gosa-core/include/smarty/sysplugins/smarty_internal_resource_extends.php

   1 <?php
   2 /**
   3 * Smarty Internal Plugin Resource Extends
   4 *
   5 * @package Smarty
   6 * @subpackage TemplateResources
   7 * @author Uwe Tews
   8 * @author Rodney Rehm
   9 */
  10
  11 /**
  12 * Smarty Internal Plugin Resource Extends
  13 *
  14 * Implements the file system as resource for Smarty which {extend}s a chain of template files templates
  15 *
  16 * @package Smarty
  17 * @subpackage TemplateResources
  18 */
  19 class Smarty_Internal_Resource_Extends extends Smarty_Resource {
  20
  21     /**
  22     * populate Source Object with meta data from Resource
  23     *
  24     * @param Smarty_Template_Source   $source    source object
  25     * @param Smarty_Internal_Template $_template template object
  26     */
  27     public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template=null)
  28     {
  29         $uid = '';
  30         $sources = array();
  31         $components = explode('|', $source->name);
  32         $exists = true;
  33         foreach ($components as $component) {
  34             $s = Smarty_Resource::source(null, $source->smarty, $component);
  35             if ($s->type == 'php') {
  36                 throw new SmartyException("Resource type {$s->type} cannot be used with the extends resource type");
  37             }
  38             $sources[$s->uid] = $s;
  39             $uid .= $s->filepath;
  40             if ($_template && $_template->smarty->compile_check) {
  41                 $exists == $exists && $s->exists;
  42             }
  43         }
  44         $source->components = $sources;
  45         $source->filepath = $s->filepath;
  46         $source->uid = sha1($uid);
  47         if ($_template && $_template->smarty->compile_check) {
  48             $source->timestamp = $s->timestamp;
  49             $source->exists = $exists;
  50         }
  51         // need the template at getContent()
  52         $source->template = $_template;
  53     }
  54
  55     /**
  56     * populate Source Object with timestamp and exists from Resource
  57     *
  58     * @param Smarty_Template_Source $source source object
  59     */
  60     public function populateTimestamp(Smarty_Template_Source $source)
  61     {
  62         $source->exists = true;
  63         foreach ($source->components as $s) {
  64             $source->exists == $source->exists && $s->exists;
  65         }
  66         $source->timestamp = $s->timestamp;
  67     }
  68
  69     /**
  70     * Load template's source from files into current template object
  71     *
  72     * @param Smarty_Template_Source $source source object
  73     * @return string template source
  74     * @throws SmartyException if source cannot be loaded
  75     */
  76     public function getContent(Smarty_Template_Source $source)
  77     {
  78         if (!$source->exists) {
  79             throw new SmartyException("Unable to read template {$source->type} '{$source->name}'");
  80         }
  81
  82         $_rdl = preg_quote($source->smarty->right_delimiter);
  83         $_ldl = preg_quote($source->smarty->left_delimiter);
  84         $_components = array_reverse($source->components);
  85         $_first = reset($_components);
  86         $_last = end($_components);
  87
  88         foreach ($_components as $_component) {
  89             // register dependency
  90             if ($_component != $_first) {
  91                 $source->template->properties['file_dependency'][$_component->uid] = array($_component->filepath, $_component->timestamp, $_component->type);
  92             }
  93
  94             // read content
  95             $source->filepath = $_component->filepath;
  96             $_content = $_component->content;
  97
  98             // extend sources
  99             if ($_component != $_last) {
 100                 if (preg_match_all("!({$_ldl}block\s(.+?){$_rdl})!", $_content, $_open) !=
 101                 preg_match_all("!({$_ldl}/block{$_rdl})!", $_content, $_close)) {
 102                     throw new SmartyException("unmatched {block} {/block} pairs in template {$_component->type} '{$_component->name}'");
 103                 }
 104                 preg_match_all("!{$_ldl}block\s(.+?){$_rdl}|{$_ldl}/block{$_rdl}|{$_ldl}\*([\S\s]*?)\*{$_rdl}!", $_content, $_result, PREG_OFFSET_CAPTURE);
 105                 $_result_count = count($_result[0]);
 106                 $_start = 0;
 107                 while ($_start+1 < $_result_count) {
 108                     $_end = 0;
 109                     $_level = 1;
 110                     if (substr($_result[0][$_start][0],0,strlen($source->smarty->left_delimiter)+1) == $source->smarty->left_delimiter.'*') {
 111                         $_start++;
 112                         continue;
 113                     }
 114                     while ($_level != 0) {
 115                         $_end++;
 116                         if (substr($_result[0][$_start + $_end][0],0,strlen($source->smarty->left_delimiter)+1) == $source->smarty->left_delimiter.'*') {
 117                             continue;
 118                         }
 119                         if (!strpos($_result[0][$_start + $_end][0], '/')) {
 120                             $_level++;
 121                         } else {
 122                             $_level--;
 123                         }
 124                     }
 125                     $_block_content = str_replace($source->smarty->left_delimiter . '$smarty.block.parent' . $source->smarty->right_delimiter, '%%%%SMARTY_PARENT%%%%', substr($_content, $_result[0][$_start][1] + strlen($_result[0][$_start][0]), $_result[0][$_start + $_end][1] - $_result[0][$_start][1] - + strlen($_result[0][$_start][0])));
 126                     Smarty_Internal_Compile_Block::saveBlockData($_block_content, $_result[0][$_start][0], $source->template, $_component->filepath);
 127                     $_start = $_start + $_end + 1;
 128                 }
 129             } else {
 130                 return $_content;
 131             }
 132         }
 133     }
 134
 135     /**
 136     * Determine basename for compiled filename
 137     *
 138     * @param Smarty_Template_Source $source source object
 139     * @return string resource's basename
 140     */
 141     public function getBasename(Smarty_Template_Source $source)
 142     {
 143         return str_replace(':', '.', basename($source->filepath));
 144     }
 145
 146 }
 147
 148 ?>