/**
 * @fileoverview
 * Registers a language handler for Wiki pages.
 *
 * Based on WikiSyntax at http://code.google.com/p/support/wiki/WikiSyntax
 *
 * @author mikesamuel@gmail.com
 */

PR.registerLangHandler(
    PR.createSimpleLexer(
        [
         // Whitespace
         [PR.PR_PLAIN,       /^[\t \xA0a-gi-z0-9]+/, null,
          '\t \xA0abcdefgijklmnopqrstuvwxyz0123456789'],
         // Wiki formatting
         [PR.PR_PUNCTUATION, /^[=*~\^\[\]]+/, null, '=*~^[]']
        ],
        [
         // Meta-info like #summary, #labels, etc.
         ['lang-wiki.meta',  /(?:^^|\r\n?|\n)(#[a-z]+)\b/],
         // A WikiWord
         [PR.PR_LITERAL,     /^(?:[A-Z][a-z][a-z0-9]+[A-Z][a-z][a-zA-Z0-9]+)\b/
          ],
         // A preformatted block in an unknown language
         ['lang-',           /^\{\{\{([\s\S]+?)\}\}\}/],
         // A block of source code in an unknown language
         ['lang-',           /^`([^\r\n`]+)`/],
         // An inline URL.
         [PR.PR_STRING,
          /^https?:\/\/[^\/?#\s]*(?:\/[^?#\s]*)?(?:\?[^#\s]*)?(?:#\S*)?/i],
         [PR.PR_PLAIN,       /^(?:\r\n|[\s\S])[^#=*~^A-Zh\{`\[\r\n]*/]
        ]),
    ['wiki']);

PR.registerLangHandler(
    PR.createSimpleLexer([[PR.PR_KEYWORD, /^#[a-z]+/i, null, '#']], []),
    ['wiki.meta']);