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