/// <summary> Creates a validator that requires documents to use the specified DTD </summary>
public XhtmlValidation(XhtmlDTDSpecification dtdRequired)
{
_requiresDtd = dtdRequired;
_nameTable = new NameTable();
_namespaces = new XmlNamespaceManager(_nameTable);
_namespaces.AddNamespace("htm", "http://www.w3.org/1999/xhtml");
}
void ValidateDocument(XhtmlDTDSpecification expect, string filename, string contents)
{
XmlResolver resolver = new XmlResolver();
resolver.Credentials = null;
ValidationErrorsList errors = new ValidationErrorsList(filename, contents);
using (XmlReader reader = XmlReader.Create(new StringReader(contents), MakeReaderSettings(resolver, errors.OnValidationError)))
{
try
{
reader.MoveToContent();
if (expect != XhtmlDTDSpecification.None)
{
if (expect != XhtmlDTDSpecification.Any && expect != resolver.DTDSpecification)
{
throw new XmlException("Missing required DTD specification.", null, 1, 1);
}
if (reader.LocalName != "html")
{
throw new XmlException(String.Format("Unexpected root element: {0}", reader.LocalName));
}
if (reader.NamespaceURI != _namespaces.LookupNamespace("htm"))
{
throw new XmlException(String.Format("Unexpected root namespace: {0}", reader.NamespaceURI));
}
}
while (reader.Read())
{
}
}
catch (XmlException xmlEx)
{
errors.OnXmlException(xmlEx);
}
}
errors.Assert();
}
public override object GetEntity(Uri absoluteUri, string role, Type ofObjectToReturn)
{
Uri cwd = new Uri(Environment.CurrentDirectory);
string loc = absoluteUri.ToString();
if (loc.StartsWith(cwd.AbsoluteUri))
{
loc = loc.Substring(cwd.AbsoluteUri.Length).TrimStart('/');
}
foreach (DOCTYPEAttribute attr in _docTypes)
{
if (attr.PUBLIC == loc || attr.SYSTEM == loc)
{
this.DTDSpecification = attr.DTD;
return(Check.NotNull(GetType().Assembly.GetManifestResourceStream(GetType(), attr.RESOURCE)));
}
}
if (this.DTDSpecification == XhtmlDTDSpecification.XhtmlStrict_10 ||
this.DTDSpecification == XhtmlDTDSpecification.XhtmlFrameset_10 ||
this.DTDSpecification == XhtmlDTDSpecification.XhtmlTransitional_10)
{
if (loc.EndsWith("/xhtml-lat1.ent"))
{
return(Check.NotNull(GetType().Assembly.GetManifestResourceStream(GetType(), "Xhtml1_0.xhtml-lat1.ent")));
}
else if (loc.EndsWith("/xhtml-special.ent"))
{
return(Check.NotNull(GetType().Assembly.GetManifestResourceStream(GetType(), "Xhtml1_0.xhtml-special.ent")));
}
else if (loc.EndsWith("/xhtml-symbol.ent"))
{
return(Check.NotNull(GetType().Assembly.GetManifestResourceStream(GetType(), "Xhtml1_0.xhtml-symbol.ent")));
}
}
return(null);
}
