/htdocs/symfony/2.0.0pr4/src/vendor/twig/lib/Twig/Template.php
PHP | 177 lines | 129 code | 28 blank | 20 comment | 26 complexity | 5a2f70fc8cefd1429cabeca3fb8d0e1b MD5 | raw file
Possible License(s): LGPL-3.0, Apache-2.0, BSD-3-Clause, ISC, AGPL-3.0, LGPL-2.1
- <?php
- /*
- * This file is part of Twig.
- *
- * (c) 2009 Fabien Potencier
- * (c) 2009 Armin Ronacher
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- abstract class Twig_Template implements Twig_TemplateInterface
- {
- static protected $cache = array();
- protected $env;
- protected $blocks;
- public function __construct(Twig_Environment $env)
- {
- $this->env = $env;
- $this->blocks = array();
- }
- public function getTemplateName()
- {
- return 'n/a';
- }
- public function getEnvironment()
- {
- return $this->env;
- }
- public function getParent(array $context)
- {
- return false;
- }
- public function getParentBlock($name, array $context, array $blocks = array())
- {
- if (false !== $parent = $this->getParent($context)) {
- return $parent->getBlock($name, $context, $blocks);
- } else {
- throw new Twig_Error_Runtime('This template has no parent', -1, $this->getTemplateName());
- }
- }
- public function getBlock($name, array $context, array $blocks = array())
- {
- if (isset($blocks[$name])) {
- $b = $blocks;
- unset($b[$name]);
- return call_user_func($blocks[$name], $context, $b);
- } elseif (isset($this->blocks[$name])) {
- return call_user_func($this->blocks[$name], $context, $blocks);
- }
- if (false !== $parent = $this->getParent($context)) {
- return $parent->getBlock($name, $context, array_merge($this->blocks, $blocks));
- }
- }
- public function hasBlock($name)
- {
- return isset($this->blocks[$name]);
- }
- public function getBlockNames()
- {
- return array_keys($this->blocks);
- }
- /**
- * Renders the template with the given context and returns it as string.
- *
- * @param array $context An array of parameters to pass to the template
- *
- * @return string The rendered template
- */
- public function render(array $context)
- {
- ob_start();
- try {
- $this->display($context);
- } catch (Exception $e) {
- ob_end_clean();
- throw $e;
- }
- return ob_get_clean();
- }
- protected function getContext($context, $item, $line = -1)
- {
- if (!array_key_exists($item, $context)) {
- throw new Twig_Error_Runtime(sprintf('Variable "%s" does not exist', $item), $line, $this->getTemplateName());
- }
- return $context[$item];
- }
- protected function getAttribute($object, $item, array $arguments = array(), $type = Twig_Node_Expression_GetAttr::TYPE_ANY, $noStrictCheck = false)
- {
- // array
- if (Twig_Node_Expression_GetAttr::TYPE_METHOD !== $type) {
- if ((is_array($object) || is_object($object) && $object instanceof ArrayAccess) && isset($object[$item])) {
- return $object[$item];
- }
- if (Twig_Node_Expression_GetAttr::TYPE_ARRAY === $type) {
- if (!$this->env->isStrictVariables() || $noStrictCheck) {
- return null;
- }
- throw new Twig_Error_Runtime(sprintf('Key "%s" for array "%s" does not exist', $item, $object), -1, $this->getTemplateName());
- }
- }
- if (!is_object($object)) {
- if (!$this->env->isStrictVariables() || $noStrictCheck) {
- return null;
- }
- throw new Twig_Error_Runtime(sprintf('Item "%s" for "%s" does not exist', $item, $object), -1, $this->getTemplateName());
- }
- // get some information about the object
- $class = get_class($object);
- if (!isset(self::$cache[$class])) {
- $r = new ReflectionClass($class);
- self::$cache[$class] = array('methods' => array(), 'properties' => array());
- foreach ($r->getMethods(ReflectionMethod::IS_PUBLIC) as $method) {
- self::$cache[$class]['methods'][strtolower($method->getName())] = true;
- }
- foreach ($r->getProperties(ReflectionProperty::IS_PUBLIC) as $property) {
- self::$cache[$class]['properties'][strtolower($property->getName())] = true;
- }
- }
- // object property
- if (Twig_Node_Expression_GetAttr::TYPE_METHOD !== $type) {
- if (isset(self::$cache[$class]['properties'][strtolower($item)]) || isset($object->$item)) {
- if ($this->env->hasExtension('sandbox')) {
- $this->env->getExtension('sandbox')->checkPropertyAllowed($object, $item);
- }
- return $object->$item;
- }
- }
- // object method
- $lcItem = strtolower($item);
- if (isset(self::$cache[$class]['methods'][$lcItem])) {
- $method = $item;
- } elseif (isset(self::$cache[$class]['methods']['get'.$lcItem])) {
- $method = 'get'.$item;
- } elseif (isset(self::$cache[$class]['methods']['is'.$lcItem])) {
- $method = 'is'.$item;
- } elseif (isset(self::$cache[$class]['methods']['__call'])) {
- $method = $item;
- } else {
- if (!$this->env->isStrictVariables() || $noStrictCheck) {
- return null;
- }
- throw new Twig_Error_Runtime(sprintf('Method "%s" for object "%s" does not exist', $item, get_class($object)), -1, $this->getTemplateName());
- }
- if ($this->env->hasExtension('sandbox')) {
- $this->env->getExtension('sandbox')->checkMethodAllowed($object, $method);
- }
- return call_user_func_array(array($object, $method), $arguments);
- }
- }