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https://github.com/VCMP-SqMod/SqMod.git
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4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
110 lines
3.0 KiB
C++
110 lines
3.0 KiB
C++
//
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// ZipManipulator.h
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//
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// Library: Zip
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// Package: Manipulation
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// Module: ZipManipulator
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//
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// Definition of the ZipManipulator class.
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//
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// Copyright (c) 2007, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#ifndef Zip_ZipManipulator_INCLUDED
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#define Zip_ZipManipulator_INCLUDED
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#include "Poco/Zip/Zip.h"
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#include "Poco/Zip/ZipArchive.h"
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#include "Poco/Zip/ZipCommon.h"
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#include "Poco/Zip/ZipOperation.h"
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#include "Poco/FIFOEvent.h"
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#include "Poco/SharedPtr.h"
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#include <map>
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namespace Poco {
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namespace Zip {
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class ZipArchive;
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class Zip_API ZipManipulator
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/// ZipManipulator allows to add/remove/update files inside zip files
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{
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public:
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Poco::FIFOEvent<const ZipLocalFileHeader> EDone;
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// Fired for each entry once commit is invoked
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ZipManipulator(const std::string& zipFile, bool backupOriginalFile);
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/// Creates the ZipManipulator.
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virtual ~ZipManipulator();
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/// Destroys the ZipManipulator.
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void deleteFile(const std::string& zipPath);
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/// Removes the given file from the Zip archive.
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void replaceFile(const std::string& zipPath, const std::string& localPath);
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/// Replaces the contents of the file in the archive with the contents
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/// from the file given by localPath.
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void renameFile(const std::string& zipPath, const std::string& newZipPath);
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/// Renames the file in the archive to newZipPath
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void addFile(const std::string& zipPath, const std::string& localPath, ZipCommon::CompressionMethod cm = ZipCommon::CM_DEFLATE, ZipCommon::CompressionLevel cl = ZipCommon::CL_MAXIMUM);
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/// Adds a file to the zip file.
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ZipArchive commit();
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/// Commits all changes and re-creates the Zip File with the changes applied.
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/// Returns the ZipArchive for the newly created archive
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///
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/// Changes will be first written to a temporary file,
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/// then the originalfile will be either deleted or renamed to .bak,
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/// then, the temp file will be renamed to the original zip file name.
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const ZipArchive& originalArchive() const;
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/// Returns the original archive information
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private:
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const ZipLocalFileHeader& getForChange(const std::string& zipPath) const;
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/// Searches for the entry given by the zipPath.
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/// Throws an exception if the entry does not exist
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/// or if an entry already exists in the Changeslist
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void addOperation(const std::string& zipPath, ZipOperation::Ptr ptrOp);
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/// Adds the operation to the changes list. Throws an exception if an
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/// entry for the zipPath already exists
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void onEDone(const void* pSender, const ZipLocalFileHeader& hdr);
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/// Forwards the event to the EDone event
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ZipArchive compress(const std::string& outFile);
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/// Compresses the new file to outFile
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private:
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using Changes = std::map<std::string, ZipOperation::Ptr>;
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const std::string _zipFile;
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bool _backupOriginalFile;
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Changes _changes;
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Poco::SharedPtr<ZipArchive> _in;
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};
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inline const ZipArchive& ZipManipulator::originalArchive() const
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{
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return *_in;
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}
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} } // namespace Poco::Zip
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#endif // Zip_ZipManipulator_INCLUDED
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