mirror of
https://github.com/FirebirdSQL/firebird.git
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87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
/*
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* The contents of this file are subject to the Initial
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* Developer's Public License Version 1.0 (the "License");
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* you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
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*
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* Software distributed under the License is distributed AS IS,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied.
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* See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Original Code was created by Dmitry Yemanov
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* for the Firebird Open Source RDBMS project.
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*
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* Copyright (c) 2006 Dmitry Yemanov <dimitr@users.sf.net>
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* and all contributors signed below.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#ifndef CLASSES_TEMP_FILE_H
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#define CLASSES_TEMP_FILE_H
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#include "firebird.h"
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#include "../common/classes/fb_string.h"
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#include "../common/classes/File.h"
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class TempFile : public Firebird::File
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{
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public:
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TempFile(MemoryPool& pool,
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const Firebird::PathName& prefix,
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const Firebird::PathName& directory,
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bool do_unlink = true)
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: filename(pool), position(0), size(0), doUnlink(do_unlink)
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{
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init(directory, prefix);
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}
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TempFile(const Firebird::PathName& prefix, bool do_unlink = true)
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: position(0), size(0), doUnlink(do_unlink)
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{
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init("", prefix);
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}
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virtual ~TempFile();
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size_t read(offset_t, void*, size_t);
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size_t write(offset_t, const void*, size_t);
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void unlink();
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offset_t getSize() const
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{
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return size;
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}
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void extend(size_t);
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const Firebird::PathName& getName() const
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{
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return filename;
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}
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static Firebird::PathName getTempPath();
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static Firebird::PathName create(const Firebird::PathName&);
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private:
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void init(const Firebird::PathName&, const Firebird::PathName&);
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void seek(const offset_t);
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#if defined(WIN_NT)
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HANDLE handle;
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#else
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int handle;
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#endif
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Firebird::PathName filename;
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offset_t position;
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offset_t size;
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bool doUnlink;
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};
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#endif // CLASSES_TEMP_FILE_H
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