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/*
Copyright (C) 2001-2004 Stephane Magnenat & Luc-Olivier de Charrière
for any question or comment contact us at <stephane at magnenat dot net> or <NuageBleu at gmail dot com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __BINARYSTREAM_H
#define __BINARYSTREAM_H
#include <Stream.h>
#include <StreamBackend.h>
#include "../../gnupg/sha1.h"
namespace GAGCore
{
class BinaryOutputStream : public OutputStream
{
protected:
StreamBackend *backend;
SHA1_CTX sha1Context;
bool doingSHA1;
public:
BinaryOutputStream(StreamBackend *backend) { this->backend = backend; doingSHA1 = false;}
virtual ~BinaryOutputStream() { delete backend; }
virtual void write(const void *data, const size_t size, const char *name);
virtual void writeEndianIndependant(const void *v, const size_t size, const char *name);
virtual void writeSint8(const Sint8 v, const char *name) { this->write(&v, 1, name); }
virtual void writeUint8(const Uint8 v, const char *name) { this->write(&v, 1, name); }
virtual void writeSint16(const Sint16 v, const char *name) { this->writeEndianIndependant(&v, 2, name); }
virtual void writeUint16(const Uint16 v, const char *name) { this->writeEndianIndependant(&v, 2, name); }
virtual void writeSint32(const Sint32 v, const char *name) { this->writeEndianIndependant(&v, 4, name); }
virtual void writeUint32(const Uint32 v, const char *name) { this->writeEndianIndependant(&v, 4, name); }
virtual void writeFloat(const float v, const char *name) { this->writeEndianIndependant(&v, 4, name); }
virtual void writeDouble(const double v, const char *name) { this->writeEndianIndependant(&v, 8, name); }
virtual void writeText(const std::string &v, const char *name);
virtual void flush(void) { backend->flush(); }
virtual void writeEnterSection(const char *name) { }
virtual void writeEnterSection(unsigned id) { }
virtual void writeLeaveSection(size_t count = 1) { }
void enableSHA1();
void finishSHA1(Uint8 sha1[20]);
virtual bool canSeek(void) { return true; }
virtual void seekFromStart(int displacement) { backend->seekFromStart(displacement); }
virtual void seekFromEnd(int displacement) { backend->seekFromEnd(displacement); }
virtual void seekRelative(int displacement) { backend->seekRelative(displacement); }
virtual size_t getPosition(void) { return backend->getPosition(); }
virtual bool isEndOfStream(void) { return backend->isEndOfStream(); }
};
class BinaryInputStream : public InputStream
{
private:
StreamBackend *backend;
public:
BinaryInputStream(StreamBackend *backend) { this->backend = backend; }
virtual ~BinaryInputStream() { delete backend; }
virtual void read(void *data, size_t size, const char *name) { backend->read(data, size); }
virtual void readEndianIndependant(void *v, size_t size, const char *name);
virtual Sint8 readSint8(const char *name) { Sint8 i; this->read(&i, 1, name); return i; }
virtual Uint8 readUint8(const char *name) { Uint8 i; this->read(&i, 1, name); return i; }
virtual Sint16 readSint16(const char *name) { Sint16 i; this->readEndianIndependant(&i, 2, name); return i; }
virtual Uint16 readUint16(const char *name) { Uint16 i; this->readEndianIndependant(&i, 2, name); return i; }
virtual Sint32 readSint32(const char *name) { Sint32 i; this->readEndianIndependant(&i, 4, name); return i; }
virtual Uint32 readUint32(const char *name) { Uint32 i; this->readEndianIndependant(&i, 4, name); return i; }
virtual float readFloat(const char *name) { float f; this->readEndianIndependant(&f, 4, name); return f; }
virtual double readDouble(const char *name) { double d; this->readEndianIndependant(&d, 8, name); return d; }
virtual std::string readText(const char *name);
virtual void readEnterSection(const char *name) { }
virtual void readEnterSection(unsigned id) { }
virtual void readLeaveSection(size_t count = 1) { }
virtual bool canSeek(void) { return true; }
virtual void seekFromStart(int displacement) { backend->seekFromStart(displacement); }
virtual void seekFromEnd(int displacement) { backend->seekFromEnd(displacement); }
virtual void seekRelative(int displacement) { backend->seekRelative(displacement); }
virtual size_t getPosition(void) { return backend->getPosition(); }
virtual bool isEndOfStream(void) { return backend->isEndOfStream(); }
};
}
#endif
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