/*
* Copyright 2013-2016 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.unity3d.shaderlab.lang.psi;
import java.util.Collections;
import java.util.List;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import com.intellij.extapi.psi.PsiFileBase;
import com.intellij.openapi.fileTypes.FileType;
import com.intellij.psi.FileViewProvider;
import com.intellij.psi.stubs.StubElement;
import consulo.unity3d.shaderlab.lang.ShaderLabFileType;
import consulo.unity3d.shaderlab.lang.ShaderLabLanguage;
/**
* @author VISTALL
* @since 08.05.2015
*/
public class ShaderLabFile extends PsiFileBase
{
public ShaderLabFile(@NotNull FileViewProvider viewProvider)
{
super(viewProvider, ShaderLabLanguage.INSTANCE);
}
@Nullable
public ShaderDef getShaderDef()
{
StubElement<?> stub = getStub();
if(stub != null)
{
StubElement<ShaderDef> childStubByType = stub.findChildStubByType(ShaderLabStubElements.SHADER_DEF);
if(childStubByType != null)
{
return childStubByType.getPsi();
}
}
return findChildByClass(ShaderDef.class);
}
@NotNull
public List<ShaderProperty> getProperties()
{
ShaderDef shaderDef = getShaderDef();
return shaderDef == null ? Collections.<ShaderProperty>emptyList() : shaderDef.getProperties();
}
@NotNull
@Override
public FileType getFileType()
{
return ShaderLabFileType.INSTANCE;
}
}