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/*
Aseba - an event-based framework for distributed robot control
Copyright (C) 2007--2016:
Stephane Magnenat <stephane at magnenat dot net>
(http://stephane.magnenat.net)
and other contributors, see authors.txt for details
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation, version 3 of the License.
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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ASEBA_HEX_FILE_H
#define ASEBA_HEX_FILE_H
#include "../types.h"
#include "FormatableString.h"
#include <map>
#include <utility>
#include <vector>
#include <string>
namespace Aseba
{
/** \addtogroup utils */
/*@{*/
//! A class to read and write .hex files
class HexFile
{
public:
struct Error : std::exception
{
virtual ~Error () = default;
virtual std::string toString() const = 0;
virtual const char* what() const noexcept override;
};
struct EarlyEOF : Error
{
int line;
EarlyEOF(int line) : line(line) { }
std::string toString() const override;
};
struct InvalidRecord : Error
{
int line;
InvalidRecord(int line) : line(line) { }
std::string toString() const override;
};
struct WrongCheckSum : Error
{
int line;
uint8_t recordCheckSum;
uint8_t computedCheckSum;
WrongCheckSum (int line, uint8_t recordCheckSum, uint8_t computedCheckSum) :
line(line),
recordCheckSum(recordCheckSum),
computedCheckSum(computedCheckSum)
{ }
std::string toString() const override;
};
struct UnknownRecordType : Error
{
int line;
uint8_t recordType;
UnknownRecordType(int line, uint8_t recordType) : line(line), recordType(recordType) { }
std::string toString() const override;
};
struct FileOpeningError : Error
{
std::string fileName;
FileOpeningError(std::string fileName) : fileName(std::move(fileName)) { }
std::string toString() const override;
};
public:
typedef std::map<uint32_t, std::vector<uint8_t> > ChunkMap;
ChunkMap data;
public:
void read(const std::string &fileName);
void write(const std::string &fileName) const;
void strip(unsigned pageSize);
protected:
static unsigned getUint4(std::istream &stream);
static unsigned getUint8(std::istream &stream);
static unsigned getUint16(std::istream &stream);
static void writeExtendedLinearAddressRecord(std::ofstream &stream, unsigned addr16);
static void writeData(std::ofstream &stream, unsigned addr16, unsigned count8, uint8_t *data);
};
/*@}*/
}
#endif
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