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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <memory>
#include <optional>
#include <string>
#include <string_view>
#include <vector>
namespace simpleperf {
class RegExMatch {
public:
virtual ~RegExMatch();
virtual bool IsValid() const = 0;
virtual std::string GetField(size_t index) const = 0;
virtual void MoveToNextMatch() = 0;
};
// A wrapper of std::regex, converting std::regex_error exception into return value.
class RegEx {
public:
static std::unique_ptr<RegEx> Create(std::string_view pattern);
virtual ~RegEx() {}
const std::string& GetPattern() const { return pattern_; }
virtual bool Match(std::string_view s) const = 0;
virtual bool Search(std::string_view s) const = 0;
// Always return a not-null RegExMatch. If no match, RegExMatch->IsValid() is false.
virtual std::unique_ptr<RegExMatch> SearchAll(std::string_view s) const = 0;
virtual std::optional<std::string> Replace(const std::string& s,
const std::string& format) const = 0;
protected:
RegEx(std::string_view pattern) : pattern_(pattern) {}
std::string pattern_;
};
bool SearchInRegs(std::string_view s, const std::vector<std::unique_ptr<RegEx>>& regs);
} // namespace simpleperf
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