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