private void CheckRequiredElements(BitFlagsGenerator expectedElements, byte[] requiredElements, Label throwMissingRequiredMembersLabel)
{
for (int i = 0; i < requiredElements.Length; i++)
{
this.ilg.Load(expectedElements.GetLocal(i));
this.ilg.Load(requiredElements[i]);
this.ilg.And();
this.ilg.Load(0);
this.ilg.Ceq();
this.ilg.Brfalse(throwMissingRequiredMembersLabel);
}
}
private void SetExpectedElements(BitFlagsGenerator expectedElements, int startIndex)
{
int bitCount = expectedElements.GetBitCount();
for (int i = startIndex; i < bitCount; i++)
{
expectedElements.Store(i, true);
}
}
private void ResetExpectedElements(BitFlagsGenerator expectedElements, int index)
{
expectedElements.Store(index, false);
}
private int ReadMembers(ClassDataContract classContract, BitFlagsGenerator expectedElements, Label[] memberLabels, Label throwDuplicateMemberLabel, LocalBuilder memberIndexLocal)
{
int index = (classContract.BaseContract == null) ? 0 : this.ReadMembers(classContract.BaseContract, expectedElements, memberLabels, throwDuplicateMemberLabel, memberIndexLocal);
int num2 = 0;
while (num2 < classContract.Members.Count)
{
DataMember member = classContract.Members[num2];
Type memberType = member.MemberType;
this.ilg.Case(memberLabels[index], member.Name);
this.ilg.Set(memberIndexLocal, index);
expectedElements.Load(index);
this.ilg.Brfalse(throwDuplicateMemberLabel);
LocalBuilder local = null;
if (member.IsGetOnlyCollection)
{
this.ilg.LoadAddress(this.objectLocal);
this.ilg.LoadMember(member.MemberInfo);
local = this.ilg.DeclareLocal(memberType, member.Name + "Value");
this.ilg.Stloc(local);
this.ilg.Call(this.contextArg, XmlFormatGeneratorStatics.StoreCollectionMemberInfoMethod, local);
this.ReadValue(memberType, member.Name);
}
else
{
local = this.ReadValue(memberType, member.Name);
this.ilg.LoadAddress(this.objectLocal);
this.ilg.ConvertAddress(this.objectLocal.LocalType, this.objectType);
this.ilg.Ldloc(local);
this.ilg.StoreMember(member.MemberInfo);
}
this.ResetExpectedElements(expectedElements, index);
this.ilg.EndCase();
num2++;
index++;
}
return index;
}
private void ReadMembers(ClassDataContract classContract, LocalBuilder extensionDataLocal)
{
int length = classContract.MemberNames.Length;
this.ilg.Call(this.contextArg, XmlFormatGeneratorStatics.IncrementItemCountMethod, length);
BitFlagsGenerator expectedElements = new BitFlagsGenerator(length, this.ilg, classContract.UnderlyingType.Name + "_ExpectedElements");
byte[] requiredElements = new byte[expectedElements.GetLocalCount()];
this.SetRequiredElements(classContract, requiredElements);
this.SetExpectedElements(expectedElements, 0);
LocalBuilder builder = this.ilg.DeclareLocal(Globals.TypeOfInt, "memberIndex", -1);
Label throwDuplicateMemberLabel = this.ilg.DefineLabel();
Label throwMissingRequiredMembersLabel = this.ilg.DefineLabel();
object forState = this.ilg.For(null, null, null);
this.ilg.Call(null, XmlFormatGeneratorStatics.MoveToNextElementMethod, this.xmlReaderArg);
this.ilg.IfFalseBreak(forState);
this.ilg.Call(this.contextArg, JsonFormatGeneratorStatics.GetJsonMemberIndexMethod, this.xmlReaderArg, this.memberNamesArg, builder, extensionDataLocal);
if (length > 0)
{
Label[] memberLabels = this.ilg.Switch(length);
this.ReadMembers(classContract, expectedElements, memberLabels, throwDuplicateMemberLabel, builder);
this.ilg.EndSwitch();
}
else
{
this.ilg.Pop();
}
this.ilg.EndFor();
this.CheckRequiredElements(expectedElements, requiredElements, throwMissingRequiredMembersLabel);
Label label = this.ilg.DefineLabel();
this.ilg.Br(label);
this.ilg.MarkLabel(throwDuplicateMemberLabel);
this.ilg.Call(null, JsonFormatGeneratorStatics.ThrowDuplicateMemberExceptionMethod, this.objectLocal, this.memberNamesArg, builder);
this.ilg.MarkLabel(throwMissingRequiredMembersLabel);
this.ilg.Load(this.objectLocal);
this.ilg.ConvertValue(this.objectLocal.LocalType, Globals.TypeOfObject);
this.ilg.Load(this.memberNamesArg);
expectedElements.LoadArray();
this.LoadArray(requiredElements, "requiredElements");
this.ilg.Call(JsonFormatGeneratorStatics.ThrowMissingRequiredMembersMethod);
this.ilg.MarkLabel(label);
}
private static bool IsBitSet(byte[] bytes, int bitIndex)
{
return(BitFlagsGenerator.IsBitSet(bytes, bitIndex));
}