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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/Console.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: */
+/**
+ * Console 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 2004-2006 Andrey Demenev
+ * @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';
+
+define ('HL_CONSOLE_DEFCOLOR', "\033[0m");
+
+/**
+ * Console renderer
+ *
+ * Suitable for displaying text on color-capable terminals, directly
+ * or trough less -r
+ *
+ * Elements of $options argument of constructor (each being optional):
+ *
+ * - 'numbers' - whether to add line numbers
+ * - 'tabsize' - Tab size
+ * - 'colors' - additional colors
+ *
+ * @author Andrey Demenev <demenev@gmail.com>
+ * @category Text
+ * @package Text_Highlighter
+ * @copyright 2004-2006 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_Console extends Text_Highlighter_Renderer
+{
+
+ /**#@+
+ * @access private
+ */
+
+ /**
+ * class of last outputted text chunk
+ *
+ * @var string
+ */
+ var $_lastClass;
+
+ /**
+ * Line numbering
+ *
+ * @var boolean
+ */
+ var $_numbers = false;
+
+ /**
+ * Tab size
+ *
+ * @var integer
+ */
+ var $_tabsize = 4;
+
+ /**
+ * Highlighted code
+ *
+ * @var string
+ */
+ var $_output = '';
+
+ /**#@-*/
+
+ var $_colors = array();
+
+ var $_defColors = array(
+ 'default' => "\033[0m",
+ 'inlinetags' => "\033[31m",
+ 'brackets' => "\033[36m",
+ 'quotes' => "\033[34m",
+ 'inlinedoc' => "\033[34m",
+ 'var' => "\033[1m",
+ 'types' => "\033[32m",
+ 'number' => "\033[32m",
+ 'string' => "\033[31m",
+ 'reserved' => "\033[35m",
+ 'comment' => "\033[33m",
+ 'mlcomment' => "\033[33m",
+ );
+
+ function preprocess($str)
+ {
+ // normalize whitespace and tabs
+ $str = str_replace("\r\n","\n", $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()
+ {
+ $this->_lastClass = '';
+ if (isset($this->_options['numbers'])) {
+ $this->_numbers = (bool)$this->_options['numbers'];
+ } else {
+ $this->_numbers = false;
+ }
+ if (isset($this->_options['tabsize'])) {
+ $this->_tabsize = $this->_options['tabsize'];
+ } else {
+ $this->_tabsize = 4;
+ }
+ if (isset($this->_options['colors'])) {
+ $this->_colors = array_merge($this->_defColors, $this->_options['colors']);
+ } else {
+ $this->_colors = $this->_defColors;
+ }
+ $this->_output = '';
+ }
+
+
+
+ /**
+ * Accepts next token
+ *
+ * @access public
+ *
+ * @param string $class Token class
+ * @param string $content Token content
+ */
+ function acceptToken($class, $content)
+ {
+ if (isset($this->_colors[$class])) {
+ $color = $this->_colors[$class];
+ } else {
+ $color = $this->_colors['default'];
+ }
+ if ($this->_lastClass != $class) {
+ $this->_output .= $color;
+ }
+ $content = str_replace("\n", $this->_colors['default'] . "\n" . $color, $content);
+ $content .= $this->_colors['default'];
+ $this->_output .= $content;
+ }
+
+ /**
+ * Signals that no more tokens are available
+ *
+ * @access public
+ *
+ */
+ function finalize()
+ {
+ if ($this->_numbers) {
+ $nlines = substr_count($this->_output, "\n") + 1;
+ $len = strlen($nlines);
+ $i = 1;
+ $this->_output = preg_replace('~^~em', '" " . str_pad($i++, $len, " ", STR_PAD_LEFT) . ": "', $this->_output);
+ }
+ $this->_output .= HL_CONSOLE_DEFCOLOR . "\n";
+ }
+
+ /**
+ * Get generated output
+ *
+ * @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:
+ */
+
+?>