mirror of
https://github.com/overleaf/overleaf.git
synced 2024-11-30 15:55:09 -05:00
125 lines
4.5 KiB
JavaScript
Executable file
125 lines
4.5 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() {};
|
|
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);
|
|
|
|
});
|