1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef AAPT_FLATTEN_TABLEPROTOSERIALIZER_H 18 #define AAPT_FLATTEN_TABLEPROTOSERIALIZER_H 19 20 #include "android-base/macros.h" 21 #include "google/protobuf/io/coded_stream.h" 22 #include "google/protobuf/io/zero_copy_stream_impl_lite.h" 23 24 #include "Diagnostics.h" 25 #include "ResourceTable.h" 26 #include "Source.h" 27 #include "proto/ProtoHelpers.h" 28 29 namespace aapt { 30 31 class CompiledFileOutputStream { 32 public: 33 explicit CompiledFileOutputStream(google::protobuf::io::ZeroCopyOutputStream* out); 34 35 void WriteLittleEndian32(uint32_t value); 36 void WriteCompiledFile(const pb::internal::CompiledFile* compiledFile); 37 void WriteData(const BigBuffer* buffer); 38 void WriteData(const void* data, size_t len); 39 bool HadError(); 40 41 private: 42 DISALLOW_COPY_AND_ASSIGN(CompiledFileOutputStream); 43 44 void EnsureAlignedWrite(); 45 46 google::protobuf::io::CodedOutputStream out_; 47 }; 48 49 class CompiledFileInputStream { 50 public: 51 explicit CompiledFileInputStream(const void* data, size_t size); 52 53 bool ReadLittleEndian32(uint32_t* outVal); 54 bool ReadCompiledFile(pb::internal::CompiledFile* outVal); 55 bool ReadDataMetaData(uint64_t* outOffset, uint64_t* outLen); 56 57 private: 58 DISALLOW_COPY_AND_ASSIGN(CompiledFileInputStream); 59 60 void EnsureAlignedRead(); 61 62 google::protobuf::io::CodedInputStream in_; 63 }; 64 65 std::unique_ptr<pb::ResourceTable> SerializeTableToPb(ResourceTable* table); 66 std::unique_ptr<ResourceTable> DeserializeTableFromPb(const pb::ResourceTable& pbTable, 67 const Source& source, IDiagnostics* diag); 68 69 std::unique_ptr<pb::internal::CompiledFile> SerializeCompiledFileToPb(const ResourceFile& file); 70 std::unique_ptr<ResourceFile> DeserializeCompiledFileFromPb( 71 const pb::internal::CompiledFile& pbFile, const Source& source, IDiagnostics* diag); 72 73 } // namespace aapt 74 75 #endif /* AAPT_FLATTEN_TABLEPROTOSERIALIZER_H */ 76