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/*
This file is part of Android File Transfer For Linux.
Copyright (C) 2015-2020 Vladimir Menshakov
This library 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; either version 2.1 of the License,
or (at your option) any later version.
This library 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 library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef AFTL_MTP_PTP_OBJECTID_H
#define AFTL_MTP_PTP_OBJECTID_H
#include <mtp/types.h>
namespace mtp
{
#define DECLARE_ID(NAME, TYPE, MEMBER) \
struct NAME { \
TYPE MEMBER; \
static const TYPE Canary = 0xaaaaaaaau; \
\
NAME ( ): MEMBER ( Canary ) { } \
explicit NAME ( TYPE id ): MEMBER ( id ) { } \
\
bool operator == (const NAME &o) const \
{ return MEMBER == o.MEMBER; } \
bool operator != (const NAME &o) const \
{ return !((*this) == o); } \
bool operator < (const NAME &o) const \
{ return MEMBER < o.MEMBER; } \
}; \
template <typename Stream> Stream & operator >> (Stream &stream, NAME & value) \
{ stream >> value. MEMBER ; return stream; } \
template <typename Stream> Stream & operator << (Stream &stream, const NAME &value) \
{ stream << value. MEMBER ; return stream; } \
DECLARE_ID(ObjectId, mtp::u32, Id);
DECLARE_ID(StorageId, mtp::u32, Id);
#undef DECLARE_ID
}
namespace std
{
template<> struct hash<mtp::ObjectId>
{ public: size_t operator()(const mtp::ObjectId &id) const { return id.Id; } };
template<> struct hash<mtp::StorageId>
{ public: size_t operator()(const mtp::StorageId &id) const { return id.Id; } };
}
#endif
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