big-moving.ru/api/soft/Ace/lib/ace/mode/folding/velocity.js

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2022-06-24 15:29:23 +05:00
/* ***** 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.getFoldWidgetRange = function(session, foldStyle, row) {
var range = this.indentationBlock(session, row);
if (range)
return range;
var re = /\S/;
var line = session.getLine(row);
var startLevel = line.search(re);
if (startLevel == -1 || line[startLevel] != "##")
return;
var startColumn = line.length;
var maxRow = session.getLength();
var startRow = row;
var endRow = row;
while (++row < maxRow) {
line = session.getLine(row);
var level = line.search(re);
if (level == -1)
continue;
if (line[level] != "##")
break;
endRow = row;
}
if (endRow > startRow) {
var endColumn = session.getLine(endRow).length;
return new Range(startRow, startColumn, endRow, endColumn);
}
};
// must return "" if there's no fold, to enable caching
this.getFoldWidget = function(session, foldStyle, row) {
var line = session.getLine(row);
var indent = line.search(/\S/);
var next = session.getLine(row + 1);
var prev = session.getLine(row - 1);
var prevIndent = prev.search(/\S/);
var nextIndent = next.search(/\S/);
if (indent == -1) {
session.foldWidgets[row - 1] = prevIndent!= -1 && prevIndent < nextIndent ? "start" : "";
return "";
}
// documentation comments
if (prevIndent == -1) {
if (indent == nextIndent && line[indent] == "##" && next[indent] == "##") {
session.foldWidgets[row - 1] = "";
session.foldWidgets[row + 1] = "";
return "start";
}
} else if (prevIndent == indent && line[indent] == "##" && prev[indent] == "##") {
if (session.getLine(row - 2).search(/\S/) == -1) {
session.foldWidgets[row - 1] = "start";
session.foldWidgets[row + 1] = "";
return "";
}
}
if (prevIndent!= -1 && prevIndent < indent)
session.foldWidgets[row - 1] = "start";
else
session.foldWidgets[row - 1] = "";
if (indent < nextIndent)
return "start";
else
return "";
};
}).call(FoldMode.prototype);
});