utility.hpp

Go to the documentation of this file.

#pragma once
 
#include <string>
#include <vector>
#include <unordered_map>
#include <map>
 
namespace gz::util {
    template<typename T>
    concept SplitStringInVectorImplemented = std::same_as<T, std::string_view> || std::same_as<T, std::string>;
 
    template<SplitStringInVectorImplemented T>
    std::vector<T> splitStringInVector(const std::string_view& s, const std::string& separator, bool skipEmptyStrings=false);
 
    struct string_hash
    {
        using hash_type = std::hash<std::string_view>;
        using is_transparent = void;
 
        size_t operator()(const char* str) const        { return hash_type{}(str); }
        size_t operator()(std::string_view str) const   { return hash_type{}(str); }
        size_t operator()(std::string const& str) const { return hash_type{}(str); }
    };
    template<typename T>
    using unordered_string_map = std::unordered_map<std::string, T, util::string_hash, std::equal_to<>>;
    template<typename T>
    using string_map = std::map<std::string, T, util::string_hash, std::equal_to<>>;
} // namespace gz::util