/*
* 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.additionalMembersImpl;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import org.jetbrains.annotations.NotNull;
import consulo.annotations.RequiredReadAction;
import consulo.csharp.lang.psi.CSharpMethodDeclaration;
import consulo.csharp.lang.psi.CSharpTokens;
import consulo.csharp.lang.psi.CSharpTypeDeclaration;
import consulo.csharp.lang.psi.impl.light.builder.CSharpLightConversionMethodDeclarationBuilder;
import consulo.csharp.lang.psi.impl.light.builder.CSharpLightLikeMethodDeclarationBuilder;
import consulo.csharp.lang.psi.impl.light.builder.CSharpLightParameterBuilder;
import consulo.csharp.lang.psi.impl.resolve.CSharpAdditionalMemberProvider;
import consulo.csharp.lang.psi.impl.source.resolve.type.CSharpLambdaTypeRef;
import consulo.csharp.lang.psi.impl.source.resolve.type.CSharpStaticTypeRef;
import consulo.csharp.lang.psi.impl.source.resolve.type.CSharpTypeRefByQName;
import consulo.csharp.lang.psi.impl.source.resolve.type.CSharpTypeRefByTypeDeclaration;
import consulo.csharp.lang.psi.impl.source.resolve.util.CSharpResolveUtil;
import consulo.dotnet.DotNetTypes;
import consulo.dotnet.psi.DotNetElement;
import consulo.dotnet.psi.DotNetGenericParameter;
import consulo.dotnet.psi.DotNetTypeDeclaration;
import consulo.dotnet.resolve.DotNetGenericExtractor;
import consulo.dotnet.resolve.DotNetTypeRef;
import consulo.dotnet.resolve.DotNetTypeResolveResult;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiElement;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.util.Consumer;
import com.intellij.util.containers.ContainerUtil;
/**
* @author VISTALL
* @since 07.03.2016
*/
public class ConversionMethodsProvider implements CSharpAdditionalMemberProvider
{
@RequiredReadAction
@Override
public void processAdditionalMembers(@NotNull DotNetElement element, @NotNull DotNetGenericExtractor extractor, @NotNull Consumer<PsiElement> consumer)
{
if(element instanceof CSharpTypeDeclaration)
{
Project project = element.getProject();
GlobalSearchScope resolveScope = element.getResolveScope();
CSharpTypeDeclaration typeDeclaration = (CSharpTypeDeclaration) element;
CSharpMethodDeclaration methodDeclaration = typeDeclaration.getUserData(CSharpResolveUtil.DELEGATE_METHOD_TYPE);
DotNetTypeRef selfTypeRef;
if(methodDeclaration != null)
{
selfTypeRef = new CSharpLambdaTypeRef(element, methodDeclaration, extractor);
}
else
{
selfTypeRef = new CSharpTypeRefByTypeDeclaration(typeDeclaration, extractor);
}
buildConversionMethods(project, resolveScope, selfTypeRef, element, OperatorStubsLoader.INSTANCE.myTypeOperators.get(typeDeclaration.getVmQName()), consumer);
if(typeDeclaration.isEnum())
{
buildConversionMethods(project, resolveScope, selfTypeRef, element, OperatorStubsLoader.INSTANCE.myEnumOperators, consumer);
}
if(DotNetTypes.System.Nullable$1.equals(typeDeclaration.getVmQName()))
{
buildNullableConversionMethods(project, selfTypeRef, resolveScope, typeDeclaration, extractor, consumer);
}
}
}
@NotNull
@Override
public Target getTarget()
{
return Target.CONVERSION_METHOD;
}
@NotNull
@RequiredReadAction
private DotNetElement[] buildNullableConversionMethods(Project project,
@NotNull DotNetTypeRef selfTypeRef,
GlobalSearchScope resolveScope,
@NotNull CSharpTypeDeclaration typeDeclaration,
@NotNull DotNetGenericExtractor extractor,
@NotNull Consumer<PsiElement> consumer)
{
DotNetGenericParameter[] genericParameters = typeDeclaration.getGenericParameters();
if(genericParameters.length == 0)
{
return DotNetElement.EMPTY_ARRAY;
}
DotNetGenericParameter genericParameter = genericParameters[0];
DotNetTypeRef extract = extractor.extract(genericParameter);
if(extract == null)
{
return DotNetElement.EMPTY_ARRAY;
}
DotNetTypeResolveResult typeResolveResult = extract.resolve();
PsiElement typeResolveResultElement = typeResolveResult.getElement();
if(!(typeResolveResultElement instanceof DotNetTypeDeclaration))
{
return DotNetElement.EMPTY_ARRAY;
}
List<DotNetElement> elements = new ArrayList<DotNetElement>();
DotNetTypeDeclaration forAddOperatorsElement = (DotNetTypeDeclaration) typeResolveResultElement;
buildConversionMethods(project, resolveScope, selfTypeRef, forAddOperatorsElement, OperatorStubsLoader.INSTANCE.myTypeOperators.get(forAddOperatorsElement.getVmQName()), consumer);
if(forAddOperatorsElement.isEnum())
{
buildConversionMethods(project, resolveScope, selfTypeRef, forAddOperatorsElement, OperatorStubsLoader.INSTANCE.myEnumOperators, consumer);
}
return ContainerUtil.toArray(elements, DotNetElement.ARRAY_FACTORY);
}
private static void buildConversionMethods(@NotNull Project project,
GlobalSearchScope resolveScope,
@NotNull DotNetTypeRef selfTypeRef,
@NotNull DotNetElement parent,
@NotNull Collection<OperatorStubsLoader.Operator> operators,
@NotNull Consumer<PsiElement> consumer)
{
if(operators.isEmpty())
{
return;
}
for(OperatorStubsLoader.Operator operator : operators)
{
if(operator.myOperatorToken == CSharpTokens.IMPLICIT_KEYWORD || operator.myOperatorToken == CSharpTokens.EXPLICIT_KEYWORD)
{
CSharpStaticTypeRef staticTypeRef = CSharpStaticTypeRef.IMPLICIT;
if(operator.myOperatorToken == CSharpTokens.EXPLICIT_KEYWORD)
{
staticTypeRef = CSharpStaticTypeRef.EXPLICIT;
}
CSharpLightLikeMethodDeclarationBuilder builder = new CSharpLightConversionMethodDeclarationBuilder(project, staticTypeRef);
builder.withParent(parent);
builder.withReturnType(operator.myReturnTypeRef == null ? selfTypeRef : new CSharpTypeRefByQName(project, resolveScope, operator.myReturnTypeRef));
int i = 0;
for(OperatorStubsLoader.Operator.Parameter parameter : operator.myParameterTypes)
{
CSharpLightParameterBuilder parameterBuilder = new CSharpLightParameterBuilder(project);
parameterBuilder.withName("p" + i);
parameterBuilder.withTypeRef(parameter.myTypeRef == null ? selfTypeRef : new CSharpTypeRefByQName(project, resolveScope, parameter.myTypeRef));
builder.addParameter(parameterBuilder);
i++;
}
consumer.consume(builder);
}
}
}
}