/* ***** 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>
*
* 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/xml’, [‘require’, ‘exports’, ‘module’ , ‘ace/lib/oop’, ‘ace/mode/text’, ‘ace/tokenizer’, ‘ace/mode/xml_highlight_rules’, ‘ace/mode/behaviour/xml’, ‘ace/mode/folding/xml’], function(require, exports, module) { “use strict”;

var oop = require(“../lib/oop”); var TextMode = require(“./text”).Mode; var Tokenizer = require(“../tokenizer”).Tokenizer; var XmlHighlightRules = require(“./xml_highlight_rules”).XmlHighlightRules; var XmlBehaviour = require(“./behaviour/xml”).XmlBehaviour; var XmlFoldMode = require(“./folding/xml”).FoldMode;

var Mode = function() {

this.$tokenizer = new Tokenizer(new XmlHighlightRules().getRules());
this.$behaviour = new XmlBehaviour();
this.foldingRules = new XmlFoldMode();

};

oop.inherits(Mode, TextMode);

(function() {

this.getNextLineIndent = function(state, line, tab) {
    return this.$getIndent(line);
};

}).call(Mode.prototype);

exports.Mode = Mode; }); /* ***** 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>
*
* 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/xml_highlight_rules’, [‘require’, ‘exports’, ‘module’ , ‘ace/lib/oop’, ‘ace/mode/xml_util’, ‘ace/mode/text_highlight_rules’], function(require, exports, module) { “use strict”;

var oop = require(“../lib/oop”); var xmlUtil = require(“./xml_util”); var TextHighlightRules = require(“./text_highlight_rules”).TextHighlightRules;

var XmlHighlightRules = function() {

// regexp must not have capturing parentheses
// regexps are ordered -> the first match is used
this.$rules = {
    start : [{
        token : "text",
        regex : "<\\!\\[CDATA\\[",
        next : "cdata"
    }, {
        token : "xml_pe",
        regex : "<\\?.*?\\?>"
    }, {
        token : "comment",
        merge : true,
        regex : "<\\!--",
        next : "comment"
    }, {
        token : "xml_pe",
        regex : "<\\!.*?>"
    }, {
        token : "meta.tag", // opening tag
        regex : "<\\/?",
        next : "tag"
    }, {
        token : "text",
        regex : "\\s+"
    }, {
        token : "constant.character.entity",
        regex : "(?:&#[0-9]+;)|(?:&#x[0-9a-fA-F]+;)|(?:&[a-zA-Z0-9_:\\.-]+;)"
    }, {
        token : "text",
        regex : "[^<]+"
    }],

    cdata : [{
        token : "text",
        regex : "\\]\\]>",
        next : "start"
    }, {
        token : "text",
        regex : "\\s+"
    }, {
        token : "text",
        regex : "(?:[^\\]]|\\](?!\\]>))+"
    }],

    comment : [{
        token : "comment",
        regex : ".*?-->",
        next : "start"
    }, {
        token : "comment",
        merge : true,
        regex : ".+"
    }]
};

xmlUtil.tag(this.$rules, "tag", "start");

};

oop.inherits(XmlHighlightRules, TextHighlightRules);

exports.XmlHighlightRules = XmlHighlightRules; }); /* ***** 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>
*
* 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/xml_util’, [‘require’, ‘exports’, ‘module’ , ‘ace/lib/lang’], function(require, exports, module) { “use strict”;

var lang = require(“../lib/lang”);

var formTags = lang.arrayToMap(

("button|form|input|label|select|textarea").split("|")

);

var tableTags = lang.arrayToMap(

("table|tbody|td|tfoot|th|tr").split("|")

);

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) {

states[name] = [{
    token : "text",
    regex : "\\s+"
}, {
    //token : "meta.tag",

token : function(value) {
        if ( value==='a' ) {
            return "meta.tag.anchor";
        }
        else if ( value==='img' ) {
            return "meta.tag.image";
        }
        else if ( value==='script' ) {
            return "meta.tag.script";
        }
        else if ( value==='style' ) {
            return "meta.tag.style";
        }
        else if (formTags.hasOwnProperty(value.toLowerCase())) {
            return "meta.tag.form";
        }
        else if (tableTags.hasOwnProperty(value.toLowerCase())) {
            return "meta.tag.table";
        }
        else {
            return "meta.tag";
        }
    },        
    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));

};

}); /* vim:ts=4:sts=4:sw=4:

* ***** 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):
*      Chris Spencer <chris.ag.spencer AT googlemail 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/behaviour/xml’, [‘require’, ‘exports’, ‘module’ , ‘ace/lib/oop’, ‘ace/mode/behaviour’, ‘ace/mode/behaviour/cstyle’], function(require, exports, module) { “use strict”;

var oop = require(“../../lib/oop”); var Behaviour = require(“../behaviour”).Behaviour; var CstyleBehaviour = require(“./cstyle”).CstyleBehaviour;

var XmlBehaviour = function () {

this.inherit(CstyleBehaviour, ["string_dquotes"]); // Get string behaviour

this.add("brackets", "insertion", function (state, action, editor, session, text) {
    if (text == '<') {
        var selection = editor.getSelectionRange();
        var selected = session.doc.getTextRange(selection);
        if (selected !== "") {
            return false;
        } else {
            return {
                text: '<>',
                selection: [1, 1]
            }
        }
    } else if (text == '>') {
        var cursor = editor.getCursorPosition();
        var line = session.doc.getLine(cursor.row);
        var rightChar = line.substring(cursor.column, cursor.column + 1);
        if (rightChar == '>') { // need some kind of matching check here
            return {
                text: '',
                selection: [1, 1]
            }
        }
    } else if (text == "\n") {
        var cursor = editor.getCursorPosition();
        var line = session.doc.getLine(cursor.row);
        var rightChars = line.substring(cursor.column, cursor.column + 2);
        if (rightChars == '</') {
            var indent = this.$getIndent(session.doc.getLine(cursor.row)) + session.getTabString();
            var next_indent = this.$getIndent(session.doc.getLine(cursor.row));

            return {
                text: '\n' + indent + '\n' + next_indent,
                selection: [1, indent.length, 1, indent.length]
            }
        }
    }
});

} oop.inherits(XmlBehaviour, Behaviour);

exports.XmlBehaviour = XmlBehaviour; });/* vim:ts=4:sts=4:sw=4:

* ***** 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):
*      Chris Spencer <chris.ag.spencer AT googlemail 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/behaviour/cstyle’, [‘require’, ‘exports’, ‘module’ , ‘ace/lib/oop’, ‘ace/mode/behaviour’], function(require, exports, module) { “use strict”;

var oop = require(“../../lib/oop”); var Behaviour = require(‘../behaviour’).Behaviour;

var CstyleBehaviour = function () {

this.add("braces", "insertion", function (state, action, editor, session, text) {
    if (text == '{') {
        var selection = editor.getSelectionRange();
        var selected = session.doc.getTextRange(selection);
        if (selected !== "") {
            return {
                text: '{' + selected + '}',
                selection: false
            };
        } else {
            return {
                text: '{}',
                selection: [1, 1]
            };
        }
    } else if (text == '}') {
        var cursor = editor.getCursorPosition();
        var line = session.doc.getLine(cursor.row);
        var rightChar = line.substring(cursor.column, cursor.column + 1);
        if (rightChar == '}') {
            var matching = session.$findOpeningBracket('}', {column: cursor.column + 1, row: cursor.row});
            if (matching !== null) {
                return {
                    text: '',
                    selection: [1, 1]
                };
            }
        }
    } else if (text == "\n") {
        var cursor = editor.getCursorPosition();
        var line = session.doc.getLine(cursor.row);
        var rightChar = line.substring(cursor.column, cursor.column + 1);
        if (rightChar == '}') {
            var openBracePos = session.findMatchingBracket({row: cursor.row, column: cursor.column + 1});
            if (!openBracePos)
                 return null;

            var indent = this.getNextLineIndent(state, line.substring(0, line.length - 1), session.getTabString());
            var next_indent = this.$getIndent(session.doc.getLine(openBracePos.row));

            return {
                text: '\n' + indent + '\n' + next_indent,
                selection: [1, indent.length, 1, indent.length]
            };
        }
    }
});

this.add("braces", "deletion", function (state, action, editor, session, range) {
    var selected = session.doc.getTextRange(range);
    if (!range.isMultiLine() && selected == '{') {
        var line = session.doc.getLine(range.start.row);
        var rightChar = line.substring(range.end.column, range.end.column + 1);
        if (rightChar == '}') {
            range.end.column++;
            return range;
        }
    }
});

this.add("parens", "insertion", function (state, action, editor, session, text) {
    if (text == '(') {
        var selection = editor.getSelectionRange();
        var selected = session.doc.getTextRange(selection);
        if (selected !== "") {
            return {
                text: '(' + selected + ')',
                selection: false
            };
        } else {
            return {
                text: '()',
                selection: [1, 1]
            };
        }
    } else if (text == ')') {
        var cursor = editor.getCursorPosition();
        var line = session.doc.getLine(cursor.row);
        var rightChar = line.substring(cursor.column, cursor.column + 1);
        if (rightChar == ')') {
            var matching = session.$findOpeningBracket(')', {column: cursor.column + 1, row: cursor.row});
            if (matching !== null) {
                return {
                    text: '',
                    selection: [1, 1]
                };
            }
        }
    }
});

this.add("parens", "deletion", function (state, action, editor, session, range) {
    var selected = session.doc.getTextRange(range);
    if (!range.isMultiLine() && selected == '(') {
        var line = session.doc.getLine(range.start.row);
        var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
        if (rightChar == ')') {
            range.end.column++;
            return range;
        }
    }
});

this.add("string_dquotes", "insertion", function (state, action, editor, session, text) {
    if (text == '"' || text == "'") {
        var quote = text;
        var selection = editor.getSelectionRange();
        var selected = session.doc.getTextRange(selection);
        if (selected !== "") {
            return {
                text: quote + selected + quote,
                selection: false
            };
        } else {
            var cursor = editor.getCursorPosition();
            var line = session.doc.getLine(cursor.row);
            var leftChar = line.substring(cursor.column-1, cursor.column);

            // We're escaped.
            if (leftChar == '\\') {
                return null;
            }

            // Find what token we're inside.
            var tokens = session.getTokens(selection.start.row, selection.start.row)[0].tokens;
            var col = 0, token;
            var quotepos = -1; // Track whether we're inside an open quote.

            for (var x = 0; x < tokens.length; x++) {
                token = tokens[x];
                if (token.type == "string") {
                  quotepos = -1;
                } else if (quotepos < 0) {
                  quotepos = token.value.indexOf(quote);
                }
                if ((token.value.length + col) > selection.start.column) {
                    break;
                }
                col += tokens[x].value.length;
            }

            // Try and be smart about when we auto insert.
            if (!token || (quotepos < 0 && token.type !== "comment" && (token.type !== "string" || ((selection.start.column !== token.value.length+col-1) && token.value.lastIndexOf(quote) === token.value.length-1)))) {
                return {
                    text: quote + quote,
                    selection: [1,1]
                };
            } else if (token && token.type === "string") {
                // Ignore input and move right one if we're typing over the closing quote.
                var rightChar = line.substring(cursor.column, cursor.column + 1);
                if (rightChar == quote) {
                    return {
                        text: '',
                        selection: [1, 1]
                    };
                }
            }
        }
    }
});

this.add("string_dquotes", "deletion", function (state, action, editor, session, range) {
    var selected = session.doc.getTextRange(range);
    if (!range.isMultiLine() && (selected == '"' || selected == "'")) {
        var line = session.doc.getLine(range.start.row);
        var rightChar = line.substring(range.start.column + 1, range.start.column + 2);
        if (rightChar == '"') {
            range.end.column++;
            return range;
        }
    }
});

};

oop.inherits(CstyleBehaviour, Behaviour);

exports.CstyleBehaviour = CstyleBehaviour; });/* ***** 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>
*
* 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/folding/xml’, [‘require’, ‘exports’, ‘module’ , ‘ace/lib/oop’, ‘ace/lib/lang’, ‘ace/range’, ‘ace/mode/folding/fold_mode’, ‘ace/token_iterator’], function(require, exports, module) { “use strict”;

var oop = require(“../../lib/oop”); var lang = require(“../../lib/lang”); var Range = require(“../../range”).Range; var BaseFoldMode = require(“./fold_mode”).FoldMode; var TokenIterator = require(“../../token_iterator”).TokenIterator;

var FoldMode = exports.FoldMode = function(voidElements) {

BaseFoldMode.call(this);
this.voidElements = voidElements || {};

}; oop.inherits(FoldMode, BaseFoldMode);

(function() {

this.getFoldWidget = function(session, foldStyle, row) {
    var tag = this._getFirstTagInLine(session, row);

    if (tag.closing)
        return foldStyle == "markbeginend" ? "end" : "";

    if (!tag.tagName || this.voidElements[tag.tagName.toLowerCase()])
        return "";

    if (tag.selfClosing)
        return "";

    if (tag.value.indexOf("/" + tag.tagName) !== -1)
        return "";

    return "start";
};

this._getFirstTagInLine = function(session, row) {
    var tokens = session.getTokens(row, row)[0].tokens;
    var value = "";
    for (var i = 0; i < tokens.length; i++) {
        var token = tokens[i];
        if (token.type.indexOf("meta.tag") === 0)
            value += token.value;
        else
            value += lang.stringRepeat(" ", token.value.length);
    }

    return this._parseTag(value);
};

this.tagRe = /^(\s*)(<?(\/?)([-_a-zA-Z0-9:!]*)\s*(\/?)>?)/;
this._parseTag = function(tag) {

    var match = this.tagRe.exec(tag);
    var column = this.tagRe.lastIndex || 0;
    this.tagRe.lastIndex = 0;

    return {
        value: tag,
        match: match ? match[2] : "",
        closing: match ? !!match[3] : false,
        selfClosing: match ? !!match[5] || match[2] == "/>" : false,
        tagName: match ? match[4] : "",
        column: match[1] ? column + match[1].length : column
    };
};

/*
 * reads a full tag and places the iterator after the tag
 */
this._readTagForward = function(iterator) {
    var token = iterator.getCurrentToken();
    if (!token)
        return null;

    var value = "";
    var start;

    do {
        if (token.type.indexOf("meta.tag") === 0) {
            if (!start) {
                var start = {
                    row: iterator.getCurrentTokenRow(),
                    column: iterator.getCurrentTokenColumn()
                };
            }
            value += token.value;
            if (value.indexOf(">") !== -1) {
                var tag = this._parseTag(value);
                tag.start = start;
                tag.end = {
                    row: iterator.getCurrentTokenRow(),
                    column: iterator.getCurrentTokenColumn() + token.value.length
                };
                iterator.stepForward();
                return tag;
            }
        }
    } while(token = iterator.stepForward());

    return null;
};

this._readTagBackward = function(iterator) {
    var token = iterator.getCurrentToken();
    if (!token)
        return null;

    var value = "";
    var end;

    do {
        if (token.type.indexOf("meta.tag") === 0) {
            if (!end) {
                end = {
                    row: iterator.getCurrentTokenRow(),
                    column: iterator.getCurrentTokenColumn() + token.value.length
                };
            }
            value = token.value + value;
            if (value.indexOf("<") !== -1) {
                var tag = this._parseTag(value);
                tag.end = end;
                tag.start = {
                    row: iterator.getCurrentTokenRow(),
                    column: iterator.getCurrentTokenColumn()
                };
                iterator.stepBackward();
                return tag;
            }
        }
    } while(token = iterator.stepBackward());

    return null;
};

this._pop = function(stack, tag) {
    while (stack.length) {

        var top = stack[stack.length-1];
        if (!tag || top.tagName == tag.tagName) {
            return stack.pop();
        }
        else if (this.voidElements[tag.tagName]) {
            return;
        }
        else if (this.voidElements[top.tagName]) {
            stack.pop();
            continue;
        } else {
            return null;
        }
    }
};

this.getFoldWidgetRange = function(session, foldStyle, row) {
    var firstTag = this._getFirstTagInLine(session, row);

    if (!firstTag.match)
        return null;

    var isBackward = firstTag.closing || firstTag.selfClosing;
    var stack = [];
    var tag;

    if (!isBackward) {
        var iterator = new TokenIterator(session, row, firstTag.column);
        var start = {
            row: row,
            column: firstTag.column + firstTag.tagName.length + 2
        };
        while (tag = this._readTagForward(iterator)) {
            if (tag.selfClosing) {
                if (!stack.length) {
                    tag.start.column += tag.tagName.length + 2;
                    tag.end.column -= 2;
                    return Range.fromPoints(tag.start, tag.end);
                } else
                    continue;
            }

            if (tag.closing) {
                this._pop(stack, tag);
                if (stack.length == 0)
                    return Range.fromPoints(start, tag.start);
            }
            else {
                stack.push(tag)
            }
        }
    }
    else {
        var iterator = new TokenIterator(session, row, firstTag.column + firstTag.match.length);
        var end = {
            row: row,
            column: firstTag.column
        };

        while (tag = this._readTagBackward(iterator)) {
            if (tag.selfClosing) {
                if (!stack.length) {
                    tag.start.column += tag.tagName.length + 2;
                    tag.end.column -= 2;
                    return Range.fromPoints(tag.start, tag.end);
                } else
                    continue;
            }

            if (!tag.closing) {
                this._pop(stack, tag);
                if (stack.length == 0) {
                    tag.start.column += tag.tagName.length + 2;
                    return Range.fromPoints(tag.start, end);
                }
            }
            else {
                stack.push(tag)
            }
        }
    }

};

}).call(FoldMode.prototype);

});/* ***** 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>
*
* 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/folding/fold_mode’, [‘require’, ‘exports’, ‘module’ , ‘ace/range’], function(require, exports, module) { “use strict”;

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) {
    var start = {row: row, column: column + 1};
    var end = session.$findClosingBracket(bracket, start);
    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);

});