Version 1

[yaffs-website] / vendor / cebe / markdown / block / CodeTrait.php

diff --git a/vendor/cebe/markdown/block/CodeTrait.php b/vendor/cebe/markdown/block/CodeTrait.php
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+++ b/vendor/cebe/markdown/block/CodeTrait.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 4 space indented code blocks
+ */
+trait CodeTrait
+{
+       /**
+        * identify a line as the beginning of a code block.
+        */
+       protected function identifyCode($line)
+       {
+               // indentation >= 4 or one tab is code
+               return ($l = $line[0]) === ' ' && $line[1] === ' ' && $line[2] === ' ' && $line[3] === ' ' || $l === "\t";
+       }
+
+       /**
+        * Consume lines for a code block element
+        */
+       protected function consumeCode($lines, $current)
+       {
+               // consume until newline
+
+               $content = [];
+               for ($i = $current, $count = count($lines); $i < $count; $i++) {
+                       $line = $lines[$i];
+
+                       // a line is considered to belong to this code block as long as it is intended by 4 spaces or a tab
+                       if (isset($line[0]) && ($line[0] === "\t" || strncmp($lines[$i], '    ', 4) === 0)) {
+                               $line = $line[0] === "\t" ? substr($line, 1) : substr($line, 4);
+                               $content[] = $line;
+                       // but also if it is empty and the next line is intended by 4 spaces or a tab
+                       } elseif ((empty($line) || rtrim($line) === '') && isset($lines[$i + 1][0]) &&
+                                     ($lines[$i + 1][0] === "\t" || strncmp($lines[$i + 1], '    ', 4) === 0)) {
+                               if (!empty($line)) {
+                                       $line = $line[0] === "\t" ? substr($line, 1) : substr($line, 4);
+                               }
+                               $content[] = $line;
+                       } else {
+                               break;
+                       }
+               }
+
+               $block = [
+                       'code',
+                       'content' => implode("\n", $content),
+               ];
+               return [$block, --$i];
+       }
+
+       /**
+        * Renders a code block
+        */
+       protected function renderCode($block)
+       {
+               $class = isset($block['language']) ? ' class="language-' . $block['language'] . '"' : '';
+               return "<pre><code$class>" . htmlspecialchars($block['content'] . "\n", ENT_NOQUOTES | ENT_SUBSTITUTE, 'UTF-8') . "</code></pre>\n";
+       }
+}