tools/aapt2/proto/ProtoDeserialize.h

/*
 * Copyright (C) 2017 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_PROTO_PROTODESERIALIZE_H
#define AAPT_PROTO_PROTODESERIALIZE_H

#include "android-base/macros.h"
#include "androidfw/ResourceTypes.h"
#include "google/protobuf/io/coded_stream.h"

#include "ConfigDescription.h"
#include "Configuration.pb.h"
#include "ResourceTable.h"
#include "ResourceValues.h"
#include "Resources.pb.h"
#include "ResourcesInternal.pb.h"
#include "StringPool.h"
#include "xml/XmlDom.h"

namespace aapt {

std::unique_ptr<Value> DeserializeValueFromPb(const pb::Value& pb_value,
                                              const android::ResStringPool& src_pool,
                                              const ConfigDescription& config,
                                              StringPool* value_pool, std::string* out_error);

std::unique_ptr<Item> DeserializeItemFromPb(const pb::Item& pb_item,
                                            const android::ResStringPool& src_pool,
                                            const ConfigDescription& config, StringPool* value_pool,
                                            std::string* out_error);

std::unique_ptr<xml::XmlResource> DeserializeXmlResourceFromPb(const pb::XmlNode& pb_node,
                                                               std::string* out_error);

bool DeserializeXmlFromPb(const pb::XmlNode& pb_node, xml::Element* out_el, StringPool* value_pool,
                          std::string* out_error);

bool DeserializeConfigFromPb(const pb::Configuration& pb_config, ConfigDescription* out_config,
                             std::string* out_error);

bool DeserializeTableFromPb(const pb::ResourceTable& pb_table, ResourceTable* out_table,
                            std::string* out_error);

bool DeserializeCompiledFileFromPb(const pb::internal::CompiledFile& pb_file,
                                   ResourceFile* out_file, std::string* out_error);

class CompiledFileInputStream {
 public:
  explicit CompiledFileInputStream(const void* data, size_t size);

  bool ReadLittleEndian32(uint32_t* outVal);
  bool ReadCompiledFile(pb::internal::CompiledFile* outVal);
  bool ReadDataMetaData(uint64_t* outOffset, uint64_t* outLen);

 private:
  DISALLOW_COPY_AND_ASSIGN(CompiledFileInputStream);

  void EnsureAlignedRead();

  ::google::protobuf::io::CodedInputStream in_;
};

}  // namespace aapt

#endif /* AAPT_PROTO_PROTODESERIALIZE_H */