update NLS string handling...

1 files changed, 153 insertions, 0 deletions

diff --git a/src/FbTk/I18n.cc b/src/FbTk/I18n.cc
new file mode 100644
index 0000000..caffc6b
--- /dev/null
+++ b/src/FbTk/I18n.cc
@@ -0,0 +1,153 @@
+// I18n.hh for Fluxbox Window Manager
+// Copyright (c) 2001 - 2003 Henrik Kinnunen (fluxgen(at)users.sourceforge.net)
+//
+// I18n.cc for Blackbox - an X11 Window manager
+// Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+// $Id: I18n.cc,v 1.1 2004/06/07 11:46:05 rathnor Exp $
+
+/* Note:
+ * A good reference for the older non-gettext style I18n
+ * functions is the "Locale tutorial"
+ *     Written by Patrick D'Cruze (pdcruze@orac.iinet.com.au)
+ * A copy of which is available (at the time of writing) here:
+ * http://www.kulichki.com/moshkow/CYRILLIC/locale-tutorial-0_8.txt
+ */
+
+//usr GNU extensions
+#ifndef  _GNU_SOURCE
+#define  _GNU_SOURCE
+#endif // _GNU_SOURCE
+
+#include "I18n.hh"
+
+#include <X11/Xlocale.h>
+
+#include <cstdlib>
+#include <cstring>
+#include <cstdio>
+
+#include <iostream>
+
+// TODO: FIXME: the LOCALEPATH from this file should be ./configure-ed into config.h
+#include "../defaults.hh"
+
+using std::cerr;
+using std::endl;
+using std::string;
+
+namespace FbTk {
+
+void NLSInit(const char *catalog) {
+    I18n *i18n = I18n::instance();
+    i18n->openCatalog(catalog);
+}
+
+
+I18n::I18n():m_multibyte(false), m_catalog_fd((nl_catd)(-1)) {
+#ifdef  HAVE_SETLOCALE
+    //make sure we don't get 0 to m_locale string
+    char *temp = setlocale(LC_ALL, "");
+    m_locale = ( temp ?  temp : ""); 
+    if (m_locale.empty()) {
+        cerr<<"Warning: Failed to set locale, reverting to \"C\""<<endl;
+#endif // HAVE_SETLOCALE
+
+        m_locale = "C";
+
+#ifdef  HAVE_SETLOCALE
+
+    } else {            
+        // MB_CUR_MAX returns the size of a char in the current locale
+        if (MB_CUR_MAX > 1)
+            m_multibyte = true;
+                
+        // truncate any encoding off the end of the locale
+                                
+        // remove everything after @
+        string::size_type index = m_locale.find('@');
+        if (index != string::npos)
+            m_locale.erase(index); //erase all characters starting at index                             
+        // remove everything after .            
+        index = m_locale.find('.');
+        if (index != string::npos) 
+            m_locale.erase(index); //erase all characters starting at index 
+        // remove everything before =           
+        index = m_locale.find('=');
+        if (index != string::npos) 
+            m_locale.erase(0,index+1); //erase all characters starting up to index 
+    }
+#endif // HAVE_SETLOCALE
+}
+
+
+I18n::~I18n() {
+
+#if defined(NLS) && defined(HAVE_CATCLOSE)
+    if (m_catalog_fd != (nl_catd)-1)
+        catclose(m_catalog_fd);
+#endif // HAVE_CATCLOSE
+}
+
+I18n *I18n::instance() {
+    static I18n singleton; //singleton object
+    return &singleton;
+}
+
+void I18n::openCatalog(const char *catalog) {
+#if defined(NLS) && defined(HAVE_CATOPEN)
+        
+    string catalog_filename = LOCALEPATH;
+    catalog_filename += '/';
+    catalog_filename += m_locale;
+    catalog_filename += '/';
+    catalog_filename += catalog;
+
+#ifdef MCLoadBySet
+    m_catalog_fd = catopen(catalog_filename.c_str(), MCLoadBySet);
+#else // !MCLoadBySet
+    m_catalog_fd = catopen(catalog_filename.c_str(), NL_CAT_LOCALE);
+#endif // MCLoadBySet
+
+    if (m_catalog_fd == (nl_catd)-1) {
+        cerr<<"Warning: Failed to open file("<<catalog_filename<<")"<<endl;
+        cerr<<"for translation, using default messages."<<endl;
+    }
+        
+#else // !HAVE_CATOPEN
+        
+    m_catalog_fd = (nl_catd)-1;
+#endif // HAVE_CATOPEN
+}
+
+
+const char *I18n::getMessage(int set_number, int message_number, 
+                             const char *default_message) const {
+
+#if defined(NLS) && defined(HAVE_CATGETS)
+    if (m_catalog_fd != (nl_catd)-1)
+        return (const char *) catgets(m_catalog_fd, set_number, message_number, default_message);
+    else
+#endif // NLS && HAVE_CATGETS
+        return default_message;
+}
+
+}; // end namespace FbTk