/// <summary>
/// Collect information
/// </summary>
private void Collect()
{
// Remember all the interface name to coclass name mapping
Hashtable interfaceToCoClassMapping = new Hashtable();
//
// For every coclass
//
int nCount = m_typeLib.GetTypeInfoCount();
for (int n = 0; n < nCount; ++n)
{
TypeInfo type = m_typeLib.GetTypeInfo(n);
//
// Walk the list of implemented interfaces
//
using (TypeAttr attr = type.GetTypeAttr())
{
if (attr.typekind == TypeLibTypes.Interop.TYPEKIND.TKIND_COCLASS)
{
DefaultInterfaceInfo defaultInterfaceInfo = new DefaultInterfaceInfo();
defaultInterfaceInfo.coclass = type;
defaultInterfaceInfo.coclassName = type.GetDocumentation();
for (int m = 0; m < attr.cImplTypes; ++m)
{
TypeLibTypes.Interop.IMPLTYPEFLAGS flags = type.GetImplTypeFlags(m);
bool bDefault = (flags & TypeLibTypes.Interop.IMPLTYPEFLAGS.IMPLTYPEFLAG_FDEFAULT) != 0;
// For invalid default interfaces, such as
// coclass MyObj
// {
// [default] interface IUnknown;
// interface IA;
// }
// to use the first valid interface, which is IA;
// if (!bDefault) continue;
bool bSource = (flags & TypeLibTypes.Interop.IMPLTYPEFLAGS.IMPLTYPEFLAG_FSOURCE) != 0;
TypeInfo typeImpl = type.GetRefType(m);
using (TypeAttr attrImpl = typeImpl.GetTypeAttr())
{
// Skip IUnknown & IDispatch
if (attrImpl.Guid == WellKnownGuids.IID_IDispatch ||
attrImpl.Guid == WellKnownGuids.IID_IUnknown)
continue;
// Skip non-dispatch interfaces that doesn't derive from IUnknown
if (!attrImpl.IsDispatch && !ConvCommon.IsDerivedFromIUnknown(typeImpl))
continue;
string name = typeImpl.GetDocumentation();
if (bSource)
{
// Default source interface
if (bDefault || // If explicitly stated as default, use that
defaultInterfaceInfo.defaultSourceInterface == null) // otherwise, try to use the first one
{
defaultInterfaceInfo.defaultSourceInterface = typeImpl;
defaultInterfaceInfo.defaultSourceInterfaceName = name;
}
}
else
{
// Default interface
if (bDefault || // If explicitly stated as default, use that
defaultInterfaceInfo.defaultInterface == null) // otherwise, try to use the first one
{
defaultInterfaceInfo.defaultInterface = typeImpl;
defaultInterfaceInfo.defaultInterfaceName = name;
}
}
}
}
//
// Walk through the list of implemented interfaces again. This time we remember all the implemented interfaces (including base)
//
for (int m = 0; m < attr.cImplTypes; ++m)
{
TypeInfo typeImpl = type.GetRefType(m);
string name = typeImpl.GetDocumentation();
while (typeImpl != null)
{
// If we arleady seen this interface
if (interfaceToCoClassMapping.Contains(name))
{
// and if it is for a different interface
if ((string)interfaceToCoClassMapping[name] != defaultInterfaceInfo.coclassName)
{
// Set the name to null so that we know we've seen other interfaces
interfaceToCoClassMapping[name] = null;
}
}
else
{
interfaceToCoClassMapping.Add(name, defaultInterfaceInfo.coclassName);
}
TypeAttr attrImpl = typeImpl.GetTypeAttr();
if (attrImpl.cImplTypes == 1)
typeImpl = typeImpl.GetRefType(0);
else
typeImpl = null;
}
}
// We do allow coclass that doesn't have any 'valid' default interfaces to have a class interface
// For example,
// coclass MyObject {
// [default] interface IUnknown;
// }
m_defaultInterfaceInfoList.Add(defaultInterfaceInfo);
}
}
}
foreach (DefaultInterfaceInfo defaultInterfaceInfo in m_defaultInterfaceInfoList)
{
bool isExclusive = true;
if (defaultInterfaceInfo.defaultInterface != null)
{
if (interfaceToCoClassMapping.Contains(defaultInterfaceInfo.defaultInterfaceName))
{
if (interfaceToCoClassMapping[defaultInterfaceInfo.defaultInterfaceName] == null)
{
isExclusive = false;
}
}
defaultInterfaceInfo.isExclusive = isExclusive;
}
}
}
/// <summary>
/// Collect information
/// </summary>
private void Collect()
{
// Remember all the interface name to coclass name mapping
Hashtable interfaceToCoClassMapping = new Hashtable();
//
// For every coclass
//
int nCount = m_typeLib.GetTypeInfoCount();
for (int n = 0; n < nCount; ++n)
{
TypeInfo type = m_typeLib.GetTypeInfo(n);
//
// Walk the list of implemented interfaces
//
using (TypeAttr attr = type.GetTypeAttr())
{
if (attr.typekind == TYPEKIND.TKIND_COCLASS)
{
DefaultInterfaceInfo defaultInterfaceInfo = new DefaultInterfaceInfo();
defaultInterfaceInfo.coclass = type;
defaultInterfaceInfo.coclassName = type.GetDocumentation();
for (int m = 0; m < attr.cImplTypes; ++m)
{
IMPLTYPEFLAGS flags = type.GetImplTypeFlags(m);
bool bDefault = (flags & IMPLTYPEFLAGS.IMPLTYPEFLAG_FDEFAULT) != 0;
// For invalid default interfaces, such as
// coclass MyObj
// {
// [default] interface IUnknown;
// interface IA;
// }
// to use the first valid interface, which is IA;
// if (!bDefault) continue;
bool bSource = (flags & IMPLTYPEFLAGS.IMPLTYPEFLAG_FSOURCE) != 0;
TypeInfo typeImpl = type.GetRefType(m);
using (TypeAttr attrImpl = typeImpl.GetTypeAttr())
{
// Skip IUnknown & IDispatch
if (attrImpl.Guid == WellKnownGuids.IID_IDispatch ||
attrImpl.Guid == WellKnownGuids.IID_IUnknown)
{
continue;
}
// Skip non-dispatch interfaces that doesn't derive from IUnknown
if (!attrImpl.IsDispatch && !ConvCommon.IsDerivedFromIUnknown(typeImpl))
{
continue;
}
string name = typeImpl.GetDocumentation();
if (bSource)
{
// Default source interface
if (bDefault || // If explicitly stated as default, use that
defaultInterfaceInfo.defaultSourceInterface == null) // otherwise, try to use the first one
{
defaultInterfaceInfo.defaultSourceInterface = typeImpl;
defaultInterfaceInfo.defaultSourceInterfaceName = name;
}
}
else
{
// Default interface
if (bDefault || // If explicitly stated as default, use that
defaultInterfaceInfo.defaultInterface == null) // otherwise, try to use the first one
{
defaultInterfaceInfo.defaultInterface = typeImpl;
defaultInterfaceInfo.defaultInterfaceName = name;
}
}
}
}
//
// Walk through the list of implemented interfaces again. This time we remember all the implemented interfaces (including base)
//
for (int m = 0; m < attr.cImplTypes; ++m)
{
TypeInfo typeImpl = type.GetRefType(m);
string name = typeImpl.GetDocumentation();
while (typeImpl != null)
{
// If we arleady seen this interface
if (interfaceToCoClassMapping.Contains(name))
{
// and if it is for a different interface
if ((string)interfaceToCoClassMapping[name] != defaultInterfaceInfo.coclassName)
{
// Set the name to null so that we know we've seen other interfaces
interfaceToCoClassMapping[name] = null;
}
}
else
{
interfaceToCoClassMapping.Add(name, defaultInterfaceInfo.coclassName);
}
TypeAttr attrImpl = typeImpl.GetTypeAttr();
if (attrImpl.cImplTypes == 1)
{
typeImpl = typeImpl.GetRefType(0);
}
else
{
typeImpl = null;
}
}
}
// We do allow coclass that doesn't have any 'valid' default interfaces to have a class interface
// For example,
// coclass MyObject {
// [default] interface IUnknown;
// }
m_defaultInterfaceInfoList.Add(defaultInterfaceInfo);
}
}
}
foreach (DefaultInterfaceInfo defaultInterfaceInfo in m_defaultInterfaceInfoList)
{
bool isExclusive = true;
if (defaultInterfaceInfo.defaultInterface != null)
{
if (interfaceToCoClassMapping.Contains(defaultInterfaceInfo.defaultInterfaceName))
{
if (interfaceToCoClassMapping[defaultInterfaceInfo.defaultInterfaceName] == null)
{
isExclusive = false;
}
}
defaultInterfaceInfo.isExclusive = isExclusive;
}
}
}
