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   1  <?php
   2  //
   3  // Definition of eZCodePageCodec class
   4  //
   5  // Created on: <07-Mar-2002 10:19:23 amos>
   6  //
   7  // SOFTWARE NAME: eZ publish
   8  // SOFTWARE RELEASE: 3.9.0
   9  // BUILD VERSION: 17785
  10  // COPYRIGHT NOTICE: Copyright (C) 1999-2006 eZ systems AS
  11  // SOFTWARE LICENSE: GNU General Public License v2.0
  12  // NOTICE: >
  13  //   This program is free software; you can redistribute it and/or
  14  //   modify it under the terms of version 2.0  of the GNU General
  15  //   Public License as published by the Free Software Foundation.
  16  //
  17  //   This program is distributed in the hope that it will be useful,
  18  //   but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  //   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  //   GNU General Public License for more details.
  21  //
  22  //   You should have received a copy of version 2.0 of the GNU General
  23  //   Public License along with this program; if not, write to the Free
  24  //   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  25  //   MA 02110-1301, USA.
  26  //
  27  //
  28  
  29  /*!
  30    \class eZCodePageCodec ezcodepagecodec.php
  31    \ingroup eZI18N
  32    \brief The class eZCodePageCodec does
  33  
  34  */
  35  
  36  include_once ( "lib/ezi18n/classes/eztextcodec.php" );
  37  include_once ( "lib/ezi18n/classes/ezutf8codec.php" );
  38  
  39  class eZCodePageCodec extends eZTextCodec
  40  {
  41      /*!
  42       Initializes the codepage codec with $name
  43      */
  44      function eZCodePageCodec( $name )
  45      {
  46          $this->eZTextCodec( $name );
  47          $this->CodePage = false;
  48      }
  49  
  50      function &toUnicode( $str )
  51      {
  52          $ustr = "";
  53          if ( !is_string( $str ) or
  54               !$this->isValid() )
  55              return $ustr;
  56          $len = strlen( $str );
  57          for ( $i = 0; $i < $len; ++$i )
  58          {
  59  //             $char_code = $this->CodePage->
  60  //             $ustr .= $this->toUtf8( $char_code );
  61              $char = $str[$i];
  62              $ustr .= $this->CodePage->charToUtf8( $char );
  63          }
  64          return $ustr;
  65      }
  66  
  67      function &fromUnicode( $str )
  68      {
  69          $ustr = "";
  70          if ( !is_string( $str ) or
  71               !$this->isValid() )
  72              return $ustr;
  73          $utf8_codec =& eZUTF8Codec::instance();
  74          $len = strlen( $str );
  75          for ( $i = 0; $i < $len; )
  76          {
  77              $char_code = $utf8_codec->fromUtf8( $str, $i, $l );
  78              if ( $char_code !== false )
  79              {
  80                  $i += $l;
  81                  $ustr .= chr( $this->CodePage->unicodeToChar( $char_code ) );
  82              }
  83              else
  84                  ++$i;
  85          }
  86          return $ustr;
  87      }
  88  
  89      /*!
  90       Returns true if a codepage has been set.
  91      */
  92      function isValid()
  93      {
  94          return get_class( $this->CodePage ) == "ezcodepage";
  95      }
  96  
  97      /*!
  98       Returns the codepage.
  99      */
 100      function &codePage()
 101      {
 102          return $this->CodePage;
 103      }
 104  
 105      /*!
 106       Sets the current codepage which is used for utf8/text translation.
 107      */
 108      function setCodePage( &$cp )
 109      {
 110          $this->CodePage =& $cp;
 111      }
 112  
 113      var $CodePage;
 114  }
 115  
 116  ?>