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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_IO_ZIPARCHIVE_H
#define AAPT_IO_ZIPARCHIVE_H
#include "io/File.h"
#include "util/StringPiece.h"
#include <map>
#include <ziparchive/zip_archive.h>
namespace aapt {
namespace io {
/**
* An IFile representing a file within a ZIP archive. If the file is compressed, it is uncompressed
* and copied into memory when opened. Otherwise it is mmapped from the ZIP archive.
*/
class ZipFile : public IFile {
public:
ZipFile(ZipArchiveHandle handle, const ZipEntry& entry, const Source& source);
std::unique_ptr<IData> openAsData() override;
const Source& getSource() const override;
private:
ZipArchiveHandle mZipHandle;
ZipEntry mZipEntry;
Source mSource;
};
class ZipFileCollection;
class ZipFileCollectionIterator : public IFileCollectionIterator {
public:
ZipFileCollectionIterator(ZipFileCollection* collection);
bool hasNext() override;
io::IFile* next() override;
private:
std::map<std::string, std::unique_ptr<IFile>>::const_iterator mCurrent, mEnd;
};
/**
* An IFileCollection that represents a ZIP archive and the entries within it.
*/
class ZipFileCollection : public IFileCollection {
public:
static std::unique_ptr<ZipFileCollection> create(const StringPiece& path,
std::string* outError);
io::IFile* findFile(const StringPiece& path) override;
std::unique_ptr<IFileCollectionIterator> iterator() override;
~ZipFileCollection() override;
private:
friend class ZipFileCollectionIterator;
ZipFileCollection();
ZipArchiveHandle mHandle;
std::map<std::string, std::unique_ptr<IFile>> mFiles;
};
} // namespace io
} // namespace aapt
#endif /* AAPT_IO_ZIPARCHIVE_H */
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