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// ZipManipulator.h
//
// Library: Zip
// Package: Manipulation
// Module: ZipManipulator
//
// Definition of the ZipManipulator class.
//
// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Zip_ZipManipulator_INCLUDED
#define Zip_ZipManipulator_INCLUDED
#include "Poco/Zip/Zip.h"
#include "Poco/Zip/ZipArchive.h"
#include "Poco/Zip/ZipCommon.h"
#include "Poco/Zip/ZipOperation.h"
#include "Poco/FIFOEvent.h"
#include "Poco/SharedPtr.h"
#include <map>
namespace Poco {
namespace Zip {
class ZipArchive;
class Zip_API ZipManipulator
/// ZipManipulator allows to add/remove/update files inside zip files
{
public:
Poco::FIFOEvent<const ZipLocalFileHeader> EDone;
// Fired for each entry once commit is invoked
ZipManipulator(const std::string& zipFile, bool backupOriginalFile);
/// Creates the ZipManipulator.
virtual ~ZipManipulator();
/// Destroys the ZipManipulator.
void deleteFile(const std::string& zipPath);
/// Removes the given file from the Zip archive.
void replaceFile(const std::string& zipPath, const std::string& localPath);
/// Replaces the contents of the file in the archive with the contents
/// from the file given by localPath.
void renameFile(const std::string& zipPath, const std::string& newZipPath);
/// Renames the file in the archive to newZipPath
void addFile(const std::string& zipPath, const std::string& localPath, ZipCommon::CompressionMethod cm = ZipCommon::CM_DEFLATE, ZipCommon::CompressionLevel cl = ZipCommon::CL_MAXIMUM);
/// Adds a file to the zip file.
ZipArchive commit();
/// Commits all changes and re-creates the Zip File with the changes applied.
/// Returns the ZipArchive for the newly created archive
///
/// Changes will be first written to a temporary file,
/// then the originalfile will be either deleted or renamed to .bak,
/// then, the temp file will be renamed to the original zip file name.
const ZipArchive& originalArchive() const;
/// Returns the original archive information
private:
const ZipLocalFileHeader& getForChange(const std::string& zipPath) const;
/// Searches for the entry given by the zipPath.
/// Throws an exception if the entry does not exist
/// or if an entry already exists in the Changeslist
void addOperation(const std::string& zipPath, ZipOperation::Ptr ptrOp);
/// Adds the operation to the changes list. Throws an exception if an
/// entry for the zipPath already exists
void onEDone(const void* pSender, const ZipLocalFileHeader& hdr);
/// Forwards the event to the EDone event
ZipArchive compress(const std::string& outFile);
/// Compresses the new file to outFile
private:
typedef std::map<std::string, ZipOperation::Ptr> Changes;
const std::string _zipFile;
bool _backupOriginalFile;
Changes _changes;
Poco::SharedPtr<ZipArchive> _in;
};
inline const ZipArchive& ZipManipulator::originalArchive() const
{
return *_in;
}
} } // namespace Poco::Zip
#endif // Zip_ZipManipulator_INCLUDED
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