jeanlemotan
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
#pragma once
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#include <format>
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#include "tl/detail/prologue.h"
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#include <tl/fixed_vector.h>
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#include "tl/string.h"
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#include "string.h"
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namespace tl
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{
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template <typename DST>
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constexpr DST format() noexcept
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{
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return DST();
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}
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template <typename DST, typename... Args>
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constexpr DST format(std::format_string<Args...> format_str, Args&&... args) noexcept
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{
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DST buffer;
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std::format_to(std::back_inserter(buffer), format_str, std::forward<Args>(args)...);
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return buffer;
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}
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template <typename DST, typename... Args>
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constexpr DST& format_append(DST& dst, std::format_string<Args...> format_str, Args&&... args) noexcept
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{
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std::format_to(std::back_inserter(dst), format_str, std::forward<Args>(args)...);
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return dst;
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}
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//template <typename DST, typename S>
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//constexpr DST format(const S& format_str) noexcept
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//{
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// return DST(format_str);
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//}
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template <typename... Args>
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tl::string format(std::format_string<Args...> format_str, Args&&... args) noexcept
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{
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tl::fixed_vector<char, 1024> buffer;
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std::format_to(std::back_inserter(buffer), format_str, std::forward<Args>(args)...);
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return tl::string(buffer.data(), buffer.size());
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}
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template <typename... Args>
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tl::string& format_append(tl::string& dst, std::format_string<Args...> format_str, Args&&... args) noexcept
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{
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tl::fixed_vector<char, 1024> buffer(dst.size());
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if (!dst.empty())
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memcpy(buffer.data(), dst.data(), dst.size());
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std::format_to(std::back_inserter(buffer), format_str, std::forward<Args>(args)...);
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dst = tl::string(buffer.data(), buffer.size());
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return dst;
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}
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} |