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parse * and _ emphasis types separately to optimize performance and improve readability

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Emanuil 2013-09-03 00:14:04 +03:00
parent a94a45f955
commit 3afeee3b19
1 changed files with 11 additions and 5 deletions
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16
Parsedown.php
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@ -616,13 +616,19 @@ class Parsedown
$index ++; $index ++;
} }
} }
if (strpos($text, '*') !== FALSE or strpos($text, '_') !== FALSE) if (strpos($text, '_') !== FALSE)
{ {
$text = preg_replace('/(\*\*|__)(.+?[*_]*)(?<=\S)\1/', '<strong>$2</strong>', $text); $text = preg_replace('/__(?=\S)(.+?)(?<=\S)__/', '<strong>$1</strong>', $text);
$text = preg_replace('/(\*|_)(.+?)(?<=\S)\1/', '<em>$2</em>', $text); $text = preg_replace('/_(?=\S)(.+?)(?<=\S)_/', '<em>$1</em>', $text);
} }
if (strpos($text, '*') !== FALSE)
{
$text = preg_replace('/\*\*(?=\S)(.+?)(?<=\S)\*\*/', '<strong>$1</strong>', $text);
$text = preg_replace('/\*(?=\S)(.+?)(?<=\S)\*/', '<em>$1</em>', $text);
}
$text = strtr($text, $map); $text = strtr($text, $map);
return $text; return $text;