mirror of
https://github.com/FirebirdSQL/firebird.git
synced 2025-01-30 19:23:03 +01:00
89 lines
2.0 KiB
C++
89 lines
2.0 KiB
C++
/*
|
|
* The contents of this file are subject to the Initial
|
|
* Developer's Public License Version 1.0 (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.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
|
|
*
|
|
* Software distributed under the License is distributed AS IS,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing rights
|
|
* and limitations under the License.
|
|
*
|
|
* The Original Code was created by Dmitry Yemanov
|
|
* for the Firebird Open Source RDBMS project.
|
|
*
|
|
* Copyright (c) 2006 Dmitry Yemanov <dimitr@users.sf.net>
|
|
* and all contributors signed below.
|
|
*
|
|
* All Rights Reserved.
|
|
* Contributor(s): ______________________________________.
|
|
*/
|
|
|
|
#ifndef CLASSES_TEMP_FILE_H
|
|
#define CLASSES_TEMP_FILE_H
|
|
|
|
#include "firebird.h"
|
|
#include "../common/classes/fb_string.h"
|
|
#include "../common/classes/File.h"
|
|
|
|
namespace Firebird {
|
|
|
|
class TempFile : public File
|
|
{
|
|
public:
|
|
TempFile(MemoryPool& pool, const PathName& prefix, const PathName& directory,
|
|
bool do_unlink = true)
|
|
: filename(pool), position(0), size(0), doUnlink(do_unlink)
|
|
{
|
|
init(directory, prefix);
|
|
}
|
|
|
|
TempFile(const PathName& prefix, bool do_unlink = true)
|
|
: position(0), size(0), doUnlink(do_unlink)
|
|
{
|
|
init("", prefix);
|
|
}
|
|
|
|
virtual ~TempFile();
|
|
|
|
size_t read(offset_t, void*, size_t);
|
|
size_t write(offset_t, const void*, size_t);
|
|
|
|
void unlink();
|
|
|
|
offset_t getSize() const
|
|
{
|
|
return size;
|
|
}
|
|
|
|
void extend(size_t);
|
|
|
|
const PathName& getName() const
|
|
{
|
|
return filename;
|
|
}
|
|
|
|
static PathName getTempPath();
|
|
static PathName create(const PathName& prefix, const PathName& directory = "");
|
|
|
|
private:
|
|
void init(const PathName&, const PathName&);
|
|
void seek(const offset_t);
|
|
|
|
#if defined(WIN_NT)
|
|
HANDLE handle;
|
|
#else
|
|
int handle;
|
|
#endif
|
|
|
|
PathName filename;
|
|
offset_t position;
|
|
offset_t size;
|
|
bool doUnlink;
|
|
};
|
|
|
|
} // namespace Firebird
|
|
|
|
#endif // CLASSES_TEMP_FILE_H
|