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   1  <?php
   2  # ***** BEGIN LICENSE BLOCK *****
   3  # Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  #
   5  # The contents of this file are subject to the Mozilla Public License Version
   6  # 1.1 (the "License"); you may not use this file except in compliance with
   7  # the License. You may obtain a copy of the License at
   8  # http://www.mozilla.org/MPL/
   9  #
  10  # Software distributed under the License is distributed on an "AS IS" basis,
  11  # WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  # for the specific language governing rights and limitations under the
  13  # License.
  14  #
  15  # The Original Code is DotClear Weblog.
  16  #
  17  # The Initial Developer of the Original Code is
  18  # Olivier Meunier.
  19  # Portions created by the Initial Developer are Copyright (C) 2003
  20  # the Initial Developer. All Rights Reserved.
  21  #
  22  # Contributor(s):
  23  #    loïc d'Anterroches: Modification to manage a different config file format.
  24  #
  25  # Alternatively, the contents of this file may be used under the terms of
  26  # either the GNU General Public License Version 2 or later (the "GPL"), or
  27  # the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  # in which case the provisions of the GPL or the LGPL are applicable instead
  29  # of those above. If you wish to allow use of your version of this file only
  30  # under the terms of either the GPL or the LGPL, and not to allow others to
  31  # use your version of this file under the terms of the MPL, indicate your
  32  # decision by deleting the provisions above and replace them with the notice
  33  # and other provisions required by the GPL or the LGPL. If you do not delete
  34  # the provisions above, a recipient may use your version of this file under
  35  # the terms of any one of the MPL, the GPL or the LGPL.
  36  #
  37  # ***** END LICENSE BLOCK *****
  38  
  39  # Classe de gestion d'un fichier de configuration
  40  
  41  class configfile
  42  {
  43      var $file;
  44      var $content;
  45      var $prefix = '_PX_config';
  46  
  47  	function configfile($file)
  48      {
  49          clearstatcache();
  50          if (file_exists($file)) {
  51              $this->file = $file;
  52              $f = fopen($file, 'r');
  53              $this->content = fread($f, filesize($file));
  54              fclose($f);
  55          } else {
  56              $this->file = false;
  57          }
  58      }
  59  
  60      /** édition d'une variable */
  61  	function editVar($name,$value)
  62      {
  63          if ($this->file !== false)
  64          {
  65              if (is_array($name)) {
  66                  $temp = '';
  67                  reset($name);
  68                  foreach ($name as $k => $v) {
  69                      $temp .= '[\''.$v.'\']';
  70                  }
  71                  $name = $temp;
  72              } else {
  73                  $name = "['$name']";
  74              }
  75              $match = '/(\$'.preg_quote($this->prefix.$name,'/').')[\s]*=[\s]*(.+);/mU';
  76  
  77              if (preg_match($match,$this->content))
  78              {
  79                  $value = $this->exp_var($value);
  80                  $replace = '$1 = '.$value.';';
  81  
  82                  $this->content = preg_replace($match,$replace,$this->content);
  83              }
  84          }
  85      }
  86  
  87      /** récupération d'une variable sans évaluation (string en sortie)*/
  88  	function getVar($name)
  89      {
  90          if ($this->file !== false)
  91          {
  92              if (is_array($name)) {
  93                  $temp = '';
  94                  reset($name);
  95                  foreach ($name as $k => $v) {
  96                      $temp .= '[\''.$v.'\']';
  97                  }
  98                  $name = $temp;
  99              } else {
 100                  $name = "['$name']";
 101              }
 102  
 103              $match = '/(\$'.preg_quote($this->prefix.$name,'/').')[\s]*=[\s]*(.+);/mU';
 104  
 105              if (preg_match($match,$this->content,$res))
 106              {
 107                  return trim($res[2]);
 108              }
 109          }
 110          return false;
 111      }
 112  
 113      /** ajouter une variable */
 114  	function addVar($name, $value, $comment='')
 115      {
 116          if (false === $this->getVar($name))
 117          {
 118              if (is_array($name)) {
 119                  $temp = '';
 120                  reset($name);
 121                  foreach ($name as $k => $v) {
 122                      $temp .= '[\''.$v.'\']';
 123                  }
 124                  $name = $temp;
 125              } else {
 126                  $name = "['$name']";
 127              }
 128              //the ? > at the end of the file is used as a marker
 129              $string = '';
 130              if (!empty($comment)) $string = '/* '.$comment.' */'."\n";
 131              $value = $this->exp_var($value);
 132              $string .= '$'.$this->prefix.$name.' = '.$value.';'."\n\n".'?>';
 133              $this->content = str_replace('?>', $string, $this->content);
 134              return true;
 135          }
 136          return false;
 137      }
 138  
 139  
 140      /** sauvegarde du fichier */
 141  	function saveFile()
 142      {
 143          if (($fp = @fopen($this->file,'w')) !== false) {
 144              if (fwrite($fp,$this->content,strlen($this->content)) !== false) {
 145                  $res = true;
 146              } else {
 147                  $res = false;
 148              }
 149              fclose($fp);
 150              return $res;
 151          } else {
 152              return false;
 153          }
 154      }
 155  
 156  
 157      /** exportation d'une variable */
 158  	function exp_var($var)
 159      {
 160          if (gettype($var) == 'array')
 161          {
 162              $arry_res = array();
 163              foreach ($var as $k => $v) {
 164                  $arry_res[] = $k.' => '.$this->exp_var($v);
 165              }
 166              return 'array('.implode(',',$arry_res).')';
 167          }
 168          elseif (gettype($var) == 'string')
 169          {
 170              return "'".addslashes($var)."'";
 171          }
 172          elseif (gettype($var) == 'boolean')
 173          {
 174              return ($var) ? 'true' : 'false';
 175          }
 176          else
 177          {
 178              return $var;
 179          }
 180      }
 181  }
 182  
 183  ?>