// Reads to the next sibling of the current element with the given LocalName and NamespaceURI.
public virtual bool ReadToNextSibling(string localName, string namespaceURI)
{
if (localName == null || localName.Length == 0)
{
throw XmlExceptionHelper.CreateInvalidNameArgumentException(localName, "localName");
}
if (namespaceURI == null)
{
throw new ArgumentNullException("namespaceURI");
}
// atomize local name and namespace
localName = this.NameTable.Add(localName);
namespaceURI = this.NameTable.Add(namespaceURI);
// find the next sibling
XmlNodeType nt;
do
{
this.SkipSubtree();
nt = this.NodeType;
if (nt == XmlNodeType.Element && Ref.Equal(localName, this.LocalName) && Ref.Equal(namespaceURI, this.NamespaceURI))
{
return(true);
}
} while (nt != XmlNodeType.EndElement && !this.EOF);
return(false);
}
// Reads to the following element with the given LocalName and NamespaceURI.
public virtual bool ReadToFollowing(string localName, string namespaceURI)
{
if (localName == null || localName.Length == 0)
{
throw XmlExceptionHelper.CreateInvalidNameArgumentException(localName, "localName");
}
if (namespaceURI == null)
{
throw new ArgumentNullException("namespaceURI");
}
// atomize local name and namespace
localName = this.NameTable.Add(localName);
namespaceURI = this.NameTable.Add(namespaceURI);
// find following element with that name
while (this.Read())
{
if (this.NodeType == XmlNodeType.Element && Ref.Equal(localName, this.LocalName) && Ref.Equal(namespaceURI, this.NamespaceURI))
{
return(true);
}
}
return(false);
}
// Reads to the first descendant of the current element with the given LocalName and NamespaceURI.
public virtual bool ReadToDescendant(string localName, string namespaceURI)
{
if (localName == null || localName.Length == 0)
{
throw XmlExceptionHelper.CreateInvalidNameArgumentException(localName, "localName");
}
if (namespaceURI == null)
{
throw new ArgumentNullException("namespaceURI");
}
// save the element or root depth
var parentDepth = this.Depth;
if (this.NodeType != XmlNodeType.Element)
{
// adjust the depth if we are on root node
if (this.ReadState == ReadState.Initial)
{
Debug.Assert(parentDepth == 0);
parentDepth--;
}
else
{
return(false);
}
}
else if (this.IsEmptyElement)
{
return(false);
}
// atomize local name and namespace
localName = this.NameTable.Add(localName);
namespaceURI = this.NameTable.Add(namespaceURI);
// find the descendant
while (this.Read() && this.Depth > parentDepth)
{
if (this.NodeType == XmlNodeType.Element && Ref.Equal(localName, this.LocalName) && Ref.Equal(namespaceURI, this.NamespaceURI))
{
return(true);
}
}
Debug.Assert(this.NodeType == XmlNodeType.EndElement || (parentDepth == -1 && this.ReadState == ReadState.EndOfFile));
return(false);
}
// Reads to the following element with the given Name.
public virtual bool ReadToFollowing(string name)
{
if (name == null || name.Length == 0)
{
throw XmlExceptionHelper.CreateInvalidNameArgumentException(name, "name");
}
// atomize name
name = this.NameTable.Add(name);
// find following element with that name
while (this.Read())
{
if (this.NodeType == XmlNodeType.Element && Ref.Equal(name, this.Name))
{
return(true);
}
}
return(false);
}
internal void CheckElement(string localName, string namespaceURI)
{
if (localName == null || localName.Length == 0)
{
throw XmlExceptionHelper.CreateInvalidNameArgumentException(localName, "localName");
}
if (namespaceURI == null)
{
throw new ArgumentNullException("namespaceURI");
}
if (this.NodeType != XmlNodeType.Element)
{
throw new XmlException(Res.Xml_InvalidNodeType, this.NodeType.ToString(), this as IXmlLineInfo);
}
if (this.LocalName != localName || this.NamespaceURI != namespaceURI)
{
throw new XmlException(Res.Xml_ElementNotFoundNs, new string[2] {
localName, namespaceURI
}, this as IXmlLineInfo);
}
}
// Reads to the next sibling of the current element with the given Name.
public virtual bool ReadToNextSibling(string name)
{
if (name == null || name.Length == 0)
{
throw XmlExceptionHelper.CreateInvalidNameArgumentException(name, "name");
}
// atomize name
name = this.NameTable.Add(name);
// find the next sibling
XmlNodeType nt;
do
{
this.SkipSubtree();
nt = this.NodeType;
if (nt == XmlNodeType.Element && Ref.Equal(name, this.Name))
{
return(true);
}
} while (nt != XmlNodeType.EndElement && !this.EOF);
return(false);
}