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82c981657d
This allows markdown to be parsed "inside" the alt attribute of an image, and then the best plaintext can be used as the rest. This improves CommonMark compliance.
70 lines
1.5 KiB
PHP
70 lines
1.5 KiB
PHP
<?php
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namespace Erusev\Parsedown\Components\Inlines;
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use Erusev\Parsedown\AST\StateRenderable;
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use Erusev\Parsedown\Components\Inline;
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use Erusev\Parsedown\Html\Renderables\Element;
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use Erusev\Parsedown\Html\Renderables\Text;
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use Erusev\Parsedown\Parsedown;
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use Erusev\Parsedown\Parsing\Excerpt;
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use Erusev\Parsedown\State;
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final class Code implements Inline
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{
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use WidthTrait, DefaultBeginPosition;
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/** @var string */
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private $text;
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/**
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* @param string $text
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* @param int $width
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*/
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public function __construct($text, $width)
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{
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$this->text = $text;
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$this->width = $width;
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}
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/**
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* @param Excerpt $Excerpt
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* @param State $State
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* @return static|null
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*/
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public static function build(Excerpt $Excerpt, State $State)
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{
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$marker = $Excerpt->text()[0];
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if ($marker !== '`') {
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return null;
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}
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if (\preg_match(
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'/^(['.$marker.']++)[ ]*+(.+?)[ ]*+(?<!['.$marker.'])\1(?!'.$marker.')/s',
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$Excerpt->text(),
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$matches
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)) {
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$text = \preg_replace('/[ ]*+\n/', ' ', $matches[2]);
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return new self($text, \strlen($matches[0]));
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}
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}
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/**
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* @return Element
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*/
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public function stateRenderable(Parsedown $_)
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{
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return new Element('code', [], [new Text($this->text)]);
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}
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/**
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* @return Text
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*/
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public function bestPlaintext()
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{
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return new Text($this->text);
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}
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}
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