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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\Parser; |
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use League\CommonMark\Environment\EnvironmentInterface; |
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use League\CommonMark\Node\Block\AbstractBlock; |
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use League\CommonMark\Node\Block\Document; |
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use League\CommonMark\Reference\ReferenceParser; |
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/** |
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* Maintains the current state of the Markdown parser engine |
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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 EnvironmentInterface |
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*/ |
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protected $environment; |
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/** |
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* @var Document |
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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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/** |
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* @var ReferenceParser |
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*/ |
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protected $referenceParser; |
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public function __construct(Document $document, EnvironmentInterface $environment) |
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{ |
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$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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public function setNextLine(string $line): void |
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{ |
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++$this->lineNumber; |
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$this->line = $line; |
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} |
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public function getDocument(): Document |
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{ |
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return $this->doc; |
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} |
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public function getTip(): ?AbstractBlock |
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{ |
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return $this->tip; |
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} |
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public function setTip(?AbstractBlock $block): void |
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{ |
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$this->tip = $block; |
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} |
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public function getLineNumber(): int |
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{ |
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return $this->lineNumber; |
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} |
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public function getLine(): string |
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{ |
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return $this->line; |
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} |
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public function getBlockCloser(): UnmatchedBlockCloser |
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{ |
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return $this->blockCloser; |
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} |
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public function getContainer(): AbstractBlock |
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{ |
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return $this->container; |
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} |
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public function setContainer(AbstractBlock $container): void |
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{ |
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$this->container = $container; |
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} |
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public function addBlock(AbstractBlock $block): void |
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{ |
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$this->blockCloser->closeUnmatchedBlocks(); |
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$block->setStartLine($this->lineNumber); |
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while ($this->tip !== null && !$this->tip->canContain($block)) { |
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$this->tip->finalize($this, $this->lineNumber); |
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} |
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// This should always be true |
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if ($this->tip !== null) { |
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$this->tip->appendChild($block); |
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} |
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$this->tip = $block; |
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$this->container = $block; |
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} |
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public function replaceContainerBlock(AbstractBlock $replacement): void |
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{ |
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$this->blockCloser->closeUnmatchedBlocks(); |
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$this->container->replaceWith($replacement); |
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if ($this->tip === $this->container) { |
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$this->tip = $replacement; |
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} |
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$this->container = $replacement; |
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} |
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public function getBlocksParsed(): bool |
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{ |
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return $this->blocksParsed; |
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} |
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public function setBlocksParsed(bool $bool): void |
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{ |
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$this->blocksParsed = $bool; |
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} |
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public function getReferenceParser(): ReferenceParser |
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{ |
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return $this->referenceParser; |
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} |
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} |
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thephpleague /
commonmark
