<?php /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */ /** * HTML renderer * * PHP versions 4 and 5 * * 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 Andrey Demenev <demenev@gmail.com> * @copyright 2004 Andrey Demenev * @license http://www.php.net/license/3_0.txt PHP License * @version CVS: $Id: Html.php 23 2005-03-13 17:07:48Z andrey $ * @link http://pear.php.net/package/Text_Highlighter */ /** * @ignore */ require_once 'Text/Highlighter/Renderer.php'; // BC trick : only define constants if Text/Highlighter.php // is not yet included if (!defined('HL_NUMBERS_LI')) { /**#@+ * Constant for use with $options['numbers'] * @see Text_Highlighter_Renderer_Html::_init() */ /** * use numbered list */ define ('HL_NUMBERS_LI' , 1); /** * Use 2-column table with line numbers in left column and code in right column. */ define ('HL_NUMBERS_TABLE' , 2); /**#@-*/ } /** * HTML renderer * * Elements of $options argument of constructor (each being optional): * * - 'numbers' - Line numbering style 0 or {@link HL_NUMBERS_LI} or {@link HL_NUMBERS_TABLE} * - 'tabsize' - Tab size * * @author Andrey Demenev <demenev@gmail.com> * @category Text * @package Text_Highlighter * @copyright 2004 Andrey Demenev * @license http://www.php.net/license/3_0.txt PHP License * @version Release: @package_version@ * @link http://pear.php.net/package/Text_Highlighter */ class Text_Highlighter_Renderer_Html extends Text_Highlighter_Renderer { /**#@+ * @access private */ /** * CSS class of last outputted text chunk * * @var string */ var $_lastClass; /** * Line numbering style * * @var integer */ var $_numbers = 0; /** * Tab size * * @var integer */ var $_tabsize = 4; /** * Highlighted code * * @var string */ var $_output = ''; /**#@-*/ function preprocess($str) { // normalize whitespace and tabs $str = str_replace("\r\n","\n", $str); // some browsers refuse to display mepty lines $str = preg_replace('~^$~m'," ", $str); $str = str_replace("\t",str_repeat(' ', $this->_tabsize), $str); return rtrim($str); } /** * Resets renderer state * * @access protected * * * Descendents of Text_Highlighter call this method from the constructor, * passing $options they get as parameter. */ function reset() { $this->_output = ''; $this->_lastClass = 'default'; if (isset($this->_options['numbers'])) { $this->_numbers = (int)$this->_options['numbers']; if ($this->_numbers != HL_NUMBERS_LI && $this->_numbers != HL_NUMBERS_TABLE) { $this->_numbers = 0; } } if (isset($this->_options['tabsize'])) $this->_tabsize = $this->_options['tabsize']; } /** * Accepts next token * * @abstract * @access public * * @param string $class Token class * @param string $content Token content */ function acceptToken($class, $content) { $iswhitespace = ctype_space($content); $content = htmlspecialchars($content); if ((!$this->_output || $class != $this->_lastClass) && !$iswhitespace) { $tag = ''; if ($this->_output) { $tag .= '</span>'; } $tag .= '<span class="hl-' . $class . '">'; $this->_output .= $tag; } else $class = $this->_lastClass; // make coloring tags not cross the list item tags if ($this->_numbers == HL_NUMBERS_LI) { $tag = "</span>\n<span class=\"hl-" . $class . '">'; $content = str_replace(" ", ' ', $content); $content = str_replace("\n", $tag, $content); } $this->_output .= $content; if (!$iswhitespace) { $this->_lastClass = $class; } } /** * Signals that no more tokens are available * * @abstract * @access public * */ function finalize() { if ($this->_output) { $this->_output .= '</span>'; } if ($this->_numbers == HL_NUMBERS_LI) { /* additional whitespace for browsers that do not display empty list items correctly */ $this->_output = '<li> ' . str_replace("\n", "</li>\n<li> ", $this->_output) . '</li>'; $this->_output = '<ol class="hl-main">' . $this->_output . '</ol>'; } if ($this->_numbers == HL_NUMBERS_TABLE) { $numbers = ''; $nlines = substr_count($this->_output,"\n")+1; for ($i=1; $i<=$nlines; $i++) { $numbers .= $i . "\n"; } $this->_output = '<table class="hl-table" width="100%"><tr>' . '<td class="hl-gutter" align="right" valign="top" style="width:4ex;">' . '<pre>' . $numbers . '</pre></td><td class="hl-main" valign="top"><pre>' . $this->_output . '</pre></td></tr></table>'; } if (!$this->_numbers) { $this->_output = '<div class="hl-main"><pre>' . $this->_output . '</pre></div>'; } } /** * Get generated output * * @abstract * @return string Highlighted code * @access public * */ function getOutput() { return $this->_output; } } /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * c-hanging-comment-ender-p: nil * End: */ ?>