PEAR2_Text_Markdown › PEAR2_Text_Markdown-0.1.0/php/PEAR2/Text/Markdown/Plugin/CodeSpan.php
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- MultiErrors.php
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<?php
/**
*
* Span plugin to change `` `text` `` to `<code>text</code>`.
*
* Backtick quotes are used for `<code></code>` spans.
*
* You can use multiple backticks as the delimiters if you want to
* include literal backticks in the code span. So, this input ...
*
* Just type ``foo `bar` baz`` at the prompt.
*
* ... will translate to ...
*
* <p>Just type <code>foo `bar` baz</code> at the prompt.</p>
*
* There's no arbitrary limit to the number of backticks you
* can use as delimters. If you need three consecutive backticks
* in your code, use four for delimiters, etc.
*
* You can use spaces to get literal backticks at the edges ...
*
* type `` `bar` ``
*
* ... which turns into ...
*
* type <code>`bar`</code>
*
* @category Solar
*
* @package Markdown
*
* @author John Gruber <http://daringfireball.net/projects/markdown/>
*
* @author Michel Fortin <http://www.michelf.com/projects/php-markdown/>
*
* @author Paul M. Jones <pmjones@solarphp.com>
*
* @license http://opensource.org/licenses/bsd-license.php BSD
*
* @version $Id: CodeSpan.php 3153 2008-05-05 23:14:16Z pmjones $
*
*/
namespace PEAR2\Text;
class Markdown_Plugin_CodeSpan extends Markdown_Plugin
{
/**
*
* This is a span plugin.
*
* @var bool
*
*/
protected $_is_span = true;
/**
*
* These characters should be encoded as special Markdown characters.
*
* @var string
*
*/
protected $_chars = '`';
/**
*
* Creates code spans from backtick-delimited text.
*
* @param string $text The source text.
*
* @return string The transformed XHTML.
*
*/
public function parse($text)
{
$text = preg_replace_callback('@
(?<!\\\) # Character before opening ` cannot be a backslash
(`+) # $1 = Opening run of `
(.+?) # $2 = The code block
(?<!`)
\1 # Matching closer
(?!`)
@xs',
array($this, '_parse'),
$text
);
return $text;
}
/**
*
* Support callback for code spans.
*
* @param string $matches Matches from preg_replace_callback().
*
* @return string The replacement text.
*
*/
protected function _parse($matches)
{
$c = $matches[2];
$c = preg_replace('/^[ \t]*/', '', $c); // leading whitespace
$c = preg_replace('/[ \t]*$/', '', $c); // trailing whitespace
$c = $this->_escape($c);
$c = "<code>$c</code>";
return $this->_toHtmlToken($c);
}
}
EOF
