0.6.x/js/02_dom/08_XNodeSelector.js

   1 /**\r
   2  * Original code by ofk ( kQuery, ksk )\r
   3  * http://d.hatena.ne.jp/ofk/comment/20090106/1231258010\r
   4  * http://d.hatena.ne.jp/ofk/20090111/1231668170 \r
   5  *\r
   6  * セレクタ Level 3\r
   7  * http://standards.mitsue.co.jp/resources/w3c/TR/css3-selectors/#nth-child-pseudo\r
   8  */\r
   9 \r
  10 var\r
  11         X_Node_Selector__PSEUDO    = {\r
  12                 'nth-child'        : 9,\r
  13                 'nth-last-child'   : 14,\r
  14                 'nth-of-type'      : 11,\r
  15                 'nth-last-of-type' : 16,\r
  16                 root               : 4,\r
  17                 link               : 4,\r
  18                 lang               : 4,\r
  19                 empty              : 5,\r
  20                 target             : 6,\r
  21                 invalid            : 7,\r
  22                 enabled            : 7,\r
  23                 checked            : 7,\r
  24                 disabled           : 8,\r
  25                 contains           : 8,\r
  26                 'last-child'       : 10,\r
  27                 'only-child'       : 10,                        \r
  28                 'first-child'      : 11,\r
  29                 'last-of-type'     : 12,\r
  30                 'only-of-type'     : 12,                \r
  31                 'first-of-type'    : 13\r
  32         },\r
  33         \r
  34         X_Node_Selector__COMBINATOR = {\r
  35                 ''    : 0, // none\r
  36                 ' '   : 1, // 子孫セレクタ\r
  37                 '>'   : 2, // 子セレクタ\r
  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\r
  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\r
  40                 ','   : 5,\r
  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\r
  42         },\r
  43         X_Node_Selector__SELECTOR = {\r
  44                 ''    : 0, // none\r
  45                 tag   : 1,\r
  46                 '#'   : 2,\r
  47                 '.'   : 3,\r
  48                 ':'   : 4,\r
  49                 '['   : 5,\r
  50                 not   : 6,\r
  51                 scope : 7,\r
  52                 root  : 8,\r
  53                 link  : 9\r
  54         },\r
  55         X_Node_Selector__OPERATORS = { '==' : 1, '!=': 2, '~=': 3, '^=': 4, '$=': 5, '*=': 6, '|=': 7 }, // '':0 は属性が存在するならtrue\r
  56         // TODO { a : 1, A : 2, _ : 3,,, }\r
  57         X_Node_Selector__ALPHABET  = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_-0123456789\\',\r
  58         X_Node_Selector__NUMBER    = '+-0123456789';\r
  59 \r
  60 // XMLWrapper のために今だけ外部に公開\r
  61 X_NodeSelector_parse = X_Node_Selector__parse;\r
  62                 \r
  63 /*\r
  64  * セレクタ文字列の解析、但し一挙に行わず、ひと塊づつ\r
  65  * 結合子 + 単体セレクタ( タグ,*,#,.,[],: )\r
  66  * ' ' 子孫セレクタ, '>' 直下,'+','~' の場合、tagName|* を返す\r
  67  * return [ 今回のパースで解析した終端位置, [ selector, ... ] ] error: return pointer\r
  68  */\r
  69 function X_Node_Selector__parse( query, last ){\r
  70         var COMBINATOR = X_Node_Selector__COMBINATOR,\r
  71                 SELECTOR   = X_Node_Selector__SELECTOR,\r
  72                 OPERATORS  = X_Node_Selector__OPERATORS,\r
  73                 ALPHABET   = X_Node_Selector__ALPHABET,\r
  74                 NUMBER     = X_Node_Selector__NUMBER,\r
  75                 result     = [],\r
  76                 i          = -1,\r
  77                 l          = query.length,\r
  78                 phase      = 0x0,\r
  79                 combinator = 0,\r
  80                 selector   = 0,\r
  81                 chr, chrCode, nameChr, name1st,\r
  82                 tmp, escape, quot, start,\r
  83                 name, key, value, operator, a, b, not;\r
  84         query += ' ';\r
  85         while( i < l ){\r
  86                 chr     = query.charAt( ++i );\r
  87                 chrCode = ALPHABET.indexOf( chr );\r
  88                 nameChr = chrCode !== -1;\r
  89                 name1st = nameChr && chrCode < 52;\r
  90                 switch( phase ){\r
  91                         case 0x0 :\r
  92                                 name1st ? // tagName\r
  93                                         ( ( selector = 1 ) && ( phase = 0x2 ) && ( start = i ) ) :\r
  94                                 !not && ( tmp = COMBINATOR[ chr ] ) ? (\r
  95                                         ( 1 < tmp && 1 < combinator ) ?\r
  96                                                 ( phase = 0xf ) :\r
  97                                                 ( 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\r
  98                                 ( tmp = SELECTOR[ chr ] ) ? // [\r
  99                                         ( selector = tmp ) && ( phase = selector === 5 ? 0x4 : 0x1 ) : // 7:[, 0<:\r
 100                                 chr === '*' ?\r
 101                                         ( ( selector = 1 ) && ( name = chr ) && ( phase = 0xe ) && ++i ) :\r
 102                                         chr !== ' ' && ( phase = 0xf );\r
 103                                 //console.log( '0x0: ' + name1st + ' ' + chrCode + ' ' + chr + ' ' + phase + ' tmp:' + tmp + ' comb:' + combinator );\r
 104                                 break;\r
 105                         case 0x1 :\r
 106                                 name1st ?\r
 107                                         ( ( start = i ) && ( phase = 0x2 ) ) :\r
 108                                         chr !== ' ' && ( phase = 0xf );\r
 109                                 break;\r
 110                         case 0x2 :\r
 111                                 !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\r
 112                                         ( name = query.substring( start, i ) ) && ( phase = selector === 4 && name !== 'not' && chr === '(' ? ( name !== 'lang' && name !== 'contains' ? 0x8 : 0xb ) : 0xe ) :\r
 113                                 SELECTOR[ chr ] < 4 && ( phase = 0xe );\r
 114                                 break;\r
 115                         \r
 116                         case 0x3 : //:nth-\r
 117                                 break;\r
 118                         \r
 119                         case 0x4 : // start attr filter\r
 120                                 name1st ?\r
 121                                         ( ( phase = 0x5 ) && ( start = i ) ) :\r
 122                                         ( phase = 0xf );\r
 123                                 break;\r
 124                         case 0x5 : // attr filter key\r
 125                                 chr === '=' ?\r
 126                                         ( ( operator = 1 ) && ( phase = 0x6 ) && ( key || ( key = query.substring( start, i ) ) ) && ( start = i + 1 ) ) :\r
 127                                 chr === ']' ?\r
 128                                         ( !( operator = 0 ) && ( phase = 0xe ) && ( key || ( key = query.substring( start, i ) ) ) && ++i ) :\r
 129                                 chr === ' ' ?\r
 130                                         ( key || ( key = query.substring( start, i ) ) ) :\r
 131                                 ( operator = OPERATORS[ query.substr( i, 2 ) ] ) ?\r
 132                                         ( ( phase = 0x6 ) && ( key || ( key = query.substring( start, i ) ) ) && ( start = ++i ) ) :\r
 133                                         !nameChr && ( phase = 0xf );\r
 134                                 //console.log( name1st + ' ' + chrCode + chr + phase );\r
 135                                 break;\r
 136                         case 0x6 :\r
 137                                 ( chr === '"' || chr === "'" ) && !escape && !quot ?\r
 138                                         ( quot = chr ) && ( start = i + 1 ) && ( phase = 0x7 ) :\r
 139                                         chr !== ' ' && ( start = i ) && ( phase = 0x7 );\r
 140                                 break;\r
 141                                 \r
 142                         case 0x7 : // attr filter value\r
 143                                 chr === quot ?\r
 144                                         !escape && !value && ( value = query.substring( start, i ) ) :\r
 145                                 chr === ']' ?\r
 146                                         ( ( value || ( value = query.substring( start, i ) ) ) && ( phase = 0xe ) && ++i ) :    \r
 147                                 chr === ' ' && !quot && !value && ( value = query.substring( start, i ) );                      \r
 148                                         //( chr === '"' || chr === "'" ) && !quot && ( quot = chr ) && ( start = i + 1 );\r
 149                                 break;\r
 150                                 \r
 151                         case 0x8 : // 4, 2n, even, odd, -n+4,\r
 152                                 NUMBER.indexOf( chr ) !== -1 ?\r
 153                                         ( start = i ) && ( phase = 0x9 ) :\r
 154                                 chr === 'n' ?\r
 155                                         ( phase = 0xa ) && ( a = 1 ) && ( start = i + 1 ) :\r
 156                                 query.substr( i, 4 ) === 'even' ?\r
 157                                         ( ( a = 2 ) && !( b = 0 ) && ( i += 3 ) ) :\r
 158                                 query.substr( i, 3 ) === 'odd' ?\r
 159                                         ( ( a = 2 ) && ( b = 1 ) && ( i += 2 ) ) :                                      \r
 160                                 chr === ')' && ( phase = a ? 0xe : 0xf ) && ++i;\r
 161                                 //console.log( '0x8: ' + name1st + ' ' + chrCode + ' ' + chr + ' ' + phase + ' ' + name );\r
 162                                 break;\r
 163                         case 0x9 :\r
 164                                 tmp = query.substring( start, i );\r
 165                                 chr === 'n' ?\r
 166                                         ( phase = 0xa ) && ( start = i + 1 ) && ( a = tmp === '+' ? 1 : tmp === '-' ? -1 : parseFloat( tmp ) ) :\r
 167                                 chr === ')' && ( phase = 0xe ) && ++i && ( b = parseFloat( tmp ) ) && ( a = 0 );\r
 168                                 //console.log( '0x9: ' + name1st + ' ' + chrCode + ' ' + chr + ' ' + phase );\r
 169                                 break;\r
 170                         case 0xa :\r
 171                                 chr === ')' && ( phase = 0xe ) && ++i && ( b = parseFloat( query.substring( start, i ) ) || 0 );\r
 172                                 console.log( '0xa: ' + start + ' ' + i );\r
 173                                 break;\r
 174                         // contains, lang\r
 175                         case 0xb :\r
 176                                 ( chr === '"' || chr === "'" ) && !escape && !quot &&\r
 177                                         ( quot = chr ) && ( start = i + 1 ) && ( phase = 0xc );\r
 178                                 break;  \r
 179                         case 0xc :\r
 180                                 chr === quot && !escape && ( value = query.substring( start, i ) ) && ( phase = 0xd );\r
 181                                 break;\r
 182                         case 0xd :\r
 183                                 chr === ')' && ( phase = 0xe ) && ++i;                          \r
 184                                 break;\r
 185                         default :\r
 186                 };\r
 187                 \r
 188                 if( phase === 0xf ) return i;\r
 189                 \r
 190                 //alert( chr + ' ' + phase + ' ' + selector + ' ' + name + ' ' + name1st )\r
 191                 if( phase === 0xe ){\r
 192                         if( selector === 4 ){// :not\r
 193                                 if( name === 'not' ){\r
 194                                         if( not ){\r
 195                                                 return i; // error\r
 196                                         } else {\r
 197                                                 not      = true;\r
 198                                                 selector = 0;\r
 199                                                 phase    = 0x0;\r
 200                                                 name     = null;                                        \r
 201                                         };\r
 202                                         //continue;\r
 203                                 } else\r
 204                                 if( name === 'lang' || name === 'contains' ){\r
 205                                         result = [ not ? 0 : combinator, selector, name, value ];\r
 206                                         break;\r
 207                                 } else {\r
 208                                         if( a !== a || b !== b ) return i;\r
 209                                         result = [ not ? 0 : combinator, selector, name, a, b ];\r
 210                                         break;  \r
 211                                 };\r
 212                         } else {\r
 213                                 result =\r
 214                                         combinator === 5 ?\r
 215                                                 5 :\r
 216                                         selector === 5 ?\r
 217                                                 [ not ? 0 : combinator, selector, key, operator, value ] :\r
 218                                                 [ not ? 0 : combinator, selector, name.split( '\\' ).join( '' ) ];\r
 219                                 break;                          \r
 220                         };\r
 221                 };\r
 222 \r
 223                 escape = chr === '\\' && !escape;\r
 224         };\r
 225         //if( phase !== 0xe ) return i;\r
 226         if( not && ( tmp = query.substr( i ).indexOf( ')' ) ) === -1 ) return i;\r
 227         return not ? [ i + tmp + 1, [ combinator, 6, result ] ] : [ i, result ];\r
 228 };\r
 229 \r
 230         // セレクター\r
 231         X.Doc.find = X_shortcutFunction = Node.prototype.find = X_NodeList.prototype.find = function ( queryString ){\r
 232                 var HTML      = X_Node_html,\r
 233                         scope     = this.constructor === X_NodeList && this.length ? this : [ this.constructor === Node ? this : X_Node_body ],\r
 234                         parents   = scope, // 探索元の親要素 XNodeList の場合あり\r
 235                         // TODO { title : true,,, }\r
 236                         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( ' ' ),\r
 237                         ARY_PUSH  = Array.prototype.push,\r
 238                         ret       = [], // 結果要素\r
 239                         root      = X_Node_getRoot( scope[ 0 ] ),\r
 240                         isXML     = !!X_Node_isXmlDocument( root ),\r
 241                         isMulti   = 1 < scope.length,// 要素をマージする必要がある\r
 242                         isStart   = true,\r
 243                         _         = ' ',\r
 244                         isAll, isNot, hasRoot,\r
 245                         l, i, n, parsed,\r
 246                         xnodes, // 一時保存用\r
 247                         merge, // 要素がコメントノードで汚染されている場合使う\r
 248                         combinator, selector, name, tagName,\r
 249                         uid, tmp, xnode, filter, key, op, val, toLower, useName,\r
 250             links, className, attr, flag;\r
 251 \r
 252                 /*@+debug[*/\r
 253                 if( X_ViewPort_readyState < X_Event.XDOM_READY ){\r
 254                         alert( 'not ready! use X.ViewPort.listenOnce( X_Event.XDOM_READY, callback )' );\r
 255                         return;\r
 256                 };\r
 257                 /*]@+debug*/\r
 258 \r
 259                 // 文字列以外は空で返す\r
 260                 if( typeof queryString !== 'string' ) return ret;\r
 261                 \r
 262                 xnodes = [];\r
 263                 \r
 264                 // 以下、パースと探索\r
 265                 for( ; queryString.length; ){\r
 266                         //console.log( 'queryString[' + queryString + ']' );\r
 267                         \r
 268                         // 初期化処理\r
 269                         if( !parsed ){\r
 270                                 parsed = X_Node_Selector__parse( queryString );\r
 271                                 \r
 272                                 if( typeof parsed === 'number' ){\r
 273                                         // error\r
 274                                         return [];\r
 275                                 };\r
 276                                 \r
 277                                 queryString = queryString.substr( parsed[ 0 ] );\r
 278                                 parsed      = parsed[ 1 ];\r
 279                                 \r
 280                                 //console.log( 'X_Node_Selector__parse ' + parsed );\r
 281                                 \r
 282                                 if( parsed === 5 ){\r
 283                                         isMulti = true;\r
 284                                         parents = scope;\r
 285                                         xnodes && xnodes.length && ARY_PUSH.apply( ret, xnodes );\r
 286                                         parsed  = null;\r
 287                                         xnodes  = [];\r
 288                                         isStart = true;\r
 289                                         continue;\r
 290                                 };\r
 291                         };\r
 292                         \r
 293                         combinator  = parsed[ 0 ];\r
 294                         selector    = parsed[ 1 ];\r
 295                         name        = parsed[ 2 ];\r
 296                         tagName     = selector === 1 ? ( isXML ? name : name.toUpperCase() ) : '*';\r
 297                         isAll       = tagName === '*';\r
 298         \r
 299                         if( !isStart ){\r
 300                                 if( !xnodes.length ){\r
 301                                         parsed = null;\r
 302                                         continue;                                       \r
 303                                 } else\r
 304                                 if( combinator !== 0 ){\r
 305                                         parents = xnodes;\r
 306                                         xnodes  = [];\r
 307                                         //console.log( 'cobinator !== 0 ' + parents.length + ' : ' + xnodes.length );\r
 308                                 };\r
 309                         };\r
 310                         \r
 311                         i = 0;\r
 312                         l = parents.length;\r
 313                         n = -1; \r
 314                         isMulti = isMulti || 1 < l;\r
 315                         \r
 316                         //console.log( 'combinator ' + combinator );\r
 317         \r
 318                         switch( combinator ){\r
 319                                 // > TagName|*\r
 320                                 case 2 :\r
 321                                         for( ; i < l; ++i ){\r
 322                                                 for( xnode = parents[ i ].firstChild(); xnode; xnode = xnode.next() ){\r
 323                                                         if( xnode._tag && ( isAll || tagName === xnode._tag ) ) xnodes[ ++n ] = xnode;\r
 324                                                 };                              \r
 325                                         };\r
 326                                         break;\r
 327                                 // + TagName|*\r
 328                                 case 3 :\r
 329                                         for( ; i < l; ++i ){\r
 330                                                 for( xnode = parents[ i ].next(); xnode; xnode = xnode.next() ){\r
 331                                                         if( xnode._tag ){\r
 332                                                                 if( isAll || tagName === xnode._tag ) xnodes[ ++n ] = xnode;\r
 333                                                                 break;\r
 334                                                         };                                                                      \r
 335                                                 };                                                              \r
 336                                         };\r
 337                                         break;\r
 338                                 // ~ TagName|*\r
 339                                 case 4 :\r
 340                                         merge  = {};\r
 341                                         for( ; i < l; ++i ){\r
 342                                                 for( xnode = parents[ i ].next(); xnode; xnode = xnode.next() ){\r
 343                                                         if( xnode._tag && ( isAll || tagName === xnode._tag ) ){\r
 344                                                                 uid = xnode._uid;\r
 345                                                                 if( merge[ uid ] ){\r
 346                                                                         break;\r
 347                                                                 } else {\r
 348                                                                         merge[ uid ] = true;\r
 349                                                                         xnodes[ ++n ] = xnode;\r
 350                                                                 };\r
 351                                                         };                                                                      \r
 352                                                 };                                                              \r
 353                                         };\r
 354                                         break;\r
 355                                 \r
 356                                 // case 6 : 属性ノードは実装しない\r
 357                                 \r
 358                                 default :\r
 359                                         if( combinator === 1 || ( isStart && selector < 7 ) ){\r
 360                                                 //console.log( l + ' > ' + xnodes.length + ' tag:' + tagName );\r
 361                                                 for( ; i < l; ++i ){\r
 362                                                         xnode = parents[ i ];\r
 363                                                         xnode._xnodes && xnode._xnodes.length && X_Node_Selector__fetchElements( xnodes, xnode, isAll ? null : tagName );\r
 364                                                 };\r
 365                                                 //console.log( l + ' >> ' + xnodes.length + ' tag:' + tagName );\r
 366                                         };\r
 367                         };\r
 368                         \r
 369                         isStart = false;\r
 370                         \r
 371                         //alert( 'pre-selector:' + ( xnodes && xnodes.length ) )\r
 372                         \r
 373                         switch( selector ){\r
 374                                 // #, ID\r
 375                                 case 2 :\r
 376                                         filter = [ 'id', 1, name ]; break;\r
 377                                 // ., class\r
 378                                 case 3 :\r
 379                                         filter = [ 'class', 3 /*'~='*/, name ]; break;\r
 380                                 // :, 擬似クラス\r
 381                                 case 4 :\r
 382                                         if( !( filter = X_Node_Selector__filter[ name ] ) ){\r
 383                                                 return [];\r
 384                                         };\r
 385                                         break;\r
 386                                 // [] 属性\r
 387                                 case 5 :\r
 388                                         filter = [ name, parsed[ 3 ], parsed[ 4 ] ]; break;\r
 389                                 // :not\r
 390                                 case 6 :\r
 391                                         isNot  = true;\r
 392                                         parsed = parsed[ 2 ];\r
 393                                         continue;\r
 394                                 // scope\r
 395                                 case 7 :\r
 396                                         xnodes = scope; break;\r
 397                                 // root\r
 398                                 case 8 :\r
 399                                         hasRoot = true;\r
 400                                         xnodes = [ HTML ]; break;\r
 401                                 // link\r
 402                                 case 9 :\r
 403                                         if( links = document.links ){\r
 404                                                 for( xnodes = [], i = links.length; i; ){\r
 405                                                         xnodes[ --i ] = new Node( links[ i ] );\r
 406                                                 };\r
 407                                         } else {\r
 408                                                 // area[href],a[href]\r
 409                                         };\r
 410                         };\r
 411                         \r
 412                         if( filter && xnodes.length ){\r
 413                                 // filter.mが関数の場合\r
 414                                 if( filter.m ){\r
 415                                         xnodes = filter.m(\r
 416                                                 {\r
 417                                                         not : isNot,\r
 418                                                         xml : isXML\r
 419                                                 },\r
 420                                                 xnodes,\r
 421                                                 parsed[ 3 ], parsed[ 4 ]\r
 422                                         );\r
 423                                 } else\r
 424                                 // filterが関数の場合\r
 425                                 if( typeof filter === 'function' ){\r
 426                                         tmp = [];\r
 427                                         for( i = 0, n = -1; xnode = xnodes[ i ]; ++i ){\r
 428                                                 if( ( !!filter( xnode ) ) ^ isNot ) tmp[ ++n ] = xnode; \r
 429                                         };\r
 430                                         xnodes = tmp;\r
 431                                 } else {\r
 432                                 // 属性セレクター                        \r
 433                                         tmp = [];\r
 434                                         key = filter[ 0 ];\r
 435                                         op  = filter[ 1 ];\r
 436                                         val = filter[ 2 ];\r
 437                                         \r
 438                                         key = X_Node_Attr_renameForTag[ key ] || key;\r
 439                                         \r
 440                                         // [class~='val']\r
 441                                         if( !isXML && key === 'class' && op === 3 ){\r
 442                                                 val = _ + val + _;\r
 443                                                 for( i = 0, n = -1; xnode = xnodes[ i ]; ++i ){\r
 444                                                         className = xnode._className;\r
 445                                                         if( !!( className && ( _ + className + _ ).indexOf( val ) > -1 ) ^ isNot ) tmp[ ++n ] = xnode;\r
 446                                                 };\r
 447                                         } else {\r
 448                                         // 通常\r
 449                                                 // 諦めて、funcAttrを呼ぶ\r
 450                                                 // flag_call  = ($.browser.safari && key === 'selected');\r
 451                                                 // getAttributeを使わない\r
 452                                                 useName = X_UA[ 'IE' ] && key !== 'href' && key !== 'src';\r
 453                                                 toLower = !!val && !isXML && noLower.indexOf( key ) === -1; //!noLower.test(key);\r
 454                                                 if( toLower ) val = val.toLowerCase();\r
 455                                                 if( op === 3 ) val = _ + val + _;\r
 456 \r
 457                                                 for( i = 0, n = -1, l = xnodes.length; i < l; ++i ){\r
 458                                                         xnode = xnodes[ i ];\r
 459                                                         attr =\r
 460                                                                 key === 'id' ? xnode._id :\r
 461                                                                 key === 'class' ? xnode._className :\r
 462                                                                 xnode._attrs && xnode._attrs[ key ];\r
 463                                                                 //flag_call ?\r
 464                                                                 //      funcAttr( elem, key ) :\r
 465                                                                 //useName ?\r
 466                                                                 //      elem[ X_Node_Attr_renameForDOM[ key ] || key ] :\r
 467                                                                 //      elem.getAttribute( key, 2 );\r
 468                                                         flag = attr != null;// && ( !useName || attr !== '' );\r
 469                                                         if( flag && op ){\r
 470                                                                 if( toLower ) attr = attr.toLowerCase();\r
 471                                                                 \r
 472                                                                 switch( op ){\r
 473                                                                         case 1: // =\r
 474                                                                                 flag = attr === val;\r
 475                                                                                 break;\r
 476                                                                         case 2: // !=\r
 477                                                                                 flag = attr !== val;\r
 478                                                                                 break;\r
 479                                                                         case 3: // ~=\r
 480                                                                                 flag = ( _ + attr + _ ).indexOf( val ) !== -1;\r
 481                                                                                 break;\r
 482                                                                         case 4: // ^=\r
 483                                                                                 flag = attr.indexOf( val ) === 0;\r
 484                                                                                 break;\r
 485                                                                         case 5: // $=\r
 486                                                                                 flag = attr.lastIndexOf( val ) + val.length === attr.length;\r
 487                                                                                 break;\r
 488                                                                         case 6: // *=\r
 489                                                                                 flag = attr.indexOf( val ) !== -1;\r
 490                                                                                 break;\r
 491                                                                         case 7: // |=\r
 492                                                                                 flag = attr === val || attr.substring( 0, val.length + 1 ) === val + '-';\r
 493                                                                                 break;\r
 494                                                                 };\r
 495                                                         };\r
 496                                                         if( !!flag ^ isNot ) tmp[ ++n ] = xnode;\r
 497                                                 };\r
 498                                         };\r
 499                                         xnodes = tmp;\r
 500                                 };\r
 501                         };\r
 502                         filter  = null;\r
 503                         isNot   = false;\r
 504                         parsed  = null;\r
 505                         \r
 506                         //console.log( '//end :' + ( xnodes && xnodes.length ) );\r
 507                 };\r
 508                 //console.log( 'multi:' + ( xnodes && xnodes.length ) );\r
 509                 \r
 510                 // tree 順に並び替え、同一要素の排除\r
 511                 if( isMulti ){\r
 512                         xnodes && xnodes.length && ARY_PUSH.apply( ret, xnodes );\r
 513                         l = ret.length;\r
 514                         if( l < 2 ) return ret[ 0 ] || X_Node_none;\r
 515                         \r
 516                         xnodes = [];\r
 517                         merge  = {};\r
 518                         for( i = 0, n = -1; i < l; ++i ){\r
 519                                 //alert( 'multi:' + i )\r
 520                                 xnode = ret[ i ];\r
 521                                 if( !merge[ uid = xnode._uid ] ){\r
 522                                         merge[ uid ] = true;\r
 523                                         xnodes[ ++n ] = xnode;\r
 524                                 };\r
 525                         };\r
 526                         X_Node_Selector__sortElementOrder( ret = [], xnodes, hasRoot ? [ HTML ] : HTML._xnodes );\r
 527                         xnodes = ret;\r
 528                 };\r
 529 \r
 530                 return xnodes.length === 1 ? xnodes[ 0 ] : new X_NodeList( xnodes );\r
 531         };\r
 532         \r
 533         function X_Node_Selector__sortElementOrder( newList, list, xnodes ){\r
 534                 var l = xnodes.length,\r
 535                         i = 0,\r
 536                         j, child, _xnodes;\r
 537                 for( ; i < l; ++i ){\r
 538                         child = xnodes[ i ];\r
 539                         if( !child._tag ) continue;\r
 540                         //console.log( child._tag );\r
 541                         if( ( j = list.indexOf( child ) ) !== -1 ){\r
 542                                 newList[ newList.length ] = child;\r
 543                                 list.splice( j, 1 );\r
 544                                 if( list.length === 1 ){\r
 545                                         newList[ newList.length ] = list[ 0 ];\r
 546                                         list.length = 0;\r
 547                                         return true;\r
 548                                 };\r
 549                                 if( list.length === 0 ) return true;\r
 550                         };\r
 551                         if( ( _xnodes = child._xnodes ) && X_Node_Selector__sortElementOrder( newList, list, _xnodes ) ){\r
 552                                 return true;\r
 553                         };\r
 554                 };\r
 555         };\r
 556         \r
 557         function X_Node_Selector__fetchElements( list, parent, tag ){\r
 558                 var xnodes = parent._xnodes,\r
 559                         l      = xnodes.length,\r
 560                         i      = 0,\r
 561                         child;\r
 562                 for( ; i < l; ++i ){\r
 563                         child = xnodes[ i ];\r
 564                         if( child._tag ){\r
 565                                 ( !tag || child._tag === tag ) && ( list[ list.length ] = child );\r
 566                                 //console.log( parent._tag + ' > ' + child._tag + ' == ' + tag+ ' l:' + list.length );\r
 567                                 child._xnodes && child._xnodes.length && X_Node_Selector__fetchElements( list, child, tag );\r
 568                         };\r
 569                 };\r
 570         };\r
 571 \r
 572         function X_Node_Selector__funcSelectorChild( type, flag_all, flags, xnodes ){\r
 573                 var res      = [],\r
 574                         flag_not = flags.not,\r
 575                         i = 0, n = -1, xnode, node,\r
 576                         tagName, tmp;\r
 577                 for( ; xnode = xnodes[ i ]; ++i ){\r
 578                         tagName = flag_all || xnode._tag;\r
 579                         tmp     = null;\r
 580                         if( /* tmp === null && */ type <= 0 ){\r
 581                                 for( node = xnode.prev(); node; node = node.prev() ){\r
 582                                         if( node._tag && ( flag_all || tagName === node._tag ) ){\r
 583                                                 tmp = false;\r
 584                                                 break;\r
 585                                         };\r
 586                                 };\r
 587                         };\r
 588                         if( tmp === null && 0 <= type ){\r
 589                                 for( node = xnode.next(); node; node = node.next() ){\r
 590                                         if( node._tag && ( flag_all || tagName === node._tag ) ){\r
 591                                                 tmp = false;\r
 592                                                 break;\r
 593                                         };              \r
 594                                 };                                              \r
 595                         };\r
 596                         if( tmp === null ) tmp = true;\r
 597                         if( tmp ^ flag_not ) res[ ++n ] = xnode;\r
 598                 };\r
 599                 return res;\r
 600         };\r
 601         function X_Node_Selector__funcSelectorNth( pointer, sibling, flag_all, flags, xnodes, a, b ){\r
 602                 var _data    = funcData,\r
 603                         res      = [],\r
 604                         checked  = {},\r
 605                         flag_not = flags.not,\r
 606                         i = 0, n = -1, uid,\r
 607                         c, xnode, tmp, node, tagName;\r
 608                 for( ; xnode = xnodes[ i ]; ++i ){\r
 609                         uid = xnode._uid;\r
 610                         tmp = checked[ uid ];\r
 611                         if( tmp === void 0 ){\r
 612                                 for( c = 0, node = xnode.parent[ pointer ](), tagName = flag_all || xnode._tag; node; node = node[ sibling ]() ){\r
 613                                         if( node._tag && ( flag_all || tagName === node._tag ) ){\r
 614                                                 ++c;\r
 615                                                 checked[ node._uid ] = a === 0 ? c === b : (c - b) % a === 0 && (c - b) / a >= 0;\r
 616                                         };                                                      \r
 617                                 };\r
 618                                 tmp = checked[ uid ];\r
 619                         };\r
 620                         if( tmp ^ flag_not ) res[ ++n ] = xnode;\r
 621                 };\r
 622                 return res;\r
 623         };\r
 624         function X_Node_Selector__funcSelectorProp( prop, flag, flags, xnodes ){\r
 625                 var res = [],\r
 626                         flag_not = flag ? flags.not : !flags.not,\r
 627                         i = 0, n = -1, xnode;\r
 628                 for( ; xnode = xnodes[ i ]; ++i ){\r
 629                         if( xnode._attrs && xnode._attrs[ prop ] ^ flag_not ) res[ ++n ] = xnode;\r
 630                 };\r
 631                 return res;\r
 632         };\r
 633 \r
 634 var X_Node_Selector__filter = {\r
 635         root : function( elem ){\r
 636                 return elem === ( elem.ownerDocument || elem.document ).documentElement;\r
 637         },\r
 638         target : {\r
 639                 m : function( flags, xnodes ){\r
 640                         var res  = [],\r
 641                                 hash = location.hash.slice( 1 ),\r
 642                                 flag_not = flags.not,\r
 643                                 i = 0, n = -1, xnode;\r
 644                         for ( ; xnode = xnodes[ i ]; ++i ){\r
 645                                 if( ( ( xnode._id || xnode._attrs && xnode._attrs.name ) === hash ) ^ flag_not ) res[ ++n ] = xnode;                                            \r
 646                         };\r
 647                         return res;\r
 648                 }\r
 649         },\r
 650         'first-child' : {\r
 651                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorChild( -1, true, flags, xnodes ); }\r
 652         },\r
 653         'last-child' : {\r
 654                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorChild( 1, true, flags, xnodes ); }\r
 655         },\r
 656         'only-child' : {\r
 657                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorChild( 0, true, flags, xnodes ); }\r
 658         },\r
 659         'first-of-type' : {\r
 660                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorChild( -1, false, flags, xnodes ); }\r
 661         },\r
 662         'last-of-type' : {\r
 663                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorChild( 1, false, flags, xnodes ); }\r
 664         },\r
 665         'only-of-type' : {\r
 666                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorChild( 0, false, flags, xnodes ); }\r
 667         },\r
 668         'nth-child' : {\r
 669                 m : function( flags, xnodes, a, b ){ return X_Node_Selector__funcSelectorNth( 'firstChild', 'next', true, flags, xnodes, a, b ); }\r
 670         },\r
 671         'nth-last-child' : {\r
 672                 m : function( flags, xnodes, a, b ){ return X_Node_Selector__funcSelectorNth( 'lastChild', 'prev', true, flags, xnodes, a, b ); }\r
 673         },\r
 674         'nth-of-type' : {\r
 675                 m : function( flags, xnodes, a, b ){ return X_Node_Selector__funcSelectorNth( 'firstChild', 'next', false, flags, xnodes, a, b ); }\r
 676         },\r
 677         'nth-last-of-type' : {\r
 678                 m : function( flags, xnodes, a, b ){ return X_Node_Selector__funcSelectorNth( 'lastChild', 'prev', false, flags, xnodes, a, b ); }\r
 679         },\r
 680         empty : {\r
 681                 m : function( flags, xnodes ){\r
 682                         var res = [],\r
 683                                 flag_not = flags.not,\r
 684                                 i = 0, n = -1, xnode, tmp, node;\r
 685                         for( ; xnode = xnodes[i]; ++i ){\r
 686                                 tmp = true;\r
 687                                 for( node = xnode.firstChild(); node; node = node.nextSibling() ){\r
 688                                         if( node._tag || ( !node._tag && node._text ) ){\r
 689                                                 tmp = false;\r
 690                                                 break;\r
 691                                         };                              \r
 692                                 };\r
 693                                 if( tmp ^ flag_not ) res[ ++n ] = xnode;\r
 694                         };\r
 695                         return res;\r
 696                 }\r
 697         },\r
 698         link : {\r
 699                 m : function( flags, xnodes ){\r
 700                         var links = ( xnodes[ 0 ].ownerDocument || xnodes[ 0 ].document ).links,\r
 701                                 _data = funcData,\r
 702                                 res   = [],\r
 703                                 checked, flag_not, i, link, xnode, n;\r
 704                         if( !links ) return res;\r
 705                         checked = {};\r
 706                         flag_not = flags.not;\r
 707                         for( i = 0; link = links[ i ]; ++i ){\r
 708                                 checked[ ( new Node( link ) )._uid ] = true;\r
 709                         };\r
 710                         for( i = 0, n = -1; xnode = xnodes[ i ]; ++i ){\r
 711                                 if( checked[ xnode._uid ] ^ flag_not ) res[ ++n ] = xnode;\r
 712                         };\r
 713                         return res;\r
 714                 }\r
 715         },\r
 716         lang : {\r
 717                 m : function( flags, xnodes, arg ){\r
 718                         var res = [],\r
 719                                 //reg = new RegExp('^' + arg, 'i'),\r
 720                                 flag_not = flags.not,\r
 721                                 i = 0, n = -1, xnode, tmp, lang;\r
 722                         arg = arg.toLowerCase();\r
 723                         for( ; tmp = xnode = xnodes[ i ]; ++i ){\r
 724                                 while( tmp && !( lang = tmp._attrs && tmp._attrs[ 'lang' ] ) ){\r
 725                                         tmp = tmp.parent;\r
 726                                 };\r
 727                                 //tmp = !!(tmp && reg.test(tmp.getAttribute('lang')));\r
 728                                 if( ( !!lang && lang.toLowerCase().indexOf( arg ) === 0 ) ^ flag_not ) res[ ++n ] = xnode;\r
 729                         };\r
 730                         return res;\r
 731                 }\r
 732         },\r
 733         enabled : {\r
 734                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorProp( 'disabled', false, flags, xnodes ); }\r
 735         },\r
 736         disabled : {\r
 737                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorProp( 'disabled', true, flags, xnodes ); }\r
 738         },\r
 739         checked : {\r
 740                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorProp( 'checked', true, flags, xnodes ); }\r
 741         },\r
 742         contains : {\r
 743                 m : function( flags, xnodes, arg ){\r
 744                         var res = [],\r
 745                                 flag_not = flags.not,\r
 746                                 i = 0, n = -1, xnode;\r
 747                         for( ; xnode = xnodes[ i ]; ++i ){\r
 748                                 if ( ( -1 < ( xnode.text() ).indexOf( arg ) ) ^ flag_not ) res[ ++n ] = xnode;                                          \r
 749                         };\r
 750                         return res;\r
 751                 }\r
 752         }\r
 753 };\r