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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\Inline\AdjoiningTextCollapser; |
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use League\CommonMark\Inline\Element\Text; |
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use League\CommonMark\Node\Node; |
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use League\CommonMark\Reference\ReferenceMap; |
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class InlineParserEngine |
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{ |
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protected $environment; |
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public function __construct(Environment $environment) |
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{ |
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$this->environment = $environment; |
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} |
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/** |
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* @param Node $container |
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* @param ReferenceMap $referenceMap |
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*/ |
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public function parse(Node $container, ReferenceMap $referenceMap) |
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{ |
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$inlineParserContext = new InlineParserContext($container, $referenceMap); |
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while (($character = $inlineParserContext->getCursor()->getCharacter()) !== null) { |
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if (!$this->parseCharacter($character, $inlineParserContext)) { |
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$this->addPlainText($character, $container, $inlineParserContext); |
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} |
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} |
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$this->processInlines($inlineParserContext); |
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AdjoiningTextCollapser::collapseTextNodes($container); |
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} |
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/** |
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* @param string $character |
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* @param InlineParserContext $inlineParserContext |
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* |
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* @return bool Whether we successfully parsed a character at that position |
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*/ |
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protected function parseCharacter($character, InlineParserContext $inlineParserContext) |
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{ |
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foreach ($this->environment->getInlineParsersForCharacter($character) as $parser) { |
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if ($parser->parse($inlineParserContext)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @param InlineParserContext $inlineParserContext |
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*/ |
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protected function processInlines(InlineParserContext $inlineParserContext) |
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{ |
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$delimiterStack = $inlineParserContext->getDelimiterStack(); |
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foreach ($this->environment->getInlineProcessors() as $inlineProcessor) { |
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$inlineProcessor->processInlines($delimiterStack); |
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} |
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// Remove all delimiters |
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$delimiterStack->removeAll(); |
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} |
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/** |
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* @param string $character |
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* @param Node $container |
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* @param InlineParserContext $inlineParserContext |
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*/ |
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private function addPlainText($character, Node $container, InlineParserContext $inlineParserContext) |
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{ |
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// We reach here if none of the parsers can handle the input |
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// Attempt to match multiple non-special characters at once |
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$text = $inlineParserContext->getCursor()->match($this->environment->getInlineParserCharacterRegex()); |
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// This might fail if we're currently at a special character which wasn't parsed; if so, just add that character |
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if ($text === null) { |
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$inlineParserContext->getCursor()->advance(); |
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$text = $character; |
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} |
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$lastInline = $container->lastChild(); |
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if ($lastInline instanceof Text && !isset($lastInline->data['delim'])) { |
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$lastInline->append($text); |
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} else { |
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$container->appendChild(new Text($text)); |
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} |
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} |
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} |
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thephpleague /
commonmark
This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass.
Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type.