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<?php |
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/** |
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* @copyright Copyright (c) 2015 Nobuo Kihara |
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* @license https://github.com/softark/creole/blob/master/LICENSE |
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* @link https://github.com/softark/creole#readme |
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*/ |
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namespace softark\creole\block; |
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/** |
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* Adds the table blocks |
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*/ |
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trait TableTrait |
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{ |
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/** |
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* identify a line as the beginning of a table block. |
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*/ |
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protected function identifyTable($line) |
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{ |
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return strpos($line, '|') !== false && preg_match('/^\s*\|.*/', $line); |
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} |
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/** |
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* Consume lines for a table |
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*/ |
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protected function consumeTable($lines, $current) |
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{ |
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$pattern = <<< REGEXP |
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/(?<=\|)( |
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([^\|]*?{{{.*?}}}[^\|]*?)+| |
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([^\|]*~\|[^\|]*?)+| |
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[^\|]* |
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)(?=\|)/x |
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REGEXP; |
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// regexp pattern should be in the order of from specific/long/complicated to general/short/simple. |
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$block = [ |
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'table', |
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'rows' => [], |
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]; |
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for ($i = $current, $count = count($lines); $i < $count; $i++) { |
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$line = trim($lines[$i]); |
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if ($line === '' || $line[0] !== '|') { |
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break; |
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} |
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$header = $i === $current; |
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preg_match_all($pattern, '|' . trim($line, '| ') . '|', $matches); |
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$row = []; |
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foreach ($matches[0] as $text) { |
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$cell = []; |
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if (isset($text[0]) && $text[0] === '=') { |
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$cell['tag'] = 'th'; |
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$cell['text'] = $this->parseInline(trim(substr($text, 1))); |
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} else { |
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$cell['tag'] = 'td'; |
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$cell['text'] = $this->parseInline(trim($text)); |
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$header = false; |
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} |
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$row['cells'][] = $cell; |
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} |
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$row['header'] = $header; |
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$block['rows'][] = $row; |
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} |
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return [$block, --$i]; |
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} |
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/** |
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* render a table block |
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*/ |
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protected function renderTable($block) |
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{ |
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$content = ""; |
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$first = true; |
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foreach ($block['rows'] as $row) { |
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if ($first) { |
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if ($row['header']) { |
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$content .= "<thead>\n"; |
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} else { |
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$content .= "<tbody>\n"; |
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} |
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} |
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$content .= "<tr>\n"; |
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foreach ($row['cells'] as $cell) { |
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$tag = $cell['tag']; |
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$cellText = $this->renderAbsy($cell['text']); |
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if (empty($cellText)) { |
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$cellText = ' '; |
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} |
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$content .= "<$tag>$cellText</$tag>\n"; |
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} |
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$content .= "</tr>\n"; |
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if ($first) { |
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if ($row['header']) { |
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$content .= "</thead>\n<tbody>\n"; |
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} |
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$first = false; |
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} |
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} |
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return "<table>\n$content</tbody>\n</table>\n"; |
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} |
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abstract protected function parseInline($text); |
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abstract protected function renderAbsy($absy); |
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} |
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softark /
creole
