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107 lines
2.7 KiB
107 lines
2.7 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef AAPT_FORMAT_CONTAINER_H
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#define AAPT_FORMAT_CONTAINER_H
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#include <inttypes.h>
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#include "google/protobuf/io/coded_stream.h"
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#include "google/protobuf/io/zero_copy_stream.h"
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#include "Resources.pb.h"
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#include "ResourcesInternal.pb.h"
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#include "io/Io.h"
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#include "io/Util.h"
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#include "util/BigBuffer.h"
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namespace aapt {
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enum ContainerEntryType : uint8_t {
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kResTable = 0x00u,
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kResFile = 0x01u,
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};
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class ContainerWriter {
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public:
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explicit ContainerWriter(::google::protobuf::io::ZeroCopyOutputStream* out, size_t entry_count);
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bool AddResTableEntry(const pb::ResourceTable& table);
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bool AddResFileEntry(const pb::internal::CompiledFile& file, io::KnownSizeInputStream* in);
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bool HadError() const;
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std::string GetError() const;
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private:
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DISALLOW_COPY_AND_ASSIGN(ContainerWriter);
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::google::protobuf::io::ZeroCopyOutputStream* out_;
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size_t total_entry_count_;
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size_t current_entry_count_;
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std::string error_;
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};
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class ContainerReader;
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class ContainerReaderEntry {
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public:
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ContainerEntryType Type() const;
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bool GetResTable(pb::ResourceTable* out_table);
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bool GetResFileOffsets(pb::internal::CompiledFile* out_file, off64_t* out_offset,
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size_t* out_len);
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bool HadError() const;
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std::string GetError() const;
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private:
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DISALLOW_COPY_AND_ASSIGN(ContainerReaderEntry);
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friend class ContainerReader;
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explicit ContainerReaderEntry(ContainerReader* reader);
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ContainerReader* reader_;
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ContainerEntryType type_ = ContainerEntryType::kResTable;
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size_t length_ = 0u;
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};
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class ContainerReader {
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public:
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explicit ContainerReader(io::InputStream* in);
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ContainerReaderEntry* Next();
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bool HadError() const;
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std::string GetError() const;
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private:
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DISALLOW_COPY_AND_ASSIGN(ContainerReader);
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friend class ContainerReaderEntry;
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io::InputStream* in_;
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io::ZeroCopyInputAdaptor adaptor_;
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::google::protobuf::io::CodedInputStream coded_in_;
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size_t total_entry_count_;
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size_t current_entry_count_;
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ContainerReaderEntry entry_;
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std::string error_;
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};
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} // namespace aapt
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#endif /* AAPT_FORMAT_CONTAINER_H */
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