From 3bf42c6ff3805a0d42bbc661794a95ff31bedc26 Mon Sep 17 00:00:00 2001 From: untodesu Date: Sat, 15 Mar 2025 16:22:09 +0500 Subject: Add whatever I was working on for the last month --- deps/include/spdlog/fmt/bundled/ostream.h | 211 ++++++++++++++++++++++++++++++ 1 file changed, 211 insertions(+) create mode 100644 deps/include/spdlog/fmt/bundled/ostream.h (limited to 'deps/include/spdlog/fmt/bundled/ostream.h') diff --git a/deps/include/spdlog/fmt/bundled/ostream.h b/deps/include/spdlog/fmt/bundled/ostream.h new file mode 100644 index 0000000..986719a --- /dev/null +++ b/deps/include/spdlog/fmt/bundled/ostream.h @@ -0,0 +1,211 @@ +// Formatting library for C++ - std::ostream support +// +// Copyright (c) 2012 - present, Victor Zverovich +// All rights reserved. +// +// For the license information refer to format.h. + +#ifndef FMT_OSTREAM_H_ +#define FMT_OSTREAM_H_ + +#ifndef FMT_MODULE +# include // std::filebuf +#endif + +#ifdef _WIN32 +# ifdef __GLIBCXX__ +# include +# include +# endif +# include +#endif + +#include "chrono.h" // formatbuf + +FMT_BEGIN_NAMESPACE +namespace detail { + +// Generate a unique explicit instantion in every translation unit using a tag +// type in an anonymous namespace. +namespace { +struct file_access_tag {}; +} // namespace +template +class file_access { + friend auto get_file(BufType& obj) -> FILE* { return obj.*FileMemberPtr; } +}; + +#if FMT_MSC_VERSION +template class file_access; +auto get_file(std::filebuf&) -> FILE*; +#endif + +inline auto write_ostream_unicode(std::ostream& os, fmt::string_view data) + -> bool { + FILE* f = nullptr; +#if FMT_MSC_VERSION && FMT_USE_RTTI + if (auto* buf = dynamic_cast(os.rdbuf())) + f = get_file(*buf); + else + return false; +#elif defined(_WIN32) && defined(__GLIBCXX__) && FMT_USE_RTTI + auto* rdbuf = os.rdbuf(); + if (auto* sfbuf = dynamic_cast<__gnu_cxx::stdio_sync_filebuf*>(rdbuf)) + f = sfbuf->file(); + else if (auto* fbuf = dynamic_cast<__gnu_cxx::stdio_filebuf*>(rdbuf)) + f = fbuf->file(); + else + return false; +#else + ignore_unused(os, data, f); +#endif +#ifdef _WIN32 + if (f) { + int fd = _fileno(f); + if (_isatty(fd)) { + os.flush(); + return write_console(fd, data); + } + } +#endif + return false; +} +inline auto write_ostream_unicode(std::wostream&, + fmt::basic_string_view) -> bool { + return false; +} + +// Write the content of buf to os. +// It is a separate function rather than a part of vprint to simplify testing. +template +void write_buffer(std::basic_ostream& os, buffer& buf) { + const Char* buf_data = buf.data(); + using unsigned_streamsize = std::make_unsigned::type; + unsigned_streamsize size = buf.size(); + unsigned_streamsize max_size = to_unsigned(max_value()); + do { + unsigned_streamsize n = size <= max_size ? size : max_size; + os.write(buf_data, static_cast(n)); + buf_data += n; + size -= n; + } while (size != 0); +} + +template +void format_value(buffer& buf, const T& value) { + auto&& format_buf = formatbuf>(buf); + auto&& output = std::basic_ostream(&format_buf); +#if !defined(FMT_STATIC_THOUSANDS_SEPARATOR) + output.imbue(std::locale::classic()); // The default is always unlocalized. +#endif + output << value; + output.exceptions(std::ios_base::failbit | std::ios_base::badbit); +} + +template struct streamed_view { + const T& value; +}; + +} // namespace detail + +// Formats an object of type T that has an overloaded ostream operator<<. +template +struct basic_ostream_formatter : formatter, Char> { + void set_debug_format() = delete; + + template + auto format(const T& value, Context& ctx) const -> decltype(ctx.out()) { + auto buffer = basic_memory_buffer(); + detail::format_value(buffer, value); + return formatter, Char>::format( + {buffer.data(), buffer.size()}, ctx); + } +}; + +using ostream_formatter = basic_ostream_formatter; + +template +struct formatter, Char> + : basic_ostream_formatter { + template + auto format(detail::streamed_view view, Context& ctx) const + -> decltype(ctx.out()) { + return basic_ostream_formatter::format(view.value, ctx); + } +}; + +/** + * Returns a view that formats `value` via an ostream `operator<<`. + * + * **Example**: + * + * fmt::print("Current thread id: {}\n", + * fmt::streamed(std::this_thread::get_id())); + */ +template +constexpr auto streamed(const T& value) -> detail::streamed_view { + return {value}; +} + +namespace detail { + +inline void vprint_directly(std::ostream& os, string_view format_str, + format_args args) { + auto buffer = memory_buffer(); + detail::vformat_to(buffer, format_str, args); + detail::write_buffer(os, buffer); +} + +} // namespace detail + +FMT_EXPORT template +void vprint(std::basic_ostream& os, + basic_string_view> format_str, + typename detail::vformat_args::type args) { + auto buffer = basic_memory_buffer(); + detail::vformat_to(buffer, format_str, args); + if (detail::write_ostream_unicode(os, {buffer.data(), buffer.size()})) return; + detail::write_buffer(os, buffer); +} + +/** + * Prints formatted data to the stream `os`. + * + * **Example**: + * + * fmt::print(cerr, "Don't {}!", "panic"); + */ +FMT_EXPORT template +void print(std::ostream& os, format_string fmt, T&&... args) { + const auto& vargs = fmt::make_format_args(args...); + if (detail::use_utf8()) + vprint(os, fmt, vargs); + else + detail::vprint_directly(os, fmt, vargs); +} + +FMT_EXPORT +template +void print(std::wostream& os, + basic_format_string...> fmt, + Args&&... args) { + vprint(os, fmt, fmt::make_format_args>(args...)); +} + +FMT_EXPORT template +void println(std::ostream& os, format_string fmt, T&&... args) { + fmt::print(os, "{}\n", fmt::format(fmt, std::forward(args)...)); +} + +FMT_EXPORT +template +void println(std::wostream& os, + basic_format_string...> fmt, + Args&&... args) { + print(os, L"{}\n", fmt::format(fmt, std::forward(args)...)); +} + +FMT_END_NAMESPACE + +#endif // FMT_OSTREAM_H_ -- cgit