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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_TYPES_H
#define AFTL_MTP_TYPES_H
#include <stdint.h>
#include <errno.h>
#include <string.h>
#include <memory>
#include <mutex>
#include <exception>
#include <stdexcept>
#include <string>
namespace mtp
{
using scoped_mutex_lock = std::unique_lock<std::mutex>;
using u8 = uint8_t;
using u16 = uint16_t;
using u32 = uint32_t;
using u64 = uint64_t;
using s8 = int8_t;
using s16 = int16_t;
using s32 = int32_t;
using s64 = int64_t;
#define DECLARE_PTR(C) using C##Ptr = std::shared_ptr<C>
template<typename T>
inline T RequireNotNull(const T &t, const std::string &expr) {
if (!t)
throw std::runtime_error("null check failed " + expr);
return t;
}
struct Noncopyable
{
Noncopyable() = default;
Noncopyable(const Noncopyable&) = delete;
Noncopyable& operator=(const Noncopyable &) = delete;
};
class system_error : public std::exception
{
std::string _message;
public:
system_error(const std::string &prefix, int err = 0) : _message(prefix + ": " + strerror(err? err: errno)){ }
virtual const char * what() const throw() { return _message.c_str(); }
};
}
#define NOT_NULL(x) (mtp::RequireNotNull((x), #x))
#define ASSERT(expr) if (!(expr)) throw std::runtime_error("assertion " #expr " failed")
#define CATCH(WHAT, ...) catch(const std::exception &ex) { LOG(WARNING) << WHAT << ": " << ex.what(); __VA_ARGS__ }
//fixme: c++17 will allow implement it in stream with std::is_enum(c++11) + std::underlying_type(c++17)
#define DECLARE_ENUM(TYPE, BASETYPE) \
template<typename Stream> \
Stream &operator << (Stream & stream, TYPE format) \
{ stream << static_cast<BASETYPE>(format); return stream; } \
\
template<typename Stream> \
Stream &operator >> (Stream & stream, TYPE &format) \
{ BASETYPE value; stream >> value; format = static_cast<TYPE>(value); return stream; }
#define ENUM_VALUE_DECL(NAME, VALUE) NAME = VALUE ,
#define ENUM_VALUE_TO_STRING(TYPE, NAME, VALUE) case TYPE :: NAME : return #NAME ;
#define ENUM_VALUE_TO_STRING_DEFAULT(TYPE, VALUE, PADDING) default: return hex(static_cast<unsigned>( VALUE ), PADDING ).ToString();
#endif
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