[ Index ]
 

Code source de DokuWiki 2006-11-06

Accédez au Source d'autres logiciels libresSoutenez Angelica Josefina !

title

Body

[fermer]

/inc/ -> geshi.php (source)

   1  <?php
   2  /**
   3   * GeSHi - Generic Syntax Highlighter
   4   * 
   5   * The GeSHi class for Generic Syntax Highlighting. Please refer to the
   6   * documentation at http://qbnz.com/highlighter/documentation.php for more
   7   * information about how to use this class.
   8   *
   9   * For changes, release notes, TODOs etc, see the relevant files in the docs/
  10   * directory.
  11   *
  12   *   This file is part of GeSHi.
  13   *
  14   *  GeSHi is free software; you can redistribute it and/or modify
  15   *  it under the terms of the GNU General Public License as published by
  16   *  the Free Software Foundation; either version 2 of the License, or
  17   *  (at your option) any later version.
  18   *
  19   *  GeSHi is distributed in the hope that it will be useful,
  20   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  21   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22   *  GNU General Public License for more details.
  23   *
  24   *  You should have received a copy of the GNU General Public License
  25   *  along with GeSHi; if not, write to the Free Software
  26   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  27   * 
  28   * @package   core
  29   * @author    Nigel McNie <nigel@geshi.org>
  30   * @copyright Copyright &copy; 2004, 2005, Nigel McNie
  31   * @license   http://gnu.org/copyleft/gpl.html GNU GPL
  32   * @version   $Id: geshi.php,v 1.40.2.10 2006/10/23 01:54:16 oracleshinoda Exp $
  33   *
  34   */
  35  
  36  //
  37  // GeSHi Constants
  38  // You should use these constant names in your programs instead of
  39  // their values - you never know when a value may change in a future
  40  // version
  41  //
  42  
  43  /** The version of this GeSHi file */
  44  define('GESHI_VERSION', '1.0.7.15');
  45  
  46  /** Set the correct directory separator */
  47  define('GESHI_DIR_SEPARATOR', ('WIN' != substr(PHP_OS, 0, 3)) ? '/' : '\\');
  48  
  49  // Define the root directory for the GeSHi code tree
  50  if (!defined('GESHI_ROOT')) {
  51      /** The root directory for GeSHi */
  52      define('GESHI_ROOT', dirname(__FILE__) . GESHI_DIR_SEPARATOR);
  53  }
  54  /** The language file directory for GeSHi
  55      @access private */
  56  define('GESHI_LANG_ROOT', GESHI_ROOT . 'geshi' . GESHI_DIR_SEPARATOR);
  57  
  58  
  59  // Line numbers - use with enable_line_numbers()
  60  /** Use no line numbers when building the result */
  61  define('GESHI_NO_LINE_NUMBERS', 0);
  62  /** Use normal line numbers when building the result */
  63  define('GESHI_NORMAL_LINE_NUMBERS', 1);
  64  /** Use fancy line numbers when building the result */
  65  define('GESHI_FANCY_LINE_NUMBERS', 2);
  66  
  67  // Container HTML type
  68  /** Use nothing to surround the source */
  69  define('GESHI_HEADER_NONE', 0);
  70  /** Use a "div" to surround the source */
  71  define('GESHI_HEADER_DIV', 1);
  72  /** Use a "pre" to surround the source */
  73  define('GESHI_HEADER_PRE', 2);
  74  
  75  // Capatalisation constants
  76  /** Lowercase keywords found */
  77  define('GESHI_CAPS_NO_CHANGE', 0);
  78  /** Uppercase keywords found */
  79  define('GESHI_CAPS_UPPER', 1);
  80  /** Leave keywords found as the case that they are */
  81  define('GESHI_CAPS_LOWER', 2);
  82  
  83  // Link style constants
  84  /** Links in the source in the :link state */
  85  define('GESHI_LINK', 0);
  86  /** Links in the source in the :hover state */
  87  define('GESHI_HOVER', 1);
  88  /** Links in the source in the :active state */
  89  define('GESHI_ACTIVE', 2);
  90  /** Links in the source in the :visited state */
  91  define('GESHI_VISITED', 3);
  92  
  93  // Important string starter/finisher
  94  // Note that if you change these, they should be as-is: i.e., don't
  95  // write them as if they had been run through htmlentities()
  96  /** The starter for important parts of the source */
  97  define('GESHI_START_IMPORTANT', '<BEGIN GeSHi>');
  98  /** The ender for important parts of the source */
  99  define('GESHI_END_IMPORTANT', '<END GeSHi>');
 100  
 101  /**#@+
 102   *  @access private
 103   */
 104  // When strict mode applies for a language
 105  /** Strict mode never applies (this is the most common) */
 106  define('GESHI_NEVER', 0);
 107  /** Strict mode *might* apply, and can be enabled or
 108      disabled by {@link GeSHi::enable_strict_mode()} */
 109  define('GESHI_MAYBE', 1);
 110  /** Strict mode always applies */
 111  define('GESHI_ALWAYS', 2);
 112  
 113  // Advanced regexp handling constants, used in language files
 114  /** The key of the regex array defining what to search for */
 115  define('GESHI_SEARCH', 0);
 116  /** The key of the regex array defining what bracket group in a
 117      matched search to use as a replacement */
 118  define('GESHI_REPLACE', 1);
 119  /** The key of the regex array defining any modifiers to the regular expression */
 120  define('GESHI_MODIFIERS', 2);
 121  /** The key of the regex array defining what bracket group in a
 122      matched search to put before the replacement */ 
 123  define('GESHI_BEFORE', 3);
 124  /** The key of the regex array defining what bracket group in a
 125      matched search to put after the replacement */ 
 126  define('GESHI_AFTER', 4);
 127  /** The key of the regex array defining a custom keyword to use
 128      for this regexp's html tag class */
 129  define('GESHI_CLASS', 5);
 130  
 131  /** Used in language files to mark comments */
 132  define('GESHI_COMMENTS', 0);
 133  
 134  // Error detection - use these to analyse faults
 135  /** No sourcecode to highlight was specified
 136   * @deprecated
 137   */
 138  define('GESHI_ERROR_NO_INPUT', 1);
 139  /** The language specified does not exist */
 140  define('GESHI_ERROR_NO_SUCH_LANG', 2);
 141  /** GeSHi could not open a file for reading (generally a language file) */
 142  define('GESHI_ERROR_FILE_NOT_READABLE', 3);
 143  /** The header type passed to {@link GeSHi::set_header_type()} was invalid */
 144  define('GESHI_ERROR_INVALID_HEADER_TYPE', 4);
 145  /** The line number type passed to {@link GeSHi::enable_line_numbers()} was invalid */
 146  define('GESHI_ERROR_INVALID_LINE_NUMBER_TYPE', 5);
 147  /**#@-*/
 148  
 149  
 150  /**
 151   * The GeSHi Class.
 152   *
 153   * Please refer to the documentation for GeSHi 1.0.X that is available
 154   * at http://qbnz.com/highlighter/documentation.php for more information
 155   * about how to use this class.
 156   * 
 157   * @package   core
 158   * @author    Nigel McNie <nigel@geshi.org>
 159   * @copyright Copyright &copy; 2004, 2005 Nigel McNie
 160   */
 161  class GeSHi
 162  {
 163      /**#@+
 164       * @access private
 165       */
 166      /**
 167       * The source code to highlight
 168       * @var string
 169       */
 170      var $source = '';
 171      
 172      /**
 173       * The language to use when highlighting
 174       * @var string
 175       */
 176      var $language = '';
 177      
 178      /**
 179       * The data for the language used
 180       * @var array
 181       */
 182      var $language_data = array();
 183      
 184      /**
 185       * The path to the language files
 186       * @var string
 187       */
 188      var $language_path = GESHI_LANG_ROOT;
 189      
 190      /**
 191       * The error message associated with an error
 192       * @var string
 193       * @todo check err reporting works
 194       */
 195      var $error = false;
 196      
 197      /**
 198       * Possible error messages
 199       * @var array
 200       */
 201      var $error_messages = array(
 202          //GESHI_ERROR_NO_INPUT => 'No source code inputted',
 203          GESHI_ERROR_NO_SUCH_LANG => 'GeSHi could not find the language {LANGUAGE} (using path {PATH})',
 204          GESHI_ERROR_FILE_NOT_READABLE => 'The file specified for load_from_file was not readable',
 205          GESHI_ERROR_INVALID_HEADER_TYPE => 'The header type specified is invalid',
 206          GESHI_ERROR_INVALID_LINE_NUMBER_TYPE => 'The line number type specified is invalid'
 207      );
 208      
 209      /**
 210       * Whether highlighting is strict or not
 211       * @var boolean
 212       */
 213      var $strict_mode = false;
 214      
 215      /**
 216       * Whether to use CSS classes in output
 217       * @var boolean
 218       */
 219      var $use_classes = false;
 220      
 221      /**
 222       * The type of header to use. Can be one of the following
 223       * values:
 224       * 
 225       * <ul>
 226       *   <li><b>GESHI_HEADER_PRE</b>: Source is outputted in
 227       *   a &lt;pre&gt; HTML element.</li>
 228       *   <li><b>GESHI_HEADER_DIV</b>: Source is outputted in
 229       *   a &lt;div&gt; HTML element.</li>
 230       *   <li><b>GESHI_HEADER_NONE</b>: No header is outputted.</li>
 231       * </ul>
 232       * 
 233       * @var int
 234       */
 235      var $header_type = GESHI_HEADER_PRE;
 236      
 237      /**
 238       * Array of permissions for which lexics should be highlighted
 239       * @var array
 240       */
 241      var $lexic_permissions = array(
 242          'KEYWORDS' =>    array(),
 243          'COMMENTS' =>    array('MULTI' => true),
 244          'REGEXPS' =>     array(),
 245          'ESCAPE_CHAR' => true,
 246          'BRACKETS' =>    true,
 247          'SYMBOLS' =>     true,
 248          'STRINGS' =>     true,
 249          'NUMBERS' =>     true,
 250          'METHODS' =>     true,
 251          'SCRIPT' =>      true
 252      );
 253  
 254      /**
 255       * The time it took to parse the code
 256       * @var double
 257       */
 258      var $time = 0;
 259      
 260      /**
 261       * The content of the header block
 262       * @var string
 263       */
 264      var $header_content = '';
 265      
 266      /**
 267       * The content of the footer block
 268       * @var string
 269       */
 270      var $footer_content = '';
 271      
 272      /**
 273       * The style of the header block
 274       * @var string
 275       */
 276      var $header_content_style = '';
 277      
 278      /**
 279       * The style of the footer block
 280       * @var string
 281       */
 282      var $footer_content_style = '';
 283      
 284      /**
 285       * The styles for hyperlinks in the code
 286       * @var array
 287       */
 288      var $link_styles = array();
 289      
 290      /**
 291       * Whether important blocks should be recognised or not
 292       * @var boolean
 293       * @deprecated
 294       * @todo REMOVE THIS FUNCTIONALITY!
 295       */
 296      var $enable_important_blocks = false;
 297      
 298      /**
 299       * Styles for important parts of the code
 300       * @var string
 301       * @deprecated
 302       * @todo As above - rethink the whole idea of important blocks as it is buggy and
 303       * will be hard to implement in 1.2
 304       */
 305      var $important_styles = 'font-weight: bold; color: red;'; // Styles for important parts of the code
 306      
 307      /**
 308       * Whether CSS IDs should be added to the code
 309       * @var boolean
 310       */
 311      var $add_ids = false;
 312      
 313      /**
 314       * Lines that should be highlighted extra
 315       * @var array
 316       */
 317      var $highlight_extra_lines = array();
 318      
 319      /**
 320       * Styles of extra-highlighted lines
 321       * @var string
 322       */
 323      var $highlight_extra_lines_style = 'color: #cc0; background-color: #ffc;';
 324      
 325      /**
 326       * Number at which line numbers should start at
 327       * @var int
 328       * @todo Warning documentation about XHTML compliance
 329       */
 330      var $line_numbers_start = 1;
 331  
 332      /**
 333       * The overall style for this code block
 334       * @var string
 335       */
 336      var $overall_style = '';
 337      
 338      /**
 339       *  The style for the actual code
 340       * @var string
 341       */
 342      var $code_style = 'font-family: \'Courier New\', Courier, monospace; font-weight: normal;';
 343      
 344      /**
 345       * The overall class for this code block
 346       * @var string
 347       */
 348      var $overall_class = '';
 349      
 350      /**
 351       * The overall ID for this code block
 352       * @var string
 353       */
 354      var $overall_id = '';
 355      
 356      /**
 357       * Line number styles
 358       * @var string
 359       */
 360      var $line_style1 = 'font-family: \'Courier New\', Courier, monospace; color: black; font-weight: normal; font-style: normal;';
 361      
 362      /**
 363       * Line number styles for fancy lines
 364       * @var string
 365       */
 366      var $line_style2 = 'font-weight: bold;';
 367      
 368      /**
 369       * Flag for how line nubmers are displayed
 370       * @var boolean
 371       */
 372      var $line_numbers = GESHI_NO_LINE_NUMBERS;
 373      
 374      /**
 375       * The "nth" value for fancy line highlighting
 376       * @var int
 377       */
 378      var $line_nth_row = 0;
 379  
 380      /**
 381       * The size of tab stops
 382       * @var int
 383       */
 384      var $tab_width = 8;
 385          
 386      /**
 387       * Default target for keyword links
 388       * @var string
 389       */
 390      var $link_target = '';
 391      
 392      /**
 393       * The encoding to use for entity encoding
 394       * @var string
 395       */
 396      var $encoding = 'ISO-8859-1';
 397  
 398      /**#@-*/
 399  
 400      /**
 401       * Creates a new GeSHi object, with source and language
 402       * 
 403       * @param string The source code to highlight
 404       * @param string The language to highlight the source with
 405       * @param string The path to the language file directory. <b>This
 406       *               is deprecated!</b> I've backported the auto path
 407       *               detection from the 1.1.X dev branch, so now it
 408       *               should be automatically set correctly. If you have
 409       *               renamed the language directory however, you will
 410       *               still need to set the path using this parameter or
 411       *               {@link GeSHi::set_language_path()}
 412       * @since 1.0.0
 413       */
 414  	function GeSHi ($source, $language, $path = '')
 415      {
 416          $this->set_source($source);
 417          $this->set_language_path($path);
 418          $this->set_language($language);
 419      }
 420  
 421      /**
 422       * Returns an error message associated with the last GeSHi operation,
 423       * or false if no error has occured
 424       * 
 425       * @return string|false An error message if there has been an error, else false
 426       * @since  1.0.0
 427       */
 428  	function error ()
 429      {
 430          if ($this->error) {
 431              $msg = $this->error_messages[$this->error];
 432              $debug_tpl_vars = array(
 433                  '{LANGUAGE}' => $this->language,
 434                  '{PATH}' => $this->language_path
 435              );
 436              foreach ($debug_tpl_vars as $tpl => $var) {
 437                  $msg = str_replace($tpl, $var, $msg);
 438              }
 439              return "<br /><strong>GeSHi Error:</strong> $msg (code $this->error)<br />";
 440          }
 441          return false;
 442      }
 443  
 444      /**
 445       * Gets a human-readable language name (thanks to Simon Patterson
 446       * for the idea :))
 447       * 
 448       * @return string The name for the current language
 449       * @since  1.0.2
 450       */
 451  	function get_language_name ()
 452      {
 453          if (GESHI_ERROR_NO_SUCH_LANG == $this->_error) {
 454              return $this->language_data['LANG_NAME'] . ' (Unknown Language)';
 455          }
 456          return $this->language_data['LANG_NAME'];
 457      }
 458  
 459      /**
 460       * Sets the source code for this object
 461       * 
 462       * @param string The source code to highlight
 463       * @since 1.0.0
 464       */
 465  	function set_source ($source)
 466      {
 467          $this->source = $source;
 468          $this->highlight_extra_lines = array();
 469      }
 470  
 471      /**
 472       * Sets the language for this object
 473       * 
 474       * @param string The name of the language to use
 475       * @since 1.0.0
 476       */
 477  	function set_language ($language)
 478      {
 479          $this->error = false;
 480          $this->strict_mode = GESHI_NEVER;
 481          
 482          $language = preg_replace('#[^a-zA-Z0-9\-_]#', '', $language);
 483          $this->language = strtolower($language);
 484          
 485          $file_name = $this->language_path . $this->language . '.php';
 486          if (!is_readable($file_name)) {
 487              $this->error = GESHI_ERROR_NO_SUCH_LANG;
 488              return;
 489          }
 490          // Load the language for parsing
 491          $this->load_language($file_name);
 492      }
 493  
 494      /**
 495       * Sets the path to the directory containing the language files. Note
 496       * that this path is relative to the directory of the script that included
 497       * geshi.php, NOT geshi.php itself.
 498       * 
 499       * @param string The path to the language directory
 500       * @since 1.0.0
 501       * @deprecated The path to the language files should now be automatically
 502       *             detected, so this method should no longer be needed. The
 503       *             1.1.X branch handles manual setting of the path differently
 504       *             so this method will disappear in 1.2.0.
 505       */
 506  	function set_language_path ($path)
 507      {
 508          if ($path) {
 509              $this->language_path = ('/' == substr($path, strlen($path) - 1, 1)) ? $path : $path . '/';
 510              $this->set_language($this->language);        // otherwise set_language_path has no effect
 511          }
 512      }
 513  
 514      /**
 515       * Sets the type of header to be used.
 516       * 
 517       * If GESHI_HEADER_DIV is used, the code is surrounded in a "div".This
 518       * means more source code but more control over tab width and line-wrapping.
 519       * GESHI_HEADER_PRE means that a "pre" is used - less source, but less
 520       * control. Default is GESHI_HEADER_PRE.
 521       * 
 522       * From 1.0.7.2, you can use GESHI_HEADER_NONE to specify that no header code
 523       * should be outputted.
 524       * 
 525       * @param int The type of header to be used
 526       * @since 1.0.0
 527       */
 528  	function set_header_type ($type)
 529      {
 530          if (GESHI_HEADER_DIV != $type && GESHI_HEADER_PRE != $type && GESHI_HEADER_NONE != $type) {
 531              $this->error = GESHI_ERROR_INVALID_HEADER_TYPE;
 532              return;
 533          }
 534          $this->header_type = $type;
 535          // Set a default overall style if the header is a <div>
 536          if (GESHI_HEADER_DIV == $type && !$this->overall_style) {
 537              $this->overall_style = 'font-family: monospace;';
 538          }
 539      }
 540  
 541      /**
 542       * Sets the styles for the code that will be outputted
 543       * when this object is parsed. The style should be a
 544       * string of valid stylesheet declarations
 545       * 
 546       * @param string  The overall style for the outputted code block
 547       * @param boolean Whether to merge the styles with the current styles or not
 548       * @since 1.0.0
 549       */
 550  	function set_overall_style ($style, $preserve_defaults = false)
 551      {
 552          if (!$preserve_defaults) {
 553              $this->overall_style = $style;
 554          } else {
 555              $this->overall_style .= $style;
 556          }
 557      }
 558  
 559      /**
 560       * Sets the overall classname for this block of code. This
 561       * class can then be used in a stylesheet to style this object's
 562       * output
 563       * 
 564       * @param string The class name to use for this block of code
 565       * @since 1.0.0
 566       */
 567  	function set_overall_class ($class)
 568      {
 569          $this->overall_class = $class;
 570      }
 571  
 572      /**
 573       * Sets the overall id for this block of code. This id can then
 574       * be used in a stylesheet to style this object's output
 575       * 
 576       * @param string The ID to use for this block of code
 577       * @since 1.0.0
 578       */
 579  	function set_overall_id ($id)
 580      {
 581          $this->overall_id = $id;
 582      }
 583  
 584      /**
 585       * Sets whether CSS classes should be used to highlight the source. Default
 586       * is off, calling this method with no arguments will turn it on
 587       * 
 588       * @param boolean Whether to turn classes on or not
 589       * @since 1.0.0
 590       */
 591  	function enable_classes ($flag = true)
 592      {
 593          $this->use_classes = ($flag) ? true : false;
 594      }
 595  
 596      /**
 597       * Sets the style for the actual code. This should be a string
 598       * containing valid stylesheet declarations. If $preserve_defaults is
 599       * true, then styles are merged with the default styles, with the
 600       * user defined styles having priority
 601       *
 602       * Note: Use this method to override any style changes you made to
 603       * the line numbers if you are using line numbers, else the line of
 604       * code will have the same style as the line number! Consult the
 605       * GeSHi documentation for more information about this.
 606       * 
 607       * @param string  The style to use for actual code
 608       * @param boolean Whether to merge the current styles with the new styles
 609       */
 610  	function set_code_style ($style, $preserve_defaults = false)
 611      {
 612          if (!$preserve_defaults) {
 613              $this->code_style = $style;
 614          } else {
 615              $this->code_style .= $style;
 616          }
 617      }
 618  
 619      /**
 620       * Sets the styles for the line numbers.
 621       * 
 622       * @param string The style for the line numbers that are "normal"
 623       * @param string|boolean If a string, this is the style of the line
 624       *        numbers that are "fancy", otherwise if boolean then this
 625       *        defines whether the normal styles should be merged with the
 626       *        new normal styles or not
 627       * @param boolean If set, is the flag for whether to merge the "fancy"
 628       *        styles with the current styles or not
 629       * @since 1.0.2
 630       */
 631  	function set_line_style ($style1, $style2 = '', $preserve_defaults = false)
 632      {
 633          if (is_bool($style2)) {
 634              $preserve_defaults = $style2;
 635              $style2 = '';
 636          }
 637          if (!$preserve_defaults) {
 638              $this->line_style1 = $style1;
 639              $this->line_style2 = $style2;
 640          } else {
 641              $this->line_style1 .= $style1;
 642              $this->line_style2 .= $style2;
 643          }
 644      }
 645  
 646      /**
 647       * Sets whether line numbers should be displayed.
 648       * 
 649       * Valid values for the first parameter are:
 650       * 
 651       * <ul>
 652       *   <li><b>GESHI_NO_LINE_NUMBERS</b>: Line numbers will not be displayed</li>
 653       *   <li><b>GESHI_NORMAL_LINE_NUMBERS</b>: Line numbers will be displayed</li>
 654       *   <li><b>GESHI_FANCY_LINE_NUMBERS</b>: Fancy line numbers will be displayed</li>
 655       * </ul>
 656       * 
 657       * For fancy line numbers, the second parameter is used to signal which lines
 658       * are to be fancy. For example, if the value of this parameter is 5 then every
 659       * 5th line will be fancy.
 660       * 
 661       * @param int How line numbers should be displayed
 662       * @param int Defines which lines are fancy
 663       * @since 1.0.0
 664       */
 665  	function enable_line_numbers ($flag, $nth_row = 5)
 666      {
 667          if (GESHI_NO_LINE_NUMBERS != $flag && GESHI_NORMAL_LINE_NUMBERS != $flag
 668              && GESHI_FANCY_LINE_NUMBERS != $flag) {
 669              $this->error = GESHI_ERROR_INVALID_LINE_NUMBER_TYPE;
 670          }
 671          $this->line_numbers = $flag;
 672          $this->line_nth_row = $nth_row;
 673      }
 674  
 675      /**
 676       * Sets the style for a keyword group. If $preserve_defaults is
 677       * true, then styles are merged with the default styles, with the
 678       * user defined styles having priority
 679       * 
 680       * @param int     The key of the keyword group to change the styles of
 681       * @param string  The style to make the keywords
 682       * @param boolean Whether to merge the new styles with the old or just
 683       *                to overwrite them
 684       * @since 1.0.0
 685       */
 686  	function set_keyword_group_style ($key, $style, $preserve_defaults = false)
 687      {
 688          if (!$preserve_defaults) {
 689              $this->language_data['STYLES']['KEYWORDS'][$key] = $style;
 690          } else {
 691              $this->language_data['STYLES']['KEYWORDS'][$key] .= $style;
 692          }
 693      }
 694  
 695      /**
 696       * Turns highlighting on/off for a keyword group
 697       * 
 698       * @param int     The key of the keyword group to turn on or off
 699       * @param boolean Whether to turn highlighting for that group on or off
 700       * @since 1.0.0
 701       */
 702  	function set_keyword_group_highlighting ( $key, $flag = true )
 703      {
 704          $this->lexic_permissions['KEYWORDS'][$key] = ($flag) ? true : false;
 705      }
 706  
 707      /**
 708       * Sets the styles for comment groups.  If $preserve_defaults is
 709       * true, then styles are merged with the default styles, with the
 710       * user defined styles having priority
 711       * 
 712       * @param int     The key of the comment group to change the styles of
 713       * @param string  The style to make the comments
 714       * @param boolean Whether to merge the new styles with the old or just
 715       *                to overwrite them
 716       * @since 1.0.0
 717       */
 718  	function set_comments_style ($key, $style, $preserve_defaults = false)
 719      {
 720          if (!$preserve_defaults) {
 721              $this->language_data['STYLES']['COMMENTS'][$key] = $style;
 722          } else {
 723              $this->language_data['STYLES']['COMMENTS'][$key] .= $style;
 724          }
 725      }
 726  
 727      /**
 728       * Turns highlighting on/off for comment groups
 729       * 
 730       * @param int     The key of the comment group to turn on or off
 731       * @param boolean Whether to turn highlighting for that group on or off
 732       * @since 1.0.0
 733       */
 734  	function set_comments_highlighting ($key, $flag = true)
 735      {
 736          $this->lexic_permissions['COMMENTS'][$key] = ($flag) ? true : false;
 737      }
 738  
 739      /**
 740       * Sets the styles for escaped characters. If $preserve_defaults is
 741       * true, then styles are merged with the default styles, with the
 742       * user defined styles having priority
 743       * 
 744       * @param string  The style to make the escape characters
 745       * @param boolean Whether to merge the new styles with the old or just
 746       *                to overwrite them
 747       * @since 1.0.0
 748       */
 749  	function set_escape_characters_style ($style, $preserve_defaults = false)
 750      {
 751          if (!$preserve_defaults) {
 752              $this->language_data['STYLES']['ESCAPE_CHAR'][0] = $style;
 753          } else {
 754              $this->language_data['STYLES']['ESCAPE_CHAR'][0] .= $style;
 755          }
 756      }
 757  
 758      /**
 759       * Turns highlighting on/off for escaped characters
 760       * 
 761       * @param boolean Whether to turn highlighting for escape characters on or off
 762       * @since 1.0.0
 763       */
 764  	function set_escape_characters_highlighting ($flag = true)
 765      {
 766          $this->lexic_permissions['ESCAPE_CHAR'] = ($flag) ? true : false;
 767      }
 768  
 769      /**
 770       * Sets the styles for brackets. If $preserve_defaults is
 771       * true, then styles are merged with the default styles, with the
 772       * user defined styles having priority
 773       *
 774       * This method is DEPRECATED: use set_symbols_style instead.
 775       * This method will be removed in 1.2.X
 776       * 
 777       * @param string  The style to make the brackets
 778       * @param boolean Whether to merge the new styles with the old or just
 779       *                to overwrite them
 780       * @since 1.0.0
 781       * @deprecated In favour of set_symbols_style
 782       */
 783  	function set_brackets_style ($style, $preserve_defaults = false)
 784      {
 785          if (!$preserve_defaults) {
 786              $this->language_data['STYLES']['BRACKETS'][0] = $style;
 787          } else {
 788              $this->language_data['STYLES']['BRACKETS'][0] .= $style;
 789          }
 790      }
 791  
 792      /**
 793       * Turns highlighting on/off for brackets
 794       *
 795       * This method is DEPRECATED: use set_symbols_highlighting instead.
 796       * This method will be remove in 1.2.X
 797       * 
 798       * @param boolean Whether to turn highlighting for brackets on or off
 799       * @since 1.0.0
 800       * @deprecated In favour of set_symbols_highlighting
 801       */
 802  	function set_brackets_highlighting ($flag)
 803      {
 804          $this->lexic_permissions['BRACKETS'] = ($flag) ? true : false;
 805      }
 806  
 807      /**
 808       * Sets the styles for symbols. If $preserve_defaults is
 809       * true, then styles are merged with the default styles, with the
 810       * user defined styles having priority
 811       * 
 812       * @param string  The style to make the symbols
 813       * @param boolean Whether to merge the new styles with the old or just
 814       *                to overwrite them
 815       * @since 1.0.1
 816       */
 817  	function set_symbols_style ($style, $preserve_defaults = false)
 818      {
 819          if (!$preserve_defaults) {
 820              $this->language_data['STYLES']['SYMBOLS'][0] = $style;
 821          } else {
 822              $this->language_data['STYLES']['SYMBOLS'][0] .= $style;
 823          }
 824          // For backward compatibility
 825          $this->set_brackets_style ($style, $preserve_defaults);
 826      }
 827  
 828      /**
 829       * Turns highlighting on/off for symbols
 830       * 
 831       * @param boolean Whether to turn highlighting for symbols on or off
 832       * @since 1.0.0
 833       */
 834  	function set_symbols_highlighting ($flag)
 835      {
 836          $this->lexic_permissions['SYMBOLS'] = ($flag) ? true : false;
 837          // For backward compatibility
 838          $this->set_brackets_highlighting ($flag);
 839      }
 840  
 841      /**
 842       * Sets the styles for strings. If $preserve_defaults is
 843       * true, then styles are merged with the default styles, with the
 844       * user defined styles having priority
 845       * 
 846       * @param string  The style to make the escape characters
 847       * @param boolean Whether to merge the new styles with the old or just
 848       *                to overwrite them
 849       * @since 1.0.0
 850       */
 851  	function set_strings_style ($style, $preserve_defaults = false)
 852      {
 853          if (!$preserve_defaults) {
 854              $this->language_data['STYLES']['STRINGS'][0] = $style;
 855          } else {
 856              $this->language_data['STYLES']['STRINGS'][0] .= $style;
 857          }
 858      }
 859  
 860      /**
 861       * Turns highlighting on/off for strings
 862       * 
 863       * @param boolean Whether to turn highlighting for strings on or off
 864       * @since 1.0.0
 865       */
 866  	function set_strings_highlighting ($flag)
 867      {
 868          $this->lexic_permissions['STRINGS'] = ($flag) ? true : false;
 869      }
 870  
 871      /**
 872       * Sets the styles for numbers. If $preserve_defaults is
 873       * true, then styles are merged with the default styles, with the
 874       * user defined styles having priority
 875       * 
 876       * @param string  The style to make the numbers
 877       * @param boolean Whether to merge the new styles with the old or just
 878       *                to overwrite them
 879       * @since 1.0.0
 880       */
 881  	function set_numbers_style ($style, $preserve_defaults = false)
 882      {
 883          if (!$preserve_defaults) {
 884              $this->language_data['STYLES']['NUMBERS'][0] = $style;
 885          } else {
 886              $this->language_data['STYLES']['NUMBERS'][0] .= $style;
 887          }
 888      }
 889  
 890      /**
 891       * Turns highlighting on/off for numbers
 892       * 
 893       * @param boolean Whether to turn highlighting for numbers on or off
 894       * @since 1.0.0
 895       */
 896  	function set_numbers_highlighting ($flag)
 897      {
 898          $this->lexic_permissions['NUMBERS'] = ($flag) ? true : false;
 899      }
 900  
 901      /**
 902       * Sets the styles for methods. $key is a number that references the
 903       * appropriate "object splitter" - see the language file for the language
 904       * you are highlighting to get this number. If $preserve_defaults is
 905       * true, then styles are merged with the default styles, with the
 906       * user defined styles having priority
 907       * 
 908       * @param int     The key of the object splitter to change the styles of
 909       * @param string  The style to make the methods
 910       * @param boolean Whether to merge the new styles with the old or just
 911       *                to overwrite them
 912       * @since 1.0.0
 913       */
 914  	function set_methods_style ($key, $style, $preserve_defaults = false)
 915      {
 916          if (!$preserve_defaults) {
 917              $this->language_data['STYLES']['METHODS'][$key] = $style;
 918          } else {
 919              $this->language_data['STYLES']['METHODS'][$key] .= $style;
 920          }
 921      }
 922  
 923      /**
 924       * Turns highlighting on/off for methods
 925       * 
 926       * @param boolean Whether to turn highlighting for methods on or off
 927       * @since 1.0.0
 928       */
 929  	function set_methods_highlighting ($flag)
 930      {
 931          $this->lexic_permissions['METHODS'] = ($flag) ? true : false;
 932      }
 933  
 934      /**
 935       * Sets the styles for regexps. If $preserve_defaults is
 936       * true, then styles are merged with the default styles, with the
 937       * user defined styles having priority
 938       * 
 939       * @param string  The style to make the regular expression matches
 940       * @param boolean Whether to merge the new styles with the old or just
 941       *                to overwrite them
 942       * @since 1.0.0
 943       */
 944  	function set_regexps_style ($key, $style, $preserve_defaults = false)
 945      {
 946          if (!$preserve_defaults) {
 947              $this->language_data['STYLES']['REGEXPS'][$key] = $style;
 948          } else {
 949              $this->language_data['STYLES']['REGEXPS'][$key] .= $style;
 950          }
 951      }
 952  
 953      /**
 954       * Turns highlighting on/off for regexps
 955       * 
 956       * @param int     The key of the regular expression group to turn on or off
 957       * @param boolean Whether to turn highlighting for the regular expression group on or off
 958       * @since 1.0.0
 959       */
 960  	function set_regexps_highlighting ($key, $flag)
 961      {
 962          $this->lexic_permissions['REGEXPS'][$key] = ($flag) ? true : false;
 963      }
 964  
 965      /**
 966       * Sets whether a set of keywords are checked for in a case sensitive manner
 967       * 
 968       * @param int The key of the keyword group to change the case sensitivity of
 969       * @param boolean Whether to check in a case sensitive manner or not
 970       * @since 1.0.0
 971       */
 972  	function set_case_sensitivity ($key, $case)
 973      {
 974          $this->language_data['CASE_SENSITIVE'][$key] = ($case) ? true : false;
 975      }
 976  
 977      /**
 978       * Sets the case that keywords should use when found. Use the constants:
 979       * 
 980       * <ul>
 981       *   <li><b>GESHI_CAPS_NO_CHANGE</b>: leave keywords as-is</li>
 982       *   <li><b>GESHI_CAPS_UPPER</b>: convert all keywords to uppercase where found</li>
 983       *   <li><b>GESHI_CAPS_LOWER</b>: convert all keywords to lowercase where found</li>
 984       * </ul>
 985       * 
 986       * @param int A constant specifying what to do with matched keywords
 987       * @since 1.0.1
 988       * @todo  Error check the passed value
 989       */
 990  	function set_case_keywords ($case)
 991      {
 992          $this->language_data['CASE_KEYWORDS'] = $case;
 993      }
 994  
 995      /**
 996       * Sets how many spaces a tab is substituted for
 997       * 
 998       * Widths below zero are ignored
 999       * 
1000       * @param int The tab width
1001       * @since 1.0.0
1002       */
1003  	function set_tab_width ($width)
1004      {
1005          $this->tab_width = intval($width);
1006      }
1007  
1008      /**
1009       * Enables/disables strict highlighting. Default is off, calling this
1010       * method without parameters will turn it on. See documentation
1011       * for more details on strict mode and where to use it.
1012       * 
1013       * @param boolean Whether to enable strict mode or not
1014       * @since 1.0.0
1015       */
1016  	function enable_strict_mode ($mode = true)
1017      {
1018          if (GESHI_MAYBE == $this->language_data['STRICT_MODE_APPLIES']) {
1019            $this->strict_mode = ($mode) ? true : false;
1020          }
1021      }
1022  
1023      /**
1024       * Disables all highlighting
1025       * 
1026       * @since 1.0.0
1027       * @todo Rewrite with an array traversal
1028       */
1029  	function disable_highlighting ()
1030      {
1031          foreach ($this->lexic_permissions as $key => $value) {
1032              if (is_array($value)) {
1033                  foreach ($value as $k => $v) {
1034                      $this->lexic_permissions[$key][$k] = false;
1035                  }
1036              } else {
1037                  $this->lexic_permissions[$key] = false;
1038              }
1039          }
1040          // Context blocks
1041          $this->enable_important_blocks = false;
1042      }
1043  
1044      /**
1045       * Enables all highlighting
1046       * 
1047       * @since 1.0.0
1048       * @todo  Rewrite with array traversal
1049       */
1050  	function enable_highlighting ()
1051      {
1052          foreach ($this->lexic_permissions as $key => $value) {
1053              if (is_array($value)) {
1054                  foreach ($value as $k => $v) {
1055                      $this->lexic_permissions[$key][$k] = true;
1056                  }
1057              } else {
1058                  $this->lexic_permissions[$key] = true;
1059              }
1060          }
1061          // Context blocks
1062          $this->enable_important_blocks = true;
1063      }
1064  
1065      /**
1066       * Given a file extension, this method returns either a valid geshi language
1067       * name, or the empty string if it couldn't be found
1068       * 
1069       * @param string The extension to get a language name for
1070       * @param array  A lookup array to use instead of the default
1071       * @since 1.0.5
1072       * @todo Re-think about how this method works (maybe make it private and/or make it
1073       *       a extension->lang lookup?)
1074       * @todo static?
1075       */
1076  	function get_language_name_from_extension ( $extension, $lookup = array() )
1077      {
1078          if ( !$lookup )
1079          {
1080              $lookup = array(
1081                  'actionscript' => array('as'),
1082                  'ada' => array('a', 'ada', 'adb', 'ads'),
1083                  'apache' => array('conf'),
1084                  'asm' => array('ash', 'asm'),
1085                  'asp' => array('asp'),
1086                  'bash' => array('sh'),
1087                  'c' => array('c'),
1088                  'c_mac' => array('c'),
1089                  'caddcl' => array(),
1090                  'cadlisp' => array(),
1091                  'cdfg' => array('cdfg'),
1092                  'cpp' => array('cpp'),
1093                  'csharp' => array(),
1094                  'css' => array('css'),
1095                  'delphi' => array('dpk', 'dpr'),
1096                  'html4strict' => array('html', 'htm'),
1097                  'java' => array('java'),
1098                  'javascript' => array('js'),
1099                  'lisp' => array('lisp'),
1100                  'lua' => array('lua'),
1101                  'mpasm' => array(),
1102                  'nsis' => array(),
1103                  'objc' => array(),
1104                  'oobas' => array(),
1105                  'oracle8' => array(),
1106                  'pascal' => array('pas'),
1107                  'perl' => array('pl', 'pm'),
1108                  'php' => array('php', 'php5', 'phtml', 'phps'),
1109                  'python' => array('py'),
1110                  'qbasic' => array('bi'),
1111                  'sas' => array('sas'),
1112                  'smarty' => array(),
1113                  'vb' => array('bas'),
1114                  'vbnet' => array(),
1115                  'visualfoxpro' => array(),
1116                  'xml' => array('xml')
1117              );
1118          }
1119  
1120          foreach ($lookup as $lang => $extensions) {
1121              foreach ($extensions as $ext) {
1122                  if ($ext == $extension) {
1123                      return $lang;
1124                  }
1125              }
1126          }
1127          return '';
1128      }
1129  
1130      /**
1131       * Given a file name, this method loads its contents in, and attempts
1132       * to set the language automatically. An optional lookup table can be
1133       * passed for looking up the language name. If not specified a default
1134       * table is used
1135       *
1136       * The language table is in the form
1137       * <pre>array(
1138       *   'lang_name' => array('extension', 'extension', ...),
1139       *   'lang_name' ...
1140       * );</pre>
1141       * 
1142       * @todo Complete rethink of this and above method
1143       * @since 1.0.5
1144       */
1145  	function load_from_file ($file_name, $lookup = array())
1146      {
1147          if (is_readable($file_name)) {
1148              $this->set_source(implode('', file($file_name)));
1149              $this->set_language($this->get_language_name_from_extension(substr(strrchr($file_name, '.'), 1), $lookup));
1150          } else {
1151              $this->error = GESHI_ERROR_FILE_NOT_READABLE;
1152          }
1153      }
1154  
1155      /**
1156       * Adds a keyword to a keyword group for highlighting
1157       * 
1158       * @param int    The key of the keyword group to add the keyword to
1159       * @param string The word to add to the keyword group
1160       * @since 1.0.0 
1161       */
1162  	function add_keyword ($key, $word)
1163      {
1164          $this->language_data['KEYWORDS'][$key][] = $word;
1165      }
1166  
1167      /**
1168       * Removes a keyword from a keyword group
1169       * 
1170       * @param int    The key of the keyword group to remove the keyword from
1171       * @param string The word to remove from the keyword group
1172       * @since 1.0.0 
1173       */
1174  	function remove_keyword ($key, $word)
1175      {
1176          $this->language_data['KEYWORDS'][$key] =
1177              array_diff($this->language_data['KEYWORDS'][$key], array($word));
1178      }
1179  
1180      /**
1181       * Creates a new keyword group
1182       * 
1183       * @param int    The key of the keyword group to create
1184       * @param string The styles for the keyword group
1185       * @param boolean Whether the keyword group is case sensitive ornot
1186       * @param array  The words to use for the keyword group
1187       * @since 1.0.0 
1188       */
1189  	function add_keyword_group ( $key, $styles, $case_sensitive = true, $words = array() )
1190      {
1191          $words = (array) $words;
1192          $this->language_data['KEYWORDS'][$key] = $words;
1193          $this->lexic_permissions['KEYWORDS'][$key] = true;
1194          $this->language_data['CASE_SENSITIVE'][$key] = $case_sensitive;
1195          $this->language_data['STYLES']['KEYWORDS'][$key] = $styles;
1196      }
1197  
1198      /**
1199       * Removes a keyword group
1200       * 
1201       * @param int    The key of the keyword group to remove
1202       * @since 1.0.0 
1203       */
1204  	function remove_keyword_group ($key)
1205      {
1206          unset($this->language_data['KEYWORDS'][$key]);
1207          unset($this->lexic_permissions['KEYWORDS'][$key]);
1208          unset($this->language_data['CASE_SENSITIVE'][$key]);
1209          unset($this->language_data['STYLES']['KEYWORDS'][$key]);
1210      }
1211  
1212      /**
1213       * Sets the content of the header block
1214       * 
1215       * @param string The content of the header block
1216       * @since 1.0.2
1217       */
1218  	function set_header_content ($content)
1219      {
1220          $this->header_content = $content;
1221      }
1222  
1223      /**
1224       * Sets the content of the footer block
1225       * 
1226       * @param string The content of the footer block
1227       * @since 1.0.2
1228       */
1229  	function set_footer_content ($content)
1230      {
1231          $this->footer_content = $content;
1232      }
1233  
1234      /**
1235       * Sets the style for the header content
1236       * 
1237       * @param string The style for the header content
1238       * @since 1.0.2
1239       */
1240  	function set_header_content_style ($style)
1241      {
1242          $this->header_content_style = $style;
1243      }
1244  
1245      /**
1246       * Sets the style for the footer content
1247       * 
1248       * @param string The style for the footer content
1249       * @since 1.0.2
1250       */
1251  	function set_footer_content_style ($style)
1252      {
1253          $this->footer_content_style = $style;
1254      }
1255  
1256      /**
1257       * Sets the base URL to be used for keywords
1258       * 
1259       * @param int The key of the keyword group to set the URL for
1260       * @param string The URL to set for the group. If {FNAME} is in
1261       *               the url somewhere, it is replaced by the keyword
1262       *               that the URL is being made for
1263       * @since 1.0.2
1264       */
1265  	function set_url_for_keyword_group ($group, $url)
1266      {
1267          $this->language_data['URLS'][$group] = $url;
1268      }
1269  
1270      /**
1271       * Sets styles for links in code
1272       * 
1273       * @param int A constant that specifies what state the style is being
1274       *            set for - e.g. :hover or :visited
1275       * @param string The styles to use for that state
1276       * @since 1.0.2
1277       */
1278  	function set_link_styles ($type, $styles)
1279      {
1280          $this->link_styles[$type] = $styles;
1281      }
1282  
1283      /**
1284       * Sets the target for links in code
1285       * 
1286       * @param string The target for links in the code, e.g. _blank
1287       * @since 1.0.3
1288       */
1289  	function set_link_target ( $target )
1290      {
1291          if (!$target) {
1292              $this->link_target = '';
1293          } else {
1294              $this->link_target = ' target="' . $target . '" ';
1295          }
1296      }
1297  
1298      /**
1299       * Sets styles for important parts of the code
1300       * 
1301       * @param string The styles to use on important parts of the code
1302       * @since 1.0.2
1303       */
1304  	function set_important_styles ($styles)
1305      {
1306          $this->important_styles = $styles;
1307      }
1308  
1309      /**
1310       * Sets whether context-important blocks are highlighted
1311       * 
1312       * @todo REMOVE THIS SHIZ FROM GESHI!
1313       * @deprecated
1314       */
1315  	function enable_important_blocks ( $flag )
1316      {
1317          $this->enable_important_blocks = ( $flag ) ? true : false;
1318      }
1319  
1320      /**
1321       * Whether CSS IDs should be added to each line
1322       * 
1323       * @param boolean If true, IDs will be added to each line.
1324       * @since 1.0.2
1325       */
1326  	function enable_ids ($flag = true)
1327      {
1328          $this->add_ids = ($flag) ? true : false;
1329      }
1330  
1331      /**
1332       * Specifies which lines to highlight extra
1333       * 
1334       * @param mixed An array of line numbers to highlight, or just a line
1335       *              number on its own.
1336       * @since 1.0.2
1337       * @todo  Some data replication here that could be cut down on
1338       */
1339  	function highlight_lines_extra ($lines)
1340      {
1341          if (is_array($lines)) {
1342              foreach ($lines as $line) {
1343                  $this->highlight_extra_lines[intval($line)] = intval($line);
1344              }
1345          } else {
1346              $this->highlight_extra_lines[intval($lines)] = intval($lines);
1347          }
1348      }
1349  
1350      /**
1351       * Sets the style for extra-highlighted lines
1352       * 
1353       * @param string The style for extra-highlighted lines
1354       * @since 1.0.2
1355       */
1356  	function set_highlight_lines_extra_style ($styles)
1357      {
1358          $this->highlight_extra_lines_style = $styles;
1359      }
1360  
1361      /**
1362       * Sets what number line numbers should start at. Should
1363       * be a positive integer, and will be converted to one.
1364       * 
1365       * <b>Warning:</b> Using this method will add the "start"
1366       * attribute to the &lt;ol&gt; that is used for line numbering.
1367       * This is <b>not</b> valid XHTML strict, so if that's what you
1368       * care about then don't use this method. Firefox is getting
1369       * support for the CSS method of doing this in 1.1 and Opera
1370       * has support for the CSS method, but (of course) IE doesn't
1371       * so it's not worth doing it the CSS way yet.
1372       * 
1373       * @param int The number to start line numbers at
1374       * @since 1.0.2
1375       */
1376  	function start_line_numbers_at ($number)
1377      {
1378          $this->line_numbers_start = abs(intval($number));
1379      }
1380  
1381      /**
1382       * Sets the encoding used for htmlspecialchars(), for international
1383       * support.
1384       * 
1385       * @param string The encoding to use for the source
1386       * @since 1.0.3
1387       */
1388  	function set_encoding ($encoding)
1389      {
1390          if ($encoding) {
1391            $this->encoding = $encoding;
1392          }
1393      }
1394  
1395      /**
1396       * Returns the code in $this->source, highlighted and surrounded by the
1397       * nessecary HTML.
1398       * 
1399       * This should only be called ONCE, cos it's SLOW! If you want to highlight
1400       * the same source multiple times, you're better off doing a whole lot of
1401       * str_replaces to replace the &lt;span&gt;s
1402       * 
1403       * @since 1.0.0
1404       */
1405  	function parse_code ()
1406      {
1407          // Start the timer
1408          $start_time = microtime();
1409  
1410          // Firstly, if there is an error, we won't highlight
1411          if ($this->error) {
1412              $result = @htmlspecialchars($this->source, ENT_COMPAT, $this->encoding);
1413              // Timing is irrelevant
1414              $this->set_time($start_time, $start_time);
1415              return $this->finalise($result);
1416          }
1417  
1418          // Replace all newlines to a common form.
1419          $code = str_replace("\r\n", "\n", $this->source);
1420          $code = str_replace("\r", "\n", $code);
1421          // Add spaces for regular expression matching and line numbers
1422          $code = "\n" . $code . "\n";
1423  
1424          // Initialise various stuff
1425          $length           = strlen($code);
1426          $STRING_OPEN      = '';
1427          $CLOSE_STRING     = false;
1428          $ESCAPE_CHAR_OPEN = false;
1429          $COMMENT_MATCHED  = false;
1430          // Turn highlighting on if strict mode doesn't apply to this language
1431          $HIGHLIGHTING_ON  = ( !$this->strict_mode ) ? true : '';
1432          // Whether to highlight inside a block of code
1433          $HIGHLIGHT_INSIDE_STRICT = false;
1434          $HARDQUOTE_OPEN = false;
1435          $stuff_to_parse   = '';
1436          $result           = '';
1437  
1438          // "Important" selections are handled like multiline comments
1439          // @todo GET RID OF THIS SHIZ
1440          if ($this->enable_important_blocks) {
1441              $this->language_data['COMMENT_MULTI'][GESHI_START_IMPORTANT] = GESHI_END_IMPORTANT;
1442          }
1443  
1444          if ($this->strict_mode) {
1445              // Break the source into bits. Each bit will be a portion of the code
1446              // within script delimiters - for example, HTML between < and >
1447              $parts = array(0 => array(0 => ''));
1448              $k = 0;
1449              for ($i = 0; $i < $length; $i++) {
1450                  $char = substr($code, $i, 1);
1451                  if (!$HIGHLIGHTING_ON) {
1452                      foreach ($this->language_data['SCRIPT_DELIMITERS'] as $key => $delimiters) {
1453                          foreach ($delimiters as $open => $close) {
1454                              // Get the next little bit for this opening string
1455                              $check = substr($code, $i, strlen($open));
1456                              // If it matches...
1457                              if ($check == $open) {
1458                                  // We start a new block with the highlightable
1459                                  // code in it
1460                                  $HIGHLIGHTING_ON = $open;
1461                                  $i += strlen($open) - 1;
1462                                  $char = $open;
1463                                  $parts[++$k][0] = $char;
1464  
1465                                  // No point going around again...
1466                                  break(2);
1467                              }
1468                          }
1469                      }
1470                  } else {
1471                      foreach ($this->language_data['SCRIPT_DELIMITERS'] as $key => $delimiters) {
1472                          foreach ($delimiters as $open => $close) {
1473                              if ($open == $HIGHLIGHTING_ON) {
1474                                  // Found the closing tag
1475                                  break(2);
1476                              }
1477                          }
1478                      }
1479                      // We check code from our current position BACKWARDS. This is so
1480                      // the ending string for highlighting can be included in the block
1481                      $check = substr($code, $i - strlen($close) + 1, strlen($close));
1482                      if ($check == $close) {
1483                          $HIGHLIGHTING_ON = '';
1484                          // Add the string to the rest of the string for this part
1485                          $parts[$k][1] = ( isset($parts[$k][1]) ) ? $parts[$k][1] . $char : $char;
1486                          $parts[++$k][0] = '';
1487                          $char = '';
1488                      }
1489                  }
1490                  $parts[$k][1] = ( isset($parts[$k][1]) ) ? $parts[$k][1] . $char : $char;
1491              }
1492              $HIGHLIGHTING_ON = '';
1493          } else {
1494              // Not strict mode - simply dump the source into
1495              // the array at index 1 (the first highlightable block)
1496              $parts = array(
1497                  1 => array(
1498                      0 => '',
1499                      1 => $code
1500                  )
1501              );
1502          }
1503  
1504          // Now we go through each part. We know that even-indexed parts are
1505          // code that shouldn't be highlighted, and odd-indexed parts should
1506          // be highlighted
1507          foreach ($parts as $key => $data) {
1508              $part = $data[1];
1509              // If this block should be highlighted...
1510              if ($key % 2) {
1511                  if ($this->strict_mode) {
1512                      // Find the class key for this block of code
1513                      foreach ($this->language_data['SCRIPT_DELIMITERS'] as $script_key => $script_data) {
1514                          foreach ($script_data as $open => $close) {
1515                              if ($data[0] == $open) {
1516                                  break(2);
1517                              }
1518                          }
1519                      }
1520  
1521                      if ($this->language_data['STYLES']['SCRIPT'][$script_key] != '' &&
1522                          $this->lexic_permissions['SCRIPT']) {
1523                          // Add a span element around the source to
1524                          // highlight the overall source block
1525                          if (!$this->use_classes &&
1526                              $this->language_data['STYLES']['SCRIPT'][$script_key] != '') {
1527                              $attributes = ' style="' . $this->language_data['STYLES']['SCRIPT'][$script_key] . '"';
1528                          } else {
1529                              $attributes = ' class="sc' . $script_key . '"';
1530                          }
1531                          $result .= "<span$attributes>";
1532                      }
1533                  }
1534  
1535                  if (!$this->strict_mode || $this->language_data['HIGHLIGHT_STRICT_BLOCK'][$script_key]) {
1536                      // Now, highlight the code in this block. This code
1537                      // is really the engine of GeSHi (along with the method
1538                      // parse_non_string_part).
1539                      $length = strlen($part);
1540                      for ($i = 0; $i < $length; $i++) {
1541                          // Get the next char
1542                          $char = substr($part, $i, 1);
1543                          $hq = isset($this->language_data['HARDQUOTE']) ? $this->language_data['HARDQUOTE'][0] : false;
1544                          // Is this char the newline and line numbers being used?
1545                          if (($this->line_numbers != GESHI_NO_LINE_NUMBERS
1546                              || count($this->highlight_extra_lines) > 0)
1547                              && $char == "\n") {
1548                              // If so, is there a string open? If there is, we should end it before
1549                              // the newline and begin it again (so when <li>s are put in the source
1550                              // remains XHTML compliant)
1551                              // note to self: This opens up possibility of config files specifying
1552                              // that languages can/cannot have multiline strings???
1553                              if ($STRING_OPEN) {
1554                                  if (!$this->use_classes) {
1555                                      $attributes = ' style="' . $this->language_data['STYLES']['STRINGS'][0] . '"';
1556                                  } else {
1557                                      $attributes = ' class="st0"';
1558                                  }
1559                                  $char = '</span>' . $char . "<span$attributes>";
1560                              }
1561                          } elseif ($char == $STRING_OPEN) {
1562                              // A match of a string delimiter
1563                              if (($this->lexic_permissions['ESCAPE_CHAR'] && $ESCAPE_CHAR_OPEN) ||
1564                                  ($this->lexic_permissions['STRINGS'] && !$ESCAPE_CHAR_OPEN)) {
1565                                  $char = htmlspecialchars($char, ENT_COMPAT, $this->encoding) . '</span>';
1566                              }
1567                              $escape_me = false;
1568                              if ($HARDQUOTE_OPEN)
1569                              {
1570                                  if ($ESCAPE_CHAR_OPEN)
1571                                  $escape_me = true;
1572                                  else {
1573                                      foreach ($this->language_data['HARDESCAPE'] as $hardesc)
1574                                      if (substr($part, $i, strlen($hardesc)) == $hardesc)
1575                                      {
1576                                          $escape_me = true;
1577                                          break;
1578                                      }
1579                                  }
1580                              }
1581                              if (!$ESCAPE_CHAR_OPEN) {
1582                                  $STRING_OPEN = '';
1583                                  $CLOSE_STRING = true;
1584                              }
1585                              if (!$escape_me) {
1586                                  $HARDQUOTE_OPEN = false;
1587                              }
1588                              $ESCAPE_CHAR_OPEN = false;
1589                          } elseif (in_array($char, $this->language_data['QUOTEMARKS']) &&
1590                              ($STRING_OPEN == '') && $this->lexic_permissions['STRINGS']) {
1591                              // The start of a new string
1592                              $STRING_OPEN = $char;
1593                              if (!$this->use_classes) {
1594                                  $attributes = ' style="' . $this->language_data['STYLES']['STRINGS'][0] . '"';
1595                              } else {
1596                                  $attributes = ' class="st0"';
1597                              }
1598                              $char = "<span$attributes>" . htmlspecialchars($char, ENT_COMPAT, $this->encoding);
1599  
1600                              $result .= $this->parse_non_string_part( $stuff_to_parse );
1601                              $stuff_to_parse = '';
1602                          } elseif (
1603                          $hq &&
1604                          substr($part, $i, strlen($hq)) == $hq &&
1605                          ($STRING_OPEN == '') && $this->lexic_permissions['STRINGS']
1606                          )
1607                          {
1608                          // The start of a hard quoted string
1609                          $STRING_OPEN = $this->language_data['HARDQUOTE'][1];
1610                          if (!$this->use_classes) {
1611                              $attributes = ' style="' . $this->language_data['STYLES']['STRINGS'][0] . '"';
1612                          } else {
1613                              $attributes = ' class="st0"';
1614                          }
1615                          $char = "<span$attributes>" . $hq;
1616                          $i += strlen($hq) - 1;
1617                          $HARDQUOTE_OPEN = true;
1618                          $result .= $this->parse_non_string_part( $stuff_to_parse );
1619                          $stuff_to_parse = '';
1620                          } elseif ($char == $this->language_data['ESCAPE_CHAR'] && $STRING_OPEN != '')
1621                          {
1622                              // An escape character
1623                              if (!$ESCAPE_CHAR_OPEN) {
1624                                  $ESCAPE_CHAR_OPEN = !$HARDQUOTE_OPEN;  // true unless $HARDQUOTE_OPEN
1625                                  if ($HARDQUOTE_OPEN)
1626                                      foreach ($this->language_data['HARDESCAPE'] as $hard)
1627                                      {
1628                                          if (substr($part, $i, strlen($hard)) == $hard)
1629                                          {
1630                                  $ESCAPE_CHAR_OPEN = true;
1631                                              break;
1632                                          }
1633                                      }
1634                                  if ($ESCAPE_CHAR_OPEN && $this->lexic_permissions['ESCAPE_CHAR']) {
1635                                      if (!$this->use_classes) {
1636                                          $attributes = ' style="' . $this->language_data['STYLES']['ESCAPE_CHAR'][0] . '"';
1637                                      } else {
1638                                          $attributes = ' class="es0"';
1639                                      }
1640                                      $char = "<span$attributes>" . $char;
1641                                      if (substr($code, $i + 1, 1) == "\n") {
1642                                          // escaping a newline, what's the point in putting the span around
1643                                          // the newline? It only causes hassles when inserting line numbers
1644                                          $char .= '</span>';
1645                                          $ESCAPE_CHAR_OPEN = false;
1646                                      }
1647                                  }
1648                              } else {
1649                                  $ESCAPE_CHAR_OPEN = false;
1650                                  if ($this->lexic_permissions['ESCAPE_CHAR']) {
1651                                      $char .= '</span>';
1652                                  }
1653                              }
1654                          } elseif ($ESCAPE_CHAR_OPEN) {
1655                              if ($this->lexic_permissions['ESCAPE_CHAR']) {
1656                                  $char .= '</span>';
1657                              }
1658                              $ESCAPE_CHAR_OPEN = false;
1659                              $test_str = $char;
1660                          } elseif ($STRING_OPEN == '') {
1661                              // Is this a multiline comment?
1662                              foreach ($this->language_data['COMMENT_MULTI'] as $open => $close) {
1663                                  $com_len = strlen($open);
1664                                  $test_str = substr( $part, $i, $com_len );
1665                                  $test_str_match = $test_str;
1666                                  if ($open == $test_str) {
1667                                      $COMMENT_MATCHED = true;
1668                                      //@todo If remove important do remove here
1669                                      if ($this->lexic_permissions['COMMENTS']['MULTI'] ||
1670                                          $test_str == GESHI_START_IMPORTANT) {
1671                                          if ($test_str != GESHI_START_IMPORTANT) {
1672                                              if (!$this->use_classes) {
1673                                                  $attributes = ' style="' . $this->language_data['STYLES']['COMMENTS']['MULTI'] . '"';
1674                                              } else {
1675                                                  $attributes = ' class="coMULTI"';
1676                                              }
1677                                              $test_str = "<span$attributes>" . @htmlspecialchars($test_str, ENT_COMPAT, $this->encoding);
1678                                          } else {
1679                                              if (!$this->use_classes) {
1680                                                  $attributes = ' style="' . $this->important_styles . '"';
1681                                              } else {
1682                                                  $attributes = ' class="imp"';
1683                                              }
1684                                              // We don't include the start of the comment if it's an
1685                                              // "important" part
1686                                              $test_str = "<span$attributes>";
1687                                          }
1688                                      } else {
1689                                          $test_str = @htmlspecialchars($test_str, ENT_COMPAT, $this->encoding);
1690                                      }
1691  
1692                                      $close_pos = strpos( $part, $close, $i + strlen($close) );
1693  
1694                                      if ($close_pos === false) {
1695                                          $close_pos = strlen($part);
1696                                      }
1697  
1698                                      // Short-cut through all the multiline code
1699                                      $rest_of_comment = @htmlspecialchars(substr($part, $i + $com_len, $close_pos - $i), ENT_COMPAT, $this->encoding);
1700                                      if (($this->lexic_permissions['COMMENTS']['MULTI'] ||
1701                                          $test_str_match == GESHI_START_IMPORTANT) &&
1702                                          ($this->line_numbers != GESHI_NO_LINE_NUMBERS ||
1703                                          count($this->highlight_extra_lines) > 0)) {
1704                                          // strreplace to put close span and open span around multiline newlines
1705                                          $test_str .= str_replace("\n", "</span>\n<span$attributes>", $rest_of_comment);
1706                                      } else {
1707                                          $test_str .= $rest_of_comment;
1708                                      }
1709  
1710                                      if ($this->lexic_permissions['COMMENTS']['MULTI'] ||
1711                                          $test_str_match == GESHI_START_IMPORTANT) {
1712                                          $test_str .= '</span>';
1713                                      }
1714                                      $i = $close_pos + $com_len - 1;
1715                                      // parse the rest
1716                                      $result .= $this->parse_non_string_part($stuff_to_parse);
1717                                      $stuff_to_parse = '';
1718                                      break;
1719                                  }
1720                              }
1721                              // If we haven't matched a multiline comment, try single-line comments
1722                              if (!$COMMENT_MATCHED) {
1723                                  foreach ($this->language_data['COMMENT_SINGLE'] as $comment_key => $comment_mark) {
1724                                      $com_len = strlen($comment_mark);
1725                                      $test_str = substr($part, $i, $com_len);
1726                                      if ($this->language_data['CASE_SENSITIVE'][GESHI_COMMENTS]) {
1727                                          $match = ($comment_mark == $test_str);
1728                                      } else {
1729                                          $match = (strtolower($comment_mark) == strtolower($test_str));
1730                                      }
1731                                      if ($match) {
1732                                          $COMMENT_MATCHED = true;
1733                                          if ($this->lexic_permissions['COMMENTS'][$comment_key]) {
1734                                              if (!$this->use_classes) {
1735                                                  $attributes = ' style="' . $this->language_data['STYLES']['COMMENTS'][$comment_key] . '"';
1736                                              } else {
1737                                                  $attributes = ' class="co' . $comment_key . '"';
1738                                              }
1739                                              $test_str = "<span$attributes>" . @htmlspecialchars($this->change_case($test_str), ENT_COMPAT, $this->encoding);
1740                                          } else {
1741                                              $test_str = @htmlspecialchars($test_str, ENT_COMPAT, $this->encoding);
1742                                          }
1743                                          $close_pos = strpos($part, "\n", $i);
1744                                          $oops = false;
1745                                          if ($close_pos === false) {
1746                                              $close_pos = strlen($part);
1747                                              $oops = true;
1748                                          }
1749                                          $test_str .= @htmlspecialchars(substr($part, $i + $com_len, $close_pos - $i - $com_len), ENT_COMPAT, $this->encoding);
1750                                          if ($this->lexic_permissions['COMMENTS'][$comment_key]) {
1751                                              $test_str .= "</span>";
1752                                          }
1753                                          // Take into account that the comment might be the last in the source
1754                                          if (!$oops) { 
1755                                            $test_str .= "\n";
1756                                          }
1757                                          $i = $close_pos;
1758                                          // parse the rest
1759                                          $result .= $this->parse_non_string_part($stuff_to_parse);
1760                                          $stuff_to_parse = '';
1761                                          break;
1762                                      }
1763                                  }
1764                              }
1765                          } elseif ($STRING_OPEN != '') {
1766                              // Otherwise, convert it to HTML form
1767                              if (strtolower($this->encoding) == 'utf-8') {
1768                                  //only escape <128 (we don't want to break multibyte chars)
1769                                  if (ord($char) < 128) {
1770                                      $char = @htmlspecialchars($char, ENT_COMPAT, $this->encoding);
1771                                  }
1772                              } else {
1773                                  //encode everthing
1774                                  $char = @htmlspecialchars($char, ENT_COMPAT, $this->encoding);
1775                              }
1776                          }
1777                          // Where are we adding this char?
1778                          if (!$COMMENT_MATCHED) {
1779                              if (($STRING_OPEN == '') && !$CLOSE_STRING) {
1780                                  $stuff_to_parse .= $char;
1781                              } else {
1782                                  $result .= $char;
1783                                  $CLOSE_STRING = false;
1784                              }
1785                          } else {
1786                              $result .= $test_str;
1787                              $COMMENT_MATCHED = false;
1788                          }
1789                      }
1790                      // Parse the last bit
1791                      $result .= $this->parse_non_string_part($stuff_to_parse);
1792                      $stuff_to_parse = '';
1793                  } else {
1794                      $result .= @htmlspecialchars($part, ENT_COMPAT, $this->encoding);
1795                  }
1796                  // Close the <span> that surrounds the block
1797                  if ($this->strict_mode && $this->language_data['STYLES']['SCRIPT'][$script_key] != '' &&
1798                      $this->lexic_permissions['SCRIPT']) {
1799                      $result .= '</span>';
1800                  }
1801              } else {
1802                  // Else not a block to highlight
1803                  $result .= @htmlspecialchars($part, ENT_COMPAT, $this->encoding);
1804              }
1805          }
1806  
1807          // Parse the last stuff (redundant?)
1808          $result .= $this->parse_non_string_part($stuff_to_parse);
1809  
1810          // Lop off the very first and last spaces
1811          $result = substr($result, 1, -1);
1812  
1813          // Are we still in a string?
1814          if ($STRING_OPEN) {
1815              $result .= '</span>';
1816          }
1817  
1818          // We're finished: stop timing
1819          $this->set_time($start_time, microtime());
1820  
1821          return $this->finalise($result);
1822      }
1823  
1824      /**
1825       * Swaps out spaces and tabs for HTML indentation. Not needed if
1826       * the code is in a pre block...
1827       * 
1828       * @param  string The source to indent
1829       * @return string The source with HTML indenting applied
1830       * @since  1.0.0
1831       * @access private
1832       */
1833  	function indent ($result)
1834      {
1835              /// Replace tabs with the correct number of spaces
1836              if (false !== strpos($result, "\t")) {
1837                  $lines = explode("\n", $result);
1838                  foreach ($lines as $key => $line) {
1839                      if (false === strpos($line, "\t")) {
1840                          $lines[$key] = $line;
1841                          continue;
1842                      }
1843                      
1844                      $pos = 0;
1845                      $tab_width = $this->tab_width;
1846                      $length = strlen($line);
1847                      $result_line = '';
1848  
1849                      $IN_TAG = false;
1850                      for ($i = 0; $i < $length; $i++) {
1851                          $char = substr($line, $i, 1);
1852                          // Simple engine to work out whether we're in a tag.
1853                          // If we are we modify $pos. This is so we ignore HTML
1854                          // in the line and only workout the tab replacement
1855                          // via the actual content of the string
1856                          // This test could be improved to include strings in the
1857                          // html so that < or > would be allowed in user's styles
1858                          // (e.g. quotes: '<' '>'; or similar)
1859                          if ($IN_TAG && '>' == $char) {
1860                              $IN_TAG = false;
1861                              $result_line .= '>';
1862                              ++$pos;
1863                          } elseif (!$IN_TAG && '<' == $char) {
1864                              $IN_TAG = true;
1865                              $result_line .= '<';
1866                              ++$pos;
1867                          } elseif (!$IN_TAG && '&' == $char) {                            $substr = substr($line, $i + 3, 4);
1868                              //$substr_5 = substr($line, 5, 1);
1869                              $posi = strpos($substr, ';');
1870                              if (false !== $posi) {
1871                                  $pos += $posi + 3;
1872                              }
1873                              $result_line .= '&';
1874                          } elseif (!$IN_TAG && "\t" == $char) {
1875                              $str = '';
1876                              // OPTIMISE - move $strs out. Make an array:
1877                              // $tabs = array(
1878                              //  1 => '&nbsp;',
1879                              //  2 => '&nbsp; ',
1880                              //  3 => '&nbsp; &nbsp;' etc etc
1881                              // to use instead of building a string every time
1882                              $strs = array(0 => '&nbsp;', 1 => ' ');
1883                              for ($k = 0; $k < ($tab_width - (($i - $pos) % $tab_width)); $k++) $str .= $strs[$k % 2];
1884                              $result_line .= $str;
1885                              //$pos--;
1886                              $pos++;
1887                              //$pos -= $tab_width-1;
1888  
1889                              if (false === strpos($line, "\t", $i + 1)) {
1890                                  //$lines[$key] = $result_line;
1891                                  $result_line .= substr($line, $i + 1);
1892                                  break;
1893                              }
1894                          } elseif ( $IN_TAG ) {
1895                              ++$pos;
1896                              $result_line .= $char;
1897                          } else {
1898                              $result_line .= $char;
1899                              //++$pos;
1900                          }
1901                      }
1902                      $lines[$key] = $result_line;
1903                  }
1904                  $result = implode("\n", $lines);
1905              }
1906          // Other whitespace
1907          $result = str_replace('  ', '&nbsp; ', $result);
1908          $result = str_replace('  ', ' &nbsp;', $result);
1909          $result = str_replace("\n ", "\n&nbsp;", $result);
1910  
1911          if ($this->line_numbers == GESHI_NO_LINE_NUMBERS) {
1912              $result = nl2br($result);
1913          }
1914          return $result;
1915      }
1916  
1917      /**
1918       * Changes the case of a keyword for those languages where a change is asked for
1919       * 
1920       * @param  string The keyword to change the case of
1921       * @return string The keyword with its case changed
1922       * @since  1.0.0
1923       * @access private
1924       */
1925  	function change_case ($instr)
1926      {
1927          if ($this->language_data['CASE_KEYWORDS'] == GESHI_CAPS_UPPER) {
1928              return strtoupper($instr);
1929          } elseif ($this->language_data['CASE_KEYWORDS'] == GESHI_CAPS_LOWER) {
1930              return strtolower($instr);
1931          }
1932          return $instr;
1933      }
1934  
1935      /**
1936       * Adds a url to a keyword where needed.
1937       * 
1938       * @param  string The keyword to add the URL HTML to
1939       * @param  int What group the keyword is from
1940       * @param  boolean Whether to get the HTML for the start or end
1941       * @return The HTML for either the start or end of the HTML &lt;a&gt; tag
1942       * @since  1.0.2
1943       * @access private
1944       * @todo   Get rid of ender
1945       */
1946  	function add_url_to_keyword ($keyword, $group, $start_or_end)
1947      {
1948          if (isset($this->language_data['URLS'][$group]) &&
1949              $this->language_data['URLS'][$group] != '' &&
1950              substr($keyword, 0, 5) != '&lt;/') {
1951              // There is a base group for this keyword
1952              if ($start_or_end == 'BEGIN') {
1953                  // HTML workaround... not good form (tm) but should work for 1.0.X
1954                  if ($keyword != '') {
1955                      // Old system: strtolower
1956                      //$keyword = ( $this->language_data['CASE_SENSITIVE'][$group] ) ? $keyword : strtolower($keyword);
1957                      // New system: get keyword from language file to get correct case
1958                      foreach ($this->language_data['KEYWORDS'][$group] as $word) {
1959                          if (strtolower($word) == strtolower($keyword)) {
1960                              break;
1961                          }
1962                      }
1963                      $word = ( substr($word, 0, 4) == '&lt;' ) ? substr($word, 4) : $word;
1964                      $word = ( substr($word, -4) == '&gt;' ) ? substr($word, 0, strlen($word) - 4) : $word;
1965                      if (!$word) return '';
1966                      
1967                      return '<|UR1|"' .
1968                          str_replace(
1969                              array('{FNAME}', '.'),
1970                              array(@htmlspecialchars($word, ENT_COMPAT, $this->encoding), '<DOT>'),
1971                              $this->language_data['URLS'][$group]
1972                          ) . '">';
1973                  }
1974                  return '';
1975              // HTML fix. Again, dirty hackage...
1976              } elseif (!($this->language == 'html4strict' && '&gt;' == $keyword)) {
1977                  return '</a>';
1978              }
1979          }
1980      }
1981  
1982      /**
1983       * Takes a string that has no strings or comments in it, and highlights
1984       * stuff like keywords, numbers and methods.
1985       * 
1986       * @param string The string to parse for keyword, numbers etc.
1987       * @since 1.0.0
1988       * @access private
1989       * @todo BUGGY! Why? Why not build string and return?
1990       */
1991  	function parse_non_string_part (&$stuff_to_parse)
1992      {
1993          $stuff_to_parse = ' ' . @htmlspecialchars($stuff_to_parse, ENT_COMPAT, $this->encoding);
1994          $stuff_to_parse_pregquote = preg_quote($stuff_to_parse, '/');
1995          $func = '$this->change_case';
1996          $func2 = '$this->add_url_to_keyword';
1997  
1998          //
1999          // Regular expressions
2000          //
2001          foreach ($this->language_data['REGEXPS'] as $key => $regexp) {
2002              if ($this->lexic_permissions['REGEXPS'][$key]) {
2003                  if (is_array($regexp)) {
2004                      $stuff_to_parse = preg_replace(
2005                          "/" .
2006                          str_replace('/', '\/', $regexp[GESHI_SEARCH]) .
2007                          "/{$regexp[GESHI_MODIFIERS]}",
2008                          "{$regexp[GESHI_BEFORE]}<|!REG3XP$key!>{$regexp[GESHI_REPLACE]}|>{$regexp[GESHI_AFTER]}",
2009                          $stuff_to_parse
2010                      );
2011                  } else {
2012                      $stuff_to_parse = preg_replace( "/(" . str_replace('/', '\/', $regexp) . ")/", "<|!REG3XP$key!>\\1|>", $stuff_to_parse);
2013                  }
2014              }
2015          }
2016  
2017          //
2018          // Highlight numbers. This regexp sucks... anyone with a regexp that WORKS
2019          // here wins a cookie if they send it to me. At the moment there's two doing
2020          // almost exactly the same thing, except the second one prevents a number
2021          // being highlighted twice (eg <span...><span...>5</span></span>)
2022          // Put /NUM!/ in for the styles, which gets replaced at the end.
2023          //
2024          // NEW ONE: Brice Bernard
2025          // $stuff_to_parse = preg_replace('/([^(\\w|#|\\\|"|\')])(\\d+)/', '\\1<|/NUM!/>\\2|>', $stuff_to_parse);
2026          //$stuff_to_parse = preg_replace('/([-+]?\\b(?:[0-9]*\\.)?[0-9]+\\b)/', '<|/NUM!/>\\1|>', $stuff_to_parse);
2027          //
2028          if ($this->lexic_permissions['NUMBERS'] && preg_match('#[0-9]#', $stuff_to_parse )) {
2029              //$stuff_to_parse = preg_replace('#([^a-zA-Z0-9_\#])([0-9]+)([^a-zA-Z0-9])#', "\\1<|/NUM!/>\\2|>\\3", $stuff_to_parse);
2030              //$stuff_to_parse = preg_replace('#([^a-zA-Z0-9_\#>])([0-9]+)([^a-zA-Z0-9])#', "\\1<|/NUM!/>\\2|>\\3", $stuff_to_parse);
2031              $stuff_to_parse = preg_replace('/([-+]?\\b(?:[0-9]*\\.)?[0-9]+\\b)/', '<|/NUM!/>\\1|>', $stuff_to_parse);
2032          }
2033  
2034          // Highlight keywords
2035          // if there is a couple of alpha symbols there *might* be a keyword
2036          if (preg_match('#[a-zA-Z]{2,}#', $stuff_to_parse)) {
2037              foreach ($this->language_data['KEYWORDS'] as $k => $keywordset) {
2038                  if ($this->lexic_permissions['KEYWORDS'][$k]) {
2039                      foreach ($keywordset as $keyword) {
2040                          $keyword = preg_quote($keyword, '/');
2041                          //
2042                          // This replacement checks the word is on it's own (except if brackets etc
2043                          // are next to it), then highlights it. We don't put the color=" for the span
2044                          // in just yet - otherwise languages with the keywords "color" or "or" have
2045                          // a fit.
2046                          //
2047                          if (false !== stristr($stuff_to_parse_pregquote, $keyword )) {
2048                              $stuff_to_parse .= ' ';
2049                              // Might make a more unique string for putting the number in soon
2050                              // Basically, we don't put the styles in yet because then the styles themselves will
2051                              // get highlighted if the language has a CSS keyword in it (like CSS, for example ;))
2052                              $styles = "/$k/";
2053                              if ($this->language_data['CASE_SENSITIVE'][$k]) {
2054                                  $stuff_to_parse = preg_replace(
2055                                      "/([^a-zA-Z0-9\$_\|\#;>|^])($keyword)(?=[^a-zA-Z0-9_<\|%\-&])/e",
2056                                      "'\\1' . $func2('\\2', '$k', 'BEGIN') . '<|$styles>' . $func('\\2') . '|>' . $func2('\\2', '$k', 'END')",
2057                                      $stuff_to_parse
2058                                  );
2059                              } else {
2060                                  // Change the case of the word.
2061                                  // hackage again... must... release... 1.2...
2062                                  if ('smarty' == $this->language) { $hackage = '\/'; } else { $hackage = ''; }
2063                                  $stuff_to_parse = preg_replace(
2064                                      "/([^a-zA-Z0-9\$_\|\#;>$hackage|^])($keyword)(?=[^a-zA-Z0-9_<\|%\-&])/ie",
2065                                      "'\\1' . $func2('\\2', '$k', 'BEGIN') . '<|$styles>' . $func('\\2') . '|>' . $func2('\\2', '$k', 'END')",
2066                                      $stuff_to_parse
2067                                  );
2068                              }
2069                              $stuff_to_parse = substr($stuff_to_parse, 0, strlen($stuff_to_parse) - 1);
2070                          }
2071                      }
2072                  }
2073              }
2074          }
2075  
2076          //
2077          // Now that's all done, replace /[number]/ with the correct styles
2078          //
2079          foreach ($this->language_data['KEYWORDS'] as $k => $kws) {
2080              if (!$this->use_classes) {
2081                  $attributes = ' style="' . $this->language_data['STYLES']['KEYWORDS'][$k] . '"';
2082              } else {
2083                  $attributes = ' class="kw' . $k . '"';
2084              }
2085              $stuff_to_parse = str_replace("/$k/", $attributes, $stuff_to_parse);
2086          }
2087  
2088          // Put number styles in
2089          if (!$this->use_classes && $this->lexic_permissions['NUMBERS']) {
2090              $attributes = ' style="' . $this->language_data['STYLES']['NUMBERS'][0] . '"';
2091          } else {
2092              $attributes = ' class="nu0"';
2093          }
2094          $stuff_to_parse = str_replace('/NUM!/', $attributes, $stuff_to_parse);
2095  
2096          //
2097          // Highlight methods and fields in objects
2098          //
2099          if ($this->lexic_permissions['METHODS'] && $this->language_data['OOLANG']) {
2100              foreach ($this->language_data['OBJECT_SPLITTERS'] as $key => $splitter) {
2101                  if (false !== stristr($stuff_to_parse, $splitter)) {
2102                      if (!$this->use_classes) {
2103                          $attributes = ' style="' . $this->language_data['STYLES']['METHODS'][$key] . '"';
2104                      } else {
2105                          $attributes = ' class="me' . $key . '"';
2106                      }
2107                      $stuff_to_parse = preg_replace("/(" . preg_quote($this->language_data['OBJECT_SPLITTERS'][$key], 1) . "[\s]*)([a-zA-Z\*\(][a-zA-Z0-9_\*]*)/", "\\1<|$attributes>\\2|>", $stuff_to_parse);
2108                  }
2109              }
2110          }
2111  
2112          //
2113          // Highlight brackets. Yes, I've tried adding a semi-colon to this list.
2114          // You try it, and see what happens ;)
2115          // TODO: Fix lexic permissions not converting entities if shouldn't
2116          // be highlighting regardless
2117          //
2118          if ($this->lexic_permissions['BRACKETS']) {
2119              $code_entities_match = array('[', ']', '(', ')', '{', '}');
2120              if (!$this->use_classes) {
2121                  $code_entities_replace = array(
2122                      '<| style="' . $this->language_data['STYLES']['BRACKETS'][0] . '">&#91;|>',
2123                      '<| style="' . $this->language_data['STYLES']['BRACKETS'][0] . '">&#93;|>',
2124                      '<| style="' . $this->language_data['STYLES']['BRACKETS'][0] . '">&#40;|>',
2125                      '<| style="' . $this->language_data['STYLES']['BRACKETS'][0] . '">&#41;|>',
2126                      '<| style="' . $this->language_data['STYLES']['BRACKETS'][0] . '">&#123;|>',
2127                      '<| style="' . $this->language_data['STYLES']['BRACKETS'][0] . '">&#125;|>',
2128                  );
2129              } else {
2130                  $code_entities_replace = array(
2131                      '<| class="br0">&#91;|>',
2132                      '<| class="br0">&#93;|>',
2133                      '<| class="br0">&#40;|>',
2134                      '<| class="br0">&#41;|>',
2135                      '<| class="br0">&#123;|>',
2136                      '<| class="br0">&#125;|>',
2137                  );
2138              }
2139              $stuff_to_parse = str_replace( $code_entities_match,  $code_entities_replace, $stuff_to_parse );
2140          }
2141  
2142          //
2143          // Add class/style for regexps
2144          //
2145          foreach ($this->language_data['REGEXPS'] as $key => $regexp) {
2146              if ($this->lexic_permissions['REGEXPS'][$key]) {
2147                  if (!$this->use_classes) {
2148                      $attributes = ' style="' . $this->language_data['STYLES']['REGEXPS'][$key] . '"';
2149                  } else {
2150                     if(is_array($this->language_data['REGEXPS'][$key]) &&
2151                              array_key_exists(GESHI_CLASS, $this->language_data['REGEXPS'][$key])) {
2152                          $attributes = ' class="'
2153                              . $this->language_data['REGEXPS'][$key][GESHI_CLASS] . '"';
2154                      } else {
2155                         $attributes = ' class="re' . $key . '"';
2156                      }
2157                  }
2158                  $stuff_to_parse = str_replace("!REG3XP$key!", "$attributes", $stuff_to_parse);
2159              }
2160          }
2161  
2162          // Replace <DOT> with . for urls
2163          $stuff_to_parse = str_replace('<DOT>', '.', $stuff_to_parse);
2164          // Replace <|UR1| with <a href= for urls also
2165          if (isset($this->link_styles[GESHI_LINK])) {
2166              if ($this->use_classes) {
2167                  $stuff_to_parse = str_replace('<|UR1|', '<a' . $this->link_target . ' href=', $stuff_to_parse);
2168              } else {
2169                  $stuff_to_parse = str_replace('<|UR1|', '<a' . $this->link_target . ' style="' . $this->link_styles[GESHI_LINK] . '" href=', $stuff_to_parse);
2170              }
2171          } else {
2172              $stuff_to_parse = str_replace('<|UR1|', '<a' . $this->link_target . ' href=', $stuff_to_parse);
2173          }
2174  
2175          //
2176          // NOW we add the span thingy ;)
2177          //
2178  
2179          $stuff_to_parse = str_replace('<|', '<span', $stuff_to_parse);
2180          $stuff_to_parse = str_replace ( '|>', '</span>', $stuff_to_parse );
2181  
2182          return substr($stuff_to_parse, 1);
2183      }
2184  
2185      /**
2186       * Sets the time taken to parse the code
2187       * 
2188       * @param microtime The time when parsing started
2189       * @param microtime The time when parsing ended
2190       * @since 1.0.2
2191       * @access private
2192       */
2193  	function set_time ($start_time, $end_time)
2194      {
2195          $start = explode(' ', $start_time);
2196          $end = explode(' ', $end_time);
2197          $this->time = $end[0] + $end[1] - $start[0] - $start[1];
2198      }
2199  
2200      /**
2201       * Gets the time taken to parse the code
2202       * 
2203       * @return double The time taken to parse the code
2204       * @since  1.0.2
2205       */
2206  	function get_time ()
2207      {
2208          return $this->time;
2209      }
2210  
2211      /**
2212       * Gets language information and stores it for later use
2213       * 
2214       * @access private
2215       * @todo Needs to load keys for lexic permissions for keywords, regexps etc
2216       */
2217  	function load_language ($file_name)
2218      {
2219          $this->enable_highlighting();
2220          $language_data = array();
2221          require $file_name;
2222          // Perhaps some checking might be added here later to check that
2223          // $language data is a valid thing but maybe not
2224          $this->language_data = $language_data;
2225          // Set strict mode if should be set
2226          if ($this->language_data['STRICT_MODE_APPLIES'] == GESHI_ALWAYS) {
2227              $this->strict_mode = true;
2228          }
2229          // Set permissions for all lexics to true
2230          // so they'll be highlighted by default
2231          foreach ($this->language_data['KEYWORDS'] as $key => $words) {
2232              $this->lexic_permissions['KEYWORDS'][$key] = true;
2233          }
2234          foreach ($this->language_data['COMMENT_SINGLE'] as $key => $comment) {
2235              $this->lexic_permissions['COMMENTS'][$key] = true;
2236          }
2237          foreach ($this->language_data['REGEXPS'] as $key => $regexp) {
2238              $this->lexic_permissions['REGEXPS'][$key] = true;
2239          }
2240          // Set default class for CSS
2241          $this->overall_class = $this->language;
2242      }
2243  
2244      /**
2245       * Takes the parsed code and various options, and creates the HTML
2246       * surrounding it to make it look nice.
2247       * 
2248       * @param  string The code already parsed
2249       * @return string The code nicely finalised
2250       * @since  1.0.0
2251       * @access private
2252       */
2253  	function finalise ($parsed_code)
2254      {
2255          // Remove end parts of important declarations
2256          // This is BUGGY!! My fault for bad code: fix coming in 1.2
2257          // @todo Remove this crap
2258          if ($this->enable_important_blocks &&
2259              (strstr($parsed_code, @htmlspecialchars(GESHI_START_IMPORTANT, ENT_COMPAT, $this->encoding)) === false)) {
2260              $parsed_code = str_replace(@htmlspecialchars(GESHI_END_IMPORTANT, ENT_COMPAT, $this->encoding), '', $parsed_code);
2261          }
2262          
2263          // Add HTML whitespace stuff if we're using the <div> header
2264          if ($this->header_type != GESHI_HEADER_PRE) {
2265              $parsed_code = $this->indent($parsed_code);
2266          }
2267          
2268          // purge some unnecessary stuff
2269          $parsed_code = preg_replace('#<span[^>]+>(\s*)</span>#', '\\1', $parsed_code);
2270          $parsed_code = preg_replace('#<div[^>]+>(\s*)</div>#', '\\1', $parsed_code);
2271  
2272          // If we are using IDs for line numbers, there needs to be an overall
2273          // ID set to prevent collisions.
2274          if ($this->add_ids && !$this->overall_id) {
2275              $this->overall_id = 'geshi-' . substr(md5(microtime()), 0, 4);
2276          }
2277          
2278          // If we're using line numbers, we insert <li>s and appropriate
2279          // markup to style them (otherwise we don't need to do anything)
2280          if ($this->line_numbers != GESHI_NO_LINE_NUMBERS) {
2281              // If we're using the <pre> header, we shouldn't add newlines because
2282              // the <pre> will line-break them (and the <li>s already do this for us)
2283              $ls = ($this->header_type != GESHI_HEADER_PRE) ? "\n" : '';
2284              // Get code into lines
2285              $code = explode("\n", $parsed_code);
2286              // Set vars to defaults for following loop
2287              $parsed_code = '';
2288              $i = 0;
2289              $attrs = array();
2290                          
2291              // Foreach line...
2292              foreach ($code as $line) {//echo "LINE:|".htmlspecialchars($line)."| ".strlen($line)."<br />\n";
2293                  if ('' == $line || ' ' == $line) {
2294                      $line = '&nbsp;';
2295                  }
2296                  // If this is a "special line"...
2297                  if ($this->line_numbers == GESHI_FANCY_LINE_NUMBERS &&
2298                      $i % $this->line_nth_row == ($this->line_nth_row - 1)) {
2299                      // Set the attributes to style the line
2300                      if ($this->use_classes) {
2301                          //$attr = ' class="li2"';
2302                          $attrs['class'][] = 'li2';
2303                          $def_attr = ' class="de2"';
2304                      } else {
2305                          //$attr = ' style="' . $this->line_style2 . '"';
2306                          $attrs['style'][] = $this->line_style2;
2307                          // This style "covers up" the special styles set for special lines
2308                          // so that styles applied to special lines don't apply to the actual
2309                          // code on that line
2310                          $def_attr = ' style="' . $this->code_style . '"';
2311                      }
2312                      // Span or div?
2313                      $start = "<div$def_attr>";
2314                      $end = '</div>';
2315                  } else {
2316                      if ($this->use_classes) {
2317                          //$attr = ' class="li1"';
2318                          $attrs['class'][] = 'li1';
2319                          $def_attr = ' class="de1"';
2320                      } else {
2321                          //$attr = ' style="' . $this->line_style1 . '"';
2322                          $attrs['style'][] = $this->line_style1;
2323                          $def_attr = ' style="' . $this->code_style . '"';
2324                      }
2325                      $start = "<div$def_attr>";
2326                      $end = '</div>';
2327                  }
2328          
2329                  ++$i;
2330                  // Are we supposed to use ids? If so, add them
2331                  if ($this->add_ids) {
2332                      $attrs['id'][] = "$this->overall_id-$i";
2333                  }
2334                  if ($this->use_classes && in_array($i, $this->highlight_extra_lines)) {
2335                      $attrs['class'][] = 'ln-xtra';
2336                  }
2337                  if (!$this->use_classes && in_array($i, $this->highlight_extra_lines)) {
2338                      $attrs['style'][] = $this->highlight_extra_lines_style;
2339                  }
2340  
2341                  // Add in the line surrounded by appropriate list HTML
2342                  $attr_string = ' ';
2343                  foreach ($attrs as $key => $attr) {
2344                      $attr_string .= $key . '="' . implode(' ', $attr) . '" ';
2345                  }
2346                  $attr_string = substr($attr_string, 0, -1);
2347                  $parsed_code .= "<li$attr_string>$start$line$end</li>$ls";
2348                  $attrs = array();
2349              }
2350          } else {
2351              // No line numbers, but still need to handle highlighting lines extra.
2352              // Have to use divs so the full width of the code is highlighted
2353              $code = explode("\n", $parsed_code);
2354              $parsed_code = '';
2355              $i = 0;
2356              foreach ($code as $line) {
2357                  // Make lines have at least one space in them if they're empty
2358                  if ('' == $line || ' ' == $line) {
2359                      $line = '&nbsp;';
2360                  }
2361                  if (in_array(++$i, $this->highlight_extra_lines)) {
2362                      if ($this->use_classes) {
2363                          $parsed_code .= '<div class="ln-xtra">';
2364                      } else {
2365                          $parsed_code .= "<div style=\"{$this->highlight_extra_lines_style}\">";
2366                      }
2367                      // Remove \n because it stuffs up <pre> header
2368                      $parsed_code .= $line . "</div>";
2369                  } else {
2370                      $parsed_code .= $line . "\n";
2371                  }
2372              }
2373          }
2374                  
2375          if ($this->header_type == GESHI_HEADER_PRE) {
2376              // enforce line numbers when using pre
2377              $parsed_code = str_replace('<li></li>', '<li>&nbsp;</li>', $parsed_code);
2378          }
2379          
2380          return $this->header() . chop($parsed_code) . $this->footer();
2381      }
2382  
2383      /**
2384       * Creates the header for the code block (with correct attributes)
2385       * 
2386       * @return string The header for the code block
2387       * @since  1.0.0
2388       * @access private
2389       */
2390  	function header ()
2391      {
2392          // Get attributes needed
2393          $attributes = $this->get_attributes();
2394  
2395          $ol_attributes = '';
2396  
2397          if ($this->line_numbers_start != 1) {
2398              $ol_attributes .= ' start="' . $this->line_numbers_start . '"';
2399          }
2400  
2401          // Get the header HTML
2402          $header = $this->format_header_content();
2403  
2404          if (GESHI_HEADER_NONE == $this->header_type) {
2405              if ($this->line_numbers != GESHI_NO_LINE_NUMBERS) {
2406                  return "$header<ol$ol_attributes>";
2407              }
2408              return $header;
2409          }
2410          
2411          // Work out what to return and do it
2412          if ($this->line_numbers != GESHI_NO_LINE_NUMBERS) {
2413              if ($this->header_type == GESHI_HEADER_PRE) {
2414                  return "<pre$attributes>$header<ol$ol_attributes>";
2415              } elseif ($this->header_type == GESHI_HEADER_DIV) {
2416                  return "<div$attributes>$header<ol$ol_attributes>";
2417              }
2418          } else {
2419              if ($this->header_type == GESHI_HEADER_PRE) {
2420                  return "<pre$attributes>$header";
2421              } elseif ($this->header_type == GESHI_HEADER_DIV) {
2422                  return "<div$attributes>$header";
2423              }
2424          }
2425      }
2426  
2427      /**
2428       * Returns the header content, formatted for output
2429       * 
2430       * @return string The header content, formatted for output
2431       * @since  1.0.2
2432       * @access private
2433       */
2434  	function format_header_content ()
2435      {
2436          $header = $this->header_content;
2437          if ($header) {
2438              if ($this->header_type == GESHI_HEADER_PRE) {
2439                  $header = str_replace("\n", '', $header);
2440              }
2441              $header = $this->replace_keywords($header);
2442  
2443              if ($this->use_classes) {
2444                  $attr = ' class="head"';
2445              } else {
2446                  $attr = " style=\"{$this->header_content_style}\"";
2447              }
2448              return "<div$attr>$header</div>";
2449          }
2450      }
2451  
2452      /**
2453       * Returns the footer for the code block.
2454       * 
2455       * @return string The footer for the code block
2456       * @since  1.0.0
2457       * @access private
2458       */
2459  	function footer ()
2460      {
2461          $footer_content = $this->format_footer_content();
2462  
2463          if (GESHI_HEADER_NONE == $this->header_type) {
2464              return ($this->line_numbers != GESHI_NO_LINE_NUMBERS) ? '</ol>' . $footer_content
2465                  : $footer_content;
2466          }
2467          
2468          if ($this->header_type == GESHI_HEADER_DIV) {
2469              if ($this->line_numbers != GESHI_NO_LINE_NUMBERS) {
2470                  return "</ol>$footer_content</div>";
2471              }
2472              return "$footer_content</div>";
2473          } else {
2474              if ($this->line_numbers != GESHI_NO_LINE_NUMBERS) {
2475                  return "</ol>$footer_content</pre>";
2476              }
2477              return "$footer_content</pre>";
2478          }
2479      }
2480  
2481      /**
2482       * Returns the footer content, formatted for output
2483       * 
2484       * @return string The footer content, formatted for output
2485       * @since  1.0.2
2486       * @access private
2487       */
2488  	function format_footer_content ()
2489      {
2490          $footer = $this->footer_content;
2491          if ($footer) {
2492              if ($this->header_type == GESHI_HEADER_PRE) {
2493                  $footer = str_replace("\n", '', $footer);;
2494              }
2495              $footer = $this->replace_keywords($footer);
2496  
2497              if ($this->use_classes) {
2498                  $attr = ' class="foot"';
2499              } else {
2500                  $attr = " style=\"{$this->footer_content_style}\"";
2501              }
2502              return "<div$attr>$footer</div>";
2503          }
2504      }
2505  
2506      /**
2507       * Replaces certain keywords in the header and footer with
2508       * certain configuration values
2509       * 
2510       * @param  string The header or footer content to do replacement on
2511       * @return string The header or footer with replaced keywords
2512       * @since  1.0.2
2513       * @access private
2514       */
2515  	function replace_keywords ($instr)
2516      {
2517          $keywords = $replacements = array();
2518  
2519          $keywords[] = '<TIME>';
2520          $replacements[] = number_format($this->get_time(), 3);
2521  
2522          $keywords[] = '<LANGUAGE>';
2523          $replacements[] = $this->language;
2524  
2525          $keywords[] = '<VERSION>';
2526          $replacements[] = GESHI_VERSION;
2527  
2528          return str_replace($keywords, $replacements, $instr);
2529      }
2530  
2531      /**
2532       * Gets the CSS attributes for this code
2533       * 
2534       * @return The CSS attributes for this code
2535       * @since  1.0.0
2536       * @access private
2537       * @todo   Document behaviour change - class is outputted regardless of whether we're using classes or not.
2538       *         Same with style
2539       */
2540  	function get_attributes ()
2541      {
2542          $attributes = '';
2543  
2544          if ($this->overall_class != '') {
2545              $attributes .= " class=\"{$this->overall_class}\"";
2546          }
2547          if ($this->overall_id != '') {
2548              $attributes .= " id=\"{$this->overall_id}\"";
2549          }
2550          if ($this->overall_style != '') {
2551              $attributes .= ' style="' . $this->overall_style . '"';
2552          }
2553          return $attributes;
2554      }
2555  
2556      /**
2557       * Returns a stylesheet for the highlighted code. If $economy mode
2558       * is true, we only return the stylesheet declarations that matter for
2559       * this code block instead of the whole thing
2560       *
2561       * @param  boolean Whether to use economy mode or not 
2562       * @return string A stylesheet built on the data for the current language
2563       * @since  1.0.0
2564       */
2565  	function get_stylesheet ($economy_mode = true)
2566      {
2567          // If there's an error, chances are that the language file
2568          // won't have populated the language data file, so we can't
2569          // risk getting a stylesheet...
2570          if ($this->error) {
2571              return '';
2572          }
2573          // First, work out what the selector should be. If there's an ID,
2574          // that should be used, the same for a class. Otherwise, a selector
2575          // of '' means that these styles will be applied anywhere
2576          $selector = ($this->overall_id != '') ? "#{$this->overall_id} " : '';
2577          $selector = ($selector == '' && $this->overall_class != '') ? ".{$this->overall_class} " : $selector;
2578  
2579          // Header of the stylesheet
2580          if (!$economy_mode) {
2581              $stylesheet = "/**\n * GeSHi Dynamically Generated Stylesheet\n * --------------------------------------\n * Dynamically generated stylesheet for {$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";
2582           } else {
2583              $stylesheet = '/* GeSHi (c) Nigel McNie 2004 (http://qbnz.com/highlighter) */' . "\n";
2584          }
2585  
2586          // Set the <ol> to have no effect at all if there are line numbers
2587          // (<ol>s have margins that should be destroyed so all layout is
2588          // controlled by the set_overall_style method, which works on the
2589          // <pre> or <div> container). Additionally, set default styles for lines
2590          if (!$economy_mode || $this->line_numbers != GESHI_NO_LINE_NUMBERS) {
2591              //$stylesheet .= "$selector, {$selector}ol, {$selector}ol li {margin: 0;}\n";
2592              $stylesheet .= "$selector.de1, $selector.de2 {{$this->code_style}}\n";
2593          }
2594  
2595          // Add overall styles
2596          if (!$economy_mode || $this->overall_style != '') {
2597              $stylesheet .= "$selector {{$this->overall_style}}\n";
2598          }
2599  
2600          // Add styles for links
2601          foreach ($this->link_styles as $key => $style) {
2602              if (!$economy_mode || $key == GESHI_LINK && $style != '') {
2603                  $stylesheet .= "{$selector}a:link {{$style}}\n";
2604              }
2605              if (!$economy_mode || $key == GESHI_HOVER && $style != '') {
2606                  $stylesheet .= "{$selector}a:hover {{$style}}\n";
2607              }
2608              if (!$economy_mode || $key == GESHI_ACTIVE && $style != '') {
2609                  $stylesheet .= "{$selector}a:active {{$style}}\n";
2610              }
2611              if (!$economy_mode || $key == GESHI_VISITED && $style != '') {
2612                  $stylesheet .= "{$selector}a:visited {{$style}}\n";
2613              }
2614          }
2615  
2616          // Header and footer
2617          if (!$economy_mode || $this->header_content_style != '') {
2618              $stylesheet .= "$selector.head {{$this->header_content_style}}\n";
2619          }
2620          if (!$economy_mode || $this->footer_content_style != '') {
2621              $stylesheet .= "$selector.foot {{$this->footer_content_style}}\n";
2622          }
2623  
2624          // Styles for important stuff
2625          if (!$economy_mode || $this->important_styles != '') {
2626              $stylesheet .= "$selector.imp {{$this->important_styles}}\n";
2627          }
2628  
2629          // Styles for lines being highlighted extra
2630          if (!$economy_mode || count($this->highlight_extra_lines)) {
2631              $stylesheet .= "$selector.ln-xtra {{$this->highlight_extra_lines_style}}\n";
2632          }
2633  
2634          // Simple line number styles
2635          if (!$economy_mode || ($this->line_numbers != GESHI_NO_LINE_NUMBERS && $this->line_style1 != '')) {
2636              $stylesheet .= "{$selector}li {{$this->line_style1}}\n";
2637          }
2638  
2639          // If there is a style set for fancy line numbers, echo it out
2640          if (!$economy_mode || ($this->line_numbers == GESHI_FANCY_LINE_NUMBERS && $this->line_style2 != '')) {
2641              $stylesheet .= "{$selector}li.li2 {{$this->line_style2}}\n";
2642          }
2643  
2644          foreach ($this->language_data['STYLES']['KEYWORDS'] as $group => $styles) {
2645              if (!$economy_mode || !($economy_mode && (!$this->lexic_permissions['KEYWORDS'][$group] || $styles == ''))) {
2646                  $stylesheet .= "$selector.kw$group {{$styles}}\n";
2647              }
2648          }
2649          foreach ($this->language_data['STYLES']['COMMENTS'] as $group => $styles) {
2650              if (!$economy_mode || !($economy_mode && $styles == '') &&
2651                  !($economy_mode && !$this->lexic_permissions['COMMENTS'][$group])) {
2652                  $stylesheet .= "$selector.co$group {{$styles}}\n";
2653              }
2654          }
2655          foreach ($this->language_data['STYLES']['ESCAPE_CHAR'] as $group => $styles) {
2656              if (!$economy_mode || !($economy_mode && $styles == '') && !($economy_mode &&
2657                  !$this->lexic_permissions['ESCAPE_CHAR'])) {
2658                  $stylesheet .= "$selector.es$group {{$styles}}\n";
2659              }
2660          }
2661          foreach ($this->language_data['STYLES']['SYMBOLS'] as $group => $styles) {
2662              if (!$economy_mode || !($economy_mode && $styles == '') && !($economy_mode &&
2663                  !$this->lexic_permissions['BRACKETS'])) {
2664                  $stylesheet .= "$selector.br$group {{$styles}}\n";
2665              }
2666          }
2667          foreach ($this->language_data['STYLES']['STRINGS'] as $group => $styles) {
2668              if (!$economy_mode || !($economy_mode && $styles == '') && !($economy_mode &&
2669                  !$this->lexic_permissions['STRINGS'])) {
2670                  $stylesheet .= "$selector.st$group {{$styles}}\n";
2671              }
2672          }
2673          foreach ($this->language_data['STYLES']['NUMBERS'] as $group => $styles) {
2674              if (!$economy_mode || !($economy_mode && $styles == '') && !($economy_mode &&
2675                  !$this->lexic_permissions['NUMBERS'])) {
2676                  $stylesheet .= "$selector.nu$group {{$styles}}\n";
2677              }
2678          }
2679          foreach ($this->language_data['STYLES']['METHODS'] as $group => $styles) {
2680              if (!$economy_mode || !($economy_mode && $styles == '') && !($economy_mode &&
2681                  !$this->lexic_permissions['METHODS'])) {
2682                  $stylesheet .= "$selector.me$group {{$styles}}\n";
2683              }
2684          }
2685          foreach ($this->language_data['STYLES']['SCRIPT'] as $group => $styles) {
2686              if (!$economy_mode || !($economy_mode && $styles == '')) {
2687                  $stylesheet .= "$selector.sc$group {{$styles}}\n";
2688              }
2689          }
2690          foreach ($this->language_data['STYLES']['REGEXPS'] as $group => $styles) {
2691              if (!$economy_mode || !($economy_mode && $styles == '') && !($economy_mode &&
2692                  !$this->lexic_permissions['REGEXPS'][$group])) {
2693                  if (is_array($this->language_data['REGEXPS'][$group]) &&
2694                           array_key_exists(GESHI_CLASS,
2695                                      $this->language_data['REGEXPS'][$group])) {
2696                      $stylesheet .= "$selector.";
2697                      $stylesheet .= $this->language_data['REGEXPS'][$group][GESHI_CLASS];
2698                      $stylesheet .= " {{$styles}}\n";
2699                  } else {
2700                      $stylesheet .= "$selector.re$group {{$styles}}\n";
2701                  }
2702              }
2703          }
2704  
2705          return $stylesheet;
2706      }
2707  
2708  } // End Class GeSHi
2709  
2710  
2711  if (!function_exists('geshi_highlight')) {
2712      /**
2713       * Easy way to highlight stuff. Behaves just like highlight_string
2714       * 
2715       * @param string The code to highlight
2716       * @param string The language to highlight the code in
2717       * @param string The path to the language files. You can leave this blank if you need
2718       *               as from version 1.0.7 the path should be automatically detected
2719       * @param boolean Whether to return the result or to echo
2720       * @return string The code highlighted (if $return is true)
2721       * @since 1.0.2
2722       */
2723  	function geshi_highlight ($string, $language, $path = null, $return = false)
2724      {
2725          $geshi = new GeSHi($string, $language, $path);
2726          $geshi->set_header_type(GESHI_HEADER_NONE);
2727          if ($return) {
2728              return '<code>' . $geshi->parse_code() . '</code>';
2729          }
2730          echo '<code>' . $geshi->parse_code() . '</code>';
2731          if ($geshi->error()) {
2732              return false;
2733          }
2734          return true;
2735      }
2736  }
2737  
2738  ?>


Généré le : Tue Apr 3 20:47:31 2007 par Balluche grâce à PHPXref 0.7