/usr/include/dballe/msg/codec.h is in libdballe-dev 6.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* msg/codec - General codec options
*
* Copyright (C) 2005--2010 ARPA-SIM <urpsim@smr.arpa.emr.it>
*
* 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.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Enrico Zini <enrico@enricozini.com>
*/
#ifndef DBA_MSG_CODEC_H
#define DBA_MSG_CODEC_H
#include <dballe/core/rawmsg.h>
#include <dballe/core/defs.h>
#include <memory>
#include <string>
#include <stdio.h>
/** @file
* @ingroup msg
* General codec options
*/
namespace wreport {
struct Bulletin;
}
namespace dballe {
struct Rawmsg;
struct Msgs;
namespace msg {
/**
* Message importer
*
* This class is designed like a configurable virtual functor.
*
* Importers of various kinds can provide their implementations.
*/
class Importer
{
public:
struct Options
{
bool simplified;
/// Create new Options initialised with default values
Options()
: simplified(true) {}
bool operator==(const Options& o) const { return simplified == o.simplified; }
bool operator!=(const Options& o) const { return simplified != o.simplified; }
/// Print a summary of the options to \a out
void print(FILE* out);
/// Generate a string summary of import options
std::string to_string() const;
/// Opposite of to_string: create an Options from a string
static Options from_string(const std::string& s);
};
protected:
Options opts;
public:
Importer(const Options& opts);
virtual ~Importer();
/**
* Decode a message from its raw encoded representation
*
* @param rmsg
* Encoded message
* @retval msgs
* The resulting ::dba_msg
*/
virtual void from_rawmsg(const Rawmsg& msg, Msgs& msgs) const = 0;
/**
* Import a decoded BUFR/CREX message
*/
virtual void from_bulletin(const wreport::Bulletin& msg, Msgs& msgs) const = 0;
/// Instantiate the right importer for the given type
static std::auto_ptr<Importer> create(Encoding type, const Options& opts=Options());
};
/**
* Message exporter
*
* This class is designed like a configurable virtual functor.
*
* Exporters of various kinds can provide their implementations.
*/
class Exporter
{
public:
struct Options
{
/// Name of template to use for output (leave empty to autodetect)
std::string template_name;
/// Originating centre
int centre;
/// Originating subcentre
int subcentre;
/// Originating application ID
int application;
/// Create new Options initialised with default values
Options()
: centre(MISSING_INT), subcentre(MISSING_INT), application(MISSING_INT) {}
/// Print a summary of the options to \a out
void print(FILE* out);
/// Generate a string summary of export options
std::string to_string() const;
};
protected:
Options opts;
public:
Exporter(const Options& opts);
virtual ~Exporter();
/**
* Encode a message
*
* @param msgs
* Message to encode
* @retval rmsg
* The resulting Rawmsg
*/
virtual void to_rawmsg(const Msgs& msgs, Rawmsg& msg) const = 0;
/**
* Export to a Bulletin
*/
virtual void to_bulletin(const Msgs& msgs, wreport::Bulletin& msg) const = 0;
/**
* Create a bulletin that works with this exporter.
*
* @returns the bulletin, or NULL of this is an exporter for a format not
* covered by Bulletin
*/
virtual std::auto_ptr<wreport::Bulletin> make_bulletin() const;
/// Instantiate the right importer for the given type
static std::auto_ptr<Exporter> create(Encoding type, const Options& opts=Options());
};
} // namespace msg
} // namespace dballe
/* vim:set ts=4 sw=4: */
#endif
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