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/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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.
*/
#ifndef AAPT_RESOURCE_TABLE_RESOLVER_H
#define AAPT_RESOURCE_TABLE_RESOLVER_H
#include "Maybe.h"
#include "Resolver.h"
#include "Resource.h"
#include "ResourceTable.h"
#include "ResourceValues.h"
#include <androidfw/AssetManager.h>
#include <memory>
#include <vector>
#include <unordered_set>
namespace aapt {
/**
* Encapsulates the search of library sources as well as the local ResourceTable.
*/
class ResourceTableResolver : public IResolver {
public:
/**
* Creates a resolver with a local ResourceTable and an AssetManager
* loaded with library packages.
*/
ResourceTableResolver(
std::shared_ptr<const ResourceTable> table,
const std::vector<std::shared_ptr<const android::AssetManager>>& sources);
ResourceTableResolver(const ResourceTableResolver&) = delete; // Not copyable.
virtual Maybe<ResourceId> findId(const ResourceName& name) override;
virtual Maybe<Entry> findAttribute(const ResourceName& name) override;
virtual Maybe<ResourceName> findName(ResourceId resId) override;
private:
struct CacheEntry {
ResourceId id;
std::unique_ptr<Attribute> attr;
};
const CacheEntry* buildCacheEntry(const ResourceName& name);
std::shared_ptr<const ResourceTable> mTable;
std::vector<std::shared_ptr<const android::AssetManager>> mSources;
std::map<ResourceName, CacheEntry> mCache;
std::unordered_set<std::u16string> mIncludedPackages;
};
} // namespace aapt
#endif // AAPT_RESOURCE_TABLE_RESOLVER_H
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