void DoDiff(QueryAggregator diffQueries)
{
// Interfaces have no base type
if (!TypeV1.IsInterface)
{
this.HasChangedBaseType = !IsSameBaseType(TypeV1, TypeV2);
}
DiffImplementedInterfaces();
DiffFields(diffQueries);
DiffMethods(diffQueries);
DiffEvents(diffQueries);
}
private void DiffEvents(QueryAggregator diffQueries)
{
List <EventDefinition> eventsV1 = diffQueries.ExecuteAndAggregateEventQueries(TypeV1);
List <EventDefinition> eventsV2 = diffQueries.ExecuteAndAggregateEventQueries(TypeV2);
ListDiffer <EventDefinition> differ = new ListDiffer <EventDefinition>(CompareEvents);
differ.Diff(eventsV1, eventsV2,
(added) =>
{
this.Events.Add(new DiffResult <EventDefinition>(added, new DiffOperation(true)));
},
(removed) =>
{
this.Events.Add(new DiffResult <EventDefinition>(removed, new DiffOperation(false)));
});
}
private void DiffFields(QueryAggregator diffQueries)
{
List <FieldDefinition> fieldsV1 = diffQueries.ExecuteAndAggregateFieldQueries(TypeV1);
List <FieldDefinition> fieldsV2 = diffQueries.ExecuteAndAggregateFieldQueries(TypeV2);
ListDiffer <FieldDefinition> fieldDiffer = new ListDiffer <FieldDefinition>(CompareFieldsByTypeAndName);
fieldDiffer.Diff(fieldsV1, fieldsV2,
(addedField) =>
{
this.Fields.Add(new DiffResult <FieldDefinition>(addedField, new DiffOperation(true)));
},
(removedField) =>
{
this.Fields.Add(new DiffResult <FieldDefinition>(removedField, new DiffOperation(false)));
});
}
private void DiffMethods(QueryAggregator diffQueries)
{
var methodsV1 = diffQueries.ExecuteAndAggregateMethodQueries(this.TypeV1);
var methodsV2 = diffQueries.ExecuteAndAggregateMethodQueries(this.TypeV2);
ListDiffer <MethodDefinition> differ = new ListDiffer <MethodDefinition>(CompareMethodByNameAndTypesIncludingGenericArguments);
differ.Diff(methodsV1, methodsV2,
(added) =>
{
this.Methods.Add(new DiffResult <MethodDefinition>(added, new DiffOperation(true)));
},
(removed) =>
{
this.Methods.Add(new DiffResult <MethodDefinition>(removed, new DiffOperation(false)));
}
);
}
public AssemblyDiffCollection GenerateTypeDiff(QueryAggregator queries)
{
if (queries == null || queries.TypeQueries.Count == 0)
{
throw new ArgumentNullException("queries is null or contains no queries");
}
List <TypeDefinition> typesV1 = queries.ExeuteAndAggregateTypeQueries(myV1);
List <TypeDefinition> typesV2 = queries.ExeuteAndAggregateTypeQueries(myV2);
ListDiffer <TypeDefinition> differ = new ListDiffer <TypeDefinition>(ShallowTypeComapare);
differ.Diff(typesV1, typesV2, OnAddedType, OnRemovedType);
DiffTypes(typesV1, typesV2, queries);
return(myDiff);
}
/// <summary>
/// Checks if the type has changes
/// On type level
/// Base Types, implemented interfaces, generic parameters
/// On method level
/// Method modifiers, return type, generic parameters, parameter count, parameter types (also generics)
/// On field level
/// Field types
/// </summary>
/// <param name="typeV1">The type v1.</param>
/// <param name="typeV2">The type v2.</param>
/// <param name="diffQueries">The diff queries.</param>
/// <returns></returns>
public static TypeDiff GenerateDiff(TypeDefinition typeV1, TypeDefinition typeV2, QueryAggregator diffQueries)
{
if (typeV1 == null)
{
throw new ArgumentNullException("typeV1");
}
if (typeV2 == null)
{
throw new ArgumentNullException("typeV2");
}
if (diffQueries == null || diffQueries.FieldQueries.Count == 0 ||
diffQueries.MethodQueries.Count == 0)
{
throw new ArgumentException("diffQueries was null or the method or field query list was emtpy. This will not result in a meaningful diff result");
}
TypeDiff diff = new TypeDiff(typeV1, typeV2);
diff.DoDiff(diffQueries);
if (!diff.HasChangedBaseType &&
diff.Events.Count == 0 &&
diff.Fields.Count == 0 &&
diff.Interfaces.Count == 0 &&
diff.Methods.Count == 0)
{
return(TypeDiff.None);
}
return(diff);
}
private void DiffTypes(List <TypeDefinition> typesV1, List <TypeDefinition> typesV2, QueryAggregator queries)
{
TypeDefinition typeV2;
foreach (var typeV1 in typesV1)
{
typeV2 = GetTypeByDefinition(typeV1, typesV2);
if (typeV2 != null)
{
TypeDiff diffed = TypeDiff.GenerateDiff(typeV1, typeV2, queries);
if (TypeDiff.None != diffed)
{
myDiff.ChangedTypes.Add(diffed);
}
}
}
}
