Twig update to latest Twig 1.x legacy as per vichan

This commit is contained in:
Benjamin Southall 2019-02-26 10:11:12 +10:00
parent 4ecd84f81d
commit e6c07544da
198 changed files with 6150 additions and 2506 deletions

View file

@ -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.
* @param string $name The block name
* @param array $context The context
* @param array $blocks The current set of blocks
*
* 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.
* @return bool true if the block exists, false otherwise
*
* @param string $name The block name
*
* @return Boolean true if the block exists, false otherwise
* @internal
*/
public function hasBlock($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();
@ -254,6 +414,12 @@ abstract class Twig_Template implements Twig_TemplateInterface
ob_end_clean();
}
throw $e;
} catch (Throwable $e) {
while (ob_get_level() > $level) {
ob_end_clean();
}
throw $e;
}
@ -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), $object);
}
throw new Twig_Error_Runtime($message, -1, $this->getSourceContext());
}
$class = get_class($object);
// 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, $method);
if ($this->env->hasExtension('Twig_Extension_Sandbox')) {
$this->env->getExtension('Twig_Extension_Sandbox')->checkMethodAllowed($object, $method);
}
$ret = call_user_func_array(array($object, $method), $arguments);
// Some objects throw exceptions when they have __call, and the method we try
// to call is not supported. If ignoreStrictCheck is true, we should return null.
try {
if (!$arguments) {
$ret = $object->$method();
} else {
$ret = call_user_func_array(array($object, $method), $arguments);
}
} catch (BadMethodCallException $e) {
if ($call && ($ignoreStrictCheck || !$this->env->isStrictVariables())) {
return;
}
throw $e;
}
// useful when calling a template method from a template
// this is not supported but unfortunately heavily used in the Symfony profiler
// @deprecated in 1.28
if ($object instanceof Twig_TemplateInterface) {
return $ret === '' ? '' : new Twig_Markup($ret, $this->env->getCharset());
$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);
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);
}
$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];
} else {
$args[] = $value;
}
$i++;
}
if ($namedCount > 0) {
$parameters = array_keys(array_diff_key($namedNames, $template->macros[$macro]['arguments']));
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 $template->macros[$macro]['reflection']->invokeArgs($template, $args);
}
/**
* This method is only useful when testing Twig. Do not use it.
*/
public static function clearCache()
{
self::$cache = array();
}
}
class_alias('Twig_Template', 'Twig\Template', false);