propertyPreg = '~('; $this->startOffset = 0; $this->resultOffsets = array(); $this->matchResults = array('named' => array(), 'item' => array()); if ($this->isNamed) { $this->buildPropertyPreg(true, $attributes); } if (isset($this->itemProperties)) { if ($this->isNamed) { $this->propertyPreg .= '|'; } $this->buildPropertyPreg(false, $attributes); } $this->propertyPreg .= ')\W~i'; // Template source $this->matchTemplateSource($compiler); // Parent template source $this->matchParentTemplateSource($compiler); // {block} source $this->matchBlockSource($compiler); } /** * Build property preg string * * @param bool $named * @param array $attributes */ public function buildPropertyPreg($named, $attributes) { if ($named) { $this->resultOffsets['named'] = $this->startOffset + 3; $this->propertyPreg .= "([\$]smarty[.]{$this->tagName}[.]{$attributes['name']}[.]("; $className = get_class($this); $properties = $className::$nameProperties; } else { $this->resultOffsets['item'] = $this->startOffset + 3; $this->propertyPreg .= "([\$]{$attributes['item']}[@]("; $properties = $this->itemProperties; } $this->startOffset += count($properties) + 2; $propName = reset($properties); while ($propName) { $this->propertyPreg .= "({$propName})"; $propName = next($properties); if ($propName) { $this->propertyPreg .= '|'; } } $this->propertyPreg .= '))'; } /** * Find matches in source string * * @param string $source */ public function matchProperty($source) { preg_match_all($this->propertyPreg, $source, $match, PREG_SET_ORDER); foreach ($this->resultOffsets as $key => $offset) { foreach ($match as $m) { if (isset($m[$offset]) && !empty($m[$offset])) { $this->matchResults[$key][strtolower($m[$offset])] = true; } } } } /** * Find matches in template source * * @param \Smarty_Internal_TemplateCompilerBase $compiler */ public function matchTemplateSource(Smarty_Internal_TemplateCompilerBase $compiler) { $this->matchProperty($compiler->parser->lex->data); } /** * Find matches in all parent template source * * @param \Smarty_Internal_TemplateCompilerBase $compiler */ public function matchParentTemplateSource(Smarty_Internal_TemplateCompilerBase $compiler) { // search parent compiler template source $nextCompiler = $compiler; while ($nextCompiler !== $nextCompiler->parent_compiler) { $nextCompiler = $nextCompiler->parent_compiler; if ($compiler !== $nextCompiler) { // get template source $_content = $nextCompiler->template->source->getContent(); if ($_content != '') { // run pre filter if required if ((isset($nextCompiler->smarty->autoload_filters['pre']) || isset($nextCompiler->smarty->registered_filters['pre']))) { $_content = $nextCompiler->smarty->ext->_filter_Handler->runFilter('pre', $_content, $nextCompiler->template); } $this->matchProperty($_content); } } } } /** * Find matches in {block} tag source * * @param \Smarty_Internal_TemplateCompilerBase $compiler */ public function matchBlockSource(Smarty_Internal_TemplateCompilerBase $compiler) { } /** * Compiles code for the {$smarty.foreach.xxx} or {$smarty.section.xxx}tag * * @param array $args array with attributes from parser * @param \Smarty_Internal_TemplateCompilerBase $compiler compiler object * @param array $parameter array with compilation parameter * * @return string compiled code * @throws \SmartyCompilerException */ public static function compileSpecialVariable($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter) { // make all lower case $parameter = array_map('strtolower', $parameter); $tag = trim($parameter[0], '"\''); if (!isset($parameter[1]) || false === $name = $compiler->getId($parameter[1])) { $compiler->trigger_template_error("missing or illegal \$smarty.{$tag} name attribute", null, true); } $className = 'Smarty_Internal_Compile_' . ucfirst($tag); if ((!isset($parameter[2]) || false === $property = $compiler->getId($parameter[2])) || !in_array($property, $className::$nameProperties) ) { $compiler->trigger_template_error("missing or illegal \$smarty.{$tag} property attribute", null, true); } $tagVar = "'__smarty_{$tag}_{$name}'"; return "(isset(\$_smarty_tpl->tpl_vars[{$tagVar}]->value['{$property}']) ? \$_smarty_tpl->tpl_vars[{$tagVar}]->value['{$property}'] : null)"; } }