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