/*
 * r.js
 *
 * Copyright (C) 2009-11 by RStudio, Inc.
 *
 * The Initial Developer of the Original Code is
 * Ajax.org B.V.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Distributed under the BSD license:
 *
 * Copyright (c) 2010, Ajax.org B.V.
 * All rights reserved.
 *
 * 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.
 *     * Neither the name of Ajax.org B.V. nor the
 *       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
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *
 */
define(function (require, exports, module) {
    "use strict";

    var Range = require("../range").Range;
    var oop = require("../lib/oop");
    var TextMode = require("./text").Mode;
    var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
    var RHighlightRules = require("./r_highlight_rules").RHighlightRules;
    var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;

    var Mode = function () {
        this.HighlightRules = RHighlightRules;
        this.$outdent = new MatchingBraceOutdent();
        this.$behaviour = this.$defaultBehaviour;
    };
    oop.inherits(Mode, TextMode);

    (function () {
        this.lineCommentStart = "#";
        // todo import codeModel from RStudio
        /*this.tokenRe = new RegExp("^["
         + unicode.packages.L
         + unicode.packages.Mn + unicode.packages.Mc
         + unicode.packages.Nd
         + unicode.packages.Pc + "._]+", "g"
         );

         this.nonTokenRe = new RegExp("^(?:[^"
         + unicode.packages.L
         + unicode.packages.Mn + unicode.packages.Mc
         + unicode.packages.Nd
         + unicode.packages.Pc + "._]|\s])+", "g"
         );

         this.$complements = {
         "(": ")",
         "[": "]",
         '"': '"',
         "'": "'",
         "{": "}"
         };
         this.$reOpen = /^[(["'{]$/;
         this.$reClose = /^[)\]"'}]$/;

         this.getNextLineIndent = function(state, line, tab, tabSize, row)
         {
         return this.codeModel.getNextLineIndent(row, line, state, tab, tabSize);
         };

         this.allowAutoInsert = this.smartAllowAutoInsert;

         this.checkOutdent = function(state, line, input) {
         if (! /^\s+$/.test(line))
         return false;

         return /^\s*[\{\}\)]/.test(input);
         };

         this.getIndentForOpenBrace = function(openBracePos)
         {
         return this.codeModel.getIndentForOpenBrace(openBracePos);
         };

         this.autoOutdent = function(state, doc, row) {
         if (row == 0)
         return 0;

         var line = doc.getLine(row);

         var match = line.match(/^(\s*[\}\)])/);
         if (match)
         {
         var column = match[1].length;
         var openBracePos = doc.findMatchingBracket({row: row, column: column});

         if (!openBracePos || openBracePos.row == row) return 0;

         var indent = this.codeModel.getIndentForOpenBrace(openBracePos);
         doc.replace(new Range(row, 0, row, column-1), indent);
         }

         match = line.match(/^(\s*\{)/);
         if (match)
         {
         var column = match[1].length;
         var indent = this.codeModel.getBraceIndent(row-1);
         doc.replace(new Range(row, 0, row, column-1), indent);
         }
         };

         this.$getIndent = function(line) {
         var match = line.match(/^(\s+)/);
         if (match) {
         return match[1];
         }

         return "";
         };

         this.transformAction = function(state, action, editor, session, text) {
         if (action === 'insertion' && text === "\n") {

         // If newline in a doxygen comment, continue the comment
         var pos = editor.getSelectionRange().start;
         var match = /^((\s*#+')\s*)/.exec(session.doc.getLine(pos.row));
         if (match && editor.getSelectionRange().start.column >= match[2].length) {
         return {text: "\n" + match[1]};
         }
         }
         return false;
         };*/
        this.$id = "ace/mode/r";
    }).call(Mode.prototype);
    exports.Mode = Mode;
});
