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#ifndef regex_hh_INCLUDED
#define regex_hh_INCLUDED
#include "string.hh"
#ifdef KAK_USE_STDREGEX
#include <regex>
#else
#include <boost/regex.hpp>
#endif
namespace Kakoune
{
#ifdef KAK_USE_STDREGEX
// Regex that keeps track of its string representation
struct Regex : std::regex
{
Regex() = default;
explicit Regex(StringView re, flag_type flags = ECMAScript)
: std::regex(re.begin(), re.end(), flags), m_str(re) {}
template<typename Iterator>
Regex(Iterator begin, Iterator end, flag_type flags = ECMAScript)
: std::regex(begin, end, flags), m_str(begin, end) {}
bool empty() const { return m_str.empty(); }
bool operator==(const Regex& other) { return m_str == other.m_str; }
bool operator!=(const Regex& other) { return m_str != other.m_str; }
StringView str() const { return m_str; }
private:
String m_str;
};
namespace regex_ns = std;
#else
namespace regex_ns = boost;
using Regex = boost::regex;
#endif
template<typename Iterator>
using RegexIterator = regex_ns::regex_iterator<Iterator>;
template<typename Iterator>
using MatchResults = regex_ns::match_results<Iterator>;
using RegexError = regex_ns::regex_error;
String option_to_string(const Regex& re);
void option_from_string(StringView str, Regex& re);
}
#endif // regex_hh_INCLUDED
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