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https://github.com/erusev/parsedown.git
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rearrange block types to optimize performance
This commit is contained in:
Emanuil Rusev
parent
d4d3612710
commit
6d113f47fb
143
Parsedown.php
143
Parsedown.php
@ -217,56 +217,14 @@ class Parsedown
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# Quick Paragraph
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if ($line[0] >= 'A' and $line['0'] !== '_')
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if ($line[0] >= 'A' and $line[0] !== '_')
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{
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goto paragraph; # trust me
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}
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# Setext Header (---)
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if ($element['type'] === 'p' and ! isset($element['interrupted']) and preg_match('/^[-]+[ ]*$/', $line))
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{
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$element['type'] = 'h.';
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$element['level'] = 2;
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continue;
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}
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# Horizontal Rule
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if (preg_match('/^[ ]{0,3}([-*_])([ ]{0,2}\1){2,}[ ]*$/', $line))
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{
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$elements []= $element;
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$element = array(
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'type' => 'hr',
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);
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continue;
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}
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# List Item
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if (preg_match('/^([ ]{0,3})(\d+[.]|[*+-])[ ](.*)/', $line, $matches))
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{
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$elements []= $element;
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$element = array(
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'type' => 'li',
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'ordered' => isset($matches[2][1]),
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'indentation' => $matches[1],
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'last' => true,
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'lines' => array(
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preg_replace('/^[ ]{0,4}/', '', $matches[3]),
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),
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);
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continue;
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}
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# Code
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if (preg_match('/^[ ]{4}(.*)/', $line, $matches))
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if ($line[0] === ' ' and preg_match('/^[ ]{4}(.*)/', $line, $matches))
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{
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if ($element['type'] === 'code')
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{
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@ -279,10 +237,20 @@ class Parsedown
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$elements []= $element;
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$element = array(
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'type' => 'code',
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'type' => 'code',
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'text' => $matches[1],
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);
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}
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continue;
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}
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# Setext Header (---)
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if ($line[0] === '-' and $element['type'] === 'p' and ! isset($element['interrupted']) and preg_match('/^[-]+[ ]*$/', $line))
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{
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$element['type'] = 'h.';
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$element['level'] = 2;
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continue;
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}
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@ -296,17 +264,31 @@ class Parsedown
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$level = strlen($matches[1]);
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$element = array(
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'type' => 'h.',
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'text' => $matches[2],
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'type' => 'h.',
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'text' => $matches[2],
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'level' => $level,
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);
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continue;
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}
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# Setext Header (===)
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if ($line[0] === '=' and $element['type'] === 'p' and ! isset($element['interrupted']) and preg_match('/^[=]+[ ]*$/', $line))
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{
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$element['type'] = 'h.';
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$element['level'] = 1;
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continue;
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}
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# ~
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$pure_line = ltrim($line);
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# Blockquote
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if (preg_match('/^[ ]*>[ ]?(.*)/', $line, $matches))
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if ($pure_line[0] === '>' and preg_match('/^>[ ]?(.*)/', $pure_line, $matches))
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{
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if ($element['type'] === 'blockquote')
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{
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@ -334,45 +316,72 @@ class Parsedown
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continue;
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}
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# Setext Header (===)
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# HTML
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if ($element['type'] === 'p' and ! isset($element['interrupted']) and preg_match('/^[=]+[ ]*$/', $line))
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if ($pure_line[0] === '<')
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{
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$element['type'] = 'h.';
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$element['level'] = 1;
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continue;
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}
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# Block-Level HTML <self-closing/>
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# Block-Level HTML <self-closing/>
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if (preg_match('{^<.+?/>$}', $pure_line))
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{
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$elements []= $element;
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$element = array(
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'type' => '',
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'text' => $pure_line,
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);
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continue;
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}
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# Block-Level HTML <open>
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if (preg_match('{^<(\w+)(?:[ ].*?)?>}', $pure_line, $matches))
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{
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$elements []= $element;
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$element = array(
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'type' => 'block',
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'subtype' => strtolower($matches[1]),
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'text' => $pure_line,
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'depth' => 0,
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);
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preg_match('{</'.$matches[1].'>\s*$}', $pure_line) and $element['closed'] = true;
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continue;
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}
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}
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if (preg_match('{^<.+?/>$}', $line))
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# Horizontal Rule
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if (preg_match('/^([-*_])([ ]{0,2}\1){2,}[ ]*$/', $pure_line))
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{
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$elements []= $element;
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$element = array(
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'type' => '',
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'text' => $line,
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'type' => 'hr',
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);
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continue;
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}
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# Block-Level HTML <open>
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# List Item
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if (preg_match('{^<(\w+)(?:[ ].*?)?>}', $line, $matches))
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if (preg_match('/^([ ]*)(\d+[.]|[*+-])[ ](.*)/', $line, $matches))
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{
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$elements []= $element;
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$element = array(
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'type' => 'block',
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'subtype' => strtolower($matches[1]),
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'text' => $line,
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'depth' => 0,
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'type' => 'li',
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'ordered' => isset($matches[2][1]),
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'indentation' => $matches[1],
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'last' => true,
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'lines' => array(
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preg_replace('/^[ ]{0,4}/', '', $matches[3]),
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),
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);
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preg_match('{</'.$matches[1].'>\s*$}', $line) and $element['closed'] = true;
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continue;
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}
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@ -1,14 +1,16 @@
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<p>Here's a list where items are separated by empty lines:</p>
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<ul>
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<li>
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<p>list item</p>
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</li>
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<li>another list item</li>
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</ul>
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<p>Here's an ordered one:</p>
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<ol>
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<li>
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<p>item one</p>
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</li>
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<li>item two</li>
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</ol>
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<p>Here's a sparse list:</p>
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<ul>
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<li>
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<p>list item</p>
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</li>
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<li>another list item</li>
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</ul>
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<p>Here's one with an indented list item:</p>
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<ul>
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<li>
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<p>li</p>
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<ul>
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<li>li</li>
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</ul>
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</li>
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</ul>
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@ -1,11 +1,11 @@
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Here's a list where items are separated by empty lines:
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- list item
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- another list item
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Here's an ordered one:
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1. item one
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2. item two
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Here's a sparse list:
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- list item
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- another list item
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Here's one with an indented list item:
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- li
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- li
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