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authorredmatrix <git@macgirvin.com>2016-06-15 19:44:15 -0700
committerredmatrix <git@macgirvin.com>2016-06-15 19:44:15 -0700
commitfa48de33c2f6cefbac8bfec7cde75b75390d5f39 (patch)
tree63440977ec1d802850c7b8c21496f01c9a44e7fd /library/Text_Highlighter/Text/Highlighter/Renderer/Array.php
parent476116a972c0f8b8ade495de557b8fc8d3097964 (diff)
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provide syntax based [colour] highlighting on code blocks for popular languages. I'm not happy with the line height on the list elements but couldn't see where this was defaulted. This uses the syntax [code=xxx]some code snippet[/code], where xxx represents a code/language style - with about 18 builtins.
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+<?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:
+ */
+
+?> \ No newline at end of file