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/*
* Copyright 2013-present Facebook, Inc.
*
* 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 com.facebook.buck.apple.xcode.xcodeproj;
import com.facebook.buck.apple.xcode.XcodeprojSerializer;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import com.google.common.collect.Lists;
import com.google.common.base.Preconditions;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import javax.annotation.Nullable;
/**
* A collection of files in Xcode's virtual filesystem hierarchy.
*/
public class PBXGroup extends PBXReference {
/**
* Method by which group contents will be sorted.
*/
public enum SortPolicy {
/**
* By name, in default Java sort order.
*/
BY_NAME,
/**
* Group contents will not be sorted, and will remain in the
* order they were added.
*/
UNSORTED;
}
// Unfortunately, we can't determine this at constructor time, because CacheBuilder
// calls our constructor and it's not easy to pass arguments to it.
private SortPolicy sortPolicy;
private final List<PBXReference> children;
private final LoadingCache<String, PBXGroup> childGroupsByName;
private final LoadingCache<String, PBXVariantGroup> childVariantGroupsByName;
private final LoadingCache<SourceTreePath, PBXFileReference> fileReferencesBySourceTreePath;
private final LoadingCache<SourceTreePath, XCVersionGroup> childVersionGroupsBySourceTreePath;
public PBXGroup(String name, @Nullable String path, SourceTree sourceTree) {
super(name, path, sourceTree);
sortPolicy = SortPolicy.BY_NAME;
children = Lists.newArrayList();
childGroupsByName = CacheBuilder.newBuilder().build(
new CacheLoader<String, PBXGroup>() {
@Override
public PBXGroup load(String key) throws Exception {
PBXGroup group = new PBXGroup(key, null, SourceTree.GROUP);
children.add(group);
return group;
}
});
childVariantGroupsByName = CacheBuilder.newBuilder().build(
new CacheLoader<String, PBXVariantGroup>() {
@Override
public PBXVariantGroup load(String key) throws Exception {
PBXVariantGroup group = new PBXVariantGroup(key, null, SourceTree.GROUP);
children.add(group);
return group;
}
});
fileReferencesBySourceTreePath = CacheBuilder.newBuilder().build(
new CacheLoader<SourceTreePath, PBXFileReference>() {
@Override
public PBXFileReference load(SourceTreePath key) throws Exception {
PBXFileReference ref = new PBXFileReference(
key.getPath().getFileName().toString(),
key.getPath().toString(),
key.getSourceTree());
children.add(ref);
return ref;
}
});
childVersionGroupsBySourceTreePath = CacheBuilder.newBuilder().build(
new CacheLoader<SourceTreePath, XCVersionGroup>() {
@Override
public XCVersionGroup load(SourceTreePath key) throws Exception {
XCVersionGroup ref = new XCVersionGroup(
key.getPath().getFileName().toString(),
key.getPath().toString(),
key.getSourceTree());
children.add(ref);
return ref;
}
});
}
public PBXGroup getOrCreateChildGroupByName(String name) {
return childGroupsByName.getUnchecked(name);
}
public PBXVariantGroup getOrCreateChildVariantGroupByName(String name) {
return childVariantGroupsByName.getUnchecked(name);
}
public PBXFileReference getOrCreateFileReferenceBySourceTreePath(SourceTreePath sourceTreePath) {
return fileReferencesBySourceTreePath.getUnchecked(sourceTreePath);
}
public XCVersionGroup getOrCreateChildVersionGroupsBySourceTreePath(
SourceTreePath sourceTreePath) {
return childVersionGroupsBySourceTreePath.getUnchecked(sourceTreePath);
}
public List<PBXReference> getChildren() {
return children;
}
public void setSortPolicy(SortPolicy sortPolicy) {
this.sortPolicy = Preconditions.checkNotNull(sortPolicy);
}
public SortPolicy getSortPolicy() {
return sortPolicy;
}
@Override
public String isa() {
return "PBXGroup";
}
@Override
public void serializeInto(XcodeprojSerializer s) {
super.serializeInto(s);
if (sortPolicy == SortPolicy.BY_NAME) {
Collections.sort(children, new Comparator<PBXReference>() {
@Override
public int compare(PBXReference o1, PBXReference o2) {
return o1.getName().compareTo(o2.getName());
}
});
}
s.addField("children", children);
}
}
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