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                                 chr !== ' ' &&\r
 120                                         ( phase = 0xf );\r
 121                                 break;\r
 122                         case 0x5 : // attr filter key\r
 123                                 chr === '=' ?\r
 124                                         ( ( operator = 1 ) && ( phase = 0x6 ) && ( key || ( key = query.substring( start, i ) ) ) && ( start = i + 1 ) ) :\r
 125                                 chr === ']' ?\r
 126                                         ( !( operator = 0 ) && ( phase = 0xe ) && ( key || ( key = query.substring( start, i ) ) ) && ++i ) :\r
 127                                 chr === ' ' ?\r
 128                                         ( key || ( key = query.substring( start, i ) ) ) :\r
 129                                 ( operator = OPERATORS[ query.substr( i, 2 ) ] ) ?\r
 130                                         ( ( phase = 0x6 ) && ( key || ( key = query.substring( start, i ) ) ) && ( start = ++i ) ) :\r
 131                                         !nameChr && ( phase = 0xf );\r
 132                                 //console.log( name1st + ' ' + chrCode + chr + phase );\r
 133                                 break;\r
 134                         case 0x6 :\r
 135                                 ( chr === '"' || chr === "'" ) && !escape && !quot ?\r
 136                                         ( quot = chr ) && ( start = i + 1 ) && ( phase = 0x7 ) :\r
 137                                         chr !== ' ' && ( start = i ) && ( phase = 0x7 );\r
 138                                 break;\r
 139                                 \r
 140                         case 0x7 : // attr filter value\r
 141                                 chr === quot ?\r
 142                                         !escape && !value && ( value = query.substring( start, i ) ) :\r
 143                                 chr === ']' ?\r
 144                                         ( ( value || ( value = query.substring( start, i ) ) ) && ( phase = 0xe ) && ++i ) :    \r
 145                                 chr === ' ' && !quot && !value && ( value = query.substring( start, i ) );                      \r
 146                                         //( chr === '"' || chr === "'" ) && !quot && ( quot = chr ) && ( start = i + 1 );\r
 147                                 break;\r
 148                                 \r
 149                         case 0x8 : // 4, 2n, even, odd, -n+4,\r
 150                                 NUMBER.indexOf( chr ) !== -1 ?\r
 151                                         ( start = i ) && ( phase = 0x9 ) :\r
 152                                 chr === 'n' ?\r
 153                                         ( phase = 0xa ) && ( a = 1 ) && ( start = i + 1 ) :\r
 154                                 query.substr( i, 4 ) === 'even' ?\r
 155                                         ( ( a = 2 ) && !( b = 0 ) && ( i += 3 ) ) :\r
 156                                 query.substr( i, 3 ) === 'odd' ?\r
 157                                         ( ( a = 2 ) && ( b = 1 ) && ( i += 2 ) ) :                                      \r
 158                                 chr === ')' && ( phase = a ? 0xe : 0xf ) && ++i;\r
 159                                 //console.log( '0x8: ' + name1st + ' ' + chrCode + ' ' + chr + ' ' + phase + ' ' + name );\r
 160                                 break;\r
 161                         case 0x9 :\r
 162                                 tmp = query.substring( start, i );\r
 163                                 chr === 'n' ?\r
 164                                         ( phase = 0xa ) && ( start = i + 1 ) && ( a = tmp === '+' ? 1 : tmp === '-' ? -1 : parseFloat( tmp ) ) :\r
 165                                 chr === ')' && ( phase = 0xe ) && ++i && ( b = parseFloat( tmp ) ) && ( a = 0 );\r
 166                                 //console.log( '0x9: ' + name1st + ' ' + chrCode + ' ' + chr + ' ' + phase );\r
 167                                 break;\r
 168                         case 0xa :\r
 169                                 chr === ')' && ( phase = 0xe ) && ++i && ( b = parseFloat( query.substring( start, i ) ) || 0 );\r
 170                                 //console.log( '0xa: ' + start + ' ' + i );\r
 171                                 break;\r
 172                         // contains, lang\r
 173                         case 0xb :\r
 174                                 ( chr === '"' || chr === "'" ) && !escape && !quot &&\r
 175                                         ( quot = chr ) && ( start = i + 1 ) && ( phase = 0xc );\r
 176                                 break;  \r
 177                         case 0xc :\r
 178                                 chr === quot && !escape && ( value = query.substring( start, i ) ) && ( phase = 0xd );\r
 179                                 break;\r
 180                         case 0xd :\r
 181                                 chr === ')' && ( phase = 0xe ) && ++i;                          \r
 182                                 break;\r
 183                         default :\r
 184                 };\r
 185                 \r
 186                 if( phase === 0xf ) return i;\r
 187                 \r
 188                 //alert( chr + ' ' + phase + ' ' + selector + ' ' + name + ' ' + name1st )\r
 189                 if( phase === 0xe ){\r
 190                         if( selector === 4 ){// :not\r
 191                                 if( name === 'not' ){\r
 192                                         if( not ){\r
 193                                                 return i; // error\r
 194                                         } else {\r
 195                                                 not      = true;\r
 196                                                 selector = 0;\r
 197                                                 phase    = 0x0;\r
 198                                                 name     = null;                                        \r
 199                                         };\r
 200                                         //continue;\r
 201                                 } else\r
 202                                 if( name === 'lang' || name === 'contains' ){\r
 203                                         result = [ not ? 0 : combinator, selector, name, value ];\r
 204                                         break;\r
 205                                 } else {\r
 206                                         if( a !== a || b !== b ) return i;\r
 207                                         result = [ not ? 0 : combinator, SELECTOR[ name ] || selector, name, a, b ];\r
 208                                         break;  \r
 209                                 };\r
 210                         } else {\r
 211                                 result =\r
 212                                         combinator === 5 ?\r
 213                                                 5 :\r
 214                                         selector === 5 ?\r
 215                                                 [ not ? 0 : combinator, selector, key, operator, value ] :\r
 216                                                 [ not ? 0 : combinator, selector, name.split( '\\' ).join( '' ) ];\r
 217                                 break;                          \r
 218                         };\r
 219                 };\r
 220 \r
 221                 escape = chr === '\\' && !escape;\r
 222         };\r
 223         //if( phase !== 0xe ) return i;\r
 224         if( not && ( tmp = query.substr( i ).indexOf( ')' ) ) === -1 ) return i;\r
 225         return not ? [ i + tmp + 1, [ combinator, 6, result ] ] : [ i, result ];\r
 226 };\r
 227 \r
 228         /**\r
 229          * selector を使って Node, NodeList を取得する\r
 230          * @alias X.Doc.find\r
 231          * @function\r
 232          * @param {string} セレクター文字列\r
 233          * @return {Node|NodeList}\r
 234          */\r
 235         X[ 'Doc' ][ 'find' ] = X_shortcutFunction =\r
 236 \r
 237         /**\r
 238          * selector を使って Node, NodeList を取得する\r
 239          * @alias NodeList.prototype.find\r
 240          * @function\r
 241          * @param {string} セレクター文字列\r
 242          * @return {Node|NodeList}\r
 243          */\r
 244         X_NodeList.prototype[ 'find' ] = X_Node_find;\r
 245         \r
 246         /**\r
 247          * selector を使って Node, NodeList を取得する\r
 248          * @alias Node.prototype.find\r
 249          * @function\r
 250          * @param {string} セレクター文字列\r
 251          * @return {Node|NodeList}\r
 252          */     \r
 253         function X_Node_find( queryString ){\r
 254                 var HTML      = X_Node_html,\r
 255                         scope     = this.constructor === X_NodeList && this.length ? this : [ this.constructor === Node ? this : X_Node_body ],\r
 256                         parents   = scope, // 探索元の親要素 XNodeList の場合あり\r
 257                         // TODO { title : true,,, }\r
 258                         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
 259                         ARY_PUSH  = Array.prototype.push,\r
 260                         ret       = [], // 結果要素\r
 261                         root      = X_Node_getRoot( scope[ 0 ] ),\r
 262                         isXML     = !!X_Node_isXmlDocument( root ),\r
 263                         isMulti   = 1 < scope.length,// 要素をマージする必要がある\r
 264                         isStart   = true,\r
 265                         _         = ' ',\r
 266                         isAll, isNot, hasRoot,\r
 267                         l, i, n, parsed,\r
 268                         xnodes, // 一時保存用\r
 269                         merge, // 要素がコメントノードで汚染されている場合使う\r
 270                         parent, children, j, m,\r
 271                         combinator, selector, name, tagName,\r
 272                         uid, tmp, xnode, filter, key, op, val, toLower, useName,\r
 273             links, className, attr, flag;\r
 274 \r
 275                 /*@+debug[*/\r
 276                 if( X_ViewPort_readyState < X_EVENT_XDOM_READY ){\r
 277                         alert( 'not ready! use X.ViewPort.listenOnce( X_EVENT_XDOM_READY, callback )' );\r
 278                         return;\r
 279                 };\r
 280                 /*]@+debug*/\r
 281 \r
 282                 // 文字列以外は空で返す\r
 283                 if( typeof queryString !== 'string' ) return ret;\r
 284                 \r
 285                 xnodes = [];\r
 286                 \r
 287                 // 以下、パースと探索\r
 288                 for( ; queryString.length; ){\r
 289                         //console.log( 'queryString[' + queryString + ']' );\r
 290                         \r
 291                         // 初期化処理\r
 292                         if( !parsed ){\r
 293                                 parsed = X_Node_Selector__parse( queryString );\r
 294                                 \r
 295                                 if( typeof parsed === 'number' ){\r
 296                                         // error\r
 297                                         return [];\r
 298                                 };\r
 299                                 \r
 300                                 queryString = queryString.substr( parsed[ 0 ] );\r
 301                                 parsed      = parsed[ 1 ];\r
 302                                 \r
 303                                 //console.log( 'X_Node_Selector__parse ' + parsed );\r
 304                                 \r
 305                                 if( parsed === 5 ){\r
 306                                         isMulti = true;\r
 307                                         parents = scope;\r
 308                                         xnodes && xnodes.length && ARY_PUSH.apply( ret, xnodes );\r
 309                                         parsed  = null;\r
 310                                         xnodes  = [];\r
 311                                         isStart = true;\r
 312                                         continue;\r
 313                                 };\r
 314                         };\r
 315                         \r
 316                         combinator  = parsed[ 0 ];\r
 317                         selector    = parsed[ 1 ];\r
 318                         name        = parsed[ 2 ];\r
 319                         tagName     = selector === 1 ? ( isXML ? name : name.toUpperCase() ) : '*';\r
 320                         isAll       = tagName === '*';\r
 321         \r
 322                         if( !isStart ){\r
 323                                 if( !xnodes.length ){\r
 324                                         parsed = null;\r
 325                                         continue;                                       \r
 326                                 } else\r
 327                                 if( combinator !== 0 ){\r
 328                                         parents = xnodes;\r
 329                                         xnodes  = [];\r
 330                                         //console.log( 'cobinator !== 0 ' + parents.length + ' : ' + xnodes.length );\r
 331                                 };\r
 332                         };\r
 333                         \r
 334                         i = 0;\r
 335                         l = parents.length;\r
 336                         n = -1; \r
 337                         isMulti = isMulti || 1 < l;\r
 338                         \r
 339                         //console.log( 'combinator ' + combinator );\r
 340         \r
 341                         switch( combinator ){\r
 342                                 // > TagName|*\r
 343                                 case 2 :\r
 344                                         for( ; i < l; ++i ){\r
 345                                                 parent = parents[ i ];\r
 346                                                 if( ( children = parent[ '_xnodes' ] ) && ( m = children.length ) ){\r
 347                                                         for( j = 0; j < m; ++j ){\r
 348                                                                 xnode = children[ j ];\r
 349                                                                 if( xnode[ '_tag' ] && ( isAll || tagName === xnode[ '_tag' ] ) ) xnodes[ ++n ] = xnode;\r
 350                                                         };\r
 351                                                 };                      \r
 352                                         };\r
 353                                         break;\r
 354                                 // + TagName|*\r
 355                                 case 3 :\r
 356                                         for( ; i < l; ++i ){\r
 357                                                 \r
 358                                                 xnode = parents[ i ];\r
 359                                                 j = xnode[ 'getOrder' ]() + 1;\r
 360                                                 parent = xnode.parent;\r
 361                                                 if( parent && ( children = parent[ '_xnodes' ] ) && ( m = children.length ) ){\r
 362                                                         for( ; j < m; ++j ){\r
 363                                                                 xnode = children[ j ];\r
 364                                                                 if( xnode[ '_tag' ] ){\r
 365                                                                         if( isAll || tagName === xnode[ '_tag' ] ){\r
 366                                                                                 xnodes[ ++n ] = xnode;\r
 367                                                                         };\r
 368                                                                         break;\r
 369                                                                 };\r
 370                                                         };\r
 371                                                 };\r
 372                                                 /*\r
 373                                                 for( xnode = parents[ i ][ 'next' ](); xnode; xnode = xnode[ 'next' ]() ){\r
 374                                                         if( xnode[ '_tag' ] ){\r
 375                                                                 if( isAll || tagName === xnode[ '_tag' ] ) xnodes[ ++n ] = xnode;\r
 376                                                                 break;\r
 377                                                         };                                                                      \r
 378                                                 };      */                                                      \r
 379                                         };\r
 380                                         break;\r
 381                                 // ~ TagName|*\r
 382                                 case 4 :\r
 383                                         merge  = {};\r
 384                                         for( ; i < l; ++i ){\r
 385                                                 for( xnode = parents[ i ][ 'next' ](); xnode; xnode = xnode[ 'next' ]() ){\r
 386                                                         if( xnode[ '_tag' ] && ( isAll || tagName === xnode[ '_tag' ] ) ){\r
 387                                                                 uid = xnode[ '_uid' ];\r
 388                                                                 if( merge[ uid ] ){\r
 389                                                                         break;\r
 390                                                                 } else {\r
 391                                                                         merge[ uid ] = true;\r
 392                                                                         xnodes[ ++n ] = xnode;\r
 393                                                                 };\r
 394                                                         };                                                                      \r
 395                                                 };                                                              \r
 396                                         };\r
 397                                         break;\r
 398                                 \r
 399                                 // case 6 : 属性ノードは実装しない\r
 400                                 \r
 401                                 default :                               \r
 402                                         if( combinator === 1 || ( isStart && selector < 7 ) ){\r
 403                                                 if( isStart ){\r
 404                                                         if( tagName === 'HTML' ){\r
 405                                                                 xnodes[ 0 ] = X_Node_html;\r
 406                                                                 break;\r
 407                                                         };\r
 408                                                         if( tagName === 'HEAD' ){\r
 409                                                                 xnodes[ 0 ] = X_Node_head;\r
 410                                                                 break;\r
 411                                                         };\r
 412                                                         if( tagName === 'BODY' ){\r
 413                                                                 xnodes[ 0 ] = X_Node_body;\r
 414                                                                 break;\r
 415                                                         };\r
 416                                                         \r
 417                                                 };\r
 418                                                 //console.log( l + ' > ' + xnodes.length + ' tag:' + tagName );\r
 419                                                 merge = {};\r
 420                                                 X_Node_Selector__fetchElements( xnodes, parents, isAll ? '' : tagName, merge );\r
 421                                                 //console.log( l + ' >> ' + xnodes.length + ' tag:' + tagName );\r
 422                                         };\r
 423                         };\r
 424                         \r
 425                         isStart = false;\r
 426                         \r
 427                         //alert( 'pre-selector:' + ( xnodes && xnodes.length ) )\r
 428                         \r
 429                         switch( selector ){\r
 430                                 // #, ID\r
 431                                 case 2 :\r
 432                                         filter = [ 'id', 1, name ]; break;\r
 433                                 // ., class\r
 434                                 case 3 :\r
 435                                         filter = [ 'class', 3 /*'~='*/, name ]; break;\r
 436                                 // :, 擬似クラス\r
 437                                 case 4 :\r
 438                                         if( !( filter = X_Node_Selector__filter[ name ] ) ){\r
 439                                                 return [];\r
 440                                         };\r
 441                                         break;\r
 442                                 // [] 属性\r
 443                                 case 5 :\r
 444                                         filter = [ name, parsed[ 3 ], parsed[ 4 ] ]; break;\r
 445                                 // :not\r
 446                                 case 6 :\r
 447                                         isNot  = true;\r
 448                                         parsed = parsed[ 2 ];\r
 449                                         name   = parsed[ 2 ];\r
 450                                         switch( parsed[ 1 ] ) {\r
 451                                                 case 1 :\r
 452                                                         filter = [ 'tag', 1, isXML ? name : name.toUpperCase() ]; break;\r
 453                                                 // #, ID\r
 454                                                 case 2 :\r
 455                                                         filter = [ 'id', 1, name ]; break;\r
 456                                                 // ., class\r
 457                                                 case 3 :\r
 458                                                         filter = [ 'class', 3, name ]; break;\r
 459                                                 // :, 擬似クラス\r
 460                                                 case 4 :\r
 461                                                         if( !( filter = X_Node_Selector__filter[ name ] ) ){\r
 462                                                                 return [];\r
 463                                                         };\r
 464                                                         break;\r
 465                                                 // [] 属性\r
 466                                                 case 5 :\r
 467                                                         filter = [ name, parsed[ 3 ], parsed[ 4 ] ]; break;\r
 468                                         };\r
 469                                         break;\r
 470                                 // scope\r
 471                                 case 7 :\r
 472                                         xnodes = scope; break;\r
 473                                 // root\r
 474                                 case 8 :\r
 475                                         hasRoot = true;\r
 476                                         xnodes = [ HTML ]; break;\r
 477                                 // link\r
 478                                 case 9 :\r
 479                                         if( links = document.links ){\r
 480                                                 for( xnodes = [], i = links.length; i; ){\r
 481                                                         xnodes[ --i ] = Node( links[ i ] );\r
 482                                                 };\r
 483                                         } else {\r
 484                                                 // area[href],a[href]\r
 485                                         };\r
 486                         };\r
 487                         \r
 488                         if( filter && xnodes.length ){\r
 489                                 // filter.mが関数の場合\r
 490                                 if( filter.m ){\r
 491                                         xnodes = filter.m(\r
 492                                                 {\r
 493                                                         not : isNot,\r
 494                                                         xml : isXML\r
 495                                                 },\r
 496                                                 xnodes,\r
 497                                                 parsed[ 3 ], parsed[ 4 ]\r
 498                                         );\r
 499                                 } else\r
 500                                 // filterが関数の場合\r
 501                                 if( typeof filter === 'function' ){\r
 502                                         tmp = [];\r
 503                                         for( i = 0, n = -1; xnode = xnodes[ i ]; ++i ){\r
 504                                                 if( ( !!filter( xnode ) ) ^ isNot ) tmp[ ++n ] = xnode; \r
 505                                         };\r
 506                                         xnodes = tmp;\r
 507                                 } else {\r
 508                                 // 属性セレクター                        \r
 509                                         tmp = [];\r
 510                                         key = filter[ 0 ];\r
 511                                         op  = filter[ 1 ];\r
 512                                         val = filter[ 2 ];\r
 513                                         \r
 514                                         key = X_Node_Attr_renameForTag[ key ] || key;\r
 515                                         \r
 516                                         // [class~='val']\r
 517                                         if( !isXML && key === 'class' && op === 3 ){\r
 518                                                 val = _ + val + _;\r
 519                                                 for( i = 0, n = -1; xnode = xnodes[ i ]; ++i ){\r
 520                                                         className = xnode[ '_className' ];\r
 521                                                         if( !!( className && ( _ + className + _ ).indexOf( val ) > -1 ) ^ isNot ) tmp[ ++n ] = xnode;\r
 522                                                 };\r
 523                                         } else {\r
 524                                         // 通常\r
 525                                                 // 諦めて、funcAttrを呼ぶ\r
 526                                                 // flag_call  = ($.browser.safari && key === 'selected');\r
 527                                                 // getAttributeを使わない\r
 528                                                 useName = X_UA[ 'IE' ] && key !== 'href' && key !== 'src';\r
 529                                                 toLower = !!val && !isXML && noLower.indexOf( key ) === -1; //!noLower.test(key);\r
 530                                                 if( toLower ) val = val.toLowerCase();\r
 531                                                 if( op === 3 ) val = _ + val + _;\r
 532 \r
 533                                                 for( i = 0, n = -1, l = xnodes.length; i < l; ++i ){\r
 534                                                         xnode = xnodes[ i ];\r
 535                                                         attr =\r
 536                                                                 key === 'tag' ? xnode[ '_tag' ] :\r
 537                                                                 key === 'id' ? xnode[ '_id' ] :\r
 538                                                                 key === 'class' ? xnode[ '_className' ] :\r
 539                                                                 xnode[ '_attrs' ] && xnode[ '_attrs' ][ key ];\r
 540                                                                 //flag_call ?\r
 541                                                                 //      funcAttr( elem, key ) :\r
 542                                                                 //useName ?\r
 543                                                                 //      elem[ X_Node_Attr_renameForDOM[ key ] || key ] :\r
 544                                                                 //      elem.getAttribute( key, 2 );\r
 545                                                         flag = !!attr;// && ( !useName || attr !== '' );\r
 546                                                         if( flag && op ){\r
 547                                                                 if( toLower ) attr = attr.toLowerCase();\r
 548                                                                 \r
 549                                                                 switch( op ){\r
 550                                                                         case 1: // =\r
 551                                                                                 flag = attr === val;\r
 552                                                                                 break;\r
 553                                                                         case 2: // !=\r
 554                                                                                 flag = attr !== val;\r
 555                                                                                 break;\r
 556                                                                         case 3: // ~=\r
 557                                                                                 flag = ( _ + attr + _ ).indexOf( val ) !== -1;\r
 558                                                                                 break;\r
 559                                                                         case 4: // ^=\r
 560                                                                                 flag = attr.indexOf( val ) === 0;\r
 561                                                                                 break;\r
 562                                                                         case 5: // $=\r
 563                                                                                 flag = attr.lastIndexOf( val ) + val.length === attr.length;\r
 564                                                                                 break;\r
 565                                                                         case 6: // *=\r
 566                                                                                 flag = attr.indexOf( val ) !== -1;\r
 567                                                                                 break;\r
 568                                                                         case 7: // |=\r
 569                                                                                 flag = attr === val || attr.substring( 0, val.length + 1 ) === val + '-';\r
 570                                                                                 break;\r
 571                                                                 };\r
 572                                                         };\r
 573                                                         if( !!flag ^ isNot ) tmp[ ++n ] = xnode;\r
 574                                                 };\r
 575                                         };\r
 576                                         xnodes = tmp;\r
 577                                 };\r
 578                         };\r
 579                         filter  = null;\r
 580                         isNot   = false;\r
 581                         parsed  = null;\r
 582                         \r
 583                         //console.log( '//end :' + ( xnodes && xnodes.length ) );\r
 584                 };\r
 585                 //console.log( 'multi:' + ( xnodes && xnodes.length ) );\r
 586                 \r
 587                 // tree 順に並び替え、同一要素の排除\r
 588                 if( isMulti ){\r
 589                         xnodes && xnodes.length && ARY_PUSH.apply( ret, xnodes );\r
 590                         l = ret.length;\r
 591                         if( l < 2 ) return ret[ 0 ] || X_Node_none;\r
 592                         \r
 593                         xnodes = [];\r
 594                         merge  = {};\r
 595                         for( i = 0, n = -1; i < l; ++i ){\r
 596                                 //alert( 'multi:' + i )\r
 597                                 xnode = ret[ i ];\r
 598                                 if( !merge[ uid = xnode[ '_uid' ] ] ){\r
 599                                         merge[ uid ] = true;\r
 600                                         xnodes[ ++n ] = xnode;\r
 601                                 };\r
 602                         };\r
 603                         xnodes = X_Node_Selector__sortElementOrder( [], xnodes, hasRoot ? [ HTML ] : HTML[ '_xnodes' ] );\r
 604                 };\r
 605 \r
 606                 return xnodes.length === 1 ? xnodes[ 0 ] : new X_NodeList( xnodes );\r
 607         };\r
 608         \r
 609         function X_Node_Selector__sortElementOrder( newList, list, xnodes ){\r
 610                 var l = xnodes.length,\r
 611                         i = 0,\r
 612                         j, child, _xnodes;\r
 613                 for( ; i < l; ++i ){\r
 614                         child = xnodes[ i ];\r
 615                         if( !child[ '_tag' ] ) continue;\r
 616 \r
 617                         j = list.indexOf( child );\r
 618                         if( j !== -1 ){\r
 619                                 newList[ newList.length ] = child;\r
 620                                 if( list.length === 2 ){\r
 621                                         newList[ newList.length ] = list[ j === 0 ? 1 : 0 ];\r
 622                                         return newList;\r
 623                                 };\r
 624                                 list.splice( j, 1 );\r
 625                         };\r
 626 \r
 627                         if( ( _xnodes = child[ '_xnodes' ] ) && X_Node_Selector__sortElementOrder( newList, list, _xnodes ) ){\r
 628                                 return newList;\r
 629                         };\r
 630                 };\r
 631         };\r
 632 \r
 633         function X_Node_Selector__fetchElements( list, xnodes, tag, merge ){\r
 634                 var l      = xnodes.length,\r
 635                         i      = 0,\r
 636                         child, uid, _tag, _xnodes;\r
 637                 for( ; i < l; ++i ){\r
 638                         child = xnodes[ i ];\r
 639                         uid   = child[ '_uid' ];\r
 640                         _tag  = child[ '_tag' ];\r
 641                         if( !merge[ uid ] && _tag ){\r
 642                                 merge[ uid ] = true;\r
 643                                 ( !tag || tag === _tag ) && ( list[ list.length ] = child );\r
 644                                 if( ( _xnodes = child[ '_xnodes' ] ) && ( 1 < _xnodes.length || ( _xnodes[ 0 ] && _xnodes[ 0 ][ '_tag' ] ) ) ){\r
 645                                         X_Node_Selector__fetchElements( list, _xnodes, tag, merge );\r
 646                                 };\r
 647                         };\r
 648                 };\r
 649         };\r
 650 /*\r
 651         function X_Node_Selector__fetchElements( list, parent, tag, merge ){\r
 652                 \r
 653                 var xnodes   = parent[ '_xnodes' ],\r
 654                         memory   = {\r
 655                                 i      : 0,\r
 656                                 l      : xnodes.length,\r
 657                                 xnodes : xnodes\r
 658                         },              \r
 659                         memories = [ memory ],\r
 660                         i, l, xnode,\r
 661                         uid, _xnodes;\r
 662                 \r
 663                 while( memories.length ){\r
 664                         memory = memories.pop();\r
 665                         xnodes = memory.xnodes;\r
 666                         i      = memory.i;\r
 667                         l      = memory.l;\r
 668                         for( ; i < l; ++i ){\r
 669                                 xnode = xnodes[ i ];\r
 670                                 uid   = xnode[ '_uid' ];\r
 671                                 if( !merge[ uid ] && xnode[ '_tag' ] ){\r
 672                                         if( !tag || xnode[ '_tag' ] === tag ) list[ list.length ] = xnode;\r
 673                                         \r
 674                                         if( _xnodes = xnode[ '_xnodes' ] ){\r
 675                                                 if( 1 < _xnodes.length || ( _xnodes[ 0 ] && _xnodes[ 0 ][ '_tag' ] ) ){\r
 676                                                         memory.i = i + 1;\r
 677                                                         memory.l = l;\r
 678                                                         memory.xnodes = xnodes;\r
 679                                                         memories[ memories.length ] = memory;\r
 680                                                         memories[ memories.length ] = {\r
 681                                                                 i      : 0,\r
 682                                                                 l      : _xnodes.length,\r
 683                                                                 xnodes : _xnodes\r
 684                                                         };\r
 685                                                         merge[ uid ] = true;\r
 686                                                         break;\r
 687                                                 };\r
 688                                         };\r
 689                                 };\r
 690                                 merge[ uid ] = true;\r
 691                         };\r
 692                 };\r
 693         };\r
 694  */\r
 695         function X_Node_Selector__funcSelectorChild( type, flag_all, flags, xnodes ){\r
 696                 var res      = [],\r
 697                         flag_not = flags.not,\r
 698                         i = 0, n = -1, xnode, node,\r
 699                         tagName, tmp;\r
 700                 for( ; xnode = xnodes[ i ]; ++i ){\r
 701                         tagName = flag_all || xnode[ '_tag' ];\r
 702                         tmp     = null;\r
 703                         if( /* tmp === null && */ type <= 0 ){\r
 704                                 for( node = xnode[ 'prev' ](); node; node = node[ 'prev' ]() ){\r
 705                                         if( node[ '_tag' ] && ( flag_all || tagName === node[ '_tag' ] ) ){\r
 706                                                 tmp = false;\r
 707                                                 break;\r
 708                                         };\r
 709                                 };\r
 710                         };\r
 711                         if( tmp === null && 0 <= type ){\r
 712                                 for( node = xnode[ 'next' ](); node; node = node[ 'next' ]() ){\r
 713                                         if( node[ '_tag' ] && ( flag_all || tagName === node[ '_tag' ] ) ){\r
 714                                                 tmp = false;\r
 715                                                 break;\r
 716                                         };              \r
 717                                 };                                              \r
 718                         };\r
 719                         if( tmp === null ) tmp = true;\r
 720                         if( tmp ^ flag_not ) res[ ++n ] = xnode;\r
 721                 };\r
 722                 return res;\r
 723         };\r
 724         function X_Node_Selector__funcSelectorNth( pointer, sibling, flag_all, flags, xnodes, a, b ){\r
 725                 var res      = [],\r
 726                         checked  = {},\r
 727                         flag_not = flags.not,\r
 728                         i = 0, n = -1, uid,\r
 729                         c, xnode, tmp, node, tagName;\r
 730                 for( ; xnode = xnodes[ i ]; ++i ){\r
 731                         uid = xnode[ '_uid' ];\r
 732                         tmp = checked[ uid ];\r
 733                         if( tmp === void 0 ){\r
 734                                 for( c = 0, node = xnode.parent[ pointer ](), tagName = flag_all || xnode[ '_tag' ]; node; node = node[ sibling ]() ){\r
 735                                         if( node[ '_tag' ] && ( flag_all || tagName === node[ '_tag' ] ) ){\r
 736                                                 ++c;\r
 737                                                 checked[ node[ '_uid' ] ] = a === 0 ? c === b : (c - b) % a === 0 && (c - b) / a >= 0;\r
 738                                         };                                                      \r
 739                                 };\r
 740                                 tmp = checked[ uid ];\r
 741                         };\r
 742                         if( tmp ^ flag_not ) res[ ++n ] = xnode;\r
 743                 };\r
 744                 return res;\r
 745         };\r
 746         function X_Node_Selector__funcSelectorProp( prop, flag, flags, xnodes ){\r
 747                 var res = [],\r
 748                         flag_not = flag ? flags.not : !flags.not,\r
 749                         i = 0, n = -1, xnode;\r
 750                 for( ; xnode = xnodes[ i ]; ++i ){\r
 751                         if( xnode[ '_attrs' ] && xnode[ '_attrs' ][ prop ] ^ flag_not ) res[ ++n ] = xnode;\r
 752                 };\r
 753                 return res;\r
 754         };\r
 755 \r
 756 var X_Node_Selector__filter = {\r
 757         'root' : function(){\r
 758                 return X_Node_html;\r
 759         },\r
 760         'target' : {\r
 761                 m : function( flags, xnodes ){\r
 762                         var res  = [],\r
 763                                 hash = location.hash.slice( 1 ),\r
 764                                 flag_not = flags.not,\r
 765                                 i = 0, n = -1, xnode;\r
 766                         for ( ; xnode = xnodes[ i ]; ++i ){\r
 767                                 if( ( ( xnode[ '_id' ] || xnode[ '_attrs' ] && xnode[ '_attrs' ][ 'name' ] ) === hash ) ^ flag_not ) res[ ++n ] = xnode;                                                \r
 768                         };\r
 769                         return res;\r
 770                 }\r
 771         },\r
 772         'first-child' : {\r
 773                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorChild( -1, true, flags, xnodes ); }\r
 774         },\r
 775         'last-child' : {\r
 776                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorChild( 1, true, flags, xnodes ); }\r
 777         },\r
 778         'only-child' : {\r
 779                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorChild( 0, true, flags, xnodes ); }\r
 780         },\r
 781         'first-of-type' : {\r
 782                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorChild( -1, false, flags, xnodes ); }\r
 783         },\r
 784         'last-of-type' : {\r
 785                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorChild( 1, false, flags, xnodes ); }\r
 786         },\r
 787         'only-of-type' : {\r
 788                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorChild( 0, false, flags, xnodes ); }\r
 789         },\r
 790         'nth-child' : {\r
 791                 m : function( flags, xnodes, a, b ){ return X_Node_Selector__funcSelectorNth( 'firstChild', 'next', true, flags, xnodes, a, b ); }\r
 792         },\r
 793         'nth-last-child' : {\r
 794                 m : function( flags, xnodes, a, b ){ return X_Node_Selector__funcSelectorNth( 'lastChild', 'prev', true, flags, xnodes, a, b ); }\r
 795         },\r
 796         'nth-of-type' : {\r
 797                 m : function( flags, xnodes, a, b ){ return X_Node_Selector__funcSelectorNth( 'firstChild', 'next', false, flags, xnodes, a, b ); }\r
 798         },\r
 799         'nth-last-of-type' : {\r
 800                 m : function( flags, xnodes, a, b ){ return X_Node_Selector__funcSelectorNth( 'lastChild', 'prev', false, flags, xnodes, a, b ); }\r
 801         },\r
 802         'empty' : {\r
 803                 m : function( flags, xnodes ){\r
 804                         var res = [],\r
 805                                 flag_not = flags.not,\r
 806                                 i = 0, n = -1, xnode, tmp, node;\r
 807                         for( ; xnode = xnodes[i]; ++i ){\r
 808                                 tmp = true;\r
 809                                 for( node = xnode[ 'firstChild' ](); node; node = node[ 'next' ]() ){\r
 810                                         if( node[ '_tag' ] || node[ '_text' ] ){\r
 811                                                 tmp = false;\r
 812                                                 break;\r
 813                                         };                              \r
 814                                 };\r
 815                                 if( tmp ^ flag_not ) res[ ++n ] = xnode;\r
 816                         };\r
 817                         return res;\r
 818                 }\r
 819         },\r
 820         'link' : {\r
 821                 m : function( flags, xnodes ){\r
 822                         var links = document.links,\r
 823                                 res   = [],\r
 824                                 checked, flag_not, i, link, xnode, n;\r
 825                         if( !links ) return res;\r
 826                         checked = {};\r
 827                         flag_not = flags.not;\r
 828                         for( i = 0; link = links[ i ]; ++i ){\r
 829                                 checked[ ( Node( link ) )[ '_uid' ] ] = true;\r
 830                         };\r
 831                         for( i = 0, n = -1; xnode = xnodes[ i ]; ++i ){\r
 832                                 if( checked[ xnode[ '_uid' ] ] ^ flag_not ) res[ ++n ] = xnode;\r
 833                         };\r
 834                         return res;\r
 835                 }\r
 836         },\r
 837         'lang' : {\r
 838                 m : function( flags, xnodes, arg ){\r
 839                         var res = [],\r
 840                                 //reg = new RegExp('^' + arg, 'i'),\r
 841                                 flag_not = flags.not,\r
 842                                 i = 0, n = -1, xnode, tmp, lang;\r
 843                         arg = arg.toLowerCase();\r
 844                         for( ; tmp = xnode = xnodes[ i ]; ++i ){\r
 845                                 while( tmp && !( lang = tmp[ '_attrs' ] && tmp[ '_attrs' ][ 'lang' ] ) ){\r
 846                                         tmp = tmp.parent;\r
 847                                 };\r
 848                                 //tmp = !!(tmp && reg.test(tmp.getAttribute('lang')));\r
 849                                 if( ( !!lang && lang.toLowerCase().indexOf( arg ) === 0 ) ^ flag_not ) res[ ++n ] = xnode;\r
 850                         };\r
 851                         return res;\r
 852                 }\r
 853         },\r
 854         'enabled' : {\r
 855                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorProp( 'disabled', false, flags, xnodes ); }\r
 856         },\r
 857         'disabled' : {\r
 858                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorProp( 'disabled', true, flags, xnodes ); }\r
 859         },\r
 860         'checked' : {\r
 861                 m : function( flags, xnodes ){ return X_Node_Selector__funcSelectorProp( 'checked', true, flags, xnodes ); }\r
 862         },\r
 863         'contains' : {\r
 864                 m : function( flags, xnodes, arg ){\r
 865                         var res = [],\r
 866                                 flag_not = flags.not,\r
 867                                 i = 0, n = -1, xnode;\r
 868                         for( ; xnode = xnodes[ i ]; ++i ){\r
 869                                 if ( ( -1 < ( xnode[ 'text' ]() ).indexOf( arg ) ) ^ flag_not ) res[ ++n ] = xnode;                                             \r
 870                         };\r
 871                         return res;\r
 872                 }\r
 873         }\r
 874 };\r