overleaf/services/web/public/js/ace/mode/folding/diff.js
2014-02-12 10:23:40 +00:00

69 lines
2.8 KiB
JavaScript
Executable file

/* ***** 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";
var oop = require("../../lib/oop");
var BaseFoldMode = require("./fold_mode").FoldMode;
var Range = require("../../range").Range;
var FoldMode = exports.FoldMode = function(levels, flag) {
this.regExpList = levels;
this.flag = flag;
this.foldingStartMarker = RegExp("^(" + levels.join("|") + ")", this.flag);
};
oop.inherits(FoldMode, BaseFoldMode);
(function() {
this.getFoldWidgetRange = function(session, foldStyle, row) {
var line = session.getLine(row);
var start = {row: row, column: line.length};
var regList = this.regExpList;
for (var i = 1; i <= regList.length; i++) {
var re = RegExp("^(" + regList.slice(0, i).join("|") + ")", this.flag);
if (re.test(line))
break;
}
for (var l = session.getLength(); ++row < l; ) {
line = session.getLine(row);
if (re.test(line))
break;
}
if (row == start.row + 1)
return;
return Range.fromPoints(start, {row: row - 1, column: line.length});
};
}).call(FoldMode.prototype);
});