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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 BaseFoldMode = require("./cstyle").FoldMode;
- var FoldMode = exports.FoldMode = function() {};
- oop.inherits(FoldMode, BaseFoldMode);
- (function() {
- /**
- * Inheriting cstyle folding because it handles the region comment folding
- * and special block comment folding appropriately.
- *
- * Cstyle's getCommentRegionBlock() contains the sql comment characters '--' for end region block.
- */
-
- this.foldingStartMarker = /(\bCASE\b|\bBEGIN\b)|^\s*(\/\*)/i;
- // this.foldingStopMarker = /(\bEND\b)|^[\s\*]*(\*\/)/i;
- this.startRegionRe = /^\s*(\/\*|--)#?region\b/;
-
- this.getFoldWidgetRange = function(session, foldStyle, row, forceMultiline) {
- var line = session.getLine(row);
-
- if (this.startRegionRe.test(line)) return this.getCommentRegionBlock(session, line, row);
-
- var match = line.match(this.foldingStartMarker);
- if (match) {
- var i = match.index;
- if (match[1]) return this.getBeginEndBlock(session, row, i, match[1]);
-
- var range = session.getCommentFoldRange(row, i + match[0].length, 1);
- if (range && !range.isMultiLine()) {
- if (forceMultiline) {
- range = this.getSectionRange(session, row);
- }
- else if (foldStyle != "all") range = null;
- }
-
- return range;
- }
-
- if (foldStyle === "markbegin") return;
- //TODO: add support for end folding markers
- return;
- };
-
- /**
- * @returns {range} folding block for sequence that starts with 'CASE' or 'BEGIN' and ends with 'END'
- * @param {string} matchSequence - the sequence of charaters that started the fold widget, which should remain visible when the fold widget is folded
- */
- this.getBeginEndBlock = function(session, row, column, matchSequence) {
- var start = {
- row: row,
- column: column + matchSequence.length
- };
- var maxRow = session.getLength();
- var line;
-
- var depth = 1;
- var re = /(\bCASE\b|\bBEGIN\b)|(\bEND\b)/i;
- 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 > start.row) {
- return new Range(start.row, start.column, endRow, line.length);
- }
- };
- }).call(FoldMode.prototype);
- });
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