mirror of
https://github.com/openharmony/ark_js_runtime.git
synced 2026-07-25 14:05:38 -04:00
xliu
35b22ca998
Description 1. String trim interface optimization. 2. Change the implementation of using regular to a simpler and more efficient way. Issue: #I5AH4Z:[Optimization] String Trim Signed-off-by: xliu <liuxin259@huawei.com> Change-Id: I9dd0d923344ebd3c571ff8cd6cb244d9c01444fa
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ecmascript/base/string_helper.h"
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#include "ecmascript/ecma_string-inl.h"
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namespace panda::ecmascript::base {
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std::string StringHelper::ToStdString(EcmaString *string)
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{
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return CstringConvertToStdString(ConvertToString(string));
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}
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bool StringHelper::CheckDuplicate(EcmaString *string)
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{
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if (string->IsUtf8()) {
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const uint8_t *array = string->GetDataUtf8();
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size_t length = string->GetUtf8Length() - 1;
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std::bitset<UINT8_MAX> bitSet;
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for (size_t i = 0; i < length; ++i) {
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char idx = *array;
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if (bitSet.test(idx)) {
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return true;
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}
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bitSet.set(idx);
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array++; // NOLINTNEXTLINE(cppcoreguidelines-pro-bounds-pointer-arithmetic)
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}
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} else {
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UNREACHABLE();
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}
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return false;
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}
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EcmaString *StringHelper::Repeat(JSThread *thread, const std::u16string &thisStr, int32_t repeatLen, bool canBeCompress)
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{
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ecmascript::ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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if (repeatLen == 0) {
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return *factory->GetEmptyString(); // Create empty EcmaString.
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}
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std::u16string tmpStr = thisStr;
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for (int32_t i = 1; i < repeatLen; i++) {
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tmpStr.append(thisStr);
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}
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const char16_t *constChar16tData = tmpStr.data();
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auto *char16tData = const_cast<char16_t *>(constChar16tData);
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auto *uint16tData = reinterpret_cast<uint16_t *>(char16tData);
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uint32_t length = tmpStr.size();
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return canBeCompress ? *factory->NewFromUtf16Compress(uint16tData, length) :
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*factory->NewFromUtf16NotCompress(uint16tData, length);
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}
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} // namespace panda::ecmascript::base
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