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Diffstat (limited to 'matching/include/spdlog/fmt/bundled/ostream.h')
-rw-r--r-- | matching/include/spdlog/fmt/bundled/ostream.h | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/matching/include/spdlog/fmt/bundled/ostream.h b/matching/include/spdlog/fmt/bundled/ostream.h deleted file mode 100644 index 84b31cc..0000000 --- a/matching/include/spdlog/fmt/bundled/ostream.h +++ /dev/null @@ -1,153 +0,0 @@ -// 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_ - -#include "format.h" -#include <ostream> - -FMT_BEGIN_NAMESPACE -namespace internal { - -template <class Char> -class formatbuf : public std::basic_streambuf<Char> { - private: - typedef typename std::basic_streambuf<Char>::int_type int_type; - typedef typename std::basic_streambuf<Char>::traits_type traits_type; - - basic_buffer<Char> &buffer_; - - public: - formatbuf(basic_buffer<Char> &buffer) : buffer_(buffer) {} - - protected: - // The put-area is actually always empty. This makes the implementation - // simpler and has the advantage that the streambuf and the buffer are always - // in sync and sputc never writes into uninitialized memory. The obvious - // disadvantage is that each call to sputc always results in a (virtual) call - // to overflow. There is no disadvantage here for sputn since this always - // results in a call to xsputn. - - int_type overflow(int_type ch = traits_type::eof()) FMT_OVERRIDE { - if (!traits_type::eq_int_type(ch, traits_type::eof())) - buffer_.push_back(static_cast<Char>(ch)); - return ch; - } - - std::streamsize xsputn(const Char *s, std::streamsize count) FMT_OVERRIDE { - buffer_.append(s, s + count); - return count; - } -}; - -template <typename Char> -struct test_stream : std::basic_ostream<Char> { - private: - struct null; - // Hide all operator<< from std::basic_ostream<Char>. - void operator<<(null); -}; - -// Checks if T has a user-defined operator<< (e.g. not a member of std::ostream). -template <typename T, typename Char> -class is_streamable { - private: - template <typename U> - static decltype( - internal::declval<test_stream<Char>&>() - << internal::declval<U>(), std::true_type()) test(int); - - template <typename> - static std::false_type test(...); - - typedef decltype(test<T>(0)) result; - - public: - static const bool value = result::value; -}; - -// Write the content of buf to os. -template <typename Char> -void write(std::basic_ostream<Char> &os, basic_buffer<Char> &buf) { - const Char *data = buf.data(); - typedef std::make_unsigned<std::streamsize>::type UnsignedStreamSize; - UnsignedStreamSize size = buf.size(); - UnsignedStreamSize max_size = - internal::to_unsigned((std::numeric_limits<std::streamsize>::max)()); - do { - UnsignedStreamSize n = size <= max_size ? size : max_size; - os.write(data, static_cast<std::streamsize>(n)); - data += n; - size -= n; - } while (size != 0); -} - -template <typename Char, typename T> -void format_value(basic_buffer<Char> &buffer, const T &value) { - internal::formatbuf<Char> format_buf(buffer); - std::basic_ostream<Char> output(&format_buf); - output.exceptions(std::ios_base::failbit | std::ios_base::badbit); - output << value; - buffer.resize(buffer.size()); -} -} // namespace internal - -// Disable conversion to int if T has an overloaded operator<< which is a free -// function (not a member of std::ostream). -template <typename T, typename Char> -struct convert_to_int<T, Char, void> { - static const bool value = - convert_to_int<T, Char, int>::value && - !internal::is_streamable<T, Char>::value; -}; - -// Formats an object of type T that has an overloaded ostream operator<<. -template <typename T, typename Char> -struct formatter<T, Char, - typename std::enable_if< - internal::is_streamable<T, Char>::value && - !internal::format_type< - typename buffer_context<Char>::type, T>::value>::type> - : formatter<basic_string_view<Char>, Char> { - - template <typename Context> - auto format(const T &value, Context &ctx) -> decltype(ctx.out()) { - basic_memory_buffer<Char> buffer; - internal::format_value(buffer, value); - basic_string_view<Char> str(buffer.data(), buffer.size()); - return formatter<basic_string_view<Char>, Char>::format(str, ctx); - } -}; - -template <typename Char> -inline void vprint(std::basic_ostream<Char> &os, - basic_string_view<Char> format_str, - basic_format_args<typename buffer_context<Char>::type> args) { - basic_memory_buffer<Char> buffer; - internal::vformat_to(buffer, format_str, args); - internal::write(os, buffer); -} -/** - \rst - Prints formatted data to the stream *os*. - - **Example**:: - - fmt::print(cerr, "Don't {}!", "panic"); - \endrst - */ -template <typename S, typename... Args> -inline typename std::enable_if<internal::is_string<S>::value>::type -print(std::basic_ostream<FMT_CHAR(S)> &os, const S &format_str, - const Args & ... args) { - internal::checked_args<S, Args...> ca(format_str, args...); - vprint(os, to_string_view(format_str), *ca); -} -FMT_END_NAMESPACE - -#endif // FMT_OSTREAM_H_ |