116 lines
4.1 KiB
JavaScript
Executable File
116 lines
4.1 KiB
JavaScript
Executable File
/* ***** BEGIN LICENSE BLOCK *****
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* Distributed under the BSD license:
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*
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* Copyright (c) 2010, Ajax.org B.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Ajax.org B.V. nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* Folding mode for Cabal files (Haskell): allow folding each seaction, including
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* the initial general section.
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*/
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define(function(require, exports, module) {
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"use strict";
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var oop = require("../../lib/oop");
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var BaseFoldMode = require("./fold_mode").FoldMode;
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var Range = require("../../range").Range;
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var FoldMode = exports.FoldMode = function() {};
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oop.inherits(FoldMode, BaseFoldMode);
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(function() {
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/**
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is the row a heading?
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*/
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this.isHeading = function (session,row) {
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var heading = "markup.heading";
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var token = session.getTokens(row)[0];
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return row==0 || (token && token.type.lastIndexOf(heading, 0) === 0);
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};
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this.getFoldWidget = function(session, foldStyle, row) {
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if (this.isHeading(session,row)){
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return "start";
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} else if (foldStyle === "markbeginend" && !(/^\s*$/.test(session.getLine(row)))){
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var maxRow = session.getLength();
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while (++row < maxRow) {
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if (!(/^\s*$/.test(session.getLine(row)))){
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break;
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}
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}
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if (row==maxRow || this.isHeading(session,row)){
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return "end";
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}
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}
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return "";
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};
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this.getFoldWidgetRange = function(session, foldStyle, row) {
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var line = session.getLine(row);
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var startColumn = line.length;
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var maxRow = session.getLength();
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var startRow = row;
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var endRow = row;
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// go until next heading
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if (this.isHeading(session,row)) {
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while (++row < maxRow) {
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if (this.isHeading(session,row)){
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row--;
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break;
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}
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}
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endRow = row;
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// remove empty lines at end
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if (endRow > startRow) {
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while (endRow > startRow && /^\s*$/.test(session.getLine(endRow)))
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endRow--;
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}
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if (endRow > startRow) {
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var endColumn = session.getLine(endRow).length;
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return new Range(startRow, startColumn, endRow, endColumn);
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}
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// go back to heading
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} else if (this.getFoldWidget(session, foldStyle, row)==="end"){
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var endRow = row;
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var endColumn = session.getLine(endRow).length;
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while (--row>=0){
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if (this.isHeading(session,row)){
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break;
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}
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}
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var line = session.getLine(row);
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var startColumn = line.length;
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return new Range(row, startColumn, endRow, endColumn);
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}
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};
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}).call(FoldMode.prototype);
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});
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