )
paths.Add(stdp);
#endif // wxUSE_STDPATHS
const char *pszLcPath = wxGetenv("LC_PATH");
if ( pszLcPath )
{
- const wxString lcp = GetMsgCatalogSubdirs(pszLcPath, lang);
+ const wxString lcp = pszLcPath;
if ( paths.Index(lcp) == wxNOT_FOUND )
paths.Add(lcp);
}
wxString wxp = wxGetInstallPrefix();
if ( !wxp.empty() )
{
- wxp = GetMsgCatalogSubdirs(wxp + wxS("/share/locale"), lang);
+ wxp += wxS("/share/locale");
if ( paths.Index(wxp) == wxNOT_FOUND )
paths.Add(wxp);
}
#endif // __UNIX__
+ return paths;
+}
- // finally construct the full search path
+// construct the search path for the given language
+wxString GetFullSearchPath(const wxString& lang)
+{
wxString searchPath;
searchPath.reserve(500);
- count = paths.size();
- for ( n = 0; n < count; n++ )
+
+ const wxArrayString prefixes = GetSearchPrefixes();
+
+ for ( wxArrayString::const_iterator i = prefixes.begin();
+ i != prefixes.end();
+ ++i )
{
- searchPath += paths[n];
- if ( n != count - 1 )
+ const wxString p = GetMsgCatalogSubdirs(*i, lang);
+
+ if ( !searchPath.empty() )
searchPath += wxPATH_SEP;
+ searchPath += p;
}
return searchPath;
{
wxString searchPath = GetFullSearchPath(lang);
- wxLogTrace(TRACE_I18N, wxS("Looking for \"%s.mo\" in search path \"%s\""),
- domain, searchPath);
+ LogTraceLargeArray
+ (
+ wxString::Format("looking for \"%s.mo\" in search path", domain),
+ wxSplit(searchPath, wxPATH_SEP[0])
+ );
wxFileName fn(domain);
fn.SetExt(wxS("mo"));
}
+wxArrayString wxFileTranslationsLoader::GetAvailableTranslations(const wxString& domain) const
+{
+ wxArrayString langs;
+ const wxArrayString prefixes = GetSearchPrefixes();
+
+ LogTraceLargeArray
+ (
+ wxString::Format("looking for available translations of \"%s\" in search path", domain),
+ prefixes
+ );
+
+ for ( wxArrayString::const_iterator i = prefixes.begin();
+ i != prefixes.end();
+ ++i )
+ {
+ if ( i->empty() )
+ continue;
+ wxDir dir;
+ if ( !dir.Open(*i) )
+ continue;
+
+ wxString lang;
+ for ( bool ok = dir.GetFirst(&lang, "", wxDIR_DIRS);
+ ok;
+ ok = dir.GetNext(&lang) )
+ {
+ const wxString langdir = *i + wxFILE_SEP_PATH + lang;
+ if ( HasMsgCatalogInDir(langdir, domain) )
+ {
+#ifdef __WXOSX__
+ wxString rest;
+ if ( lang.EndsWith(".lproj", &rest) )
+ lang = rest;
+#endif // __WXOSX__
+
+ wxLogTrace(TRACE_I18N,
+ "found %s translation of \"%s\" in %s",
+ lang, domain, langdir);
+ langs.push_back(lang);
+ }
+ }
+ }
+
+ return langs;
+}
+
+
// ----------------------------------------------------------------------------
// wxResourceTranslationsLoader
// ----------------------------------------------------------------------------
#ifdef __WINDOWS__
+
wxMsgCatalog *wxResourceTranslationsLoader::LoadCatalog(const wxString& domain,
const wxString& lang)
{
-
const void *mo_data = NULL;
size_t mo_size = 0;
if ( !wxLoadUserResource(&mo_data, &mo_size,
resname,
- GetResourceType(),
+ GetResourceType().t_str(),
GetModule()) )
- return false;
+ return NULL;
wxLogTrace(TRACE_I18N,
"Using catalog from Windows resource \"%s\".", resname);
domain);
if ( !cat )
+ {
wxLogWarning(_("Resource '%s' is not a valid message catalog."), resname);
+ }
return cat;
}
+
+namespace
+{
+
+struct EnumCallbackData
+{
+ wxString prefix;
+ wxArrayString langs;
+};
+
+BOOL CALLBACK EnumTranslations(HMODULE WXUNUSED(hModule),
+ LPCTSTR WXUNUSED(lpszType),
+ LPTSTR lpszName,
+ LONG_PTR lParam)
+{
+ wxString name(lpszName);
+ name.MakeLower(); // resource names are case insensitive
+
+ EnumCallbackData *data = reinterpret_cast<EnumCallbackData*>(lParam);
+
+ wxString lang;
+ if ( name.StartsWith(data->prefix, &lang) && !lang.empty() )
+ data->langs.push_back(lang);
+
+ return TRUE; // continue enumeration
+}
+
+} // anonymous namespace
+
+
+wxArrayString wxResourceTranslationsLoader::GetAvailableTranslations(const wxString& domain) const
+{
+ EnumCallbackData data;
+ data.prefix = domain + "_";
+ data.prefix.MakeLower(); // resource names are case insensitive
+
+ if ( !EnumResourceNames(GetModule(),
+ GetResourceType().t_str(),
+ EnumTranslations,
+ reinterpret_cast<LONG_PTR>(&data)) )
+ {
+ const DWORD err = GetLastError();
+ if ( err != NO_ERROR && err != ERROR_RESOURCE_TYPE_NOT_FOUND )
+ {
+ wxLogSysError(_("Couldn't enumerate translations"));
+ }
+ }
+
+ return data.langs;
+}
+
#endif // __WINDOWS__
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