|
| 1 | +/* ***** BEGIN LICENSE BLOCK ***** |
| 2 | + * Distributed under the BSD license: |
| 3 | + * |
| 4 | + * Copyright (c) 2010, Ajax.org B.V. |
| 5 | + * All rights reserved. |
| 6 | + * |
| 7 | + * Redistribution and use in source and binary forms, with or without |
| 8 | + * modification, are permitted provided that the following conditions are met: |
| 9 | + * * Redistributions of source code must retain the above copyright |
| 10 | + * notice, this list of conditions and the following disclaimer. |
| 11 | + * * Redistributions in binary form must reproduce the above copyright |
| 12 | + * notice, this list of conditions and the following disclaimer in the |
| 13 | + * documentation and/or other materials provided with the distribution. |
| 14 | + * * Neither the name of Ajax.org B.V. nor the |
| 15 | + * names of its contributors may be used to endorse or promote products |
| 16 | + * derived from this software without specific prior written permission. |
| 17 | + * |
| 18 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| 19 | + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 20 | + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 21 | + * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY |
| 22 | + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 23 | + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 24 | + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 25 | + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 26 | + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 27 | + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 28 | + * |
| 29 | + * ***** END LICENSE BLOCK ***** */ |
| 30 | + |
| 31 | +define(function(require, exports, module) { |
| 32 | +"use strict"; |
| 33 | + |
| 34 | +var oop = require("../../lib/oop"); |
| 35 | +var BaseFoldMode = require("./fold_mode").FoldMode; |
| 36 | +var Range = require("../../range").Range; |
| 37 | + |
| 38 | +var FoldMode = exports.FoldMode = function() {}; |
| 39 | +oop.inherits(FoldMode, BaseFoldMode); |
| 40 | + |
| 41 | +(function() { |
| 42 | + this.foldingStartMarker = /^(?:[=-]+\s*$|#{1,6} |`{3})/; |
| 43 | + |
| 44 | + this.getFoldWidget = function(session, foldStyle, row) { |
| 45 | + var line = session.getLine(row); |
| 46 | + if (!this.foldingStartMarker.test(line)) |
| 47 | + return ""; |
| 48 | + |
| 49 | + if (line[0] == "`") { |
| 50 | + if (session.bgTokenizer.getState(row) == "start") |
| 51 | + return "end"; |
| 52 | + return "start"; |
| 53 | + } |
| 54 | + |
| 55 | + return "start"; |
| 56 | + }; |
| 57 | + |
| 58 | + this.getFoldWidgetRange = function(session, foldStyle, row) { |
| 59 | + var line = session.getLine(row); |
| 60 | + var startColumn = line.length; |
| 61 | + var maxRow = session.getLength(); |
| 62 | + var startRow = row; |
| 63 | + var endRow = row; |
| 64 | + if (!line.match(this.foldingStartMarker)) |
| 65 | + return; |
| 66 | + |
| 67 | + if (line[0] == "`") { |
| 68 | + if (session.bgTokenizer.getState(row) !== "start") { |
| 69 | + while (++row < maxRow) { |
| 70 | + line = session.getLine(row); |
| 71 | + if (line[0] == "`" & line.substring(0, 3) == "```") |
| 72 | + break; |
| 73 | + } |
| 74 | + return new Range(startRow, startColumn, row, 0); |
| 75 | + } else { |
| 76 | + while (row -- > 0) { |
| 77 | + line = session.getLine(row); |
| 78 | + if (line[0] == "`" & line.substring(0, 3) == "```") |
| 79 | + break; |
| 80 | + } |
| 81 | + return new Range(row, line.length, startRow, 0); |
| 82 | + } |
| 83 | + } |
| 84 | + |
| 85 | + var token; |
| 86 | + function isHeading(row) { |
| 87 | + token = session.getTokens(row)[0]; |
| 88 | + return token && token.type.lastIndexOf(heading, 0) === 0; |
| 89 | + } |
| 90 | + |
| 91 | + var heading = "markup.heading"; |
| 92 | + function getLevel() { |
| 93 | + var ch = token.value[0]; |
| 94 | + if (ch == "=") return 6; |
| 95 | + if (ch == "-") return 5; |
| 96 | + return 7 - token.value.search(/[^#]/); |
| 97 | + } |
| 98 | + |
| 99 | + if (isHeading(row)) { |
| 100 | + var startHeadingLevel = getLevel(); |
| 101 | + while (++row < maxRow) { |
| 102 | + if (!isHeading(row)) |
| 103 | + continue; |
| 104 | + var level = getLevel(); |
| 105 | + if (level >= startHeadingLevel) |
| 106 | + break; |
| 107 | + } |
| 108 | + |
| 109 | + endRow = row - (!token || ["=", "-"].indexOf(token.value[0]) == -1 ? 1 : 2); |
| 110 | + |
| 111 | + if (endRow > startRow) { |
| 112 | + while (endRow > startRow && /^\s*$/.test(session.getLine(endRow))) |
| 113 | + endRow--; |
| 114 | + } |
| 115 | + |
| 116 | + if (endRow > startRow) { |
| 117 | + var endColumn = session.getLine(endRow).length; |
| 118 | + return new Range(startRow, startColumn, endRow, endColumn); |
| 119 | + } |
| 120 | + } |
| 121 | + }; |
| 122 | + |
| 123 | +}).call(FoldMode.prototype); |
| 124 | + |
| 125 | +}); |
0 commit comments