3.15

1 files changed, 751 insertions, 0 deletions

diff --git a/shared/i18n.cpp b/shared/i18n.cpp
new file mode 100644
index 00000000..537d9fb4
--- /dev/null
+++ b/shared/i18n.cpp
@@ -0,0 +1,751 @@
+// **************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
+// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de)                    *
+// **************************************************************************
+//
+#include "i18n.h"
+#include <fstream>
+#include <map>
+#include <wx/ffile.h>
+#include <wx/intl.h>
+#include <wx/msgdlg.h>
+#include "../shared/standard_paths.h"
+#include "../shared/string_conv.h"
+#include "system_constants.h"
+#include <boost/any.hpp>
+#include <boost/shared_ptr.hpp>
+#include <list>
+
+using ffs3::LocalizationInfo;
+
+
+namespace
+{
+//will receive their proper value in CustomLocale::CustomLocale()
+wxString THOUSANDS_SEPARATOR = wxT(",");
+wxString DECIMAL_POINT       = wxT(".");
+
+typedef std::map<wxString, wxString> Translation;
+Translation activeTranslation; //map original text |-> translation
+
+int activeLanguage = wxLANGUAGE_ENGLISH;
+}
+
+
+wxString ffs3::getThousandsSeparator()
+{
+    return THOUSANDS_SEPARATOR;
+}
+
+
+wxString ffs3::getDecimalPoint()
+{
+    return DECIMAL_POINT;
+}
+
+
+const std::vector<ffs3::LocInfoLine>& LocalizationInfo::get()
+{
+    static LocalizationInfo instance;
+    return instance.locMapping;
+}
+
+
+LocalizationInfo::LocalizationInfo()
+{
+    ffs3::LocInfoLine newEntry;
+
+    newEntry.languageID     = wxLANGUAGE_CZECH;
+    newEntry.languageName   = wxT("Čeština");
+    newEntry.languageFile   = wxT("czech.lng");
+    newEntry.translatorName = wxT("ViCi");
+    newEntry.languageFlag   = wxT("czechRep.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_GERMAN;
+    newEntry.languageName   = wxT("Deutsch");
+    newEntry.languageFile   = wxT("german.lng");
+    newEntry.translatorName = wxT("ZenJu");
+    newEntry.languageFlag   = wxT("germany.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_ENGLISH_UK;
+    newEntry.languageName   = wxT("English (UK)");
+    newEntry.languageFile   = wxT("english_uk.lng");
+    newEntry.translatorName = wxT("Robert Readman");
+    newEntry.languageFlag   = wxT("england.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_ENGLISH;
+    newEntry.languageName   = wxT("English (US)");
+    newEntry.languageFile   = wxT("");
+    newEntry.translatorName = wxT("ZenJu");
+    newEntry.languageFlag   = wxT("usa.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_SPANISH;
+    newEntry.languageName   = wxT("Español");
+    newEntry.languageFile   = wxT("spanish.lng");
+    newEntry.translatorName = wxT("Alexis Martínez");
+    newEntry.languageFlag   = wxT("spain.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_GREEK;
+    newEntry.languageName   = wxT("Ελληνικά");
+    newEntry.languageFile   = wxT("greek.lng");
+    newEntry.translatorName = wxT("Γιώργος Γιαγλής");
+    newEntry.languageFlag   = wxT("greece.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_FRENCH;
+    newEntry.languageName   = wxT("Français");
+    newEntry.languageFile   = wxT("french.lng");
+    newEntry.translatorName = wxT("Jean-François Hartmann");
+    newEntry.languageFlag   = wxT("france.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_ITALIAN;
+    newEntry.languageName   = wxT("Italiano");
+    newEntry.languageFile   = wxT("italian.lng");
+    newEntry.translatorName = wxT("Emmo");
+    newEntry.languageFlag   = wxT("italy.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_HUNGARIAN;
+    newEntry.languageName   = wxT("Magyar");
+    newEntry.languageFile   = wxT("hungarian.lng");
+    newEntry.translatorName = wxT("Demon");
+    newEntry.languageFlag   = wxT("hungary.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_DUTCH;
+    newEntry.languageName   = wxT("Nederlands");
+    newEntry.languageFile   = wxT("dutch.lng");
+    newEntry.translatorName = wxT("Dion van Lieshout");
+    newEntry.languageFlag   = wxT("holland.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_POLISH;
+    newEntry.languageName   = wxT("Polski");
+    newEntry.languageFile   = wxT("polish.lng");
+    newEntry.translatorName = wxT("Wojtek Pietruszewski");
+    newEntry.languageFlag   = wxT("poland.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_PORTUGUESE;
+    newEntry.languageName   = wxT("Português");
+    newEntry.languageFile   = wxT("portuguese.lng");
+    newEntry.translatorName = wxT("QuestMark");
+    newEntry.languageFlag   = wxT("portugal.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_PORTUGUESE_BRAZILIAN;
+    newEntry.languageName   = wxT("Português do Brasil");
+    newEntry.languageFile   = wxT("portuguese_br.lng");
+    newEntry.translatorName = wxT("Edison Aranha");
+    newEntry.languageFlag   = wxT("brazil.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_RUSSIAN;
+    newEntry.languageName   = wxT("Pусский");
+    newEntry.languageFile   = wxT("russian.lng");
+    newEntry.translatorName = wxT("Fayzullin T.N. aka Svobodniy");
+    newEntry.languageFlag   = wxT("russia.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_ROMANIAN;
+    newEntry.languageName   = wxT("Română");
+    newEntry.languageFile   = wxT("romanian.lng");
+    newEntry.translatorName = wxT("Alexandru Bogdan Munteanu");
+    newEntry.languageFlag   = wxT("romania.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_SLOVENIAN;
+    newEntry.languageName   = wxT("Slovenščina");
+    newEntry.languageFile   = wxT("slovenian.lng");
+    newEntry.translatorName = wxT("Matej Badalic");
+    newEntry.languageFlag   = wxT("slovakia.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_FINNISH;
+    newEntry.languageName   = wxT("Suomi");
+    newEntry.languageFile   = wxT("finnish.lng");
+    newEntry.translatorName = wxT("Nalle Juslén");
+    newEntry.languageFlag   = wxT("finland.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_SWEDISH;
+    newEntry.languageName   = wxT("Svenska");
+    newEntry.languageFile   = wxT("swedish.lng");
+    newEntry.translatorName = wxT("Åke Engelbrektson");
+    newEntry.languageFlag   = wxT("sweden.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_TURKISH;
+    newEntry.languageName   = wxT("Türkçe");
+    newEntry.languageFile   = wxT("turkish.lng");
+    newEntry.translatorName = wxT("Kaya Zeren");
+    newEntry.languageFlag   = wxT("turkey.png");
+    locMapping.push_back(newEntry);
+
+    //    newEntry.languageID     = wxLANGUAGE_HEBREW;
+    //    newEntry.languageName   = wxT("עִבְרִית");
+    //    newEntry.languageFile   = wxT("hebrew.lng");
+    //    newEntry.translatorName = wxT("Moshe Olshevsky");
+    //    newEntry.languageFlag   = wxT("isreal.png");
+    //    locMapping.push_back(newEntry);
+
+    //    newEntry.languageID     = wxLANGUAGE_ARABIC;
+    //    newEntry.languageName   = wxT("العربية");
+    //    newEntry.languageFile   = wxT("arabic.lng");
+    //    newEntry.translatorName = wxT("Yousef Shamshoum");
+    //    newEntry.languageFlag   = wxT("arabic-language.png");
+    //    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_JAPANESE;
+    newEntry.languageName   = wxT("日本語");
+    newEntry.languageFile   = wxT("japanese.lng");
+    newEntry.translatorName = wxT("Tilt");
+    newEntry.languageFlag   = wxT("japan.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_CHINESE_TRADITIONAL;
+    newEntry.languageName   = wxT("正體中文");
+    newEntry.languageFile   = wxT("chinese_traditional.lng");
+    newEntry.translatorName = wxT("Carlos");
+    newEntry.languageFlag   = wxT("taiwan.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_CHINESE_SIMPLIFIED;
+    newEntry.languageName   = wxT("简体中文");
+    newEntry.languageFile   = wxT("chinese_simple.lng");
+    newEntry.translatorName = wxT("CyberCowBoy");
+    newEntry.languageFlag   = wxT("china.png");
+    locMapping.push_back(newEntry);
+
+    newEntry.languageID     = wxLANGUAGE_KOREAN;
+    newEntry.languageName   = wxT("한국어");
+    newEntry.languageFile   = wxT("korean.lng");
+    newEntry.translatorName = wxT("Simon Park");
+    newEntry.languageFlag   = wxT("south_korea.png");
+    locMapping.push_back(newEntry);
+}
+
+
+namespace
+{
+int mapLanguageDialect(int language)
+{
+    switch (language) //map language dialects
+    {
+            //variants of wxLANGUAGE_GERMAN
+        case wxLANGUAGE_GERMAN_AUSTRIAN:
+        case wxLANGUAGE_GERMAN_BELGIUM:
+        case wxLANGUAGE_GERMAN_LIECHTENSTEIN:
+        case wxLANGUAGE_GERMAN_LUXEMBOURG:
+        case wxLANGUAGE_GERMAN_SWISS:
+            return wxLANGUAGE_GERMAN;
+
+            //variants of wxLANGUAGE_FRENCH
+        case wxLANGUAGE_FRENCH_BELGIAN:
+        case wxLANGUAGE_FRENCH_CANADIAN:
+        case wxLANGUAGE_FRENCH_LUXEMBOURG:
+        case wxLANGUAGE_FRENCH_MONACO:
+        case wxLANGUAGE_FRENCH_SWISS:
+            return wxLANGUAGE_FRENCH;
+
+            //variants of wxLANGUAGE_DUTCH
+        case wxLANGUAGE_DUTCH_BELGIAN:
+            return wxLANGUAGE_DUTCH;
+
+            //variants of wxLANGUAGE_ITALIAN
+        case wxLANGUAGE_ITALIAN_SWISS:
+            return wxLANGUAGE_ITALIAN;
+
+            //variants of wxLANGUAGE_CHINESE_SIMPLIFIED
+        case wxLANGUAGE_CHINESE:
+        case wxLANGUAGE_CHINESE_SINGAPORE:
+            return wxLANGUAGE_CHINESE_SIMPLIFIED;
+
+            //variants of wxLANGUAGE_CHINESE_TRADITIONAL
+        case wxLANGUAGE_CHINESE_TAIWAN:
+        case wxLANGUAGE_CHINESE_HONGKONG:
+        case wxLANGUAGE_CHINESE_MACAU:
+            return wxLANGUAGE_CHINESE_TRADITIONAL;
+
+            //variants of wxLANGUAGE_RUSSIAN
+        case wxLANGUAGE_RUSSIAN_UKRAINE:
+            return wxLANGUAGE_RUSSIAN;
+
+            //variants of wxLANGUAGE_SPANISH
+        case wxLANGUAGE_SPANISH_ARGENTINA:
+        case wxLANGUAGE_SPANISH_BOLIVIA:
+        case wxLANGUAGE_SPANISH_CHILE:
+        case wxLANGUAGE_SPANISH_COLOMBIA:
+        case wxLANGUAGE_SPANISH_COSTA_RICA:
+        case wxLANGUAGE_SPANISH_DOMINICAN_REPUBLIC:
+        case wxLANGUAGE_SPANISH_ECUADOR:
+        case wxLANGUAGE_SPANISH_EL_SALVADOR:
+        case wxLANGUAGE_SPANISH_GUATEMALA:
+        case wxLANGUAGE_SPANISH_HONDURAS:
+        case wxLANGUAGE_SPANISH_MEXICAN:
+        case wxLANGUAGE_SPANISH_MODERN:
+        case wxLANGUAGE_SPANISH_NICARAGUA:
+        case wxLANGUAGE_SPANISH_PANAMA:
+        case wxLANGUAGE_SPANISH_PARAGUAY:
+        case wxLANGUAGE_SPANISH_PERU:
+        case wxLANGUAGE_SPANISH_PUERTO_RICO:
+        case wxLANGUAGE_SPANISH_URUGUAY:
+        case wxLANGUAGE_SPANISH_US:
+        case wxLANGUAGE_SPANISH_VENEZUELA:
+            return wxLANGUAGE_SPANISH;
+
+            //variants of wxLANGUAGE_SWEDISH
+        case wxLANGUAGE_SWEDISH_FINLAND:
+            return wxLANGUAGE_SWEDISH;
+
+            //case wxLANGUAGE_CZECH:
+            //case wxLANGUAGE_FINNISH:
+            //case wxLANGUAGE_GREEK:
+            //case wxLANGUAGE_JAPANESE:
+            //case wxLANGUAGE_POLISH:
+            //case wxLANGUAGE_SLOVENIAN:
+            //case wxLANGUAGE_HUNGARIAN:
+            //case wxLANGUAGE_PORTUGUESE:
+            //case wxLANGUAGE_PORTUGUESE_BRAZILIAN:
+            //case wxLANGUAGE_KOREAN:
+
+            //variants of wxLANGUAGE_ARABIC
+        case wxLANGUAGE_ARABIC_ALGERIA:
+        case wxLANGUAGE_ARABIC_BAHRAIN:
+        case wxLANGUAGE_ARABIC_EGYPT:
+        case wxLANGUAGE_ARABIC_IRAQ:
+        case wxLANGUAGE_ARABIC_JORDAN:
+        case wxLANGUAGE_ARABIC_KUWAIT:
+        case wxLANGUAGE_ARABIC_LEBANON:
+        case wxLANGUAGE_ARABIC_LIBYA:
+        case wxLANGUAGE_ARABIC_MOROCCO:
+        case wxLANGUAGE_ARABIC_OMAN:
+        case wxLANGUAGE_ARABIC_QATAR:
+        case wxLANGUAGE_ARABIC_SAUDI_ARABIA:
+        case wxLANGUAGE_ARABIC_SUDAN:
+        case wxLANGUAGE_ARABIC_SYRIA:
+        case wxLANGUAGE_ARABIC_TUNISIA:
+        case wxLANGUAGE_ARABIC_UAE:
+        case wxLANGUAGE_ARABIC_YEMEN:
+            return wxLANGUAGE_ARABIC;
+
+            //variants of wxLANGUAGE_ENGLISH_UK
+        case wxLANGUAGE_ENGLISH_AUSTRALIA:
+        case wxLANGUAGE_ENGLISH_NEW_ZEALAND:
+        case wxLANGUAGE_ENGLISH_TRINIDAD:
+        case wxLANGUAGE_ENGLISH_CARIBBEAN:
+        case wxLANGUAGE_ENGLISH_JAMAICA:
+        case wxLANGUAGE_ENGLISH_BELIZE:
+        case wxLANGUAGE_ENGLISH_EIRE:
+        case wxLANGUAGE_ENGLISH_SOUTH_AFRICA:
+        case wxLANGUAGE_ENGLISH_ZIMBABWE:
+        case wxLANGUAGE_ENGLISH_BOTSWANA:
+        case wxLANGUAGE_ENGLISH_DENMARK:
+            return wxLANGUAGE_ENGLISH_UK;
+
+        default:
+            return language;
+    }
+}
+
+
+inline
+void exchangeEscapeChars(wxString& data)
+{
+    wxString output;
+
+    const wxChar* input = data.c_str();
+
+    wxChar value;
+    while ((value = *input) != wxChar(0))
+    {
+        //read backslash
+        if (value == wxChar('\\'))
+        {
+            //read next character
+            ++input;
+            if ((value = *input) == wxChar(0))
+                break;
+
+            switch (value)
+            {
+                case wxChar('\\'):
+                    output += wxChar('\\');
+                    break;
+                case wxChar('n'):
+                    output += wxChar('\n');
+                    break;
+                case wxChar('t'):
+                    output += wxChar('\t');
+                    break;
+                case wxChar('\"'):
+                    output += wxChar('\"');
+                    break;
+                default:
+                    output += value;
+            }
+        }
+        else
+            output += value;
+
+        ++input;
+    }
+    data = output;
+}
+
+
+//workaround to get a FILE* from a unicode filename in a portable way
+class UnicodeFileReader
+{
+public:
+    UnicodeFileReader(const wxString& filename) :
+        inputFile(NULL)
+    {
+        wxFFile dummyFile(filename, wxT("rb"));
+        if (dummyFile.IsOpened())
+        {
+            inputFile = dummyFile.fp();
+            dummyFile.Detach();
+        }
+    }
+
+    ~UnicodeFileReader()
+    {
+        if (inputFile != NULL)
+            fclose(inputFile);
+    }
+
+    bool isOkay()
+    {
+        return inputFile != NULL;
+    }
+
+    bool getNextLine(wxString& line)
+    {
+        std::string output;
+
+        while (true)
+        {
+            const int c = fgetc(inputFile);
+            if (c == EOF)
+                return false;
+            else if (c == 0xD)
+            {
+                //Delimiter:
+                //----------
+                //Linux: 0xA        \n
+                //Mac:   0xD        \r
+                //Win:   0xD 0xA    \r\n    <- language files are in Windows format
+
+                fgetc(inputFile);  //discard the 0xA character
+
+                line = wxString::FromUTF8(output.c_str(), output.length());
+                return true;
+            }
+            output += static_cast<char>(c);
+        }
+    }
+
+private:
+    FILE* inputFile;
+};
+
+
+void loadTranslation(const wxString& filename, Translation& trans) //empty translation on error
+{
+    trans.clear();
+
+    UnicodeFileReader langFile(ffs3::getResourceDir() +  wxT("Languages") + ffs3::zToWx(common::FILE_NAME_SEPARATOR) + filename);
+    if (langFile.isOkay())
+    {
+        int rowNumber = 0;
+        wxString original;
+        wxString tmpString;
+        while (langFile.getNextLine(tmpString))
+        {
+            exchangeEscapeChars(tmpString);
+
+            if (rowNumber++ % 2 == 0)
+                original = tmpString;
+            else
+            {
+                const wxString& translation = tmpString;
+
+                if (!original.empty() && !translation.empty())
+                    trans.insert(std::make_pair(original, translation));
+            }
+        }
+    }
+}
+}
+
+
+void ffs3::setLanguage(int language)
+{
+    static class StaticInit
+    {
+    public:
+        StaticInit() : loc(wxLANGUAGE_DEFAULT)  //wxLocale: we need deferred initialization, sigh...
+        {
+            //::setlocale (LC_ALL, ""); -> implicitly called by wxLocale
+            const lconv* localInfo = ::localeconv();
+
+            //actually these two parameters are language dependent, but we take system setting to handle all kinds of language derivations
+            THOUSANDS_SEPARATOR = wxString::FromUTF8(localInfo->thousands_sep);
+            DECIMAL_POINT       = wxString::FromUTF8(localInfo->decimal_point);
+
+            // why not working?
+            // THOUSANDS_SEPARATOR = std::use_facet<std::numpunct<wchar_t> >(std::locale("")).thousands_sep();
+            // DECIMAL_POINT       = std::use_facet<std::numpunct<wchar_t> >(std::locale("")).decimal_point();
+        }
+    private:
+        wxLocale loc; //required for RTL language support (and nothing else)
+    } dummy;
+
+    activeLanguage = language;
+
+    //default: english
+    wxString languageFile;
+
+    //(try to) retrieve language filename
+    const int mappedLanguage = mapLanguageDialect(language);
+    for (std::vector<LocInfoLine>::const_iterator i = LocalizationInfo::get().begin(); i != LocalizationInfo::get().end(); ++i)
+        if (i->languageID == mappedLanguage)
+        {
+            languageFile = i->languageFile;
+            break;
+        }
+
+    //load language file into buffer
+    activeTranslation.clear();
+    if (!languageFile.empty())
+    {
+        loadTranslation(languageFile, activeTranslation); //empty translation on error
+        if (activeTranslation.empty())
+        {
+            wxMessageBox(wxString(_("Error reading file:")) + wxT(" \"") + languageFile + wxT("\""), _("Error"), wxOK | wxICON_ERROR);
+            activeLanguage = wxLANGUAGE_ENGLISH; //reset to english language to show this error just once
+        }
+    }
+    else
+        ;   //if languageFile is empty texts will be english per default
+}
+
+
+int ffs3::getLanguage()
+{
+    return activeLanguage;
+}
+
+
+int ffs3::retrieveSystemLanguage()
+{
+    return wxLocale::GetSystemLanguage();
+}
+
+
+
+
+/*
+typedef Zbase<wchar_t> Wstring;
+
+const Wstring TK_TERNARY_QUEST = L"?";
+const Wstring TK_TERNARY_COLON = L":";
+const Wstring TK_OR            = L"||";
+const Wstring TK_AND           = L"&&";
+const Wstring TK_EQUAL         = L"==";
+const Wstring TK_NOT_EQUAL     = L"!=";
+const Wstring TK_LESS          = L"<";
+const Wstring TK_LESS_EQUAL    = L"<=";
+const Wstring TK_GREATER       = L">";
+const Wstring TK_GREATER_EQUAL = L">=";
+const Wstring TK_MODULUS       = L"%";
+const Wstring TK_N             = L"n";
+const Wstring TK_BRACKET_LEFT  = L"(";
+const Wstring TK_BRACKET_RIGHT = L")";
+const Wstring TK_FORM_COUNT    = L"nplurals=";
+const Wstring TK_PHRASE_BEGIN  = L"plural=";
+
+
+template <class T>
+struct Expr
+{
+    typedef T ValueType;
+    virtual ValueType eval() const = 0;
+};
+
+
+template <class In, class Out, class BiOp>
+struct GenericBiExp : public Out
+{
+    GenericBiExp(const In& lhs, const In& rhs, BiOp biop) : lhs_(lhs), rhs_(rhs), biop_(biop) {}
+    virtual typename Out::ValueType eval() const { return biop_(lhs_.eval(), rhs_.eval()); }
+    const In& lhs_;
+    const In& rhs_;
+    BiOp biop_;
+};
+
+template <class Out, class In, class BiOp>
+inline
+GenericBiExp<In, Out, BiOp> makeBiExp(const In& lhs, const In& rhs, BiOp biop)
+{
+    return GenericBiExp<In, Out, BiOp>(lhs, rhs, biop);
+}
+
+template <class Out>
+struct TernaryExp : public Out
+{
+    TernaryExp(const Expr<bool>& ifExp, const Out& thenExp, const Out& elseExp) : ifExp_(ifExp), thenExp_(thenExp), elseExp_(elseExp) {}
+    virtual typename Out::ValueType eval() const { return ifExp_.eval() ? thenExp_.eval() : elseExp_.eval(); }
+    const Expr<bool>& ifExp_;
+    const Out& thenExp_;
+    const Out& elseExp_;
+};
+
+struct LiteralNumberEx : public Expr<int>
+{
+    LiteralNumberEx(int n) : n_(n) {}
+    virtual ValueType eval() const { return n_; }
+    int n_;
+};
+
+struct NumberN : public Expr<int>
+{
+    NumberN(int& n) : n_(n) {}
+    virtual ValueType eval() const { return n_; }
+    int& n_;
+};
+
+
+class PluralForm
+{
+public:
+    struct ParserError {};
+
+    PluralForm(const Wstring& phrase) //.po format,e.g.: nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2)
+    {
+        Wstring tmp;
+        std::remove_copy_if(phrase.begin(), phrase.end(), std::back_inserter(tmp), std::iswspace);
+
+        size_t pos = tmp.find(TK_FORM_COUNT);
+        if (pos == Wstring::npos)
+            throw ParserError();
+
+        count = tmp.substr(pos + TK_FORM_COUNT.size()).toNumber<int>();
+
+        pos = tmp.find(TK_PHRASE_BEGIN);
+        if (pos == Wstring::npos)
+            throw ParserError();
+
+        expr = &parseNumber(tmp.substr(pos + TK_PHRASE_BEGIN.size()));
+    }
+
+    int formCount() const { return count; }
+
+    int getForm(int n) const { n_ = n ; return expr->eval(); }
+
+private:
+    const Expr<bool>& parseBool(const Wstring& phrase)
+    {
+        Wstring part1, part2;
+        if (trySplit(phrase, TK_OR, part1, part2))
+            return manageObj(makeBiExp<Expr<bool> >(parseBool(part1), parseBool(part2), std::logical_or<bool>()));
+        else if (trySplit(phrase, TK_AND, part1, part2))
+            return manageObj(makeBiExp<Expr<bool> >(parseBool(part1), parseBool(part2), std::logical_and<bool>()));
+        else if (trySplit(phrase, TK_EQUAL, part1, part2))
+            return manageObj(makeBiExp<Expr<bool> >(parseNumber(part1), parseNumber(part2), std::equal_to<int>()));
+        else if (trySplit(phrase, TK_NOT_EQUAL, part1, part2))
+            return manageObj(makeBiExp<Expr<bool> >(parseNumber(part1), parseNumber(part2), std::not_equal_to<int>()));
+        else if (trySplit(phrase, TK_LESS, part1, part2))
+            return manageObj(makeBiExp<Expr<bool> >(parseNumber(part1), parseNumber(part2), std::less<int>()));
+        else if (trySplit(phrase, TK_LESS_EQUAL, part1, part2))
+            return manageObj(makeBiExp<Expr<bool> >(parseNumber(part1), parseNumber(part2), std::less_equal<int>()));
+        else if (trySplit(phrase, TK_GREATER, part1, part2))
+            return manageObj(makeBiExp<Expr<bool> >(parseNumber(part1), parseNumber(part2), std::greater<int>()));
+        else if (trySplit(phrase, TK_GREATER_EQUAL, part1, part2))
+            return manageObj(makeBiExp<Expr<bool> >(parseNumber(part1), parseNumber(part2), std::greater_equal<int>()));
+        else
+            throw ParserError();
+    }
+
+    const Expr<int>& parseNumber(const Wstring& phrase)
+    {
+        Wstring part1, part2;
+
+
+        if (trySplit(phrase, TK_TERNARY_QUEST, part1, part2, TO_LEFT))
+        {
+            Wstring part3;
+            if (!trySplit(Wstring(part2), TK_TERNARY_COLON, part2, part3, TO_LEFT))
+                throw ParserError();
+            return manageObj(TernaryExp<Expr<int> >(parseBool(part1), parseNumber(part2), parseNumber(part3)));
+        }
+        else if (trySplit(phrase, TK_MODULUS, part1, part2))
+            return manageObj(makeBiExp<Expr<int> >(parseNumber(part1), parseNumber(part2), std::modulus<int>()));
+        else if (phrase == TK_N)
+            return manageObj(NumberN(n_));
+        else //expect literal number
+        {
+            if (std::find_if(phrase.begin(), phrase.end(), std::not1(std::ptr_fun(std::iswdigit))) != phrase.end())
+                throw ParserError();
+            return manageObj(LiteralNumberEx(phrase.toNumber<int>()));
+        }
+    }
+
+    enum Associativity
+    {
+        TO_LEFT,
+        TO_RIGHT
+    };
+    static bool trySplit(const Wstring& phrase, const Wstring& delimiter, Wstring& part1, Wstring& part2, Associativity assoc = TO_RIGHT)
+    {
+        size_t pos = assoc == TO_LEFT ?
+                     phrase.find(delimiter) : //reverse [!]
+                     phrase.rfind(delimiter);
+        if (pos == Wstring::npos)
+            return false;
+
+        part1 = phrase.substr(0, pos);
+        part2 = phrase.substr(pos + delimiter.size());
+        return true;
+    }
+
+    template <class T>
+    const T& manageObj(const T& obj)
+    {
+        dump.push_back(obj);
+        return *boost::any_cast<T>(&dump.back());
+    }
+
+    int count;
+    const Expr<int>* expr;
+    mutable int n_;
+
+    std::list<boost::any> dump; //manage polymorphc object lifetimes
+};
+
+
+    PluralForm dummy(L"nplurals=3; plural=n == 1 ? 0 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 > 20) ? 1 : 2");
+    int ddf = dummy.formCount();
+    int kddf = dummy.getForm(0);
+*/
+
+
+
+wxString ffs3::translate(const wxString& original) //translate into currently selected language
+{
+    //look for translation in buffer table
+    const Translation::const_iterator i = activeTranslation.find(original);
+    if (i != activeTranslation.end())
+        return i->second.c_str();
+
+    //fallback
+    return original;
+}