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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the 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
sal_Bool bPasswd; // sal_True wenn mit Passwort
void encode( sal_Char*, sal_uInt16 ); // Puffer codieren/decodieren
public:
swcrypter();
sal_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
sal_uInt16 nBuflen; // Laenge des Zwischenpuffers
short nLong; // Long-Laenge (3 oder 4)
sal_Bool bTempStrm; // sal_True: Stream loeschen
void checkbuf( sal_uInt16 ); // 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(); }
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-Typ
sal_uLong nOffset; // Record-Offset-Portion
public:
swistream( SvStream& );
sal_uInt8 peek(); // 1 Byte testen
sal_uInt8 next(); // Blockstart
sal_uInt8 cur() { return cType; } // aktueller Block
sal_uInt8 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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