aleph1.co.uk Git - yaffs-website/blob - vendor/cebe/markdown/block/QuoteTrait.php

   1 <?php
   2 /**
   3  * @copyright Copyright (c) 2014 Carsten Brandt
   4  * @license https://github.com/cebe/markdown/blob/master/LICENSE
   5  * @link https://github.com/cebe/markdown#readme
   6  */
   7
   8 namespace cebe\markdown\block;
   9
  10 /**
  11  * Adds the block quote elements
  12  */
  13 trait QuoteTrait
  14 {
  15         /**
  16          * identify a line as the beginning of a block quote.
  17          */
  18         protected function identifyQuote($line)
  19         {
  20                 return $line[0] === '>' && (!isset($line[1]) || ($l1 = $line[1]) === ' ' || $l1 === "\t");
  21         }
  22
  23         /**
  24          * Consume lines for a blockquote element
  25          */
  26         protected function consumeQuote($lines, $current)
  27         {
  28                 // consume until newline
  29                 $content = [];
  30                 for ($i = $current, $count = count($lines); $i < $count; $i++) {
  31                         $line = $lines[$i];
  32                         if (ltrim($line) !== '') {
  33                                 if ($line[0] == '>' && !isset($line[1])) {
  34                                         $line = '';
  35                                 } elseif (strncmp($line, '> ', 2) === 0) {
  36                                         $line = substr($line, 2);
  37                                 }
  38                                 $content[] = $line;
  39                         } else {
  40                                 break;
  41                         }
  42                 }
  43
  44                 $block = [
  45                         'quote',
  46                         'content' => $this->parseBlocks($content),
  47                         'simple' => true,
  48                 ];
  49                 return [$block, $i];
  50         }
  51
  52
  53         /**
  54          * Renders a blockquote
  55          */
  56         protected function renderQuote($block)
  57         {
  58                 return '<blockquote>' . $this->renderAbsy($block['content']) . "</blockquote>\n";
  59         }
  60
  61         abstract protected function parseBlocks($lines);
  62         abstract protected function renderAbsy($absy);
  63 }