49 lines
1.6 KiB
JavaScript
49 lines
1.6 KiB
JavaScript
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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 Range = require("../../range").Range;
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var BaseFoldMode = require("./fold_mode").FoldMode;
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var TokenIterator = require("../../token_iterator").TokenIterator;
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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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// regular expressions that identify starting and stopping points
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this.foldingStartMarker = /\b(rule|declare|query|when|then)\b/;
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this.foldingStopMarker = /\bend\b/;
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this.getFoldWidgetRange = function(session, foldStyle, row) {
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var line = session.getLine(row);
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var match = line.match(this.foldingStartMarker);
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if (match) {
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var i = match.index;
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if (match[1]) {
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var position = {row: row, column: line.length};
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var iterator = new TokenIterator(session, position.row, position.column);
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var seek = "end";
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var token = iterator.getCurrentToken();
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if (token.value == "when") {
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seek = "then";
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}
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while (token) {
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if (token.value == seek) {
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return Range.fromPoints(position ,{
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row: iterator.getCurrentTokenRow(),
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column: iterator.getCurrentTokenColumn()
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});
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}
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token = iterator.stepForward();
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}
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}
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}
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// test each line, and return a range of segments to collapse
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};
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}).call(FoldMode.prototype);
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});
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