2 * Original code by ofk ( kQuery, ksk )
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3 * http://d.hatena.ne.jp/ofk/comment/20090106/1231258010
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4 * http://d.hatena.ne.jp/ofk/20090111/1231668170
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7 * http://standards.mitsue.co.jp/resources/w3c/TR/css3-selectors/#nth-child-pseudo
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13 'nth-last-child' : 14,
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15 'nth-last-of-type' : 16,
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29 'last-of-type' : 12,
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30 'only-of-type' : 12,
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31 'first-of-type' : 13
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38 '+' : 3, // 兄弟セレクタ,共通の親を持つ、1番目要素が2番目要素の1つ前にある
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39 '~' : 4, // 一般兄弟セレクタ,共通の親を持つ、1番目要素が2番目要素の前 (直前でなくともよい) にある
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41 '@' : 6 // XML 用の拡張、属性ノードを辿る http://www.marguerite.jp/Nihongo/WWW/RefDOM/_Attr_interface.html
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55 _OPERATORS : { '==' : 1, '!=': 2, '~=': 3, '^=': 4, '$=': 5, '*=': 6, '|=': 7 }, // '':0 は属性が存在するならtrue
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56 // TODO { a : 1, A : 2, _ : 3,,, }
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57 _ALPHABET : 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-0123456789\\',
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58 _NUMBER : '+-0123456789'
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62 * セレクタ文字列の解析、但し一挙に行わず、ひと塊づつ
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63 * 結合子 + 単体セレクタ( タグ,*,#,.,[],: )
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64 * ' ' 子孫セレクタ, '>' 直下,'+','~' の場合、tagName|* を返す
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65 * return [ 今回のパースで解析した終端位置, [ selector, ... ] ] error: return pointer
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67 X.Dom.Query._parse = function( query, last ){
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68 var COMBINATOR = X.Dom.Query._COMBINATOR,
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69 SELECTOR = X.Dom.Query._SELECTOR,
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70 OPERATORS = X.Dom.Query._OPERATORS,
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71 ALPHABET = X.Dom.Query._ALPHABET,
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72 NUMBER = X.Dom.Query._NUMBER,
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79 chr, chrCode, nameChr, name1st,
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80 tmp, escape, quot, start,
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81 name, key, value, operator, a, b, not;
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84 chr = query.charAt( ++i );
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85 chrCode = ALPHABET.indexOf( chr );
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86 nameChr = chrCode !== -1;
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87 name1st = nameChr && chrCode < 52;
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90 name1st ? // tagName
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91 ( ( selector = 1 ) && ( phase = 0x2 ) && ( start = i ) ) :
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92 !not && ( tmp = COMBINATOR[ chr ] ) ? (
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93 ( 1 < tmp && 1 < combinator ) ?
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95 ( phase = tmp === 5 ? 0xe : 0x0 ) & ( ( 1 < tmp || combinator < 1 ) && ( combinator = tmp ) ) & ( tmp === 5 && ++i ) ) : // ' ' でない結合子の上書きはエラー
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96 ( tmp = SELECTOR[ chr ] ) ? // [
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97 ( selector = tmp ) && ( phase = selector === 5 ? 0x4 : 0x1 ) : // 7:[, 0<:
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99 ( ( selector = 1 ) && ( name = chr ) && ( phase = 0xe ) && ++i ) :
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100 chr !== ' ' && ( phase = 0xf );
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101 //console.log( '0x0: ' + name1st + ' ' + chrCode + ' ' + chr + ' ' + phase + ' tmp:' + tmp + ' comb:' + combinator );
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105 ( ( start = i ) && ( phase = 0x2 ) ) :
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106 chr !== ' ' && ( phase = 0xf );
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109 !nameChr && !( escape && ( selector === 2 || selector === 3 ) && ( chr === ':' || chr === '.' ) ) ? // id or class の場合 : . を直前にエスケープした場合に限り使える
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110 ( name = query.substring( start, i ) ) && ( phase = selector === 4 && name !== 'not' && chr === '(' ? ( name !== 'lang' && name !== 'contains' ? 0x8 : 0xb ) : 0xe ) :
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111 SELECTOR[ chr ] < 4 && ( phase = 0xe );
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117 case 0x4 : // start attr filter
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119 ( ( phase = 0x5 ) && ( start = i ) ) :
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122 case 0x5 : // attr filter key
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124 ( ( operator = 1 ) && ( phase = 0x6 ) && ( key || ( key = query.substring( start, i ) ) ) && ( start = i + 1 ) ) :
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126 ( !( operator = 0 ) && ( phase = 0xe ) && ( key || ( key = query.substring( start, i ) ) ) && ++i ) :
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128 ( key || ( key = query.substring( start, i ) ) ) :
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129 ( operator = OPERATORS[ query.substr( i, 2 ) ] ) ?
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130 ( ( phase = 0x6 ) && ( key || ( key = query.substring( start, i ) ) ) && ( start = ++i ) ) :
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131 !nameChr && ( phase = 0xf );
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132 //console.log( name1st + ' ' + chrCode + chr + phase );
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135 ( chr === '"' || chr === "'" ) && !escape && !quot ?
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136 ( quot = chr ) && ( start = i + 1 ) && ( phase = 0x7 ) :
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137 chr !== ' ' && ( start = i ) && ( phase = 0x7 );
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140 case 0x7 : // attr filter value
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142 !escape && !value && ( value = query.substring( start, i ) ) :
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144 ( ( value || ( value = query.substring( start, i ) ) ) && ( phase = 0xe ) && ++i ) :
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145 chr === ' ' && !quot && !value && ( value = query.substring( start, i ) );
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146 //( chr === '"' || chr === "'" ) && !quot && ( quot = chr ) && ( start = i + 1 );
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149 case 0x8 : // 4, 2n, even, odd, -n+4,
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150 NUMBER.indexOf( chr ) !== -1 ?
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151 ( start = i ) && ( phase = 0x9 ) :
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153 ( phase = 0xa ) && ( a = 1 ) && ( start = i + 1 ) :
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154 query.substr( i, 4 ) === 'even' ?
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155 ( ( a = 2 ) && !( b = 0 ) && ( i += 3 ) ) :
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156 query.substr( i, 3 ) === 'odd' ?
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157 ( ( a = 2 ) && ( b = 1 ) && ( i += 2 ) ) :
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158 chr === ')' && ( phase = a ? 0xe : 0xf ) && ++i;
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159 //console.log( '0x8: ' + name1st + ' ' + chrCode + ' ' + chr + ' ' + phase + ' ' + name );
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162 tmp = query.substring( start, i );
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164 ( phase = 0xa ) && ( start = i + 1 ) && ( a = tmp === '+' ? 1 : tmp === '-' ? -1 : parseFloat( tmp ) ) :
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165 chr === ')' && ( phase = 0xe ) && ++i && ( b = parseFloat( tmp ) ) && ( a = 0 );
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166 //console.log( '0x9: ' + name1st + ' ' + chrCode + ' ' + chr + ' ' + phase );
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169 chr === ')' && ( phase = 0xe ) && ++i && ( b = parseFloat( query.substring( start, i ) ) || 0 );
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170 console.log( '0xa: ' + start + ' ' + i );
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174 ( chr === '"' || chr === "'" ) && !escape && !quot &&
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175 ( quot = chr ) && ( start = i + 1 ) && ( phase = 0xc );
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178 chr === quot && !escape && ( value = query.substring( start, i ) ) && ( phase = 0xd );
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181 chr === ')' && ( phase = 0xe ) && ++i;
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185 //alert( chr + ' ' + phase + ' ' + selector + ' ' + name + ' ' + name1st )
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186 if( phase === 0xe ){
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187 if( selector === 4 ){// :not
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188 if( name === 'not' ){
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189 if( not ) return i; // error
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196 if( name === 'lang' || name === 'contains' ){
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197 result = [ not ? 0 : combinator, selector, name, value ];
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200 if( a !== a || b !== b ) return i;
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201 result = [ not ? 0 : combinator, selector, name, a, b ];
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209 [ not ? 0 : combinator, selector, key, operator, value ] :
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210 [ not ? 0 : combinator, selector, name.split( '\\' ).join( '' ) ];
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213 if( phase === 0xf ) return i;
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215 escape = chr === '\\' && !escape;
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217 //if( phase !== 0xe ) return i;
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218 if( not && ( tmp = query.substr( i ).indexOf( ')' ) ) === -1 ) return i;
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219 return not ? [ i + tmp + 1, [ combinator, 6, result ] ] : [ i, result ];
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223 X.Dom.find = X._shortcut = Node.prototype.find = X.Dom.NodeList.prototype.find = function( queryString ){
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224 var HTML = Node._html,
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225 scope = this.constructor === X.Dom.NodeList && this.length ? this : [ this.constructor === Node ? this : Node._body ],
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226 parents = scope, // 探索元の親要素 XNodeList の場合あり
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227 // TODO { title : true,,, }
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228 noLower = 'title id name class for action archive background cite classid codebase data href longdesc profile src usemap',// + X_Dom_DTD_ATTR_VAL_IS_URI.join( ' ' ),
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229 ARY_PUSH = Array.prototype.push,
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231 root = X.Dom.Node.getRoot( scope[ 0 ] ),
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232 isXML = !!X.Dom.Node.isXmlDocument( root ),
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233 isMulti = 1 < scope.length,// 要素をマージする必要がある
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236 isAll, isNot, hasRoot,
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239 merge, // 要素がコメントノードで汚染されている場合使う
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240 combinator, selector, name, tagName,
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241 uid, tmp, xnode, filter, key, op, val, toLower, useName,
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242 links, className, attr, flag;
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245 if( X_Dom_readyState < X.Event.XDOM_READY ){
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246 alert( 'not ready! use X.Dom.listenOnce( X.Event.XDOM_READY, callback )' );
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252 if( typeof queryString !== 'string' ) return ret;
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257 for( ; queryString.length; ){
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258 //console.log( 'queryString[' + queryString + ']' );
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262 parsed = X.Dom.Query._parse( queryString );
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264 if( typeof parsed === 'number' ){
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269 queryString = queryString.substr( parsed[ 0 ] );
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270 parsed = parsed[ 1 ];
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272 //console.log( 'X.Dom.Query._parse ' + parsed );
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274 if( parsed === 5 ){
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277 xnodes && xnodes.length && ARY_PUSH.apply( ret, xnodes );
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285 combinator = parsed[ 0 ];
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286 selector = parsed[ 1 ];
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287 name = parsed[ 2 ];
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288 tagName = selector === 1 ? ( isXML ? name : name.toUpperCase() ) : '*';
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289 isAll = tagName === '*';
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292 if( !xnodes.length ){
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296 if( combinator !== 0 ){
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299 //console.log( 'cobinator !== 0 ' + parents.length + ' : ' + xnodes.length );
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304 l = parents.length;
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306 isMulti = isMulti || 1 < l;
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308 //console.log( 'combinator ' + combinator );
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310 switch( combinator ){
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313 for( ; i < l; ++i ){
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314 for( xnode = parents[ i ].firstChild(); xnode; xnode = xnode.nextNode() ){
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315 if( xnode._xnodeType === 1 && ( isAll || tagName === xnode._tag ) ) xnodes[ ++n ] = xnode;
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321 for( ; i < l; ++i ){
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322 for( xnode = parents[ i ].nextNode(); xnode; xnode = xnode.nextNode() ){
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323 if( xnode._xnodeType === 1 ){
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324 if( isAll || tagName === xnode._tag ) xnodes[ ++n ] = xnode;
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333 for( ; i < l; ++i ){
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334 for( xnode = parents[ i ].nextNode(); xnode; xnode = xnode.nextNode() ){
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335 if( xnode._xnodeType === 1 && ( isAll || tagName === xnode._tag ) ){
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337 if( merge[ uid ] ){
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340 merge[ uid ] = true;
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341 xnodes[ ++n ] = xnode;
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348 // case 6 : 属性ノードは実装しない
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351 if( combinator === 1 || ( isStart && selector < 7 ) ){
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352 //console.log( l + ' > ' + xnodes.length + ' tag:' + tagName );
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353 for( ; i < l; ++i ){
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354 xnode = parents[ i ];
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355 xnode._xnodes && xnode._xnodes.length && X.Dom.Query._fetchElements( xnodes, xnode, isAll ? null : tagName );
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357 //console.log( l + ' >> ' + xnodes.length + ' tag:' + tagName );
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363 //alert( 'pre-selector:' + ( xnodes && xnodes.length ) )
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365 switch( selector ){
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368 filter = [ 'id', 1, name ]; break;
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371 filter = [ 'class', 3 /*'~='*/, name ]; break;
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374 if( !( filter = X.Dom.Query._filter[ name ] ) ){
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380 filter = [ name, parsed[ 3 ], parsed[ 4 ] ]; break;
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384 parsed = parsed[ 2 ];
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388 xnodes = scope; break;
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392 xnodes = [ HTML ]; break;
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395 if( links = document.links ){
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396 for( xnodes = [], i = links.length; i; ){
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397 xnodes[ --i ] = new Node( links[ i ] );
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400 // area[href],a[href]
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404 if( filter && xnodes.length ){
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413 parsed[ 3 ], parsed[ 4 ]
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417 if( typeof filter === 'function' ){
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419 for( i = 0, n = -1; xnode = xnodes[ i ]; ++i ){
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420 if( ( !!filter( xnode ) ) ^ isNot ) tmp[ ++n ] = xnode;
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430 key = X_Node_Attr.renameForTag[ key ] || key;
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433 if( !isXML && key === 'class' && op === 3 ){
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435 for( i = 0, n = -1; xnode = xnodes[ i ]; ++i ){
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436 className = xnode._className;
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437 if( !!( className && ( _ + className + _ ).indexOf( val ) > -1 ) ^ isNot ) tmp[ ++n ] = xnode;
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442 // flag_call = ($.browser.safari && key === 'selected');
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443 // getAttributeを使わない
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444 useName = X.UA.IE && key !== 'href' && key !== 'src';
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445 toLower = !!val && !isXML && noLower.indexOf( key ) === -1; //!noLower.test(key);
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446 if( toLower ) val = val.toLowerCase();
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447 if( op === 3 ) val = _ + val + _;
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449 for( i = 0, n = -1, l = xnodes.length; i < l; ++i ){
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450 xnode = xnodes[ i ];
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452 key === 'id' ? xnode._id :
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453 key === 'class' ? xnode._className :
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454 xnode._attrs && xnode._attrs[ key ];
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456 // funcAttr( elem, key ) :
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458 // elem[ X_Node_Attr.renameForDOM[ key ] || key ] :
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459 // elem.getAttribute( key, 2 );
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460 flag = attr != null;// && ( !useName || attr !== '' );
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462 if( toLower ) attr = attr.toLowerCase();
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466 flag = attr === val;
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469 flag = attr !== val;
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472 flag = ( _ + attr + _ ).indexOf( val ) !== -1;
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475 flag = attr.indexOf( val ) === 0;
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478 flag = attr.lastIndexOf( val ) + val.length === attr.length;
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481 flag = attr.indexOf( val ) !== -1;
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484 flag = attr === val || attr.substring( 0, val.length + 1 ) === val + '-';
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488 if( !!flag ^ isNot ) tmp[ ++n ] = xnode;
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498 //console.log( '//end :' + ( xnodes && xnodes.length ) );
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500 //console.log( 'multi:' + ( xnodes && xnodes.length ) );
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502 // tree 順に並び替え、同一要素の排除
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504 xnodes && xnodes.length && ARY_PUSH.apply( ret, xnodes );
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506 if( l < 2 ) return ret[ 0 ] || Node.none;
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510 for( i = 0, n = -1; i < l; ++i ){
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511 //alert( 'multi:' + i )
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513 if( !merge[ uid = xnode._uid ] ){
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514 merge[ uid ] = true;
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515 xnodes[ ++n ] = xnode;
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518 X.Dom.Query._sortElementOrder( ret = [], xnodes, hasRoot ? [ HTML ] : HTML._xnodes );
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522 return xnodes.length === 1 ? xnodes[ 0 ] : new X.Dom.NodeList( xnodes );
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525 X.Dom.Query._sortElementOrder = function( newList, list, xnodes ){
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526 var l = xnodes.length,
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529 for( ; i < l; ++i ){
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530 child = xnodes[ i ];
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531 if( child._xnodeType !== 1 ) continue;
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532 //console.log( child._tag );
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533 if( ( j = list.indexOf( child ) ) !== -1 ){
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534 newList[ newList.length ] = child;
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535 list.splice( j, 1 );
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536 if( list.length === 1 ){
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537 newList[ newList.length ] = list[ 0 ];
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541 if( list.length === 0 ) return true;
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543 if( ( _xnodes = child._xnodes ) && X.Dom.Query._sortElementOrder( newList, list, _xnodes ) ){
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549 X.Dom.Query._fetchElements = function( list, parent, tag ){
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550 var xnodes = parent._xnodes,
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554 for( ; i < l; ++i ){
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555 child = xnodes[ i ];
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556 if( child._xnodeType === 1 ){
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557 ( !tag || child._tag === tag ) && ( list[ list.length ] = child );
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558 //console.log( parent._tag + ' > ' + child._tag + ' == ' + tag+ ' l:' + list.length );
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559 child._xnodes && child._xnodes.length && X.Dom.Query._fetchElements( list, child, tag );
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564 X.Dom.Query._funcSelectorChild = function( type, flag_all, flags, xnodes ){
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566 flag_not = flags.not,
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567 i = 0, n = -1, xnode, node,
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569 for( ; xnode = xnodes[ i ]; ++i ){
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570 tagName = flag_all || xnode._tag;
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572 if( /* tmp === null && */ type <= 0 ){
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573 for( node = xnode.prevNode(); node; node = node.prevNode() ){
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574 if( node._xnodeType === 1 && ( flag_all || tagName === node._tag ) ){
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580 if( tmp === null && 0 <= type ){
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581 for( node = xnode.nextNode(); node; node = node.nextNode() ){
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582 if( node._xnodeType === 1 && ( flag_all || tagName === node._tag ) ){
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588 if( tmp === null ) tmp = true;
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589 if( tmp ^ flag_not ) res[ ++n ] = xnode;
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593 X.Dom.Query._funcSelectorNth = function( pointer, sibling, flag_all, flags, xnodes, a, b ){
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594 var _data = funcData,
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597 flag_not = flags.not,
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598 i = 0, n = -1, uid,
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599 c, xnode, tmp, node, tagName;
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600 for( ; xnode = xnodes[ i ]; ++i ){
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602 tmp = checked[ uid ];
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603 if( tmp === void 0 ){
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604 for( c = 0, node = xnode.parent[ pointer ](), tagName = flag_all || xnode._tag; node; node = node[ sibling ]() ){
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605 if( node._xnodeType === 1 && ( flag_all || tagName === node._tag ) ){
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607 checked[ node._uid ] = a === 0 ? c === b : (c - b) % a === 0 && (c - b) / a >= 0;
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610 tmp = checked[ uid ];
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612 if( tmp ^ flag_not ) res[ ++n ] = xnode;
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616 X.Dom.Query._funcSelectorProp = function( prop, flag, flags, xnodes ){
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618 flag_not = flag ? flags.not : !flags.not,
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619 i = 0, n = -1, xnode;
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620 for( ; xnode = xnodes[ i ]; ++i ){
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621 if( xnode._attrs && xnode._attrs[ prop ] ^ flag_not ) res[ ++n ] = xnode;
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626 X.Dom.Query._filter = {
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627 root : function( elem ){
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628 return elem === ( elem.ownerDocument || elem.document ).documentElement;
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631 m : function( flags, xnodes ){
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633 hash = location.hash.slice( 1 ),
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634 flag_not = flags.not,
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635 i = 0, n = -1, xnode;
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636 for ( ; xnode = xnodes[ i ]; ++i ){
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637 if( ( ( xnode._id || xnode._attrs && xnode._attrs.name ) === hash ) ^ flag_not ) res[ ++n ] = xnode;
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643 m : function( flags, xnodes ){ return X.Dom.Query._funcSelectorChild( -1, true, flags, xnodes ); }
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646 m : function( flags, xnodes ){ return X.Dom.Query._funcSelectorChild( 1, true, flags, xnodes ); }
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649 m : function( flags, xnodes ){ return X.Dom.Query._funcSelectorChild( 0, true, flags, xnodes ); }
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651 'first-of-type' : {
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652 m : function( flags, xnodes ){ return X.Dom.Query._funcSelectorChild( -1, false, flags, xnodes ); }
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655 m : function( flags, xnodes ){ return X.Dom.Query._funcSelectorChild( 1, false, flags, xnodes ); }
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658 m : function( flags, xnodes ){ return X.Dom.Query._funcSelectorChild( 0, false, flags, xnodes ); }
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661 m : function( flags, xnodes, a, b ){ return X.Dom.Query._funcSelectorNth( 'firstChild', 'nextNode', true, flags, xnodes, a, b ); }
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663 'nth-last-child' : {
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664 m : function( flags, xnodes, a, b ){ return X.Dom.Query._funcSelectorNth( 'lastChild', 'prevNode', true, flags, xnodes, a, b ); }
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667 m : function( flags, xnodes, a, b ){ return X.Dom.Query._funcSelectorNth( 'firstChild', 'nextNode', false, flags, xnodes, a, b ); }
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669 'nth-last-of-type' : {
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670 m : function( flags, xnodes, a, b ){ return X.Dom.Query._funcSelectorNth( 'lastChild', 'prevNode', false, flags, xnodes, a, b ); }
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673 m : function( flags, xnodes ){
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675 flag_not = flags.not,
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676 i = 0, n = -1, xnode, tmp, node;
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677 for( ; xnode = xnodes[i]; ++i ){
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679 for( node = xnode.firstChild(); node; node = node.nextSibling() ){
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680 if( node._xnodeType === 1 || ( node._xnodeType === 3 && node._text ) ){
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685 if( tmp ^ flag_not ) res[ ++n ] = xnode;
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691 m : function( flags, xnodes ){
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692 var links = ( xnodes[ 0 ].ownerDocument || xnodes[ 0 ].document ).links,
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695 checked, flag_not, i, link, xnode, n;
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696 if( !links ) return res;
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698 flag_not = flags.not;
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699 for( i = 0; link = links[ i ]; ++i ){
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700 checked[ ( new Node( link ) )._uid ] = true;
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702 for( i = 0, n = -1; xnode = xnodes[ i ]; ++i ){
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703 if( checked[ xnode._uid ] ^ flag_not ) res[ ++n ] = xnode;
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709 m : function( flags, xnodes, arg ){
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711 //reg = new RegExp('^' + arg, 'i'),
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712 flag_not = flags.not,
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713 i = 0, n = -1, xnode, tmp, lang;
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714 arg = arg.toLowerCase();
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715 for( ; tmp = xnode = xnodes[ i ]; ++i ){
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716 while( tmp && !( lang = tmp._attrs && tmp._attrs[ 'lang' ] ) ){
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719 //tmp = !!(tmp && reg.test(tmp.getAttribute('lang')));
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720 if( ( !!lang && lang.toLowerCase().indexOf( arg ) === 0 ) ^ flag_not ) res[ ++n ] = xnode;
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726 m : function( flags, xnodes ){ return X.Dom.Query._funcSelectorProp( 'disabled', false, flags, xnodes ); }
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729 m : function( flags, xnodes ){ return X.Dom.Query._funcSelectorProp( 'disabled', true, flags, xnodes ); }
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732 m : function( flags, xnodes ){ return X.Dom.Query._funcSelectorProp( 'checked', true, flags, xnodes ); }
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735 m : function( flags, xnodes, arg ){
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737 flag_not = flags.not,
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738 i = 0, n = -1, xnode;
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739 for( ; xnode = xnodes[ i ]; ++i ){
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740 if ( ( -1 < ( xnode.text() ).indexOf( arg ) ) ^ flag_not ) res[ ++n ] = xnode;
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