/[drupal]/contributions/modules/customfilter/customfilter.module
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revision 1.3.2.1.2.28, Wed Jul 1 02:33:53 2009 UTC revision 1.3.2.1.2.29, Wed Jul 1 03:39:28 2009 UTC
# Line 1  Line 1 
1  <?php  <?php
2  // $Id: customfilter.module,v 1.3.2.1.2.27 2009/06/30 00:40:14 kiam Exp $  // $Id: customfilter.module,v 1.3.2.1.2.28 2009/07/01 02:33:53 kiam Exp $
3    
4  /**  /**
5   * @file   * @file
# Line 305  function customfilter_delete_rule($rid) Line 305  function customfilter_delete_rule($rid)
305   *   *
306   * @param $fid   * @param $fid
307   *   The filter ID.   *   The filter ID.
  * @param $fields  
  *   The fields to retrieve.  
308   *   *
309   * @return   * @return
310   *   An array that describes the filter identified by $fid.   *   An array that describes the filter identified by $fid.
311   */   */
312  function customfilter_get_filter($fid, $fields) {  function customfilter_get_filter($fid) {
313    $filter = db_fetch_array(db_query("SELECT * FROM {customfilter_filters} WHERE fid = %d", $fid));    $filters = customfilter_get_filters();
314    
315    return $filter;    return isset($filters[$fid]) ? $filters[$fid] : 0;
316  }  }
317    
318  /**  /**
319   * Get the list of filters from database.   * Get the list of filters.
  *  
  * @param $fields  
  *   The fields to retrieve.  
  * @param $cond  
  *   The SQL condition that must be verified; by default, all results are  
  *   returned.  
  * @param $args  
  *   The array of arguments to pass to the query function.  
320   *   *
321   * @return   * @return
322   *   An array of filters.   *   An array of filters.
323   */   */
324  function customfilter_get_filters() {  function customfilter_get_filters() {
325    $filters = array();    static $db_filters;
   
   $query = "SELECT * FROM {customfilter_filters} ORDER BY name";  
   $result = db_query($query);  
326    
327    while ($filter = db_fetch_array($result)) {    if (!isset($db_filters)) {
328      $filters[] = $filter;      $db_filters = array();
329        $query = "SELECT * FROM {customfilter_filters} ORDER BY name";
330    
331        $result = db_query($query);
332        while ($filter = db_fetch_array($result)) {
333          $db_filters[] = $filter;
334        }
335    }    }
336    
337    return $filters;    return $db_filters;
338  }  }
339    
340  /**  /**
341   * Retrieve the replacement rules from the database table.   * Retrieve the replacement rules for a specific filter.
342   *   *
343   * @param $fid   * @param $fid
344   *   The filter ID.   *   The filter ID.
345   * @param $root   * @param $root
346   *   The root rule.   *   The root rule.
  * @param $sortby  
  *   The database field used to sort the result; the default field used is the  
  *   weight field.  
  * @param $fields  
  *   The fields to retrieve.  
347   *   *
348   * @return   * @return
349   *   An array of rules, which include any subrules.   *   An array of rules, which include any subrules.
350   */   */
351  function customfilter_get_rules($fid, $root = 0) {  function customfilter_get_rules($fid, $root = 0) {
352      static $db_rules = array();
353    
354      $cid = $fid . $root;
355    
356      if (!isset($db_rules[$cid])) {
357        $db_rules[$cid] = _customfilter_get_rules($fid, $root);
358      }
359    
360      return $db_rules[$cid];
361    }
362    
363    /*****************************************************************************
364     * Private functions.
365     ****************************************************************************/
366    
367    /**
368     * Retrieve the replacement rules for a specific filter.
369     *
370     * @param $fid
371     *   The filter ID.
372     * @param $root
373     *   The root rule.
374     *
375     * @return
376     *   An array of rules, which include any subrules.
377     */
378    function _customfilter_get_rules($fid, $root) {
379    $rules = array();    $rules = array();
380    $result = db_query("SELECT * FROM {customfilter_rules} WHERE fid = %d and prid = %d ORDER BY weight", $fid, $prid);  
381      $result = db_query("SELECT * FROM {customfilter_rules} WHERE fid = %d and prid = %d ORDER BY weight", $fid, $root);
382    
383    while ($rule = db_fetch_array($result)) {    while ($rule = db_fetch_array($result)) {
384      $rule['sub'] = customfilter_get_rules($fid, $rule['rid']);      $rule['sub'] = _customfilter_get_rules($fid, $rule['rid']);
385    
386      // Create an anonymous function if the replacement string is PHP code.      // Create an anonymous function if the replacement string is PHP code.
387      if ($rule['code']) {      if ($rule['code']) {
388        $rule['function'] = create_function('$matches', '$vars =& _customfilter_code_vars(); '. $rule['replacement']);        $rule['function'] = create_function('$matches', '$customfilter = CustomFilter::singleton(); '. $rule['replacement']);
389      }      }
390    
391      $rules[$rule['rid']] = $rule;      $rules[$rule['rid']] = $rule;
# Line 378  function customfilter_get_rules($fid, $r Line 394  function customfilter_get_rules($fid, $r
394    return $rules;    return $rules;
395  }  }
396    
 /*****************************************************************************  
  * Private functions.  
  ****************************************************************************/  
   
397  /**  /**
398   * Return the global object containing the global properties used in the   * Return the global object containing the global properties used in the
399   * replacement PHP code.   * replacement PHP code.
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