public XQueryDocumentBuilder(XQueryDocument doc)
{
m_document = doc;
if (doc.pagefile == null)
{
m_pageFile = new PageFile(false);
m_pageFile.HasSchemaInfo = true;
doc.pagefile = m_pageFile;
}
else
m_pageFile = doc.pagefile;
NameTable = doc.nameTable;
xmlns = NameTable.Get(XmlReservedNs.NsXmlNs);
_state = WriteState.Start;
if (doc.input == null)
{
_normalize = true;
hs = new HashSet<object>();
NamespaceManager = new XmlNamespaceManager(NameTable);
}
SchemaInfo = null;
DocumentRoot = new DmRoot();
_parent = DocumentRoot;
_text = null;
}
private void Read()
{
token.ThrowIfCancellationRequested();
if (lookahead || input.Read())
{
if (documentRoot == null)
{
builder.WriteStartDocument();
documentRoot = builder.DocumentRoot;
}
lookahead = false;
switch (input.NodeType)
{
case XmlNodeType.XmlDeclaration:
break;
case XmlNodeType.DocumentType:
try
{
object documentType;
string value = input.Value;
if (value == "")
documentType = DTDParser.ParseExternal(input.GetAttribute("PUBLIC"),
input.GetAttribute("SYSTEM"), baseUri);
else
documentType = DTDParser.ParseInline(value, baseUri);
CreateIdTable(documentType);
}
catch (XQueryException)
{
}
break;
case XmlNodeType.Element:
builder.IsEmptyElement = input.IsEmptyElement;
builder.WriteStartElement(input.Prefix, input.LocalName, input.NamespaceURI);
string elemName = input.Name;
while (input.MoveToNextAttribute())
{
builder.WriteStartAttribute(input.Prefix, input.LocalName, input.NamespaceURI);
builder.WriteString(input.Value);
builder.WriteEndAttribute();
if (elemIdTable != null)
{
string name;
if (elemIdTable.TryGetValue(elemName, out name) &&
name == input.Name)
{
if (IdTable == null)
IdTable = new Dictionary<string, int>();
if (!IdTable.ContainsKey(input.Value))
IdTable.Add(input.Value, builder.Position);
}
}
if (pagefile.HasSchemaInfo)
{
IXmlSchemaInfo schemaInfo = input.SchemaInfo;
if (schemaInfo != null && schemaInfo.SchemaType != null)
{
XmlTypeCode typeCode = schemaInfo.SchemaType.TypeCode;
if (typeCode == XmlTypeCode.Id)
{
if (IdTable == null)
IdTable = new Dictionary<string, int>();
if (!IdTable.ContainsKey(input.Value))
IdTable.Add(input.Value, builder.Position);
}
}
}
}
if (builder.IsEmptyElement)
builder.WriteEndElement();
else
{
while (input.Read())
{
if (input.NodeType == XmlNodeType.Text)
builder.WriteString(input.Value);
else if (input.NodeType == XmlNodeType.Whitespace)
{
if (preserveSpace)
builder.WriteString(input.Value);
}
else if (input.NodeType == XmlNodeType.EndElement)
{
builder.WriteEndElement();
break;
}
else
{
builder.CompleteElement();
lookahead = true;
break;
}
}
}
break;
case XmlNodeType.EndElement:
builder.WriteEndElement();
break;
case XmlNodeType.Text:
case XmlNodeType.CDATA:
builder.WriteString(input.Value);
break;
case XmlNodeType.EntityReference:
input.ResolveEntity();
break;
case XmlNodeType.ProcessingInstruction:
builder.WriteProcessingInstruction(input.LocalName, input.Value);
break;
case XmlNodeType.Comment:
builder.WriteComment(input.Value);
break;
case XmlNodeType.Whitespace:
case XmlNodeType.SignificantWhitespace:
if (preserveSpace)
builder.WriteString(input.Value);
break;
}
}
else
{
builder.WriteEndDocument();
input.Close();
input = null;
builder = null;
}
}
