friendica/library/Text_Highlighter/Text/Highlighter/Renderer/Array.php
2016-06-16 11:38:12 +02:00

200 lines
No EOL
4.9 KiB
PHP

<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Array renderer.
*
* Produces an array that contains class names and content pairs.
* The array can be enumerated or associative. Associative means
* <code>class =&gt; content</code> pairs.
* Based on the HTML renderer by Andrey Demenev.
*
* LICENSE: This source file is subject to version 3.0 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_0.txt. If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category Text
* @package Text_Highlighter
* @author Stoyan Stefanov <ssttoo@gmail.com>
* @copyright 2006 Stoyan Stefanov
* @license http://www.php.net/license/3_0.txt PHP License
* @version CVS: $Id$
* @link http://pear.php.net/package/Text_Highlighter
*/
/**
* @ignore
*/
require_once 'Text/Highlighter/Renderer.php';
/**
* Array renderer, based on Andrey Demenev's HTML renderer.
*
* In addition to the options supported by the HTML renderer,
* the following options were also introduced:
* <ul><li>htmlspecialchars - whether or not htmlspecialchars() will
* be called on the content, default TRUE</li>
* <li>enumerated - type of array produced, default FALSE,
* meaning associative array</li>
* </ul>
*
*
* @author Stoyan Stefanov <ssttoo@gmail.com>
* @category Text
* @package Text_Highlighter
* @copyright 2006 Stoyan Stefanov
* @license http://www.php.net/license/3_0.txt PHP License
* @version Release: 0.5.0
* @link http://pear.php.net/package/Text_Highlighter
*/
class Text_Highlighter_Renderer_Array extends Text_Highlighter_Renderer
{
/**#@+
* @access private
*/
/**
* Tab size
*
* @var integer
*/
var $_tabsize = 4;
/**
* Should htmlentities() will be called
*
* @var boolean
*/
var $_htmlspecialchars = true;
/**
* Enumerated or associative array
*
* @var integer
*/
var $_enumerated = false;
/**
* Array containing highlighting rules
*
* @var array
*/
var $_output = array();
/**#@-*/
/**
* Preprocesses code
*
* @access public
*
* @param string $str Code to preprocess
* @return string Preprocessed code
*/
function preprocess($str)
{
// normalize whitespace and tabs
$str = str_replace("\r\n","\n", $str);
$str = str_replace("\r","\n", $str);
// some browsers refuse to display empty lines
$str = preg_replace('~^$~m'," ", $str);
$str = str_replace("\t",str_repeat(' ', $this->_tabsize), $str);
return rtrim($str);
}
/**
* Resets renderer state
*
* Descendents of Text_Highlighter call this method from the constructor,
* passing $options they get as parameter.
*
* @access protected
*/
function reset()
{
$this->_output = array();
$this->_lastClass = 'default';
if (isset($this->_options['tabsize'])) {
$this->_tabsize = $this->_options['tabsize'];
}
if (isset($this->_options['htmlspecialchars'])) {
$this->_htmlspecialchars = $this->_options['htmlspecialchars'];
}
if (isset($this->_options['enumerated'])) {
$this->_enumerated = $this->_options['enumerated'];
}
}
/**
* Accepts next token
*
* @abstract
* @access public
* @param string $class Token class
* @param string $content Token content
*/
function acceptToken($class, $content)
{
$theClass = $this->_getFullClassName($class);
if ($this->_htmlspecialchars) {
$content = htmlspecialchars($content);
}
if ($this->_enumerated) {
$this->_output[] = array($class, $content);
} else {
$this->_output[][$class] = $content;
}
$this->_lastClass = $class;
}
/**
* Given a CSS class name, returns the class name
* with language name prepended, if necessary
*
* @access private
*
* @param string $class Token class
*/
function _getFullClassName($class)
{
if (!empty($this->_options['use_language'])) {
$theClass = $this->_language . '-' . $class;
} else {
$theClass = $class;
}
return $theClass;
}
/**
* Get generated output
*
* @abstract
* @return array Highlighted code as an array
* @access public
*/
function getOutput()
{
return $this->_output;
}
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* c-hanging-comment-ender-p: nil
* End:
*/
?>