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vendor/cebe/markdown/block/QuoteTrait.php 1.31 KB
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  <?php
  /**
   * @copyright Copyright (c) 2014 Carsten Brandt
   * @license https://github.com/cebe/markdown/blob/master/LICENSE
   * @link https://github.com/cebe/markdown#readme
   */
  
  namespace cebe\markdown\block;
  
  /**
   * Adds the block quote elements
   */
  trait QuoteTrait
  {
  	/**
  	 * identify a line as the beginning of a block quote.
  	 */
  	protected function identifyQuote($line)
  	{
  		return $line[0] === '>' && (!isset($line[1]) || ($l1 = $line[1]) === ' ' || $l1 === "\t");
  	}
  
  	/**
  	 * Consume lines for a blockquote element
  	 */
  	protected function consumeQuote($lines, $current)
  	{
  		// consume until newline
  		$content = [];
  		for ($i = $current, $count = count($lines); $i < $count; $i++) {
  			$line = $lines[$i];
  			if (ltrim($line) !== '') {
  				if ($line[0] == '>' && !isset($line[1])) {
  					$line = '';
  				} elseif (strncmp($line, '> ', 2) === 0) {
  					$line = substr($line, 2);
  				}
  				$content[] = $line;
  			} else {
  				break;
  			}
  		}
  
  		$block = [
  			'quote',
  			'content' => $this->parseBlocks($content),
  			'simple' => true,
  		];
  		return [$block, $i];
  	}
  
  
  	/**
  	 * Renders a blockquote
  	 */
  	protected function renderQuote($block)
  	{
  		return '<blockquote>' . $this->renderAbsy($block['content']) . "</blockquote>\n";
  	}
  
  	abstract protected function parseBlocks($lines);
  	abstract protected function renderAbsy($absy);
  }