public XFragment(string text, int start)
{
if (text[start] != '<')
{
throw new XMLException("XFragment Error:Unexpect Start.");
}
indexInSource = start;
Regex reg_tag = new Regex("<[^\\!]*?>");
int count = 0, pos = start;
Match m;
do
{
m = reg_tag.Match(text, pos);
if (!m.Success)
{
new XMLException("XFragment Error:Unexpect end.");
}
XTag tag = new XTag(m.Value);
if (tag.type == PartType.tag_start)
{
count++;
}
if (tag.type == PartType.tag_end)
{
count--;
}
if (m.Index > pos)
{
parts.Add(new XText(text.Substring(pos, m.Index - pos)));
}
parts.Add(tag);
pos = m.Index + m.Value.Length;
}while (count > 0);
originalLength = m.Index - start + m.Value.Length;
root = new XELement(this, 0);
}
public XELement(XFragment frag, int start)
{
doc = frag;
this.tagStartRef = start;
if (doc.parts[tagStartRef].type == PartType.tag_single)
{
this.tagEndRef = start;
return;
}
for (int i = start + 1; i < doc.parts.Count; i++)
{
if (doc.parts[i].type == PartType.tag_start)
{
XELement ele = new XELement(doc, i);
ele.parent = this;
childs.Add(ele);
i = ele.tagEndRef;
continue;
}
if (doc.parts[i].type == PartType.tag_end)
{
if (((XTag)doc.parts[i]).tagname == ((XTag)doc.parts[start]).tagname)
{
tagEndRef = i; break;
}
else
{
throw new XMLException("dismatched end tag:" + doc.parts[start] + "..." + doc.parts[i]);
}
}
}
if (tagEndRef == -1)
{
throw new XMLException("Failure when close tag.");
}
}