public TextElements GetElementsByPath(List <XPathBlock> block)
{
TextElements elements = new TextElements();
for (int i = 0; i < this.SubElementsCount; i++)
{
var subelem = this.SubElements[i];
if (subelem.ElementType != TextElementType.ElementNode)
{
continue;
}
for (int j = 0; j < block.Count; j++)
{
var curblock = block[j];
if (curblock.IsAttributeSelector)
{
if (curblock.BlockName == "*")
{
if (subelem.ElemAttr.Count == 0)
{
continue;
}
}
else
{
if (!subelem.ElemAttr.HasAttribute(curblock.BlockName))
{
continue;
}
}
}
else
{
if (curblock.BlockName != "*" && curblock.BlockName != subelem.ElemName)
{
continue;
}
}
if (elements.Contains(subelem) || (curblock.XPathExpressions.Count == 0 || XPathActions.XExpressionSuccess(subelem, curblock.XPathExpressions)))
{
elements.Add(subelem);
XPathActions.Eliminate(elements, curblock);
}
break;
}
}
return(elements);
}
public TextElements FindByXPath(XPathBlock block)
{
TextElements foundedElems = new TextElements();
if (block.IsAttributeSelector)
{
foundedElems = this.GetElementsHasAttributes(block.BlockName, block.BlockType == XPathBlockType.XPathBlockScanAllElem);
}
else
{
if (!string.IsNullOrEmpty(block.BlockName))
{
if (block.BlockName == ".")
{
foundedElems.Add(this);
return(foundedElems);
}
else if (block.BlockName == "..")
{
foundedElems.Add(this.Parent);
return(foundedElems);
}
else
{
foundedElems = this.GetElementsByTagName(block.BlockName, block.BlockType == XPathBlockType.XPathBlockScanAllElem);
}
}
}
if (block.XPathExpressions.Count > 0 && foundedElems.Count > 0)
{
for (int i = 0; i < block.XPathExpressions.Count; i++)
{
var exp = block.XPathExpressions[i];
foundedElems = XPathActions.Eliminate(foundedElems, exp);
if (foundedElems.Count == 0)
{
break;
}
}
}
return(foundedElems);
}
public TextElements FindByXPathPar(XPathPar xpar, TextElements senderitems = null)
{
var elements = new TextElements();
elements = this.FindByXPathByBlockContainer(xpar.XPathBlockList, senderitems);
if (xpar.XPathExpressions.Count > 0 && elements.Count > 0)
{
elements.SortItems();
for (int j = 0; j < xpar.XPathExpressions.Count; j++)
{
var exp = xpar.XPathExpressions[j];
elements = XPathActions.Eliminate(elements, exp);
if (elements.Count == 0)
{
break;
}
}
}
return(elements);
}