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 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  * for the specific language governing rights and limitations under the
  * License.
  *
  * The Original Code is Mozilla Universal charset detector code.
  *
  * The Initial Developer of the Original Code is
  * Netscape Communications Corporation.
  * Portions created by the Initial Developer are Copyright (C) 2001
  * the Initial Developer. All Rights Reserved.
  *
  * Contributor(s):
  *          Kohei TAKETA <k-tak@void.in>
  *          Jim Huang <jserv.tw@gmail.com>
  *
  * Alternatively, the contents of this file may be used under the terms of
  * either the GNU General Public License Version 2 or later (the "GPL"), or
  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  * in which case the provisions of the GPL or the LGPL are applicable instead
  * of those above. If you wish to allow use of your version of this file only
  * under the terms of either the GPL or the LGPL, and not to allow others to
  * use your version of this file under the terms of the MPL, indicate your
  * decision by deleting the provisions above and replace them with the notice
  * and other provisions required by the GPL or the LGPL. If you do not delete
  * the provisions above, a recipient may use your version of this file under
  * the terms of any one of the MPL, the GPL or the LGPL.
  *
  * ***** END LICENSE BLOCK ***** */
 
 // NOTE: commented out to fix compilation with gcc-4.3
 // (also a corresponding "pop" in the end)
 //#pragma GCC visibility push(hidden)
 
 #include "chardet.h"
 #include "nscore.h"
 #include "nsUniversalDetector.h"
 #include <string.h>
 #include <stdlib.h>
 
 #ifdef _WIN32
 #   include <windows.h>
 #endif
 
 
 //#ifdef _MANAGED
 //#pragma managed(push, off)
 //#endif
 
 
 class DllDetector : public nsUniversalDetector
 {
 protected:
     char *charset_;
 
 public:
     DllDetector()
     : nsUniversalDetector()
     {
     charset_ = NULL;
     }
 
     virtual ~DllDetector()
     {
     if (charset_) delete charset_;
     }
 
     virtual void Report(const char* charset)
     {
     charset_ = strdup(charset);
     }
 
     virtual void Reset()
     {
     nsUniversalDetector::Reset();
     charset_ = strdup("");
     }
 
     const char* GetCharset() const
     {
     return charset_;
     }
 };
 
 
 #ifdef _WIN32
 BOOL APIENTRY DllMain( HMODULE hModule,
                        DWORD  ul_reason_for_call,
                        LPVOID lpReserved
                      )
 {
     return TRUE;
 }
 #endif
 
 
 int chardet_create(chardet_t* pdet)
 {
     if (!pdet) return CHARDET_RESULT_NOMEMORY;
 
     *pdet = reinterpret_cast<chardet_t>(new DllDetector);
     if (*pdet) {
     return CHARDET_RESULT_OK;
     } else {
     return CHARDET_RESULT_NOMEMORY;
     }
 }
 
 
 void chardet_destroy(chardet_t det)
 {
     if (det) {
     delete reinterpret_cast<DllDetector*>(det);
     }
 }
 
 
 int chardet_handle_data(chardet_t det, const char* data, unsigned int len)
 {
     if (det) {
     nsresult ret = reinterpret_cast<DllDetector*>(det)->HandleData(data, (PRUint32)len);
     if (ret == NS_OK) {
         return CHARDET_RESULT_OK;
     } else {
         return CHARDET_RESULT_NOMEMORY;
     }
     } else {
     return CHARDET_RESULT_INVALID_DETECTOR;
     }
 }
 
 
 int chardet_data_end(chardet_t det)
 {
     if (det) {
     reinterpret_cast<DllDetector*>(det)->DataEnd();
     return CHARDET_RESULT_OK;
     } else {
     return CHARDET_RESULT_INVALID_DETECTOR;
     }
 }
 
 
 int chardet_reset(chardet_t det)
 {
     if (det) {
     reinterpret_cast<DllDetector*>(det)->Reset();
     return CHARDET_RESULT_OK;
     } else {
     return CHARDET_RESULT_INVALID_DETECTOR;
     }
 }
 
 
 int chardet_get_charset(chardet_t det, char* namebuf, unsigned int buflen)
 {
     if (det) {
     if (!namebuf) return CHARDET_RESULT_NOMEMORY;
 
     const char* name = reinterpret_cast<DllDetector*>(det)->GetCharset();
     if (name == NULL || *name == 0) {
         // could not detect encoding
         if (buflen > 0) {
         *namebuf = 0;
         return CHARDET_RESULT_OK;
         } else {
         return CHARDET_RESULT_NOMEMORY;
         }
     } else {
         // encoding detected
         if (buflen >= strlen(name)+1) {
         strcpy(namebuf, name);
         return CHARDET_RESULT_OK;
         } else {
         return CHARDET_RESULT_NOMEMORY;
         }
     }
     } else {
     return CHARDET_RESULT_INVALID_DETECTOR;
     }
 }
 
 
 //#ifdef _MANAGED
 //#pragma managed(pop)
 //#endif
 
 //#pragma GCC visibility pop