18 lines
567 B
C++
18 lines
567 B
C++
#pragma once
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#include <string>
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#include <memory>
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#include <stdexcept>
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template <typename... Args>
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std::string Format(const std::string &format, Args... args)
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{
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int size = snprintf(nullptr, 0, format.c_str(), args...) + 1; // Extra space for '\0'
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if (size <= 0)
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{
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throw std::runtime_error("Error during formatting.");
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}
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std::unique_ptr<char[]> buf(new char[size]);
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snprintf(buf.get(), static_cast<std::size_t>(size), format.c_str(), args...);
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return std::string(buf.get(), buf.get() + size - 1); // We don't want the '\0' inside
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} |