/**
* {@see \Twig_Extension::getFunctions}.
*/
public function getFunctions()
{
$result = [];
foreach ($this->extension->getFunctions() as $function) {
$callable = $function->getCallable();
$result[] = new \Twig_SimpleFunction($function->getName(), function () use($callable) {
return $this->memoizeCache->memoize($callable, $this->lifeTime);
});
}
return $result;
}
protected function initExtension(Twig_ExtensionInterface $extension)
{
// filters
foreach ($extension->getFilters() as $name => $filter) {
if ($name instanceof Twig_SimpleFilter) {
$filter = $name;
$name = $filter->getName();
} elseif ($filter instanceof Twig_SimpleFilter) {
$name = $filter->getName();
}
$this->filters[$name] = $filter;
}
// functions
foreach ($extension->getFunctions() as $name => $function) {
if ($name instanceof Twig_SimpleFunction) {
$function = $name;
$name = $function->getName();
} elseif ($function instanceof Twig_SimpleFunction) {
$name = $function->getName();
}
$this->functions[$name] = $function;
}
// tests
foreach ($extension->getTests() as $name => $test) {
if ($name instanceof Twig_SimpleTest) {
$test = $name;
$name = $test->getName();
} elseif ($test instanceof Twig_SimpleTest) {
$name = $test->getName();
}
$this->tests[$name] = $test;
}
// token parsers
foreach ($extension->getTokenParsers() as $parser) {
if ($parser instanceof Twig_TokenParserInterface) {
$this->parsers->addTokenParser($parser);
} elseif ($parser instanceof Twig_TokenParserBrokerInterface) {
$this->parsers->addTokenParserBroker($parser);
} else {
throw new LogicException('getTokenParsers() must return an array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances');
}
}
// node visitors
foreach ($extension->getNodeVisitors() as $visitor) {
$this->visitors[] = $visitor;
}
// operators
if ($operators = $extension->getOperators()) {
if (2 !== count($operators)) {
throw new InvalidArgumentException(sprintf('"%s::getOperators()" does not return a valid operators array.', get_class($extension)));
}
$this->unaryOperators = array_merge($this->unaryOperators, $operators[0]);
$this->binaryOperators = array_merge($this->binaryOperators, $operators[1]);
}
}
/**
* Registers an extension.
*
* @param Twig_ExtensionInterface $extension A Twig_ExtensionInterface instance
*/
public function addExtension(Twig_ExtensionInterface $extension)
{
$this->extensions[$extension->getName()] = $extension;
$this->parsers = null;
$this->visitors = null;
$this->filters = null;
$this->tests = null;
$this->functions = null;
$this->globals = null;
}
public function addExtension(Twig_ExtensionInterface $extension)
{
$this->extensions[$extension->getName()] = $extension;
}
protected function initExtension(Twig_ExtensionInterface $extension)
{
// filters
foreach ($extension->getFilters() as $name => $filter) {
if ($filter instanceof Twig_SimpleFilter) {
$name = $filter->getName();
} else {
@trigger_error(sprintf('Using an instance of "%s" for filter "%s" is deprecated since version 1.21. Use Twig_SimpleFilter instead.', get_class($filter), $name), E_USER_DEPRECATED);
}
$this->filters[$name] = $filter;
}
// functions
foreach ($extension->getFunctions() as $name => $function) {
if ($function instanceof Twig_SimpleFunction) {
$name = $function->getName();
} else {
@trigger_error(sprintf('Using an instance of "%s" for function "%s" is deprecated since version 1.21. Use Twig_SimpleFunction instead.', get_class($function), $name), E_USER_DEPRECATED);
}
$this->functions[$name] = $function;
}
// tests
foreach ($extension->getTests() as $name => $test) {
if ($test instanceof Twig_SimpleTest) {
$name = $test->getName();
} else {
@trigger_error(sprintf('Using an instance of "%s" for test "%s" is deprecated since version 1.21. Use Twig_SimpleTest instead.', get_class($test), $name), E_USER_DEPRECATED);
}
$this->tests[$name] = $test;
}
// token parsers
foreach ($extension->getTokenParsers() as $parser) {
if ($parser instanceof Twig_TokenParserInterface) {
$this->parsers->addTokenParser($parser);
} elseif ($parser instanceof Twig_TokenParserBrokerInterface) {
@trigger_error('Registering a Twig_TokenParserBrokerInterface instance is deprecated since version 1.21.', E_USER_DEPRECATED);
$this->parsers->addTokenParserBroker($parser);
} else {
throw new LogicException('getTokenParsers() must return an array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances');
}
}
// node visitors
foreach ($extension->getNodeVisitors() as $visitor) {
$this->visitors[] = $visitor;
}
// operators
if ($operators = $extension->getOperators()) {
if (2 !== count($operators)) {
throw new InvalidArgumentException(sprintf('"%s::getOperators()" does not return a valid operators array.', get_class($extension)));
}
$this->unaryOperators = array_merge($this->unaryOperators, $operators[0]);
$this->binaryOperators = array_merge($this->binaryOperators, $operators[1]);
}
}
private function initExtension(Twig_ExtensionInterface $extension)
{
// filters
foreach ($extension->getFilters() as $filter) {
$this->filters[$filter->getName()] = $filter;
}
// functions
foreach ($extension->getFunctions() as $function) {
$this->functions[$function->getName()] = $function;
}
// tests
foreach ($extension->getTests() as $test) {
$this->tests[$test->getName()] = $test;
}
// token parsers
foreach ($extension->getTokenParsers() as $parser) {
if (!$parser instanceof Twig_TokenParserInterface) {
throw new LogicException('getTokenParsers() must return an array of Twig_TokenParserInterface');
}
$this->parsers[] = $parser;
}
// node visitors
foreach ($extension->getNodeVisitors() as $visitor) {
$this->visitors[] = $visitor;
}
// operators
if ($operators = $extension->getOperators()) {
if (2 !== count($operators)) {
throw new InvalidArgumentException(sprintf('"%s::getOperators()" does not return a valid operators array.', get_class($extension)));
}
$this->unaryOperators = array_merge($this->unaryOperators, $operators[0]);
$this->binaryOperators = array_merge($this->binaryOperators, $operators[1]);
}
}
/**
* Add twig extension
*
* @param \Twig_ExtensionInterface $extension
*
* @return \Bridge\Bundle\TwigBundle\TwigTemplating
*/
public function addExtension(\Twig_ExtensionInterface $extension)
{
if ($extension instanceof ContainerAwareInterface) {
$extension->setContainer($this->container);
}
if ($extension instanceof AbstractExtension) {
$extension->setEngine($this->twigEngine);
}
$this->environment->addExtension($extension);
return $this;
}
