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vendor/cebe/markdown/block/QuoteTrait.php

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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);
+}