/*
* Copyright 2013-2017 consulo.io
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package consulo.csharp.lang.psi.impl.resolve;
import gnu.trove.THashSet;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import consulo.annotations.RequiredReadAction;
import consulo.csharp.lang.psi.CSharpConstructorDeclaration;
import consulo.csharp.lang.psi.CSharpConversionMethodDeclaration;
import consulo.csharp.lang.psi.CSharpIndexMethodDeclaration;
import consulo.csharp.lang.psi.CSharpMethodDeclaration;
import consulo.csharp.lang.psi.CSharpModifier;
import consulo.csharp.lang.psi.CSharpTypeDeclaration;
import consulo.csharp.lang.psi.ToNativeElementTransformers;
import consulo.csharp.lang.psi.impl.msil.CSharpTransformer;
import consulo.csharp.lang.psi.impl.partial.CSharpCompositeTypeDeclaration;
import consulo.csharp.lang.psi.impl.stub.index.CSharpIndexKeys;
import consulo.csharp.lang.psi.impl.stub.index.TypeWithExtensionMethodsIndex;
import consulo.csharp.lang.psi.resolve.CSharpElementGroup;
import consulo.csharp.lang.psi.resolve.CSharpResolveContext;
import consulo.dotnet.lang.psi.impl.BaseDotNetNamespaceAsElement;
import consulo.dotnet.lang.psi.impl.stub.DotNetNamespaceStubUtil;
import consulo.dotnet.psi.DotNetTypeDeclaration;
import consulo.dotnet.resolve.DotNetGenericExtractor;
import consulo.dotnet.resolve.DotNetNamespaceAsElement;
import com.intellij.openapi.progress.ProgressManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.UserDataHolder;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.PsiElement;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.stubs.StubIndex;
import com.intellij.psi.tree.IElementType;
import com.intellij.util.CommonProcessors;
import com.intellij.util.Processor;
import com.intellij.util.SmartList;
import consulo.csharp.lang.CSharpCastType;
/**
* @author VISTALL
* @since 07.10.14
*/
public class CSharpNamespaceResolveContext implements CSharpResolveContext
{
private final DotNetNamespaceAsElement myNamespaceAsElement;
private final GlobalSearchScope myResolveScope;
public CSharpNamespaceResolveContext(DotNetNamespaceAsElement namespaceAsElement, GlobalSearchScope resolveScope)
{
myNamespaceAsElement = namespaceAsElement;
myResolveScope = resolveScope;
}
@RequiredReadAction
@Nullable
@Override
public CSharpElementGroup<CSharpIndexMethodDeclaration> indexMethodGroup(boolean deep)
{
return null;
}
@RequiredReadAction
@Nullable
@Override
public CSharpElementGroup<CSharpConstructorDeclaration> constructorGroup()
{
return null;
}
@RequiredReadAction
@Nullable
@Override
public CSharpElementGroup<CSharpConstructorDeclaration> deConstructorGroup()
{
return null;
}
@RequiredReadAction
@Nullable
@Override
public CSharpElementGroup<CSharpMethodDeclaration> findOperatorGroupByTokenType(@NotNull IElementType type, boolean deep)
{
return null;
}
@RequiredReadAction
@Nullable
@Override
public CSharpElementGroup<CSharpConversionMethodDeclaration> findConversionMethodGroup(@NotNull CSharpCastType castType, boolean deep)
{
return null;
}
@RequiredReadAction
@Nullable
@Override
public CSharpElementGroup<CSharpMethodDeclaration> findExtensionMethodGroupByName(@NotNull String name)
{
String presentableName = DotNetNamespaceStubUtil.getIndexableNamespace(myNamespaceAsElement.getPresentableQName());
Collection<DotNetTypeDeclaration> decls = TypeWithExtensionMethodsIndex.getInstance().get(presentableName, myNamespaceAsElement.getProject(), myResolveScope);
if(decls.isEmpty())
{
return null;
}
List<CSharpElementGroup<CSharpMethodDeclaration>> list = new SmartList<CSharpElementGroup<CSharpMethodDeclaration>>();
Set<String> processed = new THashSet<String>();
for(DotNetTypeDeclaration typeDeclaration : decls)
{
PsiElement wrappedDeclaration = ToNativeElementTransformers.transform(typeDeclaration);
if(typeDeclaration instanceof CSharpTypeDeclaration && typeDeclaration.hasModifier(CSharpModifier.PARTIAL))
{
String vmQName = typeDeclaration.getVmQName();
if(processed.contains(vmQName))
{
continue;
}
processed.add(vmQName);
}
CSharpResolveContext context = CSharpResolveContextUtil.createContext(DotNetGenericExtractor.EMPTY, myResolveScope, wrappedDeclaration);
CSharpElementGroup<CSharpMethodDeclaration> extensionMethodByName = context.findExtensionMethodGroupByName(name);
if(extensionMethodByName != null)
{
list.add(extensionMethodByName);
}
}
return new CSharpCompositeElementGroupImpl<CSharpMethodDeclaration>(myNamespaceAsElement.getProject(), list);
}
@RequiredReadAction
@Override
public boolean processExtensionMethodGroups(@NotNull final Processor<CSharpElementGroup<CSharpMethodDeclaration>> processor)
{
return processExtensionMethodGroups(myNamespaceAsElement.getPresentableQName(), myNamespaceAsElement.getProject(), myResolveScope, processor);
}
@RequiredReadAction
public static boolean processExtensionMethodGroups(@Nullable final String qName,
@NotNull final Project project,
@NotNull final GlobalSearchScope scope,
@NotNull final Processor<CSharpElementGroup<CSharpMethodDeclaration>> processor)
{
if(qName == null)
{
return true;
}
String indexableName = DotNetNamespaceStubUtil.getIndexableNamespace(qName);
CommonProcessors.CollectUniquesProcessor<DotNetTypeDeclaration> collect = new CommonProcessors.CollectUniquesProcessor<DotNetTypeDeclaration>();
StubIndex.getInstance().processElements(CSharpIndexKeys.TYPE_WITH_EXTENSION_METHODS_INDEX, indexableName, project, scope, DotNetTypeDeclaration.class, collect);
Set<String> processed = new THashSet<String>();
for(DotNetTypeDeclaration typeDeclaration : collect.getResults())
{
ProgressManager.checkCanceled();
PsiElement wrappedDeclaration = ToNativeElementTransformers.transform(typeDeclaration);
if(typeDeclaration instanceof CSharpTypeDeclaration && typeDeclaration.hasModifier(CSharpModifier.PARTIAL))
{
String vmQName = typeDeclaration.getVmQName();
if(processed.contains(vmQName))
{
return true;
}
processed.add(vmQName);
}
CSharpResolveContext context = CSharpResolveContextUtil.createContext(DotNetGenericExtractor.EMPTY, scope, wrappedDeclaration);
if(!context.processExtensionMethodGroups(processor))
{
return false;
}
}
return true;
}
@RequiredReadAction
@NotNull
@Override
public PsiElement[] findByName(@NotNull String name, boolean deep, @NotNull UserDataHolder holder)
{
DotNetNamespaceAsElement.ChildrenFilter filter = holder.getUserData(BaseDotNetNamespaceAsElement.FILTER);
if(filter == null)
{
filter = DotNetNamespaceAsElement.ChildrenFilter.NONE;
}
return myNamespaceAsElement.findChildren(name, myResolveScope, CSharpTransformer.INSTANCE, filter);
}
@RequiredReadAction
@Override
public boolean processElements(@NotNull Processor<PsiElement> processor, boolean deep)
{
DotNetNamespaceAsElement.ChildrenFilter filter = DotNetNamespaceAsElement.ChildrenFilter.ONLY_ELEMENTS;
if(StringUtil.isEmpty(myNamespaceAsElement.getPresentableQName()))
{
filter = DotNetNamespaceAsElement.ChildrenFilter.NONE;
}
PsiElement[] children = myNamespaceAsElement.getChildren(myResolveScope, CSharpTransformer.INSTANCE, filter);
children = CSharpCompositeTypeDeclaration.wrapPartialTypes(myResolveScope, myNamespaceAsElement.getProject(), children);
for(PsiElement element : children)
{
ProgressManager.checkCanceled();
if(!processor.process(element))
{
return false;
}
}
return true;
}
@NotNull
@Override
public PsiElement getElement()
{
return myNamespaceAsElement;
}
}