55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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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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#pragma once
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#include <memory>
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#include <optional>
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#include <string>
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#include <string_view>
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namespace simpleperf {
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class RegExMatch {
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public:
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virtual ~RegExMatch();
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virtual bool IsValid() const = 0;
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virtual std::string GetField(size_t index) const = 0;
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virtual void MoveToNextMatch() = 0;
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};
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// A wrapper of std::regex, converting std::regex_error exception into return value.
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class RegEx {
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public:
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static std::unique_ptr<RegEx> Create(std::string_view pattern);
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virtual ~RegEx() {}
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const std::string& GetPattern() const { return pattern_; }
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virtual bool Match(std::string_view s) const = 0;
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virtual bool Search(std::string_view s) const = 0;
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// Always return a not-null RegExMatch. If no match, RegExMatch->IsValid() is false.
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virtual std::unique_ptr<RegExMatch> SearchAll(std::string_view s) const = 0;
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virtual std::optional<std::string> Replace(const std::string& s,
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const std::string& format) const = 0;
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protected:
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RegEx(std::string_view pattern) : pattern_(pattern) {}
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std::string pattern_;
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};
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} // namespace simpleperf
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