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// slang-artifact-impl.cpp
#include "slang-artifact-impl.h"
#include "slang-artifact-representation.h"
#include "slang-artifact-util.h"
namespace Slang {
/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! ArtifactList !!!!!!!!!!!!!!!!!!!!!!!!!!! */
void* ArtifactList::getInterface(const Guid& guid)
{
if (guid == ISlangUnknown::getTypeGuid() ||
guid == ICastable::getTypeGuid() ||
guid == IArtifactList::getTypeGuid())
{
return static_cast<IArtifactList*>(this);
}
return nullptr;
}
void* ArtifactList::getObject(const Guid& guid)
{
// For now we can't cast to an object
SLANG_UNUSED(guid);
return nullptr;
}
void* ArtifactList::castAs(const Guid& guid)
{
if (auto intf = getInterface(guid))
{
return intf;
}
return getObject(guid);
}
void ArtifactList::add(IArtifact* artifact)
{
// Must be set
SLANG_ASSERT(artifact);
// Can't already be in the list
SLANG_ASSERT(m_artifacts.indexOf(artifact) < 0);
// Can't have another owner
SLANG_ASSERT(artifact->getParent() == nullptr);
// Set the parent
artifact->setParent(m_parent);
// Add
m_artifacts.add(ComPtr<IArtifact>(artifact));
}
void ArtifactList::removeAt(Index index)
{
IArtifact* artifact = m_artifacts[index];
artifact->setParent(nullptr);
m_artifacts.removeAt(index);
}
void ArtifactList::clear()
{
_setParent(nullptr);
m_artifacts.clear();
}
void ArtifactList::_setParent(IArtifact* parent)
{
if (m_parent == parent)
{
return;
}
for (IArtifact* artifact : m_artifacts)
{
artifact->setParent(artifact);
}
}
/* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Artifact !!!!!!!!!!!!!!!!!!!!!!!!!!! */
void* Artifact::getInterface(const Guid& uuid)
{
if (uuid == ISlangUnknown::getTypeGuid() || uuid == IArtifact::getTypeGuid())
{
return static_cast<IArtifact*>(this);
}
return nullptr;
}
bool Artifact::exists()
{
for (ISlangUnknown* item : m_items)
{
ComPtr<ICastable> castable;
if (SLANG_SUCCEEDED(item->queryInterface(ICastable::getTypeGuid(), (void**)castable.writeRef())) && castable)
{
auto rep = as<IArtifactRepresentation>(castable);
if (rep)
{
// It is a rep and it exists
if (rep->exists())
{
return true;
}
continue;
}
// Associated types don't encapsulate an artifact representation, so don't signal existance
if (as<IArtifactAssociated>(castable))
{
continue;
}
}
// It can't be IArtifactRepresentation or IArtifactAssociated, so we assume means it exists
return true;
}
return false;
}
void Artifact::addItem(ISlangUnknown* intf)
{
SLANG_ASSERT(intf);
// Can't already be in there
SLANG_ASSERT(m_items.indexOf(intf) < 0);
// Add it
m_items.add(ComPtr<ISlangUnknown>(intf));
}
void Artifact::removeItemAt(Index i)
{
m_items.removeAt(i);
}
void* Artifact::findItemInterface(const Guid& guid)
{
for (ISlangUnknown* intf : m_items)
{
ISlangUnknown* cast = nullptr;
if (SLANG_SUCCEEDED(intf->queryInterface(guid, (void**)&cast)) && cast)
{
// NOTE! This assumes we *DONT* need to ref count to keep an interface in scope
// (as strict COM requires so as to allow on demand interfaces).
cast->release();
return cast;
}
}
return nullptr;
}
void* Artifact::findItemObject(const Guid& classGuid)
{
for (ISlangUnknown* intf : m_items)
{
ComPtr<ICastable> castable;
if (SLANG_SUCCEEDED(intf->queryInterface(ICastable::getTypeGuid(), (void**)castable.writeRef())) && castable)
{
void* obj = castable->castAs(classGuid);
// NOTE! This assumes we *DONT* need to ref count to keep an interface in scope
// (as strict COM requires so as to allow on demand interfaces).
// If could cast return the result
if (obj)
{
return obj;
}
}
}
return nullptr;
}
SlangResult Artifact::requireFile(Keep keep, IFileArtifactRepresentation** outFileRep)
{
auto util = ArtifactUtilImpl::getSingleton();
return util->requireFileDefaultImpl(this, keep, outFileRep);
}
SlangResult Artifact::loadBlob(Keep keep, ISlangBlob** outBlob)
{
// If we have a blob just return it
if (auto blob = findItem<ISlangBlob>(this))
{
blob->addRef();
*outBlob = blob;
return SLANG_OK;
}
ComPtr<ISlangBlob> blob;
// Look for a representation that we can serialize into a blob
for (ISlangUnknown* intf : m_items)
{
ComPtr<IArtifactRepresentation> rep;
if (SLANG_SUCCEEDED(intf->queryInterface(IArtifactRepresentation::getTypeGuid(), (void**)rep.writeRef())) && rep)
{
SlangResult res = rep->writeToBlob(blob.writeRef());
if (SLANG_SUCCEEDED(res) && blob)
{
break;
}
}
}
// Wasn't able to construct
if (!blob)
{
return SLANG_E_NOT_FOUND;
}
// Put in cache
if (canKeep(keep))
{
addItem(blob);
}
*outBlob = blob.detach();
return SLANG_OK;
}
} // namespace Slang
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