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using System;
using System.Collections;
using System.Collections.Specialized;
using System.Threading;
using System.Xml;
using Commons.Xml;
namespace Commons.Xml.Nvdl
{
public class NvdlValidatingReader : XmlDefaultReader
{
NvdlDispatcher dispatcher;
public NvdlValidatingReader (XmlReader reader, NvdlRules rules)
: this (reader, rules, new XmlUrlResolver ())
{
}
public NvdlValidatingReader (XmlReader reader, NvdlRules rules, XmlResolver resolver)
: this (reader, rules, resolver, Nvdl.DefaultConfig)
{
}
public NvdlValidatingReader (XmlReader reader, NvdlRules rules,
XmlResolver resolver, NvdlConfig config)
: base (reader)
{
dispatcher = new NvdlDispatcher (new SimpleRules (
new NvdlCompileContext (
rules, config, resolver)), this);
}
internal NvdlValidatingReader (XmlReader reader, SimpleRules rules)
: base (reader)
{
dispatcher = new NvdlDispatcher (rules, this);
}
public event NvdlMessageEventHandler ActionStarted;
internal void OnMessage (ListDictionary messages)
{
if (messages == null)
return;
string message = messages [Thread.CurrentThread.CurrentCulture.Name] as string;
if (message == null)
message = messages [String.Empty] as string;
if (message == null)
return;
if (ActionStarted != null)
ActionStarted (this, new NvdlMessageEventArgs (message));
}
// validation.
public override bool Read ()
{
if (!Reader.Read ())
return false;
switch (Reader.NodeType) {
case XmlNodeType.Element:
dispatcher.StartElement ();
break;
case XmlNodeType.EndElement:
dispatcher.EndElement ();
break;
case XmlNodeType.Text:
case XmlNodeType.CDATA:
case XmlNodeType.SignificantWhitespace:
dispatcher.Text ();
break;
case XmlNodeType.Whitespace:
dispatcher.Whitespace ();
break;
}
return true;
}
}
}
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