private void OpenTag(HtmlNodeOpenTag openTag)
{
_node = null;
// tag : <P> <br> <a> <img>
switch (openTag.Name.ToLower())
{
case "p":
_node = new HtmlDocNodeBeginTag() { Tag = HtmlTagType.P, Index = ++_nodeIndex, Line = openTag.Line, Column = openTag.Column };
break;
case "br":
_node = new HtmlDocNodeTag() { Tag = HtmlTagType.BR, Index = ++_nodeIndex, Line = openTag.Line, Column = openTag.Column };
break;
case "a":
_node = new HtmlDocNodeBeginTagA() { Index = ++_nodeIndex, Line = openTag.Line, Column = openTag.Column };
break;
case "img":
_node = new HtmlDocNodeTagImg() { Index = ++_nodeIndex, Line = openTag.Line, Column = openTag.Column };
break;
}
}
private void EndTag(HtmlNodeEndTag endTag)
{
_node = null;
switch (endTag.Name.ToLower())
{
case "p":
_node = new HtmlDocNodeEndTag() { Tag = HtmlTagType.P, Index = ++_nodeIndex, Line = endTag.Line, Column = endTag.Column };
break;
case "a":
_node = new HtmlDocNodeEndTag() { Tag = HtmlTagType.A, Index = ++_nodeIndex, Line = endTag.Line, Column = endTag.Column };
break;
}
}
public IEnumerable<HtmlDocNode> Read()
{
foreach (HtmlNode node in _nodes)
{
switch (node.Type)
{
case HtmlNodeType.OpenTag:
OpenTag((HtmlNodeOpenTag)node);
break;
case HtmlNodeType.CloseTag:
if (_node != null)
{
yield return _node;
_node = null;
}
break;
case HtmlNodeType.Property:
Property((HtmlNodeProperty)node);
break;
case HtmlNodeType.EndTag:
// for tag <img ... />
if (_node != null)
{
yield return _node;
_node = null;
}
EndTag((HtmlNodeEndTag)node);
if (_node != null)
{
yield return _node;
_node = null;
}
break;
case HtmlNodeType.Text:
HtmlNodeText nodeText = (HtmlNodeText)node;
if (!nodeText.IsTextSeparator)
yield return new HtmlDocNodeText() { Text = nodeText.Text, Index = ++_nodeIndex, Line = node.Line, Column = node.Column };
break;
}
}
}