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 * Distributed under the BSD license:
 *
 * Copyright (c) 2010, Ajax.org B.V.
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
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 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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define(function(require, exports, module) {
  "use strict";

  var oop = require("../lib/oop");
  var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;

  var AqlHighlightRules = function() {

      var keywords = (
          "for|search|outbound|inbound|any|graph|prune|options|shortest_path|to|in|return|filter|sort|limit|let|collect|remove|update|replace|insers|upsert|with"
      );

      var builtinConstants = (
          "true|false"
      );

      var builtinFunctions = (
          "append|contains_array|count|count_distinct|count_unique|first|flatten|intersection|last|length|minus|nth|outersection|pop|position|push|remove_nth|remove_value|remove_values|reverse|shift|slice|sorted|sorted_unique|union|union_distinct|unique|unshift|" +
          "date_now|date_iso8601|date_timestamp|is_datestring|date_dayofweek|date_year|date_month|date_day|date_hour|date_minute|date_second|date_millisecond|date_dayofyear|date_isoweek|date_leapyear|date_quarter|date_days_in_month|date_trunc|date_format|date_add|date_subtract|date_diff|date_compare|" +
          "attributes|count|has|is_same_collection|keep|length|matches|merge|merge_recursive|parse_identifier|translate|unset|unset_recursive|values|zip|" +
          "fulltext|" +
          "distance|geo_contains|geo_distance|geo_equals|geo_intersects|is_in_polygon|" +
          "not_null|first_list|first_document|check_document|collection_count|collections|count|current_user|document|length|hash|apply|assert|/ warn|call|fail|noopt|passthru|sleep|v8|version|" +
          "abs|acos|asin|atan|atan2|average|avg|ceil|cos|degrees|exp|exp2|floor|log|log2|log10|max|median|min|percentile|pi|pow|radians|rand|range|round|sin|sqrt|stddev_population|stddev_sample|stddev|sum|tan|variance_population|variance_sample|variance|" +
          "char_length|concat|concat_separator|contains|count|encode_uri_component|find_first|find_last|json_parse|json_stringify|left|length|levenshtein_distance|like|lower|ltrim|md5|random_token|regex_matches|regex_split|regex_test|regex_replace|reverse|right|rtrim|sha1|sha512|split|soundex|substitute|substring|tokens|to_base64|to_hex|trim|upper|uuid|" +
          "to_bool|to_number|to_string|to_array|to_list|is_null|is_bool|is_number|is_string|is_array|is_list|is_object|is_document|is_datestring|is_key|typename|"
      );

      var keywordMapper = this.createKeywordMapper({
          "support.function": builtinFunctions,
          "keyword": keywords,
          "constant.language": builtinConstants
      }, "identifier", true);

      this.$rules = {
          "start" : [ {
              token : "comment",
              regex : "//.*$"
          }, {
              token : "string",           // " string
              regex : '".*?"'
          }, {
              token : "string",           // ' string
              regex : "'.*?'"
          }, {
              token : "constant.numeric", // float
              regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
          }, {
              token : keywordMapper,
              regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
          }, {
              token : "keyword.operator",
              regex : "\\+|\\-|\\/|\\/\\/|%|<@>|@>|<@|&|\\^|~|<|>|<=|=>|==|!=|<>|="
          }, {
              token : "paren.lparen",
              regex : "[\\(]"
          }, {
              token : "paren.rparen",
              regex : "[\\)]"
          }, {
              token : "text",
              regex : "\\s+"
          } ]
      };
      this.normalizeRules();
  };

  oop.inherits(AqlHighlightRules, TextHighlightRules);

  exports.AqlHighlightRules = AqlHighlightRules;
  });