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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 BaseFoldMode = require("./fold_mode").FoldMode;
- var Range = require("../../range").Range;
- var FoldMode = exports.FoldMode = function() {};
- oop.inherits(FoldMode, BaseFoldMode);
- (function() {
- this.foldingStartMarker = /^(?:[=-]+\s*$|#{1,6} |`{3})/;
- this.getFoldWidget = function(session, foldStyle, row) {
- var line = session.getLine(row);
- if (!this.foldingStartMarker.test(line))
- return "";
- if (line[0] == "`") {
- if (session.bgTokenizer.getState(row) == "start")
- return "end";
- return "start";
- }
- return "start";
- };
- this.getFoldWidgetRange = function(session, foldStyle, row) {
- var line = session.getLine(row);
- var startColumn = line.length;
- var maxRow = session.getLength();
- var startRow = row;
- var endRow = row;
- if (!line.match(this.foldingStartMarker))
- return;
- if (line[0] == "`") {
- if (session.bgTokenizer.getState(row) !== "start") {
- while (++row < maxRow) {
- line = session.getLine(row);
- if (line[0] == "`" & line.substring(0, 3) == "```")
- break;
- }
- return new Range(startRow, startColumn, row, 0);
- } else {
- while (row -- > 0) {
- line = session.getLine(row);
- if (line[0] == "`" & line.substring(0, 3) == "```")
- break;
- }
- return new Range(row, line.length, startRow, 0);
- }
- }
- var token;
- function isHeading(row) {
- token = session.getTokens(row)[0];
- return token && token.type.lastIndexOf(heading, 0) === 0;
- }
- var heading = "markup.heading";
- function getLevel() {
- var ch = token.value[0];
- if (ch == "=") return 6;
- if (ch == "-") return 5;
- return 7 - token.value.search(/[^#]/);
- }
- if (isHeading(row)) {
- var startHeadingLevel = getLevel();
- while (++row < maxRow) {
- if (!isHeading(row))
- continue;
- var level = getLevel();
- if (level >= startHeadingLevel)
- break;
- }
- endRow = row - (!token || ["=", "-"].indexOf(token.value[0]) == -1 ? 1 : 2);
- if (endRow > startRow) {
- while (endRow > startRow && /^\s*$/.test(session.getLine(endRow)))
- endRow--;
- }
- if (endRow > startRow) {
- var endColumn = session.getLine(endRow).length;
- return new Range(startRow, startColumn, endRow, endColumn);
- }
- }
- };
- }).call(FoldMode.prototype);
- });
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