mirror of
https://github.com/overleaf/overleaf.git
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82 lines
3.2 KiB
JavaScript
82 lines
3.2 KiB
JavaScript
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/* ***** 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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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 Mirror = require("../worker/mirror").Mirror;
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var JSONParseTreeHandler = require("./xquery/JSONParseTreeHandler").JSONParseTreeHandler;
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var XQueryParser = require("./xquery/XQueryParser").XQueryParser;
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var SemanticHighlighter = require("./xquery/visitors/SemanticHighlighter").SemanticHighlighter;
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var XQueryWorker = exports.XQueryWorker = function(sender) {
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Mirror.call(this, sender);
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this.setTimeout(200);
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};
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oop.inherits(XQueryWorker, Mirror);
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(function() {
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this.onUpdate = function() {
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this.sender.emit("start");
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var value = this.doc.getValue();
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var h = new JSONParseTreeHandler(value);
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var parser = new XQueryParser(value, h);
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try {
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parser.parse_XQuery();
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this.sender.emit("ok");
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var ast = h.getParseTree();
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var highlighter = new SemanticHighlighter(ast, value);
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var tokens = highlighter.getTokens();
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this.sender.emit("highlight", { tokens: tokens, lines: highlighter.lines });
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} catch(e) {
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if(e instanceof parser.ParseException) {
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var prefix = value.substring(0, e.getBegin());
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var line = prefix.split("\n").length;
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var column = e.getBegin() - prefix.lastIndexOf("\n");
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var message = parser.getErrorMessage(e);
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this.sender.emit("error", {
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row: line - 1,
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column: column,
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text: message,
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type: "error"
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});
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} else {
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throw e;
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}
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}
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};
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}).call(XQueryWorker.prototype);
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});
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