plugins/gradle/src/org/jetbrains/plugins/gradle/service/resolve/GradleRootContributor.java

/*
 * Copyright 2000-2013 JetBrains s.r.o.
 *
 * 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 org.jetbrains.plugins.gradle.service.resolve;

import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.PsiElement;
import com.intellij.psi.ResolveState;
import com.intellij.psi.scope.PsiScopeProcessor;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.groovy.lang.psi.impl.GroovyPsiManager;

import java.util.List;
import java.util.Set;

import static org.jetbrains.plugins.gradle.service.resolve.GradleSourceSetsContributor.SOURCE_SETS;

/**
 * @author Denis Zhdanov
 * @since 8/14/13 1:03 PM
 */
public class GradleRootContributor implements GradleMethodContextContributor {

  private final GradleSourceSetsContributor mySourceSetsContributor;

  public GradleRootContributor(GradleSourceSetsContributor sourceSetsContributor) {
    mySourceSetsContributor = sourceSetsContributor;
  }

  private final static Set<String> BUILD_SCRIPT_BLOCKS = ContainerUtil.newHashSet(
    "subprojects",
    "allprojects",
    "beforeEvaluate",
    "afterEvaluate",
    SOURCE_SETS);

  @Override
  public void process(@NotNull List<String> methodCallInfo,
                      @NotNull PsiScopeProcessor processor,
                      @NotNull ResolveState state,
                      @NotNull PsiElement place) {
    if (methodCallInfo.size() > 2) {
      return;
    }

    if (methodCallInfo.size() == 2 && !BUILD_SCRIPT_BLOCKS.contains(methodCallInfo.get(1))) {
      return;
    }
    if (methodCallInfo.size() > 0) {
      String method = ContainerUtil.getLastItem(methodCallInfo);
      if (method != null && StringUtil.startsWith(method, SOURCE_SETS)) {
        mySourceSetsContributor.process(methodCallInfo, processor, state, place);
        return;
      }
    }

    GroovyPsiManager psiManager = GroovyPsiManager.getInstance(place.getProject());
    GradleResolverUtil.processDeclarations(psiManager, processor, state, place, GradleCommonClassNames.GRADLE_API_PROJECT);
  }
}