File inc/format.inc.php added (mode: 100644) (index 0000000..3580575) |
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<?php |
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// This will deal with text formating (Markdown etc.) |
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// TODO: we need to escape some URLs and some values |
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function rg_format_markdown($a) |
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{ |
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$k = array(); |
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$v = array(); |
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// 2 spaces at the end of the line |
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$k[] = '/ {2}$/mu'; |
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$v[] = '<br />'; |
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// blockquote |
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$k[] = '/^>\s(.*)$/mu'; |
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$v[] = '<blockquote><p>\1</p></blockquote>'; |
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// strikethrough |
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$k[] = '/~~(.*?)~~/uD'; |
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$v[] = '<strike>\1</strike>'; |
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// hr |
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$k[] = '/^---$/mu'; |
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$v[] = '<hr />'; |
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// bold |
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$k[] = '/\*\*(.*?)\*\*/uD'; |
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$v[] = '<strong>\1</strong>'; |
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$k[] = '/__(.*?)__/uD'; |
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$v[] = '<strong>\1</strong>'; |
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// italic |
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$k[] = '/\*(.*?)\*/uD'; |
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$v[] = '<em>\1</em>'; |
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$k[] = '/_(.*?)_/uD'; |
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$v[] = '<em>\1</em>'; |
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// image |
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$k[] = '/!\[(.*?)\]\((.*?)\s"(.*?)"\)/uD'; |
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$v[] = '<img alt="\1" title="\3" src="\2" />'; |
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// link |
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$k[] = '/\[(.*?)\]\((.*?)\)/uD'; |
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$v[] = '<a href="\2" target="_blank">\1</a>'; |
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$k[] = '#(http[s]://.*?)\s#uD'; |
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$v[] = '<a href="\1" target="_blank">\1</a>'; |
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// Headers |
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$k[] = '/^######\s(.*)/mu'; |
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$v[] = '<h6>\1</h6>'; |
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$k[] = '/^#####\s(.*)/mu'; |
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$v[] = '<h5>\1</h5>'; |
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$k[] = '/^####\s(.*)/mu'; |
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$v[] = '<h4>\1</h4>'; |
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$k[] = '/^###\s(.*)/mu'; |
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$v[] = '<h3>\1</h3>'; |
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$k[] = '/^##\s(.*)/mu'; |
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$v[] = '<h2>\1</h2>'; |
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$k[] = '/^#\s(.*)/mu'; |
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$v[] = '<h1>\1</h1>'; |
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// Syntax highlighting (not there yet) |
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$k[] = '/`(.*?)`/mu'; |
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$v[] = '<code>\1</code>'; |
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$k[] = '/```(.*?)```/uD'; |
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$v[] = '<code>\1</code>'; |
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$a = preg_replace($k, $v, $a); |
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// tables |
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$ret = array(); $j = 0; |
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$table_started = FALSE; |
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$f = explode("\n", $a); unset($a); |
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foreach ($f as $i => $line) { |
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rg_log('DEBUG: line=' . $line); |
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if (preg_match('/^=+$/u', $line) === 1) { |
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rg_log('Found a h1 with = sign'); |
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if (($j > 0) && (strlen($line) == strlen($ret[$j - 1]))) { |
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$ret[$j - 1] = '<h1>' . $ret[$j - 1] . '</h1>'; |
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continue; |
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} |
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} |
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if (preg_match('/^-+$/u', $line) === 1) { |
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rg_log('Found a h2 with - sign'); |
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if (($j > 0) && (strlen($line) == strlen($ret[$j - 1]))) { |
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$ret[$j - 1] = '<h2>' . $ret[$j - 1] . '</h2>'; |
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continue; |
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} |
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} |
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// table line |
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$cont = FALSE; |
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while (1) { |
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$r = preg_split($p = '/\s*\|\s*/u', $line); |
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if (($r === FALSE) || !isset($r[1])) |
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break; |
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rg_log_ml('DEBUG: found a table row: ' . print_r($r, TRUE)); |
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if ($table_started !== TRUE) { |
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rg_log('DEBUG: But table was not started.'); |
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if ($j == 0) { |
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rg_log('DEBUG: this is first line; ship'); |
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break; |
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} |
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rg_log('DEBUG: Check previous line [' . $ret[$j - 1] . '] to contain \s|\s'); |
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$r2 = preg_split($p = '/\s*\|\s*/u', $ret[$j - 1]); |
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if (($r2 === FALSE) || !isset($r2[1])) |
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break; |
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rg_log_ml('DEBUG: header match: ' . print_r($r2, TRUE)); |
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rg_log(' DEBUG: Found a table in the previous line!'); |
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$ret[$j - 1] = '<table>' . "\n"; |
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$ret[$j++] = '<tr><th>' |
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. implode('</th><th>', $r2) |
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. '</th></tr>'; |
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$table_started = TRUE; |
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$cont = TRUE; |
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break; |
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} |
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$ret[$j++] = '<tr><td>' . implode('</td><td>', $r) |
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. '</td></tr>'; |
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$cont = TRUE; |
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break; |
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} |
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if ($cont) |
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continue; |
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if ($table_started) { |
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rg_log('DEBUG: we have a normal line but table is in progress; stop table'); |
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$ret[$j++] = '</table>'; |
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$table_started = FALSE; |
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} |
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$ret[$j++] = $line; |
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} |
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if ($table_started) { |
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rg_log('DEBUG: we have a normal line but table is in progress; stop table'); |
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$ret[$j++] = '</table>'; |
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$table_started = FALSE; |
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} |
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$a = implode("\n", $ret); unset($ret); |
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$k = array(); |
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$v = array(); |
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$k[] = '/' . "\n\n" . '(.*)' . '(' . "\n\n" . '|$)/u'; |
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$v[] = "\n\n" . '<p>\1</p>' . '\2'; |
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return preg_replace($k, $v, $a); |
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} |
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