html_worker.js 3.2 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192
  1. /* ***** BEGIN LICENSE BLOCK *****
  2. * Distributed under the BSD license:
  3. *
  4. * Copyright (c) 2010, Ajax.org B.V.
  5. * All rights reserved.
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions are met:
  9. * * Redistributions of source code must retain the above copyright
  10. * notice, this list of conditions and the following disclaimer.
  11. * * Redistributions in binary form must reproduce the above copyright
  12. * notice, this list of conditions and the following disclaimer in the
  13. * documentation and/or other materials provided with the distribution.
  14. * * Neither the name of Ajax.org B.V. nor the
  15. * names of its contributors may be used to endorse or promote products
  16. * derived from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  19. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21. * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
  22. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28. *
  29. * ***** END LICENSE BLOCK ***** */
  30. define(function(require, exports, module) {
  31. "use strict";
  32. var oop = require("../lib/oop");
  33. var lang = require("../lib/lang");
  34. var Mirror = require("../worker/mirror").Mirror;
  35. var SAXParser = require("./html/saxparser").SAXParser;
  36. var errorTypes = {
  37. "expected-doctype-but-got-start-tag": "info",
  38. "expected-doctype-but-got-chars": "info",
  39. "non-html-root": "info",
  40. }
  41. var Worker = exports.Worker = function(sender) {
  42. Mirror.call(this, sender);
  43. this.setTimeout(400);
  44. this.context = null;
  45. };
  46. oop.inherits(Worker, Mirror);
  47. (function() {
  48. this.setOptions = function(options) {
  49. this.context = options.context;
  50. };
  51. this.onUpdate = function() {
  52. var value = this.doc.getValue();
  53. if (!value)
  54. return;
  55. var parser = new SAXParser();
  56. var errors = [];
  57. var noop = function(){};
  58. parser.contentHandler = {
  59. startDocument: noop,
  60. endDocument: noop,
  61. startElement: noop,
  62. endElement: noop,
  63. characters: noop
  64. };
  65. parser.errorHandler = {
  66. error: function(message, location, code) {
  67. errors.push({
  68. row: location.line,
  69. column: location.column,
  70. text: message,
  71. type: errorTypes[code] || "error"
  72. });
  73. }
  74. };
  75. if (this.context)
  76. parser.parseFragment(value, this.context);
  77. else
  78. parser.parse(value);
  79. this.sender.emit("error", errors);
  80. };
  81. }).call(Worker.prototype);
  82. });