104 lines
2 KiB
C++
104 lines
2 KiB
C++
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#ifndef __x_to_string_h__
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#define __x_to_string_h__
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#include <string>
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#include <vector>
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#include <array>
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#include <tuple>
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namespace MultiArrayHelper
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{
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template <typename T>
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inline std::string xToString(const T& x);
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template <>
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inline std::string xToString<char>(const char& x);
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template <>
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inline std::string xToString<std::string>(const std::string& x);
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template <typename T>
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inline std::string xToString(const std::vector<T>& x);
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template <typename T, size_t N>
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inline std::string xToString(const std::array<T,N>& x);
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template <typename... Ts>
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inline std::string xToString(const std::tuple<Ts...>& tp);
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// TEMPLATE CODE
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template <typename T>
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inline std::string xToString(const T& x)
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{
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return std::to_string(x);
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}
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template <size_t N>
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struct TupleToString
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{
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template <typename... Ts>
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static inline std::string mk(const std::tuple<Ts...>& tp)
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{
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return TupleToString<N-1>::mk(tp) + " , " + xToString(std::get<N>(tp));
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}
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};
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template <>
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struct TupleToString<0>
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{
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template <typename... Ts>
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static inline std::string mk(const std::tuple<Ts...>& tp)
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{
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return xToString(std::get<0>(tp));
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}
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};
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template <>
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inline std::string xToString<char>(const char& x)
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{
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std::string out = "";
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return out += x;
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}
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template <>
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inline std::string xToString<std::string>(const std::string& x)
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{
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return x;
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}
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template <typename T>
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inline std::string xToString(const std::vector<T>& x)
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{
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std::string out = "[ ";
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for(auto& y: x){
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out += xToString(y) + " , ";
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}
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out.pop_back();
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out.back() = ']';
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return out;
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}
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template <typename T, size_t N>
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inline std::string xToString(const std::array<T,N>& x)
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{
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std::string out = "[ ";
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for(auto& y: x){
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out += xToString(y) + " , ";
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}
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out.pop_back();
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out.back() = ']';
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return out;
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}
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template <typename... Ts>
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inline std::string xToString(const std::tuple<Ts...>& tp)
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{
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return "{ " + TupleToString<sizeof...(Ts)-1>::mk(tp) + " }";
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}
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}
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#endif
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