Пример #1
0
 /**
  * Compile the specified tag and return PHP code to handle it.
  *
  * @param XenForo_Template_Compiler The invoking compiler
  * @param string                 Name of the tag called
  * @param array                  Attributes for the tag (may be empty)
  * @param array                  Nodes (tags/curlies/text) within this tag (may be empty)
  * @param array                  Compilation options
  *
  * @return string
  */
 public function compile(XenForo_Template_Compiler $compiler, $tag, array $attributes, array $children, array $options)
 {
     if (empty($options['allowRawStatements'])) {
         throw $compiler->getNewCompilerException(new XenForo_Phrase('x_tags_only_used_where_full_statements_allowed', array('tag' => 'include')));
     }
     if (empty($attributes['template']) || count($attributes['template']) != 1 || !is_string($attributes['template'][0])) {
         throw $compiler->getNewCompilerException(new XenForo_Phrase('invalid_template_include_specified'));
     }
     $include = $attributes['template'][0];
     $template = $compiler->includeParsedTemplate($include);
     $statement = $compiler->getNewRawStatement();
     $tempVars = array();
     $mapVars = array();
     foreach ($children as $child) {
         if ($compiler->isSegmentNamedTag($child, 'map')) {
             $childAttr = $child['attributes'];
             if (empty($childAttr['from']) || empty($childAttr['to'])) {
                 throw $compiler->getNewCompilerException(new XenForo_Phrase('included_template_variable_mappings_must_include_from_and_to_attributes'));
             }
             $from = $compiler->compileVarRef($childAttr['from'], $options);
             if (count($childAttr['to']) != 1 || !is_string($childAttr['to'][0])) {
                 throw $compiler->getNewCompilerException(new XenForo_Phrase('invalid_template_include_variable_mapping_specified'));
             }
             if (!preg_match('#^\\$([a-zA-Z_][a-zA-Z0-9_]*)$#', $childAttr['to'][0])) {
                 throw $compiler->getNewCompilerException(new XenForo_Phrase('invalid_template_include_variable_mapping_specified'));
             }
             // "from $outer" and "to $inner"; when processed (within inner template), need to map the other direction.
             $mapVars[substr($childAttr['to'][0], 1)] = substr($from, 1);
         } else {
             if ($compiler->isSegmentNamedTag($child, 'set')) {
                 // take var as "to" and compile into a temporary variable
                 $childAttr = $child['attributes'];
                 if (empty($childAttr['var'])) {
                     throw $compiler->getNewCompilerException(new XenForo_Phrase('included_template_variable_assignments_must_include_var_attribute'));
                 }
                 if (count($childAttr['var']) != 1 || !is_string($childAttr['var'][0])) {
                     throw $compiler->getNewCompilerException(new XenForo_Phrase('invalid_template_include_variable_assignment_specified'));
                 }
                 $mapRegex = '#^\\$([a-zA-Z_][a-zA-Z0-9_]*)$#';
                 if (!preg_match($mapRegex, $childAttr['var'][0])) {
                     throw $compiler->getNewCompilerException(new XenForo_Phrase('invalid_template_include_variable_assignment_specified'));
                 }
                 if (!empty($childAttr['value'])) {
                     if ($child['children']) {
                         throw $compiler->getNewCompilerException(new XenForo_Phrase('tag_contained_children_and_value_attribute'));
                     }
                     $value = $compiler->compileAndCombineSegments($childAttr['value'], array_merge($options, array('varEscape' => false)));
                     $setVar = $compiler->getUniqueVar();
                     $childOutput = '$' . $setVar . ' = ' . $value . ";\n";
                 } else {
                     $childOutput = $compiler->compileIntoVariable($child['children'], $setVar, $options);
                 }
                 $statement->addStatement($childOutput);
                 $mapVars[substr($childAttr['var'][0], 1)] = $setVar;
                 $tempVars[] = $setVar;
             }
         }
     }
     if ($template) {
         $oldMap = $compiler->getVariableMap();
         $compiler->setVariableMap($mapVars, true);
         $compiled = $compiler->compileIntoVariable($template, $var, $options);
         $tempVars[] = $var;
         $compiler->setVariableMap($oldMap);
         $statement->addStatement($compiled);
         $statement->addStatement('$' . $compiler->getOutputVar() . ' .= $' . $var . ";\n" . 'unset($' . implode(', $', $tempVars) . ");\n");
         return $statement;
     } else {
         return '';
     }
 }