Skynet

function trim(str){ return str.replace(/(^\s*)|(\s*$)/g,""); }

function recursiveNodes(array,dom,layer){
? if( layer==0 ) return ;
? if(layer>0){
???? --layer;
???? if( dom.hasChildNodes && dom.hasChildNodes() ){
?????? for(var i=0;i<dom.childNodes.length;i++ ){
????? array.push(dom.childNodes.item(i));
????????? recursiveNodes(array, dom.childNodes.item(i),layer ) ;
?????? }
???? }else return? ;
? }else if(layer<0){
???? ++layer;
???? if( dom.parentNode ){
?????????? array.push( dom.parentNode );
?????????? recursiveNodes( array,dom.parentNode,layer)
???? }else return ;
? }
}

/*
[@name || && > < >= <= != @location='UK']
*/
function singleStep(dom,stepAction,stepStr){
? var allArrData = [] ;
? var arrData = [] ;
? var num = stepAction.split(/\//).length ;
? recursiveNodes(allArrData,dom,num==2?1:999);
?
? stepStr = trim(stepStr) ;
? var nodeName? ;
? var nodeNum ;
? var conds = true ;
???? //判斷單匹配 是否有 屬性對(duì)比? [@..=..]
? if( /\[(.*?)\]/.test(stepStr) ){
????? nodeName = trim( /.*?(?=\[{1})/g.exec(stepStr)[0]?? ).replace(/\*/g,".*") ;
????? conds = /\[(.*?)\]/.exec(stepStr)[1].replace(/\*/g,".*") ;
????? if(! isNaN(conds) ){
??? nodeNum = parseInt(conds)-1;

????? }else{
????? //屬性 替換為
??????? conds = conds.replace(/(@)(.*?)(?=\W)/g," allArrData[i].getAttribute('$2') ") ;
??????? conds = conds.replace( /([\W]+)(.*?)::\'(.*?)\'/g," $1 /$3/g.test($2) " ) ;
??????? conds = conds.replace( /(text\(\))/g ," allArrData[i].innerHTML ") ;
??????? conds = conds.replace( /([\w\s])(=)/g ,"$2=") ;

????? }
? }else{
????? nodeName = stepStr ;
? }

? for(var j=i=0;i<allArrData.length;i++){
???? if(? eval('/'+nodeName+'/i.test( allArrData[i].nodeName ) ')?? ){
??? if(typeof nodeNum=="number"){
??? ? if(j==nodeNum){ arrData.push( allArrData[i] );? return arrData; }
??? ? else ??? ++j;
??? }else if( eval(' allArrData[i].getAttribute && '+conds) ){
????????? arrData.push( allArrData[i] );
??????? }
???? }
? }
? return arrData ;
}


function getXpath(dom,xpathStr){
?? var xpaths = xpathStr.split(/(\/{1,2})/g);
??? var arrDom = [dom] ;
?? for(var i=1;i<xpaths.length;i=i+2){
??????? var arrData = [];
??????? for(var j=0;j<arrDom.length;j++)
????????? arrData = arrData.concat( singleStep(arrDom[j],xpaths[i],xpaths[i+1]) );
??????? arrDom = arrData ;
?? }
?? return arrDom ;
}

















******************************************************************************************************
function trim(str){ return str.replace(/(^\s*)|(\s*$)/g,""); }

function recursiveNodes(array,dom,layer){
? if( layer==0 ) return ;
? if(layer>0){
???? --layer;
???? if( dom.hasChildNodes && dom.hasChildNodes() ){
?????? for(var i=0;i<dom.childNodes.length;i++ ){
????? array.push(dom.childNodes.item(i));
????????? recursiveNodes(array, dom.childNodes.item(i),layer ) ;
?????? }
???? }else return? ;
? }else if(layer<0){
???? ++layer;
???? if( dom.parentNode ){
?????????? array.push( dom.parentNode );
?????????? recursiveNodes( array,dom.parentNode,layer)
???? }else return ;
? }

}



/*
? [@name || && > < >= <= != @location='UK']
*/
function singleStep(dom,stepAction,stepStr){
? var allArrData = [] ;
? var arrData = [] ;
? var num = stepAction.split(/\//).length ;
? recursiveNodes(allArrData,dom,num==2?1:999);
?
? stepStr = trim(stepStr) ;
? var nodeName? ;
? var conds = true ;
???? //判斷單匹配 是否有 屬性對(duì)比? [@..=..]
? if( /\[(.*?)\]/.test(stepStr) ){
????? nodeName = trim( /^(.*?)\[{1}/.exec(stepStr)[1] ) ;
?????????????? //屬性 替換為
????? conds = /\[(.*?)\]/.exec(stepStr)[1].replace(/(@)(.*?)(?=\W)/g," allArrData[i].getAttribute('$2').toString() ") ;
????? conds = conds.replace( /([\W]+)(.*?)::\'(.*?)\'/g," $1 /$3/g.test($2) " ) ;
??????? conds = conds.replace( /(text\(\))/g ," allArrData[i].innerHTML ") ;
????? conds = conds.replace( /([\w\s])(=)/g ,"$2=") ;
? }else{
????? nodeName = stepStr ;
???? }

? for(var i=0;i<allArrData.length;i++){
???? if(? new RegExp(nodeName, 'i').test( allArrData[i].nodeName ) && eval(conds) ){
???????? arrData.push( allArrData[i] );
???????????? }
? }
? return arrData ;
}


function getXpath(dom,xpathStr){
?? var xpaths = xpathStr.split(/(\/{1,2})/g);
??? var arrDom = [dom] ;
?? for(var i=1;i<xpaths.length;i=i+2){
??????? var arrData = [];
??????? for(var j=0;j<arrDom.length;j++)
????????? arrData = arrData.concat( singleStep(arrDom[j],xpaths[i],xpaths[i+1]) );
??????? arrDom = arrData ;
?? }
?? return arrDom ;
}