private void PushScope(int elementDepth)
{
if (this._compatibilityScope.Depth < elementDepth)
{
this._compatibilityScope = new CompatibilityScope(this._compatibilityScope, elementDepth, this);
}
}
public XmlCompatibilityReader(XmlReader baseReader) : base(baseReader)
{
this._namespaceMap = new Dictionary <string, string>();
this._elementHandler = new Dictionary <string, HandleElementCallback>();
this._attributeHandler = new Dictionary <string, HandleAttributeCallback>();
this._compatibilityScope = new CompatibilityScope(null, -1, this);
foreach (string str in _predefinedNamespaces)
{
this.AddKnownNamespace(str);
this._namespaceMap[str] = str;
base.Reader.NameTable.Add(str);
}
this._elementHandler.Add(this.AlternateContent, new HandleElementCallback(this.HandleAlternateContent));
this._elementHandler.Add(this.Choice, new HandleElementCallback(this.HandleChoice));
this._elementHandler.Add(this.Fallback, new HandleElementCallback(this.HandleFallback));
this._attributeHandler.Add(this.Ignorable, new HandleAttributeCallback(this.HandleIgnorable));
this._attributeHandler.Add(this.MustUnderstand, new HandleAttributeCallback(this.HandleMustUnderstand));
this._attributeHandler.Add(this.ProcessContent, new HandleAttributeCallback(this.HandleProcessContent));
this._attributeHandler.Add(this.PreserveElements, new HandleAttributeCallback(this.HandlePreserveElements));
this._attributeHandler.Add(this.PreserveAttributes, new HandleAttributeCallback(this.HandlePreserveAttributes));
}
public XmlCompatibilityReader(XmlReader baseReader)
: base(baseReader)
{
_compatibilityScope = new CompatibilityScope(null, -1, this);
foreach (string xmlNamespace in _predefinedNamespaces)
{
AddKnownNamespace(xmlNamespace);
_namespaceMap[xmlNamespace] = xmlNamespace;
Reader.NameTable.Add(xmlNamespace);
}
_elementHandler.Add(AlternateContent, new HandleElementCallback(HandleAlternateContent));
_elementHandler.Add(Choice, new HandleElementCallback(HandleChoice));
_elementHandler.Add(Fallback, new HandleElementCallback(HandleFallback));
_attributeHandler.Add(Ignorable, new HandleAttributeCallback(HandleIgnorable));
_attributeHandler.Add(MustUnderstand, new HandleAttributeCallback(HandleMustUnderstand));
_attributeHandler.Add(ProcessContent, new HandleAttributeCallback(HandleProcessContent));
_attributeHandler.Add(PreserveElements, new HandleAttributeCallback(HandlePreserveElements));
_attributeHandler.Add(PreserveAttributes, new HandleAttributeCallback(HandlePreserveAttributes));
}
public CompatibilityScope(CompatibilityScope previous, int depth, XmlCompatibilityReader reader)
{
_previous = previous;
_depth = depth;
_reader = reader;
}
/// <summary>
/// pushes a new scope onto the stack with a depth passed as an arg.
/// PushScope does not push a scope if the top scope on the stack is not a lower depth.
/// </summary>
/// <param name="elementDepth">
/// the depth of the Reader at the element currently being processed
/// </param>
private void PushScope(int elementDepth)
{
if (_compatibilityScope.Depth < elementDepth)
{
// if the current element has already pushed a scope, then don't push another one
_compatibilityScope = new CompatibilityScope(_compatibilityScope, elementDepth, this);
}
}
private void PopScope()
{
this._compatibilityScope = this._compatibilityScope.Previous;
}
private void HandleChoice(int elementDepth, ref bool more)
{
if (!this.Scope.InAlternateContent)
{
this.Error(System.Xaml.SR.Get("XCRChoiceOnlyInAC"), new object[0]);
}
if (this.Scope.FallbackSeen)
{
this.Error(System.Xaml.SR.Get("XCRChoiceAfterFallback"), new object[0]);
}
string attribute = base.Reader.GetAttribute(this.Requires);
if (attribute == null)
{
this.Error(System.Xaml.SR.Get("XCRRequiresAttribNotFound"), new object[0]);
}
if (string.IsNullOrEmpty(attribute))
{
this.Error(System.Xaml.SR.Get("XCRInvalidRequiresAttribute"), new object[0]);
}
CompatibilityScope scope = this.Scope;
this.ScanForCompatibility(elementDepth);
if (this.AttributeCount != 1)
{
this.MoveToFirstAttribute();
if (base.Reader.LocalName == this.Requires)
{
this.MoveToNextAttribute();
}
string localName = base.Reader.LocalName;
this.MoveToElement();
this.Error(System.Xaml.SR.Get("XCRInvalidAttribInElement"), new object[] { localName, this.Choice });
}
if (scope.ChoiceTaken)
{
this.ScanForEndCompatibility(elementDepth);
base.Reader.Skip();
}
else
{
scope.ChoiceSeen = true;
bool flag = true;
bool flag2 = false;
foreach (string str3 in this.PrefixesToNamespaces(attribute))
{
flag2 = true;
if (!this.IsNamespaceKnown(str3))
{
flag = false;
break;
}
}
if (!flag2)
{
this.Error(System.Xaml.SR.Get("XCRInvalidRequiresAttribute"), new object[0]);
}
if (flag)
{
scope.ChoiceTaken = true;
this.PushScope(elementDepth);
this._depthOffset++;
more = base.Reader.Read();
}
else
{
this.ScanForEndCompatibility(elementDepth);
base.Reader.Skip();
}
}
}
