51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/*
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* Copyright (c) 2023 Fancy Code.
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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 "VersionBase.h"
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#include <fstream>
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#include <iostream>
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#include <regex>
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#include <sstream>
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#include <string>
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void VersionBase::GetVersion(const std::string &fileName, const std::regex &pattern, std::string &version)
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{
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std::ifstream file(fileName);
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if (!file.is_open()) {
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std::cerr << "无法打开文件: " << fileName << std::endl;
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return;
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}
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std::string line;
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std::string versionGet;
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// std::regex pattern(R"(add_definitions\(-DHUNTING_CAMERA_VERSION=\"([^"]+)\"\))");
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while (std::getline(file, line)) {
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std::smatch match;
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if (std::regex_search(line, match, pattern)) {
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// 如果找到匹配项，match[1]将包含捕获的版本号
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versionGet = match[1].str();
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break; // 找到后退出循环
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}
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}
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file.close();
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if (versionGet.empty()) {
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std::cerr << "在文件中未找到指定的行或版本号!" << std::endl;
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return;
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}
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std::cout << "提取的版本号: " << versionGet << std::endl;
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return;
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} |