<?php
namespace MailPoetVendor\Twig;
if (!defined('ABSPATH')) exit;
use MailPoetVendor\Twig\Error\RuntimeError;
use MailPoetVendor\Twig\Extension\ExtensionInterface;
use MailPoetVendor\Twig\Extension\GlobalsInterface;
use MailPoetVendor\Twig\Extension\StagingExtension;
use MailPoetVendor\Twig\Node\Expression\AbstractExpression;
use MailPoetVendor\Twig\Node\Expression\Binary\AbstractBinary;
use MailPoetVendor\Twig\Node\Expression\Unary\AbstractUnary;
use MailPoetVendor\Twig\NodeVisitor\NodeVisitorInterface;
use MailPoetVendor\Twig\TokenParser\TokenParserInterface;
final class ExtensionSet
{
 private $extensions;
 private $initialized = \false;
 private $runtimeInitialized = \false;
 private $staging;
 private $parsers;
 private $visitors;
 private $filters;
 private $tests;
 private $functions;
 private $unaryOperators;
 private $binaryOperators;
 private $globals;
 private $functionCallbacks = [];
 private $filterCallbacks = [];
 private $parserCallbacks = [];
 private $lastModified = 0;
 public function __construct()
 {
 $this->staging = new StagingExtension();
 }
 public function initRuntime()
 {
 $this->runtimeInitialized = \true;
 }
 public function hasExtension(string $class) : bool
 {
 return isset($this->extensions[\ltrim($class, '\\')]);
 }
 public function getExtension(string $class) : ExtensionInterface
 {
 $class = \ltrim($class, '\\');
 if (!isset($this->extensions[$class])) {
 throw new RuntimeError(\sprintf('The "%s" extension is not enabled.', $class));
 }
 return $this->extensions[$class];
 }
 public function setExtensions(array $extensions) : void
 {
 foreach ($extensions as $extension) {
 $this->addExtension($extension);
 }
 }
 public function getExtensions() : array
 {
 return $this->extensions;
 }
 public function getSignature() : string
 {
 return \json_encode(\array_keys($this->extensions));
 }
 public function isInitialized() : bool
 {
 return $this->initialized || $this->runtimeInitialized;
 }
 public function getLastModified() : int
 {
 if (0 !== $this->lastModified) {
 return $this->lastModified;
 }
 foreach ($this->extensions as $extension) {
 $r = new \ReflectionObject($extension);
 if (\is_file($r->getFileName()) && ($extensionTime = \filemtime($r->getFileName())) > $this->lastModified) {
 $this->lastModified = $extensionTime;
 }
 }
 return $this->lastModified;
 }
 public function addExtension(ExtensionInterface $extension) : void
 {
 $class = \get_class($extension);
 if ($this->initialized) {
 throw new \LogicException(\sprintf('Unable to register extension "%s" as extensions have already been initialized.', $class));
 }
 if (isset($this->extensions[$class])) {
 throw new \LogicException(\sprintf('Unable to register extension "%s" as it is already registered.', $class));
 }
 $this->extensions[$class] = $extension;
 }
 public function addFunction(TwigFunction $function) : void
 {
 if ($this->initialized) {
 throw new \LogicException(\sprintf('Unable to add function "%s" as extensions have already been initialized.', $function->getName()));
 }
 $this->staging->addFunction($function);
 }
 public function getFunctions() : array
 {
 if (!$this->initialized) {
 $this->initExtensions();
 }
 return $this->functions;
 }
 public function getFunction(string $name) : ?TwigFunction
 {
 if (!$this->initialized) {
 $this->initExtensions();
 }
 if (isset($this->functions[$name])) {
 return $this->functions[$name];
 }
 foreach ($this->functions as $pattern => $function) {
 $pattern = \str_replace('\\*', '(.*?)', \preg_quote($pattern, '#'), $count);
 if ($count && \preg_match('#^' . $pattern . '$#', $name, $matches)) {
 \array_shift($matches);
 $function->setArguments($matches);
 return $function;
 }
 }
 foreach ($this->functionCallbacks as $callback) {
 if (\false !== ($function = $callback($name))) {
 return $function;
 }
 }
 return null;
 }
 public function registerUndefinedFunctionCallback(callable $callable) : void
 {
 $this->functionCallbacks[] = $callable;
 }
 public function addFilter(TwigFilter $filter) : void
 {
 if ($this->initialized) {
 throw new \LogicException(\sprintf('Unable to add filter "%s" as extensions have already been initialized.', $filter->getName()));
 }
 $this->staging->addFilter($filter);
 }
 public function getFilters() : array
 {
 if (!$this->initialized) {
 $this->initExtensions();
 }
 return $this->filters;
 }
 public function getFilter(string $name) : ?TwigFilter
 {
 if (!$this->initialized) {
 $this->initExtensions();
 }
 if (isset($this->filters[$name])) {
 return $this->filters[$name];
 }
 foreach ($this->filters as $pattern => $filter) {
 $pattern = \str_replace('\\*', '(.*?)', \preg_quote($pattern, '#'), $count);
 if ($count && \preg_match('#^' . $pattern . '$#', $name, $matches)) {
 \array_shift($matches);
 $filter->setArguments($matches);
 return $filter;
 }
 }
 foreach ($this->filterCallbacks as $callback) {
 if (\false !== ($filter = $callback($name))) {
 return $filter;
 }
 }
 return null;
 }
 public function registerUndefinedFilterCallback(callable $callable) : void
 {
 $this->filterCallbacks[] = $callable;
 }
 public function addNodeVisitor(NodeVisitorInterface $visitor) : void
 {
 if ($this->initialized) {
 throw new \LogicException('Unable to add a node visitor as extensions have already been initialized.');
 }
 $this->staging->addNodeVisitor($visitor);
 }
 public function getNodeVisitors() : array
 {
 if (!$this->initialized) {
 $this->initExtensions();
 }
 return $this->visitors;
 }
 public function addTokenParser(TokenParserInterface $parser) : void
 {
 if ($this->initialized) {
 throw new \LogicException('Unable to add a token parser as extensions have already been initialized.');
 }
 $this->staging->addTokenParser($parser);
 }
 public function getTokenParsers() : array
 {
 if (!$this->initialized) {
 $this->initExtensions();
 }
 return $this->parsers;
 }
 public function getTokenParser(string $name) : ?TokenParserInterface
 {
 if (!$this->initialized) {
 $this->initExtensions();
 }
 if (isset($this->parsers[$name])) {
 return $this->parsers[$name];
 }
 foreach ($this->parserCallbacks as $callback) {
 if (\false !== ($parser = $callback($name))) {
 return $parser;
 }
 }
 return null;
 }
 public function registerUndefinedTokenParserCallback(callable $callable) : void
 {
 $this->parserCallbacks[] = $callable;
 }
 public function getGlobals() : array
 {
 if (null !== $this->globals) {
 return $this->globals;
 }
 $globals = [];
 foreach ($this->extensions as $extension) {
 if (!$extension instanceof GlobalsInterface) {
 continue;
 }
 $extGlobals = $extension->getGlobals();
 if (!\is_array($extGlobals)) {
 throw new \UnexpectedValueException(\sprintf('"%s::getGlobals()" must return an array of globals.', \get_class($extension)));
 }
 $globals = \array_merge($globals, $extGlobals);
 }
 if ($this->initialized) {
 $this->globals = $globals;
 }
 return $globals;
 }
 public function addTest(TwigTest $test) : void
 {
 if ($this->initialized) {
 throw new \LogicException(\sprintf('Unable to add test "%s" as extensions have already been initialized.', $test->getName()));
 }
 $this->staging->addTest($test);
 }
 public function getTests() : array
 {
 if (!$this->initialized) {
 $this->initExtensions();
 }
 return $this->tests;
 }
 public function getTest(string $name) : ?TwigTest
 {
 if (!$this->initialized) {
 $this->initExtensions();
 }
 if (isset($this->tests[$name])) {
 return $this->tests[$name];
 }
 foreach ($this->tests as $pattern => $test) {
 $pattern = \str_replace('\\*', '(.*?)', \preg_quote($pattern, '#'), $count);
 if ($count) {
 if (\preg_match('#^' . $pattern . '$#', $name, $matches)) {
 \array_shift($matches);
 $test->setArguments($matches);
 return $test;
 }
 }
 }
 return null;
 }
 public function getUnaryOperators() : array
 {
 if (!$this->initialized) {
 $this->initExtensions();
 }
 return $this->unaryOperators;
 }
 public function getBinaryOperators() : array
 {
 if (!$this->initialized) {
 $this->initExtensions();
 }
 return $this->binaryOperators;
 }
 private function initExtensions() : void
 {
 $this->parsers = [];
 $this->filters = [];
 $this->functions = [];
 $this->tests = [];
 $this->visitors = [];
 $this->unaryOperators = [];
 $this->binaryOperators = [];
 foreach ($this->extensions as $extension) {
 $this->initExtension($extension);
 }
 $this->initExtension($this->staging);
 // Done at the end only, so that an exception during initialization does not mark the environment as initialized when catching the exception
 $this->initialized = \true;
 }
 private function initExtension(ExtensionInterface $extension) : void
 {
 // filters
 foreach ($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 TokenParserInterface) {
 throw new \LogicException('getTokenParsers() must return an array of \\Twig\\TokenParser\\TokenParserInterface.');
 }
 $this->parsers[$parser->getTag()] = $parser;
 }
 // node visitors
 foreach ($extension->getNodeVisitors() as $visitor) {
 $this->visitors[] = $visitor;
 }
 // operators
 if ($operators = $extension->getOperators()) {
 if (!\is_array($operators)) {
 throw new \InvalidArgumentException(\sprintf('"%s::getOperators()" must return an array with operators, got "%s".', \get_class($extension), \is_object($operators) ? \get_class($operators) : \gettype($operators) . (\is_resource($operators) ? '' : '#' . $operators)));
 }
 if (2 !== \count($operators)) {
 throw new \InvalidArgumentException(\sprintf('"%s::getOperators()" must return an array of 2 elements, got %d.', \get_class($extension), \count($operators)));
 }
 $this->unaryOperators = \array_merge($this->unaryOperators, $operators[0]);
 $this->binaryOperators = \array_merge($this->binaryOperators, $operators[1]);
 }
 }
}
