]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/intl.cpp
make construct simpler
[wxWidgets.git] / src / common / intl.cpp
index 66a219459b10aaefb74652f86f4b5422e471cb56..6e9a0365640a0ce359495a212dae595a1d1c9d88 100644 (file)
@@ -2,11 +2,12 @@
 // Name:        src/common/intl.cpp
 // Purpose:     Internationalization and localisation for wxWindows
 // Author:      Vadim Zeitlin
-// Modified by:
+// Modified by: Michael N. Filippov <michael@idisys.iae.nsk.su>
+//              (2003/09/30 - PluralForms support)
 // Created:     29/01/98
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "intl.h"
 #endif
 
+#if defined(__BORLAND__) && !defined(__WXDEBUG__)
+    // There's a bug in Borland's compiler that breaks wxLocale with -O2,
+    // so make sure that flag is not used for this file:
+    #pragma option -O1
+#endif
+
+#ifdef __EMX__
+// The following define is needed by Innotek's libc to
+// make the definition of struct localeconv available.
+#define __INTERNAL_DEFS
+#endif
+
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #if wxUSE_INTL
 
 // standard headers
+
+#ifndef __WXWINCE__
 #include <locale.h>
+#endif
+
 #include <ctype.h>
 #include <stdlib.h>
 #ifdef HAVE_LANGINFO_H
     #include "wx/dynarray.h"
 #endif // WX_PRECOMP
 
+#ifdef __WIN32__
+    #include "wx/msw/private.h"
+#elif defined(__UNIX_LIKE__)
+    #include "wx/fontmap.h"         // for CharsetToEncoding()
+#endif
+
 #include "wx/file.h"
 #include "wx/tokenzr.h"
 #include "wx/module.h"
 #include "wx/fontmap.h"
 #include "wx/encconv.h"
+#include "wx/hashmap.h"
+#include "wx/ptr_scpd.h"
 
-#ifdef __WIN32__
-    #include "wx/msw/private.h"
-#elif defined(__UNIX_LIKE__)
-    #include "wx/fontmap.h"         // for CharsetToEncoding()
+#if defined(__WXMAC__)
+  #include  "wx/mac/private.h"  // includes mac headers
 #endif
 
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 
 // 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
-                wxASSERT_MSG( wxAssertIsEqual(sizeof(int), 4),
-                              "size_t32 is incorrectly defined!" );
-            }
-        } intsizechecker;
-    #endif
-#endif // Win/!Win
+typedef wxUint8 size_t8;
+typedef wxUint32 size_t32;
 
 // ----------------------------------------------------------------------------
 // constants
@@ -168,8 +158,802 @@ static inline wxString ExtractNotLang(const wxString& langFull)
 
 #endif // __UNIX__
 
+
+// ----------------------------------------------------------------------------
+// Plural forms parser
+// ----------------------------------------------------------------------------
+
+/* 
+                                Simplified Grammar
+
+Expression:
+    LogicalOrExpression '?' Expression ':' Expression
+    LogicalOrExpression
+
+LogicalOrExpression:
+    LogicalAndExpression "||" LogicalOrExpression   // to (a || b) || c
+    LogicalAndExpression
+
+LogicalAndExpression:
+    EqualityExpression "&&" LogicalAndExpression    // to (a && b) && c
+    EqualityExpression
+
+EqualityExpression:
+    RelationalExpression "==" RelationalExperession
+    RelationalExpression "!=" RelationalExperession
+    RelationalExpression
+
+RelationalExpression:
+    MultiplicativeExpression '>' MultiplicativeExpression
+    MultiplicativeExpression '<' MultiplicativeExpression
+    MultiplicativeExpression ">=" MultiplicativeExpression
+    MultiplicativeExpression "<=" MultiplicativeExpression
+    MultiplicativeExpression
+    
+MultiplicativeExpression:
+    PmExpression '%' PmExpression
+    PmExpression
+
+PmExpression:
+    N
+    Number
+    '(' Expression ')'
+*/
+
+class wxPluralFormsToken
+{
+public:
+    enum Type
+    {
+        T_ERROR, T_EOF, T_NUMBER, T_N, T_PLURAL, T_NPLURALS, T_EQUAL, T_ASSIGN,
+        T_GREATER, T_GREATER_OR_EQUAL, T_LESS, T_LESS_OR_EQUAL,
+        T_REMINDER, T_NOT_EQUAL,
+        T_LOGICAL_AND, T_LOGICAL_OR, T_QUESTION, T_COLON, T_SEMICOLON,
+        T_LEFT_BRACKET, T_RIGHT_BRACKET
+    };
+    Type type() const { return m_type; }
+    void setType(Type type) { m_type = type; }
+    // for T_NUMBER only
+    typedef int Number;
+    Number number() const { return m_number; }
+    void setNumber(Number num) { m_number = num; }
+private:
+    Type m_type;
+    Number m_number;
+};
+
+
+class wxPluralFormsScanner
+{
+public:
+    wxPluralFormsScanner(const char* s);
+    const wxPluralFormsToken& token() const { return m_token; }
+    bool nextToken();  // returns false if error
+private:
+    const char* m_s;
+    wxPluralFormsToken m_token;
+};
+
+wxPluralFormsScanner::wxPluralFormsScanner(const char* s) : m_s(s)
+{
+    nextToken();
+}
+
+bool wxPluralFormsScanner::nextToken()
+{
+    wxPluralFormsToken::Type type = wxPluralFormsToken::T_ERROR;
+    while (isspace(*m_s))
+    {
+        ++m_s;
+    }
+    if (*m_s == 0)
+    {
+        type = wxPluralFormsToken::T_EOF;
+    }
+    else if (isdigit(*m_s))
+    {
+        wxPluralFormsToken::Number number = *m_s++ - '0';
+        while (isdigit(*m_s))
+        {
+            number = number * 10 + (*m_s++ - '0');
+        }
+        m_token.setNumber(number);
+        type = wxPluralFormsToken::T_NUMBER;
+    }
+    else if (isalpha(*m_s))
+    {
+        const char* begin = m_s++;
+        while (isalnum(*m_s))
+        {
+            ++m_s;
+        }
+        size_t size = m_s - begin;
+        if (size == 1 && memcmp(begin, "n", size) == 0)
+        {
+            type = wxPluralFormsToken::T_N;
+        }
+        else if (size == 6 && memcmp(begin, "plural", size) == 0)
+        {
+            type = wxPluralFormsToken::T_PLURAL;
+        }
+        else if (size == 8 && memcmp(begin, "nplurals", size) == 0)
+        {
+            type = wxPluralFormsToken::T_NPLURALS;
+        }
+    }
+    else if (*m_s == '=')
+    {
+        ++m_s;
+        if (*m_s == '=')
+        {
+            ++m_s;
+            type = wxPluralFormsToken::T_EQUAL;
+        }
+        else
+        {
+            type = wxPluralFormsToken::T_ASSIGN;
+        }
+    }
+    else if (*m_s == '>')
+    {
+        ++m_s;
+        if (*m_s == '=')
+        {
+            ++m_s;
+            type = wxPluralFormsToken::T_GREATER_OR_EQUAL;
+        }
+        else
+        {
+            type = wxPluralFormsToken::T_GREATER;
+        }
+    }
+    else if (*m_s == '<')
+    {
+        ++m_s;
+        if (*m_s == '=')
+        {
+            ++m_s;
+            type = wxPluralFormsToken::T_LESS_OR_EQUAL;
+        }
+        else
+        {
+            type = wxPluralFormsToken::T_LESS;
+        }
+    }
+    else if (*m_s == '%')
+    {
+        ++m_s;
+        type = wxPluralFormsToken::T_REMINDER;
+    }
+    else if (*m_s == '!' && m_s[1] == '=')
+    {
+        m_s += 2;
+        type = wxPluralFormsToken::T_NOT_EQUAL;
+    }
+    else if (*m_s == '&' && m_s[1] == '&')
+    {
+        m_s += 2;
+        type = wxPluralFormsToken::T_LOGICAL_AND;
+    }
+    else if (*m_s == '|' && m_s[1] == '|')
+    {
+        m_s += 2;
+        type = wxPluralFormsToken::T_LOGICAL_OR;
+    }
+    else if (*m_s == '?')
+    {
+        ++m_s;
+        type = wxPluralFormsToken::T_QUESTION;
+    }
+    else if (*m_s == ':')
+    {
+        ++m_s;
+        type = wxPluralFormsToken::T_COLON;
+    } else if (*m_s == ';') {
+        ++m_s;
+        type = wxPluralFormsToken::T_SEMICOLON;
+    }
+    else if (*m_s == '(')
+    {
+        ++m_s;
+        type = wxPluralFormsToken::T_LEFT_BRACKET;
+    }
+    else if (*m_s == ')')
+    {
+        ++m_s;
+        type = wxPluralFormsToken::T_RIGHT_BRACKET;
+    }
+    m_token.setType(type);
+    return type != wxPluralFormsToken::T_ERROR;
+}
+
+class wxPluralFormsNode;
+
+// NB: Can't use wxDEFINE_SCOPED_PTR_TYPE because wxPluralFormsNode is not
+//     fully defined yet:
+class wxPluralFormsNodePtr
+{
+public:
+    wxPluralFormsNodePtr(wxPluralFormsNode *p = NULL) : m_p(p) {}
+    ~wxPluralFormsNodePtr();
+    wxPluralFormsNode& operator*() const { return *m_p; }
+    wxPluralFormsNode* operator->() const { return m_p; }
+    wxPluralFormsNode* get() const { return m_p; }
+    wxPluralFormsNode* release();
+    void reset(wxPluralFormsNode *p);
+
+private:
+    wxPluralFormsNode *m_p;
+};
+
+class wxPluralFormsNode
+{
+public:
+    wxPluralFormsNode(const wxPluralFormsToken& token) : m_token(token) {}
+    const wxPluralFormsToken& token() const { return m_token; }
+    const wxPluralFormsNode* node(size_t i) const
+        { return m_nodes[i].get(); }
+    void setNode(size_t i, wxPluralFormsNode* n);
+    wxPluralFormsNode* releaseNode(size_t i);
+    wxPluralFormsToken::Number evaluate(wxPluralFormsToken::Number n) const;
+
+private:
+    wxPluralFormsToken m_token;
+    wxPluralFormsNodePtr m_nodes[3];
+};
+    
+wxPluralFormsNodePtr::~wxPluralFormsNodePtr()
+{
+    delete m_p;
+}
+wxPluralFormsNode* wxPluralFormsNodePtr::release()
+{
+    wxPluralFormsNode *p = m_p;
+    m_p = NULL;
+    return p;
+}
+void wxPluralFormsNodePtr::reset(wxPluralFormsNode *p)
+{
+    if (p != m_p)
+    {
+        delete m_p;
+        m_p = p;
+    }
+}
+
+
+void wxPluralFormsNode::setNode(size_t i, wxPluralFormsNode* n)
+{
+    m_nodes[i].reset(n);
+}
+
+wxPluralFormsNode*  wxPluralFormsNode::releaseNode(size_t i)
+{
+    return m_nodes[i].release();
+}
+
+wxPluralFormsToken::Number
+wxPluralFormsNode::evaluate(wxPluralFormsToken::Number n) const
+{
+    switch (token().type())
+    {
+        // leaf
+        case wxPluralFormsToken::T_NUMBER:
+            return token().number();
+        case wxPluralFormsToken::T_N:
+            return n;
+        // 2 args
+        case wxPluralFormsToken::T_EQUAL:
+            return node(0)->evaluate(n) == node(1)->evaluate(n);
+        case wxPluralFormsToken::T_NOT_EQUAL:
+            return node(0)->evaluate(n) != node(1)->evaluate(n);
+        case wxPluralFormsToken::T_GREATER:
+            return node(0)->evaluate(n) > node(1)->evaluate(n);
+        case wxPluralFormsToken::T_GREATER_OR_EQUAL:
+            return node(0)->evaluate(n) >= node(1)->evaluate(n);
+        case wxPluralFormsToken::T_LESS:
+            return node(0)->evaluate(n) < node(1)->evaluate(n);
+        case wxPluralFormsToken::T_LESS_OR_EQUAL:
+            return node(0)->evaluate(n) <= node(1)->evaluate(n);
+        case wxPluralFormsToken::T_REMINDER:
+            {
+                wxPluralFormsToken::Number number = node(1)->evaluate(n);
+                if (number != 0)
+                {
+                    return node(0)->evaluate(n) % number;
+                }
+                else
+                {
+                    return 0;
+                }
+            }
+        case wxPluralFormsToken::T_LOGICAL_AND:
+            return node(0)->evaluate(n) && node(1)->evaluate(n);
+        case wxPluralFormsToken::T_LOGICAL_OR:
+            return node(0)->evaluate(n) || node(1)->evaluate(n);
+        // 3 args
+        case wxPluralFormsToken::T_QUESTION:
+            return node(0)->evaluate(n)
+                ? node(1)->evaluate(n)
+                : node(2)->evaluate(n);
+        default:
+            return 0;
+    }
+}
+
+
+class wxPluralFormsCalculator
+{
+public:
+    wxPluralFormsCalculator() : m_nplurals(0), m_plural(0) {}
+    
+    // input: number, returns msgstr index
+    int evaluate(int n) const;
+
+    // input: text after "Plural-Forms:" (e.g. "nplurals=2; plural=(n != 1);"),
+    // if s == 0, creates default handler
+    // returns 0 if error
+    static wxPluralFormsCalculator* make(const char* s = 0);
+
+    ~wxPluralFormsCalculator() {}
+
+    void  init(wxPluralFormsToken::Number nplurals, wxPluralFormsNode* plural);
+    wxString getString() const;
+    
+private:
+    wxPluralFormsToken::Number m_nplurals;
+    wxPluralFormsNodePtr m_plural;
+};
+
+wxDEFINE_SCOPED_PTR_TYPE(wxPluralFormsCalculator);
+
+void wxPluralFormsCalculator::init(wxPluralFormsToken::Number nplurals,
+                                   wxPluralFormsNode* plural)
+{
+    m_nplurals = nplurals;
+    m_plural.reset(plural);
+}
+
+int wxPluralFormsCalculator::evaluate(int n) const
+{
+    if (m_plural.get() == 0)
+    {
+        return 0;
+    }
+    wxPluralFormsToken::Number number = m_plural->evaluate(n);
+    if (number < 0 || number > m_nplurals)
+    {
+        return 0;
+    }
+    return number;
+}
+
+
+class wxPluralFormsParser
+{
+public:
+    wxPluralFormsParser(wxPluralFormsScanner& scanner) : m_scanner(scanner) {}
+    bool parse(wxPluralFormsCalculator& rCalculator);
+
+private:
+    wxPluralFormsNode* parsePlural();
+    // stops at T_SEMICOLON, returns 0 if error
+    wxPluralFormsScanner& m_scanner;
+    const wxPluralFormsToken& token() const;
+    bool nextToken();
+    
+    wxPluralFormsNode* expression();
+    wxPluralFormsNode* logicalOrExpression();
+    wxPluralFormsNode* logicalAndExpression();
+    wxPluralFormsNode* equalityExpression();
+    wxPluralFormsNode* multiplicativeExpression();
+    wxPluralFormsNode* relationalExpression();
+    wxPluralFormsNode* pmExpression();
+};
+
+bool wxPluralFormsParser::parse(wxPluralFormsCalculator& rCalculator)
+{
+    if (token().type() != wxPluralFormsToken::T_NPLURALS)
+        return false;
+    if (!nextToken())
+        return false;
+    if (token().type() != wxPluralFormsToken::T_ASSIGN)
+        return false;
+    if (!nextToken())
+        return false;
+    if (token().type() != wxPluralFormsToken::T_NUMBER)
+        return false;
+    wxPluralFormsToken::Number nplurals = token().number();
+    if (!nextToken())
+        return false;
+    if (token().type() != wxPluralFormsToken::T_SEMICOLON)
+        return false;
+    if (!nextToken())
+        return false;
+    if (token().type() != wxPluralFormsToken::T_PLURAL)
+        return false;
+    if (!nextToken())
+        return false;
+    if (token().type() != wxPluralFormsToken::T_ASSIGN)
+        return false;
+    if (!nextToken())
+        return false;
+    wxPluralFormsNode* plural = parsePlural();
+    if (plural == 0)
+        return false;
+    if (token().type() != wxPluralFormsToken::T_SEMICOLON)
+        return false;
+    if (!nextToken())
+        return false;
+    if (token().type() != wxPluralFormsToken::T_EOF)
+        return false;
+    rCalculator.init(nplurals, plural);
+    return true;
+}
+
+wxPluralFormsNode* wxPluralFormsParser::parsePlural()
+{
+    wxPluralFormsNode* p = expression();
+    if (p == NULL)
+    {
+        return NULL;
+    }
+    wxPluralFormsNodePtr n(p);
+    if (token().type() != wxPluralFormsToken::T_SEMICOLON)
+    {
+        return NULL;
+    }
+    return n.release();
+}
+
+const wxPluralFormsToken& wxPluralFormsParser::token() const
+{
+    return m_scanner.token();
+}
+
+bool wxPluralFormsParser::nextToken()
+{
+    if (!m_scanner.nextToken())
+        return false;
+    return true;
+}
+
+wxPluralFormsNode* wxPluralFormsParser::expression()
+{
+    wxPluralFormsNode* p = logicalOrExpression();
+    if (p == NULL)
+        return NULL;
+    wxPluralFormsNodePtr n(p);
+    if (token().type() == wxPluralFormsToken::T_QUESTION)
+    {
+        wxPluralFormsNodePtr qn(new wxPluralFormsNode(token()));
+        if (!nextToken())
+        {
+            return 0;
+        }
+        p = expression();
+        if (p == 0)
+        {
+            return 0;
+        }
+        qn->setNode(1, p);
+        if (token().type() != wxPluralFormsToken::T_COLON)
+        {
+            return 0;
+        }
+        if (!nextToken())
+        {
+            return 0;
+        }
+        p = expression();
+        if (p == 0)
+        {
+            return 0;
+        }
+        qn->setNode(2, p);
+        qn->setNode(0, n.release());
+        return qn.release();
+    }
+    return n.release();
+}
+
+wxPluralFormsNode*wxPluralFormsParser::logicalOrExpression()
+{
+    wxPluralFormsNode* p = logicalAndExpression();
+    if (p == NULL)
+        return NULL;
+    wxPluralFormsNodePtr ln(p);
+    if (token().type() == wxPluralFormsToken::T_LOGICAL_OR)
+    {
+        wxPluralFormsNodePtr un(new wxPluralFormsNode(token()));
+        if (!nextToken())
+        {
+            return 0;
+        }
+        p = logicalOrExpression();
+        if (p == 0)
+        {
+            return 0;
+        }
+        wxPluralFormsNodePtr rn(p);    // right
+        if (rn->token().type() == wxPluralFormsToken::T_LOGICAL_OR)
+        {
+            // see logicalAndExpression comment
+            un->setNode(0, ln.release());
+            un->setNode(1, rn->releaseNode(0));
+            rn->setNode(0, un.release());
+            return rn.release();
+        }
+
+
+        un->setNode(0, ln.release());
+        un->setNode(1, rn.release());
+        return un.release();
+    }
+    return ln.release();
+}
+
+wxPluralFormsNode* wxPluralFormsParser::logicalAndExpression()
+{
+    wxPluralFormsNode* p = equalityExpression();
+    if (p == NULL)
+        return NULL;
+    wxPluralFormsNodePtr ln(p);   // left
+    if (token().type() == wxPluralFormsToken::T_LOGICAL_AND)
+    {
+        wxPluralFormsNodePtr un(new wxPluralFormsNode(token()));  // up
+        if (!nextToken())
+        {
+            return NULL;
+        }
+        p = logicalAndExpression();
+        if (p == 0)
+        {
+            return NULL;
+        }
+        wxPluralFormsNodePtr rn(p);    // right
+        if (rn->token().type() == wxPluralFormsToken::T_LOGICAL_AND)
+        {
+// transform 1 && (2 && 3) -> (1 && 2) && 3
+//     u                  r
+// l       r     ->   u      3
+//       2   3      l   2
+            un->setNode(0, ln.release());
+            un->setNode(1, rn->releaseNode(0));
+            rn->setNode(0, un.release());
+            return rn.release();
+        }
+
+        un->setNode(0, ln.release());
+        un->setNode(1, rn.release());
+        return un.release();
+    }
+    return ln.release();
+}
+
+wxPluralFormsNode* wxPluralFormsParser::equalityExpression()
+{
+    wxPluralFormsNode* p = relationalExpression();
+    if (p == NULL)
+        return NULL;
+    wxPluralFormsNodePtr n(p);
+    if (token().type() == wxPluralFormsToken::T_EQUAL
+        || token().type() == wxPluralFormsToken::T_NOT_EQUAL)
+    {
+        wxPluralFormsNodePtr qn(new wxPluralFormsNode(token()));
+        if (!nextToken())
+        {
+            return NULL;
+        }
+        p = relationalExpression();
+        if (p == NULL)
+        {
+            return NULL;
+        }
+        qn->setNode(1, p);
+        qn->setNode(0, n.release());
+        return qn.release();
+    }
+    return n.release();
+}
+
+wxPluralFormsNode* wxPluralFormsParser::relationalExpression()
+{
+    wxPluralFormsNode* p = multiplicativeExpression();
+    if (p == NULL)
+        return NULL;
+    wxPluralFormsNodePtr n(p);
+    if (token().type() == wxPluralFormsToken::T_GREATER
+            || token().type() == wxPluralFormsToken::T_LESS
+            || token().type() == wxPluralFormsToken::T_GREATER_OR_EQUAL
+            || token().type() == wxPluralFormsToken::T_LESS_OR_EQUAL)
+    {
+        wxPluralFormsNodePtr qn(new wxPluralFormsNode(token()));
+        if (!nextToken())
+        {
+            return NULL;
+        }
+        p = multiplicativeExpression();
+        if (p == NULL)
+        {
+            return NULL;
+        }
+        qn->setNode(1, p);
+        qn->setNode(0, n.release());
+        return qn.release();
+    }
+    return n.release();
+}
+
+wxPluralFormsNode* wxPluralFormsParser::multiplicativeExpression()
+{
+    wxPluralFormsNode* p = pmExpression();
+    if (p == NULL)
+        return NULL;
+    wxPluralFormsNodePtr n(p);
+    if (token().type() == wxPluralFormsToken::T_REMINDER)
+    {
+        wxPluralFormsNodePtr qn(new wxPluralFormsNode(token()));
+        if (!nextToken())
+        {
+            return NULL;
+        }
+        p = pmExpression();
+        if (p == NULL)
+        {
+            return NULL;
+        }
+        qn->setNode(1, p);
+        qn->setNode(0, n.release());
+        return qn.release();
+    }
+    return n.release();
+}
+
+wxPluralFormsNode* wxPluralFormsParser::pmExpression()
+{
+    wxPluralFormsNodePtr n;
+    if (token().type() == wxPluralFormsToken::T_N
+        || token().type() == wxPluralFormsToken::T_NUMBER)
+    {
+        n.reset(new wxPluralFormsNode(token()));
+        if (!nextToken())
+        {
+            return NULL;
+        }
+    }
+    else if (token().type() == wxPluralFormsToken::T_LEFT_BRACKET) {
+        if (!nextToken())
+        {
+            return NULL;
+        }
+        wxPluralFormsNode* p = expression();
+        if (p == NULL)
+        {
+            return NULL;
+        }
+        n.reset(p);
+        if (token().type() != wxPluralFormsToken::T_RIGHT_BRACKET)
+        {
+            return NULL;
+        }
+        if (!nextToken())
+        {
+            return NULL;
+        }
+    }
+    else
+    {
+        return NULL;
+    }
+    return n.release();
+}
+
+wxPluralFormsCalculator* wxPluralFormsCalculator::make(const char* s)
+{
+    wxPluralFormsCalculatorPtr calculator(new wxPluralFormsCalculator);
+    if (s != NULL)
+    {
+        wxPluralFormsScanner scanner(s);
+        wxPluralFormsParser p(scanner);
+        if (!p.parse(*calculator))
+        {
+            return NULL;
+        }
+    }
+    return calculator.release();
+}
+
+
+
+
+// ----------------------------------------------------------------------------
+// wxMsgCatalogFile corresponds to one disk-file message catalog.
+//
+// This is a "low-level" class and is used only by wxMsgCatalog
+// ----------------------------------------------------------------------------
+
+WX_DECLARE_EXPORTED_STRING_HASH_MAP(wxString, wxMessagesHash);
+
+class wxMsgCatalogFile
+{
+public:
+    // ctor & dtor
+    wxMsgCatalogFile();
+   ~wxMsgCatalogFile();
+
+    // load the catalog from disk (szDirPrefix corresponds to language)
+    bool Load(const wxChar *szDirPrefix, const wxChar *szName,
+              wxPluralFormsCalculatorPtr& rPluralFormsCalculator);
+
+    // fills the hash with string-translation pairs
+    void FillHash(wxMessagesHash& hash, bool convertEncoding) const;
+
+private:
+    // this implementation is binary compatible with GNU gettext() version 0.10
+
+    // an entry in the string table
+    struct wxMsgTableEntry
+    {
+      size_t32   nLen;           // length of the string
+      size_t32   ofsString;      // pointer to the string
+    };
+
+    // header of a .mo file
+    struct wxMsgCatalogHeader
+    {
+      size_t32  magic,          // offset +00:  magic id
+                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
+      size_t32  nHashSize,      //        +14:  hash table size
+                ofsHashTable;   //        +18:  offset of hash table start
+    };
+
+    // all data is stored here, NULL if no data loaded
+    size_t8 *m_pData;
+
+    // amount of memory pointed to by m_pData.
+    size_t32 m_nSize;
+
+    // data description
+    size_t32          m_numStrings;   // number of strings in this domain
+    wxMsgTableEntry  *m_pOrigTable,   // pointer to original   strings
+                     *m_pTransTable;  //            translated
+
+    wxString m_charset;
+                     
+    // swap the 2 halves of 32 bit integer if needed
+    size_t32 Swap(size_t32 ui) const
+    {
+          return m_bSwapped ? (ui << 24) | ((ui & 0xff00) << 8) |
+                              ((ui >> 8) & 0xff00) | (ui >> 24)
+                            : ui;
+    }
+
+    const char *StringAtOfs(wxMsgTableEntry *pTable, size_t32 n) const
+    {
+        const wxMsgTableEntry * const ent = pTable + n;
+
+        // this check could fail for a corrupt message catalog
+        size_t32 ofsString = Swap(ent->ofsString);
+        if ( ofsString + Swap(ent->nLen) > m_nSize)
+        {
+            return NULL;
+        }
+
+        return (const char *)(m_pData + ofsString);
+    }    
+
+    bool m_bSwapped;   // wrong endianness?
+
+    DECLARE_NO_COPY_CLASS(wxMsgCatalogFile)
+};
+
+
 // ----------------------------------------------------------------------------
-// wxMsgCatalog corresponds to one disk-file message catalog.
+// wxMsgCatalog corresponds to one loaded message catalog.
 //
 // This is a "low-level" class and is used only by wxLocale (that's why
 // it's designed to be stored in a linked list)
@@ -178,74 +962,22 @@ static inline wxString ExtractNotLang(const wxString& langFull)
 class wxMsgCatalog
 {
 public:
-  // ctor & dtor
-  wxMsgCatalog();
- ~wxMsgCatalog();
+    // load the catalog from disk (szDirPrefix corresponds to language)
+    bool Load(const wxChar *szDirPrefix, const wxChar *szName, bool bConvertEncoding = FALSE);
 
-  // load the catalog from disk (szDirPrefix corresponds to language)
-  bool Load(const wxChar *szDirPrefix, const wxChar *szName, bool bConvertEncoding = FALSE);
-  bool IsLoaded() const { return m_pData != NULL; }
+    // get name of the catalog
+    wxString GetName() const { return m_name; }
 
-  // get name of the catalog
-  const wxChar *GetName() const { return m_pszName; }
+    // get the translated string: returns NULL if not found
+    const wxChar *GetString(const wxChar *sz, size_t n = size_t(-1)) const;
 
-  // 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;
+    // 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
-
-  // an entry in the string table
-  struct wxMsgTableEntry
-  {
-    size_t32   nLen;           // length of the string
-    size_t32   ofsString;      // pointer to the string
-  };
-
-  // header of a .mo file
-  struct wxMsgCatalogHeader
-  {
-    size_t32  magic,          // offset +00:  magic id
-              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
-    size_t32  nHashSize,      //        +14:  hash table size
-              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
-                    m_nHashSize;    // number of entries in 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 size_t32 GetHash(const char *sz);
-    // big<->little endian
-  inline size_t32 Swap(size_t32 ui) const;
-
-  // internal state
-  bool HasHashTable() const // true if hash table is present
-    { return m_nHashSize > 2 && m_pHashTable != NULL; }
-
-  bool          m_bSwapped;   // wrong endianness?
-
-  wxChar       *m_pszName;    // name of the domain
+    wxMessagesHash  m_messages; // all messages in the catalog
+    wxString        m_name;     // name of the domain
+    wxPluralFormsCalculatorPtr  m_pluralFormsCalculator;
 };
 
 // ----------------------------------------------------------------------------
@@ -260,48 +992,18 @@ static wxArrayString s_searchPrefixes;
 // ============================================================================
 
 // ----------------------------------------------------------------------------
-// wxMsgCatalog class
+// wxMsgCatalogFile class
 // ----------------------------------------------------------------------------
 
-// calculate hash value using the so called hashpjw function by P.J. Weinberger
-// [see Aho/Sethi/Ullman, COMPILERS: Principles, Techniques and Tools]
-size_t32 wxMsgCatalog::GetHash(const char *sz)
-{
-  #define HASHWORDBITS 32     // the length of size_t32
-
-  size_t32 hval = 0;
-  size_t32 g;
-  while ( *sz != '\0' ) {
-    hval <<= 4;
-    hval += (size_t32)*sz++;
-    g = hval & ((size_t32)0xf << (HASHWORDBITS - 4));
-    if ( g != 0 ) {
-      hval ^= g >> (HASHWORDBITS - 8);
-      hval ^= g;
-    }
-  }
-
-  return hval;
-}
-
-// 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) |
-                      ((ui >> 8) & 0xff00) | (ui >> 24)
-                    : ui;
-}
-
-wxMsgCatalog::wxMsgCatalog()
+wxMsgCatalogFile::wxMsgCatalogFile()
 {
-  m_pData   = NULL;
-  m_pszName = NULL;
+    m_pData = NULL;
+    m_nSize = 0;
 }
 
-wxMsgCatalog::~wxMsgCatalog()
+wxMsgCatalogFile::~wxMsgCatalogFile()
 {
-  wxDELETEA(m_pData);
-  wxDELETEA(m_pszName);
+    wxDELETEA(m_pData);
 }
 
 // return all directories to search for given prefix
@@ -335,25 +1037,39 @@ static wxString GetFullSearchPath(const wxChar *lang)
 
     // LC_PATH is a standard env var containing the search path for the .mo
     // files
+#ifndef __WXWINCE__
     const wxChar *pszLcPath = wxGetenv(wxT("LC_PATH"));
     if ( pszLcPath != NULL )
         searchPath << GetAllMsgCatalogSubdirs(pszLcPath, lang);
+#endif
 
-    // then take the current directory
-    // FIXME it should be the directory of the executable
-    searchPath << GetAllMsgCatalogSubdirs(wxT("."), lang);
-
-    // and finally add some standard ones
+#ifdef __UNIX__
+    // add some standard ones and the one in the tree where wxWin was installed:
     searchPath
+        << GetAllMsgCatalogSubdirs(wxString(wxGetInstallPrefix()) + wxT("/share/locale"), lang)
         << GetAllMsgCatalogSubdirs(wxT("/usr/share/locale"), lang)
         << GetAllMsgCatalogSubdirs(wxT("/usr/lib/locale"), lang)
         << GetAllMsgCatalogSubdirs(wxT("/usr/local/share/locale"), lang);
+#endif // __UNIX__
+
+    // then take the current directory
+    // FIXME it should be the directory of the executable
+#ifdef __WXMAC__
+    wxChar cwd[512] ;
+    wxGetWorkingDirectory( cwd , sizeof( cwd ) ) ;
+    searchPath << GetAllMsgCatalogSubdirs(cwd, lang);
+    // generic search paths could be somewhere in the system folder preferences
+#else // !Mac
+    searchPath << GetAllMsgCatalogSubdirs(wxT("."), lang);
+
+#endif // platform
 
     return searchPath;
 }
 
 // open disk file and read in it's contents
-bool wxMsgCatalog::Load(const wxChar *szDirPrefix, const wxChar *szName0, bool bConvertEncoding)
+bool wxMsgCatalogFile::Load(const wxChar *szDirPrefix, const wxChar *szName0,
+                            wxPluralFormsCalculatorPtr& rPluralFormsCalculator)
 {
    /* We need to handle locales like  de_AT.iso-8859-1
       For this we first chop off the .CHARSET specifier and ignore it.
@@ -439,116 +1155,201 @@ bool wxMsgCatalog::Load(const wxChar *szDirPrefix, const wxChar *szName0, bool b
                    Swap(pHeader->ofsOrigTable));
   m_pTransTable = (wxMsgTableEntry *)(m_pData +
                    Swap(pHeader->ofsTransTable));
+  m_nSize = nSize;
+    
+  // now parse catalog's header and try to extract catalog charset and
+  // plural forms formula from it:
+
+  const char* headerData = StringAtOfs(m_pOrigTable, 0);
+  if (headerData && headerData[0] == 0)
+  {
+      // Extract the charset:
+      wxString header = wxString::FromAscii(StringAtOfs(m_pTransTable, 0));
+      int begin = header.Find(wxT("Content-Type: text/plain; charset="));
+      if (begin != wxNOT_FOUND)
+      {
+          begin += 34; //strlen("Content-Type: text/plain; charset=")
+          size_t end = header.find('\n', begin);
+          if (end != size_t(-1))
+          {
+              m_charset.assign(header, begin, end - begin);
+              if (m_charset == wxT("CHARSET"))
+              {
+                  // "CHARSET" is not valid charset, but lazy translator
+                  m_charset.Clear();
+              }
+          }
+      }
+      // else: incorrectly filled Content-Type header
+      
+      // Extract plural forms:
+      begin = header.Find(wxT("Plural-Forms:"));
+      if (begin != wxNOT_FOUND)
+      {
+          begin += 13;
+          size_t end = header.find('\n', begin);
+          if (end != size_t(-1))
+          {
+              wxString pfs(header, begin, end - begin);
+              wxPluralFormsCalculator* pCalculator = wxPluralFormsCalculator
+                  ::make(pfs.ToAscii());
+              if (pCalculator != 0)
+              {
+                  rPluralFormsCalculator.reset(pCalculator);
+              }
+              else
+              {
+                   wxLogVerbose(_("Cannot parse Plural-Forms:'%s'"),
+                          pfs.c_str());
+              }
+          }
+      }
+      if (rPluralFormsCalculator.get() == NULL)
+      {
+          rPluralFormsCalculator.reset(wxPluralFormsCalculator::make());
+      }
+  }
+
+  // everything is fine
+  return true;
+}
+
+void wxMsgCatalogFile::FillHash(wxMessagesHash& hash, bool convertEncoding) const
+{
+#if wxUSE_WCHAR_T
+    wxCSConv *csConv = NULL;
+    if ( !!m_charset )
+        csConv = new wxCSConv(m_charset);
+
+    wxMBConv& inputConv = csConv ? *((wxMBConv*)csConv) : *wxConvCurrent;
+#elif wxUSE_FONTMAP
+    wxEncodingConverter converter;
+    if ( convertEncoding )
+    {
+        wxFontEncoding targetEnc = wxFONTENCODING_SYSTEM;
+        wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(m_charset, FALSE);
+        if ( enc == wxFONTENCODING_SYSTEM )
+        {
+            convertEncoding = FALSE; // unknown encoding
+        }
+        else
+        {
+            targetEnc = wxLocale::GetSystemEncoding();
+            if (targetEnc == wxFONTENCODING_SYSTEM)
+            {
+                wxFontEncodingArray a = wxEncodingConverter::GetPlatformEquivalents(enc);
+                if (a[0] == enc)
+                    // no conversion needed, locale uses native encoding
+                    convertEncoding = FALSE;
+                if (a.GetCount() == 0)
+                    // we don't know common equiv. under this platform
+                    convertEncoding = FALSE;
+                targetEnc = a[0];
+            }
+        }
 
-  m_nHashSize   = Swap(pHeader->nHashSize);
-  m_pHashTable  = (size_t32 *)(m_pData + Swap(pHeader->ofsHashTable));
+        if ( convertEncoding )
+        {
+            converter.Init(enc, targetEnc);
+        }
+    }
+#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T
+    (void)convertEncoding; // get rid of warnings about unused parameter
 
-  m_pszName = new wxChar[wxStrlen(szName) + 1];
-  wxStrcpy(m_pszName, szName);
+    for (size_t i = 0; i < m_numStrings; i++)
+    {
+        const char *data = StringAtOfs(m_pOrigTable, i);
+#if wxUSE_WCHAR_T
+        wxString msgid(data, inputConv);
+#else
+        wxString msgid(data);
+#endif
 
-  if (bConvertEncoding)
-      ConvertEncoding();
+        data = StringAtOfs(m_pTransTable, i);
+        size_t length = Swap(m_pTransTable[i].nLen);
+        size_t offset = 0;
+        size_t index = 0;
+        while (offset < length)
+        {
+            wxString msgstr;
+#if wxUSE_WCHAR_T
+        #if wxUSE_UNICODE
+            msgstr = wxString(data + offset, inputConv);
+        #else
+            if ( convertEncoding )
+                msgstr = wxString(inputConv.cMB2WC(data + offset), wxConvLocal);
+            else
+                msgstr = wxString(data + offset);
+        #endif
+#else // !wxUSE_WCHAR_T
+        #if wxUSE_FONTMAP
+            if ( convertEncoding )
+                msgstr = wxString(converter.Convert(data + offset));
+            else
+        #endif
+                msgstr = wxString(data + offset);
+#endif // wxUSE_WCHAR_T/!wxUSE_WCHAR_T
 
-  // everything is fine
-  return TRUE;
-}
+            if ( !msgstr.empty() )
+            {
+                hash[index == 0 ? msgid : msgid + wxChar(index)] = msgstr;
+            }
+            offset += strlen(data + offset) + 1;
+            ++index;
+        }
+    }
 
-// search for a string
-const char *wxMsgCatalog::GetString(const char *szOrig) const
-{
-  if ( szOrig == NULL )
-    return NULL;
+#if wxUSE_WCHAR_T
+    delete csConv;
+#endif
+}
 
-  if ( HasHashTable() ) {   // use hash table for lookup if possible
-    size_t32 nHashVal = GetHash(szOrig);
-    size_t32 nIndex   = nHashVal % m_nHashSize;
 
-    size_t32 nIncr = 1 + (nHashVal % (m_nHashSize - 2));
+// ----------------------------------------------------------------------------
+// wxMsgCatalog class
+// ----------------------------------------------------------------------------
 
-    for ( ;; ) {
-      size_t32 nStr = Swap(m_pHashTable[nIndex]);
-      if ( nStr == 0 )
-        return NULL;
+bool wxMsgCatalog::Load(const wxChar *szDirPrefix, const wxChar *szName,
+                        bool bConvertEncoding)
+{
+    wxMsgCatalogFile file;
 
-      if ( strcmp(szOrig, StringAtOfs(m_pOrigTable, nStr - 1)) == 0 ) {
-        // work around for BC++ 5.5 bug: without a temp var, the optimizer
-        // breaks the code and the return value is incorrect
-        const char *tmp = StringAtOfs(m_pTransTable, nStr - 1);
-        return tmp;
-      }
+    m_name = szName;
 
-      if ( nIndex >= m_nHashSize - nIncr)
-        nIndex -= m_nHashSize - nIncr;
-      else
-        nIndex += nIncr;
-    }
-  }
-  else {                    // no hash table: use default binary search
-    size_t32 bottom = 0,
-           top    = m_numStrings,
-           current;
-    while ( bottom < top ) {
-      current = (bottom + top) / 2;
-      int res = strcmp(szOrig, StringAtOfs(m_pOrigTable, current));
-      if ( res < 0 )
-        top = current;
-      else if ( res > 0 )
-        bottom = current + 1;
-      else {   // found!
-        // work around the same BC++ 5.5 bug as above
-        const char *tmp = StringAtOfs(m_pTransTable, current);
-        return tmp;
-      }
+    if ( file.Load(szDirPrefix, szName, m_pluralFormsCalculator) )
+    {
+        file.FillHash(m_messages, bConvertEncoding);
+        return TRUE;
     }
-  }
 
-  // not found
-  return NULL;
+    return FALSE;
 }
 
-void wxMsgCatalog::ConvertEncoding()
+const wxChar *wxMsgCatalog::GetString(const wxChar *sz, size_t n) const
 {
-    // first, find encoding header:
-    const char *hdr = StringAtOfs(m_pOrigTable, 0);
-    if ( hdr == NULL || hdr[0] != 0 ) {
-        // not supported by this catalog, does not have correct header
-        return;
+    int index = 0;
+    if (n != size_t(-1))
+    {
+        index = m_pluralFormsCalculator->evaluate(n);
     }
-
-    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++];
-
-#if wxUSE_FONTMAP
-    wxFontEncoding enc = wxTheFontMapper->CharsetToEncoding(charset, FALSE);
-    if ( enc == wxFONTENCODING_SYSTEM )
-        return; // unknown encoding
-
-    wxFontEncoding targetEnc = wxLocale::GetSystemEncoding();
-    if (targetEnc == wxFONTENCODING_SYSTEM)
+    wxMessagesHash::const_iterator i;
+    if (index != 0)
     {
-        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
-        targetEnc = a[0];
+        i = m_messages.find(wxString(sz) + wxChar(index));   // plural
+    }
+    else
+    {
+        i = m_messages.find(sz);
     }
 
-    wxEncodingConverter converter;
-    converter.Init(enc, targetEnc);
-
-    for (size_t i = 0; i < m_numStrings; i++)
-        converter.Convert((char*)StringAtOfs(m_pTransTable, i));
-#endif // wxUSE_FONTMAP
+    if ( i != m_messages.end() )
+    {
+        return i->second.c_str();
+    }
+    else
+        return NULL;
 }
 
-
 // ----------------------------------------------------------------------------
 // wxLocale
 // ----------------------------------------------------------------------------
@@ -575,11 +1376,12 @@ wxLanguageInfoArray *wxLocale::ms_languagesDB = NULL;
 }
 
 
-wxLocale::wxLocale()
+void wxLocale::DoCommonInit()
 {
   m_pszOldLocale = NULL;
   m_pMsgCat = NULL;
   m_language = wxLANGUAGE_UNKNOWN;
+  m_initialized = false;
 }
 
 // NB: this function has (desired) side effect of changing current locale
@@ -589,6 +1391,10 @@ bool wxLocale::Init(const wxChar *szName,
                     bool        bLoadDefault,
                     bool        bConvertEncoding)
 {
+  wxASSERT_MSG( !m_initialized,
+                _T("you can't call wxLocale::Init more than once") );
+  
+  m_initialized = true;
   m_strLocale = szName;
   m_strShort = szShort;
   m_bConvertEncoding = bConvertEncoding;
@@ -599,8 +1405,32 @@ bool wxLocale::Init(const wxChar *szName,
   {
     // the argument to setlocale()
     szLocale = szShort;
+
+    wxCHECK_MSG( szLocale, FALSE, _T("no locale to set in wxLocale::Init()") );
+  }
+
+#ifdef __WXWINCE__
+  // FIXME: I'm guessing here
+  wxChar localeName[256];
+  int ret = GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SLANGUAGE, localeName,
+      256);
+  if (ret != 0)
+  {
+    m_pszOldLocale = wxStrdup(localeName);      
   }
-  m_pszOldLocale = wxSetlocale(LC_ALL, szLocale);
+  else
+    m_pszOldLocale = NULL;
+
+  // TODO: how to find languageId
+  // SetLocaleInfo(languageId, SORT_DEFAULT, localeName);
+#else
+  wxMB2WXbuf oldLocale = wxSetlocale(LC_ALL, szLocale);
+  if ( oldLocale )
+      m_pszOldLocale = wxStrdup(oldLocale);
+  else
+      m_pszOldLocale = NULL;
+#endif
+
   if ( m_pszOldLocale == NULL )
     wxLogError(_("locale '%s' can not be set."), szLocale);
 
@@ -609,7 +1439,12 @@ bool wxLocale::Init(const wxChar *szName,
   if ( m_strShort.IsEmpty() ) {
     // 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]);
+    if ( szLocale && szLocale[0] )
+    {
+        m_strShort += (wxChar)wxTolower(szLocale[0]);
+        if ( szLocale[1] )
+            m_strShort += (wxChar)wxTolower(szLocale[1]);
+    }
   }
 
   // save the old locale to be able to restore it later
@@ -624,13 +1459,42 @@ bool wxLocale::Init(const wxChar *szName,
   return bOk;
 }
 
+
+#if defined(__UNIX__) && wxUSE_UNICODE
+static wxWCharBuffer wxSetlocaleTryUTF(int c, const wxChar *lc)
+{
+    wxMB2WXbuf l = wxSetlocale(c, lc);
+    if ( !l && lc && lc[0] != 0 )
+    {
+       wxString buf(lc);
+        wxString buf2;
+       buf2 = buf + wxT(".UTF-8");
+       l = wxSetlocale(c, buf2.c_str());
+        if ( !l )
+        {
+            buf2 = buf + wxT(".utf-8");
+           l = wxSetlocale(c, buf2.c_str());
+        }
+        if ( !l )
+        {
+            buf2 = buf + wxT(".UTF8");
+           l = wxSetlocale(c, buf2.c_str());
+        }
+        if ( !l )
+        {
+            buf2 = buf + wxT(".utf8");
+           l = wxSetlocale(c, buf2.c_str());
+        }
+    }
+    return l;
+}
+#else
+#define wxSetlocaleTryUTF(c, lc)  wxSetlocale(c, lc)
+#endif
+
 bool wxLocale::Init(int language, int flags)
 {
-    wxLanguageInfo *info = NULL;
     int lang = language;
-
-    CreateLanguagesDB();
-
     if (lang == wxLANGUAGE_DEFAULT)
     {
         // auto detect the language
@@ -643,17 +1507,7 @@ bool wxLocale::Init(int language, int flags)
        return FALSE;
     }
 
-    if (lang != wxLANGUAGE_DEFAULT)
-    {
-        for (size_t i = 0; i < ms_languagesDB->GetCount(); i++)
-        {
-            if (ms_languagesDB->Item(i).Language == lang)
-            {
-                info = &ms_languagesDB->Item(i);
-                break;
-            }
-        }
-    }
+    const wxLanguageInfo *info = GetLanguageInfo(lang);
 
     // Unknown language:
     if (info == NULL)
@@ -665,98 +1519,165 @@ bool wxLocale::Init(int language, int flags)
     wxString name = info->Description;
     wxString canonical = info->CanonicalName;
     wxString locale;
-    wxChar *retloc;
 
     // Set the locale:
-#ifdef __UNIX__
+#if defined(__UNIX__) && !defined(__WXMAC__)
     if (language == wxLANGUAGE_DEFAULT)
         locale = wxEmptyString;
     else
         locale = info->CanonicalName;
 
-    retloc = wxSetlocale(LC_ALL, locale);
+    wxMB2WXbuf retloc = wxSetlocaleTryUTF(LC_ALL, locale);
 
-    if (retloc == NULL)
+    if ( !retloc )
     {
         // Some C libraries don't like xx_YY form and require xx only
-        retloc = wxSetlocale(LC_ALL, locale.Mid(0,2));
+        retloc = wxSetlocaleTryUTF(LC_ALL, locale.Mid(0,2));
     }
-    if (retloc == NULL)
+    if ( !retloc )
     {
         // Some C libraries (namely glibc) still use old ISO 639,
         // so will translate the abbrev for them
         wxString mid = locale.Mid(0,2);
-        if (mid == wxT("he")) locale = wxT("iw") + locale.Mid(3);
-        else if (mid == wxT("id")) locale = wxT("in") + locale.Mid(3);
-        else if (mid == wxT("yi")) locale = wxT("ji") + locale.Mid(3);
-        retloc = wxSetlocale(LC_ALL, locale);
+        if (mid == wxT("he"))
+            locale = wxT("iw") + locale.Mid(3);
+        else if (mid == wxT("id"))
+            locale = wxT("in") + locale.Mid(3);
+        else if (mid == wxT("yi"))
+            locale = wxT("ji") + locale.Mid(3);
+        else if (mid == wxT("nb"))
+            locale = wxT("no_NO");
+        else if (mid == wxT("nn"))
+            locale = wxT("no_NY");
+
+        retloc = wxSetlocaleTryUTF(LC_ALL, locale);
     }
-    if (retloc == NULL)
+    if ( !retloc )
     {
         // (This time, we changed locale in previous if-branch, so try again.)
         // Some C libraries don't like xx_YY form and require xx only
-        retloc = wxSetlocale(LC_ALL, locale.Mid(0,2));
+        retloc = wxSetlocaleTryUTF(LC_ALL, locale.Mid(0,2));
     }
-    if (retloc == NULL)
+    if ( !retloc )
     {
         wxLogError(wxT("Cannot set locale to '%s'."), locale.c_str());
         return FALSE;
     }
 #elif defined(__WIN32__)
+
+    #if wxUSE_UNICODE && (defined(__VISUALC__) || defined(__MINGW32__))
+        // NB: setlocale() from msvcrt.dll (used by VC++ and Mingw)
+        //     can't set locale to language that can only be written using
+        //     Unicode.  Therefore wxSetlocale call failed, but we don't want
+        //     to report it as an error -- so that at least message catalogs
+        //     can be used. Watch for code marked with
+        //     #ifdef SETLOCALE_FAILS_ON_UNICODE_LANGS bellow.
+        #define SETLOCALE_FAILS_ON_UNICODE_LANGS
+    #endif
+    
+    wxMB2WXbuf retloc = wxT("C");
     if (language != wxLANGUAGE_DEFAULT)
     {
         if (info->WinLang == 0)
         {
             wxLogWarning(wxT("Locale '%s' not supported by OS."), name.c_str());
-            retloc = wxT("C");
+            // retloc already set to "C"
         }
         else
         {
+            int codepage 
+                         #ifdef SETLOCALE_FAILS_ON_UNICODE_LANGS
+                         = -1
+                         #endif
+                         ;
             wxUint32 lcid = MAKELCID(MAKELANGID(info->WinLang, info->WinSublang),
                                      SORT_DEFAULT);
-            if (SetThreadLocale(lcid))
-                retloc = wxSetlocale(LC_ALL, wxEmptyString);
+            // FIXME
+#ifndef __WXWINCE__
+            SetThreadLocale(lcid);
+#endif
+            // NB: we must translate LCID to CRT's setlocale string ourselves,
+            //     because SetThreadLocale does not modify change the
+            //     interpretation of setlocale(LC_ALL, "") call:
+            wxChar buffer[256];
+            buffer[0] = wxT('\0');
+            GetLocaleInfo(lcid, LOCALE_SENGLANGUAGE, buffer, 256);
+            locale << buffer;
+            if (GetLocaleInfo(lcid, LOCALE_SENGCOUNTRY, buffer, 256) > 0)
+                locale << wxT("_") << buffer;
+            if (GetLocaleInfo(lcid, LOCALE_IDEFAULTANSICODEPAGE, buffer, 256) > 0)
+            {
+                codepage = wxAtoi(buffer);
+                if (codepage != 0)
+                    locale << wxT(".") << buffer;
+            }
+            if (locale.IsEmpty())
+            {
+                wxLogLastError(wxT("SetThreadLocale"));
+                wxLogError(wxT("Cannot set locale to language %s."), name.c_str());
+                return FALSE;
+            }
             else
             {
-                // Windows9X doesn't support SetThreadLocale, so we must
-                // translate LCID to CRT's setlocale string ourselves
-                locale.Empty();
-                if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
-                {
-                    wxChar buffer[256];
-                    buffer[0] = wxT('\0');
-                    GetLocaleInfo(lcid, LOCALE_SENGLANGUAGE, buffer, 256);
-                    locale << buffer;
-                    if (GetLocaleInfo(lcid, LOCALE_SENGCOUNTRY, buffer, 256) > 0)
-                        locale << wxT("_") << buffer;
-                }
-                if (locale.IsEmpty())
+            // FIXME
+#ifndef __WXWINCE__
+                retloc = wxSetlocale(LC_ALL, locale);
+#endif
+#ifdef SETLOCALE_FAILS_ON_UNICODE_LANGS
+                if (codepage == 0 && (const wxChar*)retloc == NULL)
                 {
-                    wxLogLastError(wxT("SetThreadLocale"));
-                    wxLogError(wxT("Cannot set locale to language %s."), name.c_str());
-                    return FALSE;
+                    retloc = wxT("C");
                 }
-                else
-                    retloc = wxSetlocale(LC_ALL, locale);
+#endif
             }
         }
     }
     else
+    {
+            // FIXME
+#ifndef __WXWINCE__
         retloc = wxSetlocale(LC_ALL, wxEmptyString);
+#else
+        retloc = NULL;
+#endif
+#ifdef SETLOCALE_FAILS_ON_UNICODE_LANGS
+        if ((const wxChar*)retloc == NULL)
+        {
+            wxChar buffer[16];
+            if (GetLocaleInfo(LOCALE_USER_DEFAULT,
+                              LOCALE_IDEFAULTANSICODEPAGE, buffer, 16) > 0 &&
+                 wxStrcmp(buffer, wxT("0")) == 0)
+            {
+                retloc = wxT("C");
+            }
+        }
+#endif
+    }
 
-    if (retloc == NULL)
+    if ( !retloc )
     {
         wxLogError(wxT("Cannot set locale to language %s."), name.c_str());
         return FALSE;
     }
-
+#elif defined(__WXMAC__) || defined(__WXPM__)
+    wxMB2WXbuf retloc = wxSetlocale(LC_ALL , wxEmptyString);
 #else
     return FALSE;
+    #define WX_NO_LOCALE_SUPPORT
 #endif
 
-    return Init(name, canonical, wxString(retloc),
-                (flags & wxLOCALE_LOAD_DEFAULT) != 0,
-                (flags & wxLOCALE_CONV_ENCODING) != 0);
+#ifndef WX_NO_LOCALE_SUPPORT
+    wxChar *szLocale = retloc ? wxStrdup(retloc) : NULL;
+    bool ret = Init(name, canonical, retloc,
+                    (flags & wxLOCALE_LOAD_DEFAULT) != 0,
+                    (flags & wxLOCALE_CONV_ENCODING) != 0);
+    free(szLocale);
+
+    if (IsOk()) // setlocale() succeeded
+        m_language = lang;
+
+    return ret;
+#endif
 }
 
 
@@ -778,7 +1699,7 @@ void wxLocale::AddCatalogLookupPathPrefix(const wxString& prefix)
     size_t i = 0,
            count = ms_languagesDB->GetCount();
 
-#if defined(__UNIX__)
+#if defined(__UNIX__) && !defined(__WXMAC__)
     // first get the string identifying the language from the environment
     wxString langFull;
     if (!wxGetEnv(wxT("LC_ALL"), &langFull) &&
@@ -789,7 +1710,7 @@ void wxLocale::AddCatalogLookupPathPrefix(const wxString& prefix)
         return wxLANGUAGE_ENGLISH;
     }
 
-    if ( langFull == _T("C") )
+    if ( langFull == _T("C") || langFull == _T("POSIX") )
     {
         // default C locale
         return wxLANGUAGE_ENGLISH;
@@ -797,18 +1718,31 @@ void wxLocale::AddCatalogLookupPathPrefix(const wxString& prefix)
 
     // the language string has the following form
     //
-    //      lang[_LANG[.encoding]]
+    //      lang[_LANG][.encoding][@modifier]
     //
-    // where lang is the primary language, LANG is a sublang
+    // (see environ(5) in the Open Unix specification)
+    //
+    // where lang is the primary language, LANG is a sublang/territory,
+    // encoding is the charset to use and modifier "allows the user to select
+    // a specific instance of localization data within a single category"
     //
     // for example, the following strings are valid:
     //      fr
     //      fr_FR
     //      de_DE.iso88591
+    //      de_DE@euro
+    //      de_DE.iso88591@euro
 
     // for now we don't use the encoding, although we probably should (doing
     // translations of the msg catalogs on the fly as required) (TODO)
-    langFull = langFull.BeforeFirst(_T('.'));
+    //
+    // we don't use the modifiers neither but we probably should translate
+    // "euro" into iso885915
+    size_t posEndLang = langFull.find_first_of(_T("@."));
+    if ( posEndLang != wxString::npos )
+    {
+        langFull.Truncate(posEndLang);
+    }
 
     // in addition to the format above, we also can have full language names
     // in LANG env var - for example, SuSE is known to use LANG="german" - so
@@ -829,10 +1763,16 @@ void wxLocale::AddCatalogLookupPathPrefix(const wxString& prefix)
         wxString lang;
         if ( langOrig == wxT("iw"))
             lang = _T("he");
-        else if ( langOrig == wxT("in") )
+        else if (langOrig == wxT("in"))
             lang = wxT("id");
-        else if ( langOrig == wxT("ji") )
+        else if (langOrig == wxT("ji"))
             lang = wxT("yi");
+        else if (langOrig == wxT("no_NO"))
+            lang = wxT("nb_NO");
+        else if (langOrig == wxT("no_NY"))
+            lang = wxT("nn_NO");
+        else if (langOrig == wxT("no"))
+            lang = wxT("nb_NO");
         else
             lang = langOrig;
 
@@ -887,6 +1827,292 @@ void wxLocale::AddCatalogLookupPathPrefix(const wxString& prefix)
             }
         }
     }
+#elif defined(__WXMAC__)
+    const wxChar * lc = NULL ;
+    long lang = GetScriptVariable( smSystemScript, smScriptLang) ;
+    switch( GetScriptManagerVariable( smRegionCode ) ) {
+      case verUS :
+        lc = wxT("en_US") ;
+        break ;
+      case verFrance :
+        lc = wxT("fr_FR") ;
+        break ;
+      case verBritain :
+        lc = wxT("en_GB") ;
+        break ;
+      case verGermany :
+        lc = wxT("de_DE") ;
+        break ;
+      case verItaly :
+        lc = wxT("it_IT") ;
+        break ;
+      case verNetherlands :
+        lc = wxT("nl_NL") ;
+        break ;
+      case verFlemish :
+        lc = wxT("nl_BE") ;
+        break ;
+      case verSweden :
+        lc = wxT("sv_SE" );
+        break ;
+      case verSpain :
+        lc = wxT("es_ES" );
+        break ;
+      case verDenmark :
+        lc = wxT("da_DK") ;
+        break ;
+      case verPortugal :
+        lc = wxT("pt_PT") ;
+        break ;
+      case verFrCanada:
+        lc = wxT("fr_CA") ;
+        break ;
+      case verNorway:
+        lc = wxT("nb_NO") ;
+        break ;
+      case verIsrael:
+        lc = wxT("iw_IL") ;
+        break ;
+      case verJapan:
+        lc = wxT("ja_JP") ;
+        break ;
+      case verAustralia:
+        lc = wxT("en_AU") ;
+        break ;
+      case verArabic:
+        lc = wxT("ar") ;
+        break ;
+      case verFinland:
+        lc = wxT("fi_FI") ;
+        break ;
+      case verFrSwiss:
+        lc = wxT("fr_CH") ;
+        break ;
+      case verGrSwiss:
+        lc = wxT("de_CH") ;
+        break ;
+      case verGreece:
+        lc = wxT("el_GR") ;
+        break ;
+      case verIceland:
+        lc = wxT("is_IS") ;
+        break ;
+      case verMalta:
+        lc = wxT("mt_MT") ;
+        break ;
+      case verCyprus:
+      // _CY is not part of wx, so we have to translate according to the system language
+        if ( lang == langGreek ) {
+          lc = wxT("el_GR") ;
+        }
+        else if ( lang == langTurkish ) {
+          lc = wxT("tr_TR") ;
+        }
+        break ;
+      case verTurkey:
+        lc = wxT("tr_TR") ;
+        break ;
+      case verYugoCroatian:
+        lc = wxT("hr_HR") ;
+        break ;
+      case verIndiaHindi:
+        lc = wxT("hi_IN") ;
+        break ;
+      case verPakistanUrdu:
+        lc = wxT("ur_PK") ;
+        break ;
+      case verTurkishModified:
+        lc = wxT("tr_TR") ;
+        break ;
+      case verItalianSwiss:
+        lc = wxT("it_CH") ;
+        break ;
+      case verInternational:
+        lc = wxT("en") ;
+        break ;
+      case verRomania:
+        lc = wxT("ro_RO") ;
+        break ;
+      case verGreecePoly:
+        lc = wxT("el_GR") ;
+        break ;
+      case verLithuania:
+        lc = wxT("lt_LT") ;
+        break ;
+      case verPoland:
+        lc = wxT("pl_PL") ;
+        break ;
+      case verMagyar :
+      case verHungary:
+        lc = wxT("hu_HU") ;
+        break ;
+      case verEstonia:
+        lc = wxT("et_EE") ;
+        break ;
+      case verLatvia:
+        lc = wxT("lv_LV") ;
+        break ;
+      case verSami:
+        // not known
+        break ;
+      case verFaroeIsl:
+        lc = wxT("fo_FO") ;
+        break ;
+      case verIran:
+        lc = wxT("fa_IR") ;
+        break ;
+      case verRussia:
+        lc = wxT("ru_RU") ;
+        break ;
+       case verIreland:
+        lc = wxT("ga_IE") ;
+        break ;
+      case verKorea:
+        lc = wxT("ko_KR") ;
+        break ;
+      case verChina:
+        lc = wxT("zh_CN") ;
+        break ;
+      case verTaiwan:
+        lc = wxT("zh_TW") ;
+        break ;
+      case verThailand:
+        lc = wxT("th_TH") ;
+        break ;
+      case verCzech:
+        lc = wxT("cs_CZ") ;
+        break ;
+      case verSlovak:
+        lc = wxT("sk_SK") ;
+        break ;
+      case verBengali:
+        lc = wxT("bn") ;
+        break ;
+      case verByeloRussian:
+        lc = wxT("be_BY") ;
+        break ;
+      case verUkraine:
+        lc = wxT("uk_UA") ;
+        break ;
+      case verGreeceAlt:
+        lc = wxT("el_GR") ;
+        break ;
+      case verSerbian:
+        lc = wxT("sr_YU") ;
+        break ;
+      case verSlovenian:
+        lc = wxT("sl_SI") ;
+        break ;
+      case verMacedonian:
+        lc = wxT("mk_MK") ;
+        break ;
+      case verCroatia:
+        lc = wxT("hr_HR") ;
+        break ;
+      case verBrazil:
+        lc = wxT("pt_BR ") ;
+        break ;
+      case verBulgaria:
+        lc = wxT("bg_BG") ;
+        break ;
+      case verCatalonia:
+        lc = wxT("ca_ES") ;
+        break ;
+      case verScottishGaelic:
+        lc = wxT("gd") ;
+        break ;
+      case verManxGaelic:
+        lc = wxT("gv") ;
+        break ;
+      case verBreton:
+        lc = wxT("br") ;
+        break ;
+      case verNunavut:
+        lc = wxT("iu_CA") ;
+        break ;
+      case verWelsh:
+        lc = wxT("cy") ;
+        break ;
+      case verIrishGaelicScript:
+        lc = wxT("ga_IE") ;
+        break ;
+      case verEngCanada:
+        lc = wxT("en_CA") ;
+        break ;
+      case verBhutan:
+        lc = wxT("dz_BT") ;
+        break ;
+      case verArmenian:
+        lc = wxT("hy_AM") ;
+        break ;
+      case verGeorgian:
+        lc = wxT("ka_GE") ;
+        break ;
+      case verSpLatinAmerica:
+        lc = wxT("es_AR") ;
+        break ;
+      case verTonga:
+        lc = wxT("to_TO" );
+        break ;
+      case verFrenchUniversal:
+        lc = wxT("fr_FR") ;
+        break ;
+      case verAustria:
+        lc = wxT("de_AT") ;
+        break ;
+      case verGujarati:
+        lc = wxT("gu_IN") ;
+        break ;
+      case verPunjabi:
+        lc = wxT("pa") ;
+        break ;
+      case verIndiaUrdu:
+        lc = wxT("ur_IN") ;
+        break ;
+      case verVietnam:
+        lc = wxT("vi_VN") ;
+        break ;
+      case verFrBelgium:
+        lc = wxT("fr_BE") ;
+        break ;
+      case verUzbek:
+        lc = wxT("uz_UZ") ;
+        break ;
+      case verSingapore:
+        lc = wxT("zh_SG") ;
+        break ;
+      case verNynorsk:
+        lc = wxT("nn_NO") ;
+        break ;
+      case verAfrikaans:
+        lc = wxT("af_ZA") ;
+        break ;
+      case verEsperanto:
+        lc = wxT("eo") ;
+        break ;
+      case verMarathi:
+        lc = wxT("mr_IN") ;
+        break ;
+      case verTibetan:
+        lc = wxT("bo") ;
+        break ;
+      case verNepal:
+        lc = wxT("ne_NP") ;
+        break ;
+      case verGreenland:
+        lc = wxT("kl_GL") ;
+        break ;
+      default :
+        break ;
+   }
+  for ( i = 0; i < count; i++ )
+  {
+      if ( ms_languagesDB->Item(i).CanonicalName == lc )
+      {
+          break;
+      }
+  }
+
 #elif defined(__WIN32__)
     LCID lcid = GetUserDefaultLCID();
     if ( lcid != 0 )
@@ -929,7 +2155,7 @@ wxString wxLocale::GetSystemEncodingName()
 {
     wxString encname;
 
-#ifdef __WIN32__
+#if defined(__WIN32__) && !defined(__WXMICROWIN__)
     // FIXME: what is the error return value for GetACP()?
     UINT codepage = ::GetACP();
     encname.Printf(_T("windows-%u"), codepage);
@@ -940,12 +2166,29 @@ wxString wxLocale::GetSystemEncodingName()
     // to Unix98)
     char *oldLocale = strdup(setlocale(LC_CTYPE, NULL));
     setlocale(LC_CTYPE, "");
-    char *alang = nl_langinfo(CODESET);
+    const char *alang = nl_langinfo(CODESET);
     setlocale(LC_CTYPE, oldLocale);
     free(oldLocale);
-    if (alang)
+
+    if ( alang )
     {
-        encname = wxConvLibc.cMB2WX(alang);
+        // 7 bit ASCII encoding has several alternative names which we should
+        // recognize to avoid warnings about unrecognized encoding on each
+        // program startup
+
+        // nl_langinfo() under Solaris returns 646 by default which stands for
+        // ISO-646, i.e. 7 bit ASCII
+        //
+        // and recent glibc call it ANSI_X3.4-1968...
+        if ( strcmp(alang, "646") == 0 ||
+               strcmp(alang, "ANSI_X3.4-1968") == 0 )
+        {
+            encname = _T("US-ASCII");
+        }
+        else
+        {
+            encname = wxString::FromAscii( alang );
+        }
     }
     else
 #endif // HAVE_LANGINFO_H
@@ -953,24 +2196,24 @@ wxString wxLocale::GetSystemEncodingName()
         // 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;
+        char *lang = getenv( "LC_ALL");
+        char *dot = lang ? strchr(lang, '.') : (char *)NULL;
         if (!dot)
         {
-            lang = wxGetenv(wxT("LC_CTYPE"));
+            lang = getenv( "LC_CTYPE" );
             if ( lang )
-                dot = wxStrchr(lang, wxT('.'));
+                dot = strchr(lang, '.' );
         }
         if (!dot)
         {
-            lang = wxGetenv(wxT("LANG"));
+            lang = getenv( "LANG");
             if ( lang )
-                dot = wxStrchr(lang, wxT('.'));
+                dot = strchr(lang, '.');
         }
 
         if ( dot )
         {
-            encname = dot+1;
+            encname = wxString::FromAscii( dot+1 );
         }
     }
 #endif // Win32/Unix
@@ -981,35 +2224,155 @@ wxString wxLocale::GetSystemEncodingName()
 /* static */
 wxFontEncoding wxLocale::GetSystemEncoding()
 {
-#ifdef __WIN32__
+#if defined(__WIN32__) && !defined(__WXMICROWIN__)
     UINT codepage = ::GetACP();
 
-    // wxWindows only knows about CP1250-1257
+    // wxWindows only knows about CP1250-1257, 932, 936, 949, 950
     if ( codepage >= 1250 && codepage <= 1257 )
     {
         return (wxFontEncoding)(wxFONTENCODING_CP1250 + codepage - 1250);
     }
+
+    if ( codepage == 932 )
+    {
+        return wxFONTENCODING_CP932;
+    }
+
+    if ( codepage == 936 )
+    {
+        return wxFONTENCODING_CP936;
+    }
+
+    if ( codepage == 949 )
+    {
+        return wxFONTENCODING_CP949;
+    }
+
+    if ( codepage == 950 )
+    {
+        return wxFONTENCODING_CP950;
+    }
+#elif defined(__WXMAC__)
+       TextEncoding encoding = 0 ;
+#if TARGET_CARBON
+       encoding = CFStringGetSystemEncoding() ;
+#else
+        UpgradeScriptInfoToTextEncoding ( smSystemScript , kTextLanguageDontCare , kTextRegionDontCare , NULL , &encoding ) ;
+#endif
+    return wxMacGetFontEncFromSystemEnc( encoding ) ;
 #elif defined(__UNIX_LIKE__) && wxUSE_FONTMAP
     wxString encname = GetSystemEncodingName();
     if ( !encname.empty() )
     {
-        return wxTheFontMapper->
+        wxFontEncoding enc = wxFontMapper::Get()->
             CharsetToEncoding(encname, FALSE /* not interactive */);
+
+        // on some modern Linux systems (RedHat 8) the default system locale
+        // is UTF8 -- but it isn't supported by wxGTK in ANSI build at all so
+        // don't even try to use it in this case
+#if !wxUSE_UNICODE
+        if ( enc == wxFONTENCODING_UTF8 )
+        {
+            // the most similar supported encoding...
+            enc = wxFONTENCODING_ISO8859_1;
+        }
+#endif // !wxUSE_UNICODE
+
+        // this should probably be considered as a bug in CharsetToEncoding():
+        // it shouldn't return wxFONTENCODING_DEFAULT at all - but it does it
+        // for US-ASCII charset
+        //
+        // we, OTOH, definitely shouldn't return it as it doesn't make sense at
+        // all (which encoding is it?)
+        if ( enc != wxFONTENCODING_DEFAULT )
+        {
+            return enc;
+        }
+        //else: return wxFONTENCODING_SYSTEM below
     }
 #endif // Win32/Unix
 
     return wxFONTENCODING_SYSTEM;
 }
 
-/*static*/ void wxLocale::AddLanguage(const wxLanguageInfo& info)
+/* static */
+void wxLocale::AddLanguage(const wxLanguageInfo& info)
 {
     CreateLanguagesDB();
     ms_languagesDB->Add(info);
 }
 
+/* static */
+const wxLanguageInfo *wxLocale::GetLanguageInfo(int lang)
+{
+    CreateLanguagesDB();
+
+    const size_t count = ms_languagesDB->GetCount();
+    for ( size_t i = 0; i < count; i++ )
+    {
+        if ( ms_languagesDB->Item(i).Language == lang )
+        {
+            return &ms_languagesDB->Item(i);
+        }
+    }
+
+    return NULL;
+}
+
+/* static */
+wxString wxLocale::GetLanguageName(int lang)
+{
+    const wxLanguageInfo *info = GetLanguageInfo(lang);
+    if ( !info )
+        return wxEmptyString;
+    else
+        return info->Description;
+}
+
+/* static */
+const wxLanguageInfo *wxLocale::FindLanguageInfo(const wxString& locale)
+{
+    CreateLanguagesDB();
+
+    const wxLanguageInfo *infoRet = NULL;
+
+    const size_t count = ms_languagesDB->GetCount();
+    for ( size_t i = 0; i < count; i++ )
+    {
+        const wxLanguageInfo *info = &ms_languagesDB->Item(i);
+
+        if ( wxStricmp(locale, info->CanonicalName) == 0 ||
+                wxStricmp(locale, info->Description) == 0 )
+        {
+            // exact match, stop searching
+            infoRet = info;
+            break;
+        }
+
+        if ( wxStricmp(locale, info->CanonicalName.BeforeFirst(_T('_'))) == 0 )
+        {
+            // a match -- but maybe we'll find an exact one later, so continue
+            // looking
+            //
+            // OTOH, maybe we had already found a language match and in this
+            // case don't overwrite it becauce the entry for the default
+            // country always appears first in ms_languagesDB
+            if ( !infoRet )
+                infoRet = info;
+        }
+    }
+
+    return infoRet;
+}
+
 wxString wxLocale::GetSysName() const
 {
+            // FIXME
+#ifndef __WXWINCE__
     return wxSetlocale(LC_ALL, NULL);
+#else
+    return wxEmptyString;
+#endif
 }
 
 // clean up
@@ -1025,80 +2388,95 @@ wxLocale::~wxLocale()
 
     // restore old locale
     wxSetLocale(m_pOldLocale);
+    // FIXME
+#ifndef __WXWINCE__
     wxSetlocale(LC_ALL, m_pszOldLocale);
+#endif
+    free((wxChar *)m_pszOldLocale);     // const_cast
 }
 
 // get the translation of given string in current locale
-const wxMB2WXbuf wxLocale::GetString(const wxChar *szOrigString,
-                                     const wxChar *szDomain) const
-{
-  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(szOrgString);
-  }
-  else {
-    // search in all domains
-    for ( pMsgCat = m_pMsgCat; pMsgCat != NULL; pMsgCat = pMsgCat->m_pNext ) {
-      pszTrans = pMsgCat->GetString(szOrgString);
-      if ( pszTrans != NULL )   // take the first found
-        break;
+const wxChar *wxLocale::GetString(const wxChar *szOrigString,
+                                  const wxChar *szDomain) const
+{
+    return GetString(szOrigString, szOrigString, size_t(-1), szDomain);
+}
+
+const wxChar *wxLocale::GetString(const wxChar *szOrigString,
+                                  const wxChar *szOrigString2,
+                                  size_t n,
+                                  const wxChar *szDomain) const
+{
+    if ( wxIsEmpty(szOrigString) )
+        return wxEmptyString;
+
+    const wxChar *pszTrans = NULL;
+    wxMsgCatalog *pMsgCat;
+
+    if ( szDomain != NULL )
+    {
+        pMsgCat = FindCatalog(szDomain);
+
+        // does the catalog exist?
+        if ( pMsgCat != NULL )
+            pszTrans = pMsgCat->GetString(szOrigString, n);
+    }
+    else
+    {
+        // search in all domains
+        for ( pMsgCat = m_pMsgCat; pMsgCat != NULL; pMsgCat = pMsgCat->m_pNext )
+        {
+            pszTrans = pMsgCat->GetString(szOrigString, n);
+            if ( pszTrans != NULL )   // take the first found
+                break;
+        }
     }
-  }
 
-  if ( pszTrans == NULL ) {
+    if ( pszTrans == NULL )
+    {
 #ifdef __WXDEBUG__
-    if ( !NoTransErr::Suppress() ) {
-      NoTransErr noTransErr;
+        if ( !NoTransErr::Suppress() )
+        {
+            NoTransErr noTransErr;
 
-      if ( szDomain != NULL )
-      {
-        wxLogDebug(_T("string '%s' not found in domain '%s' for locale '%s'."),
-                     szOrigString, szDomain, m_strLocale.c_str());
-      }
-      else
-      {
-        wxLogDebug(_T("string '%s' not found in locale '%s'."),
-                   szOrigString, m_strLocale.c_str());
-      }
-    }
+            if ( szDomain != NULL )
+            {
+                wxLogTrace(_T("i18n"),
+                           _T("string '%s'[%lu] not found in domain '%s' for locale '%s'."),
+                           szOrigString, (unsigned long)n,
+                           szDomain, m_strLocale.c_str());
+
+            }
+            else
+            {
+                wxLogTrace(_T("i18n"),
+                           _T("string '%s'[%lu] not found in locale '%s'."),
+                           szOrigString, (unsigned long)n, m_strLocale.c_str());
+            }
+        }
 #endif // __WXDEBUG__
 
-    return (wxMB2WXbuf)(szOrigString);
-  }
-  else
-  {
-    return wxConvertMB2WX(pszTrans); // or preferably wxCSConv(charset).cMB2WX(pszTrans) or something,
-                                     // a macro similar to wxConvertMB2WX could be written for that
-  }
+        if (n == size_t(-1))
+            return szOrigString;
+        else
+            return n == 1 ? szOrigString : szOrigString2;
+    }
 
-  #undef szOrgString
+    return pszTrans;
 }
 
 // find catalog by name in a linked list, return NULL if !found
 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 ( wxStricmp(pMsgCat->GetName(), szDomain) == 0 )
-      return pMsgCat;
-  }
+    // linear search in the linked list
+    wxMsgCatalog *pMsgCat;
+    for ( pMsgCat = m_pMsgCat; pMsgCat != NULL; pMsgCat = pMsgCat->m_pNext )
+    {
+        if ( wxStricmp(pMsgCat->GetName(), szDomain) == 0 )
+          return pMsgCat;
+    }
 
-  return NULL;
+    return NULL;
 }
 
 // check if the given catalog is loaded
@@ -1124,10 +2502,98 @@ bool wxLocale::AddCatalog(const wxChar *szDomain)
     // don't add it because it couldn't be loaded anyway
     delete pMsgCat;
 
+    // it's OK to not load English catalog, the texts are embedded in
+    // the program:
+    if (m_strShort.Mid(0, 2) == wxT("en"))
+        return TRUE;
+
     return FALSE;
   }
 }
 
+// ----------------------------------------------------------------------------
+// accessors for locale-dependent data
+// ----------------------------------------------------------------------------
+
+#ifdef __WXMSW__
+
+/* static */
+wxString wxLocale::GetInfo(wxLocaleInfo index, wxLocaleCategory WXUNUSED(cat))
+{
+    wxString str;
+    wxChar buffer[256];
+    size_t count;
+    buffer[0] = wxT('\0');
+    switch (index)
+    {
+        case wxLOCALE_DECIMAL_POINT:
+            count = ::GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SDECIMAL, buffer, 256);
+            if (!count)
+                str << wxT(".");
+            else
+                str << buffer;
+            break;
+#if 0
+        case wxSYS_LIST_SEPARATOR:
+            count = ::GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_SLIST, buffer, 256);
+            if (!count)
+                str << wxT(",");
+            else
+                str << buffer;
+            break;
+        case wxSYS_LEADING_ZERO: // 0 means no leading zero, 1 means leading zero
+            count = ::GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_ILZERO, buffer, 256);
+            if (!count)
+                str << wxT("0");
+            else
+                str << buffer;
+            break;
+#endif
+        default:
+            wxFAIL_MSG(wxT("Unknown System String !"));
+    }
+    return str;
+}
+
+#else // !__WXMSW__
+
+/* static */
+wxString wxLocale::GetInfo(wxLocaleInfo index, wxLocaleCategory cat)
+{
+    struct lconv *locale_info = localeconv();
+    switch (cat)
+    {
+        case wxLOCALE_CAT_NUMBER:
+            switch (index)
+            {
+                case wxLOCALE_THOUSANDS_SEP:
+                    return wxString(locale_info->thousands_sep,
+                                    *wxConvCurrent);
+                case wxLOCALE_DECIMAL_POINT:
+                    return wxString(locale_info->decimal_point,
+                                    *wxConvCurrent);
+                default:
+                    return wxEmptyString;
+            }
+        case wxLOCALE_CAT_MONEY:
+            switch (index)
+            {
+                case wxLOCALE_THOUSANDS_SEP:
+                    return wxString(locale_info->mon_thousands_sep,
+                                    *wxConvCurrent);
+                case wxLOCALE_DECIMAL_POINT:
+                    return wxString(locale_info->mon_decimal_point,
+                                    *wxConvCurrent);
+                default:
+                    return wxEmptyString;
+            }
+        default:
+            return wxEmptyString;
+    }
+}      
+
+#endif // __WXMSW__/!__WXMSW__
+
 // ----------------------------------------------------------------------------
 // global functions and variables
 // ----------------------------------------------------------------------------
@@ -1673,7 +3139,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxLocaleModule, wxModule)
 #define LNG(wxlang, canonical, winlang, winsublang, desc) \
     info.Language = wxlang;                               \
     info.CanonicalName = wxT(canonical);                  \
-    info.Description = desc;                              \
+    info.Description = wxT(desc);                         \
     SETWINLANG(info, winlang, winsublang)                 \
     AddLanguage(info);
 
@@ -1682,7 +3148,7 @@ void wxLocale::InitLanguagesDB()
    wxLanguageInfo info;
    wxStringTokenizer tkn;
 
-      LNG(wxLANGUAGE_ABKHAZIAN,                  "ab"   , 0              , 0                                 , "Abkhazian")
+   LNG(wxLANGUAGE_ABKHAZIAN,                  "ab"   , 0              , 0                                 , "Abkhazian")
    LNG(wxLANGUAGE_AFAR,                       "aa"   , 0              , 0                                 , "Afar")
    LNG(wxLANGUAGE_AFRIKAANS,                  "af_ZA", LANG_AFRIKAANS , SUBLANG_DEFAULT                   , "Afrikaans")
    LNG(wxLANGUAGE_ALBANIAN,                   "sq_AL", LANG_ALBANIAN  , SUBLANG_DEFAULT                   , "Albanian")
@@ -1725,11 +3191,11 @@ void wxLocale::InitLanguagesDB()
    LNG(wxLANGUAGE_CATALAN,                    "ca_ES", LANG_CATALAN   , SUBLANG_DEFAULT                   , "Catalan")
    LNG(wxLANGUAGE_CHINESE,                    "zh_CN", LANG_CHINESE   , SUBLANG_DEFAULT                   , "Chinese")
    LNG(wxLANGUAGE_CHINESE_SIMPLIFIED,         "zh_CN", LANG_CHINESE   , SUBLANG_CHINESE_SIMPLIFIED        , "Chinese (Simplified)")
-   LNG(wxLANGUAGE_CHINESE_TRADITIONAL,        "zh_CN", LANG_CHINESE   , SUBLANG_CHINESE_TRADITIONAL       , "Chinese (Traditional)")
+   LNG(wxLANGUAGE_CHINESE_TRADITIONAL,        "zh_TW", LANG_CHINESE   , SUBLANG_CHINESE_TRADITIONAL       , "Chinese (Traditional)")
    LNG(wxLANGUAGE_CHINESE_HONGKONG,           "zh_HK", LANG_CHINESE   , SUBLANG_CHINESE_HONGKONG          , "Chinese (Hongkong)")
    LNG(wxLANGUAGE_CHINESE_MACAU,              "zh_MO", LANG_CHINESE   , SUBLANG_CHINESE_MACAU             , "Chinese (Macau)")
    LNG(wxLANGUAGE_CHINESE_SINGAPORE,          "zh_SG", LANG_CHINESE   , SUBLANG_CHINESE_SINGAPORE         , "Chinese (Singapore)")
-   LNG(wxLANGUAGE_CHINESE_TAIWAN,             "zh_TW", 0              , 0                                 , "Chinese (Taiwan)")
+   LNG(wxLANGUAGE_CHINESE_TAIWAN,             "zh_TW", LANG_CHINESE   , SUBLANG_CHINESE_TRADITIONAL       , "Chinese (Taiwan)")
    LNG(wxLANGUAGE_CORSICAN,                   "co"   , 0              , 0                                 , "Corsican")
    LNG(wxLANGUAGE_CROATIAN,                   "hr_HR", LANG_CROATIAN  , SUBLANG_DEFAULT                   , "Croatian")
    LNG(wxLANGUAGE_CZECH,                      "cs_CZ", LANG_CZECH     , SUBLANG_DEFAULT                   , "Czech")
@@ -1823,7 +3289,7 @@ void wxLocale::InitLanguagesDB()
    LNG(wxLANGUAGE_NAURU,                      "na"   , 0              , 0                                 , "Nauru")
    LNG(wxLANGUAGE_NEPALI,                     "ne"   , LANG_NEPALI    , SUBLANG_DEFAULT                   , "Nepali")
    LNG(wxLANGUAGE_NEPALI_INDIA,               "ne_IN", LANG_NEPALI    , SUBLANG_NEPALI_INDIA              , "Nepali (India)")
-   LNG(wxLANGUAGE_NORWEGIAN_BOKMAL,           "no_NO", LANG_NORWEGIAN , SUBLANG_NORWEGIAN_BOKMAL          , "Norwegian (Bokmal)")
+   LNG(wxLANGUAGE_NORWEGIAN_BOKMAL,           "nb_NO", LANG_NORWEGIAN , SUBLANG_NORWEGIAN_BOKMAL          , "Norwegian (Bokmal)")
    LNG(wxLANGUAGE_NORWEGIAN_NYNORSK,          "nn_NO", LANG_NORWEGIAN , SUBLANG_NORWEGIAN_NYNORSK         , "Norwegian (Nynorsk)")
    LNG(wxLANGUAGE_OCCITAN,                    "oc"   , 0              , 0                                 , "Occitan")
    LNG(wxLANGUAGE_ORIYA,                      "or"   , LANG_ORIYA     , SUBLANG_DEFAULT                   , "Oriya")
@@ -1880,7 +3346,7 @@ void wxLocale::InitLanguagesDB()
    LNG(wxLANGUAGE_SWAHILI,                    "sw_KE", LANG_SWAHILI   , SUBLANG_DEFAULT                   , "Swahili")
    LNG(wxLANGUAGE_SWEDISH,                    "sv_SE", LANG_SWEDISH   , SUBLANG_SWEDISH                   , "Swedish")
    LNG(wxLANGUAGE_SWEDISH_FINLAND,            "sv_FI", LANG_SWEDISH   , SUBLANG_SWEDISH_FINLAND           , "Swedish (Finland)")
-   LNG(wxLANGUAGE_TAGALOG,                    "tl"   , 0              , 0                                 , "Tagalog")
+   LNG(wxLANGUAGE_TAGALOG,                    "tl_PH", 0              , 0                                 , "Tagalog")
    LNG(wxLANGUAGE_TAJIK,                      "tg"   , 0              , 0                                 , "Tajik")
    LNG(wxLANGUAGE_TAMIL,                      "ta"   , LANG_TAMIL     , SUBLANG_DEFAULT                   , "Tamil")
    LNG(wxLANGUAGE_TATAR,                      "tt"   , LANG_TATAR     , SUBLANG_DEFAULT                   , "Tatar")
@@ -1910,13 +3376,11 @@ void wxLocale::InitLanguagesDB()
    LNG(wxLANGUAGE_YORUBA,                     "yo"   , 0              , 0                                 , "Yoruba")
    LNG(wxLANGUAGE_ZHUANG,                     "za"   , 0              , 0                                 , "Zhuang")
    LNG(wxLANGUAGE_ZULU,                       "zu"   , 0              , 0                                 , "Zulu")
-   
+
 };
 #undef LNG
 
 // --- --- --- generated code ends here --- --- ---
 
-
-
 #endif // wxUSE_INTL