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/*************************************************************************
** StreamReader.h **
** **
** This file is part of dvisvgm -- the DVI to SVG converter **
** Copyright (C) 2005-2009 Martin Gieseking <martin.gieseking@uos.de> **
** **
** 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, see <http://www.gnu.org/licenses/>. **
*************************************************************************/
#ifndef STREAMREADER_H
#define STREAMREADER_H
#include <istream>
#include <string>
#include <vector>
#include "MessageException.h"
#include "types.h"
using std::istream;
using std::string;
using std::vector;
class StreamReader
{
public:
StreamReader (istream &s);
virtual ~StreamReader () {}
istream& replaceStream (istream &s);
UInt32 readUnsigned (int n);
Int32 readSigned (int n);
string readString (int length);
vector<UInt8>& readBytes (int n, vector<UInt8> &bytes);
int readByte () {return is->get();}
protected:
istream& in () {return *is;}
private:
istream *is;
};
struct StreamReaderException : public MessageException
{
StreamReaderException (const string &msg) : MessageException(msg) {}
};
#endif
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