Line data Source code
1 : // EnergyPlus, Copyright (c) 1996-2023, The Board of Trustees of the University of Illinois,
2 : // The Regents of the University of California, through Lawrence Berkeley National Laboratory
3 : // (subject to receipt of any required approvals from the U.S. Dept. of Energy), Oak Ridge
4 : // National Laboratory, managed by UT-Battelle, Alliance for Sustainable Energy, LLC, and other
5 : // contributors. All rights reserved.
6 : //
7 : // NOTICE: This Software was developed under funding from the U.S. Department of Energy and the
8 : // U.S. Government consequently retains certain rights. As such, the U.S. Government has been
9 : // granted for itself and others acting on its behalf a paid-up, nonexclusive, irrevocable,
10 : // worldwide license in the Software to reproduce, distribute copies to the public, prepare
11 : // derivative works, and perform publicly and display publicly, and to permit others to do so.
12 : //
13 : // Redistribution and use in source and binary forms, with or without modification, are permitted
14 : // provided that the following conditions are met:
15 : //
16 : // (1) Redistributions of source code must retain the above copyright notice, this list of
17 : // conditions and the following disclaimer.
18 : //
19 : // (2) Redistributions in binary form must reproduce the above copyright notice, this list of
20 : // conditions and the following disclaimer in the documentation and/or other materials
21 : // provided with the distribution.
22 : //
23 : // (3) Neither the name of the University of California, Lawrence Berkeley National Laboratory,
24 : // the University of Illinois, U.S. Dept. of Energy nor the names of its contributors may be
25 : // used to endorse or promote products derived from this software without specific prior
26 : // written permission.
27 : //
28 : // (4) Use of EnergyPlus(TM) Name. If Licensee (i) distributes the software in stand-alone form
29 : // without changes from the version obtained under this License, or (ii) Licensee makes a
30 : // reference solely to the software portion of its product, Licensee must refer to the
31 : // software as "EnergyPlus version X" software, where "X" is the version number Licensee
32 : // obtained under this License and may not use a different name for the software. Except as
33 : // specifically required in this Section (4), Licensee shall not use in a company name, a
34 : // product name, in advertising, publicity, or other promotional activities any name, trade
35 : // name, trademark, logo, or other designation of "EnergyPlus", "E+", "e+" or confusingly
36 : // similar designation, without the U.S. Department of Energy's prior written consent.
37 : //
38 : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
39 : // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
40 : // AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
41 : // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
42 : // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
43 : // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
44 : // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
45 : // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
46 : // POSSIBILITY OF SUCH DAMAGE.
47 :
48 : #ifndef StringUtilities_hh_INCLUDED
49 : #define StringUtilities_hh_INCLUDED
50 :
51 : #include <EnergyPlus/FromChars.hh>
52 : #include <ObjexxFCL/src/ObjexxFCL/Array1S.hh>
53 : #include <fast_float/fast_float.h>
54 : #include <sstream>
55 : #include <type_traits>
56 :
57 : namespace EnergyPlus {
58 70 : inline std::stringstream stringReader(std::string_view str)
59 : {
60 70 : std::stringstream result{str.data()};
61 : // result.imbue(std::locale("C"));
62 70 : return result;
63 : }
64 :
65 : template <class T, typename = std::enable_if_t<std::is_same_v<T, double> || std::is_same_v<T, int>>>
66 5936256 : bool readListItem(std::string_view input, size_t &index, T ¶m)
67 : {
68 5936256 : if (index >= input.size()) return false;
69 :
70 5936256 : input.remove_prefix(index);
71 :
72 5936256 : auto first_comma = input.find_first_not_of(',');
73 5936256 : if (first_comma != std::string_view::npos) {
74 5936256 : input.remove_prefix(first_comma);
75 : }
76 :
77 5936256 : auto first_char = input.find_first_not_of(' ');
78 5936256 : if (first_char != std::string_view::npos) {
79 5936256 : input.remove_prefix(first_char);
80 : }
81 :
82 5936256 : FromChars::from_chars_result result{};
83 : if constexpr (std::is_same_v<T, int>) {
84 1141580 : result = FromChars::from_chars(input.data(), input.data() + input.size(), param);
85 : } else if constexpr (std::is_same_v<T, double>) {
86 4794676 : auto fast_float_result = fast_float::from_chars(input.data(), input.data() + input.size(), param);
87 4794676 : result.ptr = fast_float_result.ptr;
88 4794676 : result.ec = fast_float_result.ec;
89 : }
90 5936256 : if (result.ec == std::errc::result_out_of_range || result.ec == std::errc::invalid_argument) {
91 0 : return false;
92 : }
93 5936256 : size_t pos = result.ptr - input.data();
94 5936256 : index += (pos + first_comma + first_char);
95 5936256 : return true;
96 : }
97 :
98 250 : template <typename Param> bool readListItem(std::istream &stream, Param &¶m)
99 : {
100 250 : if (stream.good()) {
101 250 : stream >> param;
102 250 : if (stream.good() && stream.peek() == ',') {
103 0 : stream.get(); // eat comma
104 : }
105 : } else {
106 : // the stream was not good, it was, perhaps EOF. So we need to
107 : // set the fail bit here to say that we ran out of string
108 : // and were unable to read the next bit of data
109 0 : stream.setstate(std::ios_base::failbit);
110 : }
111 :
112 250 : return !stream.fail();
113 : }
114 :
115 40 : template <typename Param> bool readItem(std::string_view input, Param &¶m)
116 : {
117 80 : auto stream = stringReader(input);
118 40 : stream >> param;
119 80 : return !stream.fail() && stream.eof();
120 : }
121 :
122 : inline auto nth_occurrence(std::string_view input_str, std::string_view search_str, std::size_t Nth)
123 : {
124 : if (Nth == 0) return std::string_view::npos;
125 : std::string_view::size_type pos = 0;
126 : size_t cnt{};
127 :
128 : do {
129 : pos = input_str.find(search_str, pos);
130 : if (pos == std::string_view::npos) {
131 : return std::string_view::npos;
132 : }
133 : ++cnt;
134 : ++pos;
135 : } while (cnt != Nth);
136 :
137 : return pos;
138 : }
139 :
140 684948 : inline auto nth_occurrence(std::string_view input_str, char const search_char, std::size_t Nth)
141 : {
142 684948 : if (Nth == 0) return std::string_view::npos;
143 684948 : std::string_view::size_type pos = 0;
144 684948 : size_t cnt{};
145 :
146 6621164 : do {
147 7306112 : pos = input_str.find(search_char, pos);
148 7306112 : if (pos == std::string_view::npos) {
149 0 : return std::string_view::npos;
150 : }
151 7306112 : ++cnt;
152 7306112 : ++pos;
153 7306112 : } while (cnt != Nth);
154 :
155 684948 : return pos;
156 : }
157 :
158 456667 : template <typename... Param> bool readList(std::string_view input, Param &&... param)
159 : {
160 : if constexpr (std::conjunction_v<std::is_same<double &, Param>...> || std::conjunction_v<std::is_same<int &, Param>...>) {
161 456637 : size_t index = 0;
162 456637 : return ((readListItem(input, index, param)), ...);
163 : } else {
164 60 : auto reader = stringReader(input);
165 60 : return ((readListItem(reader, param)), ...);
166 : }
167 : }
168 :
169 : } // namespace EnergyPlus
170 :
171 : namespace ObjexxFCL {
172 : // since this is a slice (reference) we want to bind to temporaries
173 : // so we're going to allow that where the one provided by Array1S.hh does not
174 : template <typename T> std::istream &operator>>(std::istream &stream, Array1S<T> &&a)
175 : {
176 : // just pass on to the `&` version of this operator>>
177 : return stream >> a;
178 : }
179 : } // namespace ObjexxFCL
180 :
181 : #endif
|