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//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//-----------------------------------------------------------------------------
namespace System.Runtime.Serialization
{
using System.Security;
using System.Xml;
class Attributes
{
[Fx.Tag.SecurityNote(Critical = "Static field used to store the attribute names to read during deserialization."
+ " Static fields are marked SecurityCritical or readonly to prevent"
+ " data from being modified or leaked to other components in appdomain.")]
[SecurityCritical]
static XmlDictionaryString[] serializationLocalNames;
[Fx.Tag.SecurityNote(Critical = "Static field used to store the attribute names to read during deserialization."
+ " Static fields are marked SecurityCritical or readonly to prevent"
+ " data from being modified or leaked to other components in appdomain.")]
[SecurityCritical]
static XmlDictionaryString[] schemaInstanceLocalNames;
[Fx.Tag.SecurityNote(Critical = "Initializes critical static fields.",
Safe = "Doesn't leak anything.")]
[SecuritySafeCritical]
static Attributes()
{
serializationLocalNames = new XmlDictionaryString[]
{
DictionaryGlobals.IdLocalName,
DictionaryGlobals.ArraySizeLocalName,
DictionaryGlobals.RefLocalName,
DictionaryGlobals.ClrTypeLocalName,
DictionaryGlobals.ClrAssemblyLocalName,
DictionaryGlobals.ISerializableFactoryTypeLocalName
};
schemaInstanceLocalNames = new XmlDictionaryString[]
{
DictionaryGlobals.XsiNilLocalName,
DictionaryGlobals.XsiTypeLocalName
};
}
internal string Id;
internal string Ref;
internal string XsiTypeName;
internal string XsiTypeNamespace;
internal string XsiTypePrefix;
internal bool XsiNil;
internal string ClrAssembly;
internal string ClrType;
internal int ArraySZSize;
internal string FactoryTypeName;
internal string FactoryTypeNamespace;
internal string FactoryTypePrefix;
internal bool UnrecognizedAttributesFound;
[SecuritySafeCritical]
internal void Read(XmlReaderDelegator reader)
{
Reset();
while (reader.MoveToNextAttribute())
{
switch (reader.IndexOfLocalName(serializationLocalNames, DictionaryGlobals.SerializationNamespace))
{
case 0:
ReadId(reader);
break;
case 1:
ReadArraySize(reader);
break;
case 2:
ReadRef(reader);
break;
case 3:
ClrType = reader.Value;
break;
case 4:
ClrAssembly = reader.Value;
break;
case 5:
ReadFactoryType(reader);
break;
default:
switch (reader.IndexOfLocalName(schemaInstanceLocalNames, DictionaryGlobals.SchemaInstanceNamespace))
{
case 0:
ReadXsiNil(reader);
break;
case 1:
ReadXsiType(reader);
break;
default:
if (!reader.IsNamespaceUri(DictionaryGlobals.XmlnsNamespace))
UnrecognizedAttributesFound = true;
break;
}
break;
}
}
reader.MoveToElement();
}
internal void Reset()
{
Id = Globals.NewObjectId;
Ref = Globals.NewObjectId;
XsiTypeName = null;
XsiTypeNamespace = null;
XsiTypePrefix = null;
XsiNil = false;
ClrAssembly = null;
ClrType = null;
ArraySZSize = -1;
FactoryTypeName = null;
FactoryTypeNamespace = null;
FactoryTypePrefix = null;
UnrecognizedAttributesFound = false;
}
void ReadId(XmlReaderDelegator reader)
{
Id = reader.ReadContentAsString();
if (string.IsNullOrEmpty(Id))
{
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.InvalidXsIdDefinition, Id)));
}
}
void ReadRef(XmlReaderDelegator reader)
{
Ref = reader.ReadContentAsString();
if (string.IsNullOrEmpty(Ref))
{
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.InvalidXsRefDefinition, Ref)));
}
}
void ReadXsiNil(XmlReaderDelegator reader)
{
XsiNil = reader.ReadContentAsBoolean();
}
void ReadArraySize(XmlReaderDelegator reader)
{
ArraySZSize = reader.ReadContentAsInt();
if (ArraySZSize < 0)
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.InvalidSizeDefinition, ArraySZSize)));
}
void ReadXsiType(XmlReaderDelegator reader)
{
string xsiTypeString = reader.Value;
if (xsiTypeString != null && xsiTypeString.Length > 0)
XmlObjectSerializerReadContext.ParseQualifiedName(xsiTypeString, reader, out XsiTypeName, out XsiTypeNamespace, out XsiTypePrefix);
}
void ReadFactoryType(XmlReaderDelegator reader)
{
string factoryTypeString = reader.Value;
if (factoryTypeString != null && factoryTypeString.Length > 0)
XmlObjectSerializerReadContext.ParseQualifiedName(factoryTypeString, reader, out FactoryTypeName, out FactoryTypeNamespace, out FactoryTypePrefix);
}
}
}
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