internal DomAttribute AttributeByNameOrCreate(DomName name, bool insertFirst = false)
{
var attr = Attributes[name];
if (attr == null)
{
// Owner doc could be null (rare)
var doc = OwnerDocument;
if (doc == null)
{
attr = DomProviderFactory.ForProviderObject(this).CreateNodeFactory(null).CreateAttribute(name);
}
else
{
attr = doc.CreateAttribute(name);
}
if (insertFirst)
{
Attributes.Insert(0, attr);
}
else
{
Attributes.Add(attr);
}
}
return(attr);
}
public static DomReader Create(TextReader reader, DomReaderSettings settings)
{
if (settings == null)
{
return(Create(XmlReader.Create(reader)));
}
var pro = DomProviderFactory.ForProviderObject(settings) ?? DomProviderFactory.Default;
return(pro.CreateReader(reader, settings));
}
public static DomWriter Create(TextWriter writer, DomWriterSettings settings)
{
if (writer == null)
{
throw new ArgumentNullException(nameof(writer));
}
if (settings == null)
{
return(Create(XmlWriter.Create(writer)));
}
var pro = DomProviderFactory.ForProviderObject(settings) ?? DomProviderFactory.Default;
return(pro.CreateWriter(writer, settings));
}
internal static DomProviderFactory ForFileName(object settings, string fileName)
{
if (string.IsNullOrEmpty(fileName))
{
throw Failure.NullOrEmptyString(nameof(fileName));
}
var result = (settings != null ? DomProviderFactory.ForProviderObject(settings) : null);
var fromCriteria = FromCriteria(new {
Extension = Path.GetExtension(fileName)
});
// If the one from criteria is more specific, prefer it
if (result is DefaultDomProviderFactory)
{
return(fromCriteria ?? result);
}
return(result ?? fromCriteria ?? Default);
}
internal static T RequireFactoryGeneratedName <T>(Type type, Func <IDomNodeTypeProvider, Type, T> generator)
{
Type inputType = type;
while (type != typeof(object))
{
var fac = DomProviderFactory.ForProviderObject(type);
if (fac != null)
{
var name = generator(fac.NodeTypeProvider, inputType);
if (name != null)
{
return(name);
}
if (fac is DefaultDomProviderFactory)
{
break;
}
}
type = type.BaseType;
}
throw DomFailure.CannotGenerateName(inputType);
}