38 lines
913 B
C++
38 lines
913 B
C++
#pragma once
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#include <optional>
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#include <regex.h>
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#include <string>
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#include <vector>
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#include "sedpp/Options.h"
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namespace sedpp {
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struct Match {
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std::vector<regmatch_t> groups;
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};
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// Small RAII wrapper for POSIX regex_t. POSIX regex reports match offsets
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// relative to the searched pointer, so search() rebases groups to the original
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// subject string before returning.
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class Regex {
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public:
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Regex(const std::string &pattern, const Options &options,
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bool ignoreCase = false, bool multiline = false);
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Regex(const Regex &) = delete;
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Regex &operator=(const Regex &) = delete;
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Regex(Regex &&other) noexcept;
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Regex &operator=(Regex &&other) noexcept;
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~Regex();
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[[nodiscard]] std::optional<Match> search(const std::string &text,
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std::size_t start = 0) const;
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private:
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regex_t regex_{};
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bool compiled_ = false;
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};
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} // namespace sedpp
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