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82 lines
2.7 KiB
82 lines
2.7 KiB
/*
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* Copyright (C) 2015 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_ARCHIVE_H
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#define AAPT_FORMAT_ARCHIVE_H
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#include <fstream>
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#include <memory>
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#include <string>
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#include <vector>
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#include "androidfw/StringPiece.h"
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#include "google/protobuf/io/zero_copy_stream_impl_lite.h"
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#include "Diagnostics.h"
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#include "io/Io.h"
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#include "util/BigBuffer.h"
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#include "util/Files.h"
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namespace aapt {
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struct ArchiveEntry {
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enum : uint32_t {
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kCompress = 0x01,
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kAlign = 0x02,
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};
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std::string path;
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uint32_t flags;
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size_t uncompressed_size;
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};
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class IArchiveWriter : public ::google::protobuf::io::CopyingOutputStream {
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public:
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virtual ~IArchiveWriter() = default;
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virtual bool WriteFile(const android::StringPiece& path, uint32_t flags, io::InputStream* in) = 0;
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// Starts a new entry and allows caller to write bytes to it sequentially.
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// Only use StartEntry if code you do not control needs to write to a CopyingOutputStream.
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// Prefer WriteFile instead of manually calling StartEntry/FinishEntry.
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virtual bool StartEntry(const android::StringPiece& path, uint32_t flags) = 0;
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// Called to finish writing an entry previously started by StartEntry.
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// Prefer WriteFile instead of manually calling StartEntry/FinishEntry.
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virtual bool FinishEntry() = 0;
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// CopyingOutputStream implementation that allows sequential writes to this archive. Only
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// valid between calls to StartEntry and FinishEntry.
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virtual bool Write(const void* buffer, int size) = 0;
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// Returns true if there was an error writing to the archive.
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// The resulting error message can be retrieved from GetError().
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virtual bool HadError() const = 0;
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// Returns the error message if HadError() returns true.
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virtual std::string GetError() const = 0;
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};
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std::unique_ptr<IArchiveWriter> CreateDirectoryArchiveWriter(IDiagnostics* diag,
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const android::StringPiece& path);
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std::unique_ptr<IArchiveWriter> CreateZipFileArchiveWriter(IDiagnostics* diag,
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const android::StringPiece& path);
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} // namespace aapt
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#endif /* AAPT_FORMAT_ARCHIVE_H */
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