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1 /**
2  * Copyright (c) 2021-2024 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 
16 #include "intrinsics.h"
17 #include "helpers/ets_intrinsics_helpers.h"
18 
19 namespace ark::ets::intrinsics {
20 
21 const char LOWER_TO_UPPER_OFFSET = 'a' - 'A';
22 
StdCoreCharIsUpperCase(EtsChar value)23 extern "C" EtsBoolean StdCoreCharIsUpperCase(EtsChar value)
24 {
25     return ToEtsBoolean(value >= 'A' && value <= 'Z');
26 }
StdCoreCharToUpperCase(EtsChar value)27 extern "C" EtsChar StdCoreCharToUpperCase(EtsChar value)
28 {
29     return (value >= 'a' && value <= 'z') ? value - LOWER_TO_UPPER_OFFSET : value;
30 }
StdCoreCharIsLowerCase(EtsChar value)31 extern "C" EtsBoolean StdCoreCharIsLowerCase(EtsChar value)
32 {
33     return ToEtsBoolean(value >= 'a' && value <= 'z');
34 }
StdCoreCharToLowerCase(EtsChar value)35 extern "C" EtsChar StdCoreCharToLowerCase(EtsChar value)
36 {
37     return (value >= 'A' && value <= 'Z') ? value + LOWER_TO_UPPER_OFFSET : value;
38 }
StdCoreCharIsWhiteSpace(EtsChar value)39 extern "C" EtsBoolean StdCoreCharIsWhiteSpace(EtsChar value)
40 {
41     return ToEtsBoolean(utf::IsWhiteSpaceChar(value));
42 }
43 
44 }  // namespace ark::ets::intrinsics
45