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- /* ***** 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 lang = require("./lib/lang");
- var oop = require("./lib/oop");
- var Range = require("./range").Range;
- var SearchHighlight = function(regExp, clazz, type) {
- this.setRegexp(regExp);
- this.clazz = clazz;
- this.type = type || "text";
- };
- (function() {
- // needed to prevent long lines from freezing the browser
- this.MAX_RANGES = 500;
-
- this.setRegexp = function(regExp) {
- if (this.regExp+"" == regExp+"")
- return;
- this.regExp = regExp;
- this.cache = [];
- };
- this.update = function(html, markerLayer, session, config) {
- if (!this.regExp)
- return;
- var start = config.firstRow, end = config.lastRow;
- for (var i = start; i <= end; i++) {
- var ranges = this.cache[i];
- if (ranges == null) {
- ranges = lang.getMatchOffsets(session.getLine(i), this.regExp);
- if (ranges.length > this.MAX_RANGES)
- ranges = ranges.slice(0, this.MAX_RANGES);
- ranges = ranges.map(function(match) {
- return new Range(i, match.offset, i, match.offset + match.length);
- });
- this.cache[i] = ranges.length ? ranges : "";
- }
- for (var j = ranges.length; j --; ) {
- markerLayer.drawSingleLineMarker(
- html, ranges[j].toScreenRange(session), this.clazz, config);
- }
- }
- };
- }).call(SearchHighlight.prototype);
- exports.SearchHighlight = SearchHighlight;
- });
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