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- /* ***** 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 Range = require("../../range").Range;
- var CFoldMode = require("./cstyle").FoldMode;
- var FoldMode = exports.FoldMode = function(commentRegex) {
- if (commentRegex) {
- this.foldingStartMarker = new RegExp(
- this.foldingStartMarker.source.replace(/\|[^|]*?$/, "|" + commentRegex.start)
- );
- this.foldingStopMarker = new RegExp(
- this.foldingStopMarker.source.replace(/\|[^|]*?$/, "|" + commentRegex.end)
- );
- }
- };
- oop.inherits(FoldMode, CFoldMode);
- (function() {
- this.usingRe = /^\s*using \S/;
- this.getFoldWidgetRangeBase = this.getFoldWidgetRange;
- this.getFoldWidgetBase = this.getFoldWidget;
-
- this.getFoldWidget = function(session, foldStyle, row) {
- var fw = this.getFoldWidgetBase(session, foldStyle, row);
- if (!fw) {
- var line = session.getLine(row);
- if (/^\s*#region\b/.test(line))
- return "start";
- var usingRe = this.usingRe;
- if (usingRe.test(line)) {
- var prev = session.getLine(row - 1);
- var next = session.getLine(row + 1);
- if (!usingRe.test(prev) && usingRe.test(next))
- return "start"
- }
- }
- return fw;
- };
-
- this.getFoldWidgetRange = function(session, foldStyle, row) {
- var range = this.getFoldWidgetRangeBase(session, foldStyle, row);
- if (range)
- return range;
- var line = session.getLine(row);
- if (this.usingRe.test(line))
- return this.getUsingStatementBlock(session, line, row);
-
- if (/^\s*#region\b/.test(line))
- return this.getRegionBlock(session, line, row);
- };
-
- this.getUsingStatementBlock = function(session, line, row) {
- var startColumn = line.match(this.usingRe)[0].length - 1;
- var maxRow = session.getLength();
- var startRow = row;
- var endRow = row;
- while (++row < maxRow) {
- line = session.getLine(row);
- if (/^\s*$/.test(line))
- continue;
- if (!this.usingRe.test(line))
- break;
- endRow = row;
- }
- if (endRow > startRow) {
- var endColumn = session.getLine(endRow).length;
- return new Range(startRow, startColumn, endRow, endColumn);
- }
- };
-
- this.getRegionBlock = function(session, line, row) {
- var startColumn = line.search(/\s*$/);
- var maxRow = session.getLength();
- var startRow = row;
-
- var re = /^\s*#(end)?region\b/;
- var depth = 1;
- while (++row < maxRow) {
- line = session.getLine(row);
- var m = re.exec(line);
- if (!m)
- continue;
- if (m[1])
- depth--;
- else
- depth++;
- if (!depth)
- break;
- }
- var endRow = row;
- if (endRow > startRow) {
- return new Range(startRow, startColumn, endRow, line.length);
- }
- };
- }).call(FoldMode.prototype);
- });
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