86 lines
1.9 KiB
C++
86 lines
1.9 KiB
C++
//
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// Created by gabi on 6/15/18.
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//
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#pragma once
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// Some fmt helpers to efficiently format and pad ints and strings
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namespace spdlog {
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namespace details {
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namespace fmt_helper {
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inline void append_str(const std::string &str, fmt::memory_buffer &dest)
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{
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const char *str_ptr = str.data();
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dest.append(str_ptr, str_ptr + str.size());
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}
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inline void append_c_str(const char *c_str, fmt::memory_buffer &dest)
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{
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auto str_size = strlen(c_str);
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dest.append(c_str, c_str + str_size);
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}
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inline void append_buf(const fmt::memory_buffer &buf, fmt::memory_buffer &dest)
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{
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const char *buf_ptr = buf.data();
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dest.append(buf_ptr, buf_ptr + buf.size());
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}
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template<typename T>
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inline void append_int(T n, fmt::memory_buffer &dest)
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{
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fmt::format_int i(n);
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dest.append(i.data(), i.data() + i.size());
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}
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inline void pad2(int n, fmt::memory_buffer &dest)
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{
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if (n > 99)
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{
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append_int(n, dest);
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return;
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}
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if (n > 9) // 10-99
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{
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dest.push_back('0' + (n / 10));
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dest.push_back('0' + (n % 10));
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return;
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}
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if (n >= 0) // 0-9
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{
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dest.push_back('0');
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dest.push_back('0' + n);
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return;
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}
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// negatives (unlikely, but just in case, let fmt deal with it)
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fmt::format_to(dest, "{:02}", n);
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}
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inline void pad3(int n, fmt::memory_buffer &dest)
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{
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if (n > 99)
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{
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append_int(n, dest);
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return;
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}
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if (n > 9) // 10-99
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{
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dest.push_back('0');
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dest.push_back('0' + n / 10);
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dest.push_back('0' + n % 10);
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return;
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}
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if (n >= 0)
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{
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dest.push_back('0');
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dest.push_back('0');
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dest.push_back('0' + n);
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return;
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}
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// negatives (unlikely, but just in case let fmt deal with it)
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fmt::format_to(dest, "{:03}", n);
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}
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} // namespace fmt_helper
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} // namespace details
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} // namespace spdlog
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