/* ***** 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):
 *      Panagiotis Astithas <pastith 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 ***** */

define('ace/mode/perl', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/text', 'ace/tokenizer', 'ace/mode/perl_highlight_rules', 'ace/mode/matching_brace_outdent', 'ace/range', 'ace/mode/folding/cstyle'], function(require, exports, module) {


var oop = require("../lib/oop");
var TextMode = require("./text").Mode;
var Tokenizer = require("../tokenizer").Tokenizer;
var PerlHighlightRules = require("./perl_highlight_rules").PerlHighlightRules;
var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;
var Range = require("../range").Range;
var CStyleFoldMode = require("./folding/cstyle").FoldMode;

var Mode = function() {
    this.$tokenizer = new Tokenizer(new PerlHighlightRules().getRules());
    this.$outdent = new MatchingBraceOutdent();
    this.foldingRules = new CStyleFoldMode();
};
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;
});

define('ace/mode/perl_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 PerlHighlightRules = function() {

    var keywords = lang.arrayToMap(
        ("base|constant|continue|else|elsif|for|foreach|format|goto|if|last|local|my|next|" +
         "no|package|parent|redo|require|scalar|sub|unless|until|while|use|vars").split("|")
    );

    var buildinConstants = lang.arrayToMap(
        ("ARGV|ENV|INC|SIG").split("|")
    );

    var builtinFunctions = lang.arrayToMap(
        ("getprotobynumber|getprotobyname|getservbyname|gethostbyaddr|" +
         "gethostbyname|getservbyport|getnetbyaddr|getnetbyname|getsockname|" +
         "getpeername|setpriority|getprotoent|setprotoent|getpriority|" +
         "endprotoent|getservent|setservent|endservent|sethostent|socketpair|" +
         "getsockopt|gethostent|endhostent|setsockopt|setnetent|quotemeta|" +
         "localtime|prototype|getnetent|endnetent|rewinddir|wantarray|getpwuid|" +
         "closedir|getlogin|readlink|endgrent|getgrgid|getgrnam|shmwrite|" +
         "shutdown|readline|endpwent|setgrent|readpipe|formline|truncate|" +
         "dbmclose|syswrite|setpwent|getpwnam|getgrent|getpwent|ucfirst|sysread|" +
         "setpgrp|shmread|sysseek|sysopen|telldir|defined|opendir|connect|" +
         "lcfirst|getppid|binmode|syscall|sprintf|getpgrp|readdir|seekdir|" +
         "waitpid|reverse|unshift|symlink|dbmopen|semget|msgrcv|rename|listen|" +
         "chroot|msgsnd|shmctl|accept|unpack|exists|fileno|shmget|system|" +
         "unlink|printf|gmtime|msgctl|semctl|values|rindex|substr|splice|" +
         "length|msgget|select|socket|return|caller|delete|alarm|ioctl|index|" +
         "undef|lstat|times|srand|chown|fcntl|close|write|umask|rmdir|study|" +
         "sleep|chomp|untie|print|utime|mkdir|atan2|split|crypt|flock|chmod|" +
         "BEGIN|bless|chdir|semop|shift|reset|link|stat|chop|grep|fork|dump|" +
         "join|open|tell|pipe|exit|glob|warn|each|bind|sort|pack|eval|push|" +
         "keys|getc|kill|seek|sqrt|send|wait|rand|tied|read|time|exec|recv|" +
         "eof|chr|int|ord|exp|pos|pop|sin|log|abs|oct|hex|tie|cos|vec|END|ref|" +
         "map|die|uc|lc|do").split("|")
    );

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

    this.$rules = {
        "start" : [
            {
                token : "comment",
                regex : "#.*$"
            }, {
                token : "string.regexp",
                regex : "[/](?:(?:\\[(?:\\\\]|[^\\]])+\\])|(?:\\\\/|[^\\]/]))*[/]\\w*\\s*(?=[).,;]|$)"
            }, {
                token : "string", // single line
                regex : '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
            }, {
                token : "string", // multi line string start
                merge : true,
                regex : '["].*\\\\$',
                next : "qqstring"
            }, {
                token : "string", // single line
                regex : "['](?:(?:\\\\.)|(?:[^'\\\\]))*?[']"
            }, {
                token : "string", // multi line string start
                merge : true,
                regex : "['].*\\\\$",
                next : "qstring"
            }, {
                token : "constant.numeric", // hex
                regex : "0x[0-9a-fA-F]+\\b"
            }, {
                token : "constant.numeric", // float
                regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
            }, {
                token : function(value) {
                    if (keywords.hasOwnProperty(value))
                        return "keyword";
                    else if (buildinConstants.hasOwnProperty(value))
                        return "constant.language";
                    else if (builtinFunctions.hasOwnProperty(value))
                        return "support.function";
                    else
                        return "identifier";
                },
                regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
            }, {
                token : "keyword.operator",
                regex : "\\.\\.\\.|\\|\\|=|>>=|<<=|<=>|&&=|=>|!~|\\^=|&=|\\|=|\\.=|x=|%=|\\/=|\\*=|\\-=|\\+=|=~|\\*\\*|\\-\\-|\\.\\.|\\|\\||&&|\\+\\+|\\->|!=|==|>=|<=|>>|<<|,|=|\\?\\:|\\^|\\||x|%|\\/|\\*|<|&|\\\\|~|!|>|\\.|\\-|\\+|\\-C|\\-b|\\-S|\\-u|\\-t|\\-p|\\-l|\\-d|\\-f|\\-g|\\-s|\\-z|\\-k|\\-e|\\-O|\\-T|\\-B|\\-M|\\-A|\\-X|\\-W|\\-c|\\-R|\\-o|\\-x|\\-w|\\-r|\\b(?:and|cmp|eq|ge|gt|le|lt|ne|not|or|xor)"
            }, {
                token : "lparen",
                regex : "[[({]"
            }, {
                token : "rparen",
                regex : "[\\])}]"
            }, {
                token : "text",
                regex : "\\s+"
            }
        ],
        "qqstring" : [
            {
                token : "string",
                regex : '(?:(?:\\\\.)|(?:[^"\\\\]))*?"',
                next : "start"
            }, {
                token : "string",
                merge : true,
                regex : '.+'
            }
        ],
        "qstring" : [
            {
                token : "string",
                regex : "(?:(?:\\\\.)|(?:[^'\\\\]))*?'",
                next : "start"
            }, {
                token : "string",
                merge : true,
                regex : '.+'
            }
        ]
    };
};

oop.inherits(PerlHighlightRules, TextHighlightRules);

exports.PerlHighlightRules = PerlHighlightRules;
});

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;
});

define('ace/mode/folding/cstyle', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/range', 'ace/mode/folding/fold_mode'], function(require, exports, module) {


var oop = require("../../lib/oop");
var Range = require("../../range").Range;
var BaseFoldMode = require("./fold_mode").FoldMode;

var FoldMode = exports.FoldMode = function() {};
oop.inherits(FoldMode, BaseFoldMode);

(function() {

    this.foldingStartMarker = /(\{|\[)[^\}\]]*$|^\s*(\/\*)/;
    this.foldingStopMarker = /^[^\[\{]*(\}|\])|^[\s\*]*(\*\/)/;
    
    this.getFoldWidgetRange = function(session, foldStyle, row) {
        var line = session.getLine(row);
        var match = line.match(this.foldingStartMarker);
        if (match) {
            var i = match.index;

            if (match[1])
                return this.openingBracketBlock(session, match[1], row, i);

            var range = session.getCommentFoldRange(row, i + match[0].length);
            range.end.column -= 2;
            return range;
        }

        if (foldStyle !== "markbeginend")
            return;
            
        var match = line.match(this.foldingStopMarker);
        if (match) {
            var i = match.index + match[0].length;

            if (match[2]) {
                var range = session.getCommentFoldRange(row, i);
                range.end.column -= 2;
                return range;
            }

            var end = {row: row, column: i};
            var start = session.$findOpeningBracket(match[1], end);
            
            if (!start)
                return;

            start.column++;
            end.column--;

            return  Range.fromPoints(start, end);
        }
    };
    
}).call(FoldMode.prototype);

});

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


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

var FoldMode = exports.FoldMode = function() {};

(function() {

    this.foldingStartMarker = null;
    this.foldingStopMarker = null;

    // must return "" if there's no fold, to enable caching
    this.getFoldWidget = function(session, foldStyle, row) {
        var line = session.getLine(row);
        if (this.foldingStartMarker.test(line))
            return "start";
        if (foldStyle == "markbeginend"
                && this.foldingStopMarker
                && this.foldingStopMarker.test(line))
            return "end";
        return "";
    };
    
    this.getFoldWidgetRange = function(session, foldStyle, row) {
        return null;
    };

    this.indentationBlock = function(session, row, column) {
        var re = /^\s*/;
        var startRow = row;
        var endRow = row;
        var line = session.getLine(row);
        var startColumn = column || line.length;
        var startLevel = line.match(re)[0].length;
        var maxRow = session.getLength()
        
        while (++row < maxRow) {
            line = session.getLine(row);
            var level = line.match(re)[0].length;

            if (level == line.length)
                continue;

            if (level <= startLevel)
                break;

            endRow = row;
        }

        if (endRow > startRow) {
            var endColumn = session.getLine(endRow).length;
            return new Range(startRow, startColumn, endRow, endColumn);
        }
    };

    this.openingBracketBlock = function(session, bracket, row, column, typeRe, allowBlankLine) {
        var start = {row: row, column: column + 1};
        var end = session.$findClosingBracket(bracket, start, typeRe, allowBlankLine);
        if (!end)
            return;

        var fw = session.foldWidgets[end.row];
        if (fw == null)
            fw = this.getFoldWidget(session, end.row);

        if (fw == "start") {
            end.row --;
            end.column = session.getLine(end.row).length;
        }
        return Range.fromPoints(start, end);
    };

}).call(FoldMode.prototype);

});
