public override object Execute(object context, object[] args, XmlDocument xmlResult)
{
if (context != null)
{
XmlNode node = context as XmlNode;
if (node == null)
{
if (context is Resultset)
{
XmlReader reader = new ResultsetReader((Resultset)context,
"context", _command.Context.GetSettings());
XQueryDocument tmp = new XQueryDocument(reader);
_command.ContextItem = tmp.CreateNavigator();
}
else
throw new ESQLException(
String.Format(Properties.Resources.XmlQueryContextMustBeANode, context), null);
}
else
_command.ContextItem = node.CreateNavigator();
}
if (args != null)
{
for (int k = 0; k < args.Length; k++)
{
XQueryParameter param = _command.Parameters[k];
object val = args[k];
if (val is Resultset)
{
XmlReader reader = new ResultsetReader((Resultset)val,
XmlConvert.EncodeName(param.LocalName), _command.Context.GetSettings());
XQueryDocument tmp = new XQueryDocument(reader);
param.Value = tmp.CreateNavigator();
}
else if (val is XmlNode)
param.Value = ((XmlNode)val).CreateNavigator();
else if (val is XmlNodeList)
param.Value = new XmlNodeListIterator((XmlNodeList)val);
else
param.Value = val;
}
}
XQueryNodeIterator iter = _command.Execute();
DOMConverter converter = new DOMConverter(xmlResult);
XmlDataAccessor.NodeList res = new XmlDataAccessor.NodeList();
while (iter.MoveNext())
res.Add(converter.ToXmlNode(iter.Current));
if (res.Count == 1)
return res[0];
return res;
}
private bool CompareFragment(XQueryContext context, string sourceFile, XQueryNodeIterator iter, XmlSpace space)
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("<?xml version='1.0'?>");
sb.Append("<root>");
TextReader textReader = new StreamReader(sourceFile, true);
sb.Append(textReader.ReadToEnd());
textReader.Close();
sb.Append("</root>");
XmlReaderSettings settings = context.GetSettings();
XmlReader reader = XmlReader.Create(new StringReader(sb.ToString()), settings);
XQueryDocument doc1 = new XQueryDocument(reader, space);
doc1.Fill();
context.AddDocument(doc1);
XQueryDocument doc2 = context.CreateDocument();
XQueryDocumentBuilder builder = new XQueryDocumentBuilder(doc2);
builder.WriteStartDocument();
builder.WriteStartElement("root", "");
Core.WriteNode(context.Engine, builder, iter.Clone());
builder.WriteEndElement();
XQueryNodeIterator iter1 = new NodeIterator(new XPathItem[] { doc1.CreateNavigator() });
XQueryNodeIterator iter2 = new NodeIterator(new XPathItem[] { doc2.CreateNavigator() });
TreeComparer comparer = new TreeComparer();
comparer.IgnoreWhitespace = true;
bool res = comparer.DeepEqual(iter1, iter2);
return res;
}
private XQueryCommand CreateCommand(TextWriter tw, XmlElement node)
{
string fileName = GetFilePath(node);
tw.Write("{0}: ", node.GetAttribute("name"));
if (!File.Exists(fileName))
{
_out.WriteLine("File {0} not exists.", fileName);
throw new ArgumentException();
}
XQueryCommand command = new XQueryCommand();
try
{
TextReader textReader = new StreamReader(fileName, true);
command.CommandText = textReader.ReadToEnd();
textReader.Close();
command.OnResolveCollection += new ResolveCollectionEvent(command_OnResolveCollection);
foreach (XmlNode child in node.ChildNodes)
{
XmlElement curr = child as XmlElement;
if (curr == null || curr.NamespaceURI != XQTSNamespace)
continue;
if (curr.LocalName == "module")
{
string ns = curr.GetAttribute("namespace");
string id = curr.InnerText;
command.DefineModuleNamespace(ns, _module[id]);
}
}
foreach (string[] schema in _schema.Values)
command.DefineSchemaNamespace(schema[0], schema[1]);
command.Compile();
foreach (XmlNode child in node.ChildNodes)
{
XmlElement curr = child as XmlElement;
if (curr == null || curr.NamespaceURI != XQTSNamespace)
continue;
if (curr.LocalName == "input-file")
{
string var = curr.GetAttribute("variable");
string id = curr.InnerText;
IXPathNavigable doc = command.Context.OpenDocument(_sources[id]);
command.Parameters.Add(new XQueryParameter(var, doc.CreateNavigator()));
}
else if (curr.LocalName == "contextItem")
{
string id = curr.InnerText;
XmlReader reader = XmlReader.Create(_sources[id], command.Context.GetSettings());
XQueryDocument doc = new XQueryDocument(reader);
command.ContextItem = doc.CreateNavigator();
}
else if (curr.LocalName == "defaultCollection")
{
string id = curr.InnerText;
command.OnResolveCollection += new ResolveCollectionEvent(delegate(object sender, ResolveCollectionArgs args)
{
if (args.CollectionName == "")
args.Collection = CreateCollection(command, id);
});
}
else if (curr.LocalName == "input-URI")
{
string var = curr.GetAttribute("variable");
string value = curr.InnerText;
string expandedUri;
if (!_sources.TryGetValue(value, out expandedUri))
expandedUri = value;
command.Parameters.Add(new XQueryParameter(var, expandedUri));
}
else if (curr.LocalName == "input-query")
{
string var = curr.GetAttribute("variable");
using (XQueryCommand command2 = new XQueryCommand())
{
TextReader textReader2 = new StreamReader(Path.Combine(
Path.GetDirectoryName(fileName), curr.GetAttribute("name") + ".xq"), true);
command2.CommandText = textReader2.ReadToEnd();
textReader2.Close();
command.Parameters.Add(new XQueryParameter(var, command2.Execute()));
}
}
}
return command;
}
catch (Exception)
{
command.Dispose();
throw;
}
}