iceoryx_hoofs 2.0.5
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convert.hpp
1// Copyright (c) 2019, 2021 by Robert Bosch GmbH. All rights reserved.
2// Copyright (c) 2021 by Apex.AI Inc. All rights reserved.
3//
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at
7//
8// http://www.apache.org/licenses/LICENSE-2.0
9//
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15//
16// SPDX-License-Identifier: Apache-2.0
17#ifndef IOX_HOOFS_CXX_CONVERT_HPP
18#define IOX_HOOFS_CXX_CONVERT_HPP
19
20#include "iceoryx_hoofs/cxx/string.hpp"
21#include "iceoryx_hoofs/posix_wrapper/posix_call.hpp"
22
23#include <climits>
24#include <cmath>
25#include <cstdlib>
26#include <cstring>
27#include <iostream>
28#include <limits>
29#include <sstream>
30#include <string>
31
32namespace iox
33{
34namespace cxx
35{
47{
48 public:
49 enum class NumberType
50 {
51 INTEGER,
52 UNSIGNED_INTEGER,
53 FLOAT
54 };
55
56 static constexpr int32_t STRTOULL_BASE = 10;
57
63 template <typename Source>
64 static typename std::enable_if<!std::is_convertible<Source, std::string>::value, std::string>::type
65 toString(const Source& t) noexcept;
66
72 template <typename Source>
73 static typename std::enable_if<std::is_convertible<Source, std::string>::value, std::string>::type
74 toString(const Source& t) noexcept;
75
81 template <typename Destination>
82 static bool fromString(const char* v, Destination& dest) noexcept;
83
88 static bool stringIsNumber(const char* v, const NumberType type) noexcept;
89
90 private:
91 static bool stringIsNumberWithErrorMessage(const char* v, const NumberType type) noexcept;
92};
93
94} // namespace cxx
95} // namespace iox
96
97#include "iceoryx_hoofs/internal/cxx/convert.inl"
98
99#endif // IOX_HOOFS_CXX_CONVERT_HPP
Collection of static methods for conversion from and to string.
Definition convert.hpp:47
static bool stringIsNumber(const char *v, const NumberType type) noexcept
checks if a given string v is a number
static std::enable_if< std::is_convertible< Source, std::string >::value, std::string >::type toString(const Source &t) noexcept
Converts every type which is either a pod (plain old data) type or is convertable to a string (this m...
static std::enable_if<!std::is_convertible< Source, std::string >::value, std::string >::type toString(const Source &t) noexcept
Converts every type which is either a pod (plain old data) type or is convertable to a string (this m...
static bool fromString(const char *v, Destination &dest) noexcept
Sets dest from a given string. If the conversion fails false is returned and the value of dest is und...
building block to easily create free function for logging in a library context
Definition lockfree_queue.hpp:29