diff options
Diffstat (limited to 'inc/lib/Twig/Template.php')
| -rw-r--r-- | inc/lib/Twig/Template.php | 565 |
1 files changed, 378 insertions, 187 deletions
diff --git a/inc/lib/Twig/Template.php b/inc/lib/Twig/Template.php index a42fab28..3709232a 100644 --- a/inc/lib/Twig/Template.php +++ b/inc/lib/Twig/Template.php @@ -3,8 +3,8 @@ /* * This file is part of Twig. * - * (c) 2009 Fabien Potencier - * (c) 2009 Armin Ronacher + * (c) Fabien Potencier + * (c) Armin Ronacher * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. @@ -13,30 +13,38 @@ /** * Default base class for compiled templates. * + * This class is an implementation detail of how template compilation currently + * works, which might change. It should never be used directly. Use $twig->load() + * instead, which returns an instance of Twig_TemplateWrapper. + * * @author Fabien Potencier <fabien@symfony.com> + * + * @internal */ abstract class Twig_Template implements Twig_TemplateInterface { + /** + * @internal + */ protected static $cache = array(); protected $parent; - protected $parents; + protected $parents = array(); protected $env; - protected $blocks; - protected $traits; - protected $macros; + protected $blocks = array(); + protected $traits = array(); - /** - * Constructor. - * - * @param Twig_Environment $env A Twig_Environment instance - */ public function __construct(Twig_Environment $env) { $this->env = $env; - $this->blocks = array(); - $this->traits = array(); - $this->macros = array(); + } + + /** + * @internal this method will be removed in 2.0 and is only used internally to provide an upgrade path from 1.x to 2.0 + */ + public function __toString() + { + return $this->getTemplateName(); } /** @@ -47,10 +55,48 @@ abstract class Twig_Template implements Twig_TemplateInterface abstract public function getTemplateName(); /** - * {@inheritdoc} + * Returns debug information about the template. + * + * @return array Debug information + * + * @internal + */ + public function getDebugInfo() + { + return array(); + } + + /** + * Returns the template source code. + * + * @return string The template source code + * + * @deprecated since 1.27 (to be removed in 2.0). Use getSourceContext() instead + */ + public function getSource() + { + @trigger_error('The '.__METHOD__.' method is deprecated since version 1.27 and will be removed in 2.0. Use getSourceContext() instead.', E_USER_DEPRECATED); + + return ''; + } + + /** + * Returns information about the original template source code. + * + * @return Twig_Source + */ + public function getSourceContext() + { + return new Twig_Source('', $this->getTemplateName()); + } + + /** + * @deprecated since 1.20 (to be removed in 2.0) */ public function getEnvironment() { + @trigger_error('The '.__METHOD__.' method is deprecated since version 1.20 and will be removed in 2.0.', E_USER_DEPRECATED); + return $this->env; } @@ -60,7 +106,11 @@ abstract class Twig_Template implements Twig_TemplateInterface * This method is for internal use only and should never be called * directly. * + * @param array $context + * * @return Twig_TemplateInterface|false The parent template or false if there is no parent + * + * @internal */ public function getParent(array $context) { @@ -68,15 +118,25 @@ abstract class Twig_Template implements Twig_TemplateInterface return $this->parent; } - $parent = $this->doGetParent($context); - if (false === $parent) { - return false; - } elseif ($parent instanceof Twig_Template) { - $name = $parent->getTemplateName(); - $this->parents[$name] = $parent; - $parent = $name; - } elseif (!isset($this->parents[$parent])) { - $this->parents[$parent] = $this->env->loadTemplate($parent); + try { + $parent = $this->doGetParent($context); + + if (false === $parent) { + return false; + } + + if ($parent instanceof self) { + return $this->parents[$parent->getTemplateName()] = $parent; + } + + if (!isset($this->parents[$parent])) { + $this->parents[$parent] = $this->loadTemplate($parent); + } + } catch (Twig_Error_Loader $e) { + $e->setSourceContext(null); + $e->guess(); + + throw $e; } return $this->parents[$parent]; @@ -101,17 +161,19 @@ abstract class Twig_Template implements Twig_TemplateInterface * @param string $name The block name to display from the parent * @param array $context The context * @param array $blocks The current set of blocks + * + * @internal */ public function displayParentBlock($name, array $context, array $blocks = array()) { $name = (string) $name; if (isset($this->traits[$name])) { - $this->traits[$name][0]->displayBlock($name, $context, $blocks); + $this->traits[$name][0]->displayBlock($name, $context, $blocks, false); } elseif (false !== $parent = $this->getParent($context)) { - $parent->displayBlock($name, $context, $blocks); + $parent->displayBlock($name, $context, $blocks, false); } else { - throw new Twig_Error_Runtime(sprintf('The template has no parent and no traits defining the "%s" block', $name), -1, $this->getTemplateName()); + throw new Twig_Error_Runtime(sprintf('The template has no parent and no traits defining the "%s" block.', $name), -1, $this->getSourceContext()); } } @@ -121,22 +183,56 @@ abstract class Twig_Template implements Twig_TemplateInterface * This method is for internal use only and should never be called * directly. * - * @param string $name The block name to display - * @param array $context The context - * @param array $blocks The current set of blocks + * @param string $name The block name to display + * @param array $context The context + * @param array $blocks The current set of blocks + * @param bool $useBlocks Whether to use the current set of blocks + * + * @internal */ - public function displayBlock($name, array $context, array $blocks = array()) + public function displayBlock($name, array $context, array $blocks = array(), $useBlocks = true) { $name = (string) $name; - if (isset($blocks[$name])) { - $b = $blocks; - unset($b[$name]); - call_user_func($blocks[$name], $context, $b); + if ($useBlocks && isset($blocks[$name])) { + $template = $blocks[$name][0]; + $block = $blocks[$name][1]; } elseif (isset($this->blocks[$name])) { - call_user_func($this->blocks[$name], $context, $blocks); + $template = $this->blocks[$name][0]; + $block = $this->blocks[$name][1]; + } else { + $template = null; + $block = null; + } + + // avoid RCEs when sandbox is enabled + if (null !== $template && !$template instanceof self) { + throw new LogicException('A block must be a method on a Twig_Template instance.'); + } + + if (null !== $template) { + try { + $template->$block($context, $blocks); + } catch (Twig_Error $e) { + if (!$e->getSourceContext()) { + $e->setSourceContext($template->getSourceContext()); + } + + // this is mostly useful for Twig_Error_Loader exceptions + // see Twig_Error_Loader + if (false === $e->getTemplateLine()) { + $e->setTemplateLine(-1); + $e->guess(); + } + + throw $e; + } catch (Exception $e) { + throw new Twig_Error_Runtime(sprintf('An exception has been thrown during the rendering of a template ("%s").', $e->getMessage()), -1, $template->getSourceContext(), $e); + } } elseif (false !== $parent = $this->getParent($context)) { - $parent->displayBlock($name, $context, array_merge($this->blocks, $blocks)); + $parent->displayBlock($name, $context, array_merge($this->blocks, $blocks), false); + } else { + @trigger_error(sprintf('Silent display of undefined block "%s" in template "%s" is deprecated since version 1.29 and will throw an exception in 2.0. Use the "block(\'%s\') is defined" expression to test for block existence.', $name, $this->getTemplateName(), $name), E_USER_DEPRECATED); } } @@ -151,6 +247,8 @@ abstract class Twig_Template implements Twig_TemplateInterface * @param array $blocks The current set of blocks * * @return string The rendered block + * + * @internal */ public function renderParentBlock($name, array $context, array $blocks = array()) { @@ -166,55 +264,123 @@ abstract class Twig_Template implements Twig_TemplateInterface * This method is for internal use only and should never be called * directly. * - * @param string $name The block name to render - * @param array $context The context - * @param array $blocks The current set of blocks + * @param string $name The block name to render + * @param array $context The context + * @param array $blocks The current set of blocks + * @param bool $useBlocks Whether to use the current set of blocks * * @return string The rendered block + * + * @internal */ - public function renderBlock($name, array $context, array $blocks = array()) + public function renderBlock($name, array $context, array $blocks = array(), $useBlocks = true) { ob_start(); - $this->displayBlock($name, $context, $blocks); + $this->displayBlock($name, $context, $blocks, $useBlocks); return ob_get_clean(); } /** - * Returns whether a block exists or not. + * Returns whether a block exists or not in the current context of the template. * - * This method is for internal use only and should never be called - * directly. + * This method checks blocks defined in the current template + * or defined in "used" traits or defined in parent templates. * - * This method does only return blocks defined in the current template - * or defined in "used" traits. - * - * It does not return blocks from parent templates as the parent - * template name can be dynamic, which is only known based on the - * current context. + * @param string $name The block name + * @param array $context The context + * @param array $blocks The current set of blocks * - * @param string $name The block name + * @return bool true if the block exists, false otherwise * - * @return Boolean true if the block exists, false otherwise + * @internal */ - public function hasBlock($name) + public function hasBlock($name, array $context = null, array $blocks = array()) { - return isset($this->blocks[(string) $name]); + if (null === $context) { + @trigger_error('The '.__METHOD__.' method is internal and should never be called; calling it directly is deprecated since version 1.28 and won\'t be possible anymore in 2.0.', E_USER_DEPRECATED); + + return isset($this->blocks[(string) $name]); + } + + if (isset($blocks[$name])) { + return $blocks[$name][0] instanceof self; + } + + if (isset($this->blocks[$name])) { + return true; + } + + if (false !== $parent = $this->getParent($context)) { + return $parent->hasBlock($name, $context); + } + + return false; } /** - * Returns all block names. + * Returns all block names in the current context of the template. * - * This method is for internal use only and should never be called - * directly. + * This method checks blocks defined in the current template + * or defined in "used" traits or defined in parent templates. + * + * @param array $context The context + * @param array $blocks The current set of blocks * * @return array An array of block names * - * @see hasBlock + * @internal */ - public function getBlockNames() + public function getBlockNames(array $context = null, array $blocks = array()) { - return array_keys($this->blocks); + if (null === $context) { + @trigger_error('The '.__METHOD__.' method is internal and should never be called; calling it directly is deprecated since version 1.28 and won\'t be possible anymore in 2.0.', E_USER_DEPRECATED); + + return array_keys($this->blocks); + } + + $names = array_merge(array_keys($blocks), array_keys($this->blocks)); + + if (false !== $parent = $this->getParent($context)) { + $names = array_merge($names, $parent->getBlockNames($context)); + } + + return array_unique($names); + } + + protected function loadTemplate($template, $templateName = null, $line = null, $index = null) + { + try { + if (is_array($template)) { + return $this->env->resolveTemplate($template); + } + + if ($template instanceof self) { + return $template; + } + + if ($template instanceof Twig_TemplateWrapper) { + return $template; + } + + return $this->env->loadTemplate($template, $index); + } catch (Twig_Error $e) { + if (!$e->getSourceContext()) { + $e->setSourceContext($templateName ? new Twig_Source('', $templateName) : $this->getSourceContext()); + } + + if ($e->getTemplateLine()) { + throw $e; + } + + if (!$line) { + $e->guess(); + } else { + $e->setTemplateLine($line); + } + + throw $e; + } } /** @@ -225,24 +391,18 @@ abstract class Twig_Template implements Twig_TemplateInterface * * @return array An array of blocks * - * @see hasBlock + * @internal */ public function getBlocks() { return $this->blocks; } - /** - * {@inheritdoc} - */ public function display(array $context, array $blocks = array()) { - $this->displayWithErrorHandling($this->env->mergeGlobals($context), $blocks); + $this->displayWithErrorHandling($this->env->mergeGlobals($context), array_merge($this->blocks, $blocks)); } - /** - * {@inheritdoc} - */ public function render(array $context) { $level = ob_get_level(); @@ -255,6 +415,12 @@ abstract class Twig_Template implements Twig_TemplateInterface } throw $e; + } catch (Throwable $e) { + while (ob_get_level() > $level) { + ob_end_clean(); + } + + throw $e; } return ob_get_clean(); @@ -265,8 +431,8 @@ abstract class Twig_Template implements Twig_TemplateInterface try { $this->doDisplay($context, $blocks); } catch (Twig_Error $e) { - if (!$e->getTemplateFile()) { - $e->setTemplateFile($this->getTemplateName()); + if (!$e->getSourceContext()) { + $e->setSourceContext($this->getSourceContext()); } // this is mostly useful for Twig_Error_Loader exceptions @@ -278,7 +444,7 @@ abstract class Twig_Template implements Twig_TemplateInterface throw $e; } catch (Exception $e) { - throw new Twig_Error_Runtime(sprintf('An exception has been thrown during the rendering of a template ("%s").', $e->getMessage()), -1, null, $e); + throw new Twig_Error_Runtime(sprintf('An exception has been thrown during the rendering of a template ("%s").', $e->getMessage()), -1, $this->getSourceContext(), $e); } } @@ -301,22 +467,24 @@ abstract class Twig_Template implements Twig_TemplateInterface * access for versions of PHP before 5.4. This is not a way to override * the way to get a variable value. * - * @param array $context The context - * @param string $item The variable to return from the context - * @param Boolean $ignoreStrictCheck Whether to ignore the strict variable check or not + * @param array $context The context + * @param string $item The variable to return from the context + * @param bool $ignoreStrictCheck Whether to ignore the strict variable check or not * - * @return The content of the context variable + * @return mixed The content of the context variable * * @throws Twig_Error_Runtime if the variable does not exist and Twig is running in strict mode + * + * @internal */ final protected function getContext($context, $item, $ignoreStrictCheck = false) { if (!array_key_exists($item, $context)) { if ($ignoreStrictCheck || !$this->env->isStrictVariables()) { - return null; + return; } - throw new Twig_Error_Runtime(sprintf('Variable "%s" does not exist', $item), -1, $this->getTemplateName()); + throw new Twig_Error_Runtime(sprintf('Variable "%s" does not exist.', $item), -1, $this->getSourceContext()); } return $context[$item]; @@ -325,24 +493,26 @@ abstract class Twig_Template implements Twig_TemplateInterface /** * Returns the attribute value for a given array/object. * - * @param mixed $object The object or array from where to get the item - * @param mixed $item The item to get from the array or object - * @param array $arguments An array of arguments to pass if the item is an object method - * @param string $type The type of attribute (@see Twig_Template constants) - * @param Boolean $isDefinedTest Whether this is only a defined check - * @param Boolean $ignoreStrictCheck Whether to ignore the strict attribute check or not + * @param mixed $object The object or array from where to get the item + * @param mixed $item The item to get from the array or object + * @param array $arguments An array of arguments to pass if the item is an object method + * @param string $type The type of attribute (@see Twig_Template constants) + * @param bool $isDefinedTest Whether this is only a defined check + * @param bool $ignoreStrictCheck Whether to ignore the strict attribute check or not * * @return mixed The attribute value, or a Boolean when $isDefinedTest is true, or null when the attribute is not set and $ignoreStrictCheck is true * * @throws Twig_Error_Runtime if the attribute does not exist and Twig is running in strict mode and $isDefinedTest is false + * + * @internal */ - protected function getAttribute($object, $item, array $arguments = array(), $type = Twig_Template::ANY_CALL, $isDefinedTest = false, $ignoreStrictCheck = false) + protected function getAttribute($object, $item, array $arguments = array(), $type = self::ANY_CALL, $isDefinedTest = false, $ignoreStrictCheck = false) { // array - if (Twig_Template::METHOD_CALL !== $type) { + if (self::METHOD_CALL !== $type) { $arrayItem = is_bool($item) || is_float($item) ? (int) $item : $item; - if ((is_array($object) && array_key_exists($arrayItem, $object)) + if ((is_array($object) && (isset($object[$arrayItem]) || array_key_exists($arrayItem, $object))) || ($object instanceof ArrayAccess && isset($object[$arrayItem])) ) { if ($isDefinedTest) { @@ -352,24 +522,38 @@ abstract class Twig_Template implements Twig_TemplateInterface return $object[$arrayItem]; } - if (Twig_Template::ARRAY_CALL === $type || !is_object($object)) { + if (self::ARRAY_CALL === $type || !is_object($object)) { if ($isDefinedTest) { return false; } if ($ignoreStrictCheck || !$this->env->isStrictVariables()) { - return null; + return; } - if (is_object($object)) { - throw new Twig_Error_Runtime(sprintf('Key "%s" in object (with ArrayAccess) of type "%s" does not exist', $arrayItem, get_class($object)), -1, $this->getTemplateName()); + if ($object instanceof ArrayAccess) { + $message = sprintf('Key "%s" in object with ArrayAccess of class "%s" does not exist.', $arrayItem, get_class($object)); + } elseif (is_object($object)) { + $message = sprintf('Impossible to access a key "%s" on an object of class "%s" that does not implement ArrayAccess interface.', $item, get_class($object)); } elseif (is_array($object)) { - throw new Twig_Error_Runtime(sprintf('Key "%s" for array with keys "%s" does not exist', $arrayItem, implode(', ', array_keys($object))), -1, $this->getTemplateName()); - } elseif (Twig_Template::ARRAY_CALL === $type) { - throw new Twig_Error_Runtime(sprintf('Impossible to access a key ("%s") on a %s variable ("%s")', $item, gettype($object), $object), -1, $this->getTemplateName()); + if (empty($object)) { + $message = sprintf('Key "%s" does not exist as the array is empty.', $arrayItem); + } else { + $message = sprintf('Key "%s" for array with keys "%s" does not exist.', $arrayItem, implode(', ', array_keys($object))); + } + } elseif (self::ARRAY_CALL === $type) { + if (null === $object) { + $message = sprintf('Impossible to access a key ("%s") on a null variable.', $item); + } else { + $message = sprintf('Impossible to access a key ("%s") on a %s variable ("%s").', $item, gettype($object), $object); + } + } elseif (null === $object) { + $message = sprintf('Impossible to access an attribute ("%s") on a null variable.', $item); } else { - throw new Twig_Error_Runtime(sprintf('Impossible to access an attribute ("%s") on a %s variable ("%s")', $item, gettype($object), $object), -1, $this->getTemplateName()); + $message = sprintf('Impossible to access an attribute ("%s") on a %s variable ("%s").', $item, gettype($object), $object); } + + throw new Twig_Error_Runtime($message, -1, $this->getSourceContext()); } } @@ -379,139 +563,146 @@ abstract class Twig_Template implements Twig_TemplateInterface } if ($ignoreStrictCheck || !$this->env->isStrictVariables()) { - return null; + return; } - throw new Twig_Error_Runtime(sprintf('Impossible to invoke a method ("%s") on a %s variable ("%s")', $item, gettype($object), $object), -1, $this->getTemplateName()); - } + if (null === $object) { + $message = sprintf('Impossible to invoke a method ("%s") on a null variable.', $item); + } elseif (is_array($object)) { + $message = sprintf('Impossible to invoke a method ("%s") on an array.', $item); + } else { + $message = sprintf('Impossible to invoke a method ("%s") on a %s variable ("%s").', $item, gettype($object), $object); + } - $class = get_class($object); + throw new Twig_Error_Runtime($message, -1, $this->getSourceContext()); + } // object property - if (Twig_Template::METHOD_CALL !== $type) { + if (self::METHOD_CALL !== $type && !$object instanceof self) { // Twig_Template does not have public properties, and we don't want to allow access to internal ones if (isset($object->$item) || array_key_exists((string) $item, $object)) { if ($isDefinedTest) { return true; } - if ($this->env->hasExtension('sandbox')) { - $this->env->getExtension('sandbox')->checkPropertyAllowed($object, $item); + if ($this->env->hasExtension('Twig_Extension_Sandbox')) { + $this->env->getExtension('Twig_Extension_Sandbox')->checkPropertyAllowed($object, $item); } return $object->$item; } } + $class = get_class($object); + // object method - if (!isset(self::$cache[$class]['methods'])) { - self::$cache[$class]['methods'] = array_change_key_case(array_flip(get_class_methods($object))); + if (!isset(self::$cache[$class])) { + // get_class_methods returns all methods accessible in the scope, but we only want public ones to be accessible in templates + if ($object instanceof self) { + $ref = new ReflectionClass($class); + $methods = array(); + + foreach ($ref->getMethods(ReflectionMethod::IS_PUBLIC) as $refMethod) { + // Accessing the environment from templates is forbidden to prevent untrusted changes to the environment + if ('getenvironment' !== strtolower($refMethod->name)) { + $methods[] = $refMethod->name; + } + } + } else { + $methods = get_class_methods($object); + } + // sort values to have consistent behavior, so that "get" methods win precedence over "is" methods + sort($methods); + + $cache = array(); + + foreach ($methods as $method) { + $cache[$method] = $method; + $cache[$lcName = strtolower($method)] = $method; + + if ('g' === $lcName[0] && 0 === strpos($lcName, 'get')) { + $name = substr($method, 3); + $lcName = substr($lcName, 3); + } elseif ('i' === $lcName[0] && 0 === strpos($lcName, 'is')) { + $name = substr($method, 2); + $lcName = substr($lcName, 2); + } else { + continue; + } + + // skip get() and is() methods (in which case, $name is empty) + if ($name) { + if (!isset($cache[$name])) { + $cache[$name] = $method; + } + if (!isset($cache[$lcName])) { + $cache[$lcName] = $method; + } + } + } + self::$cache[$class] = $cache; } - $lcItem = strtolower($item); - if (isset(self::$cache[$class]['methods'][$lcItem])) { - $method = (string) $item; - } elseif (isset(self::$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 = (string) $item; + $call = false; + if (isset(self::$cache[$class][$item])) { + $method = self::$cache[$class][$item]; + } elseif (isset(self::$cache[$class][$lcItem = strtolower($item)])) { + $method = self::$cache[$class][$lcItem]; + } elseif (isset(self::$cache[$class]['__call'])) { + $method = $item; + $call = true; } else { if ($isDefinedTest) { return false; } if ($ignoreStrictCheck || !$this->env->isStrictVariables()) { - return null; + return; } - throw new Twig_Error_Runtime(sprintf('Method "%s" for object "%s" does not exist', $item, get_class($object)), -1, $this->getTemplateName()); + throw new Twig_Error_Runtime(sprintf('Neither the property "%1$s" nor one of the methods "%1$s()", "get%1$s()"/"is%1$s()" or "__call()" exist and have public access in class "%2$s".', $item, $class), -1, $this->getSourceContext()); } if ($isDefinedTest) { return true; } - if ($this->env->hasExtension('sandbox')) { - $this->env->getExtension('sandbox')->checkMethodAllowed($object, $method); - } - - $ret = call_user_func_array(array($object, $method), $arguments); - - // useful when calling a template method from a template - // this is not supported but unfortunately heavily used in the Symfony profiler - if ($object instanceof Twig_TemplateInterface) { - return $ret === '' ? '' : new Twig_Markup($ret, $this->env->getCharset()); - } - - return $ret; - } - - /** - * Calls macro in a template. - * - * @param Twig_Template $template The template - * @param string $macro The name of macro - * @param array $arguments The arguments of macro - * @param array $namedNames An array of names of arguments as keys - * @param integer $namedCount The count of named arguments - * @param integer $positionalCount The count of positional arguments - * - * @return string The content of a macro - * - * @throws Twig_Error_Runtime if the macro is not defined - * @throws Twig_Error_Runtime if the argument is defined twice - * @throws Twig_Error_Runtime if the argument is unknown - */ - protected function callMacro(Twig_Template $template, $macro, array $arguments, array $namedNames = array(), $namedCount = 0, $positionalCount = -1) - { - if (!isset($template->macros[$macro]['reflection'])) { - if (!isset($template->macros[$macro])) { - throw new Twig_Error_Runtime(sprintf('Macro "%s" is not defined in the template "%s".', $macro, $template->getTemplateName())); - } - - $template->macros[$macro]['reflection'] = new ReflectionMethod($template, $template->macros[$macro]['method']); - } - - if ($namedCount < 1) { - return $template->macros[$macro]['reflection']->invokeArgs($template, $arguments); + if ($this->env->hasExtension('Twig_Extension_Sandbox')) { + $this->env->getExtension('Twig_Extension_Sandbox')->checkMethodAllowed($object, $method); } - $i = 0; - $args = array(); - foreach ($template->macros[$macro]['arguments'] as $name => $value) { - if (isset($namedNames[$name])) { - if ($i < $positionalCount) { - throw new Twig_Error_Runtime(sprintf('Argument "%s" is defined twice for macro "%s" defined in the template "%s".', $name, $macro, $template->getTemplateName())); - } - - $args[] = $arguments[$name]; - if (--$namedCount < 1) { - break; - } - } elseif ($i < $positionalCount) { - $args[] = $arguments[$i]; + // Some objects throw exceptions when they have __call, and the method we try + // to call is not supported. If ignoreStrictCheck is true, we should return null. + try { + if (!$arguments) { + $ret = $object->$method(); } else { - $args[] = $value; + $ret = call_user_func_array(array($object, $method), $arguments); } - - $i++; + } catch (BadMethodCallException $e) { + if ($call && ($ignoreStrictCheck || !$this->env->isStrictVariables())) { + return; + } + throw $e; } - if ($namedCount > 0) { - $parameters = array_keys(array_diff_key($namedNames, $template->macros[$macro]['arguments'])); + // @deprecated in 1.28 + if ($object instanceof Twig_TemplateInterface) { + $self = $object->getTemplateName() === $this->getTemplateName(); + $message = sprintf('Calling "%s" on template "%s" from template "%s" is deprecated since version 1.28 and won\'t be supported anymore in 2.0.', $item, $object->getTemplateName(), $this->getTemplateName()); + if ('renderBlock' === $method || 'displayBlock' === $method) { + $message .= sprintf(' Use block("%s"%s) instead).', $arguments[0], $self ? '' : ', template'); + } elseif ('hasBlock' === $method) { + $message .= sprintf(' Use "block("%s"%s) is defined" instead).', $arguments[0], $self ? '' : ', template'); + } elseif ('render' === $method || 'display' === $method) { + $message .= sprintf(' Use include("%s") instead).', $object->getTemplateName()); + } + @trigger_error($message, E_USER_DEPRECATED); - throw new Twig_Error_Runtime(sprintf('Unknown argument%s "%s" for macro "%s" defined in the template "%s".', count($parameters) > 1 ? 's' : '' , implode('", "', $parameters), $macro, $template->getTemplateName())); + return '' === $ret ? '' : new Twig_Markup($ret, $this->env->getCharset()); } - return $template->macros[$macro]['reflection']->invokeArgs($template, $args); - } - - /** - * This method is only useful when testing Twig. Do not use it. - */ - public static function clearCache() - { - self::$cache = array(); + return $ret; } } + +class_alias('Twig_Template', 'Twig\Template', false); |