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41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
// HARFANG(R) Copyright (C) 2021 Emmanuel Julien, NWNC HARFANG. Released under GPL/LGPL/Commercial Licence, see licence.txt for details.
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#pragma once
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#include <string>
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namespace hg {
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std::string to_string(void *v);
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std::string to_string(const void *v);
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inline std::string to_string(const std::string &v) { return v; }
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inline std::string to_string(const char *v) { return v ? v : "(nullptr)"; }
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template <typename T> std::string to_string(T v) { return std::to_string(v); }
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/// String formatting class
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struct format {
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explicit format(std::string _text) : text(std::move(_text)) {}
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explicit format(const char *_text) : text(_text) {}
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operator const std::string &() const { return text; }
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operator const char *() const { return text.c_str(); }
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const char *c_str() const { return text.c_str(); }
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const std::string &str() const { return text; }
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template <typename T> format &arg(const T &v) { return replace_next_token(to_string(v)); }
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format &arg(int v, int width, char fill = '0');
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format &arg(float v, int precision);
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private:
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format &replace_next_token(const std::string &by);
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std::string text;
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int i{1};
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};
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} // namespace hg
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