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   1  <?php
   2  /*************************************************************************************
   3   * yaml.php
   4   * --------
   5   * Author: Josh Ventura (JoshV10@gmail.com)
   6   * Copyright: (c) 2010 Josh Ventura
   7   * Release Version: 1.0.9.1
   8   * Date Started: 2010/12/14
   9   *
  10   * YAML language file for GeSHi.
  11   *
  12   * YAML gets hairy sometimes. If anything needs fixed, drop me an email and
  13   *      I'll probably spit up on it. This is, in general, not a long format.
  14   *
  15   * CHANGES
  16   * ---------
  17   * 2010/12/14
  18   *  - Started project in rage over GML support but not YAML support. WTFH?
  19   * 2010/12/15
  20   *  - Submitted to Ben.
  21   *
  22   * TODO (not updated since release)
  23   * ----------------------------------
  24   *  -  Field testing and necessary corrections: this grammar file is usable, but not
  25   *     completely accurate. There are, in fact, multiple cases in which it will mess
  26   *     up, and some of it may need moved around. It is the most temperamental parser
  27   *     I have ever associated my name with. Points of interest follow:
  28   *   *  Improvised support for | and >: since PHP offers no variable-width lookbehind,
  29   *      these blocks will still be highlighted even when commented out. As it happens,
  30   *      any line ending with | or > could result in the unintentional highlighting of
  31   *      all remaining lines in the file, just because I couldn't check for this regex
  32   *      as a lookbehind:  '/:(\s+)(!!(\w+)(\s+))?/'
  33   *      If there is a workaround for that, it needs implemented.
  34   *   *  I may be missing some operators. I deliberately omitted inline array notation
  35   *      as, in general, it's ugly and tends to conflict with plain-text. Ensuring all
  36   *      highlighted list delimiters are not plain text would be as simple as checking
  37   *      that they follow a colon directly. Alas, without variable-length lookbehinds,
  38   *      if there is a way to do so in GeSHi I am unaware of it.
  39   *   *  I kind of whored the comment regexp array. It seemed like a safe bet, so it's
  40   *      where I crammed everything. Some of it may need moved elsewhere for neatness.
  41   *   *  The !!typename highlight needs not to interfere with ": |" and ": >": Pairing
  42   *      key: !!type | value is perfectly legal, but again due to lookbehind issues, I
  43   *      can't add a case for that. Also, it is likely that multiple spaces can be put
  44   *      between the colon and pipe symbol, which would also break it.
  45   *
  46   *************************************************************************************
  47   *
  48   *     This file is part of GeSHi.
  49   *
  50   *   GeSHi is free software; you can redistribute it and/or modify it
  51   *   under the terms of the GNU General Public License as published by
  52   *   the Free Software Foundation; either version 2 of the License, or
  53   *   (at your option) any later version.
  54   *
  55   *   GeSHi is distributed in the hope that it will be useful,
  56   *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  57   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  58   *   GNU General Public License for more details.
  59   *
  60   *   You should have received a copy of the GNU General Public License
  61   *   along with GeSHi; if not, write to the Free Software
  62   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  63   *
  64   ************************************************************************************/
  65  
  66  $language_data = array (
  67      'LANG_NAME' => 'YAML',
  68      'COMMENT_SINGLE' => array(),
  69      'COMMENT_MULTI' => array(),
  70      //Keys
  71      'COMMENT_REGEXP' => array( // ENTRY ZERO  SHOULD CHECK FOR (\n(\s*)([^#%]+?):(\s+)(!!(\w+)(\s+))?) AS A LOOKBEHIND, BUT IT CAN'T.
  72          0 => '/(?<=\s[\|>]\n)(\s+)(.*)((?=[\n$])(([\n^](\1(.*)|(?=[\n$])))*)|$)/', // Pipe blocks and > blocks.
  73          1 => '/#(.*)/', // Blue # comments
  74          2 => '/%(.*)/', // Red % comments
  75          3 => '/(^|\n)([^#%^\n]+?)(?=: )/',  // Key-value names
  76          4 => '/(^|\n)([^#%^\n]+?)(?=:\n)/',// Key-group names
  77          5 => '/(?<=^---)(\s*)!(\S+)/',    // Comments after ---
  78          6 => '/(?<=: )(\s*)\&(\S+)/',    // References
  79          7 => '/(?<=: )(\s*)\*(\S+)/',   // Dereferences
  80          8 => '/!!(\w+)/',              // Types
  81          //9 => '/(?<=\n)(\s*)-(?!-)/',       // List items: This needs to search within comments 3 and 4, but I don't know how.
  82          ),
  83      'CASE_KEYWORDS' => GESHI_CAPS_NO_CHANGE,
  84      'QUOTEMARKS' => array('"'),
  85      'ESCAPE_CHAR' => '',
  86      'NUMBERS' => array(),
  87      'KEYWORDS' => array(
  88          1 => array(
  89              'all','any','none', "yes", "no"
  90              ),
  91          ),
  92      'SYMBOLS' => array(
  93          1 => array('---', '...'),
  94          2 => array(': ', ">\n", "|\n", '<<:', ":\n") // It'd be nice if I could specify that the colon must
  95          //                                              follow comment 3 or 4 to be considered, and the > and |
  96          //                                              must follow such a colon.
  97          ),
  98      'CASE_SENSITIVE' => array(
  99          GESHI_COMMENTS => false,
 100          1 => false,
 101          ),
 102      'STYLES' => array(
 103          'KEYWORDS' => array(
 104              1 => 'font-weight: bold;'
 105              ),
 106          'COMMENTS' => array(
 107              0 => 'color: #303050;background-color: #F5F5F5',
 108              1 => 'color: blue;',
 109              2 => 'font-weight: bold; color: red;',
 110              3 => 'color: green;',
 111              4 => 'color: #007F45;',
 112              5 => 'color: #7f7fFF;',
 113              6 => 'color: #FF7000;',
 114              7 => 'color: #FF45C0;',
 115              8 => 'font-weight: bold; color: #005F5F;',
 116              //9 => 'font-weight: bold; color: #000000;',
 117              ),
 118          'ESCAPE_CHAR' => array(
 119              ),
 120          'BRACKETS' => array(
 121              ),
 122          'STRINGS' => array(
 123              0 => 'color: #CF00CF;'
 124              ),
 125          'NUMBERS' => array(
 126              // 0 => 'color: #33f;' // Don't highlight numbers, really...
 127              ),
 128          'METHODS' => array(
 129              1 => '',
 130              2 => ''
 131              ),
 132          'SYMBOLS' => array(
 133              1 => 'color: cyan;',
 134              2 => 'font-weight: bold; color: brown;'
 135              ),
 136          'REGEXPS' => array(
 137              ),
 138          'SCRIPT' => array(
 139              0 => ''
 140              )
 141          ),
 142      'URLS' => array(1 => ''),
 143      'OOLANG' => false,
 144      'OBJECT_SPLITTERS' => array(),
 145      'REGEXPS' => array(),
 146      'STRICT_MODE_APPLIES' => GESHI_NEVER,
 147      'SCRIPT_DELIMITERS' => array(),
 148      'HIGHLIGHT_STRICT_BLOCK' => array()
 149  );