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/bin_to_hex.h | 224 +++++++++++++++++++++++++++++++++++ 1 file changed, 224 insertions(+) create mode 100644 deps/include/spdlog/fmt/bin_to_hex.h (limited to 'deps/include/spdlog/fmt/bin_to_hex.h') diff --git a/deps/include/spdlog/fmt/bin_to_hex.h b/deps/include/spdlog/fmt/bin_to_hex.h new file mode 100644 index 0000000..e6b9712 --- /dev/null +++ b/deps/include/spdlog/fmt/bin_to_hex.h @@ -0,0 +1,224 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +#include +#include + +#if defined(__has_include) + #if __has_include() + #include + #endif +#endif + +#if __cpp_lib_span >= 202002L + #include +#endif + +// +// Support for logging binary data as hex +// format flags, any combination of the following: +// {:X} - print in uppercase. +// {:s} - don't separate each byte with space. +// {:p} - don't print the position on each line start. +// {:n} - don't split the output to lines. +// {:a} - show ASCII if :n is not set + +// +// Examples: +// +// std::vector v(200, 0x0b); +// logger->info("Some buffer {}", spdlog::to_hex(v)); +// char buf[128]; +// logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf))); +// logger->info("Some buffer {:X}", spdlog::to_hex(std::begin(buf), std::end(buf), 16)); + +namespace spdlog { +namespace details { + +template +class dump_info { +public: + dump_info(It range_begin, It range_end, size_t size_per_line) + : begin_(range_begin), + end_(range_end), + size_per_line_(size_per_line) {} + + // do not use begin() and end() to avoid collision with fmt/ranges + It get_begin() const { return begin_; } + It get_end() const { return end_; } + size_t size_per_line() const { return size_per_line_; } + +private: + It begin_, end_; + size_t size_per_line_; +}; +} // namespace details + +// create a dump_info that wraps the given container +template +inline details::dump_info to_hex(const Container &container, + size_t size_per_line = 32) { + static_assert(sizeof(typename Container::value_type) == 1, + "sizeof(Container::value_type) != 1"); + using Iter = typename Container::const_iterator; + return details::dump_info(std::begin(container), std::end(container), size_per_line); +} + +#if __cpp_lib_span >= 202002L + +template +inline details::dump_info::iterator> to_hex( + const std::span &container, size_t size_per_line = 32) { + using Container = std::span; + static_assert(sizeof(typename Container::value_type) == 1, + "sizeof(Container::value_type) != 1"); + using Iter = typename Container::iterator; + return details::dump_info(std::begin(container), std::end(container), size_per_line); +} + +#endif + +// create dump_info from ranges +template +inline details::dump_info to_hex(const It range_begin, + const It range_end, + size_t size_per_line = 32) { + return details::dump_info(range_begin, range_end, size_per_line); +} + +} // namespace spdlog + +namespace +#ifdef SPDLOG_USE_STD_FORMAT + std +#else + fmt +#endif +{ + +template +struct formatter, char> { + const char delimiter = ' '; + bool put_newlines = true; + bool put_delimiters = true; + bool use_uppercase = false; + bool put_positions = true; // position on start of each line + bool show_ascii = false; + + // parse the format string flags + template + SPDLOG_CONSTEXPR_FUNC auto parse(ParseContext &ctx) -> decltype(ctx.begin()) { + auto it = ctx.begin(); + while (it != ctx.end() && *it != '}') { + switch (*it) { + case 'X': + use_uppercase = true; + break; + case 's': + put_delimiters = false; + break; + case 'p': + put_positions = false; + break; + case 'n': + put_newlines = false; + show_ascii = false; + break; + case 'a': + if (put_newlines) { + show_ascii = true; + } + break; + } + + ++it; + } + return it; + } + + // format the given bytes range as hex + template + auto format(const spdlog::details::dump_info &the_range, FormatContext &ctx) const + -> decltype(ctx.out()) { + SPDLOG_CONSTEXPR const char *hex_upper = "0123456789ABCDEF"; + SPDLOG_CONSTEXPR const char *hex_lower = "0123456789abcdef"; + const char *hex_chars = use_uppercase ? hex_upper : hex_lower; + +#if !defined(SPDLOG_USE_STD_FORMAT) && FMT_VERSION < 60000 + auto inserter = ctx.begin(); +#else + auto inserter = ctx.out(); +#endif + + int size_per_line = static_cast(the_range.size_per_line()); + auto start_of_line = the_range.get_begin(); + for (auto i = the_range.get_begin(); i != the_range.get_end(); i++) { + auto ch = static_cast(*i); + + if (put_newlines && + (i == the_range.get_begin() || i - start_of_line >= size_per_line)) { + if (show_ascii && i != the_range.get_begin()) { + *inserter++ = delimiter; + *inserter++ = delimiter; + for (auto j = start_of_line; j < i; j++) { + auto pc = static_cast(*j); + *inserter++ = std::isprint(pc) ? static_cast(*j) : '.'; + } + } + + put_newline(inserter, static_cast(i - the_range.get_begin())); + + // put first byte without delimiter in front of it + *inserter++ = hex_chars[(ch >> 4) & 0x0f]; + *inserter++ = hex_chars[ch & 0x0f]; + start_of_line = i; + continue; + } + + if (put_delimiters && i != the_range.get_begin()) { + *inserter++ = delimiter; + } + + *inserter++ = hex_chars[(ch >> 4) & 0x0f]; + *inserter++ = hex_chars[ch & 0x0f]; + } + if (show_ascii) // add ascii to last line + { + if (the_range.get_end() - the_range.get_begin() > size_per_line) { + auto blank_num = size_per_line - (the_range.get_end() - start_of_line); + while (blank_num-- > 0) { + *inserter++ = delimiter; + *inserter++ = delimiter; + if (put_delimiters) { + *inserter++ = delimiter; + } + } + } + *inserter++ = delimiter; + *inserter++ = delimiter; + for (auto j = start_of_line; j != the_range.get_end(); j++) { + auto pc = static_cast(*j); + *inserter++ = std::isprint(pc) ? static_cast(*j) : '.'; + } + } + return inserter; + } + + // put newline(and position header) + template + void put_newline(It inserter, std::size_t pos) const { +#ifdef _WIN32 + *inserter++ = '\r'; +#endif + *inserter++ = '\n'; + + if (put_positions) { + spdlog::fmt_lib::format_to(inserter, SPDLOG_FMT_STRING("{:04X}: "), pos); + } + } +}; +} // namespace std -- cgit