/* ***** BEGIN LICENSE BLOCK *****
 * 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 THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * ***** END LICENSE BLOCK ***** */

define(function(require, exports, module) {
"use strict";

function string(state) {
    return [{
        token : "string",
        regex : '".*?"'
    }, {
        token : "string", // multi line string start
        merge : true,
        regex : '["].*',
        next : state + "_qqstring"
    }, {
        token : "string",
        regex : "'.*?'"
    }, {
        token : "string", // multi line string start
        merge : true,
        regex : "['].*",
        next : state + "_qstring"
    }];
}

function multiLineString(quote, state) {
    return [{
        token : "string",
        merge : true,
        regex : ".*?" + quote,
        next : state
    }, {
        token : "string",
        merge : true,
        regex : '.+'
    }];
}

exports.tag = function(states, name, nextState, tagMap) {
    states[name] = [{
        token : "text",
        regex : "\\s+"
    }, {
        //token : "meta.tag",
        
    token : !tagMap ? "meta.tag.tag-name" : function(value) {
            if (tagMap[value])
                return "meta.tag.tag-name." + tagMap[value];
            else
                return "meta.tag.tag-name";
        },
        merge : true,
        regex : "[-_a-zA-Z0-9:]+",
        next : name + "_embed_attribute_list" 
    }, {
        token: "empty",
        regex: "",
        next : name + "_embed_attribute_list"
    }];

    states[name + "_qstring"] = multiLineString("'", name + "_embed_attribute_list");
    states[name + "_qqstring"] = multiLineString("\"", name + "_embed_attribute_list");
    
    states[name + "_embed_attribute_list"] = [{
        token : "meta.tag",
        merge : true,
        regex : "\/?>",
        next : nextState
    }, {
        token : "keyword.operator",
        regex : "="
    }, {
        token : "entity.other.attribute-name",
        regex : "[-_a-zA-Z0-9:]+"
    }, {
        token : "constant.numeric", // float
        regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
    }, {
        token : "text",
        regex : "\\s+"
    }].concat(string(name));
};

});