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Helper functions for construction EBML hierarchies

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Moritz Bunkus 2012-08-17 22:46:45 +02:00
parent c2fe0e1dec
commit 00b0b921d1
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/*
mkvmerge -- utility for splicing together matroska files
from component media subtypes
Distributed under the GPL
see the file COPYING for details
or visit http://www.gnu.org/copyleft/gpl.html
definitions for helper functions for unit tests
Written by Moritz Bunkus <moritz@bunkus.org>.
*/
#ifndef MTX_TESTS_UNIT_CONSTRUCT_H
#define MTX_TESTS_UNIT_CONSTRUCT_H
#include "common/common_pch.h"
#include <ebml/EbmlDate.h>
#include <ebml/EbmlFloat.h>
#include <ebml/EbmlSInteger.h>
#include <ebml/EbmlString.h>
#include <ebml/EbmlUInteger.h>
#include <ebml/EbmlUnicodeString.h>
namespace mtxut {
namespace construct {
using namespace libebml;
template<typename Tobject,
typename Tvalue>
typename boost::enable_if< boost::is_base_of<EbmlUInteger, Tobject> >::type
cons_impl(EbmlMaster *master,
Tobject *object,
Tvalue &&value) {
*static_cast<EbmlUInteger *>(object) = value;
master->PushElement(*object);
}
template<typename Tobject,
typename Tvalue>
typename boost::enable_if< boost::is_base_of<EbmlSInteger, Tobject> >::type
cons_impl(EbmlMaster *master,
Tobject *object,
Tvalue &&value) {
*static_cast<EbmlSInteger *>(object) = value;
master->PushElement(*object);
}
template<typename Tobject,
typename Tvalue>
typename boost::enable_if< boost::is_base_of<EbmlFloat, Tobject> >::type
cons_impl(EbmlMaster *master,
Tobject *object,
Tvalue &&value) {
*static_cast<EbmlFloat *>(object) = value;
master->PushElement(*object);
}
template<typename Tobject,
typename Tvalue>
typename boost::enable_if< boost::is_base_of<EbmlString, Tobject> >::type
cons_impl(EbmlMaster *master,
Tobject *object,
Tvalue &&value) {
*static_cast<EbmlString *>(object) = value;
master->PushElement(*object);
}
template<typename Tobject,
typename Tvalue>
typename boost::enable_if< boost::is_base_of<EbmlUnicodeString, Tobject> >::type
cons_impl(EbmlMaster *master,
Tobject *object,
Tvalue &&value) {
*static_cast<EbmlUnicodeString *>(object) = value;
master->PushElement(*object);
}
template<typename Tsub_master>
typename boost::enable_if< boost::is_base_of<EbmlMaster, Tsub_master> >::type
cons_impl(EbmlMaster *master,
Tsub_master *sub_master) {
master->PushElement(*sub_master);
}
template<typename Tsub_master,
typename... Targs>
typename boost::enable_if< boost::is_base_of<EbmlMaster, Tsub_master> >::type
cons_impl(EbmlMaster *master,
Tsub_master *sub_master,
Targs... args) {
master->PushElement(*sub_master);
cons_impl(master, args...);
}
template<typename Tobject,
typename Tvalue,
typename... Targs>
void
cons_impl(EbmlMaster *master,
Tobject *object,
Tvalue &&value,
Targs... args) {
cons_impl(master, object, value);
cons_impl(master, args...);
}
template<typename Tmaster,
typename... Targs>
Tmaster *
cons(Targs... args) {
auto master = new Tmaster;
master->RemoveAll();
cons_impl(master, args...);
return master;
}
}}
#endif // MTX_TESTS_UNIT_CONSTRUCT_H