foundationdb/flow/FileIdentifier.h

98 lines
2.2 KiB
C++

/*
* FileIdentifier.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <cstdint>
using FileIdentifier = uint32_t;
template <class T>
struct FileIdentifierFor {
//constexpr static FileIdentifier value = T::file_identifier;
// TODO: use file identifiers for different types
constexpr static FileIdentifier value = 0xffffff;
};
template <>
struct FileIdentifierFor<int> {
constexpr static FileIdentifier value = 1;
};
template <>
struct FileIdentifierFor<unsigned> {
constexpr static FileIdentifier value = 2;
};
template <>
struct FileIdentifierFor<long> {
constexpr static FileIdentifier value = 3;
};
template <>
struct FileIdentifierFor<unsigned long> {
constexpr static FileIdentifier value = 4;
};
template <>
struct FileIdentifierFor<long long> {
constexpr static FileIdentifier value = 5;
};
template <>
struct FileIdentifierFor<unsigned long long> {
constexpr static FileIdentifier value = 6;
};
template <>
struct FileIdentifierFor<short> {
constexpr static FileIdentifier value = 7;
};
template <>
struct FileIdentifierFor<unsigned short> {
constexpr static FileIdentifier value = 8;
};
template <>
struct FileIdentifierFor<signed char> {
constexpr static FileIdentifier value = 9;
};
template <>
struct FileIdentifierFor<unsigned char> {
constexpr static FileIdentifier value = 10;
};
template <>
struct FileIdentifierFor<bool> {
constexpr static FileIdentifier value = 11;
};
template <>
struct FileIdentifierFor<float> {
constexpr static FileIdentifier value = 7266212;
};
template <>
struct FileIdentifierFor<double> {
constexpr static FileIdentifier value = 9348150;
};