QtLoggerFmt.h

 
#pragma once
 
template <>
struct fmt::formatter<QString> {
  // Parses format specifications.
  constexpr auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
    return ctx.begin();
  }
 
  // Formats the QString qstr and writes it to the output.
  template <typename FormatContext>
  auto format(const QString& qstr, FormatContext& ctx) const
      -> decltype(ctx.out()) {
    // Convert QString to UTF-8 QString (to handle Unicode characters
    // correctly)
    QByteArray utf8_array = qstr.toUtf8();
    return fmt::format_to(ctx.out(), "{}", utf8_array.constData());
  }
};
 
template <>
struct fmt::formatter<QByteArray> {
  // Parses format specifications.
  constexpr auto parse(format_parse_context& ctx) -> decltype(ctx.begin()) {
    return ctx.begin();
  }
 
  // Formats the QString qstr and writes it to the output.
  template <typename FormatContext>
  auto format(const QByteArray& qarray, FormatContext& ctx) const
      -> decltype(ctx.out()) {
    // Convert QString to UTF-8 QString (to handle Unicode characters
    // correctly)
    return fmt::format_to(ctx.out(), "{}", qarray.constData());
  }
};