1 /**
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #ifndef PANDA_RUNTIME_MEM_PANDA_STRING_H
16 #define PANDA_RUNTIME_MEM_PANDA_STRING_H
17
18 #include <sstream>
19 #include <string>
20 #include <string_view>
21
22 #include "runtime/mem/allocator_adapter.h"
23
24 namespace panda {
25 namespace coretypes {
26 class String;
27 } // namespace coretypes
28
29 using PandaString = std::basic_string<char, std::char_traits<char>, mem::AllocatorAdapter<char>>;
30 using PandaStringStream = std::basic_stringstream<char, std::char_traits<char>, mem::AllocatorAdapter<char>>;
31 using PandaIStringStream = std::basic_istringstream<char, std::char_traits<char>, mem::AllocatorAdapter<char>>;
32 using PandaOStringStream = std::basic_ostringstream<char, std::char_traits<char>, mem::AllocatorAdapter<char>>;
33
34 int64_t PandaStringToLL(const PandaString &str);
35 uint64_t PandaStringToULL(const PandaString &str);
36 float PandaStringToF(const PandaString &str);
37 double PandaStringToD(const PandaString &str);
38 PANDA_PUBLIC_API PandaString ConvertToString(const std::string &str);
39 PANDA_PUBLIC_API PandaString ConvertToString(coretypes::String *s);
40
41 template <class T>
ToPandaString(T value)42 std::enable_if_t<std::is_arithmetic_v<T>, PandaString> ToPandaString(T value)
43 {
44 PandaStringStream strStream;
45 strStream << value;
46 return strStream.str();
47 }
48
49 struct PandaStringHash {
50 using ArgumentType = panda::PandaString;
51 using ResultType = std::size_t;
52
operatorPandaStringHash53 size_t operator()(const PandaString &str) const noexcept
54 {
55 return std::hash<std::string_view>()(std::string_view(str.data(), str.size()));
56 }
57 };
58
PandaStringToStd(const PandaString & pandastr)59 inline std::string PandaStringToStd(const PandaString &pandastr)
60 {
61 // NOLINTNEXTLINE(readability-redundant-string-cstr)
62 std::string str = pandastr.c_str();
63 return str;
64 }
65
66 } // namespace panda
67
68 namespace std {
69
70 template <>
71 struct hash<panda::PandaString> {
72 using ArgumentType = panda::PandaStringHash::ArgumentType;
73 using ResultType = panda::PandaStringHash::ResultType;
74
75 size_t operator()(const panda::PandaString &str) const noexcept
76 {
77 return panda::PandaStringHash()(str);
78 }
79 };
80
81 } // namespace std
82
83 #endif // PANDA_RUNTIME_MEM_PANDA_STRING_H
84