/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Ajax.org Code Editor (ACE).
 *
 * 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.
 *
 * Contributor(s):
 *      Fabian Jakobs <fabian AT ajax DOT org>
 *      Shlomo Zalman Heigh <shlomozalmanheigh AT gmail DOT com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

ace.define('ace/mode/ruby', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/text', 'ace/tokenizer', 'ace/mode/ruby_highlight_rules', 'ace/mode/matching_brace_outdent', 'ace/range'], function(require, exports, module) {


var oop = require("../lib/oop");
var TextMode = require("./text").Mode;
var Tokenizer = require("../tokenizer").Tokenizer;
var RubyHighlightRules = require("./ruby_highlight_rules").RubyHighlightRules;
var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;
var Range = require("../range").Range;

var Mode = function() {
    this.$tokenizer = new Tokenizer(new RubyHighlightRules().getRules());
    this.$outdent = new MatchingBraceOutdent();
};
oop.inherits(Mode, TextMode);

(function() {

    this.toggleCommentLines = function(state, doc, startRow, endRow) {
        var outdent = true;
        var re = /^(\s*)#/;

        for (var i=startRow; i<= endRow; i++) {
            if (!re.test(doc.getLine(i))) {
                outdent = false;
                break;
            }
        }

        if (outdent) {
            var deleteRange = new Range(0, 0, 0, 0);
            for (var i=startRow; i<= endRow; i++)
            {
                var line = doc.getLine(i);
                var m = line.match(re);
                deleteRange.start.row = i;
                deleteRange.end.row = i;
                deleteRange.end.column = m[0].length;
                doc.replace(deleteRange, m[1]);
            }
        }
        else {
            doc.indentRows(startRow, endRow, "#");
        }
    };

    this.getNextLineIndent = function(state, line, tab) {
        var indent = this.$getIndent(line);

        var tokenizedLine = this.$tokenizer.getLineTokens(line, state);
        var tokens = tokenizedLine.tokens;

        if (tokens.length && tokens[tokens.length-1].type == "comment") {
            return indent;
        }
        
        if (state == "start") {
            var match = line.match(/^.*[\{\(\[]\s*$/);
            if (match) {
                indent += tab;
            }
        }

        return indent;
    };

    this.checkOutdent = function(state, line, input) {
        return this.$outdent.checkOutdent(line, input);
    };

    this.autoOutdent = function(state, doc, row) {
        this.$outdent.autoOutdent(doc, row);
    };

}).call(Mode.prototype);

exports.Mode = Mode;
});

ace.define('ace/mode/ruby_highlight_rules', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/lib/lang', 'ace/mode/text_highlight_rules'], function(require, exports, module) {


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

var RubyHighlightRules = function() {

    var builtinFunctions = lang.arrayToMap(
        ("abort|Array|assert|assert_equal|assert_not_equal|assert_same|assert_not_same|" +
        "assert_nil|assert_not_nil|assert_match|assert_no_match|assert_in_delta|assert_throws|" + 
        "assert_raise|assert_nothing_raised|assert_instance_of|assert_kind_of|assert_respond_to|" +
        "assert_operator|assert_send|assert_difference|assert_no_difference|assert_recognizes|" +
        "assert_generates|assert_response|assert_redirected_to|assert_template|assert_select|" +
        "assert_select_email|assert_select_rjs|assert_select_encoded|css_select|at_exit|" +
        "attr|attr_writer|attr_reader|attr_accessor|attr_accessible|autoload|binding|block_given?|callcc|" +
        "caller|catch|chomp|chomp!|chop|chop!|defined?|delete_via_redirect|eval|exec|exit|" +
        "exit!|fail|Float|flunk|follow_redirect!|fork|form_for|form_tag|format|gets|global_variables|gsub|" +
        "gsub!|get_via_redirect|h|host!|https?|https!|include|Integer|lambda|link_to|" +
        "link_to_unless_current|link_to_function|link_to_remote|load|local_variables|loop|open|open_session|" +
        "p|print|printf|proc|putc|puts|post_via_redirect|put_via_redirect|raise|rand|" +
        "raw|readline|readlines|redirect?|request_via_redirect|require|scan|select|" +
        "set_trace_func|sleep|split|sprintf|srand|String|stylesheet_link_tag|syscall|system|sub|sub!|test|" +
        "throw|trace_var|trap|untrace_var|atan2|cos|exp|frexp|ldexp|log|log10|sin|sqrt|tan|" +
        "render|javascript_include_tag|csrf_meta_tag|label_tag|text_field_tag|submit_tag|check_box_tag|" +
        "content_tag|radio_button_tag|text_area_tag|password_field_tag|hidden_field_tag|" +
        "fields_for|select_tag|options_for_select|options_from_collection_for_select|collection_select|" +
        "time_zone_select|select_date|select_time|select_datetime|date_select|time_select|datetime_select|" +
        "select_year|select_month|select_day|select_hour|select_minute|select_second|file_field_tag|" +
        "file_field|respond_to|skip_before_filter|around_filter|after_filter|verify|" +
        "protect_from_forgery|rescue_from|helper_method|redirect_to|before_filter|" +
        "send_data|send_file|validates_presence_of|validates_uniqueness_of|validates_length_of|" +
        "validates_format_of|validates_acceptance_of|validates_associated|validates_exclusion_of|" +
        "validates_inclusion_of|validates_numericality_of|validates_with|validates_each|" +
        "authenticate_or_request_with_http_basic|authenticate_or_request_with_http_digest|" +
        "filter_parameter_logging|match|get|post|resources|redirect|scope|assert_routing|" +
        "translate|localize|extract_locale_from_tld|t|l|caches_page|expire_page|caches_action|expire_action|" +
        "cache|expire_fragment|expire_cache_for|observe|cache_sweeper|" +
        "has_many|has_one|belongs_to|has_and_belongs_to_many").split("|")
    );

    var keywords = lang.arrayToMap(
        ("alias|and|BEGIN|begin|break|case|class|def|defined|do|else|elsif|END|end|ensure|" +
        "__FILE__|finally|for|gem|if|in|__LINE__|module|next|not|or|private|protected|public|" + 
        "redo|rescue|retry|return|super|then|undef|unless|until|when|while|yield").split("|")
    );

    var buildinConstants = lang.arrayToMap(
        ("true|TRUE|false|FALSE|nil|NIL|ARGF|ARGV|DATA|ENV|RUBY_PLATFORM|RUBY_RELEASE_DATE|" +
        "RUBY_VERSION|STDERR|STDIN|STDOUT|TOPLEVEL_BINDING").split("|")
    );

    var builtinVariables = lang.arrayToMap(
        ("\$DEBUG|\$defout|\$FILENAME|\$LOAD_PATH|\$SAFE|\$stdin|\$stdout|\$stderr|\$VERBOSE|" +
        "$!|root_url|flash|session|cookies|params|request|response|logger").split("|")
    );

    // regexp must not have capturing parentheses. Use (?:) instead.
    // regexps are ordered -> the first match is used

    this.$rules = {
        "start" : [
            {
                token : "comment",
                regex : "#.*$"
            }, {
                token : "comment", // multi line comment
                merge : true,
                regex : "^\=begin$",
                next : "comment"
            }, {
                token : "string.regexp",
                regex : "[/](?:(?:\\[(?:\\\\]|[^\\]])+\\])|(?:\\\\/|[^\\]/]))*[/]\\w*\\s*(?=[).,;]|$)"
            }, {
                token : "string", // single line
                regex : '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
            }, {
                token : "string", // single line
                regex : "['](?:(?:\\\\.)|(?:[^'\\\\]))*?[']"
            }, {
                token : "string", // backtick string
                regex : "[`](?:(?:\\\\.)|(?:[^'\\\\]))*?[`]"
            }, {
                token : "text", // namespaces aren't symbols
                regex : "::"
            }, {
                token : "variable.instancce", // instance variable
                regex : "@{1,2}(?:[a-zA-Z_]|\d)+"
            }, {
                token : "variable.class", // class name
                regex : "[A-Z](?:[a-zA-Z_]|\d)+"
            }, {
                token : "string", // symbol
                regex : "[:](?:[A-Za-z_]|[@$](?=[a-zA-Z0-9_]))[a-zA-Z0-9_]*[!=?]?"
           }, {
                token : "constant.numeric", // hex
                regex : "0[xX][0-9a-fA-F](?:[0-9a-fA-F]|_(?=[0-9a-fA-F]))*\\b"
            }, {
                token : "constant.numeric", // float
                regex : "[+-]?\\d(?:\\d|_(?=\\d))*(?:(?:\\.\\d(?:\\d|_(?=\\d))*)?(?:[eE][+-]?\\d+)?)?\\b"
            }, {
                token : "constant.language.boolean",
                regex : "(?:true|false)\\b"
            }, {
                token : function(value) {
                    if (value == "self")
                        return "variable.language";
                    else if (keywords.hasOwnProperty(value))
                        return "keyword";
                    else if (buildinConstants.hasOwnProperty(value))
                        return "constant.language";
                    else if (builtinVariables.hasOwnProperty(value))
                        return "variable.language";
                    else if (builtinFunctions.hasOwnProperty(value))
                        return "support.function";
                    else if (value == "debugger")
                        return "invalid.deprecated";
                    else
                        return "identifier";
                },
                // TODO: Unicode escape sequences
                // TODO: Unicode identifiers
                regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
            }, {
                token : "keyword.operator",
                regex : "!|\\$|%|&|\\*|\\-\\-|\\-|\\+\\+|\\+|~|===|==|=|!=|!==|<=|>=|<<=|>>=|>>>=|<>|<|>|!|&&|\\|\\||\\?\\:|\\*=|%=|\\+=|\\-=|&=|\\^=|\\b(?:in|instanceof|new|delete|typeof|void)"
            }, {
                token : "paren.lparen",
                regex : "[[({]"
            }, {
                token : "paren.rparen",
                regex : "[\\])}]"
            }, {
                token : "text",
                regex : "\\s+"
            }
        ],
        "comment" : [
            {
                token : "comment", // closing comment
                regex : "^\=end$",
                next : "start"
            }, {
                token : "comment", // comment spanning whole line
                merge : true,
                regex : ".+"
            }
        ]
    };
};

oop.inherits(RubyHighlightRules, TextHighlightRules);

exports.RubyHighlightRules = RubyHighlightRules;
});

ace.define('ace/mode/matching_brace_outdent', ['require', 'exports', 'module' , 'ace/range'], function(require, exports, module) {


var Range = require("../range").Range;

var MatchingBraceOutdent = function() {};

(function() {

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

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

    this.autoOutdent = function(doc, row) {
        var line = doc.getLine(row);
        var match = line.match(/^(\s*\})/);

        if (!match) return 0;

        var column = match[1].length;
        var openBracePos = doc.findMatchingBracket({row: row, column: column});

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

        var indent = this.$getIndent(doc.getLine(openBracePos.row));
        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 "";
    };

}).call(MatchingBraceOutdent.prototype);

exports.MatchingBraceOutdent = MatchingBraceOutdent;
});
