old_ie.js 4.0 KB

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  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 MAX_TOKEN_COUNT = 1000;
  33. var useragent = require("../lib/useragent");
  34. var TokenizerModule = require("../tokenizer");
  35. function patch(obj, name, regexp, replacement) {
  36. eval("obj['" + name + "']=" + obj[name].toString().replace(
  37. regexp, replacement
  38. ));
  39. }
  40. if (useragent.isIE && useragent.isIE < 10 && window.top.document.compatMode === "BackCompat")
  41. useragent.isOldIE = true;
  42. if (typeof document != "undefined" && !document.documentElement.querySelector) {
  43. useragent.isOldIE = true;
  44. var qs = function(el, selector) {
  45. if (selector.charAt(0) == ".") {
  46. var classNeme = selector.slice(1);
  47. } else {
  48. var m = selector.match(/(\w+)=(\w+)/);
  49. var attr = m && m[1];
  50. var attrVal = m && m[2];
  51. }
  52. for (var i = 0; i < el.all.length; i++) {
  53. var ch = el.all[i];
  54. if (classNeme) {
  55. if (ch.className.indexOf(classNeme) != -1)
  56. return ch;
  57. } else if (attr) {
  58. if (ch.getAttribute(attr) == attrVal)
  59. return ch;
  60. }
  61. }
  62. };
  63. var sb = require("./searchbox").SearchBox.prototype;
  64. patch(
  65. sb, "$initElements",
  66. /([^\s=]*).querySelector\((".*?")\)/g,
  67. "qs($1, $2)"
  68. );
  69. }
  70. var compliantExecNpcg = /()??/.exec("")[1] === undefined;
  71. if (compliantExecNpcg)
  72. return;
  73. var proto = TokenizerModule.Tokenizer.prototype;
  74. TokenizerModule.Tokenizer_orig = TokenizerModule.Tokenizer;
  75. proto.getLineTokens_orig = proto.getLineTokens;
  76. patch(
  77. TokenizerModule, "Tokenizer",
  78. "ruleRegExps.push(adjustedregex);\n",
  79. function(m) {
  80. return m + '\
  81. if (state[i].next && RegExp(adjustedregex).test(""))\n\
  82. rule._qre = RegExp(adjustedregex, "g");\n\
  83. ';
  84. }
  85. );
  86. TokenizerModule.Tokenizer.prototype = proto;
  87. patch(
  88. proto, "getLineTokens",
  89. /if \(match\[i \+ 1\] === undefined\)\s*continue;/,
  90. "if (!match[i + 1]) {\n\
  91. if (value)continue;\n\
  92. var qre = state[mapping[i]]._qre;\n\
  93. if (!qre) continue;\n\
  94. qre.lastIndex = lastIndex;\n\
  95. if (!qre.exec(line) || qre.lastIndex != lastIndex)\n\
  96. continue;\n\
  97. }"
  98. );
  99. patch(
  100. require("../mode/text").Mode.prototype, "getTokenizer",
  101. /Tokenizer/,
  102. "TokenizerModule.Tokenizer"
  103. );
  104. useragent.isOldIE = true;
  105. });