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132 lines
4.4 KiB
C++
132 lines
4.4 KiB
C++
//
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// ZipManipulator.h
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//
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// $Id: //poco/1.4/Zip/include/Poco/Zip/ZipManipulator.h#1 $
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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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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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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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typedef std::map<std::string, ZipOperation::Ptr> Changes;
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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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