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148 lines
4.6 KiB
C++
148 lines
4.6 KiB
C++
//
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// MessagePack for C++ static resolution routine
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//
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// Copyright (C) 2008-2009 FURUHASHI Sadayuki
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef MSGPACK_TYPE_INT_HPP__
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#define MSGPACK_TYPE_INT_HPP__
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#include "msgpack/object.hpp"
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#include <limits>
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namespace msgpack {
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namespace type {
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namespace detail {
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template <typename T, bool Signed>
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struct convert_integer_sign;
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template <typename T>
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struct convert_integer_sign<T, true> {
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static inline T convert(object o) {
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if(o.type == type::POSITIVE_INTEGER) {
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if(o.via.u64 > (uint64_t)std::numeric_limits<T>::max())
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{ throw type_error(); }
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return o.via.u64;
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} else if(o.type == type::NEGATIVE_INTEGER) {
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if(o.via.i64 < (int64_t)-std::numeric_limits<T>::max())
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{ throw type_error(); }
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return o.via.i64;
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}
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throw type_error();
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}
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};
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template <typename T>
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struct convert_integer_sign<T, false> {
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static inline T convert(object o) {
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if(o.type == type::POSITIVE_INTEGER) {
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if(o.via.u64 > (uint64_t)std::numeric_limits<T>::max())
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{ throw type_error(); }
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return o.via.u64;
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}
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throw type_error();
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}
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};
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template <typename T>
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static inline T convert_integer(object o)
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{
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return detail::convert_integer_sign<T, std::numeric_limits<T>::is_signed>::convert(o);
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}
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} // namespace detail
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} // namespace type
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inline signed char& operator>> (object o, signed char& v)
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{ v = type::detail::convert_integer<signed char>(o); return v; }
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inline signed short& operator>> (object o, signed short& v)
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{ v = type::detail::convert_integer<signed short>(o); return v; }
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inline signed int& operator>> (object o, signed int& v)
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{ v = type::detail::convert_integer<signed int>(o); return v; }
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inline signed long& operator>> (object o, signed long& v)
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{ v = type::detail::convert_integer<signed long>(o); return v; }
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inline signed long long& operator>> (object o, signed long long& v)
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{ v = type::detail::convert_integer<signed long long>(o); return v; }
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inline unsigned char& operator>> (object o, unsigned char& v)
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{ v = type::detail::convert_integer<unsigned char>(o); return v; }
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inline unsigned short& operator>> (object o, unsigned short& v)
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{ v = type::detail::convert_integer<unsigned short>(o); return v; }
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inline unsigned int& operator>> (object o, unsigned int& v)
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{ v = type::detail::convert_integer<unsigned int>(o); return v; }
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inline unsigned long& operator>> (object o, unsigned long& v)
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{ v = type::detail::convert_integer<unsigned long>(o); return v; }
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inline unsigned long long& operator>> (object o, unsigned long long& v)
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{ v = type::detail::convert_integer<unsigned long long>(o); return v; }
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template <typename Stream>
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inline packer<Stream>& operator<< (packer<Stream>& o, const signed char& v)
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{ o.pack_int8(v); return o; }
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template <typename Stream>
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inline packer<Stream>& operator<< (packer<Stream>& o, const signed short& v)
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{ o.pack_short(v); return o; }
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template <typename Stream>
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inline packer<Stream>& operator<< (packer<Stream>& o, const signed int& v)
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{ o.pack_int(v); return o; }
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template <typename Stream>
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inline packer<Stream>& operator<< (packer<Stream>& o, const signed long& v)
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{ o.pack_long(v); return o; }
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template <typename Stream>
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inline packer<Stream>& operator<< (packer<Stream>& o, const signed long long& v)
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{ o.pack_long_long(v); return o; }
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template <typename Stream>
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inline packer<Stream>& operator<< (packer<Stream>& o, const unsigned char& v)
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{ o.pack_uint8(v); return o; }
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template <typename Stream>
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inline packer<Stream>& operator<< (packer<Stream>& o, const unsigned short& v)
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{ o.pack_unsigned_short(v); return o; }
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template <typename Stream>
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inline packer<Stream>& operator<< (packer<Stream>& o, const unsigned int& v)
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{ o.pack_unsigned_int(v); return o; }
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template <typename Stream>
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inline packer<Stream>& operator<< (packer<Stream>& o, const unsigned long& v)
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{ o.pack_unsigned_long(v); return o; }
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template <typename Stream>
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inline packer<Stream>& operator<< (packer<Stream>& o, const unsigned long long& v)
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{ o.pack_unsigned_long_long(v); return o; }
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} // namespace msgpack
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#endif /* msgpack/type/int.hpp */
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