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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\Element\AbstractBlock; |
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use League\CommonMark\Block\Element\Document; |
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/** |
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* Parses Markdown into an AST |
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*/ |
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class Context implements ContextInterface |
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{ |
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/** |
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* @var Environment |
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*/ |
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protected $environment; |
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/** |
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* @var AbstractBlock |
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*/ |
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protected $doc; |
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/** |
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* @var AbstractBlock|null |
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*/ |
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protected $tip; |
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/** |
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* @var AbstractBlock |
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*/ |
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protected $container; |
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/** |
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* @var int |
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*/ |
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protected $lineNumber; |
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/** |
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* @var string |
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*/ |
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protected $line; |
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/** |
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* @var UnmatchedBlockCloser |
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*/ |
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protected $blockCloser; |
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/** |
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* @var bool |
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*/ |
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protected $blocksParsed = false; |
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protected $encoding = 'UTF-8'; |
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protected $referenceParser; |
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public function __construct(Document $document, Environment $environment) |
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{ |
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$this->doc = $document; |
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$this->tip = $this->doc; |
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$this->container = $this->doc; |
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$this->environment = $environment; |
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$this->referenceParser = new ReferenceParser($document->getReferenceMap()); |
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$this->blockCloser = new UnmatchedBlockCloser($this); |
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} |
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/** |
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* @param string $line |
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*/ |
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public function setNextLine($line) |
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{ |
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++$this->lineNumber; |
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$this->line = $line; |
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} |
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/** |
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* @return Document |
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*/ |
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public function getDocument() |
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{ |
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return $this->doc; |
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} |
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/** |
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* @return AbstractBlock|null |
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*/ |
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public function getTip() |
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{ |
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return $this->tip; |
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} |
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/** |
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* @param AbstractBlock|null $block |
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* |
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* @return $this |
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*/ |
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public function setTip(AbstractBlock $block = null) |
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{ |
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$this->tip = $block; |
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return $this; |
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} |
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/** |
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* @return int |
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*/ |
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public function getLineNumber() |
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{ |
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return $this->lineNumber; |
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} |
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/** |
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* @return string |
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*/ |
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public function getLine() |
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{ |
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return $this->line; |
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} |
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/** |
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* Finalize and close any unmatched blocks |
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* |
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* @return UnmatchedBlockCloser |
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*/ |
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public function getBlockCloser() |
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{ |
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return $this->blockCloser; |
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} |
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/** |
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* @return AbstractBlock |
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*/ |
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public function getContainer() |
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{ |
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return $this->container; |
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} |
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/** |
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* @param AbstractBlock $container |
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* |
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* @return $this |
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*/ |
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public function setContainer($container) |
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{ |
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$this->container = $container; |
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return $this; |
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} |
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/** |
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* @param AbstractBlock $block |
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* |
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* @return AbstractBlock |
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*/ |
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public function addBlock(AbstractBlock $block) |
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{ |
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$this->getBlockCloser()->closeUnmatchedBlocks(); |
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$block->setStartLine($this->lineNumber); |
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while (!$this->tip->canContain($block)) { |
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$this->tip->finalize($this, $this->lineNumber); |
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} |
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$this->tip->appendChild($block); |
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$this->tip = $block; |
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$this->container = $block; |
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return $block; |
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} |
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/** |
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* @param AbstractBlock $replacement |
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*/ |
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public function replaceContainerBlock(AbstractBlock $replacement) |
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{ |
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$this->getBlockCloser()->closeUnmatchedBlocks(); |
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$this->getContainer()->replaceWith($replacement); |
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if ($this->getTip() === $this->getContainer()) { |
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$this->setTip($replacement); |
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} |
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$this->setContainer($replacement); |
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} |
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/** |
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* @return bool |
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*/ |
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public function getBlocksParsed() |
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{ |
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return $this->blocksParsed; |
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} |
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/** |
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* @param bool $bool |
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* |
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* @return $this |
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*/ |
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public function setBlocksParsed($bool) |
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{ |
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$this->blocksParsed = $bool; |
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return $this; |
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} |
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/** |
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* @return ReferenceParser |
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*/ |
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public function getReferenceParser() |
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{ |
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return $this->referenceParser; |
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} |
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/** |
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* @return string |
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*/ |
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public function getEncoding() |
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{ |
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return $this->encoding; |
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} |
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/** |
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* @param string $encoding |
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* |
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* @return $this |
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*/ |
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public function setEncoding($encoding) |
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{ |
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$this->encoding = $encoding; |
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return $this; |
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} |
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} |
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