1 /*
2 * Copyright (c) 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 #ifndef ECMASCRIPT_BUILTINS_BUILTINS_REGEXP_INL_H
17 #define ECMASCRIPT_BUILTINS_BUILTINS_REGEXP_INL_H
18
19 #include "ecmascript/ecma_context.h"
20
21 namespace panda::ecmascript::builtins {
22
23 /* static */
24 template <int N>
GetCapture(JSThread *thread)25 JSTaggedValue RegExpGlobalResult::GetCapture(JSThread *thread)
26 {
27 JSHandle<builtins::RegExpGlobalResult> globalTable(thread->GetCurrentEcmaContext()->GetRegExpGlobalResult());
28 JSTaggedValue res = globalTable->Get(CAPTURE_START_INDEX + N - 1);
29 int captureNum = globalTable->GetTotalCaptureCounts().GetInt();
30 if (res.IsHole() && (N < captureNum)) {
31 int startIndex = globalTable->GetStartOfCaptureIndex(N).GetInt();
32 int endIndex = globalTable->GetEndOfCaptureIndex(N).GetInt();
33 int len = endIndex - startIndex;
34 if (len < 0) {
35 res = JSTaggedValue::Undefined();
36 } else {
37 res = JSTaggedValue(EcmaStringAccessor::FastSubString(thread->GetEcmaVM(),
38 JSHandle<EcmaString>(thread, EcmaString::Cast(globalTable->GetInputString())),
39 static_cast<uint32_t>(startIndex), static_cast<uint32_t>(len)));
40 }
41 globalTable->Set(thread, CAPTURE_START_INDEX + N - 1, res);
42 } else if (res.IsHole()) {
43 res = thread->GetEcmaVM()->GetFactory()->GetEmptyString().GetTaggedValue();
44 globalTable->Set(thread, CAPTURE_START_INDEX + N - 1, res);
45 }
46 return res;
47 }
48
49 } // namespace panda::ecmascript::builtins
50 #endif // ECMASCRIPT_BUILTINS_BUILTINS_REGEXP_INL_H
51