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Diffstat (limited to 'sw/inc/swgstr.hxx')
-rw-r--r-- | sw/inc/swgstr.hxx | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/sw/inc/swgstr.hxx b/sw/inc/swgstr.hxx new file mode 100644 index 000000000000..2f3c2d7d9f6b --- /dev/null +++ b/sw/inc/swgstr.hxx @@ -0,0 +1,152 @@ +/* -*- 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: */ |