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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_FLATTEN_TABLEFLATTENER_H
#define AAPT_FLATTEN_TABLEFLATTENER_H
#include "android-base/macros.h"
#include "ResourceTable.h"
#include "process/IResourceTableConsumer.h"
#include "util/BigBuffer.h"
namespace aapt {
// The percentage of used entries for a type for which using a sparse encoding is
// preferred.
constexpr const size_t kSparseEncodingThreshold = 60;
struct TableFlattenerOptions {
// When true, types for configurations with a sparse set of entries are encoded
// as a sparse map of entry ID and offset to actual data.
// This is only available on platforms O+ and will only be respected when
// minSdk is O+.
bool use_sparse_entries = false;
};
class TableFlattener : public IResourceTableConsumer {
public:
explicit TableFlattener(const TableFlattenerOptions& options, BigBuffer* buffer)
: options_(options), buffer_(buffer) {}
bool Consume(IAaptContext* context, ResourceTable* table) override;
private:
DISALLOW_COPY_AND_ASSIGN(TableFlattener);
TableFlattenerOptions options_;
BigBuffer* buffer_;
};
} // namespace aapt
#endif /* AAPT_FLATTEN_TABLEFLATTENER_H */