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<?php |
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/* |
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* This file is part of the league/commonmark package. |
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* |
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* (c) Colin O'Dell <[email protected]> |
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* |
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* Original code based on the CommonMark JS reference parser (https://bitly.com/commonmark-js) |
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* - (c) John MacFarlane |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace League\CommonMark; |
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use League\CommonMark\Block\Parser\BlockParserInterface; |
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use League\CommonMark\Block\Renderer\BlockRendererInterface; |
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use League\CommonMark\Extension\CommonMarkCoreExtension; |
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use League\CommonMark\Extension\ExtensionInterface; |
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use League\CommonMark\Extension\MiscExtension; |
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use League\CommonMark\Inline\Parser\InlineParserInterface; |
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use League\CommonMark\Inline\Processor\InlineProcessorInterface; |
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use League\CommonMark\Inline\Renderer\InlineRendererInterface; |
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use League\CommonMark\Util\Configuration; |
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use League\CommonMark\Util\ConfigurationAwareInterface; |
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class Environment |
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{ |
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const HTML_INPUT_STRIP = 'strip'; |
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const HTML_INPUT_ESCAPE = 'escape'; |
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const HTML_INPUT_ALLOW = 'allow'; |
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/** |
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* @var ExtensionInterface[] |
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*/ |
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protected $extensions = []; |
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/** |
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* @var bool |
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*/ |
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protected $extensionsInitialized = false; |
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/** |
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* @var BlockParserInterface[] |
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*/ |
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protected $blockParsers = []; |
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/** |
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* @var InlineParserInterface[] |
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*/ |
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protected $inlineParsers = []; |
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/** |
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* @var array |
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*/ |
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protected $inlineParsersByCharacter = []; |
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/** |
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* @var DocumentProcessorInterface[] |
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*/ |
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protected $documentProcessors = []; |
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/** |
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* @var InlineProcessorInterface[] |
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*/ |
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protected $inlineProcessors = []; |
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/** |
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* @var BlockRendererInterface[] |
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*/ |
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protected $blockRenderersByClass = []; |
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/** |
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* @var InlineRendererInterface[] |
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*/ |
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protected $inlineRenderersByClass = []; |
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/** |
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* @var Configuration |
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*/ |
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protected $config; |
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/** |
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* @var string |
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*/ |
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protected $inlineParserCharacterRegex; |
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2049 |
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public function __construct(array $config = []) |
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{ |
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2049 |
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$this->config = new Configuration($config); |
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} |
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/** |
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* @param array $config |
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*/ |
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1947 |
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public function mergeConfig(array $config = []) |
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3 |
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{ |
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1947 |
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$this->assertUninitialized('Failed to modify configuration.'); |
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$this->config->mergeConfig($config); |
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} |
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/** |
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* @param array $config |
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*/ |
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public function setConfig(array $config = []) |
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{ |
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$this->assertUninitialized('Failed to modify configuration.'); |
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$this->config->setConfig($config); |
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} |
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/** |
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* @param string|null $key |
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* @param mixed $default |
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* |
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* @return mixed |
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*/ |
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public function getConfig($key = null, $default = null) |
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{ |
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return $this->config->getConfig($key, $default); |
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} |
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/** |
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* @param BlockParserInterface $parser |
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* |
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* @return $this |
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*/ |
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public function addBlockParser(BlockParserInterface $parser) |
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{ |
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$this->assertUninitialized('Failed to add block parser.'); |
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$this->getMiscExtension()->addBlockParser($parser); |
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return $this; |
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} |
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/** |
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* @param InlineParserInterface $parser |
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* |
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* @return $this |
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*/ |
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public function addInlineParser(InlineParserInterface $parser) |
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{ |
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$this->assertUninitialized('Failed to add inline parser.'); |
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$this->getMiscExtension()->addInlineParser($parser); |
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return $this; |
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} |
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/** |
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* @param InlineProcessorInterface $processor |
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* |
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* @return $this |
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*/ |
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public function addInlineProcessor(InlineProcessorInterface $processor) |
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{ |
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$this->assertUninitialized('Failed to add inline processor.'); |
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$this->getMiscExtension()->addInlineProcessor($processor); |
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return $this; |
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} |
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/** |
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* @param DocumentProcessorInterface $processor |
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* |
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* @return $this |
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*/ |
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public function addDocumentProcessor(DocumentProcessorInterface $processor) |
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{ |
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$this->assertUninitialized('Failed to add document processor.'); |
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$this->getMiscExtension()->addDocumentProcessor($processor); |
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return $this; |
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} |
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/** |
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* @param string $blockClass |
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* @param BlockRendererInterface $blockRenderer |
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* |
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* @return $this |
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*/ |
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public function addBlockRenderer($blockClass, BlockRendererInterface $blockRenderer) |
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{ |
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$this->assertUninitialized('Failed to add block renderer.'); |
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$this->getMiscExtension()->addBlockRenderer($blockClass, $blockRenderer); |
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return $this; |
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} |
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/** |
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* @param string $inlineClass |
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* @param InlineRendererInterface $renderer |
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* |
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* @return $this |
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*/ |
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public function addInlineRenderer($inlineClass, InlineRendererInterface $renderer) |
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{ |
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$this->assertUninitialized('Failed to add inline renderer.'); |
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$this->getMiscExtension()->addInlineRenderer($inlineClass, $renderer); |
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return $this; |
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} |
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/** |
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* @return BlockParserInterface[] |
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*/ |
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public function getBlockParsers() |
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{ |
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$this->initializeExtensions(); |
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return $this->blockParsers; |
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} |
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/** |
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* @param string $name |
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* |
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* @return InlineParserInterface |
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*/ |
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public function getInlineParser($name) |
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{ |
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$this->initializeExtensions(); |
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return $this->inlineParsers[$name]; |
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} |
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/** |
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* @return InlineParserInterface[] |
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*/ |
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public function getInlineParsers() |
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{ |
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$this->initializeExtensions(); |
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return $this->inlineParsers; |
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} |
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/** |
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* @param string $character |
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* |
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* @return InlineParserInterface[] |
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*/ |
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public function getInlineParsersForCharacter($character) |
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{ |
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$this->initializeExtensions(); |
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if (!isset($this->inlineParsersByCharacter[$character])) { |
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return []; |
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} |
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return $this->inlineParsersByCharacter[$character]; |
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} |
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/** |
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* @return InlineProcessorInterface[] |
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*/ |
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public function getInlineProcessors() |
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{ |
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$this->initializeExtensions(); |
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return $this->inlineProcessors; |
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} |
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/** |
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* @return DocumentProcessorInterface[] |
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*/ |
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public function getDocumentProcessors() |
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{ |
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$this->initializeExtensions(); |
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return $this->documentProcessors; |
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} |
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/** |
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* @param string $blockClass |
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* |
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* @return BlockRendererInterface|null |
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*/ |
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public function getBlockRendererForClass($blockClass) |
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{ |
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$this->initializeExtensions(); |
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if (!isset($this->blockRenderersByClass[$blockClass])) { |
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return; |
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} |
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return $this->blockRenderersByClass[$blockClass]; |
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} |
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/** |
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* @param string $inlineClass |
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* |
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* @return InlineRendererInterface|null |
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*/ |
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public function getInlineRendererForClass($inlineClass) |
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{ |
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$this->initializeExtensions(); |
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if (!isset($this->inlineRenderersByClass[$inlineClass])) { |
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return; |
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} |
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return $this->inlineRenderersByClass[$inlineClass]; |
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} |
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public function createInlineParserEngine() |
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{ |
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$this->initializeExtensions(); |
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return new InlineParserEngine($this); |
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} |
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/** |
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* Get all registered extensions |
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* |
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* @return ExtensionInterface[] |
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*/ |
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15 |
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public function getExtensions() |
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{ |
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return $this->extensions; |
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} |
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/** |
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* Add a single extension |
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* |
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* @param ExtensionInterface $extension |
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* |
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* @return $this |
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*/ |
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1986 |
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public function addExtension(ExtensionInterface $extension) |
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{ |
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$this->assertUninitialized('Failed to add extension.'); |
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$this->extensions[] = $extension; |
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return $this; |
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} |
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344
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2010 |
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protected function initializeExtensions() |
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345
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{ |
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// Only initialize them once |
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347
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2010 |
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if ($this->extensionsInitialized) { |
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1941 |
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return; |
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} |
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2010 |
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$this->extensionsInitialized = true; |
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353
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// Initialize all the registered extensions |
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354
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2010 |
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foreach ($this->extensions as $extension) { |
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355
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1968 |
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$this->initializeExtension($extension); |
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} |
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358
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// Lastly, let's build a regex which matches non-inline characters |
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359
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// This will enable a huge performance boost with inline parsing |
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360
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2010 |
|
$this->buildInlineParserCharacterRegex(); |
|
361
|
2010 |
|
} |
|
362
|
|
|
|
|
363
|
|
|
/** |
|
364
|
|
|
* @param ExtensionInterface $extension |
|
365
|
|
|
*/ |
|
366
|
1968 |
|
protected function initializeExtension(ExtensionInterface $extension) |
|
367
|
|
|
{ |
|
368
|
1968 |
|
$this->initalizeBlockParsers($extension->getBlockParsers()); |
|
369
|
1968 |
|
$this->initializeInlineParsers($extension->getInlineParsers()); |
|
370
|
1968 |
|
$this->initializeInlineProcessors($extension->getInlineProcessors()); |
|
371
|
1968 |
|
$this->initializeDocumentProcessors($extension->getDocumentProcessors()); |
|
372
|
1968 |
|
$this->initializeBlockRenderers($extension->getBlockRenderers()); |
|
373
|
1968 |
|
$this->initializeInlineRenderers($extension->getInlineRenderers()); |
|
374
|
1968 |
|
} |
|
375
|
|
|
|
|
376
|
|
|
/** |
|
377
|
|
|
* @param BlockParserInterface[] $blockParsers |
|
378
|
|
|
*/ |
|
379
|
1968 |
|
private function initalizeBlockParsers($blockParsers) |
|
380
|
|
|
{ |
|
381
|
1968 |
|
foreach ($blockParsers as $blockParser) { |
|
382
|
1938 |
|
if ($blockParser instanceof EnvironmentAwareInterface) { |
|
383
|
|
|
$blockParser->setEnvironment($this); |
|
384
|
|
|
} |
|
385
|
|
|
|
|
386
|
1938 |
|
if ($blockParser instanceof ConfigurationAwareInterface) { |
|
387
|
|
|
$blockParser->setConfiguration($this->config); |
|
388
|
|
|
} |
|
389
|
|
|
|
|
390
|
1938 |
|
$this->blockParsers[$blockParser->getName()] = $blockParser; |
|
391
|
1968 |
|
} |
|
392
|
1968 |
|
} |
|
393
|
|
|
|
|
394
|
|
|
/** |
|
395
|
|
|
* @param InlineParserInterface[] $inlineParsers |
|
396
|
|
|
*/ |
|
397
|
1968 |
|
private function initializeInlineParsers($inlineParsers) |
|
398
|
|
|
{ |
|
399
|
1968 |
|
foreach ($inlineParsers as $inlineParser) { |
|
400
|
1947 |
|
if ($inlineParser instanceof EnvironmentAwareInterface) { |
|
401
|
1935 |
|
$inlineParser->setEnvironment($this); |
|
402
|
1935 |
|
} |
|
403
|
|
|
|
|
404
|
1947 |
|
if ($inlineParser instanceof ConfigurationAwareInterface) { |
|
405
|
|
|
$inlineParser->setConfiguration($this->config); |
|
406
|
|
|
} |
|
407
|
|
|
|
|
408
|
1947 |
|
$this->inlineParsers[$inlineParser->getName()] = $inlineParser; |
|
409
|
|
|
|
|
410
|
1947 |
|
foreach ($inlineParser->getCharacters() as $character) { |
|
411
|
1947 |
|
$this->inlineParsersByCharacter[$character][] = $inlineParser; |
|
412
|
1947 |
|
} |
|
413
|
1968 |
|
} |
|
414
|
1968 |
|
} |
|
415
|
|
|
|
|
416
|
|
|
/** |
|
417
|
|
|
* @param InlineProcessorInterface[] $inlineProcessors |
|
418
|
|
|
*/ |
|
419
|
1968 |
|
private function initializeInlineProcessors($inlineProcessors) |
|
420
|
|
|
{ |
|
421
|
1968 |
|
foreach ($inlineProcessors as $inlineProcessor) { |
|
422
|
1938 |
|
$this->inlineProcessors[] = $inlineProcessor; |
|
423
|
|
|
|
|
424
|
1938 |
|
if ($inlineProcessor instanceof ConfigurationAwareInterface) { |
|
425
|
|
|
$inlineProcessor->setConfiguration($this->config); |
|
426
|
|
|
} |
|
427
|
1968 |
|
} |
|
428
|
1968 |
|
} |
|
429
|
|
|
|
|
430
|
|
|
/** |
|
431
|
|
|
* @param DocumentProcessorInterface[] $documentProcessors |
|
432
|
|
|
*/ |
|
433
|
1968 |
|
private function initializeDocumentProcessors($documentProcessors) |
|
434
|
|
|
{ |
|
435
|
1968 |
|
foreach ($documentProcessors as $documentProcessor) { |
|
436
|
3 |
|
$this->documentProcessors[] = $documentProcessor; |
|
437
|
|
|
|
|
438
|
3 |
|
if ($documentProcessor instanceof ConfigurationAwareInterface) { |
|
439
|
|
|
$documentProcessor->setConfiguration($this->config); |
|
440
|
|
|
} |
|
441
|
1968 |
|
} |
|
442
|
1968 |
|
} |
|
443
|
|
|
|
|
444
|
|
|
/** |
|
445
|
|
|
* @param BlockRendererInterface[] $blockRenderers |
|
446
|
|
|
*/ |
|
447
|
1968 |
|
private function initializeBlockRenderers($blockRenderers) |
|
448
|
|
|
{ |
|
449
|
1968 |
|
foreach ($blockRenderers as $class => $blockRenderer) { |
|
450
|
1941 |
|
$this->blockRenderersByClass[$class] = $blockRenderer; |
|
451
|
|
|
|
|
452
|
1941 |
|
if ($blockRenderer instanceof ConfigurationAwareInterface) { |
|
453
|
1935 |
|
$blockRenderer->setConfiguration($this->config); |
|
454
|
1935 |
|
} |
|
455
|
1968 |
|
} |
|
456
|
1968 |
|
} |
|
457
|
|
|
|
|
458
|
|
|
/** |
|
459
|
|
|
* @param InlineRendererInterface[] $inlineRenderers |
|
460
|
|
|
*/ |
|
461
|
1968 |
|
private function initializeInlineRenderers($inlineRenderers) |
|
462
|
|
|
{ |
|
463
|
1968 |
|
foreach ($inlineRenderers as $class => $inlineRenderer) { |
|
464
|
1941 |
|
$this->inlineRenderersByClass[$class] = $inlineRenderer; |
|
465
|
|
|
|
|
466
|
1941 |
|
if ($inlineRenderer instanceof ConfigurationAwareInterface) { |
|
467
|
1935 |
|
$inlineRenderer->setConfiguration($this->config); |
|
468
|
1935 |
|
} |
|
469
|
1968 |
|
} |
|
470
|
1968 |
|
} |
|
471
|
|
|
|
|
472
|
|
|
/** |
|
473
|
|
|
* @return Environment |
|
474
|
|
|
*/ |
|
475
|
1941 |
|
public static function createCommonMarkEnvironment() |
|
476
|
|
|
{ |
|
477
|
1941 |
|
$environment = new static(); |
|
478
|
1941 |
|
$environment->addExtension(new CommonMarkCoreExtension()); |
|
479
|
1941 |
|
$environment->mergeConfig([ |
|
480
|
|
|
'renderer' => [ |
|
481
|
1941 |
|
'block_separator' => "\n", |
|
482
|
1941 |
|
'inner_separator' => "\n", |
|
483
|
1941 |
|
'soft_break' => "\n", |
|
484
|
1941 |
|
], |
|
485
|
1941 |
|
'safe' => false, // deprecated option |
|
486
|
1941 |
|
'html_input' => self::HTML_INPUT_ALLOW, |
|
487
|
1941 |
|
'allow_unsafe_links' => true, |
|
488
|
1941 |
|
]); |
|
489
|
|
|
|
|
490
|
1941 |
|
return $environment; |
|
491
|
|
|
} |
|
492
|
|
|
|
|
493
|
|
|
/** |
|
494
|
|
|
* Regex which matches any character which doesn't indicate an inline element |
|
495
|
|
|
* |
|
496
|
|
|
* This allows us to parse multiple non-special characters at once |
|
497
|
|
|
* |
|
498
|
|
|
* @return string |
|
499
|
|
|
*/ |
|
500
|
1542 |
|
public function getInlineParserCharacterRegex() |
|
501
|
|
|
{ |
|
502
|
1542 |
|
return $this->inlineParserCharacterRegex; |
|
503
|
|
|
} |
|
504
|
|
|
|
|
505
|
2010 |
|
private function buildInlineParserCharacterRegex() |
|
506
|
|
|
{ |
|
507
|
2010 |
|
$chars = array_keys($this->inlineParsersByCharacter); |
|
508
|
|
|
|
|
509
|
2010 |
|
if (empty($chars)) { |
|
510
|
|
|
// If no special inline characters exist then parse the whole line |
|
511
|
63 |
|
$this->inlineParserCharacterRegex = '/^.+$/u'; |
|
512
|
63 |
|
} else { |
|
513
|
|
|
// Match any character which inline parsers are not interested in |
|
514
|
1947 |
|
$this->inlineParserCharacterRegex = '/^[^' . preg_quote(implode('', $chars), '/') . ']+/u'; |
|
515
|
|
|
} |
|
516
|
2010 |
|
} |
|
517
|
|
|
|
|
518
|
|
|
/** |
|
519
|
|
|
* @param string $message |
|
520
|
|
|
* |
|
521
|
|
|
* @throws \RuntimeException |
|
522
|
|
|
*/ |
|
523
|
2016 |
|
private function assertUninitialized($message) |
|
524
|
|
|
{ |
|
525
|
2016 |
|
if ($this->extensionsInitialized) { |
|
526
|
27 |
|
throw new \RuntimeException($message . ' Extensions have already been initialized.'); |
|
527
|
|
|
} |
|
528
|
1989 |
|
} |
|
529
|
|
|
|
|
530
|
|
|
/** |
|
531
|
|
|
* @return MiscExtension |
|
532
|
|
|
*/ |
|
533
|
36 |
|
private function getMiscExtension() |
|
534
|
|
|
{ |
|
535
|
36 |
|
$lastExtension = end($this->extensions); |
|
536
|
36 |
|
if ($lastExtension !== false && $lastExtension instanceof MiscExtension) { |
|
537
|
6 |
|
return $lastExtension; |
|
538
|
|
|
} |
|
539
|
|
|
|
|
540
|
36 |
|
$miscExtension = new MiscExtension(); |
|
541
|
36 |
|
$this->addExtension($miscExtension); |
|
542
|
|
|
|
|
543
|
36 |
|
return $miscExtension; |
|
544
|
|
|
} |
|
545
|
|
|
} |
|
546
|
|
|
|