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/* POLE - Portable library to access OLE Storage
Copyright (C) 2002-2003 Ariya Hidayat <ariya@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA
*/
#ifndef POLE_H
#define POLE_H
#include <string>
#include <list>
namespace POLE
{
class StorageIO;
class Stream;
class Storage
{
public:
enum { Ok, OpenFailed, NotOLE, BadOLE, UnknownError,
StupidWorkaroundForBrokenCompiler=255 };
enum { ReadOnly, WriteOnly, ReadWrite };
Storage();
~Storage();
/**
* Opens the specified file, using the mode m.
*
* @return true if succesful, otherwise false.
*/
bool open( const char* filename, int m = ReadOnly );
/**
* Flushes the buffer to the disk.
*/
void flush();
/**
* Closes the storage.
*
* If it was opened using WriteOnly or ReadWrite, this function
* also flushes the buffer.
*/
void close();
std::list<std::string> listDirectory();
bool enterDirectory( const std::string& directory );
void leaveDirectory();
std::string path();
/**
* Creates an input/output stream for specified name. You should
* delete the stream because it is not owned by the storage.
*
* If name does not exist or is a directory, this function
* will return null.
*/
Stream* stream( const std::string& name );
int result;
protected:
StorageIO* io;
private:
// no copy or assign
Storage( const Storage& );
Storage& operator=( const Storage& );
};
class StreamIO;
class Stream
{
public:
Stream( StreamIO* io );
~Stream();
unsigned long size();
unsigned long tell();
void seek( unsigned long pos );
int getch();
unsigned long read( unsigned char* data, unsigned long maxlen );
private:
StreamIO* io;
// no copy or assign
Stream( const Stream& );
Stream& operator=( const Stream& );
};
}
#endif // POLE_H
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