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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* 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; // For documentation: 3-byte-longs.
#define MAX_BEGIN 64 // Maximum block nesting.
#define PASSWDLEN 16 // Maximum password length.
// New version with SvStreams.
// Functionality for passwords and encoding.
class swcrypter {
protected:
sal_Char cPasswd[ PASSWDLEN ]; // Password buffer.
sal_Bool bPasswd; // sal_True if with password.
void encode( sal_Char*, sal_uInt16 ); // Encode/decode buffer.
public:
swcrypter();
sal_Bool setpasswd( const String& ); // Set password.
void copypasswd( const sal_Char* ); // Set password directly.
const sal_Char* getpasswd() { return cPasswd; }
};
// Reader/Writer-stream base class with buffer administration for texts
// ans special I/O for 3-byte-longs.
class swstreambase : public swcrypter {
protected:
SvStream* pStrm; // The actual stream.
sal_Char* pBuf; // Temporary buffer.
sal_uInt16 nBuflen; // Length of temporary buffer.
short nLong; // Long-length (3 or 4).
sal_Bool bTempStrm; // sal_True: delete stream.
void checkbuf( sal_uInt16 ); // Test buffer length.
swstreambase( SvStream& );
swstreambase( const swstreambase& );
int operator=( const swstreambase& );
public:
~swstreambase();
SvStream& Strm() { return *pStrm; }
void clear(); // Delete buffer.
// Supplementary functions for I/O of LONGs as 3-byte numbers.
void long3() { nLong = 3; }
void long4() { nLong = 4; }
// Alias and helper functions.
void seek( long nPos ) { pStrm->Seek( nPos ); }
long tell() { return pStrm->Tell(); }
long filesize();
void setbad();
int good() { return ( pStrm->GetError() == SVSTREAM_OK ); }
int operator!() { return ( pStrm->GetError() != SVSTREAM_OK ); }
int eof() { return pStrm->IsEof(); }
sal_uInt8 get();
void get( void* p, sal_uInt16 n ) { pStrm->Read( (sal_Char*) p, n ); }
inline swstreambase& operator>>( sal_Char& );
inline swstreambase& operator>>( sal_uInt8& );
inline swstreambase& operator>>( short& );
inline swstreambase& operator>>( sal_uInt16& );
swstreambase& operator>>( long& );
inline swstreambase& operator>>( sal_uLong& );
};
inline swstreambase& swstreambase::operator>>( sal_Char& c )
{
*pStrm >> c; return *this;
}
inline swstreambase& swstreambase::operator>>( sal_uInt8& c )
{
*pStrm >> c; return *this;
}
inline swstreambase& swstreambase::operator>>( short& c )
{
*pStrm >> c; return *this;
}
inline swstreambase& swstreambase::operator>>( sal_uInt16& c )
{
*pStrm >> c; return *this;
}
inline swstreambase& swstreambase::operator>>( sal_uLong& c )
{
return *this >> (long&) c;
}
class swistream : public swstreambase {
sal_uInt8 cType; // Record type.
sal_uLong nOffset; // Record offset portion.
public:
swistream( SvStream& );
sal_uInt8 peek(); // Test 1 byte.
sal_uInt8 next(); // Block start.
sal_uInt8 cur() { return cType; } // Current block.
sal_uInt8 skipnext(); // Skip record.
void undonext(); // Undo next().
long getskip() { return nOffset; }
void skip( long = -1L ); // Skip block.
sal_Char* text(); // Read text string (after BEGIN).
long size(); // Current record length.
private:
swistream( const swistream& );
int operator=( const swistream& );
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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