sol2/sol/string_shim.hpp

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#pragma once
#include <cstddef>
#include <string>
namespace sol {
namespace string_detail {
struct string_shim {
std::size_t s;
const char* p;
string_shim(std::string& r) : string_shim(r.data(), r.size()) {}
string_shim(const char* p) : string_shim(p, std::char_traits<char>::length(p)) {}
string_shim(const char* p, std::size_t s) : s(s), p(p) {}
static int compare(const char* lhs_p, std::size_t lhs_sz, const char* rhs_p, std::size_t rhs_sz) {
int result = std::char_traits<char>::compare(lhs_p, rhs_p, lhs_sz < rhs_sz ? lhs_sz : rhs_sz);
if (result != 0)
return result;
if (lhs_sz < rhs_sz)
return -1;
if (lhs_sz > rhs_sz)
return 1;
return 0;
}
const char* data() const {
return p;
}
std::size_t size() const {
return s;
}
bool operator==(const string_shim& r) const {
return compare(p, s, r.data(), r.size()) == 0;
}
bool operator==(const char* r) const {
return compare(r, std::char_traits<char>::length(r), p, s) == 0;
}
bool operator==(const std::string& r) const {
return compare(r.data(), r.size(), p, s) == 0;
}
};
}
}