rockbox/utils/zenutils/source/shared/firmware.h

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/* zenutils - Utilities for working with creative firmwares.
* Copyright 2007 (c) Rasmus Ry <rasmus.ry{at}gmail.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 2 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 ZEN_FIRMWARE_H_INCLUDED
#define ZEN_FIRMWARE_H_INCLUDED
#include <list>
#include <utils.h>
namespace zen {
struct firmware_header_t
{
dword tag;
dword size;
}; //struct firmware_header_t
class firmware_entry
{
public:
firmware_entry(bool big_endian);
firmware_entry(const firmware_entry& copy);
firmware_entry& operator=(const firmware_entry& right);
bool read(std::istream& is);
bool write(std::ostream& os) const;
bool is_big_endian() const;
const firmware_header_t& get_header() const;
firmware_header_t& get_header();
const shared::bytes& get_bytes() const;
shared::bytes& get_bytes();
std::string get_name() const;
std::string get_content_name() const;
size_t get_content_offset() const;
size_t calc_size() const;
protected:
void assign(const firmware_entry& copy);
private:
bool _big_endian;
firmware_header_t _header;
shared::bytes _bytes;
}; //class firmware_entry
typedef std::list<firmware_entry> firmware_entries;
class firmware_archive
{
public:
firmware_archive(bool big_endian);
firmware_archive(const firmware_archive& copy);
firmware_archive& operator=(const firmware_archive& right);
bool read(std::istream& is);
bool write(std::ostream& os) const;
bool is_big_endian() const;
const firmware_entries& get_children() const;
firmware_entries& get_children();
const firmware_entries& get_neighbours() const;
firmware_entries& get_neighbours();
bool is_signed() const;
size_t calc_size() const;
protected:
void assign(const firmware_archive& copy);
private:
firmware_entries _children;
firmware_entries _neighbours;
bool _big_endian;
}; //class firmware_archive
}; //namespace zen
#endif //ZEN_FIRMWARE_ARCHIVE_H_INCLUDED