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1 /*!
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2 * Sizzle CSS Selector Engine v2.3.3
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3 * https://sizzlejs.com/
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4 *
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5 * Copyright jQuery Foundation and other contributors
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6 * Released under the MIT license
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7 * http://jquery.org/license
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8 *
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9 * Date: 2016-08-08
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10 */
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11 (function( window ) {
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12
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13 var i,
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14 support,
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15 Expr,
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16 getText,
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17 isXML,
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18 tokenize,
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19 compile,
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20 select,
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21 outermostContext,
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22 sortInput,
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23 hasDuplicate,
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24
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25 // Local document vars
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26 setDocument,
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27 document,
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28 docElem,
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29 documentIsHTML,
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30 rbuggyQSA,
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31 rbuggyMatches,
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32 matches,
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33 contains,
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34
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35 // Instance-specific data
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36 expando = "sizzle" + 1 * new Date(),
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37 preferredDoc = window.document,
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38 dirruns = 0,
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39 done = 0,
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40 classCache = createCache(),
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41 tokenCache = createCache(),
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42 compilerCache = createCache(),
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43 sortOrder = function( a, b ) {
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44 if ( a === b ) {
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45 hasDuplicate = true;
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46 }
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47 return 0;
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48 },
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49
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50 // Instance methods
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51 hasOwn = ({}).hasOwnProperty,
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52 arr = [],
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53 pop = arr.pop,
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54 push_native = arr.push,
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55 push = arr.push,
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56 slice = arr.slice,
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57 // Use a stripped-down indexOf as it's faster than native
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58 // https://jsperf.com/thor-indexof-vs-for/5
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59 indexOf = function( list, elem ) {
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60 var i = 0,
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61 len = list.length;
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62 for ( ; i < len; i++ ) {
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63 if ( list[i] === elem ) {
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64 return i;
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65 }
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66 }
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67 return -1;
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68 },
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69
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70 booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
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71
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72 // Regular expressions
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73
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74 // http://www.w3.org/TR/css3-selectors/#whitespace
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75 whitespace = "[\\x20\\t\\r\\n\\f]",
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76
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77 // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
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78 identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
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79
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80 // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
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81 attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
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82 // Operator (capture 2)
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83 "*([*^$|!~]?=)" + whitespace +
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84 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
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85 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
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86 "*\\]",
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87
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88 pseudos = ":(" + identifier + ")(?:\\((" +
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89 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
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90 // 1. quoted (capture 3; capture 4 or capture 5)
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91 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
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92 // 2. simple (capture 6)
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93 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
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94 // 3. anything else (capture 2)
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95 ".*" +
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96 ")\\)|)",
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97
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98 // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
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99 rwhitespace = new RegExp( whitespace + "+", "g" ),
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100 rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
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101
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102 rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
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103 rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
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104
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105 rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
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106
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107 rpseudo = new RegExp( pseudos ),
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108 ridentifier = new RegExp( "^" + identifier + "$" ),
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109
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110 matchExpr = {
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111 "ID": new RegExp( "^#(" + identifier + ")" ),
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112 "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
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113 "TAG": new RegExp( "^(" + identifier + "|[*])" ),
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114 "ATTR": new RegExp( "^" + attributes ),
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115 "PSEUDO": new RegExp( "^" + pseudos ),
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116 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
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117 "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
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118 "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
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119 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
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120 // For use in libraries implementing .is()
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121 // We use this for POS matching in `select`
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122 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
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123 whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
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124 },
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125
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126 rinputs = /^(?:input|select|textarea|button)$/i,
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127 rheader = /^h\d$/i,
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128
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129 rnative = /^[^{]+\{\s*\[native \w/,
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130
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131 // Easily-parseable/retrievable ID or TAG or CLASS selectors
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132 rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
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133
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134 rsibling = /[+~]/,
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135
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136 // CSS escapes
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137 // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
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138 runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
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139 funescape = function( _, escaped, escapedWhitespace ) {
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140 var high = "0x" + escaped - 0x10000;
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141 // NaN means non-codepoint
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142 // Support: Firefox<24
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143 // Workaround erroneous numeric interpretation of +"0x"
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144 return high !== high || escapedWhitespace ?
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145 escaped :
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146 high < 0 ?
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147 // BMP codepoint
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148 String.fromCharCode( high + 0x10000 ) :
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149 // Supplemental Plane codepoint (surrogate pair)
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150 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
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151 },
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152
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153 // CSS string/identifier serialization
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154 // https://drafts.csswg.org/cssom/#common-serializing-idioms
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155 rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
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156 fcssescape = function( ch, asCodePoint ) {
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157 if ( asCodePoint ) {
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158
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159 // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
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160 if ( ch === "\0" ) {
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161 return "\uFFFD";
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162 }
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163
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164 // Control characters and (dependent upon position) numbers get escaped as code points
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165 return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
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166 }
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167
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168 // Other potentially-special ASCII characters get backslash-escaped
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169 return "\\" + ch;
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170 },
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171
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172 // Used for iframes
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173 // See setDocument()
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174 // Removing the function wrapper causes a "Permission Denied"
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175 // error in IE
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176 unloadHandler = function() {
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177 setDocument();
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178 },
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179
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180 disabledAncestor = addCombinator(
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181 function( elem ) {
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182 return elem.disabled === true && ("form" in elem || "label" in elem);
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183 },
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184 { dir: "parentNode", next: "legend" }
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185 );
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186
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187 // Optimize for push.apply( _, NodeList )
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188 try {
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189 push.apply(
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190 (arr = slice.call( preferredDoc.childNodes )),
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191 preferredDoc.childNodes
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192 );
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193 // Support: Android<4.0
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194 // Detect silently failing push.apply
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195 arr[ preferredDoc.childNodes.length ].nodeType;
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196 } catch ( e ) {
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197 push = { apply: arr.length ?
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198
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199 // Leverage slice if possible
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200 function( target, els ) {
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201 push_native.apply( target, slice.call(els) );
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202 } :
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203
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204 // Support: IE<9
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205 // Otherwise append directly
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206 function( target, els ) {
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207 var j = target.length,
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208 i = 0;
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209 // Can't trust NodeList.length
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210 while ( (target[j++] = els[i++]) ) {}
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211 target.length = j - 1;
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212 }
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213 };
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214 }
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215
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216 function Sizzle( selector, context, results, seed ) {
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217 var m, i, elem, nid, match, groups, newSelector,
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218 newContext = context && context.ownerDocument,
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219
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220 // nodeType defaults to 9, since context defaults to document
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221 nodeType = context ? context.nodeType : 9;
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222
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223 results = results || [];
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224
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225 // Return early from calls with invalid selector or context
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226 if ( typeof selector !== "string" || !selector ||
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227 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
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228
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229 return results;
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230 }
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231
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232 // Try to shortcut find operations (as opposed to filters) in HTML documents
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233 if ( !seed ) {
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234
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235 if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
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236 setDocument( context );
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237 }
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238 context = context || document;
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239
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240 if ( documentIsHTML ) {
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241
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242 // If the selector is sufficiently simple, try using a "get*By*" DOM method
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243 // (excepting DocumentFragment context, where the methods don't exist)
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244 if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
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245
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246 // ID selector
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247 if ( (m = match[1]) ) {
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248
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249 // Document context
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250 if ( nodeType === 9 ) {
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251 if ( (elem = context.getElementById( m )) ) {
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252
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253 // Support: IE, Opera, Webkit
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254 // TODO: identify versions
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255 // getElementById can match elements by name instead of ID
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256 if ( elem.id === m ) {
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257 results.push( elem );
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258 return results;
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259 }
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260 } else {
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261 return results;
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262 }
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263
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264 // Element context
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265 } else {
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266
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267 // Support: IE, Opera, Webkit
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268 // TODO: identify versions
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269 // getElementById can match elements by name instead of ID
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270 if ( newContext && (elem = newContext.getElementById( m )) &&
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271 contains( context, elem ) &&
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272 elem.id === m ) {
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273
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274 results.push( elem );
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275 return results;
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276 }
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277 }
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278
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279 // Type selector
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280 } else if ( match[2] ) {
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281 push.apply( results, context.getElementsByTagName( selector ) );
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282 return results;
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283
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284 // Class selector
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285 } else if ( (m = match[3]) && support.getElementsByClassName &&
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286 context.getElementsByClassName ) {
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287
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288 push.apply( results, context.getElementsByClassName( m ) );
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289 return results;
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290 }
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291 }
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292
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293 // Take advantage of querySelectorAll
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294 if ( support.qsa &&
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295 !compilerCache[ selector + " " ] &&
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296 (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
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297
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298 if ( nodeType !== 1 ) {
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299 newContext = context;
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300 newSelector = selector;
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301
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302 // qSA looks outside Element context, which is not what we want
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303 // Thanks to Andrew Dupont for this workaround technique
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304 // Support: IE <=8
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305 // Exclude object elements
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306 } else if ( context.nodeName.toLowerCase() !== "object" ) {
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307
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308 // Capture the context ID, setting it first if necessary
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309 if ( (nid = context.getAttribute( "id" )) ) {
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310 nid = nid.replace( rcssescape, fcssescape );
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311 } else {
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312 context.setAttribute( "id", (nid = expando) );
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313 }
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314
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315 // Prefix every selector in the list
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316 groups = tokenize( selector );
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317 i = groups.length;
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318 while ( i-- ) {
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319 groups[i] = "#" + nid + " " + toSelector( groups[i] );
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320 }
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321 newSelector = groups.join( "," );
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322
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323 // Expand context for sibling selectors
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324 newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
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325 context;
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326 }
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327
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328 if ( newSelector ) {
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329 try {
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330 push.apply( results,
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331 newContext.querySelectorAll( newSelector )
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332 );
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333 return results;
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334 } catch ( qsaError ) {
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335 } finally {
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336 if ( nid === expando ) {
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337 context.removeAttribute( "id" );
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338 }
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339 }
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340 }
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341 }
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342 }
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343 }
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344
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345 // All others
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346 return select( selector.replace( rtrim, "$1" ), context, results, seed );
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347 }
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348
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349 /**
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350 * Create key-value caches of limited size
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351 * @returns {function(string, object)} Returns the Object data after storing it on itself with
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352 * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
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353 * deleting the oldest entry
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354 */
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355 function createCache() {
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356 var keys = [];
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357
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358 function cache( key, value ) {
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359 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
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360 if ( keys.push( key + " " ) > Expr.cacheLength ) {
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361 // Only keep the most recent entries
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362 delete cache[ keys.shift() ];
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363 }
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364 return (cache[ key + " " ] = value);
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365 }
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366 return cache;
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367 }
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368
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369 /**
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370 * Mark a function for special use by Sizzle
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371 * @param {Function} fn The function to mark
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372 */
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373 function markFunction( fn ) {
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374 fn[ expando ] = true;
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375 return fn;
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376 }
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377
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378 /**
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379 * Support testing using an element
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380 * @param {Function} fn Passed the created element and returns a boolean result
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381 */
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382 function assert( fn ) {
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383 var el = document.createElement("fieldset");
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384
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385 try {
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386 return !!fn( el );
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387 } catch (e) {
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388 return false;
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389 } finally {
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390 // Remove from its parent by default
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391 if ( el.parentNode ) {
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392 el.parentNode.removeChild( el );
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393 }
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394 // release memory in IE
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395 el = null;
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396 }
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397 }
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398
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399 /**
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400 * Adds the same handler for all of the specified attrs
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401 * @param {String} attrs Pipe-separated list of attributes
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402 * @param {Function} handler The method that will be applied
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403 */
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404 function addHandle( attrs, handler ) {
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405 var arr = attrs.split("|"),
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406 i = arr.length;
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407
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408 while ( i-- ) {
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409 Expr.attrHandle[ arr[i] ] = handler;
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410 }
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411 }
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412
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413 /**
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414 * Checks document order of two siblings
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415 * @param {Element} a
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|
|
416 * @param {Element} b
|
|
|
417 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
|
|
|
418 */
|
|
|
419 function siblingCheck( a, b ) {
|
|
|
420 var cur = b && a,
|
|
|
421 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
|
|
|
422 a.sourceIndex - b.sourceIndex;
|
|
|
423
|
|
|
424 // Use IE sourceIndex if available on both nodes
|
|
|
425 if ( diff ) {
|
|
|
426 return diff;
|
|
|
427 }
|
|
|
428
|
|
|
429 // Check if b follows a
|
|
|
430 if ( cur ) {
|
|
|
431 while ( (cur = cur.nextSibling) ) {
|
|
|
432 if ( cur === b ) {
|
|
|
433 return -1;
|
|
|
434 }
|
|
|
435 }
|
|
|
436 }
|
|
|
437
|
|
|
438 return a ? 1 : -1;
|
|
|
439 }
|
|
|
440
|
|
|
441 /**
|
|
|
442 * Returns a function to use in pseudos for input types
|
|
|
443 * @param {String} type
|
|
|
444 */
|
|
|
445 function createInputPseudo( type ) {
|
|
|
446 return function( elem ) {
|
|
|
447 var name = elem.nodeName.toLowerCase();
|
|
|
448 return name === "input" && elem.type === type;
|
|
|
449 };
|
|
|
450 }
|
|
|
451
|
|
|
452 /**
|
|
|
453 * Returns a function to use in pseudos for buttons
|
|
|
454 * @param {String} type
|
|
|
455 */
|
|
|
456 function createButtonPseudo( type ) {
|
|
|
457 return function( elem ) {
|
|
|
458 var name = elem.nodeName.toLowerCase();
|
|
|
459 return (name === "input" || name === "button") && elem.type === type;
|
|
|
460 };
|
|
|
461 }
|
|
|
462
|
|
|
463 /**
|
|
|
464 * Returns a function to use in pseudos for :enabled/:disabled
|
|
|
465 * @param {Boolean} disabled true for :disabled; false for :enabled
|
|
|
466 */
|
|
|
467 function createDisabledPseudo( disabled ) {
|
|
|
468
|
|
|
469 // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
|
|
|
470 return function( elem ) {
|
|
|
471
|
|
|
472 // Only certain elements can match :enabled or :disabled
|
|
|
473 // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
|
|
|
474 // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
|
|
|
475 if ( "form" in elem ) {
|
|
|
476
|
|
|
477 // Check for inherited disabledness on relevant non-disabled elements:
|
|
|
478 // * listed form-associated elements in a disabled fieldset
|
|
|
479 // https://html.spec.whatwg.org/multipage/forms.html#category-listed
|
|
|
480 // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
|
|
|
481 // * option elements in a disabled optgroup
|
|
|
482 // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
|
|
|
483 // All such elements have a "form" property.
|
|
|
484 if ( elem.parentNode && elem.disabled === false ) {
|
|
|
485
|
|
|
486 // Option elements defer to a parent optgroup if present
|
|
|
487 if ( "label" in elem ) {
|
|
|
488 if ( "label" in elem.parentNode ) {
|
|
|
489 return elem.parentNode.disabled === disabled;
|
|
|
490 } else {
|
|
|
491 return elem.disabled === disabled;
|
|
|
492 }
|
|
|
493 }
|
|
|
494
|
|
|
495 // Support: IE 6 - 11
|
|
|
496 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
|
|
|
497 return elem.isDisabled === disabled ||
|
|
|
498
|
|
|
499 // Where there is no isDisabled, check manually
|
|
|
500 /* jshint -W018 */
|
|
|
501 elem.isDisabled !== !disabled &&
|
|
|
502 disabledAncestor( elem ) === disabled;
|
|
|
503 }
|
|
|
504
|
|
|
505 return elem.disabled === disabled;
|
|
|
506
|
|
|
507 // Try to winnow out elements that can't be disabled before trusting the disabled property.
|
|
|
508 // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
|
|
|
509 // even exist on them, let alone have a boolean value.
|
|
|
510 } else if ( "label" in elem ) {
|
|
|
511 return elem.disabled === disabled;
|
|
|
512 }
|
|
|
513
|
|
|
514 // Remaining elements are neither :enabled nor :disabled
|
|
|
515 return false;
|
|
|
516 };
|
|
|
517 }
|
|
|
518
|
|
|
519 /**
|
|
|
520 * Returns a function to use in pseudos for positionals
|
|
|
521 * @param {Function} fn
|
|
|
522 */
|
|
|
523 function createPositionalPseudo( fn ) {
|
|
|
524 return markFunction(function( argument ) {
|
|
|
525 argument = +argument;
|
|
|
526 return markFunction(function( seed, matches ) {
|
|
|
527 var j,
|
|
|
528 matchIndexes = fn( [], seed.length, argument ),
|
|
|
529 i = matchIndexes.length;
|
|
|
530
|
|
|
531 // Match elements found at the specified indexes
|
|
|
532 while ( i-- ) {
|
|
|
533 if ( seed[ (j = matchIndexes[i]) ] ) {
|
|
|
534 seed[j] = !(matches[j] = seed[j]);
|
|
|
535 }
|
|
|
536 }
|
|
|
537 });
|
|
|
538 });
|
|
|
539 }
|
|
|
540
|
|
|
541 /**
|
|
|
542 * Checks a node for validity as a Sizzle context
|
|
|
543 * @param {Element|Object=} context
|
|
|
544 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
|
|
|
545 */
|
|
|
546 function testContext( context ) {
|
|
|
547 return context && typeof context.getElementsByTagName !== "undefined" && context;
|
|
|
548 }
|
|
|
549
|
|
|
550 // Expose support vars for convenience
|
|
|
551 support = Sizzle.support = {};
|
|
|
552
|
|
|
553 /**
|
|
|
554 * Detects XML nodes
|
|
|
555 * @param {Element|Object} elem An element or a document
|
|
|
556 * @returns {Boolean} True iff elem is a non-HTML XML node
|
|
|
557 */
|
|
|
558 isXML = Sizzle.isXML = function( elem ) {
|
|
|
559 // documentElement is verified for cases where it doesn't yet exist
|
|
|
560 // (such as loading iframes in IE - #4833)
|
|
|
561 var documentElement = elem && (elem.ownerDocument || elem).documentElement;
|
|
|
562 return documentElement ? documentElement.nodeName !== "HTML" : false;
|
|
|
563 };
|
|
|
564
|
|
|
565 /**
|
|
|
566 * Sets document-related variables once based on the current document
|
|
|
567 * @param {Element|Object} [doc] An element or document object to use to set the document
|
|
|
568 * @returns {Object} Returns the current document
|
|
|
569 */
|
|
|
570 setDocument = Sizzle.setDocument = function( node ) {
|
|
|
571 var hasCompare, subWindow,
|
|
|
572 doc = node ? node.ownerDocument || node : preferredDoc;
|
|
|
573
|
|
|
574 // Return early if doc is invalid or already selected
|
|
|
575 if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
|
|
|
576 return document;
|
|
|
577 }
|
|
|
578
|
|
|
579 // Update global variables
|
|
|
580 document = doc;
|
|
|
581 docElem = document.documentElement;
|
|
|
582 documentIsHTML = !isXML( document );
|
|
|
583
|
|
|
584 // Support: IE 9-11, Edge
|
|
|
585 // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
|
|
|
586 if ( preferredDoc !== document &&
|
|
|
587 (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
|
|
|
588
|
|
|
589 // Support: IE 11, Edge
|
|
|
590 if ( subWindow.addEventListener ) {
|
|
|
591 subWindow.addEventListener( "unload", unloadHandler, false );
|
|
|
592
|
|
|
593 // Support: IE 9 - 10 only
|
|
|
594 } else if ( subWindow.attachEvent ) {
|
|
|
595 subWindow.attachEvent( "onunload", unloadHandler );
|
|
|
596 }
|
|
|
597 }
|
|
|
598
|
|
|
599 /* Attributes
|
|
|
600 ---------------------------------------------------------------------- */
|
|
|
601
|
|
|
602 // Support: IE<8
|
|
|
603 // Verify that getAttribute really returns attributes and not properties
|
|
|
604 // (excepting IE8 booleans)
|
|
|
605 support.attributes = assert(function( el ) {
|
|
|
606 el.className = "i";
|
|
|
607 return !el.getAttribute("className");
|
|
|
608 });
|
|
|
609
|
|
|
610 /* getElement(s)By*
|
|
|
611 ---------------------------------------------------------------------- */
|
|
|
612
|
|
|
613 // Check if getElementsByTagName("*") returns only elements
|
|
|
614 support.getElementsByTagName = assert(function( el ) {
|
|
|
615 el.appendChild( document.createComment("") );
|
|
|
616 return !el.getElementsByTagName("*").length;
|
|
|
617 });
|
|
|
618
|
|
|
619 // Support: IE<9
|
|
|
620 support.getElementsByClassName = rnative.test( document.getElementsByClassName );
|
|
|
621
|
|
|
622 // Support: IE<10
|
|
|
623 // Check if getElementById returns elements by name
|
|
|
624 // The broken getElementById methods don't pick up programmatically-set names,
|
|
|
625 // so use a roundabout getElementsByName test
|
|
|
626 support.getById = assert(function( el ) {
|
|
|
627 docElem.appendChild( el ).id = expando;
|
|
|
628 return !document.getElementsByName || !document.getElementsByName( expando ).length;
|
|
|
629 });
|
|
|
630
|
|
|
631 // ID filter and find
|
|
|
632 if ( support.getById ) {
|
|
|
633 Expr.filter["ID"] = function( id ) {
|
|
|
634 var attrId = id.replace( runescape, funescape );
|
|
|
635 return function( elem ) {
|
|
|
636 return elem.getAttribute("id") === attrId;
|
|
|
637 };
|
|
|
638 };
|
|
|
639 Expr.find["ID"] = function( id, context ) {
|
|
|
640 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
|
|
|
641 var elem = context.getElementById( id );
|
|
|
642 return elem ? [ elem ] : [];
|
|
|
643 }
|
|
|
644 };
|
|
|
645 } else {
|
|
|
646 Expr.filter["ID"] = function( id ) {
|
|
|
647 var attrId = id.replace( runescape, funescape );
|
|
|
648 return function( elem ) {
|
|
|
649 var node = typeof elem.getAttributeNode !== "undefined" &&
|
|
|
650 elem.getAttributeNode("id");
|
|
|
651 return node && node.value === attrId;
|
|
|
652 };
|
|
|
653 };
|
|
|
654
|
|
|
655 // Support: IE 6 - 7 only
|
|
|
656 // getElementById is not reliable as a find shortcut
|
|
|
657 Expr.find["ID"] = function( id, context ) {
|
|
|
658 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
|
|
|
659 var node, i, elems,
|
|
|
660 elem = context.getElementById( id );
|
|
|
661
|
|
|
662 if ( elem ) {
|
|
|
663
|
|
|
664 // Verify the id attribute
|
|
|
665 node = elem.getAttributeNode("id");
|
|
|
666 if ( node && node.value === id ) {
|
|
|
667 return [ elem ];
|
|
|
668 }
|
|
|
669
|
|
|
670 // Fall back on getElementsByName
|
|
|
671 elems = context.getElementsByName( id );
|
|
|
672 i = 0;
|
|
|
673 while ( (elem = elems[i++]) ) {
|
|
|
674 node = elem.getAttributeNode("id");
|
|
|
675 if ( node && node.value === id ) {
|
|
|
676 return [ elem ];
|
|
|
677 }
|
|
|
678 }
|
|
|
679 }
|
|
|
680
|
|
|
681 return [];
|
|
|
682 }
|
|
|
683 };
|
|
|
684 }
|
|
|
685
|
|
|
686 // Tag
|
|
|
687 Expr.find["TAG"] = support.getElementsByTagName ?
|
|
|
688 function( tag, context ) {
|
|
|
689 if ( typeof context.getElementsByTagName !== "undefined" ) {
|
|
|
690 return context.getElementsByTagName( tag );
|
|
|
691
|
|
|
692 // DocumentFragment nodes don't have gEBTN
|
|
|
693 } else if ( support.qsa ) {
|
|
|
694 return context.querySelectorAll( tag );
|
|
|
695 }
|
|
|
696 } :
|
|
|
697
|
|
|
698 function( tag, context ) {
|
|
|
699 var elem,
|
|
|
700 tmp = [],
|
|
|
701 i = 0,
|
|
|
702 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
|
|
|
703 results = context.getElementsByTagName( tag );
|
|
|
704
|
|
|
705 // Filter out possible comments
|
|
|
706 if ( tag === "*" ) {
|
|
|
707 while ( (elem = results[i++]) ) {
|
|
|
708 if ( elem.nodeType === 1 ) {
|
|
|
709 tmp.push( elem );
|
|
|
710 }
|
|
|
711 }
|
|
|
712
|
|
|
713 return tmp;
|
|
|
714 }
|
|
|
715 return results;
|
|
|
716 };
|
|
|
717
|
|
|
718 // Class
|
|
|
719 Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
|
|
|
720 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
|
|
|
721 return context.getElementsByClassName( className );
|
|
|
722 }
|
|
|
723 };
|
|
|
724
|
|
|
725 /* QSA/matchesSelector
|
|
|
726 ---------------------------------------------------------------------- */
|
|
|
727
|
|
|
728 // QSA and matchesSelector support
|
|
|
729
|
|
|
730 // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
|
|
|
731 rbuggyMatches = [];
|
|
|
732
|
|
|
733 // qSa(:focus) reports false when true (Chrome 21)
|
|
|
734 // We allow this because of a bug in IE8/9 that throws an error
|
|
|
735 // whenever `document.activeElement` is accessed on an iframe
|
|
|
736 // So, we allow :focus to pass through QSA all the time to avoid the IE error
|
|
|
737 // See https://bugs.jquery.com/ticket/13378
|
|
|
738 rbuggyQSA = [];
|
|
|
739
|
|
|
740 if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
|
|
|
741 // Build QSA regex
|
|
|
742 // Regex strategy adopted from Diego Perini
|
|
|
743 assert(function( el ) {
|
|
|
744 // Select is set to empty string on purpose
|
|
|
745 // This is to test IE's treatment of not explicitly
|
|
|
746 // setting a boolean content attribute,
|
|
|
747 // since its presence should be enough
|
|
|
748 // https://bugs.jquery.com/ticket/12359
|
|
|
749 docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
|
|
|
750 "<select id='" + expando + "-\r\\' msallowcapture=''>" +
|
|
|
751 "<option selected=''></option></select>";
|
|
|
752
|
|
|
753 // Support: IE8, Opera 11-12.16
|
|
|
754 // Nothing should be selected when empty strings follow ^= or $= or *=
|
|
|
755 // The test attribute must be unknown in Opera but "safe" for WinRT
|
|
|
756 // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
|
|
|
757 if ( el.querySelectorAll("[msallowcapture^='']").length ) {
|
|
|
758 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
|
|
|
759 }
|
|
|
760
|
|
|
761 // Support: IE8
|
|
|
762 // Boolean attributes and "value" are not treated correctly
|
|
|
763 if ( !el.querySelectorAll("[selected]").length ) {
|
|
|
764 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
|
|
|
765 }
|
|
|
766
|
|
|
767 // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
|
|
|
768 if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
|
|
|
769 rbuggyQSA.push("~=");
|
|
|
770 }
|
|
|
771
|
|
|
772 // Webkit/Opera - :checked should return selected option elements
|
|
|
773 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
|
|
|
774 // IE8 throws error here and will not see later tests
|
|
|
775 if ( !el.querySelectorAll(":checked").length ) {
|
|
|
776 rbuggyQSA.push(":checked");
|
|
|
777 }
|
|
|
778
|
|
|
779 // Support: Safari 8+, iOS 8+
|
|
|
780 // https://bugs.webkit.org/show_bug.cgi?id=136851
|
|
|
781 // In-page `selector#id sibling-combinator selector` fails
|
|
|
782 if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
|
|
|
783 rbuggyQSA.push(".#.+[+~]");
|
|
|
784 }
|
|
|
785 });
|
|
|
786
|
|
|
787 assert(function( el ) {
|
|
|
788 el.innerHTML = "<a href='' disabled='disabled'></a>" +
|
|
|
789 "<select disabled='disabled'><option/></select>";
|
|
|
790
|
|
|
791 // Support: Windows 8 Native Apps
|
|
|
792 // The type and name attributes are restricted during .innerHTML assignment
|
|
|
793 var input = document.createElement("input");
|
|
|
794 input.setAttribute( "type", "hidden" );
|
|
|
795 el.appendChild( input ).setAttribute( "name", "D" );
|
|
|
796
|
|
|
797 // Support: IE8
|
|
|
798 // Enforce case-sensitivity of name attribute
|
|
|
799 if ( el.querySelectorAll("[name=d]").length ) {
|
|
|
800 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
|
|
|
801 }
|
|
|
802
|
|
|
803 // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
|
|
|
804 // IE8 throws error here and will not see later tests
|
|
|
805 if ( el.querySelectorAll(":enabled").length !== 2 ) {
|
|
|
806 rbuggyQSA.push( ":enabled", ":disabled" );
|
|
|
807 }
|
|
|
808
|
|
|
809 // Support: IE9-11+
|
|
|
810 // IE's :disabled selector does not pick up the children of disabled fieldsets
|
|
|
811 docElem.appendChild( el ).disabled = true;
|
|
|
812 if ( el.querySelectorAll(":disabled").length !== 2 ) {
|
|
|
813 rbuggyQSA.push( ":enabled", ":disabled" );
|
|
|
814 }
|
|
|
815
|
|
|
816 // Opera 10-11 does not throw on post-comma invalid pseudos
|
|
|
817 el.querySelectorAll("*,:x");
|
|
|
818 rbuggyQSA.push(",.*:");
|
|
|
819 });
|
|
|
820 }
|
|
|
821
|
|
|
822 if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
|
|
|
823 docElem.webkitMatchesSelector ||
|
|
|
824 docElem.mozMatchesSelector ||
|
|
|
825 docElem.oMatchesSelector ||
|
|
|
826 docElem.msMatchesSelector) )) ) {
|
|
|
827
|
|
|
828 assert(function( el ) {
|
|
|
829 // Check to see if it's possible to do matchesSelector
|
|
|
830 // on a disconnected node (IE 9)
|
|
|
831 support.disconnectedMatch = matches.call( el, "*" );
|
|
|
832
|
|
|
833 // This should fail with an exception
|
|
|
834 // Gecko does not error, returns false instead
|
|
|
835 matches.call( el, "[s!='']:x" );
|
|
|
836 rbuggyMatches.push( "!=", pseudos );
|
|
|
837 });
|
|
|
838 }
|
|
|
839
|
|
|
840 rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
|
|
|
841 rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
|
|
|
842
|
|
|
843 /* Contains
|
|
|
844 ---------------------------------------------------------------------- */
|
|
|
845 hasCompare = rnative.test( docElem.compareDocumentPosition );
|
|
|
846
|
|
|
847 // Element contains another
|
|
|
848 // Purposefully self-exclusive
|
|
|
849 // As in, an element does not contain itself
|
|
|
850 contains = hasCompare || rnative.test( docElem.contains ) ?
|
|
|
851 function( a, b ) {
|
|
|
852 var adown = a.nodeType === 9 ? a.documentElement : a,
|
|
|
853 bup = b && b.parentNode;
|
|
|
854 return a === bup || !!( bup && bup.nodeType === 1 && (
|
|
|
855 adown.contains ?
|
|
|
856 adown.contains( bup ) :
|
|
|
857 a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
|
|
|
858 ));
|
|
|
859 } :
|
|
|
860 function( a, b ) {
|
|
|
861 if ( b ) {
|
|
|
862 while ( (b = b.parentNode) ) {
|
|
|
863 if ( b === a ) {
|
|
|
864 return true;
|
|
|
865 }
|
|
|
866 }
|
|
|
867 }
|
|
|
868 return false;
|
|
|
869 };
|
|
|
870
|
|
|
871 /* Sorting
|
|
|
872 ---------------------------------------------------------------------- */
|
|
|
873
|
|
|
874 // Document order sorting
|
|
|
875 sortOrder = hasCompare ?
|
|
|
876 function( a, b ) {
|
|
|
877
|
|
|
878 // Flag for duplicate removal
|
|
|
879 if ( a === b ) {
|
|
|
880 hasDuplicate = true;
|
|
|
881 return 0;
|
|
|
882 }
|
|
|
883
|
|
|
884 // Sort on method existence if only one input has compareDocumentPosition
|
|
|
885 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
|
|
|
886 if ( compare ) {
|
|
|
887 return compare;
|
|
|
888 }
|
|
|
889
|
|
|
890 // Calculate position if both inputs belong to the same document
|
|
|
891 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
|
|
|
892 a.compareDocumentPosition( b ) :
|
|
|
893
|
|
|
894 // Otherwise we know they are disconnected
|
|
|
895 1;
|
|
|
896
|
|
|
897 // Disconnected nodes
|
|
|
898 if ( compare & 1 ||
|
|
|
899 (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
|
|
|
900
|
|
|
901 // Choose the first element that is related to our preferred document
|
|
|
902 if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
|
|
|
903 return -1;
|
|
|
904 }
|
|
|
905 if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
|
|
|
906 return 1;
|
|
|
907 }
|
|
|
908
|
|
|
909 // Maintain original order
|
|
|
910 return sortInput ?
|
|
|
911 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
|
|
|
912 0;
|
|
|
913 }
|
|
|
914
|
|
|
915 return compare & 4 ? -1 : 1;
|
|
|
916 } :
|
|
|
917 function( a, b ) {
|
|
|
918 // Exit early if the nodes are identical
|
|
|
919 if ( a === b ) {
|
|
|
920 hasDuplicate = true;
|
|
|
921 return 0;
|
|
|
922 }
|
|
|
923
|
|
|
924 var cur,
|
|
|
925 i = 0,
|
|
|
926 aup = a.parentNode,
|
|
|
927 bup = b.parentNode,
|
|
|
928 ap = [ a ],
|
|
|
929 bp = [ b ];
|
|
|
930
|
|
|
931 // Parentless nodes are either documents or disconnected
|
|
|
932 if ( !aup || !bup ) {
|
|
|
933 return a === document ? -1 :
|
|
|
934 b === document ? 1 :
|
|
|
935 aup ? -1 :
|
|
|
936 bup ? 1 :
|
|
|
937 sortInput ?
|
|
|
938 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
|
|
|
939 0;
|
|
|
940
|
|
|
941 // If the nodes are siblings, we can do a quick check
|
|
|
942 } else if ( aup === bup ) {
|
|
|
943 return siblingCheck( a, b );
|
|
|
944 }
|
|
|
945
|
|
|
946 // Otherwise we need full lists of their ancestors for comparison
|
|
|
947 cur = a;
|
|
|
948 while ( (cur = cur.parentNode) ) {
|
|
|
949 ap.unshift( cur );
|
|
|
950 }
|
|
|
951 cur = b;
|
|
|
952 while ( (cur = cur.parentNode) ) {
|
|
|
953 bp.unshift( cur );
|
|
|
954 }
|
|
|
955
|
|
|
956 // Walk down the tree looking for a discrepancy
|
|
|
957 while ( ap[i] === bp[i] ) {
|
|
|
958 i++;
|
|
|
959 }
|
|
|
960
|
|
|
961 return i ?
|
|
|
962 // Do a sibling check if the nodes have a common ancestor
|
|
|
963 siblingCheck( ap[i], bp[i] ) :
|
|
|
964
|
|
|
965 // Otherwise nodes in our document sort first
|
|
|
966 ap[i] === preferredDoc ? -1 :
|
|
|
967 bp[i] === preferredDoc ? 1 :
|
|
|
968 0;
|
|
|
969 };
|
|
|
970
|
|
|
971 return document;
|
|
|
972 };
|
|
|
973
|
|
|
974 Sizzle.matches = function( expr, elements ) {
|
|
|
975 return Sizzle( expr, null, null, elements );
|
|
|
976 };
|
|
|
977
|
|
|
978 Sizzle.matchesSelector = function( elem, expr ) {
|
|
|
979 // Set document vars if needed
|
|
|
980 if ( ( elem.ownerDocument || elem ) !== document ) {
|
|
|
981 setDocument( elem );
|
|
|
982 }
|
|
|
983
|
|
|
984 // Make sure that attribute selectors are quoted
|
|
|
985 expr = expr.replace( rattributeQuotes, "='$1']" );
|
|
|
986
|
|
|
987 if ( support.matchesSelector && documentIsHTML &&
|
|
|
988 !compilerCache[ expr + " " ] &&
|
|
|
989 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
|
|
|
990 ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
|
|
|
991
|
|
|
992 try {
|
|
|
993 var ret = matches.call( elem, expr );
|
|
|
994
|
|
|
995 // IE 9's matchesSelector returns false on disconnected nodes
|
|
|
996 if ( ret || support.disconnectedMatch ||
|
|
|
997 // As well, disconnected nodes are said to be in a document
|
|
|
998 // fragment in IE 9
|
|
|
999 elem.document && elem.document.nodeType !== 11 ) {
|
|
|
1000 return ret;
|
|
|
1001 }
|
|
|
1002 } catch (e) {}
|
|
|
1003 }
|
|
|
1004
|
|
|
1005 return Sizzle( expr, document, null, [ elem ] ).length > 0;
|
|
|
1006 };
|
|
|
1007
|
|
|
1008 Sizzle.contains = function( context, elem ) {
|
|
|
1009 // Set document vars if needed
|
|
|
1010 if ( ( context.ownerDocument || context ) !== document ) {
|
|
|
1011 setDocument( context );
|
|
|
1012 }
|
|
|
1013 return contains( context, elem );
|
|
|
1014 };
|
|
|
1015
|
|
|
1016 Sizzle.attr = function( elem, name ) {
|
|
|
1017 // Set document vars if needed
|
|
|
1018 if ( ( elem.ownerDocument || elem ) !== document ) {
|
|
|
1019 setDocument( elem );
|
|
|
1020 }
|
|
|
1021
|
|
|
1022 var fn = Expr.attrHandle[ name.toLowerCase() ],
|
|
|
1023 // Don't get fooled by Object.prototype properties (jQuery #13807)
|
|
|
1024 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
|
|
|
1025 fn( elem, name, !documentIsHTML ) :
|
|
|
1026 undefined;
|
|
|
1027
|
|
|
1028 return val !== undefined ?
|
|
|
1029 val :
|
|
|
1030 support.attributes || !documentIsHTML ?
|
|
|
1031 elem.getAttribute( name ) :
|
|
|
1032 (val = elem.getAttributeNode(name)) && val.specified ?
|
|
|
1033 val.value :
|
|
|
1034 null;
|
|
|
1035 };
|
|
|
1036
|
|
|
1037 Sizzle.escape = function( sel ) {
|
|
|
1038 return (sel + "").replace( rcssescape, fcssescape );
|
|
|
1039 };
|
|
|
1040
|
|
|
1041 Sizzle.error = function( msg ) {
|
|
|
1042 throw new Error( "Syntax error, unrecognized expression: " + msg );
|
|
|
1043 };
|
|
|
1044
|
|
|
1045 /**
|
|
|
1046 * Document sorting and removing duplicates
|
|
|
1047 * @param {ArrayLike} results
|
|
|
1048 */
|
|
|
1049 Sizzle.uniqueSort = function( results ) {
|
|
|
1050 var elem,
|
|
|
1051 duplicates = [],
|
|
|
1052 j = 0,
|
|
|
1053 i = 0;
|
|
|
1054
|
|
|
1055 // Unless we *know* we can detect duplicates, assume their presence
|
|
|
1056 hasDuplicate = !support.detectDuplicates;
|
|
|
1057 sortInput = !support.sortStable && results.slice( 0 );
|
|
|
1058 results.sort( sortOrder );
|
|
|
1059
|
|
|
1060 if ( hasDuplicate ) {
|
|
|
1061 while ( (elem = results[i++]) ) {
|
|
|
1062 if ( elem === results[ i ] ) {
|
|
|
1063 j = duplicates.push( i );
|
|
|
1064 }
|
|
|
1065 }
|
|
|
1066 while ( j-- ) {
|
|
|
1067 results.splice( duplicates[ j ], 1 );
|
|
|
1068 }
|
|
|
1069 }
|
|
|
1070
|
|
|
1071 // Clear input after sorting to release objects
|
|
|
1072 // See https://github.com/jquery/sizzle/pull/225
|
|
|
1073 sortInput = null;
|
|
|
1074
|
|
|
1075 return results;
|
|
|
1076 };
|
|
|
1077
|
|
|
1078 /**
|
|
|
1079 * Utility function for retrieving the text value of an array of DOM nodes
|
|
|
1080 * @param {Array|Element} elem
|
|
|
1081 */
|
|
|
1082 getText = Sizzle.getText = function( elem ) {
|
|
|
1083 var node,
|
|
|
1084 ret = "",
|
|
|
1085 i = 0,
|
|
|
1086 nodeType = elem.nodeType;
|
|
|
1087
|
|
|
1088 if ( !nodeType ) {
|
|
|
1089 // If no nodeType, this is expected to be an array
|
|
|
1090 while ( (node = elem[i++]) ) {
|
|
|
1091 // Do not traverse comment nodes
|
|
|
1092 ret += getText( node );
|
|
|
1093 }
|
|
|
1094 } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
|
|
|
1095 // Use textContent for elements
|
|
|
1096 // innerText usage removed for consistency of new lines (jQuery #11153)
|
|
|
1097 if ( typeof elem.textContent === "string" ) {
|
|
|
1098 return elem.textContent;
|
|
|
1099 } else {
|
|
|
1100 // Traverse its children
|
|
|
1101 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
|
|
|
1102 ret += getText( elem );
|
|
|
1103 }
|
|
|
1104 }
|
|
|
1105 } else if ( nodeType === 3 || nodeType === 4 ) {
|
|
|
1106 return elem.nodeValue;
|
|
|
1107 }
|
|
|
1108 // Do not include comment or processing instruction nodes
|
|
|
1109
|
|
|
1110 return ret;
|
|
|
1111 };
|
|
|
1112
|
|
|
1113 Expr = Sizzle.selectors = {
|
|
|
1114
|
|
|
1115 // Can be adjusted by the user
|
|
|
1116 cacheLength: 50,
|
|
|
1117
|
|
|
1118 createPseudo: markFunction,
|
|
|
1119
|
|
|
1120 match: matchExpr,
|
|
|
1121
|
|
|
1122 attrHandle: {},
|
|
|
1123
|
|
|
1124 find: {},
|
|
|
1125
|
|
|
1126 relative: {
|
|
|
1127 ">": { dir: "parentNode", first: true },
|
|
|
1128 " ": { dir: "parentNode" },
|
|
|
1129 "+": { dir: "previousSibling", first: true },
|
|
|
1130 "~": { dir: "previousSibling" }
|
|
|
1131 },
|
|
|
1132
|
|
|
1133 preFilter: {
|
|
|
1134 "ATTR": function( match ) {
|
|
|
1135 match[1] = match[1].replace( runescape, funescape );
|
|
|
1136
|
|
|
1137 // Move the given value to match[3] whether quoted or unquoted
|
|
|
1138 match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
|
|
|
1139
|
|
|
1140 if ( match[2] === "~=" ) {
|
|
|
1141 match[3] = " " + match[3] + " ";
|
|
|
1142 }
|
|
|
1143
|
|
|
1144 return match.slice( 0, 4 );
|
|
|
1145 },
|
|
|
1146
|
|
|
1147 "CHILD": function( match ) {
|
|
|
1148 /* matches from matchExpr["CHILD"]
|
|
|
1149 1 type (only|nth|...)
|
|
|
1150 2 what (child|of-type)
|
|
|
1151 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
|
|
|
1152 4 xn-component of xn+y argument ([+-]?\d*n|)
|
|
|
1153 5 sign of xn-component
|
|
|
1154 6 x of xn-component
|
|
|
1155 7 sign of y-component
|
|
|
1156 8 y of y-component
|
|
|
1157 */
|
|
|
1158 match[1] = match[1].toLowerCase();
|
|
|
1159
|
|
|
1160 if ( match[1].slice( 0, 3 ) === "nth" ) {
|
|
|
1161 // nth-* requires argument
|
|
|
1162 if ( !match[3] ) {
|
|
|
1163 Sizzle.error( match[0] );
|
|
|
1164 }
|
|
|
1165
|
|
|
1166 // numeric x and y parameters for Expr.filter.CHILD
|
|
|
1167 // remember that false/true cast respectively to 0/1
|
|
|
1168 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
|
|
|
1169 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
|
|
|
1170
|
|
|
1171 // other types prohibit arguments
|
|
|
1172 } else if ( match[3] ) {
|
|
|
1173 Sizzle.error( match[0] );
|
|
|
1174 }
|
|
|
1175
|
|
|
1176 return match;
|
|
|
1177 },
|
|
|
1178
|
|
|
1179 "PSEUDO": function( match ) {
|
|
|
1180 var excess,
|
|
|
1181 unquoted = !match[6] && match[2];
|
|
|
1182
|
|
|
1183 if ( matchExpr["CHILD"].test( match[0] ) ) {
|
|
|
1184 return null;
|
|
|
1185 }
|
|
|
1186
|
|
|
1187 // Accept quoted arguments as-is
|
|
|
1188 if ( match[3] ) {
|
|
|
1189 match[2] = match[4] || match[5] || "";
|
|
|
1190
|
|
|
1191 // Strip excess characters from unquoted arguments
|
|
|
1192 } else if ( unquoted && rpseudo.test( unquoted ) &&
|
|
|
1193 // Get excess from tokenize (recursively)
|
|
|
1194 (excess = tokenize( unquoted, true )) &&
|
|
|
1195 // advance to the next closing parenthesis
|
|
|
1196 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
|
|
|
1197
|
|
|
1198 // excess is a negative index
|
|
|
1199 match[0] = match[0].slice( 0, excess );
|
|
|
1200 match[2] = unquoted.slice( 0, excess );
|
|
|
1201 }
|
|
|
1202
|
|
|
1203 // Return only captures needed by the pseudo filter method (type and argument)
|
|
|
1204 return match.slice( 0, 3 );
|
|
|
1205 }
|
|
|
1206 },
|
|
|
1207
|
|
|
1208 filter: {
|
|
|
1209
|
|
|
1210 "TAG": function( nodeNameSelector ) {
|
|
|
1211 var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
|
|
|
1212 return nodeNameSelector === "*" ?
|
|
|
1213 function() { return true; } :
|
|
|
1214 function( elem ) {
|
|
|
1215 return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
|
|
|
1216 };
|
|
|
1217 },
|
|
|
1218
|
|
|
1219 "CLASS": function( className ) {
|
|
|
1220 var pattern = classCache[ className + " " ];
|
|
|
1221
|
|
|
1222 return pattern ||
|
|
|
1223 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
|
|
|
1224 classCache( className, function( elem ) {
|
|
|
1225 return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
|
|
|
1226 });
|
|
|
1227 },
|
|
|
1228
|
|
|
1229 "ATTR": function( name, operator, check ) {
|
|
|
1230 return function( elem ) {
|
|
|
1231 var result = Sizzle.attr( elem, name );
|
|
|
1232
|
|
|
1233 if ( result == null ) {
|
|
|
1234 return operator === "!=";
|
|
|
1235 }
|
|
|
1236 if ( !operator ) {
|
|
|
1237 return true;
|
|
|
1238 }
|
|
|
1239
|
|
|
1240 result += "";
|
|
|
1241
|
|
|
1242 return operator === "=" ? result === check :
|
|
|
1243 operator === "!=" ? result !== check :
|
|
|
1244 operator === "^=" ? check && result.indexOf( check ) === 0 :
|
|
|
1245 operator === "*=" ? check && result.indexOf( check ) > -1 :
|
|
|
1246 operator === "$=" ? check && result.slice( -check.length ) === check :
|
|
|
1247 operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
|
|
|
1248 operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
|
|
|
1249 false;
|
|
|
1250 };
|
|
|
1251 },
|
|
|
1252
|
|
|
1253 "CHILD": function( type, what, argument, first, last ) {
|
|
|
1254 var simple = type.slice( 0, 3 ) !== "nth",
|
|
|
1255 forward = type.slice( -4 ) !== "last",
|
|
|
1256 ofType = what === "of-type";
|
|
|
1257
|
|
|
1258 return first === 1 && last === 0 ?
|
|
|
1259
|
|
|
1260 // Shortcut for :nth-*(n)
|
|
|
1261 function( elem ) {
|
|
|
1262 return !!elem.parentNode;
|
|
|
1263 } :
|
|
|
1264
|
|
|
1265 function( elem, context, xml ) {
|
|
|
1266 var cache, uniqueCache, outerCache, node, nodeIndex, start,
|
|
|
1267 dir = simple !== forward ? "nextSibling" : "previousSibling",
|
|
|
1268 parent = elem.parentNode,
|
|
|
1269 name = ofType && elem.nodeName.toLowerCase(),
|
|
|
1270 useCache = !xml && !ofType,
|
|
|
1271 diff = false;
|
|
|
1272
|
|
|
1273 if ( parent ) {
|
|
|
1274
|
|
|
1275 // :(first|last|only)-(child|of-type)
|
|
|
1276 if ( simple ) {
|
|
|
1277 while ( dir ) {
|
|
|
1278 node = elem;
|
|
|
1279 while ( (node = node[ dir ]) ) {
|
|
|
1280 if ( ofType ?
|
|
|
1281 node.nodeName.toLowerCase() === name :
|
|
|
1282 node.nodeType === 1 ) {
|
|
|
1283
|
|
|
1284 return false;
|
|
|
1285 }
|
|
|
1286 }
|
|
|
1287 // Reverse direction for :only-* (if we haven't yet done so)
|
|
|
1288 start = dir = type === "only" && !start && "nextSibling";
|
|
|
1289 }
|
|
|
1290 return true;
|
|
|
1291 }
|
|
|
1292
|
|
|
1293 start = [ forward ? parent.firstChild : parent.lastChild ];
|
|
|
1294
|
|
|
1295 // non-xml :nth-child(...) stores cache data on `parent`
|
|
|
1296 if ( forward && useCache ) {
|
|
|
1297
|
|
|
1298 // Seek `elem` from a previously-cached index
|
|
|
1299
|
|
|
1300 // ...in a gzip-friendly way
|
|
|
1301 node = parent;
|
|
|
1302 outerCache = node[ expando ] || (node[ expando ] = {});
|
|
|
1303
|
|
|
1304 // Support: IE <9 only
|
|
|
1305 // Defend against cloned attroperties (jQuery gh-1709)
|
|
|
1306 uniqueCache = outerCache[ node.uniqueID ] ||
|
|
|
1307 (outerCache[ node.uniqueID ] = {});
|
|
|
1308
|
|
|
1309 cache = uniqueCache[ type ] || [];
|
|
|
1310 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
|
|
|
1311 diff = nodeIndex && cache[ 2 ];
|
|
|
1312 node = nodeIndex && parent.childNodes[ nodeIndex ];
|
|
|
1313
|
|
|
1314 while ( (node = ++nodeIndex && node && node[ dir ] ||
|
|
|
1315
|
|
|
1316 // Fallback to seeking `elem` from the start
|
|
|
1317 (diff = nodeIndex = 0) || start.pop()) ) {
|
|
|
1318
|
|
|
1319 // When found, cache indexes on `parent` and break
|
|
|
1320 if ( node.nodeType === 1 && ++diff && node === elem ) {
|
|
|
1321 uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
|
|
|
1322 break;
|
|
|
1323 }
|
|
|
1324 }
|
|
|
1325
|
|
|
1326 } else {
|
|
|
1327 // Use previously-cached element index if available
|
|
|
1328 if ( useCache ) {
|
|
|
1329 // ...in a gzip-friendly way
|
|
|
1330 node = elem;
|
|
|
1331 outerCache = node[ expando ] || (node[ expando ] = {});
|
|
|
1332
|
|
|
1333 // Support: IE <9 only
|
|
|
1334 // Defend against cloned attroperties (jQuery gh-1709)
|
|
|
1335 uniqueCache = outerCache[ node.uniqueID ] ||
|
|
|
1336 (outerCache[ node.uniqueID ] = {});
|
|
|
1337
|
|
|
1338 cache = uniqueCache[ type ] || [];
|
|
|
1339 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
|
|
|
1340 diff = nodeIndex;
|
|
|
1341 }
|
|
|
1342
|
|
|
1343 // xml :nth-child(...)
|
|
|
1344 // or :nth-last-child(...) or :nth(-last)?-of-type(...)
|
|
|
1345 if ( diff === false ) {
|
|
|
1346 // Use the same loop as above to seek `elem` from the start
|
|
|
1347 while ( (node = ++nodeIndex && node && node[ dir ] ||
|
|
|
1348 (diff = nodeIndex = 0) || start.pop()) ) {
|
|
|
1349
|
|
|
1350 if ( ( ofType ?
|
|
|
1351 node.nodeName.toLowerCase() === name :
|
|
|
1352 node.nodeType === 1 ) &&
|
|
|
1353 ++diff ) {
|
|
|
1354
|
|
|
1355 // Cache the index of each encountered element
|
|
|
1356 if ( useCache ) {
|
|
|
1357 outerCache = node[ expando ] || (node[ expando ] = {});
|
|
|
1358
|
|
|
1359 // Support: IE <9 only
|
|
|
1360 // Defend against cloned attroperties (jQuery gh-1709)
|
|
|
1361 uniqueCache = outerCache[ node.uniqueID ] ||
|
|
|
1362 (outerCache[ node.uniqueID ] = {});
|
|
|
1363
|
|
|
1364 uniqueCache[ type ] = [ dirruns, diff ];
|
|
|
1365 }
|
|
|
1366
|
|
|
1367 if ( node === elem ) {
|
|
|
1368 break;
|
|
|
1369 }
|
|
|
1370 }
|
|
|
1371 }
|
|
|
1372 }
|
|
|
1373 }
|
|
|
1374
|
|
|
1375 // Incorporate the offset, then check against cycle size
|
|
|
1376 diff -= last;
|
|
|
1377 return diff === first || ( diff % first === 0 && diff / first >= 0 );
|
|
|
1378 }
|
|
|
1379 };
|
|
|
1380 },
|
|
|
1381
|
|
|
1382 "PSEUDO": function( pseudo, argument ) {
|
|
|
1383 // pseudo-class names are case-insensitive
|
|
|
1384 // http://www.w3.org/TR/selectors/#pseudo-classes
|
|
|
1385 // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
|
|
|
1386 // Remember that setFilters inherits from pseudos
|
|
|
1387 var args,
|
|
|
1388 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
|
|
|
1389 Sizzle.error( "unsupported pseudo: " + pseudo );
|
|
|
1390
|
|
|
1391 // The user may use createPseudo to indicate that
|
|
|
1392 // arguments are needed to create the filter function
|
|
|
1393 // just as Sizzle does
|
|
|
1394 if ( fn[ expando ] ) {
|
|
|
1395 return fn( argument );
|
|
|
1396 }
|
|
|
1397
|
|
|
1398 // But maintain support for old signatures
|
|
|
1399 if ( fn.length > 1 ) {
|
|
|
1400 args = [ pseudo, pseudo, "", argument ];
|
|
|
1401 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
|
|
|
1402 markFunction(function( seed, matches ) {
|
|
|
1403 var idx,
|
|
|
1404 matched = fn( seed, argument ),
|
|
|
1405 i = matched.length;
|
|
|
1406 while ( i-- ) {
|
|
|
1407 idx = indexOf( seed, matched[i] );
|
|
|
1408 seed[ idx ] = !( matches[ idx ] = matched[i] );
|
|
|
1409 }
|
|
|
1410 }) :
|
|
|
1411 function( elem ) {
|
|
|
1412 return fn( elem, 0, args );
|
|
|
1413 };
|
|
|
1414 }
|
|
|
1415
|
|
|
1416 return fn;
|
|
|
1417 }
|
|
|
1418 },
|
|
|
1419
|
|
|
1420 pseudos: {
|
|
|
1421 // Potentially complex pseudos
|
|
|
1422 "not": markFunction(function( selector ) {
|
|
|
1423 // Trim the selector passed to compile
|
|
|
1424 // to avoid treating leading and trailing
|
|
|
1425 // spaces as combinators
|
|
|
1426 var input = [],
|
|
|
1427 results = [],
|
|
|
1428 matcher = compile( selector.replace( rtrim, "$1" ) );
|
|
|
1429
|
|
|
1430 return matcher[ expando ] ?
|
|
|
1431 markFunction(function( seed, matches, context, xml ) {
|
|
|
1432 var elem,
|
|
|
1433 unmatched = matcher( seed, null, xml, [] ),
|
|
|
1434 i = seed.length;
|
|
|
1435
|
|
|
1436 // Match elements unmatched by `matcher`
|
|
|
1437 while ( i-- ) {
|
|
|
1438 if ( (elem = unmatched[i]) ) {
|
|
|
1439 seed[i] = !(matches[i] = elem);
|
|
|
1440 }
|
|
|
1441 }
|
|
|
1442 }) :
|
|
|
1443 function( elem, context, xml ) {
|
|
|
1444 input[0] = elem;
|
|
|
1445 matcher( input, null, xml, results );
|
|
|
1446 // Don't keep the element (issue #299)
|
|
|
1447 input[0] = null;
|
|
|
1448 return !results.pop();
|
|
|
1449 };
|
|
|
1450 }),
|
|
|
1451
|
|
|
1452 "has": markFunction(function( selector ) {
|
|
|
1453 return function( elem ) {
|
|
|
1454 return Sizzle( selector, elem ).length > 0;
|
|
|
1455 };
|
|
|
1456 }),
|
|
|
1457
|
|
|
1458 "contains": markFunction(function( text ) {
|
|
|
1459 text = text.replace( runescape, funescape );
|
|
|
1460 return function( elem ) {
|
|
|
1461 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
|
|
|
1462 };
|
|
|
1463 }),
|
|
|
1464
|
|
|
1465 // "Whether an element is represented by a :lang() selector
|
|
|
1466 // is based solely on the element's language value
|
|
|
1467 // being equal to the identifier C,
|
|
|
1468 // or beginning with the identifier C immediately followed by "-".
|
|
|
1469 // The matching of C against the element's language value is performed case-insensitively.
|
|
|
1470 // The identifier C does not have to be a valid language name."
|
|
|
1471 // http://www.w3.org/TR/selectors/#lang-pseudo
|
|
|
1472 "lang": markFunction( function( lang ) {
|
|
|
1473 // lang value must be a valid identifier
|
|
|
1474 if ( !ridentifier.test(lang || "") ) {
|
|
|
1475 Sizzle.error( "unsupported lang: " + lang );
|
|
|
1476 }
|
|
|
1477 lang = lang.replace( runescape, funescape ).toLowerCase();
|
|
|
1478 return function( elem ) {
|
|
|
1479 var elemLang;
|
|
|
1480 do {
|
|
|
1481 if ( (elemLang = documentIsHTML ?
|
|
|
1482 elem.lang :
|
|
|
1483 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
|
|
|
1484
|
|
|
1485 elemLang = elemLang.toLowerCase();
|
|
|
1486 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
|
|
|
1487 }
|
|
|
1488 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
|
|
|
1489 return false;
|
|
|
1490 };
|
|
|
1491 }),
|
|
|
1492
|
|
|
1493 // Miscellaneous
|
|
|
1494 "target": function( elem ) {
|
|
|
1495 var hash = window.location && window.location.hash;
|
|
|
1496 return hash && hash.slice( 1 ) === elem.id;
|
|
|
1497 },
|
|
|
1498
|
|
|
1499 "root": function( elem ) {
|
|
|
1500 return elem === docElem;
|
|
|
1501 },
|
|
|
1502
|
|
|
1503 "focus": function( elem ) {
|
|
|
1504 return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
|
|
|
1505 },
|
|
|
1506
|
|
|
1507 // Boolean properties
|
|
|
1508 "enabled": createDisabledPseudo( false ),
|
|
|
1509 "disabled": createDisabledPseudo( true ),
|
|
|
1510
|
|
|
1511 "checked": function( elem ) {
|
|
|
1512 // In CSS3, :checked should return both checked and selected elements
|
|
|
1513 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
|
|
|
1514 var nodeName = elem.nodeName.toLowerCase();
|
|
|
1515 return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
|
|
|
1516 },
|
|
|
1517
|
|
|
1518 "selected": function( elem ) {
|
|
|
1519 // Accessing this property makes selected-by-default
|
|
|
1520 // options in Safari work properly
|
|
|
1521 if ( elem.parentNode ) {
|
|
|
1522 elem.parentNode.selectedIndex;
|
|
|
1523 }
|
|
|
1524
|
|
|
1525 return elem.selected === true;
|
|
|
1526 },
|
|
|
1527
|
|
|
1528 // Contents
|
|
|
1529 "empty": function( elem ) {
|
|
|
1530 // http://www.w3.org/TR/selectors/#empty-pseudo
|
|
|
1531 // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
|
|
|
1532 // but not by others (comment: 8; processing instruction: 7; etc.)
|
|
|
1533 // nodeType < 6 works because attributes (2) do not appear as children
|
|
|
1534 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
|
|
|
1535 if ( elem.nodeType < 6 ) {
|
|
|
1536 return false;
|
|
|
1537 }
|
|
|
1538 }
|
|
|
1539 return true;
|
|
|
1540 },
|
|
|
1541
|
|
|
1542 "parent": function( elem ) {
|
|
|
1543 return !Expr.pseudos["empty"]( elem );
|
|
|
1544 },
|
|
|
1545
|
|
|
1546 // Element/input types
|
|
|
1547 "header": function( elem ) {
|
|
|
1548 return rheader.test( elem.nodeName );
|
|
|
1549 },
|
|
|
1550
|
|
|
1551 "input": function( elem ) {
|
|
|
1552 return rinputs.test( elem.nodeName );
|
|
|
1553 },
|
|
|
1554
|
|
|
1555 "button": function( elem ) {
|
|
|
1556 var name = elem.nodeName.toLowerCase();
|
|
|
1557 return name === "input" && elem.type === "button" || name === "button";
|
|
|
1558 },
|
|
|
1559
|
|
|
1560 "text": function( elem ) {
|
|
|
1561 var attr;
|
|
|
1562 return elem.nodeName.toLowerCase() === "input" &&
|
|
|
1563 elem.type === "text" &&
|
|
|
1564
|
|
|
1565 // Support: IE<8
|
|
|
1566 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
|
|
|
1567 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
|
|
|
1568 },
|
|
|
1569
|
|
|
1570 // Position-in-collection
|
|
|
1571 "first": createPositionalPseudo(function() {
|
|
|
1572 return [ 0 ];
|
|
|
1573 }),
|
|
|
1574
|
|
|
1575 "last": createPositionalPseudo(function( matchIndexes, length ) {
|
|
|
1576 return [ length - 1 ];
|
|
|
1577 }),
|
|
|
1578
|
|
|
1579 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
|
|
|
1580 return [ argument < 0 ? argument + length : argument ];
|
|
|
1581 }),
|
|
|
1582
|
|
|
1583 "even": createPositionalPseudo(function( matchIndexes, length ) {
|
|
|
1584 var i = 0;
|
|
|
1585 for ( ; i < length; i += 2 ) {
|
|
|
1586 matchIndexes.push( i );
|
|
|
1587 }
|
|
|
1588 return matchIndexes;
|
|
|
1589 }),
|
|
|
1590
|
|
|
1591 "odd": createPositionalPseudo(function( matchIndexes, length ) {
|
|
|
1592 var i = 1;
|
|
|
1593 for ( ; i < length; i += 2 ) {
|
|
|
1594 matchIndexes.push( i );
|
|
|
1595 }
|
|
|
1596 return matchIndexes;
|
|
|
1597 }),
|
|
|
1598
|
|
|
1599 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
|
|
|
1600 var i = argument < 0 ? argument + length : argument;
|
|
|
1601 for ( ; --i >= 0; ) {
|
|
|
1602 matchIndexes.push( i );
|
|
|
1603 }
|
|
|
1604 return matchIndexes;
|
|
|
1605 }),
|
|
|
1606
|
|
|
1607 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
|
|
|
1608 var i = argument < 0 ? argument + length : argument;
|
|
|
1609 for ( ; ++i < length; ) {
|
|
|
1610 matchIndexes.push( i );
|
|
|
1611 }
|
|
|
1612 return matchIndexes;
|
|
|
1613 })
|
|
|
1614 }
|
|
|
1615 };
|
|
|
1616
|
|
|
1617 Expr.pseudos["nth"] = Expr.pseudos["eq"];
|
|
|
1618
|
|
|
1619 // Add button/input type pseudos
|
|
|
1620 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
|
|
|
1621 Expr.pseudos[ i ] = createInputPseudo( i );
|
|
|
1622 }
|
|
|
1623 for ( i in { submit: true, reset: true } ) {
|
|
|
1624 Expr.pseudos[ i ] = createButtonPseudo( i );
|
|
|
1625 }
|
|
|
1626
|
|
|
1627 // Easy API for creating new setFilters
|
|
|
1628 function setFilters() {}
|
|
|
1629 setFilters.prototype = Expr.filters = Expr.pseudos;
|
|
|
1630 Expr.setFilters = new setFilters();
|
|
|
1631
|
|
|
1632 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
|
|
|
1633 var matched, match, tokens, type,
|
|
|
1634 soFar, groups, preFilters,
|
|
|
1635 cached = tokenCache[ selector + " " ];
|
|
|
1636
|
|
|
1637 if ( cached ) {
|
|
|
1638 return parseOnly ? 0 : cached.slice( 0 );
|
|
|
1639 }
|
|
|
1640
|
|
|
1641 soFar = selector;
|
|
|
1642 groups = [];
|
|
|
1643 preFilters = Expr.preFilter;
|
|
|
1644
|
|
|
1645 while ( soFar ) {
|
|
|
1646
|
|
|
1647 // Comma and first run
|
|
|
1648 if ( !matched || (match = rcomma.exec( soFar )) ) {
|
|
|
1649 if ( match ) {
|
|
|
1650 // Don't consume trailing commas as valid
|
|
|
1651 soFar = soFar.slice( match[0].length ) || soFar;
|
|
|
1652 }
|
|
|
1653 groups.push( (tokens = []) );
|
|
|
1654 }
|
|
|
1655
|
|
|
1656 matched = false;
|
|
|
1657
|
|
|
1658 // Combinators
|
|
|
1659 if ( (match = rcombinators.exec( soFar )) ) {
|
|
|
1660 matched = match.shift();
|
|
|
1661 tokens.push({
|
|
|
1662 value: matched,
|
|
|
1663 // Cast descendant combinators to space
|
|
|
1664 type: match[0].replace( rtrim, " " )
|
|
|
1665 });
|
|
|
1666 soFar = soFar.slice( matched.length );
|
|
|
1667 }
|
|
|
1668
|
|
|
1669 // Filters
|
|
|
1670 for ( type in Expr.filter ) {
|
|
|
1671 if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
|
|
|
1672 (match = preFilters[ type ]( match ))) ) {
|
|
|
1673 matched = match.shift();
|
|
|
1674 tokens.push({
|
|
|
1675 value: matched,
|
|
|
1676 type: type,
|
|
|
1677 matches: match
|
|
|
1678 });
|
|
|
1679 soFar = soFar.slice( matched.length );
|
|
|
1680 }
|
|
|
1681 }
|
|
|
1682
|
|
|
1683 if ( !matched ) {
|
|
|
1684 break;
|
|
|
1685 }
|
|
|
1686 }
|
|
|
1687
|
|
|
1688 // Return the length of the invalid excess
|
|
|
1689 // if we're just parsing
|
|
|
1690 // Otherwise, throw an error or return tokens
|
|
|
1691 return parseOnly ?
|
|
|
1692 soFar.length :
|
|
|
1693 soFar ?
|
|
|
1694 Sizzle.error( selector ) :
|
|
|
1695 // Cache the tokens
|
|
|
1696 tokenCache( selector, groups ).slice( 0 );
|
|
|
1697 };
|
|
|
1698
|
|
|
1699 function toSelector( tokens ) {
|
|
|
1700 var i = 0,
|
|
|
1701 len = tokens.length,
|
|
|
1702 selector = "";
|
|
|
1703 for ( ; i < len; i++ ) {
|
|
|
1704 selector += tokens[i].value;
|
|
|
1705 }
|
|
|
1706 return selector;
|
|
|
1707 }
|
|
|
1708
|
|
|
1709 function addCombinator( matcher, combinator, base ) {
|
|
|
1710 var dir = combinator.dir,
|
|
|
1711 skip = combinator.next,
|
|
|
1712 key = skip || dir,
|
|
|
1713 checkNonElements = base && key === "parentNode",
|
|
|
1714 doneName = done++;
|
|
|
1715
|
|
|
1716 return combinator.first ?
|
|
|
1717 // Check against closest ancestor/preceding element
|
|
|
1718 function( elem, context, xml ) {
|
|
|
1719 while ( (elem = elem[ dir ]) ) {
|
|
|
1720 if ( elem.nodeType === 1 || checkNonElements ) {
|
|
|
1721 return matcher( elem, context, xml );
|
|
|
1722 }
|
|
|
1723 }
|
|
|
1724 return false;
|
|
|
1725 } :
|
|
|
1726
|
|
|
1727 // Check against all ancestor/preceding elements
|
|
|
1728 function( elem, context, xml ) {
|
|
|
1729 var oldCache, uniqueCache, outerCache,
|
|
|
1730 newCache = [ dirruns, doneName ];
|
|
|
1731
|
|
|
1732 // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
|
|
|
1733 if ( xml ) {
|
|
|
1734 while ( (elem = elem[ dir ]) ) {
|
|
|
1735 if ( elem.nodeType === 1 || checkNonElements ) {
|
|
|
1736 if ( matcher( elem, context, xml ) ) {
|
|
|
1737 return true;
|
|
|
1738 }
|
|
|
1739 }
|
|
|
1740 }
|
|
|
1741 } else {
|
|
|
1742 while ( (elem = elem[ dir ]) ) {
|
|
|
1743 if ( elem.nodeType === 1 || checkNonElements ) {
|
|
|
1744 outerCache = elem[ expando ] || (elem[ expando ] = {});
|
|
|
1745
|
|
|
1746 // Support: IE <9 only
|
|
|
1747 // Defend against cloned attroperties (jQuery gh-1709)
|
|
|
1748 uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
|
|
|
1749
|
|
|
1750 if ( skip && skip === elem.nodeName.toLowerCase() ) {
|
|
|
1751 elem = elem[ dir ] || elem;
|
|
|
1752 } else if ( (oldCache = uniqueCache[ key ]) &&
|
|
|
1753 oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
|
|
|
1754
|
|
|
1755 // Assign to newCache so results back-propagate to previous elements
|
|
|
1756 return (newCache[ 2 ] = oldCache[ 2 ]);
|
|
|
1757 } else {
|
|
|
1758 // Reuse newcache so results back-propagate to previous elements
|
|
|
1759 uniqueCache[ key ] = newCache;
|
|
|
1760
|
|
|
1761 // A match means we're done; a fail means we have to keep checking
|
|
|
1762 if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
|
|
|
1763 return true;
|
|
|
1764 }
|
|
|
1765 }
|
|
|
1766 }
|
|
|
1767 }
|
|
|
1768 }
|
|
|
1769 return false;
|
|
|
1770 };
|
|
|
1771 }
|
|
|
1772
|
|
|
1773 function elementMatcher( matchers ) {
|
|
|
1774 return matchers.length > 1 ?
|
|
|
1775 function( elem, context, xml ) {
|
|
|
1776 var i = matchers.length;
|
|
|
1777 while ( i-- ) {
|
|
|
1778 if ( !matchers[i]( elem, context, xml ) ) {
|
|
|
1779 return false;
|
|
|
1780 }
|
|
|
1781 }
|
|
|
1782 return true;
|
|
|
1783 } :
|
|
|
1784 matchers[0];
|
|
|
1785 }
|
|
|
1786
|
|
|
1787 function multipleContexts( selector, contexts, results ) {
|
|
|
1788 var i = 0,
|
|
|
1789 len = contexts.length;
|
|
|
1790 for ( ; i < len; i++ ) {
|
|
|
1791 Sizzle( selector, contexts[i], results );
|
|
|
1792 }
|
|
|
1793 return results;
|
|
|
1794 }
|
|
|
1795
|
|
|
1796 function condense( unmatched, map, filter, context, xml ) {
|
|
|
1797 var elem,
|
|
|
1798 newUnmatched = [],
|
|
|
1799 i = 0,
|
|
|
1800 len = unmatched.length,
|
|
|
1801 mapped = map != null;
|
|
|
1802
|
|
|
1803 for ( ; i < len; i++ ) {
|
|
|
1804 if ( (elem = unmatched[i]) ) {
|
|
|
1805 if ( !filter || filter( elem, context, xml ) ) {
|
|
|
1806 newUnmatched.push( elem );
|
|
|
1807 if ( mapped ) {
|
|
|
1808 map.push( i );
|
|
|
1809 }
|
|
|
1810 }
|
|
|
1811 }
|
|
|
1812 }
|
|
|
1813
|
|
|
1814 return newUnmatched;
|
|
|
1815 }
|
|
|
1816
|
|
|
1817 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
|
|
|
1818 if ( postFilter && !postFilter[ expando ] ) {
|
|
|
1819 postFilter = setMatcher( postFilter );
|
|
|
1820 }
|
|
|
1821 if ( postFinder && !postFinder[ expando ] ) {
|
|
|
1822 postFinder = setMatcher( postFinder, postSelector );
|
|
|
1823 }
|
|
|
1824 return markFunction(function( seed, results, context, xml ) {
|
|
|
1825 var temp, i, elem,
|
|
|
1826 preMap = [],
|
|
|
1827 postMap = [],
|
|
|
1828 preexisting = results.length,
|
|
|
1829
|
|
|
1830 // Get initial elements from seed or context
|
|
|
1831 elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
|
|
|
1832
|
|
|
1833 // Prefilter to get matcher input, preserving a map for seed-results synchronization
|
|
|
1834 matcherIn = preFilter && ( seed || !selector ) ?
|
|
|
1835 condense( elems, preMap, preFilter, context, xml ) :
|
|
|
1836 elems,
|
|
|
1837
|
|
|
1838 matcherOut = matcher ?
|
|
|
1839 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
|
|
|
1840 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
|
|
|
1841
|
|
|
1842 // ...intermediate processing is necessary
|
|
|
1843 [] :
|
|
|
1844
|
|
|
1845 // ...otherwise use results directly
|
|
|
1846 results :
|
|
|
1847 matcherIn;
|
|
|
1848
|
|
|
1849 // Find primary matches
|
|
|
1850 if ( matcher ) {
|
|
|
1851 matcher( matcherIn, matcherOut, context, xml );
|
|
|
1852 }
|
|
|
1853
|
|
|
1854 // Apply postFilter
|
|
|
1855 if ( postFilter ) {
|
|
|
1856 temp = condense( matcherOut, postMap );
|
|
|
1857 postFilter( temp, [], context, xml );
|
|
|
1858
|
|
|
1859 // Un-match failing elements by moving them back to matcherIn
|
|
|
1860 i = temp.length;
|
|
|
1861 while ( i-- ) {
|
|
|
1862 if ( (elem = temp[i]) ) {
|
|
|
1863 matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
|
|
|
1864 }
|
|
|
1865 }
|
|
|
1866 }
|
|
|
1867
|
|
|
1868 if ( seed ) {
|
|
|
1869 if ( postFinder || preFilter ) {
|
|
|
1870 if ( postFinder ) {
|
|
|
1871 // Get the final matcherOut by condensing this intermediate into postFinder contexts
|
|
|
1872 temp = [];
|
|
|
1873 i = matcherOut.length;
|
|
|
1874 while ( i-- ) {
|
|
|
1875 if ( (elem = matcherOut[i]) ) {
|
|
|
1876 // Restore matcherIn since elem is not yet a final match
|
|
|
1877 temp.push( (matcherIn[i] = elem) );
|
|
|
1878 }
|
|
|
1879 }
|
|
|
1880 postFinder( null, (matcherOut = []), temp, xml );
|
|
|
1881 }
|
|
|
1882
|
|
|
1883 // Move matched elements from seed to results to keep them synchronized
|
|
|
1884 i = matcherOut.length;
|
|
|
1885 while ( i-- ) {
|
|
|
1886 if ( (elem = matcherOut[i]) &&
|
|
|
1887 (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
|
|
|
1888
|
|
|
1889 seed[temp] = !(results[temp] = elem);
|
|
|
1890 }
|
|
|
1891 }
|
|
|
1892 }
|
|
|
1893
|
|
|
1894 // Add elements to results, through postFinder if defined
|
|
|
1895 } else {
|
|
|
1896 matcherOut = condense(
|
|
|
1897 matcherOut === results ?
|
|
|
1898 matcherOut.splice( preexisting, matcherOut.length ) :
|
|
|
1899 matcherOut
|
|
|
1900 );
|
|
|
1901 if ( postFinder ) {
|
|
|
1902 postFinder( null, results, matcherOut, xml );
|
|
|
1903 } else {
|
|
|
1904 push.apply( results, matcherOut );
|
|
|
1905 }
|
|
|
1906 }
|
|
|
1907 });
|
|
|
1908 }
|
|
|
1909
|
|
|
1910 function matcherFromTokens( tokens ) {
|
|
|
1911 var checkContext, matcher, j,
|
|
|
1912 len = tokens.length,
|
|
|
1913 leadingRelative = Expr.relative[ tokens[0].type ],
|
|
|
1914 implicitRelative = leadingRelative || Expr.relative[" "],
|
|
|
1915 i = leadingRelative ? 1 : 0,
|
|
|
1916
|
|
|
1917 // The foundational matcher ensures that elements are reachable from top-level context(s)
|
|
|
1918 matchContext = addCombinator( function( elem ) {
|
|
|
1919 return elem === checkContext;
|
|
|
1920 }, implicitRelative, true ),
|
|
|
1921 matchAnyContext = addCombinator( function( elem ) {
|
|
|
1922 return indexOf( checkContext, elem ) > -1;
|
|
|
1923 }, implicitRelative, true ),
|
|
|
1924 matchers = [ function( elem, context, xml ) {
|
|
|
1925 var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
|
|
|
1926 (checkContext = context).nodeType ?
|
|
|
1927 matchContext( elem, context, xml ) :
|
|
|
1928 matchAnyContext( elem, context, xml ) );
|
|
|
1929 // Avoid hanging onto element (issue #299)
|
|
|
1930 checkContext = null;
|
|
|
1931 return ret;
|
|
|
1932 } ];
|
|
|
1933
|
|
|
1934 for ( ; i < len; i++ ) {
|
|
|
1935 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
|
|
|
1936 matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
|
|
|
1937 } else {
|
|
|
1938 matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
|
|
|
1939
|
|
|
1940 // Return special upon seeing a positional matcher
|
|
|
1941 if ( matcher[ expando ] ) {
|
|
|
1942 // Find the next relative operator (if any) for proper handling
|
|
|
1943 j = ++i;
|
|
|
1944 for ( ; j < len; j++ ) {
|
|
|
1945 if ( Expr.relative[ tokens[j].type ] ) {
|
|
|
1946 break;
|
|
|
1947 }
|
|
|
1948 }
|
|
|
1949 return setMatcher(
|
|
|
1950 i > 1 && elementMatcher( matchers ),
|
|
|
1951 i > 1 && toSelector(
|
|
|
1952 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
|
|
|
1953 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
|
|
|
1954 ).replace( rtrim, "$1" ),
|
|
|
1955 matcher,
|
|
|
1956 i < j && matcherFromTokens( tokens.slice( i, j ) ),
|
|
|
1957 j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
|
|
|
1958 j < len && toSelector( tokens )
|
|
|
1959 );
|
|
|
1960 }
|
|
|
1961 matchers.push( matcher );
|
|
|
1962 }
|
|
|
1963 }
|
|
|
1964
|
|
|
1965 return elementMatcher( matchers );
|
|
|
1966 }
|
|
|
1967
|
|
|
1968 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
|
|
|
1969 var bySet = setMatchers.length > 0,
|
|
|
1970 byElement = elementMatchers.length > 0,
|
|
|
1971 superMatcher = function( seed, context, xml, results, outermost ) {
|
|
|
1972 var elem, j, matcher,
|
|
|
1973 matchedCount = 0,
|
|
|
1974 i = "0",
|
|
|
1975 unmatched = seed && [],
|
|
|
1976 setMatched = [],
|
|
|
1977 contextBackup = outermostContext,
|
|
|
1978 // We must always have either seed elements or outermost context
|
|
|
1979 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
|
|
|
1980 // Use integer dirruns iff this is the outermost matcher
|
|
|
1981 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
|
|
|
1982 len = elems.length;
|
|
|
1983
|
|
|
1984 if ( outermost ) {
|
|
|
1985 outermostContext = context === document || context || outermost;
|
|
|
1986 }
|
|
|
1987
|
|
|
1988 // Add elements passing elementMatchers directly to results
|
|
|
1989 // Support: IE<9, Safari
|
|
|
1990 // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
|
|
|
1991 for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
|
|
|
1992 if ( byElement && elem ) {
|
|
|
1993 j = 0;
|
|
|
1994 if ( !context && elem.ownerDocument !== document ) {
|
|
|
1995 setDocument( elem );
|
|
|
1996 xml = !documentIsHTML;
|
|
|
1997 }
|
|
|
1998 while ( (matcher = elementMatchers[j++]) ) {
|
|
|
1999 if ( matcher( elem, context || document, xml) ) {
|
|
|
2000 results.push( elem );
|
|
|
2001 break;
|
|
|
2002 }
|
|
|
2003 }
|
|
|
2004 if ( outermost ) {
|
|
|
2005 dirruns = dirrunsUnique;
|
|
|
2006 }
|
|
|
2007 }
|
|
|
2008
|
|
|
2009 // Track unmatched elements for set filters
|
|
|
2010 if ( bySet ) {
|
|
|
2011 // They will have gone through all possible matchers
|
|
|
2012 if ( (elem = !matcher && elem) ) {
|
|
|
2013 matchedCount--;
|
|
|
2014 }
|
|
|
2015
|
|
|
2016 // Lengthen the array for every element, matched or not
|
|
|
2017 if ( seed ) {
|
|
|
2018 unmatched.push( elem );
|
|
|
2019 }
|
|
|
2020 }
|
|
|
2021 }
|
|
|
2022
|
|
|
2023 // `i` is now the count of elements visited above, and adding it to `matchedCount`
|
|
|
2024 // makes the latter nonnegative.
|
|
|
2025 matchedCount += i;
|
|
|
2026
|
|
|
2027 // Apply set filters to unmatched elements
|
|
|
2028 // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
|
|
|
2029 // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
|
|
|
2030 // no element matchers and no seed.
|
|
|
2031 // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
|
|
|
2032 // case, which will result in a "00" `matchedCount` that differs from `i` but is also
|
|
|
2033 // numerically zero.
|
|
|
2034 if ( bySet && i !== matchedCount ) {
|
|
|
2035 j = 0;
|
|
|
2036 while ( (matcher = setMatchers[j++]) ) {
|
|
|
2037 matcher( unmatched, setMatched, context, xml );
|
|
|
2038 }
|
|
|
2039
|
|
|
2040 if ( seed ) {
|
|
|
2041 // Reintegrate element matches to eliminate the need for sorting
|
|
|
2042 if ( matchedCount > 0 ) {
|
|
|
2043 while ( i-- ) {
|
|
|
2044 if ( !(unmatched[i] || setMatched[i]) ) {
|
|
|
2045 setMatched[i] = pop.call( results );
|
|
|
2046 }
|
|
|
2047 }
|
|
|
2048 }
|
|
|
2049
|
|
|
2050 // Discard index placeholder values to get only actual matches
|
|
|
2051 setMatched = condense( setMatched );
|
|
|
2052 }
|
|
|
2053
|
|
|
2054 // Add matches to results
|
|
|
2055 push.apply( results, setMatched );
|
|
|
2056
|
|
|
2057 // Seedless set matches succeeding multiple successful matchers stipulate sorting
|
|
|
2058 if ( outermost && !seed && setMatched.length > 0 &&
|
|
|
2059 ( matchedCount + setMatchers.length ) > 1 ) {
|
|
|
2060
|
|
|
2061 Sizzle.uniqueSort( results );
|
|
|
2062 }
|
|
|
2063 }
|
|
|
2064
|
|
|
2065 // Override manipulation of globals by nested matchers
|
|
|
2066 if ( outermost ) {
|
|
|
2067 dirruns = dirrunsUnique;
|
|
|
2068 outermostContext = contextBackup;
|
|
|
2069 }
|
|
|
2070
|
|
|
2071 return unmatched;
|
|
|
2072 };
|
|
|
2073
|
|
|
2074 return bySet ?
|
|
|
2075 markFunction( superMatcher ) :
|
|
|
2076 superMatcher;
|
|
|
2077 }
|
|
|
2078
|
|
|
2079 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
|
|
|
2080 var i,
|
|
|
2081 setMatchers = [],
|
|
|
2082 elementMatchers = [],
|
|
|
2083 cached = compilerCache[ selector + " " ];
|
|
|
2084
|
|
|
2085 if ( !cached ) {
|
|
|
2086 // Generate a function of recursive functions that can be used to check each element
|
|
|
2087 if ( !match ) {
|
|
|
2088 match = tokenize( selector );
|
|
|
2089 }
|
|
|
2090 i = match.length;
|
|
|
2091 while ( i-- ) {
|
|
|
2092 cached = matcherFromTokens( match[i] );
|
|
|
2093 if ( cached[ expando ] ) {
|
|
|
2094 setMatchers.push( cached );
|
|
|
2095 } else {
|
|
|
2096 elementMatchers.push( cached );
|
|
|
2097 }
|
|
|
2098 }
|
|
|
2099
|
|
|
2100 // Cache the compiled function
|
|
|
2101 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
|
|
|
2102
|
|
|
2103 // Save selector and tokenization
|
|
|
2104 cached.selector = selector;
|
|
|
2105 }
|
|
|
2106 return cached;
|
|
|
2107 };
|
|
|
2108
|
|
|
2109 /**
|
|
|
2110 * A low-level selection function that works with Sizzle's compiled
|
|
|
2111 * selector functions
|
|
|
2112 * @param {String|Function} selector A selector or a pre-compiled
|
|
|
2113 * selector function built with Sizzle.compile
|
|
|
2114 * @param {Element} context
|
|
|
2115 * @param {Array} [results]
|
|
|
2116 * @param {Array} [seed] A set of elements to match against
|
|
|
2117 */
|
|
|
2118 select = Sizzle.select = function( selector, context, results, seed ) {
|
|
|
2119 var i, tokens, token, type, find,
|
|
|
2120 compiled = typeof selector === "function" && selector,
|
|
|
2121 match = !seed && tokenize( (selector = compiled.selector || selector) );
|
|
|
2122
|
|
|
2123 results = results || [];
|
|
|
2124
|
|
|
2125 // Try to minimize operations if there is only one selector in the list and no seed
|
|
|
2126 // (the latter of which guarantees us context)
|
|
|
2127 if ( match.length === 1 ) {
|
|
|
2128
|
|
|
2129 // Reduce context if the leading compound selector is an ID
|
|
|
2130 tokens = match[0] = match[0].slice( 0 );
|
|
|
2131 if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
|
|
|
2132 context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
|
|
|
2133
|
|
|
2134 context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
|
|
|
2135 if ( !context ) {
|
|
|
2136 return results;
|
|
|
2137
|
|
|
2138 // Precompiled matchers will still verify ancestry, so step up a level
|
|
|
2139 } else if ( compiled ) {
|
|
|
2140 context = context.parentNode;
|
|
|
2141 }
|
|
|
2142
|
|
|
2143 selector = selector.slice( tokens.shift().value.length );
|
|
|
2144 }
|
|
|
2145
|
|
|
2146 // Fetch a seed set for right-to-left matching
|
|
|
2147 i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
|
|
|
2148 while ( i-- ) {
|
|
|
2149 token = tokens[i];
|
|
|
2150
|
|
|
2151 // Abort if we hit a combinator
|
|
|
2152 if ( Expr.relative[ (type = token.type) ] ) {
|
|
|
2153 break;
|
|
|
2154 }
|
|
|
2155 if ( (find = Expr.find[ type ]) ) {
|
|
|
2156 // Search, expanding context for leading sibling combinators
|
|
|
2157 if ( (seed = find(
|
|
|
2158 token.matches[0].replace( runescape, funescape ),
|
|
|
2159 rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
|
|
|
2160 )) ) {
|
|
|
2161
|
|
|
2162 // If seed is empty or no tokens remain, we can return early
|
|
|
2163 tokens.splice( i, 1 );
|
|
|
2164 selector = seed.length && toSelector( tokens );
|
|
|
2165 if ( !selector ) {
|
|
|
2166 push.apply( results, seed );
|
|
|
2167 return results;
|
|
|
2168 }
|
|
|
2169
|
|
|
2170 break;
|
|
|
2171 }
|
|
|
2172 }
|
|
|
2173 }
|
|
|
2174 }
|
|
|
2175
|
|
|
2176 // Compile and execute a filtering function if one is not provided
|
|
|
2177 // Provide `match` to avoid retokenization if we modified the selector above
|
|
|
2178 ( compiled || compile( selector, match ) )(
|
|
|
2179 seed,
|
|
|
2180 context,
|
|
|
2181 !documentIsHTML,
|
|
|
2182 results,
|
|
|
2183 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
|
|
|
2184 );
|
|
|
2185 return results;
|
|
|
2186 };
|
|
|
2187
|
|
|
2188 // One-time assignments
|
|
|
2189
|
|
|
2190 // Sort stability
|
|
|
2191 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
|
|
|
2192
|
|
|
2193 // Support: Chrome 14-35+
|
|
|
2194 // Always assume duplicates if they aren't passed to the comparison function
|
|
|
2195 support.detectDuplicates = !!hasDuplicate;
|
|
|
2196
|
|
|
2197 // Initialize against the default document
|
|
|
2198 setDocument();
|
|
|
2199
|
|
|
2200 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
|
|
|
2201 // Detached nodes confoundingly follow *each other*
|
|
|
2202 support.sortDetached = assert(function( el ) {
|
|
|
2203 // Should return 1, but returns 4 (following)
|
|
|
2204 return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
|
|
|
2205 });
|
|
|
2206
|
|
|
2207 // Support: IE<8
|
|
|
2208 // Prevent attribute/property "interpolation"
|
|
|
2209 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
|
|
|
2210 if ( !assert(function( el ) {
|
|
|
2211 el.innerHTML = "<a href='#'></a>";
|
|
|
2212 return el.firstChild.getAttribute("href") === "#" ;
|
|
|
2213 }) ) {
|
|
|
2214 addHandle( "type|href|height|width", function( elem, name, isXML ) {
|
|
|
2215 if ( !isXML ) {
|
|
|
2216 return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
|
|
|
2217 }
|
|
|
2218 });
|
|
|
2219 }
|
|
|
2220
|
|
|
2221 // Support: IE<9
|
|
|
2222 // Use defaultValue in place of getAttribute("value")
|
|
|
2223 if ( !support.attributes || !assert(function( el ) {
|
|
|
2224 el.innerHTML = "<input/>";
|
|
|
2225 el.firstChild.setAttribute( "value", "" );
|
|
|
2226 return el.firstChild.getAttribute( "value" ) === "";
|
|
|
2227 }) ) {
|
|
|
2228 addHandle( "value", function( elem, name, isXML ) {
|
|
|
2229 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
|
|
|
2230 return elem.defaultValue;
|
|
|
2231 }
|
|
|
2232 });
|
|
|
2233 }
|
|
|
2234
|
|
|
2235 // Support: IE<9
|
|
|
2236 // Use getAttributeNode to fetch booleans when getAttribute lies
|
|
|
2237 if ( !assert(function( el ) {
|
|
|
2238 return el.getAttribute("disabled") == null;
|
|
|
2239 }) ) {
|
|
|
2240 addHandle( booleans, function( elem, name, isXML ) {
|
|
|
2241 var val;
|
|
|
2242 if ( !isXML ) {
|
|
|
2243 return elem[ name ] === true ? name.toLowerCase() :
|
|
|
2244 (val = elem.getAttributeNode( name )) && val.specified ?
|
|
|
2245 val.value :
|
|
|
2246 null;
|
|
|
2247 }
|
|
|
2248 });
|
|
|
2249 }
|
|
|
2250
|
|
|
2251 // EXPOSE
|
|
|
2252 var _sizzle = window.Sizzle;
|
|
|
2253
|
|
|
2254 Sizzle.noConflict = function() {
|
|
|
2255 if ( window.Sizzle === Sizzle ) {
|
|
|
2256 window.Sizzle = _sizzle;
|
|
|
2257 }
|
|
|
2258
|
|
|
2259 return Sizzle;
|
|
|
2260 };
|
|
|
2261
|
|
|
2262 if ( typeof define === "function" && define.amd ) {
|
|
|
2263 define(function() { return Sizzle; });
|
|
|
2264 // Sizzle requires that there be a global window in Common-JS like environments
|
|
|
2265 } else if ( typeof module !== "undefined" && module.exports ) {
|
|
|
2266 module.exports = Sizzle;
|
|
|
2267 } else {
|
|
|
2268 window.Sizzle = Sizzle;
|
|
|
2269 }
|
|
|
2270 // EXPOSE
|
|
|
2271
|
|
|
2272 })( window );
|
