mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
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a80bc80be7
Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/IAFN03 Signed-off-by: Ilya Trubachev <trubachev.ilya@huawei-partners.com> Change-Id: I3dacab1744d7649f8b02fc0cd83048d71cd4c51e
72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
/*
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* Copyright (c) 2023 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/path_helper.h"
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namespace panda::ecmascript::base {
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/*
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* Before: ./xxx/../xxx/xxx/
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* After: xxx/xxx
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*/
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CString PathHelper::NormalizePath(const CString &fileName)
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{
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if (fileName.empty() || (fileName.find(DOUBLE_SLASH_TAG) == CString::npos &&
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fileName.find(CURRENT_DIREATORY_TAG) == CString::npos &&
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fileName[fileName.size() - 1] != SLASH_TAG)) {
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return fileName;
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}
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CString res = "";
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size_t prev = 0;
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size_t curr = fileName.find(SLASH_TAG);
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CVector<CString> elems;
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// eliminate parent directory path
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while (curr != CString::npos) {
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if (curr > prev) {
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CString elem = fileName.substr(prev, curr - prev);
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if (elem == DOUBLE_POINT_TAG && !elems.empty()) { // looking for xxx/../
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elems.pop_back();
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} else if (elem != POINT_STRING_TAG && elem != DOUBLE_POINT_TAG) { // remove ./ ../
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elems.push_back(elem);
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}
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}
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prev = curr + 1;
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curr = fileName.find(SLASH_TAG, prev);
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}
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if (prev != fileName.size()) {
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elems.push_back(fileName.substr(prev));
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}
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for (auto e : elems) {
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if (res.size() == 0 && fileName.at(0) != SLASH_TAG) {
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res.append(e);
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continue;
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}
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res.append(1, SLASH_TAG).append(e);
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}
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return res;
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}
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/*
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* Before: xxx/xxx
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* After: xxx/
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*/
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CString PathHelper::ResolveDirPath(const CString &fileName)
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{
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// find last '/', '\\'
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int foundPos = static_cast<int>(fileName.find_last_of("/\\"));
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if (foundPos == -1) {
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return CString();
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}
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return fileName.substr(0, foundPos + 1);
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}
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} // namespace panda::ecmascript::base
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