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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: swgstr.hxx,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _SWGSTR_HXX
#define _SWGSTR_HXX
#include <tools/stream.hxx>
typedef long long3; // Zur Dokumentation: 3-byte-Longs
#define MAX_BEGIN 64 // Maximale Blockschachtelung
#define PASSWDLEN 16 // Maximale Passwortlaenge
// Neue Version mit SvStreams
// Passwort- und Codierungs-Funktionalitaet
class swcrypter {
protected:
sal_Char cPasswd[ PASSWDLEN ]; // Passwort-Puffer
BOOL bPasswd; // TRUE wenn mit Passwort
void encode( sal_Char*, USHORT ); // Puffer codieren/decodieren
public:
swcrypter();
BOOL setpasswd( const String& ); // Passwort setzen
void copypasswd( const sal_Char* ); // Passwort direkt setzen
const sal_Char* getpasswd() { return cPasswd; }
};
// Reader/Writer-Stream-Basisklasse mit Pufferverwaltung fuer Texte
// und Spezial-I/O fuer 3-Byte-Longs
class swstreambase : public swcrypter {
protected:
SvStream* pStrm; // eigentlicher Stream
sal_Char* pBuf; // Zwischenpuffer
USHORT nBuflen; // Laenge des Zwischenpuffers
short nLong; // Long-Laenge (3 oder 4)
BOOL bTempStrm; // TRUE: Stream loeschen
void checkbuf( USHORT ); // Testen der Pufferlaenge
swstreambase( SvStream& );
swstreambase( const swstreambase& );
int operator=( const swstreambase& );
public:
~swstreambase();
SvStream& Strm() { return *pStrm; }
void clear(); // Puffer loeschen
// Zusatzfunktionen zur I/O von LONGs als 3-Byte-Zahlen
void long3() { nLong = 3; }
void long4() { nLong = 4; }
// Alias- und Hilfsfunktionen
void seek( long nPos ) { pStrm->Seek( nPos ); }
long tell() { return pStrm->Tell(); }
long filesize(); // Dateigroesse
void setbad();
int good() { return ( pStrm->GetError() == SVSTREAM_OK ); }
int operator!() { return ( pStrm->GetError() != SVSTREAM_OK ); }
int eof() { return pStrm->IsEof(); }
BYTE get();
void get( void* p, USHORT n ) { pStrm->Read( (sal_Char*) p, n ); }
inline swstreambase& operator>>( sal_Char& );
inline swstreambase& operator>>( BYTE& );
inline swstreambase& operator>>( short& );
inline swstreambase& operator>>( USHORT& );
swstreambase& operator>>( long& );
inline swstreambase& operator>>( ULONG& );
};
inline swstreambase& swstreambase::operator>>( sal_Char& c )
{
*pStrm >> c; return *this;
}
inline swstreambase& swstreambase::operator>>( BYTE& c )
{
*pStrm >> c; return *this;
}
inline swstreambase& swstreambase::operator>>( short& c )
{
*pStrm >> c; return *this;
}
inline swstreambase& swstreambase::operator>>( USHORT& c )
{
*pStrm >> c; return *this;
}
inline swstreambase& swstreambase::operator>>( ULONG& c )
{
return *this >> (long&) c;
}
class swistream : public swstreambase {
BYTE cType; // Record-Typ
ULONG nOffset; // Record-Offset-Portion
public:
swistream( SvStream& );
BYTE peek(); // 1 Byte testen
BYTE next(); // Blockstart
BYTE cur() { return cType; } // aktueller Block
BYTE skipnext(); // Record ueberspringen
void undonext(); // next() rueckgaengig machen
long getskip() { return nOffset; }
void skip( long = -1L ); // Block ueberspringen
sal_Char* text(); // Textstring lesen (nach BEGIN)
long size(); // aktuelle Record-Laenge
private:
swistream( const swistream& );
int operator=( const swistream& );
};
#endif
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