/*
* 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.parser.roles;
import org.jetbrains.annotations.NotNull;
import com.intellij.lang.PsiBuilder;
import consulo.unity3d.shaderlab.lang.parser.ShaderLabParserBuilder;
import consulo.unity3d.shaderlab.lang.psi.ShaderLabElements;
/**
* @author VISTALL
* @since 09.05.2015
*/
public class ShaderLabPairRole extends ShaderLabValueRole
{
private ShaderLabRole myFirstRole;
private ShaderLabRole mySecondRole;
public ShaderLabPairRole(ShaderLabRole firstRole, ShaderLabRole secondRole)
{
myFirstRole = firstRole;
mySecondRole = secondRole;
}
@Override
public PsiBuilder.Marker parseAndDone(ShaderLabParserBuilder builder, @NotNull PsiBuilder.Marker mark)
{
if(myFirstRole.parseAndDone(builder, builder.mark()) != null)
{
PsiBuilder.Marker secondMark = builder.mark();
if(mySecondRole.parseAndDone(builder, secondMark) == null)
{
secondMark.error("Expected second value");
}
}
mark.done(ShaderLabElements.PAIR_VALUE);
return mark;
}
@Override
public boolean isMyValue(@NotNull ShaderLabParserBuilder builder)
{
return myFirstRole instanceof ShaderLabValueRole && ((ShaderLabValueRole) myFirstRole).isMyValue(builder);
}
}