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authorxue <>2006-01-12 13:35:40 +0000
committerxue <>2006-01-12 13:35:40 +0000
commit823ddf3e3fbeb3cf5b30da257d868af743bf3302 (patch)
tree24bd3cf448b45310bc0c6fc6dd234d97bec60dfc /demos/quickstart/protected/controls/Highlighter/geshi.php
parente126c0067e9efee6542d08bf649588e2cf3a5924 (diff)
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-<?php
-/**
- * GeSHi - Generic Syntax Highlighter
- *
- * The GeSHi class for Generic Syntax Highlighting. Please refer to the documentation
- * at http://qbnz.com/highlighter/documentation.php for more information about how to
- * use this class.
- *
- * For changes, release notes, TODOs etc, see the relevant files in the docs/ directory
- *
- * This file is part of GeSHi.
- *
- * GeSHi is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * GeSHi is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GeSHi; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * @package core
- * @author Nigel McNie <nigel@geshi.org>
- * @copyright Copyright &copy; 2004, 2005, Nigel McNie
- * @license http://gnu.org/copyleft/gpl.html GNU GPL
- * @version $Id: geshi.php,v 1.23 2005/11/19 02:23:37 oracleshinoda Exp $
- *
- */
-
-//
-// GeSHi Constants
-// You should use these constant names in your programs instead of
-// their values - you never know when a value may change in a future
-// version
-//
-
-/** The version of this GeSHi file */
-define('GESHI_VERSION', '1.0.7.5');
-
-/** For the future (though this may never be realised) */
-define('GESHI_OUTPUT_HTML', 0);
-
-/** Set the correct directory separator */
-define('GESHI_DIR_SEPARATOR', ('WIN' != substr(PHP_OS, 0, 3)) ? '/' : '\\');
-
-// Define the root directory for the GeSHi code tree
-if (!defined('GESHI_ROOT')) {
- /** The root directory for GeSHi */
- define('GESHI_ROOT', dirname(__FILE__) . GESHI_DIR_SEPARATOR);
-}
-/** The language file directory for GeSHi
- @access private */
-define('GESHI_LANG_ROOT', GESHI_ROOT . 'geshi' . GESHI_DIR_SEPARATOR);
-
-
-// Line numbers - use with enable_line_numbers()
-/** Use no line numbers when building the result */
-define('GESHI_NO_LINE_NUMBERS', 0);
-/** Use normal line numbers when building the result */
-define('GESHI_NORMAL_LINE_NUMBERS', 1);
-/** Use fancy line numbers when building the result */
-define('GESHI_FANCY_LINE_NUMBERS', 2);
-
-// Container HTML type
-/** Use nothing to surround the source */
-define('GESHI_HEADER_NONE', 0);
-/** Use a "div" to surround the source */
-define('GESHI_HEADER_DIV', 1);
-/** Use a "pre" to surround the source */
-define('GESHI_HEADER_PRE', 2);
-
-// Capatalisation constants
-/** Lowercase keywords found */
-define('GESHI_CAPS_NO_CHANGE', 0);
-/** Uppercase keywords found */
-define('GESHI_CAPS_UPPER', 1);
-/** Leave keywords found as the case that they are */
-define('GESHI_CAPS_LOWER', 2);
-
-// Link style constants
-/** Links in the source in the :link state */
-define('GESHI_LINK', 0);
-/** Links in the source in the :hover state */
-define('GESHI_HOVER', 1);
-/** Links in the source in the :active state */
-define('GESHI_ACTIVE', 2);
-/** Links in the source in the :visited state */
-define('GESHI_VISITED', 3);
-
-// Important string starter/finisher
-// Note that if you change these, they should be as-is: i.e., don't
-// write them as if they had been run through htmlentities()
-/** The starter for important parts of the source */
-define('GESHI_START_IMPORTANT', '<BEGIN GeSHi>');
-/** The ender for important parts of the source */
-define('GESHI_END_IMPORTANT', '<END GeSHi>');
-
-/**#@+
- * @access private
- */
-// When strict mode applies for a language
-/** Strict mode never applies (this is the most common) */
-define('GESHI_NEVER', 0);
-/** Strict mode *might* apply, and can be enabled or
- disabled by {@link GeSHi::enable_strict_mode()} */
-define('GESHI_MAYBE', 1);
-/** Strict mode always applies */
-define('GESHI_ALWAYS', 2);
-
-// Advanced regexp handling constants, used in language files
-/** The key of the regex array defining what to search for */
-define('GESHI_SEARCH', 0);
-/** The key of the regex array defining what bracket group in a
- matched search to use as a replacement */
-define('GESHI_REPLACE', 1);
-/** The key of the regex array defining any modifiers to the regular expression */
-define('GESHI_MODIFIERS', 2);
-/** The key of the regex array defining what bracket group in a
- matched search to put before the replacement */
-define('GESHI_BEFORE', 3);
-/** The key of the regex array defining what bracket group in a
- matched search to put after the replacement */
-define('GESHI_AFTER', 4);
-
-/** Used in language files to mark comments */
-define('GESHI_COMMENTS', 0);
-
-// Error detection - use these to analyse faults
-/** No sourcecode to highlight was specified */
-define('GESHI_ERROR_NO_INPUT', 1);
-/** The language specified does not exist */
-define('GESHI_ERROR_NO_SUCH_LANG', 2);
-/** GeSHi could not open a file for reading (generally a language file) */
-define('GESHI_ERROR_FILE_NOT_READABLE', 3);
-/** The header type passed to {@link GeSHi::set_header_type()} was invalid */
-define('GESHI_ERROR_INVALID_HEADER_TYPE', 4);
-/** The line number type passed to {@link GeSHi::enable_line_numbers()} was invalid */
-define('GESHI_ERROR_INVALID_LINE_NUMBER_TYPE', 5);
-/**#@-*/
-
-
-/**
- * The GeSHi Class.
- *
- * Please refer to the documentation for GeSHi 1.0.X that is available
- * at http://qbnz.com/highlighter/documentation.php for more information
- * about how to use this class.
- *
- * @package core
- * @author Nigel McNie <nigel@geshi.org>
- * @copyright Copyright &copy; 2004, 2005 Nigel McNie
- */
-class GeSHi
-{
- /**#@+
- * @access private
- */
- /**
- * The source code to highlight
- * @var string
- */
- protected $source = '';
-
- /**
- * The language to use when highlighting
- * @var string
- */
- protected $language = '';
-
- /**
- * The data for the language used
- * @var array
- */
- protected $language_data = array();
-
- /**
- * The path to the language files
- * @var string
- */
- protected $language_path = GESHI_LANG_ROOT;
-
- /**
- * The error message associated with an error
- * @var string
- * @todo check err reporting works
- */
- protected $error = false;
-
- /**
- * Possible error messages
- * @var array
- */
- protected $error_messages = array(
- GESHI_ERROR_NO_INPUT => 'No source code inputted',
- GESHI_ERROR_NO_SUCH_LANG => 'GeSHi could not find the language {LANGUAGE} (using path {PATH})',
- GESHI_ERROR_FILE_NOT_READABLE => 'The file specified for load_from_file was not readable',
- GESHI_ERROR_INVALID_HEADER_TYPE => 'The header type specified is invalid',
- GESHI_ERROR_INVALID_LINE_NUMBER_TYPE => 'The line number type specified is invalid'
- );
-
- /**
- * Whether highlighting is strict or not
- * @var boolean
- */
- protected $strict_mode = false;
-
- /**
- * Whether to use CSS classes in output
- * @var boolean
- */
- protected $use_classes = false;
-
- /**
- * The type of header to use. Can be one of the following
- * values:
- *
- * <ul>
- * <li><b>GESHI_HEADER_PRE</b>: Source is outputted in
- * a &lt;pre&gt; HTML element.</li>
- * <li><b>GESHI_HEADER_DIV</b>: Source is outputted in
- * a &lt;div&gt; HTML element.</li>
- * </ul>
- *
- * @var int
- */
- protected $header_type = GESHI_HEADER_PRE;
-
- /**
- * Array of permissions for which lexics should be highlighted
- * @var array
- */
- protected $lexic_permissions = array(
- 'KEYWORDS' => array(),
- 'COMMENTS' => array('MULTI' => true),
- 'REGEXPS' => array(),
- 'ESCAPE_CHAR' => true,
- 'BRACKETS' => true,
- 'SYMBOLS' => true,
- 'STRINGS' => true,
- 'NUMBERS' => true,
- 'METHODS' => true,
- 'SCRIPT' => true
- );
-
- /**
- * The time it took to parse the code
- * @var double
- */
- protected $time = 0;
-
- /**
- * The content of the header block
- * @var string
- */
- protected $header_content = '';
-
- /**
- * The content of the footer block
- * @var string
- */
- protected $footer_content = '';
-
- /**
- * The style of the header block
- * @var string
- */
- protected $header_content_style = '';
-
- /**
- * The style of the footer block
- * @var string
- */
- protected $footer_content_style = '';
-
- /**
- * The styles for hyperlinks in the code
- * @var array
- */
- protected $link_styles = array();
-
- /**
- * Whether important blocks should be recognised or not
- * @var boolean
- * @deprecated
- * @todo REMOVE THIS FUNCTIONALITY!
- */
- protected $enable_important_blocks = false;
-
- /**
- * Styles for important parts of the code
- * @var string
- * @deprecated
- * @todo As above - rethink the whole idea of important blocks as it is buggy and
- * will be hard to implement in 1.2
- */
- protected $important_styles = 'font-weight: bold; color: red;'; // Styles for important parts of the code
-
- /**
- * Whether CSS IDs should be added to the code
- * @var boolean
- */
- protected $add_ids = false;
-
- /**
- * Lines that should be highlighted extra
- * @var array
- */
- protected $highlight_extra_lines = array();
-
- /**
- * Styles of extra-highlighted lines
- * @var string
- */
- protected $highlight_extra_lines_style = 'color: #cc0; background-color: #ffc;';
-
- /**
- * Number at which line numbers should start at
- * @var int
- * @todo Warning documentation about XHTML compliance
- */
- protected $line_numbers_start = 1;
-
- /**
- * The overall style for this code block
- * @var string
- */
- protected $overall_style = '';
-
- /**
- * The style for the actual code
- * @var string
- */
- protected $code_style = 'font-family: \'Courier New\', Courier, monospace; font-weight: normal;';
-
- /**
- * The overall class for this code block
- * @var string
- */
- protected $overall_class = '';
-
- /**
- * The overall ID for this code block
- * @var string
- */
- protected $overall_id = '';
-
- /**
- * Line number styles
- * @var string
- */
- protected $line_style1 = 'font-family: \'Courier New\', Courier, monospace; color: black; font-weight: normal; font-style: normal;';
-
- /**
- * Line number styles for fancy lines
- * @var string
- */
- protected $line_style2 = 'font-weight: bold;';
-
- /**
- * Flag for how line nubmers are displayed
- * @var boolean
- */
- protected $line_numbers = GESHI_NO_LINE_NUMBERS;
-
- /**
- * The "nth" value for fancy line highlighting
- * @var int
- */
- protected $line_nth_row = 0;
-
- /**
- * The size of tab stops
- * @var int
- */
- protected $tab_width = 8;
-
- /**
- * Default target for keyword links
- * @var string
- */
- protected $link_target = '';
-
- /**
- * The encoding to use for entity encoding
- * @var string
- */
- protected $encoding = 'ISO-8859-1';
-
- /**
- * Unused (planned for future)
- * @var int
- */
- protected $output_format = GESHI_OUTPUT_HTML;
-
- /**#@-*/
-
- /**
- * Creates a new GeSHi object, with source and language
- *
- * @param string The source code to highlight
- * @param string The language to highlight the source with
- * @param string The path to the language file directory. <b>This
- * is deprecated!</b> I've backported the auto path
- * detection from the 1.1.X dev branch, so now it
- * should be automatically set correctly. If you have
- * renamed the language directory however, you will
- * still need to set the path using this parameter or
- * {@link GeSHi::set_language_path()}
- * @since 1.0.0
- */
- function __construct ($source, $language, $path = '')
- {
- $this->set_source($source);
- $this->set_language_path($path);
- $this->set_language($language);
- }
-
- /**
- * Returns an error message associated with the last GeSHi operation,
- * or false if no error has occured
- *
- * @return string|false An error message if there has been an error, else false
- * @since 1.0.0
- */
- function error ()
- {
- if ($this->error) {
- $msg = $this->error_messages[$this->error];
- $debug_tpl_vars = array(
- '{LANGUAGE}' => $this->language,
- '{PATH}' => $this->language_path
- );
- foreach ($debug_tpl_vars as $tpl => $var) {
- $msg = str_replace($tpl, $var, $msg);
- }
- return "<br /><strong>GeSHi Error:</strong> $msg (code $this->error)<br />";
- }
- return false;
- }
-
- /**
- * Gets a human-readable language name (thanks to Simon Patterson
- * for the idea :))
- *
- * @return string The name for the current language
- * @since 1.0.2
- */
- function get_language_name ()
- {
- if (GESHI_ERROR_NO_SUCH_LANG == $this->_error) {
- return $this->language_data['LANG_NAME'] . ' (Unknown Language)';
- }
- return $this->language_data['LANG_NAME'];
- }
-
- /**
- * Sets the source code for this object
- *
- * @param string The source code to highlight
- * @since 1.0.0
- */
- function set_source ($source)
- {
- if ('' == trim($source)) {
- $this->error = GESHI_ERROR_NO_INPUT;
- }
- $this->source = $source;
- }
-
- /**
- * Sets the language for this object
- *
- * @param string The name of the language to use
- * @since 1.0.0
- */
- function set_language ($language)
- {
- $this->error = false;
- $this->strict_mode = GESHI_NEVER;
-
- $language = preg_replace('#[^a-zA-Z0-9\-_]#', '', $language);
- $this->language = strtolower($language);
-
- $file_name = $this->language_path . $this->language . '.php';
- if (!is_readable($file_name)) {
- $this->error = GESHI_ERROR_NO_SUCH_LANG;
- return;
- }
- // Load the language for parsing
- $this->load_language($file_name);
- }
-
- /**
- * Sets the path to the directory containing the language files. Note
- * that this path is relative to the directory of the script that included
- * geshi.php, NOT geshi.php itself.
- *
- * @param string The path to the language directory
- * @since 1.0.0
- * @deprecated The path to the language files should now be automatically
- * detected, so this method should no longer be needed. The
- * 1.1.X branch handles manual setting of the path differently
- * so this method will disappear in 1.2.0.
- */
- function set_language_path ($path)
- {
- if ($path) {
- $this->language_path = ('/' == substr($path, strlen($path) - 1, 1)) ? $path : $path . '/';
- }
- }
-
- /**
- * Sets the type of header to be used.
- *
- * If GESHI_HEADER_DIV is used, the code is surrounded in a "div".This
- * means more source code but more control over tab width and line-wrapping.
- * GESHI_HEADER_PRE means that a "pre" is used - less source, but less
- * control. Default is GESHI_HEADER_PRE.
- *
- * From 1.0.7.2, you can use GESHI_HEADER_NONE to specify that no header code
- * should be outputted.
- *
- * @param int The type of header to be used
- * @since 1.0.0
- */
- function set_header_type ($type)
- {
- if (GESHI_HEADER_DIV != $type && GESHI_HEADER_PRE != $type && GESHI_HEADER_NONE != $type) {
- $this->error = GESHI_ERROR_INVALID_HEADER_TYPE;
- return;
- }
- $this->header_type = $type;
- }
-
- /**
- * Sets the styles for the code that will be outputted
- * when this object is parsed. The style should be a
- * string of valid stylesheet declarations
- *
- * @param string The overall style for the outputted code block
- * @param boolean Whether to merge the styles with the current styles or not
- * @since 1.0.0
- */
- function set_overall_style ($style, $preserve_defaults = false)
- {
- if (!$preserve_defaults) {
- $this->overall_style = $style;
- } else {
- $this->overall_style .= $style;
- }
- }
-
- /**
- * Sets the overall classname for this block of code. This
- * class can then be used in a stylesheet to style this object's
- * output
- *
- * @param string The class name to use for this block of code
- * @since 1.0.0
- */
- function set_overall_class ($class)
- {
- $this->overall_class = $class;
- }
-
- /**
- * Sets the overall id for this block of code. This id can then
- * be used in a stylesheet to style this object's output
- *
- * @param string The ID to use for this block of code
- * @since 1.0.0
- */
- function set_overall_id ($id)
- {
- $this->overall_id = $id;
- }
-
- /**
- * Sets whether CSS classes should be used to highlight the source. Default
- * is off, calling this method with no arguments will turn it on
- *
- * @param boolean Whether to turn classes on or not
- * @since 1.0.0
- */
- function enable_classes ($flag = true)
- {
- $this->use_classes = ($flag) ? true : false;
- }
-
- /**
- * Sets the style for the actual code. This should be a string
- * containing valid stylesheet declarations. If $preserve_defaults is
- * true, then styles are merged with the default styles, with the
- * user defined styles having priority
- *
- * Note: Use this method to override any style changes you made to
- * the line numbers if you are using line numbers, else the line of
- * code will have the same style as the line number! Consult the
- * GeSHi documentation for more information about this.
- *
- * @param string The style to use for actual code
- * @param boolean Whether to merge the current styles with the new styles
- */
- function set_code_style ($style, $preserve_defaults = false)
- {
- if (!$preserve_defaults) {
- $this->code_style = $style;
- } else {
- $this->code_style .= $style;
- }
- }
-
- /**
- * Sets the styles for the line numbers.
- *
- * @param string The style for the line numbers that are "normal"
- * @param string|boolean If a string, this is the style of the line
- * numbers that are "fancy", otherwise if boolean then this
- * defines whether the normal styles should be merged with the
- * new normal styles or not
- * @param boolean If set, is the flag for whether to merge the "fancy"
- * styles with the current styles or not
- * @since 1.0.2
- */
- function set_line_style ($style1, $style2 = '', $preserve_defaults = false)
- {
- if (is_bool($style2)) {
- $preserve_defaults = $style2;
- $style2 = '';
- }
- if (!$preserve_defaults) {
- $this->line_style1 = $style1;
- $this->line_style2 = $style2;
- } else {
- $this->line_style1 .= $style1;
- $this->line_style2 .= $style2;
- }
- }
-
- /**
- * Sets whether line numbers should be displayed.
- *
- * Valid values for the first parameter are:
- *
- * <ul>
- * <li><b>GESHI_NO_LINE_NUMBERS</b>: Line numbers will not be displayed</li>
- * <li><b>GESHI_NORMAL_LINE_NUMBERS</b>: Line numbers will be displayed</li>
- * <li><b>GESHI_FANCY_LINE_NUMBERS</b>: Fancy line numbers will be displayed</li>
- * </ul>
- *
- * For fancy line numbers, the second parameter is used to signal which lines
- * are to be fancy. For example, if the value of this parameter is 5 then every
- * 5th line will be fancy.
- *
- * @param int How line numbers should be displayed
- * @param int Defines which lines are fancy
- * @since 1.0.0
- */
- function enable_line_numbers ($flag, $nth_row = 5)
- {
- if (GESHI_NO_LINE_NUMBERS != $flag && GESHI_NORMAL_LINE_NUMBERS != $flag
- && GESHI_FANCY_LINE_NUMBERS != $flag) {
- $this->error = GESHI_ERROR_INVALID_LINE_NUMBER_TYPE;
- }
- $this->line_numbers = $flag;
- $this->line_nth_row = $nth_row;
- }
-
- /**
- * Sets the style for a keyword group. If $preserve_defaults is
- * true, then styles are merged with the default styles, with the
- * user defined styles having priority
- *
- * @param int The key of the keyword group to change the styles of
- * @param string The style to make the keywords
- * @param boolean Whether to merge the new styles with the old or just
- * to overwrite them
- * @since 1.0.0
- */
- function set_keyword_group_style ($key, $style, $preserve_defaults = false)
- {
- if (!$preserve_defaults) {
- $this->language_data['STYLES']['KEYWORDS'][$key] = $style;
- } else {
- $this->language_data['STYLES']['KEYWORDS'][$key] .= $style;
- }
- }
-
- /**
- * Turns highlighting on/off for a keyword group
- *
- * @param int The key of the keyword group to turn on or off
- * @param boolean Whether to turn highlighting for that group on or off
- * @since 1.0.0
- */
- function set_keyword_group_highlighting ( $key, $flag = true )
- {
- $this->lexic_permissions['KEYWORDS'][$key] = ($flag) ? true : false;
- }
-
- /**
- * Sets the styles for comment groups. If $preserve_defaults is
- * true, then styles are merged with the default styles, with the
- * user defined styles having priority
- *
- * @param int The key of the comment group to change the styles of
- * @param string The style to make the comments
- * @param boolean Whether to merge the new styles with the old or just
- * to overwrite them
- * @since 1.0.0
- */
- function set_comments_style ($key, $style, $preserve_defaults = false)
- {
- if (!$preserve_defaults) {
- $this->language_data['STYLES']['COMMENTS'][$key] = $style;
- } else {
- $this->language_data['STYLES']['COMMENTS'][$key] .= $style;
- }
- }
-
- /**
- * Turns highlighting on/off for comment groups
- *
- * @param int The key of the comment group to turn on or off
- * @param boolean Whether to turn highlighting for that group on or off
- * @since 1.0.0
- */
- function set_comments_highlighting ($key, $flag = true)
- {
- $this->lexic_permissions['COMMENTS'][$key] = ($flag) ? true : false;
- }
-
- /**
- * Sets the styles for escaped characters. If $preserve_defaults is
- * true, then styles are merged with the default styles, with the
- * user defined styles having priority
- *
- * @param string The style to make the escape characters
- * @param boolean Whether to merge the new styles with the old or just
- * to overwrite them
- * @since 1.0.0
- */
- function set_escape_characters_style ($style, $preserve_defaults = false)
- {
- if (!$preserve_defaults) {
- $this->language_data['STYLES']['ESCAPE_CHAR'][0] = $style;
- } else {
- $this->language_data['STYLES']['ESCAPE_CHAR'][0] .= $style;
- }
- }
-
- /**
- * Turns highlighting on/off for escaped characters
- *
- * @param boolean Whether to turn highlighting for escape characters on or off
- * @since 1.0.0
- */
- function set_escape_characters_highlighting ($flag = true)
- {
- $this->lexic_permissions['ESCAPE_CHAR'] = ($flag) ? true : false;
- }
-
- /**
- * Sets the styles for brackets. If $preserve_defaults is
- * true, then styles are merged with the default styles, with the
- * user defined styles having priority
- *
- * This method is DEPRECATED: use set_symbols_style instead.
- * This method will be removed in 1.2.X
- *
- * @param string The style to make the brackets
- * @param boolean Whether to merge the new styles with the old or just
- * to overwrite them
- * @since 1.0.0
- * @deprecated In favour of set_symbols_style
- */
- function set_brackets_style ($style, $preserve_defaults = false)
- {
- if (!$preserve_defaults) {
- $this->language_data['STYLES']['BRACKETS'][0] = $style;
- } else {
- $this->language_data['STYLES']['BRACKETS'][0] .= $style;
- }
- }
-
- /**
- * Turns highlighting on/off for brackets
- *
- * This method is DEPRECATED: use set_symbols_highlighting instead.
- * This method will be remove in 1.2.X
- *
- * @param boolean Whether to turn highlighting for brackets on or off
- * @since 1.0.0
- * @deprecated In favour of set_symbols_highlighting
- */
- function set_brackets_highlighting ($flag)
- {
- $this->lexic_permissions['BRACKETS'] = ($flag) ? true : false;
- }
-
- /**
- * Sets the styles for symbols. If $preserve_defaults is
- * true, then styles are merged with the default styles, with the
- * user defined styles having priority
- *
- * @param string The style to make the symbols
- * @param boolean Whether to merge the new styles with the old or just
- * to overwrite them
- * @since 1.0.1
- */
- function set_symbols_style ($style, $preserve_defaults = false)
- {
- if (!$preserve_defaults) {
- $this->language_data['STYLES']['SYMBOLS'][0] = $style;
- } else {
- $this->language_data['STYLES']['SYMBOLS'][0] .= $style;
- }
- // For backward compatibility
- $this->set_brackets_style ($style, $preserve_defaults);
- }
-
- /**
- * Turns highlighting on/off for symbols
- *
- * @param boolean Whether to turn highlighting for symbols on or off
- * @since 1.0.0
- */
- function set_symbols_highlighting ($flag)
- {
- $this->lexic_permissions['SYMBOLS'] = ($flag) ? true : false;
- // For backward compatibility
- $this->set_brackets_highlighting ($flag);
- }
-
- /**
- * Sets the styles for strings. If $preserve_defaults is
- * true, then styles are merged with the default styles, with the
- * user defined styles having priority
- *
- * @param string The style to make the escape characters
- * @param boolean Whether to merge the new styles with the old or just
- * to overwrite them
- * @since 1.0.0
- */
- function set_strings_style ($style, $preserve_defaults = false)
- {
- if (!$preserve_defaults) {
- $this->language_data['STYLES']['STRINGS'][0] = $style;
- } else {
- $this->language_data['STYLES']['STRINGS'][0] .= $style;
- }
- }
-
- /**
- * Turns highlighting on/off for strings
- *
- * @param boolean Whether to turn highlighting for strings on or off
- * @since 1.0.0
- */
- function set_strings_highlighting ($flag)
- {
- $this->lexic_permissions['STRINGS'] = ($flag) ? true : false;
- }
-
- /**
- * Sets the styles for numbers. If $preserve_defaults is
- * true, then styles are merged with the default styles, with the
- * user defined styles having priority
- *
- * @param string The style to make the numbers
- * @param boolean Whether to merge the new styles with the old or just
- * to overwrite them
- * @since 1.0.0
- */
- function set_numbers_style ($style, $preserve_defaults = false)
- {
- if (!$preserve_defaults) {
- $this->language_data['STYLES']['NUMBERS'][0] = $style;
- } else {
- $this->language_data['STYLES']['NUMBERS'][0] .= $style;
- }
- }
-
- /**
- * Turns highlighting on/off for numbers
- *
- * @param boolean Whether to turn highlighting for numbers on or off
- * @since 1.0.0
- */
- function set_numbers_highlighting ($flag)
- {
- $this->lexic_permissions['NUMBERS'] = ($flag) ? true : false;
- }
-
- /**
- * Sets the styles for methods. $key is a number that references the
- * appropriate "object splitter" - see the language file for the language
- * you are highlighting to get this number. If $preserve_defaults is
- * true, then styles are merged with the default styles, with the
- * user defined styles having priority
- *
- * @param int The key of the object splitter to change the styles of
- * @param string The style to make the methods
- * @param boolean Whether to merge the new styles with the old or just
- * to overwrite them
- * @since 1.0.0
- */
- function set_methods_style ($key, $style, $preserve_defaults = false)
- {
- if (!$preserve_defaults) {
- $this->language_data['STYLES']['METHODS'][$key] = $style;
- } else {
- $this->language_data['STYLES']['METHODS'][$key] .= $style;
- }
- }
-
- /**
- * Turns highlighting on/off for methods
- *
- * @param boolean Whether to turn highlighting for methods on or off
- * @since 1.0.0
- */
- function set_methods_highlighting ($flag)
- {
- $this->lexic_permissions['METHODS'] = ($flag) ? true : false;
- }
-
- /**
- * Sets the styles for regexps. If $preserve_defaults is
- * true, then styles are merged with the default styles, with the
- * user defined styles having priority
- *
- * @param string The style to make the regular expression matches
- * @param boolean Whether to merge the new styles with the old or just
- * to overwrite them
- * @since 1.0.0
- */
- function set_regexps_style ($key, $style, $preserve_defaults = false)
- {
- if (!$preserve_defaults) {
- $this->language_data['STYLES']['REGEXPS'][$key] = $style;
- } else {
- $this->language_data['STYLES']['REGEXPS'][$key] .= $style;
- }
- }
-
- /**
- * Turns highlighting on/off for regexps
- *
- * @param int The key of the regular expression group to turn on or off
- * @param boolean Whether to turn highlighting for the regular expression group on or off
- * @since 1.0.0
- */
- function set_regexps_highlighting ($key, $flag)
- {
- $this->lexic_permissions['REGEXPS'][$key] = ($flag) ? true : false;
- }
-
- /**
- * Sets whether a set of keywords are checked for in a case sensitive manner
- *
- * @param int The key of the keyword group to change the case sensitivity of
- * @param boolean Whether to check in a case sensitive manner or not
- * @since 1.0.0
- */
- function set_case_sensitivity ($key, $case)
- {
- $this->language_data['CASE_SENSITIVE'][$key] = ($case) ? true : false;
- }
-
- /**
- * Sets the case that keywords should use when found. Use the constants:
- *
- * <ul>
- * <li><b>GESHI_CAPS_NO_CHANGE</b>: leave keywords as-is</li>
- * <li><b>GESHI_CAPS_UPPER</b>: convert all keywords to uppercase where found</li>
- * <li><b>GESHI_CAPS_LOWER</b>: convert all keywords to lowercase where found</li>
- * </ul>
- *
- * @param int A constant specifying what to do with matched keywords
- * @since 1.0.1
- * @todo Error check the passed value
- */
- function set_case_keywords ($case)
- {
- $this->language_data['CASE_KEYWORDS'] = $case;
- }
-
- /**
- * Sets how many spaces a tab is substituted for
- *
- * Widths below zero are ignored
- *
- * @param int The tab width
- * @since 1.0.0
- */
- function set_tab_width ($width)
- {
- $this->tab_width = intval($width);
- }
-
- /**
- * Enables/disables strict highlighting. Default is off, calling this
- * method without parameters will turn it on. See documentation
- * for more details on strict mode and where to use it.
- *
- * @param boolean Whether to enable strict mode or not
- * @since 1.0.0
- */
- function enable_strict_mode ($mode = true)
- {
- if (GESHI_MAYBE == $this->language_data['STRICT_MODE_APPLIES']) {
- $this->strict_mode = ($mode) ? true : false;
- }
- }
-
- /**
- * Disables all highlighting
- *
- * @since 1.0.0
- * @todo Rewrite with an array traversal
- */
- function disable_highlighting ()
- {
- foreach ($this->lexic_permissions as $key => $value) {
- if (is_array($value)) {
- foreach ($value as $k => $v) {
- $this->lexic_permissions[$key][$k] = false;
- }
- } else {
- $this->lexic_permissions[$key] = false;
- }
- }
- // Context blocks
- $this->enable_important_blocks = false;
- }
-
- /**
- * Enables all highlighting
- *
- * @since 1.0.0
- * @todo Rewrite with array traversal
- */
- function enable_highlighting ()
- {
- foreach ($this->lexic_permissions as $key => $value) {
- if (is_array($value)) {
- foreach ($value as $k => $v) {
- $this->lexic_permissions[$key][$k] = true;
- }
- } else {
- $this->lexic_permissions[$key] = true;
- }
- }
- // Context blocks
- $this->enable_important_blocks = true;
- }
-
- /**
- * Given a file extension, this method returns either a valid geshi language
- * name, or the empty string if it couldn't be found
- *
- * @param string The extension to get a language name for
- * @param array A lookup array to use instead of the default
- * @since 1.0.5
- * @todo Re-think about how this method works (maybe make it private and/or make it
- * a extension->lang lookup?)
- * @todo static?
- */
- function get_language_name_from_extension ( $extension, $lookup = array() )
- {
- if ( !$lookup )
- {
- $lookup = array(
- 'actionscript' => array('as'),
- 'ada' => array('a', 'ada', 'adb', 'ads'),
- 'apache' => array('conf'),
- 'asm' => array('ash', 'asm'),
- 'asp' => array('asp'),
- 'bash' => array('sh'),
- 'c' => array('c'),
- 'c_mac' => array('c'),
- 'caddcl' => array(),
- 'cadlisp' => array(),
- 'cpp' => array('cpp'),
- 'csharp' => array(),
- 'css' => array('css'),
- 'delphi' => array('dpk', 'dpr'),
- 'html4strict' => array('html', 'htm'),
- 'java' => array('java'),
- 'javascript' => array('js'),
- 'lisp' => array('lisp'),
- 'lua' => array('lua'),
- 'mpasm' => array(),
- 'nsis' => array(),
- 'objc' => array(),
- 'oobas' => array(),
- 'oracle8' => array(),
- 'pascal' => array('pas'),
- 'perl' => array('pl', 'pm'),
- 'php' => array('php', 'php5', 'phtml', 'phps'),
- 'python' => array('py'),
- 'qbasic' => array('bi'),
- 'smarty' => array(),
- 'vb' => array('bas'),
- 'vbnet' => array(),
- 'visualfoxpro' => array(),
- 'xml' => array('xml')
- );
- }
-
- foreach ($lookup as $lang => $extensions) {
- foreach ($extensions as $ext) {
- if ($ext == $extension) {
- return $lang;
- }
- }
- }
- return '';
- }
-
- /**
- * Given a file name, this method loads its contents in, and attempts
- * to set the language automatically. An optional lookup table can be
- * passed for looking up the language name. If not specified a default
- * table is used
- *
- * The language table is in the form
- * <pre>array(
- * 'lang_name' => array('extension', 'extension', ...),
- * 'lang_name' ...
- * );</pre>
- *
- * @todo Complete rethink of this and above method
- * @since 1.0.5
- */
- function load_from_file ($file_name, $lookup = array())
- {
- if (is_readable($file_name)) {
- $this->set_source(implode('', file($file_name)));
- $this->set_language($this->get_language_name_from_extension(substr(strrchr($file_name, '.'), 1), $lookup));
- } else {
- $this->error = GESHI_ERROR_FILE_NOT_READABLE;
- }
- }
-
- /**
- * Adds a keyword to a keyword group for highlighting
- *
- * @param int The key of the keyword group to add the keyword to
- * @param string The word to add to the keyword group
- * @since 1.0.0
- */
- function add_keyword ($key, $word)
- {
- $this->language_data['KEYWORDS'][$key][] = $word;
- }
-
- /**
- * Removes a keyword from a keyword group
- *
- * @param int The key of the keyword group to remove the keyword from
- * @param string The word to remove from the keyword group
- * @since 1.0.0
- */
- function remove_keyword ($key, $word)
- {
- $this->language_data['KEYWORDS'][$key] =
- array_diff($this->language_data['KEYWORDS'][$key], array($word));
- }
-
- /**
- * Creates a new keyword group
- *
- * @param int The key of the keyword group to create
- * @param string The styles for the keyword group
- * @param boolean Whether the keyword group is case sensitive ornot
- * @param array The words to use for the keyword group
- * @since 1.0.0
- */
- function add_keyword_group ( $key, $styles, $case_sensitive = true, $words = array() )
- {
- $words = (array) $words;
- $this->language_data['KEYWORDS'][$key] = $words;
- $this->lexic_permissions['KEYWORDS'][$key] = true;
- $this->language_data['CASE_SENSITIVE'][$key] = $case_sensitive;
- $this->language_data['STYLES']['KEYWORDS'][$key] = $styles;
- }
-
- /**
- * Removes a keyword group
- *
- * @param int The key of the keyword group to remove
- * @since 1.0.0
- */
- function remove_keyword_group ($key)
- {
- unset($this->language_data['KEYWORDS'][$key]);
- unset($this->lexic_permissions['KEYWORDS'][$key]);
- unset($this->language_data['CASE_SENSITIVE'][$key]);
- unset($this->language_data['STYLES']['KEYWORDS'][$key]);
- }
-
- /**
- * Sets the content of the header block
- *
- * @param string The content of the header block
- * @since 1.0.2
- */
- function set_header_content ($content)
- {
- $this->header_content = $content;
- }
-
- /**
- * Sets the content of the footer block
- *
- * @param string The content of the footer block
- * @since 1.0.2
- */
- function set_footer_content ($content)
- {
- $this->footer_content = $content;
- }
-
- /**
- * Sets the style for the header content
- *
- * @param string The style for the header content
- * @since 1.0.2
- */
- function set_header_content_style ($style)
- {
- $this->header_content_style = $style;
- }
-
- /**
- * Sets the style for the footer content
- *
- * @param string The style for the footer content
- * @since 1.0.2
- */
- function set_footer_content_style ($style)
- {
- $this->footer_content_style = $style;
- }
-
- /**
- * Sets the base URL to be used for keywords
- *
- * @param int The key of the keyword group to set the URL for
- * @param string The URL to set for the group. If {FNAME} is in
- * the url somewhere, it is replaced by the keyword
- * that the URL is being made for
- * @since 1.0.2
- */
- function set_url_for_keyword_group ($group, $url)
- {
- $this->language_data['URLS'][$group] = $url;
- }
-
- /**
- * Sets styles for links in code
- *
- * @param int A constant that specifies what state the style is being
- * set for - e.g. :hover or :visited
- * @param string The styles to use for that state
- * @since 1.0.2
- */
- function set_link_styles ($type, $styles)
- {
- $this->link_styles[$type] = $styles;
- }
-
- /**
- * Sets the target for links in code
- *
- * @param string The target for links in the code, e.g. _blank
- * @since 1.0.3
- */
- function set_link_target ( $target )
- {
- if (!$target) {
- $this->link_target = '';
- } else {
- $this->link_target = ' target="' . $target . '" ';
- }
- }
-
- /**
- * Sets styles for important parts of the code
- *
- * @param string The styles to use on important parts of the code
- * @since 1.0.2
- */
- function set_important_styles ($styles)
- {
- $this->important_styles = $styles;
- }
-
- /**
- * Sets whether context-important blocks are highlighted
- *
- * @todo REMOVE THIS SHIZ FROM GESHI!
- * @deprecated
- */
- function enable_important_blocks ( $flag )
- {
- $this->enable_important_blocks = ( $flag ) ? true : false;
- }
-
- /**
- * Whether CSS IDs should be added to each line
- *
- * @param boolean If true, IDs will be added to each line.
- * @since 1.0.2
- */
- function enable_ids ($flag = true)
- {
- $this->add_ids = ($flag) ? true : false;
- }
-
- /**
- * Specifies which lines to highlight extra
- *
- * @param mixed An array of line numbers to highlight, or just a line
- * number on its own.
- * @since 1.0.2
- * @todo Some data replication here that could be cut down on
- */
- function highlight_lines_extra ($lines)
- {
- if (is_array($lines)) {
- foreach ($lines as $line) {
- $this->highlight_extra_lines[intval($line)] = intval($line);
- }
- } else {
- $this->highlight_extra_lines[intval($lines)] = intval($lines);
- }
- }
-
- /**
- * Sets the style for extra-highlighted lines
- *
- * @param string The style for extra-highlighted lines
- * @since 1.0.2
- */
- function set_highlight_lines_extra_style ($styles)
- {
- $this->highlight_extra_lines_style = $styles;
- }
-
- /**
- * Sets what number line numbers should start at. Should
- * be a positive integer, and will be converted to one.
- *
- * <b>Warning:</b> Using this method will add the "start"
- * attribute to the &lt;ol&gt; that is used for line numbering.
- * This is <b>not</b> valid XHTML strict, so if that's what you
- * care about then don't use this method. Firefox is getting
- * support for the CSS method of doing this in 1.1 and Opera
- * has support for the CSS method, but (of course) IE doesn't
- * so it's not worth doing it the CSS way yet.
- *
- * @param int The number to start line numbers at
- * @since 1.0.2
- */
- function start_line_numbers_at ($number)
- {
- $this->line_numbers_start = abs(intval($number));
- }
-
- /**
- * Sets the encoding used for htmlspecialchars(), for international
- * support.
- *
- * @param string The encoding to use for the source
- * @since 1.0.3
- */
- function set_encoding ($encoding)
- {
- if ($encoding) {
- $this->encoding = $encoding;
- }
- }
-
- /**
- * Returns the code in $this->source, highlighted and surrounded by the
- * nessecary HTML.
- *
- * This should only be called ONCE, cos it's SLOW! If you want to highlight
- * the same source multiple times, you're better off doing a whole lot of
- * str_replaces to replace the &lt;span&gt;s
- *
- * @since 1.0.0
- */
- function parse_code ()
- {
- // Start the timer
- $start_time = microtime();
-
- // Firstly, if there is an error, we won't highlight
- if ($this->error) {
- $result = $this->header();
- if ($this->header_type != GESHI_HEADER_PRE) {
- $result .= $this->indent(@htmlspecialchars($this->source, ENT_COMPAT, $this->encoding));
- } else {
- $result .= @htmlspecialchars($this->source, ENT_COMPAT, $this->encoding);
- }
- // Stop Timing
- $this->set_time($start_time, microtime());
- return $result . $this->footer();
- }
-
- // Add spaces for regular expression matching and line numbers
- $code = ' ' . $this->source . ' ';
- // Replace all newlines to a common form.
- $code = str_replace("\r\n", "\n", $code);
- $code = str_replace("\r", "\n", $code);
-
- // Initialise various stuff
- $length = strlen($code);
- $STRING_OPEN = '';
- $CLOSE_STRING = false;
- $ESCAPE_CHAR_OPEN = false;
- $COMMENT_MATCHED = false;
- // Turn highlighting on if strict mode doesn't apply to this language
- $HIGHLIGHTING_ON = ( !$this->strict_mode ) ? true : '';
- // Whether to highlight inside a block of code
- $HIGHLIGHT_INSIDE_STRICT = false;
- $stuff_to_parse = '';
- $result = '';
-
- // "Important" selections are handled like multiline comments
- // @todo GET RID OF THIS SHIZ
- if ($this->enable_important_blocks) {
- $this->language_data['COMMENT_MULTI'][GESHI_START_IMPORTANT] = GESHI_END_IMPORTANT;
- }
-
- if ($this->strict_mode) {
- // Break the source into bits. Each bit will be a portion of the code
- // within script delimiters - for example, HTML between < and >
- $parts = array(0 => array(0 => ''));
- $k = 0;
- for ($i = 0; $i < $length; $i++) {
- $char = substr($code, $i, 1);
- if (!$HIGHLIGHTING_ON) {
- foreach ($this->language_data['SCRIPT_DELIMITERS'] as $key => $delimiters) {
- foreach ($delimiters as $open => $close) {
- // Get the next little bit for this opening string
- $check = substr($code, $i, strlen($open));
- // If it matches...
- if ($check == $open) {
- // We start a new block with the highlightable
- // code in it
- $HIGHLIGHTING_ON = $open;
- $i += strlen($open) - 1;
- $char = $open;
- $parts[++$k][0] = $char;
-
- // No point going around again...
- break(2);
- }
- }
- }
- } else {
- foreach ($this->language_data['SCRIPT_DELIMITERS'] as $key => $delimiters) {
- foreach ($delimiters as $open => $close) {
- if ($open == $HIGHLIGHTING_ON) {
- // Found the closing tag
- break(2);
- }
- }
- }
- // We check code from our current position BACKWARDS. This is so
- // the ending string for highlighting can be included in the block
- $check = substr($code, $i - strlen($close) + 1, strlen($close));
- if ($check == $close) {
- $HIGHLIGHTING_ON = '';
- // Add the string to the rest of the string for this part
- $parts[$k][1] = ( isset($parts[$k][1]) ) ? $parts[$k][1] . $char : $char;
- $parts[++$k][0] = '';
- $char = '';
- }
- }
- $parts[$k][1] = ( isset($parts[$k][1]) ) ? $parts[$k][1] . $char : $char;
- }
- $HIGHLIGHTING_ON = '';
- } else {
- // Not strict mode - simply dump the source into
- // the array at index 1 (the first highlightable block)
- $parts = array(
- 1 => array(
- 0 => '',
- 1 => $code
- )
- );
- }
-
- // Now we go through each part. We know that even-indexed parts are
- // code that shouldn't be highlighted, and odd-indexed parts should
- // be highlighted
- foreach ($parts as $key => $data) {
- $part = $data[1];
- // If this block should be highlighted...
- if ($key % 2) {
- if ($this->strict_mode) {
- // Find the class key for this block of code
- foreach ($this->language_data['SCRIPT_DELIMITERS'] as $script_key => $script_data) {
- foreach ($script_data as $open => $close) {
- if ($data[0] == $open) {
- break(2);
- }
- }
- }
-
- if ($this->language_data['STYLES']['SCRIPT'][$script_key] != '' &&
- $this->lexic_permissions['SCRIPT']) {
- // Add a span element around the source to
- // highlight the overall source block
- if (!$this->use_classes &&
- $this->language_data['STYLES']['SCRIPT'][$script_key] != '') {
- $attributes = ' style="' . $this->language_data['STYLES']['SCRIPT'][$script_key] . '"';
- } else {
- $attributes = ' class="sc' . $script_key . '"';
- }
- $result .= "<span$attributes>";
- }
- }
-
- if (!$this->strict_mode || $this->language_data['HIGHLIGHT_STRICT_BLOCK'][$script_key]) {
- // Now, highlight the code in this block. This code
- // is really the engine of GeSHi (along with the method
- // parse_non_string_part).
- $length = strlen($part);
- for ($i = 0; $i < $length; $i++) {
- // Get the next char
- $char = substr($part, $i, 1);
- // Is this char the newline and line numbers being used?
- if (($this->line_numbers != GESHI_NO_LINE_NUMBERS
- || count($this->highlight_extra_lines) > 0)
- && $char == "\n") {
- // If so, is there a string open? If there is, we should end it before
- // the newline and begin it again (so when <li>s are put in the source
- // remains XHTML compliant)
- // note to self: This opens up possibility of config files specifying
- // that languages can/cannot have multiline strings???
- if ($STRING_OPEN) {
- if (!$this->use_classes) {
- $attributes = ' style="' . $this->language_data['STYLES']['STRINGS'][0] . '"';
- } else {
- $attributes = ' class="st0"';
- }
- $char = '</span>' . $char . "<span$attributes>";
- }
- } elseif ($char == $STRING_OPEN) {
- // A match of a string delimiter
- if (($this->lexic_permissions['ESCAPE_CHAR'] && $ESCAPE_CHAR_OPEN) ||
- ($this->lexic_permissions['STRINGS'] && !$ESCAPE_CHAR_OPEN)) {
- $char .= '</span>';
- }
- if (!$ESCAPE_CHAR_OPEN) {
- $STRING_OPEN = '';
- $CLOSE_STRING = true;
- }
- $ESCAPE_CHAR_OPEN = false;
- } elseif (in_array($char, $this->language_data['QUOTEMARKS']) &&
- ($STRING_OPEN == '') && $this->lexic_permissions['STRINGS']) {
- // The start of a new string
- $STRING_OPEN = $char;
- if (!$this->use_classes) {
- $attributes = ' style="' . $this->language_data['STYLES']['STRINGS'][0] . '"';
- } else {
- $attributes = ' class="st0"';
- }
- $char = "<span$attributes>" . $char;
-
- $result .= $this->parse_non_string_part( $stuff_to_parse );
- $stuff_to_parse = '';
- } elseif (($char == $this->language_data['ESCAPE_CHAR']) && ($STRING_OPEN != '')) {
- // An escape character
- if (!$ESCAPE_CHAR_OPEN) {
- $ESCAPE_CHAR_OPEN = true;
- if ($this->lexic_permissions['ESCAPE_CHAR']) {
- if (!$this->use_classes) {
- $attributes = ' style="' . $this->language_data['STYLES']['ESCAPE_CHAR'][0] . '"';
- } else {
- $attributes = ' class="es0"';
- }
- $char = "<span$attributes>" . $char;
- if (substr($code, $i + 1, 1) == "\n") {
- // escaping a newline, what's the point in putting the span around
- // the newline? It only causes hassles when inserting line numbers
- $char .= '</span>';
- $ESCAPE_CHAR_OPEN = false;
- }
- }
- } else {
- $ESCAPE_CHAR_OPEN = false;
- if ($this->lexic_permissions['ESCAPE_CHAR']) {
- $char .= '</span>';
- }
- }
- } elseif ($ESCAPE_CHAR_OPEN) {
- if ($this->lexic_permissions['ESCAPE_CHAR']) {
- $char .= '</span>';
- }
- $ESCAPE_CHAR_OPEN = false;
- $test_str = $char;
- } elseif ($STRING_OPEN == '') {
- // Is this a multiline comment?
- foreach ($this->language_data['COMMENT_MULTI'] as $open => $close) {
- $com_len = strlen($open);
- $test_str = substr( $part, $i, $com_len );
- $test_str_match = $test_str;
- if ($open == $test_str) {
- $COMMENT_MATCHED = true;
- //@todo If remove important do remove here
- if ($this->lexic_permissions['COMMENTS']['MULTI'] ||
- $test_str == GESHI_START_IMPORTANT) {
- if ($test_str != GESHI_START_IMPORTANT) {
- if (!$this->use_classes) {
- $attributes = ' style="' . $this->language_data['STYLES']['COMMENTS']['MULTI'] . '"';
- } else {
- $attributes = ' class="coMULTI"';
- }
- $test_str = "<span$attributes>" . @htmlspecialchars($test_str, ENT_COMPAT, $this->encoding);
- } else {
- if (!$this->use_classes) {
- $attributes = ' style="' . $this->important_styles . '"';
- } else {
- $attributes = ' class="imp"';
- }
- // We don't include the start of the comment if it's an
- // "important" part
- $test_str = "<span$attributes>";
- }
- } else {
- $test_str = @htmlspecialchars($test_str, ENT_COMPAT, $this->encoding);
- }
-
- $close_pos = strpos( $part, $close, $i + strlen($close) );
-
- if ($close_pos === false) {
- $close_pos = strlen($part);
- }
-
- // Short-cut through all the multiline code
- $rest_of_comment = @htmlspecialchars(substr($part, $i + $com_len, $close_pos - $i), ENT_COMPAT, $this->encoding);
- if (($this->lexic_permissions['COMMENTS']['MULTI'] ||
- $test_str_match == GESHI_START_IMPORTANT) &&
- ($this->line_numbers != GESHI_NO_LINE_NUMBERS ||
- count($this->highlight_extra_lines) > 0)) {
- // strreplace to put close span and open span around multiline newlines
- $test_str .= str_replace("\n", "</span>\n<span$attributes>", $rest_of_comment);
- } else {
- $test_str .= $rest_of_comment;
- }
-
- if ($this->lexic_permissions['COMMENTS']['MULTI'] ||
- $test_str_match == GESHI_START_IMPORTANT) {
- $test_str .= '</span>';
- }
- $i = $close_pos + $com_len - 1;
- // parse the rest
- $result .= $this->parse_non_string_part($stuff_to_parse);
- $stuff_to_parse = '';
- break;
- }
- }
- // If we haven't matched a multiline comment, try single-line comments
- if (!$COMMENT_MATCHED) {
- foreach ($this->language_data['COMMENT_SINGLE'] as $comment_key => $comment_mark) {
- $com_len = strlen($comment_mark);
- $test_str = substr($part, $i, $com_len);
- if ($this->language_data['CASE_SENSITIVE'][GESHI_COMMENTS]) {
- $match = ($comment_mark == $test_str);
- } else {
- $match = (strtolower($comment_mark) == strtolower($test_str));
- }
- if ($match) {
- $COMMENT_MATCHED = true;
- if ($this->lexic_permissions['COMMENTS'][$comment_key]) {
- if (!$this->use_classes) {
- $attributes = ' style="' . $this->language_data['STYLES']['COMMENTS'][$comment_key] . '"';
- } else {
- $attributes = ' class="co' . $comment_key . '"';
- }
- $test_str = "<span$attributes>" . @htmlspecialchars($this->change_case($test_str), ENT_COMPAT, $this->encoding);
- } else {
- $test_str = @htmlspecialchars($test_str, ENT_COMPAT, $this->encoding);
- }
- $close_pos = strpos($part, "\n", $i);
- $oops = false;
- if ($close_pos === false) {
- $close_pos = strlen($part);
- $oops = true;
- }
- $test_str .= @htmlspecialchars(substr($part, $i + $com_len, $close_pos - $i - $com_len), ENT_COMPAT, $this->encoding);
- if ($this->lexic_permissions['COMMENTS'][$comment_key]) {
- $test_str .= "</span>";
- }
- // Take into account that the comment might be the last in the source
- if (!$oops) {
- $test_str .= "\n";
- }
- $i = $close_pos;
- // parse the rest
- $result .= $this->parse_non_string_part($stuff_to_parse);
- $stuff_to_parse = '';
- break;
- }
- }
- }
- } elseif ($STRING_OPEN != '') {
- // Otherwise, convert it to HTML form
- if (strtolower($this->encoding) == 'utf-8') {
- //only escape <128 (we don't want to break multibyte chars)
- if (ord($char) < 128) {
- $char = @htmlspecialchars($char, ENT_COMPAT, $this->encoding);
- }
- } else {
- //encode everthing
- $char = @htmlspecialchars($char, ENT_COMPAT, $this->encoding);
- }
- }
- // Where are we adding this char?
- if (!$COMMENT_MATCHED) {
- if (($STRING_OPEN == '') && !$CLOSE_STRING) {
- $stuff_to_parse .= $char;
- } else {
- $result .= $char;
- $CLOSE_STRING = false;
- }
- } else {
- $result .= $test_str;
- $COMMENT_MATCHED = false;
- }
- }
- // Parse the last bit
- $result .= $this->parse_non_string_part($stuff_to_parse);
- $stuff_to_parse = '';
- } else {
- $result .= @htmlspecialchars($part, ENT_COMPAT, $this->encoding);
- }
- // Close the <span> that surrounds the block
- if ($this->strict_mode && $this->language_data['STYLES']['SCRIPT'][$script_key] != '' &&
- $this->lexic_permissions['SCRIPT']) {
- $result .= '</span>';
- }
- } else {
- // Else not a block to highlight
- $result .= @htmlspecialchars($part, ENT_COMPAT, $this->encoding);
- }
- }
-
- // Parse the last stuff (redundant?)
- $result .= $this->parse_non_string_part($stuff_to_parse);
-
- // Lop off the very first and last spaces
- $result = substr($result, 1, strlen($result) - 1);
-
- // Are we still in a string?
- if ($STRING_OPEN) {
- $result .= '</span>';
- }
-
- // We're finished: stop timing
- $this->set_time($start_time, microtime());
-
- return $this->finalise($result);
- }
-
- /**
- * Swaps out spaces and tabs for HTML indentation. Not needed if
- * the code is in a pre block...
- *
- * @param string The source to indent
- * @return string The source with HTML indenting applied
- * @since 1.0.0
- * @access private
- */
- function indent ($result)
- {
- /// Replace tabs with the correct number of spaces
- if (false !== strpos($result, "\t")) {
- $lines = explode("\n", $result);
- foreach ($lines as $key => $line) {
- if (false === strpos($line, "\t")) {
- $lines[$key] = $line;
- continue;
- }//echo 'checking line ' . $key . '<br />';
-
- $pos = 0;
- $tab_width = $this->tab_width;
- $length = strlen($line);
- $result_line = '';
-
- //echo '<pre>line: ' . htmlspecialchars($line) . '</pre>';
- $IN_TAG = false;
- for ($i = 0; $i < $length; $i++) {
- $char = substr($line, $i, 1);
- // Simple engine to work out whether we're in a tag.
- // If we are we modify $pos. This is so we ignore HTML
- // in the line and only workout the tab replacement
- // via the actual content of the string
- // This test could be improved to include strings in the
- // html so that < or > would be allowed in user's styles
- // (e.g. quotes: '<' '>'; or similar)
- if ($IN_TAG && '>' == $char) {
- $IN_TAG = false;
- $result_line .= '>';
- ++$pos;
- } elseif (!$IN_TAG && '<' == $char) {
- $IN_TAG = true;
- $result_line .= '<';
- ++$pos;
- } elseif (!$IN_TAG && '&' == $char) {
- //echo "matched &amp; in line... ";
- $substr = substr($line, $i + 3, 4);
- //$substr_5 = substr($line, 5, 1);
- $posi = strpos($substr, ';');
- if (false !== $posi) {
- //echo "found entity at $posi\n";
- $pos += $posi + 3;
- }
- $result_line .= '&';
- } elseif (!$IN_TAG && "\t" == $char) {
- $str = '';
- // OPTIMISE - move $strs out. Make an array:
- // $tabs = array(
- // 1 => '&nbsp;',
- // 2 => '&nbsp; ',
- // 3 => '&nbsp; &nbsp;' etc etc
- // to use instead of building a string every time
- $strs = array(0 => '&nbsp;', 1 => ' ');
- //echo "building (pos=$pos i=$i) (" . ($i - $pos) . ") " . ($tab_width - (($i - $pos) % $tab_width)) . " spaces\n";
- for ($k = 0; $k < ($tab_width - (($i - $pos) % $tab_width)); $k++) $str .= $strs[$k % 2];
- $result_line .= $str;
- //$pos--;
- $pos++;
- //$pos -= $tab_width-1;
-
- if (false === strpos($line, "\t", $i + 1)) {
- //$lines[$key] = $result_line;
- //echo 'got here';
- $result_line .= substr($line, $i + 1);
- break;
- }
- } elseif ( $IN_TAG ) {
- ++$pos;
- $result_line .= $char;
- } else {
- $result_line .= $char;
- //++$pos;
- }
- }
- $lines[$key] = $result_line;
- }
- $result = implode("\n", $lines);
- }
- // Other whitespace
- $result = str_replace(' ', '&nbsp; ', $result);
- $result = str_replace(' ', ' &nbsp;', $result);
- $result = str_replace("\n ", "\n&nbsp;", $result);
-
- if ($this->line_numbers == GESHI_NO_LINE_NUMBERS) {
- $result = nl2br($result);
- }
- return $result;
- }
-
- /**
- * Changes the case of a keyword for those languages where a change is asked for
- *
- * @param string The keyword to change the case of
- * @return string The keyword with its case changed
- * @since 1.0.0
- * @access private
- */
- function change_case ($instr)
- {
- if ($this->language_data['CASE_KEYWORDS'] == GESHI_CAPS_UPPER) {
- return strtoupper($instr);
- } elseif ($this->language_data['CASE_KEYWORDS'] == GESHI_CAPS_LOWER) {
- return strtolower($instr);
- }
- return $instr;
- }
-
- /**
- * Adds a url to a keyword where needed.
- *
- * @param string The keyword to add the URL HTML to
- * @param int What group the keyword is from
- * @param boolean Whether to get the HTML for the start or end
- * @return The HTML for either the start or end of the HTML &lt;a&gt; tag
- * @since 1.0.2
- * @access private
- * @todo Get rid of ender
- */
- function add_url_to_keyword ($keyword, $group, $start_or_end)
- {
- if (isset($this->language_data['URLS'][$group]) &&
- $this->language_data['URLS'][$group] != '' &&
- substr($keyword, 0, 5) != '&lt;/') {
- // There is a base group for this keyword
- if ($start_or_end == 'BEGIN') {
- // HTML workaround... not good form (tm) but should work for 1.0.X
- $keyword = ( substr($keyword, 0, 4) == '&lt;' ) ? substr($keyword, 4) : $keyword;
- $keyword = ( substr($keyword, -4) == '&gt;' ) ? substr($keyword, 0, strlen($keyword) - 4) : $keyword;
- if ($keyword != '') {
- $keyword = ( $this->language_data['CASE_SENSITIVE'][$group] ) ? $keyword : strtolower($keyword);
- return '<|UR1|"' .
- str_replace(
- array('{FNAME}', '.'),
- array(@htmlspecialchars($keyword, ENT_COMPAT, $this->encoding), '<DOT>'),
- $this->language_data['URLS'][$group]
- ) . '">';
- }
- return '';
- // HTML fix. Again, dirty hackage...
- } elseif (!($this->language == 'html4strict' && '&gt;' == $keyword)) {
- return '</a>';
- }
- }
- }
-
- /**
- * Takes a string that has no strings or comments in it, and highlights
- * stuff like keywords, numbers and methods.
- *
- * @param string The string to parse for keyword, numbers etc.
- * @since 1.0.0
- * @access private
- * @todo BUGGY! Why? Why not build string and return?
- */
- function parse_non_string_part (&$stuff_to_parse)
- {
- $stuff_to_parse = ' ' . quotemeta(@htmlspecialchars($stuff_to_parse, ENT_COMPAT, $this->encoding));
- // These vars will disappear in the future
- $func = '$this->change_case';
- $func2 = '$this->add_url_to_keyword';
-
- //
- // Regular expressions
- //
- foreach ($this->language_data['REGEXPS'] as $key => $regexp) {
- if ($this->lexic_permissions['REGEXPS'][$key]) {
- if (is_array($regexp)) {
- $stuff_to_parse = preg_replace(
- "#" .
- $regexp[GESHI_SEARCH] .
- "#{$regexp[GESHI_MODIFIERS]}",
- "{$regexp[GESHI_BEFORE]}<|!REG3XP$key!>{$regexp[GESHI_REPLACE]}|>{$regexp[GESHI_AFTER]}",
- $stuff_to_parse
- );
- } else {
- $stuff_to_parse = preg_replace( "#(" . $regexp . ")#", "<|!REG3XP$key!>\\1|>", $stuff_to_parse);
- }
- }
- }
-
- //
- // Highlight numbers. This regexp sucks... anyone with a regexp that WORKS
- // here wins a cookie if they send it to me. At the moment there's two doing
- // almost exactly the same thing, except the second one prevents a number
- // being highlighted twice (eg <span...><span...>5</span></span>)
- // Put /NUM!/ in for the styles, which gets replaced at the end.
- //
- if ($this->lexic_permissions['NUMBERS'] && preg_match('#[0-9]#', $stuff_to_parse )) {
- $stuff_to_parse = preg_replace('#([^a-zA-Z0-9\#])([0-9]+)([^a-zA-Z0-9])#', "\\1<|/NUM!/>\\2|>\\3", $stuff_to_parse);
- $stuff_to_parse = preg_replace('#([^a-zA-Z0-9\#>])([0-9]+)([^a-zA-Z0-9])#', "\\1<|/NUM!/>\\2|>\\3", $stuff_to_parse);
- }
-
- // Highlight keywords
- // if there is a couple of alpha symbols there *might* be a keyword
- if (preg_match('#[a-zA-Z]{2,}#', $stuff_to_parse)) {
- foreach ($this->language_data['KEYWORDS'] as $k => $keywordset) {
- if ($this->lexic_permissions['KEYWORDS'][$k]) {
- foreach ($keywordset as $keyword) {
- $keyword = quotemeta($keyword);
- //
- // This replacement checks the word is on it's own (except if brackets etc
- // are next to it), then highlights it. We don't put the color=" for the span
- // in just yet - otherwise languages with the keywords "color" or "or" have
- // a fit.
- //
- if (false !== stristr($stuff_to_parse, $keyword )) {
- $stuff_to_parse .= ' ';
- // Might make a more unique string for putting the number in soon
- // Basically, we don't put the styles in yet because then the styles themselves will
- // get highlighted if the language has a CSS keyword in it (like CSS, for example ;))
- $styles = "/$k/";
- $keyword = quotemeta($keyword);
- if ($this->language_data['CASE_SENSITIVE'][$k]) {
- $stuff_to_parse = preg_replace(
- "#([^a-zA-Z0-9\$_\|\#;>])($keyword)([^a-zA-Z0-9_<\|%\-&])#e",
- "'\\1' . $func2('\\2', '$k', 'BEGIN') . '<|$styles>' . $func('\\2') . '|>' . $func2('\\2', '$k', 'END') . '\\3'",
- $stuff_to_parse
- );
- } else {
- // Change the case of the word.
- $stuff_to_parse = preg_replace(
- "#([^a-zA-Z0-9\$_\|\#;>])($keyword)([^a-zA-Z0-9_<\|%\-&])#ie",
- "'\\1' . $func2('\\2', '$k', 'BEGIN') . '<|$styles>' . $func('\\2') . '|>' . $func2('\\2', '$k', 'END') . '\\3'",
- $stuff_to_parse
- );
- }
- $stuff_to_parse = substr($stuff_to_parse, 0, strlen($stuff_to_parse) - 1);
- }
- }
- }
- }
- }
-
- //
- // Now that's all done, replace /[number]/ with the correct styles
- //
- foreach ($this->language_data['KEYWORDS'] as $k => $kws) {
- if (!$this->use_classes) {
- $attributes = ' style="' . $this->language_data['STYLES']['KEYWORDS'][$k] . '"';
- } else {
- $attributes = ' class="kw' . $k . '"';
- }
- $stuff_to_parse = str_replace("/$k/", $attributes, $stuff_to_parse);
- }
-
- // Put number styles in
- if (!$this->use_classes && $this->lexic_permissions['NUMBERS']) {
- $attributes = ' style="' . $this->language_data['STYLES']['NUMBERS'][0] . '"';
- } else {
- $attributes = ' class="nu0"';
- }
- $stuff_to_parse = str_replace('/NUM!/', $attributes, $stuff_to_parse);
-
- //
- // Highlight methods and fields in objects
- //
- if ($this->lexic_permissions['METHODS'] && $this->language_data['OOLANG']) {
- foreach ($this->language_data['OBJECT_SPLITTERS'] as $key => $splitter) {
- if (false !== stristr($stuff_to_parse, $splitter)) {
- if (!$this->use_classes) {
- $attributes = ' style="' . $this->language_data['STYLES']['METHODS'][$key] . '"';
- } else {
- $attributes = ' class="me' . $key . '"';
- }
- $stuff_to_parse = preg_replace("#(" . quotemeta($this->language_data['OBJECT_SPLITTERS'][$key]) . "[\s]*)([a-zA-Z\*\(][a-zA-Z0-9_\*]*)#", "\\1<|$attributes>\\2|>", $stuff_to_parse);
- }
- }
- }
-
- //
- // Highlight brackets. Yes, I've tried adding a semi-colon to this list.
- // You try it, and see what happens ;)
- // TODO: Fix lexic permissions not converting entities if shouldn't
- // be highlighting regardless
- //
- if ($this->lexic_permissions['BRACKETS']) {
- $code_entities_match = array('[', ']', '(', ')', '{', '}');
- if (!$this->use_classes) {
- $code_entities_replace = array(
- '<| style="' . $this->language_data['STYLES']['BRACKETS'][0] . '">&#91;|>',
- '<| style="' . $this->language_data['STYLES']['BRACKETS'][0] . '">&#93;|>',
- '<| style="' . $this->language_data['STYLES']['BRACKETS'][0] . '">&#40;|>',
- '<| style="' . $this->language_data['STYLES']['BRACKETS'][0] . '">&#41;|>',
- '<| style="' . $this->language_data['STYLES']['BRACKETS'][0] . '">&#123;|>',
- '<| style="' . $this->language_data['STYLES']['BRACKETS'][0] . '">&#125;|>',
- );
- } else {
- $code_entities_replace = array(
- '<| class="br0">&#91;|>',
- '<| class="br0">&#93;|>',
- '<| class="br0">&#40;|>',
- '<| class="br0">&#41;|>',
- '<| class="br0">&#123;|>',
- '<| class="br0">&#125;|>',
- );
- }
- $stuff_to_parse = str_replace( $code_entities_match, $code_entities_replace, $stuff_to_parse );
- }
-
- //
- // Add class/style for regexps
- //
- foreach ($this->language_data['REGEXPS'] as $key => $regexp) {
- if ($this->lexic_permissions['REGEXPS'][$key]) {
- if (!$this->use_classes) {
- $attributes = ' style="' . $this->language_data['STYLES']['REGEXPS'][$key] . '"';
- } else {
- $attributes = ' class="re' . $key . '"';
- }
- $stuff_to_parse = str_replace("!REG3XP$key!", "$attributes", $stuff_to_parse);
- }
- }
-
- // Replace <DOT> with . for urls
- $stuff_to_parse = str_replace('<DOT>', '.', $stuff_to_parse);
- // Replace <|UR1| with <a href= for urls also
- if (isset($this->link_styles[GESHI_LINK])) {
- if ($this->use_classes) {
- $stuff_to_parse = str_replace('<|UR1|', '<a' . $this->link_target . ' href=', $stuff_to_parse);
- } else {
- $stuff_to_parse = str_replace('<|UR1|', '<a' . $this->link_target . ' style="' . $this->link_styles[GESHI_LINK] . '" href=', $stuff_to_parse);
- }
- } else {
- $stuff_to_parse = str_replace('<|UR1|', '<a' . $this->link_target . ' href=', $stuff_to_parse);
- }
-
- //
- // NOW we add the span thingy ;)
- //
-
- $stuff_to_parse = str_replace('<|', '<span', $stuff_to_parse);
- $stuff_to_parse = str_replace ( '|>', '</span>', $stuff_to_parse );
-
- return substr(stripslashes($stuff_to_parse), 1);
- }
-
- /**
- * Sets the time taken to parse the code
- *
- * @param microtime The time when parsing started
- * @param microtime The time when parsing ended
- * @since 1.0.2
- * @access private
- */
- function set_time ($start_time, $end_time)
- {
- $start = explode(' ', $start_time);
- $end = explode(' ', $end_time);
- $this->time = $end[0] + $end[1] - $start[0] - $start[1];
- }
-
- /**
- * Gets the time taken to parse the code
- *
- * @return double The time taken to parse the code
- * @since 1.0.2
- */
- function get_time ()
- {
- return $this->time;
- }
-
- /**
- * Gets language information and stores it for later use
- *
- * @access private
- * @todo Needs to load keys for lexic permissions for keywords, regexps etc
- */
- function load_language ($file_name)
- {
- $language_data = array();
- require $file_name;
- // Perhaps some checking might be added here later to check that
- // $language data is a valid thing but maybe not
- $this->language_data = $language_data;
- // Set strict mode if should be set
- if ($this->language_data['STRICT_MODE_APPLIES'] == GESHI_ALWAYS) {
- $this->strict_mode = true;
- }
- // Set permissions for all lexics to true
- // so they'll be highlighted by default
- foreach ($this->language_data['KEYWORDS'] as $key => $words) {
- $this->lexic_permissions['KEYWORDS'][$key] = true;
- }
- foreach ($this->language_data['COMMENT_SINGLE'] as $key => $comment) {
- $this->lexic_permissions['COMMENTS'][$key] = true;
- }
- foreach ($this->language_data['REGEXPS'] as $key => $regexp) {
- $this->lexic_permissions['REGEXPS'][$key] = true;
- }
- $this->enable_highlighting();
- // Set default class for CSS
- $this->overall_class = $this->language;
- }
-
- /**
- * Takes the parsed code and various options, and creates the HTML
- * surrounding it to make it look nice.
- *
- * @param string The code already parsed
- * @return string The code nicely finalised
- * @since 1.0.0
- * @access private
- */
- function finalise ($parsed_code)
- {
- // Remove end parts of important declarations
- // This is BUGGY!! My fault for bad code: fix coming in 1.2
- // @todo Remove this crap
- if ($this->enable_important_blocks &&
- (strstr($parsed_code, @htmlspecialchars(GESHI_START_IMPORTANT, ENT_COMPAT, $this->encoding)) === false)) {
- $parsed_code = str_replace(@htmlspecialchars(GESHI_END_IMPORTANT, ENT_COMPAT, $this->encoding), '', $parsed_code);
- }
-
- // Add HTML whitespace stuff if we're using the <div> header
- if ($this->header_type != GESHI_HEADER_PRE) {
- $parsed_code = $this->indent($parsed_code);
- }
-
- // If we're using line numbers, we insert <li>s and appropriate
- // markup to style them (otherwise we don't need to do anything)
- if ($this->line_numbers != GESHI_NO_LINE_NUMBERS) {
- // If we're using the <pre> header, we shouldn't add newlines because
- // the <pre> will line-break them (and the <li>s already do this for us)
- $ls = ($this->header_type != GESHI_HEADER_PRE) ? "\n" : '';
- // Get code into lines
- $code = explode("\n", $parsed_code);
- // Set vars to defaults for following loop
- $parsed_code = '';
- $i = 0;
- // Foreach line...
- foreach ($code as $line) {
- $line = ( $line ) ? $line : '&nbsp;';
- // If this is a "special line"...
- if ($this->line_numbers == GESHI_FANCY_LINE_NUMBERS &&
- $i % $this->line_nth_row == ($this->line_nth_row - 1)) {
- // Set the attributes to style the line
- if ($this->use_classes) {
- $attr = ' class="li2"';
- $def_attr = ' class="de2"';
- } else {
- $attr = ' style="' . $this->line_style2 . '"';
- // This style "covers up" the special styles set for special lines
- // so that styles applied to special lines don't apply to the actual
- // code on that line
- $def_attr = ' style="' . $this->code_style . '"';
- }
- // Span or div?
- $start = "<div$def_attr>";
- $end = '</div>';
- } else {
- if ($this->use_classes) {
- $attr = ' class="li1"';
- $def_attr = ' class="de1"';
- } else {
- $attr = ' style="' . $this->line_style1 . '"';
- $def_attr = ' style="' . $this->code_style . '"';
- }
- $start = "<div$def_attr>";
- $end = '</div>';
- }
-
- ++$i;
- // Are we supposed to use ids? If so, add them
- if ($this->add_ids) {
- $attr .= " id=\"{$this->overall_id}-{$i}\"";
- }
- if ($this->use_classes && in_array($i, $this->highlight_extra_lines)) {
- $attr .= " class=\"ln-xtra\"";
- }
- if (!$this->use_classes && in_array($i, $this->highlight_extra_lines)) {
- $attr .= " style=\"{$this->highlight_extra_lines_style}\"";
- }
-
- // Add in the line surrounded by appropriate list HTML
- $parsed_code .= "<li$attr>$start$line$end</li>$ls";
- }
- } else {
- // No line numbers, but still need to handle highlighting lines extra.
- // Have to use divs so the full width of the code is highlighted
- $code = explode("\n", $parsed_code);
- $parsed_code = '';
- $i = 0;
- foreach ($code as $line)
- {
- // Make lines have at least one space in them if they're empty
- $line = ($line) ? $line : '&nbsp;';
- if (in_array(++$i, $this->highlight_extra_lines)) {
- if ($this->use_classes) {
- $parsed_code .= '<div class="ln-xtra">';
- } else {
- $parsed_code .= "<div style=\"{$this->highlight_extra_lines_style}\">";
- }
- $parsed_code .= $line . "</div>\n";
- } else {
- $parsed_code .= $line . "\n";
- }
- }
- }
-
- // purge some unnecessary stuff
- $parsed_code = preg_replace('#<span[^>]+>(\s*)</span>#', '\\1', $parsed_code);
- $parsed_code = preg_replace('#<div[^>]+>(\s*)</div>#', '\\1', $parsed_code);
-
- if ($this->header_type == GESHI_HEADER_PRE) {
- // enforce line numbers when using pre
- $parsed_code = str_replace('<li></li>', '<li>&nbsp;</li>', $parsed_code);
- }
-
- return $this->header() . chop($parsed_code) . $this->footer();
- }
-
- /**
- * Creates the header for the code block (with correct attributes)
- *
- * @return string The header for the code block
- * @since 1.0.0
- * @access private
- */
- function header ()
- {
- // Get attributes needed
- $attributes = $this->get_attributes();
-
- $ol_attributes = '';
-
- if ($this->line_numbers_start != 1) {
- $ol_attributes .= ' start="' . $this->line_numbers_start . '"';
- }
-
- // Get the header HTML
- $header = $this->format_header_content();
-
- if (GESHI_HEADER_NONE == $this->header_type) {
- if ($this->line_numbers != GESHI_NO_LINE_NUMBERS) {
- return "$header<ol$ol_attributes>";
- }
- return $header;
- }
-
- // Work out what to return and do it
- if ($this->line_numbers != GESHI_NO_LINE_NUMBERS) {
- if ($this->header_type == GESHI_HEADER_PRE) {
- return "<pre$attributes>$header<ol$ol_attributes>";
- } elseif ($this->header_type == GESHI_HEADER_DIV) {
- return "<div$attributes>$header<ol$ol_attributes>";
- }
- } else {
- if ($this->header_type == GESHI_HEADER_PRE) {
- return "<pre$attributes>$header";
- } elseif ($this->header_type == GESHI_HEADER_DIV) {
- return "<div$attributes>$header";
- }
- }
- }
-
- /**
- * Returns the header content, formatted for output
- *
- * @return string The header content, formatted for output
- * @since 1.0.2
- * @access private
- */
- function format_header_content ()
- {
- $header = $this->header_content;
- if ($header) {
- if ($this->header_type == GESHI_HEADER_PRE) {
- $header = str_replace("\n", '', $header);
- }
- $header = $this->replace_keywords($header);
-
- if ($this->use_classes) {
- $attr = ' class="head"';
- } else {
- $attr = " style=\"{$this->header_content_style}\"";
- }
- return "<div$attr>$header</div>";
- }
- }
-
- /**
- * Returns the footer for the code block.
- *
- * @return string The footer for the code block
- * @since 1.0.0
- * @access private
- */
- function footer ()
- {
- $footer_content = $this->format_footer_content();
-
- if (GESHI_HEADER_NONE == $this->header_type) {
- return ($this->line_numbers != GESHI_NO_LINE_NUMBERS) ? '</ol>' . $footer_content
- : $footer_content;
- }
-
- if ($this->header_type == GESHI_HEADER_DIV) {
- if ($this->line_numbers != GESHI_NO_LINE_NUMBERS) {
- return "</ol>$footer_content</div>";
- }
- return "$footer_content</div>";
- } else {
- if ($this->line_numbers != GESHI_NO_LINE_NUMBERS) {
- return "</ol>$footer_content</pre>";
- }
- return "$footer_content</pre>";
- }
- }
-
- /**
- * Returns the footer content, formatted for output
- *
- * @return string The footer content, formatted for output
- * @since 1.0.2
- * @access private
- */
- function format_footer_content ()
- {
- $footer = $this->footer_content;
- if ($footer) {
- if ($this->header_type == GESHI_HEADER_PRE) {
- $footer = str_replace("\n", '', $footer);;
- }
- $footer = $this->replace_keywords($footer);
-
- if ($this->use_classes) {
- $attr = ' class="foot"';
- } else {
- $attr = " style=\"{$this->footer_content_style}\"";
- }
- return "<div$attr>$footer</div>";
- }
- }
-
- /**
- * Replaces certain keywords in the header and footer with
- * certain configuration values
- *
- * @param string The header or footer content to do replacement on
- * @return string The header or footer with replaced keywords
- * @since 1.0.2
- * @access private
- */
- function replace_keywords ($instr)
- {
- $keywords = $replacements = array();
-
- $keywords[] = '<TIME>';
- $replacements[] = number_format($this->get_time(), 3);
-
- $keywords[] = '<LANGUAGE>';
- $replacements[] = $this->language;
-
- $keywords[] = '<VERSION>';
- $replacements[] = GESHI_VERSION;
-
- return str_replace($keywords, $replacements, $instr);
- }
-
- /**
- * Gets the CSS attributes for this code
- *
- * @return The CSS attributes for this code
- * @since 1.0.0
- * @access private
- * @todo Document behaviour change - class is outputted regardless of whether we're using classes or not.
- * Same with style
- */
- function get_attributes ()
- {
- $attributes = '';
-
- if ($this->overall_class != '') {
- $attributes .= " class=\"{$this->overall_class}\"";
- }
- if ($this->overall_id != '') {
- $attributes .= " id=\"{$this->overall_id}\"";
- }
- if ($this->overall_style != '') {
- $attributes .= ' style="' . $this->overall_style . '"';
- }
- return $attributes;
- }
-
- /**
- * Returns a stylesheet for the highlighted code. If $economy mode
- * is true, we only return the stylesheet declarations that matter for
- * this code block instead of the whole thing
- *
- * @param boolean Whether to use economy mode or not
- * @return string A stylesheet built on the data for the current language
- * @since 1.0.0
- */
- function get_stylesheet ($economy_mode = true)
- {
- // If there's an error, chances are that the language file
- // won't have populated the language data file, so we can't
- // risk getting a stylesheet...
- if ($this->error) {
- return '';
- }
- // First, work out what the selector should be. If there's an ID,
- // that should be used, the same for a class. Otherwise, a selector
- // of '' means that these styles will be applied anywhere
- $selector = ($this->overall_id != '') ? "#{$this->overall_id} " : '';
- $selector = ($selector == '' && $this->overall_class != '') ? ".{$this->overall_class} " : $selector;
-
- // Header of the stylesheet
- if (!$economy_mode) {
- $stylesheet = "/**\n * GeSHi Dynamically Generated Stylesheet\n * --------------------------------------\n * Dynamically generated stylesheet for {$this->language}\n * CSS class: {$this->overall_class}, CSS id: {$this->overall_id}\n * GeSHi (c) Nigel McNie 2004 (http://qbnz.com/highlighter)\n */\n";
- } else {
- $stylesheet = '/* GeSHi (c) Nigel McNie 2004 (http://qbnz.com/highlighter) */' . "\n";
- }
-
- // Set the <ol> to have no effect at all if there are line numbers
- // (<ol>s have margins that should be destroyed so all layout is
- // controlled by the set_overall_style method, which works on the
- // <pre> or <div> container). Additionally, set default styles for lines
- if (!$economy_mode || $this->line_numbers != GESHI_NO_LINE_NUMBERS) {
- //$stylesheet .= "$selector, {$selector}ol, {$selector}ol li {margin: 0;}\n";
- $stylesheet .= "$selector.de1, $selector.de2 {{$this->code_style}}\n";
- }
-
- // Add overall styles
- if (!$economy_mode || $this->overall_style != '') {
- $stylesheet .= "$selector {{$this->overall_style}}\n";
- }
-
- // Add styles for links
- foreach ($this->link_styles as $key => $style) {
- if (!$economy_mode || $key == GESHI_LINK && $style != '') {
- $stylesheet .= "{$selector}a:link {{$style}}\n";
- }
- if (!$economy_mode || $key == GESHI_HOVER && $style != '') {
- $stylesheet .= "{$selector}a:hover {{$style}}\n";
- }
- if (!$economy_mode || $key == GESHI_ACTIVE && $style != '') {
- $stylesheet .= "{$selector}a:active {{$style}}\n";
- }
- if (!$economy_mode || $key == GESHI_VISITED && $style != '') {
- $stylesheet .= "{$selector}a:visited {{$style}}\n";
- }
- }
-
- // Header and footer
- if (!$economy_mode || $this->header_content_style != '') {
- $stylesheet .= "$selector.head {{$this->header_content_style}}\n";
- }
- if (!$economy_mode || $this->footer_content_style != '') {
- $stylesheet .= "$selector.foot {{$this->footer_content_style}}\n";
- }
-
- // Styles for important stuff
- if (!$economy_mode || $this->important_styles != '') {
- $stylesheet .= "$selector.imp {{$this->important_styles}}\n";
- }
-
- // Styles for lines being highlighted extra
- if (!$economy_mode || count($this->highlight_extra_lines)) {
- $stylesheet .= "$selector.ln-xtra {{$this->highlight_extra_lines_style}}\n";
- }
-
- // Simple line number styles
- if (!$economy_mode || ($this->line_numbers != GESHI_NO_LINE_NUMBERS && $this->line_style1 != '')) {
- $stylesheet .= "{$selector}li {{$this->line_style1}}\n";
- }
-
- // If there is a style set for fancy line numbers, echo it out
- if (!$economy_mode || ($this->line_numbers == GESHI_FANCY_LINE_NUMBERS && $this->line_style2 != '')) {
- $stylesheet .= "{$selector}li.li2 {{$this->line_style2}}\n";
- }
-
- foreach ($this->language_data['STYLES']['KEYWORDS'] as $group => $styles) {
- if (!$economy_mode || !($economy_mode && (!$this->lexic_permissions['KEYWORDS'][$group] || $styles == ''))) {
- $stylesheet .= "$selector.kw$group {{$styles}}\n";
- }
- }
- foreach ($this->language_data['STYLES']['COMMENTS'] as $group => $styles) {
- if (!$economy_mode || !($economy_mode && $styles == '') &&
- !($economy_mode && !$this->lexic_permissions['COMMENTS'][$group])) {
- $stylesheet .= "$selector.co$group {{$styles}}\n";
- }
- }
- foreach ($this->language_data['STYLES']['ESCAPE_CHAR'] as $group => $styles) {
- if (!$economy_mode || !($economy_mode && $styles == '') && !($economy_mode &&
- !$this->lexic_permissions['ESCAPE_CHAR'])) {
- $stylesheet .= "$selector.es$group {{$styles}}\n";
- }
- }
- foreach ($this->language_data['STYLES']['SYMBOLS'] as $group => $styles) {
- if (!$economy_mode || !($economy_mode && $styles == '') && !($economy_mode &&
- !$this->lexic_permissions['BRACKETS'])) {
- $stylesheet .= "$selector.br$group {{$styles}}\n";
- }
- }
- foreach ($this->language_data['STYLES']['STRINGS'] as $group => $styles) {
- if (!$economy_mode || !($economy_mode && $styles == '') && !($economy_mode &&
- !$this->lexic_permissions['STRINGS'])) {
- $stylesheet .= "$selector.st$group {{$styles}}\n";
- }
- }
- foreach ($this->language_data['STYLES']['NUMBERS'] as $group => $styles) {
- if (!$economy_mode || !($economy_mode && $styles == '') && !($economy_mode &&
- !$this->lexic_permissions['NUMBERS'])) {
- $stylesheet .= "$selector.nu$group {{$styles}}\n";
- }
- }
- foreach ($this->language_data['STYLES']['METHODS'] as $group => $styles) {
- if (!$economy_mode || !($economy_mode && $styles == '') && !($economy_mode &&
- !$this->lexic_permissions['METHODS'])) {
- $stylesheet .= "$selector.me$group {{$styles}}\n";
- }
- }
- foreach ($this->language_data['STYLES']['SCRIPT'] as $group => $styles) {
- if (!$economy_mode || !($economy_mode && $styles == '')) {
- $stylesheet .= "$selector.sc$group {{$styles}}\n";
- }
- }
- foreach ($this->language_data['STYLES']['REGEXPS'] as $group => $styles) {
- if (!$economy_mode || !($economy_mode && $styles == '') && !($economy_mode &&
- !$this->lexic_permissions['REGEXPS'][$group])) {
- $stylesheet .= "$selector.re$group {{$styles}}\n";
- }
- }
-
- return $stylesheet;
- }
-
-} // End Class GeSHi
-
-
-if (!function_exists('geshi_highlight')) {
- /**
- * Easy way to highlight stuff. Behaves just like highlight_string
- *
- * @param string The code to highlight
- * @param string The language to highlight the code in
- * @param string The path to the language files. You can leave this blank if you need
- * as from version 1.0.7 the path should be automatically detected
- * @param boolean Whether to return the result or to echo
- * @return string The code highlighted (if $return is true)
- * @since 1.0.2
- */
- function geshi_highlight ($string, $language, $path, $return = false)
- {
- $geshi = new GeSHi($string, $language, $path);
- $geshi->set_header_type(GESHI_HEADER_NONE);
- if ($return) {
- return '<code>' . $geshi->parse_code() . '</code>';
- }
- echo '<code>' . $geshi->parse_code() . '</code>';
- if ($geshi->error()) {
- return false;
- }
- return true;
- }
-}
-
-?>