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Fixes #179 (#180)

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This commit is contained in:
Ross Jacobs
2020-04-20 22:59:20 -07:00
committed by GitHub
parent 36257cbfe4
commit 5860c5c80b
50 changed files with 10078 additions and 8095 deletions
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2
third_party/spdlog/include/spdlog/details/fmt_helper.h vendored
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@ -74,7 +74,7 @@ template<typename T>
inline void pad3(T n, memory_buf_t &dest)
{
static_assert(std::is_unsigned<T>::value, "pad3 must get unsigned T");
if(n < 1000)
if (n < 1000)
{
dest.push_back(static_cast<char>(n / 100 + '0'));
n = n % 100;

2110
third_party/spdlog/include/spdlog/fmt/bundled/chrono.h vendored
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963
third_party/spdlog/include/spdlog/fmt/bundled/color.h vendored
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949
third_party/spdlog/include/spdlog/fmt/bundled/compile.h vendored
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2245
third_party/spdlog/include/spdlog/fmt/bundled/core.h vendored
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2551
third_party/spdlog/include/spdlog/fmt/bundled/format-inl.h vendored
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5946
third_party/spdlog/include/spdlog/fmt/bundled/format.h vendored
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81
third_party/spdlog/include/spdlog/fmt/bundled/locale.h vendored
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@ -14,64 +14,53 @@
FMT_BEGIN_NAMESPACE
namespace internal {
template <typename Char>
template<typename Char>
typename buffer_context<Char>::iterator vformat_to(
const std::locale& loc, buffer<Char>& buf,
basic_string_view<Char> format_str,
basic_format_args<buffer_context<Char>> args) {
using range = buffer_range<Char>;
return vformat_to<arg_formatter<range>>(buf, to_string_view(format_str), args,
internal::locale_ref(loc));
const std::locale &loc, buffer<Char> &buf, basic_string_view<Char> format_str, basic_format_args<buffer_context<Char>> args)
{
using range = buffer_range<Char>;
return vformat_to<arg_formatter<range>>(buf, to_string_view(format_str), args, internal::locale_ref(loc));
}
template <typename Char>
std::basic_string<Char> vformat(const std::locale& loc,
basic_string_view<Char> format_str,
basic_format_args<buffer_context<Char>> args) {
basic_memory_buffer<Char> buffer;
internal::vformat_to(loc, buffer, format_str, args);
return fmt::to_string(buffer);
template<typename Char>
std::basic_string<Char> vformat(const std::locale &loc, basic_string_view<Char> format_str, basic_format_args<buffer_context<Char>> args)
{
basic_memory_buffer<Char> buffer;
internal::vformat_to(loc, buffer, format_str, args);
return fmt::to_string(buffer);
}
} // namespace internal
} // namespace internal
template <typename S, typename Char = char_t<S>>
inline std::basic_string<Char> vformat(
const std::locale& loc, const S& format_str,
basic_format_args<buffer_context<Char>> args) {
return internal::vformat(loc, to_string_view(format_str), args);
template<typename S, typename Char = char_t<S>>
inline std::basic_string<Char> vformat(const std::locale &loc, const S &format_str, basic_format_args<buffer_context<Char>> args)
{
return internal::vformat(loc, to_string_view(format_str), args);
}
template <typename S, typename... Args, typename Char = char_t<S>>
inline std::basic_string<Char> format(const std::locale& loc,
const S& format_str, Args&&... args) {
return internal::vformat(
loc, to_string_view(format_str),
{internal::make_args_checked<Args...>(format_str, args...)});
template<typename S, typename... Args, typename Char = char_t<S>>
inline std::basic_string<Char> format(const std::locale &loc, const S &format_str, Args &&... args)
{
return internal::vformat(loc, to_string_view(format_str), {internal::make_args_checked<Args...>(format_str, args...)});
}
template <typename S, typename OutputIt, typename... Args,
typename Char = enable_if_t<
internal::is_output_iterator<OutputIt>::value, char_t<S>>>
inline OutputIt vformat_to(OutputIt out, const std::locale& loc,
const S& format_str,
format_args_t<OutputIt, Char> args) {
using range = internal::output_range<OutputIt, Char>;
return vformat_to<arg_formatter<range>>(
range(out), to_string_view(format_str), args, internal::locale_ref(loc));
template<typename S, typename OutputIt, typename... Args,
typename Char = enable_if_t<internal::is_output_iterator<OutputIt>::value, char_t<S>>>
inline OutputIt vformat_to(OutputIt out, const std::locale &loc, const S &format_str, format_args_t<OutputIt, Char> args)
{
using range = internal::output_range<OutputIt, Char>;
return vformat_to<arg_formatter<range>>(range(out), to_string_view(format_str), args, internal::locale_ref(loc));
}
template <typename OutputIt, typename S, typename... Args,
FMT_ENABLE_IF(internal::is_output_iterator<OutputIt>::value&&
internal::is_string<S>::value)>
inline OutputIt format_to(OutputIt out, const std::locale& loc,
const S& format_str, Args&&... args) {
internal::check_format_string<Args...>(format_str);
using context = format_context_t<OutputIt, char_t<S>>;
format_arg_store<context, Args...> as{args...};
return vformat_to(out, loc, to_string_view(format_str),
basic_format_args<context>(as));
template<typename OutputIt, typename S, typename... Args,
FMT_ENABLE_IF(internal::is_output_iterator<OutputIt>::value &&internal::is_string<S>::value)>
inline OutputIt format_to(OutputIt out, const std::locale &loc, const S &format_str, Args &&... args)
{
internal::check_format_string<Args...>(format_str);
using context = format_context_t<OutputIt, char_t<S>>;
format_arg_store<context, Args...> as{args...};
return vformat_to(out, loc, to_string_view(format_str), basic_format_args<context>(as));
}
FMT_END_NAMESPACE
#endif // FMT_LOCALE_H_
#endif // FMT_LOCALE_H_

182
third_party/spdlog/include/spdlog/fmt/bundled/ostream.h vendored
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@ -14,111 +14,122 @@
FMT_BEGIN_NAMESPACE
namespace internal {
template <class Char> class formatbuf : public std::basic_streambuf<Char> {
private:
using int_type = typename std::basic_streambuf<Char>::int_type;
using traits_type = typename std::basic_streambuf<Char>::traits_type;
template<class Char>
class formatbuf : public std::basic_streambuf<Char>
{
private:
using int_type = typename std::basic_streambuf<Char>::int_type;
using traits_type = typename std::basic_streambuf<Char>::traits_type;
buffer<Char>& buffer_;
buffer<Char> &buffer_;
public:
formatbuf(buffer<Char>& buf) : buffer_(buf) {}
public:
formatbuf(buffer<Char> &buf)
: buffer_(buf)
{}
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.
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;
}
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;
}
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:
// Hide all operator<< from std::basic_ostream<Char>.
void_t<> operator<<(null<>);
void_t<> operator<<(const Char*);
template<typename Char>
struct test_stream : std::basic_ostream<Char>
{
private:
// Hide all operator<< from std::basic_ostream<Char>.
void_t<> operator<<(null<>);
void_t<> operator<<(const Char *);
template <typename T, FMT_ENABLE_IF(std::is_convertible<T, int>::value &&
!std::is_enum<T>::value)>
void_t<> operator<<(T);
template<typename T, FMT_ENABLE_IF(std::is_convertible<T, int>::value && !std::is_enum<T>::value)>
void_t<> operator<<(T);
};
// 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 bool_constant<!std::is_same<decltype(std::declval<test_stream<Char>&>()
<< std::declval<U>()),
void_t<>>::value>
test(int);
template<typename T, typename Char>
class is_streamable
{
private:
template<typename U>
static bool_constant<!std::is_same<decltype(std::declval<test_stream<Char> &>() << std::declval<U>()), void_t<>>::value> test(int);
template <typename> static std::false_type test(...);
template<typename>
static std::false_type test(...);
using result = decltype(test<T>(0));
using result = decltype(test<T>(0));
public:
static const bool value = result::value;
public:
static const bool value = result::value;
};
// Write the content of buf to os.
template <typename Char>
void write(std::basic_ostream<Char>& os, buffer<Char>& buf) {
const Char* buf_data = buf.data();
using unsigned_streamsize = std::make_unsigned<std::streamsize>::type;
unsigned_streamsize size = buf.size();
unsigned_streamsize max_size = to_unsigned(max_value<std::streamsize>());
do {
unsigned_streamsize n = size <= max_size ? size : max_size;
os.write(buf_data, static_cast<std::streamsize>(n));
buf_data += n;
size -= n;
} while (size != 0);
template<typename Char>
void write(std::basic_ostream<Char> &os, buffer<Char> &buf)
{
const Char *buf_data = buf.data();
using unsigned_streamsize = std::make_unsigned<std::streamsize>::type;
unsigned_streamsize size = buf.size();
unsigned_streamsize max_size = to_unsigned(max_value<std::streamsize>());
do
{
unsigned_streamsize n = size <= max_size ? size : max_size;
os.write(buf_data, static_cast<std::streamsize>(n));
buf_data += n;
size -= n;
} while (size != 0);
}
template <typename Char, typename T>
void format_value(buffer<Char>& buf, const T& value,
locale_ref loc = locale_ref()) {
formatbuf<Char> format_buf(buf);
std::basic_ostream<Char> output(&format_buf);
if (loc) output.imbue(loc.get<std::locale>());
output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
output << value;
buf.resize(buf.size());
template<typename Char, typename T>
void format_value(buffer<Char> &buf, const T &value, locale_ref loc = locale_ref())
{
formatbuf<Char> format_buf(buf);
std::basic_ostream<Char> output(&format_buf);
if (loc)
output.imbue(loc.get<std::locale>());
output.exceptions(std::ios_base::failbit | std::ios_base::badbit);
output << value;
buf.resize(buf.size());
}
// Formats an object of type T that has an overloaded ostream operator<<.
template <typename T, typename Char>
struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>>
: formatter<basic_string_view<Char>, Char> {
template <typename Context>
auto format(const T& value, Context& ctx) -> decltype(ctx.out()) {
basic_memory_buffer<Char> buffer;
format_value(buffer, value, ctx.locale());
basic_string_view<Char> str(buffer.data(), buffer.size());
return formatter<basic_string_view<Char>, Char>::format(str, ctx);
}
template<typename T, typename Char>
struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>> : formatter<basic_string_view<Char>, Char>
{
template<typename Context>
auto format(const T &value, Context &ctx) -> decltype(ctx.out())
{
basic_memory_buffer<Char> buffer;
format_value(buffer, value, ctx.locale());
basic_string_view<Char> str(buffer.data(), buffer.size());
return formatter<basic_string_view<Char>, Char>::format(str, ctx);
}
};
} // namespace internal
} // namespace internal
template <typename Char>
void vprint(std::basic_ostream<Char>& os, basic_string_view<Char> format_str,
basic_format_args<buffer_context<Char>> args) {
basic_memory_buffer<Char> buffer;
internal::vformat_to(buffer, format_str, args);
internal::write(os, buffer);
template<typename Char>
void vprint(std::basic_ostream<Char> &os, basic_string_view<Char> format_str, basic_format_args<buffer_context<Char>> args)
{
basic_memory_buffer<Char> buffer;
internal::vformat_to(buffer, format_str, args);
internal::write(os, buffer);
}
/**
@ -130,12 +141,11 @@ void vprint(std::basic_ostream<Char>& os, basic_string_view<Char> format_str,
fmt::print(cerr, "Don't {}!", "panic");
\endrst
*/
template <typename S, typename... Args,
typename Char = enable_if_t<internal::is_string<S>::value, char_t<S>>>
void print(std::basic_ostream<Char>& os, const S& format_str, Args&&... args) {
vprint(os, to_string_view(format_str),
{internal::make_args_checked<Args...>(format_str, args...)});
template<typename S, typename... Args, typename Char = enable_if_t<internal::is_string<S>::value, char_t<S>>>
void print(std::basic_ostream<Char> &os, const S &format_str, Args &&... args)
{
vprint(os, to_string_view(format_str), {internal::make_args_checked<Args...>(format_str, args...)});
}
FMT_END_NAMESPACE
#endif // FMT_OSTREAM_H_
#endif // FMT_OSTREAM_H_

397
third_party/spdlog/include/spdlog/fmt/bundled/posix.h vendored
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@ -10,65 +10,65 @@
#if defined(__MINGW32__) || defined(__CYGWIN__)
// Workaround MinGW bug https://sourceforge.net/p/mingw/bugs/2024/.
# undef __STRICT_ANSI__
#undef __STRICT_ANSI__
#endif
#include <cerrno>
#include <clocale> // for locale_t
#include <clocale> // for locale_t
#include <cstdio>
#include <cstdlib> // for strtod_l
#include <cstdlib> // for strtod_l
#include <cstddef>
#if defined __APPLE__ || defined(__FreeBSD__)
# include <xlocale.h> // for LC_NUMERIC_MASK on OS X
#include <xlocale.h> // for LC_NUMERIC_MASK on OS X
#endif
#include "format.h"
// UWP doesn't provide _pipe.
#if FMT_HAS_INCLUDE("winapifamily.h")
# include <winapifamily.h>
#include <winapifamily.h>
#endif
#if FMT_HAS_INCLUDE("fcntl.h") && \
(!defined(WINAPI_FAMILY) || (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP))
# include <fcntl.h> // for O_RDONLY
# define FMT_USE_FCNTL 1
#if FMT_HAS_INCLUDE("fcntl.h") && (!defined(WINAPI_FAMILY) || (WINAPI_FAMILY == WINAPI_FAMILY_DESKTOP_APP))
#include <fcntl.h> // for O_RDONLY
#define FMT_USE_FCNTL 1
#else
# define FMT_USE_FCNTL 0
#define FMT_USE_FCNTL 0
#endif
#ifndef FMT_POSIX
# if defined(_WIN32) && !defined(__MINGW32__)
#if defined(_WIN32) && !defined(__MINGW32__)
// Fix warnings about deprecated symbols.
# define FMT_POSIX(call) _##call
# else
# define FMT_POSIX(call) call
# endif
#define FMT_POSIX(call) _##call
#else
#define FMT_POSIX(call) call
#endif
#endif
// Calls to system functions are wrapped in FMT_SYSTEM for testability.
#ifdef FMT_SYSTEM
# define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
#define FMT_POSIX_CALL(call) FMT_SYSTEM(call)
#else
# define FMT_SYSTEM(call) call
# ifdef _WIN32
#define FMT_SYSTEM(call) call
#ifdef _WIN32
// Fix warnings about deprecated symbols.
# define FMT_POSIX_CALL(call) ::_##call
# else
# define FMT_POSIX_CALL(call) ::call
# endif
#define FMT_POSIX_CALL(call) ::_##call
#else
#define FMT_POSIX_CALL(call) ::call
#endif
#endif
// Retries the expression while it evaluates to error_result and errno
// equals to EINTR.
#ifndef _WIN32
# define FMT_RETRY_VAL(result, expression, error_result) \
do { \
(result) = (expression); \
#define FMT_RETRY_VAL(result, expression, error_result) \
do \
{ \
(result) = (expression); \
} while ((result) == (error_result) && errno == EINTR)
#else
# define FMT_RETRY_VAL(result, expression, error_result) result = (expression)
#define FMT_RETRY_VAL(result, expression, error_result) result = (expression)
#endif
#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
@ -100,91 +100,114 @@ FMT_BEGIN_NAMESPACE
format(std::string("{}"), 42);
\endrst
*/
template <typename Char> class basic_cstring_view {
private:
const Char* data_;
template<typename Char>
class basic_cstring_view
{
private:
const Char *data_;
public:
/** Constructs a string reference object from a C string. */
basic_cstring_view(const Char* s) : data_(s) {}
public:
/** Constructs a string reference object from a C string. */
basic_cstring_view(const Char *s)
: data_(s)
{}
/**
\rst
Constructs a string reference from an ``std::string`` object.
\endrst
*/
basic_cstring_view(const std::basic_string<Char>& s) : data_(s.c_str()) {}
/**
\rst
Constructs a string reference from an ``std::string`` object.
\endrst
*/
basic_cstring_view(const std::basic_string<Char> &s)
: data_(s.c_str())
{}
/** Returns the pointer to a C string. */
const Char* c_str() const { return data_; }
/** Returns the pointer to a C string. */
const Char *c_str() const
{
return data_;
}
};
using cstring_view = basic_cstring_view<char>;
using wcstring_view = basic_cstring_view<wchar_t>;
// An error code.
class error_code {
private:
int value_;
class error_code
{
private:
int value_;
public:
explicit error_code(int value = 0) FMT_NOEXCEPT : value_(value) {}
public:
explicit error_code(int value = 0) FMT_NOEXCEPT : value_(value) {}
int get() const FMT_NOEXCEPT { return value_; }
int get() const FMT_NOEXCEPT
{
return value_;
}
};
// A buffered file.
class buffered_file {
private:
FILE* file_;
class buffered_file
{
private:
FILE *file_;
friend class file;
friend class file;
explicit buffered_file(FILE* f) : file_(f) {}
explicit buffered_file(FILE *f)
: file_(f)
{}
public:
buffered_file(const buffered_file&) = delete;
void operator=(const buffered_file&) = delete;
public:
buffered_file(const buffered_file &) = delete;
void operator=(const buffered_file &) = delete;
// Constructs a buffered_file object which doesn't represent any file.
buffered_file() FMT_NOEXCEPT : file_(nullptr) {}
// Constructs a buffered_file object which doesn't represent any file.
buffered_file() FMT_NOEXCEPT : file_(nullptr) {}
// Destroys the object closing the file it represents if any.
FMT_API ~buffered_file() FMT_NOEXCEPT;
// Destroys the object closing the file it represents if any.
FMT_API ~buffered_file() FMT_NOEXCEPT;
public:
buffered_file(buffered_file&& other) FMT_NOEXCEPT : file_(other.file_) {
other.file_ = nullptr;
}
public:
buffered_file(buffered_file &&other) FMT_NOEXCEPT : file_(other.file_)
{
other.file_ = nullptr;
}
buffered_file& operator=(buffered_file&& other) {
close();
file_ = other.file_;
other.file_ = nullptr;
return *this;
}
buffered_file &operator=(buffered_file &&other)
{
close();
file_ = other.file_;
other.file_ = nullptr;
return *this;
}
// Opens a file.
FMT_API buffered_file(cstring_view filename, cstring_view mode);
// Opens a file.
FMT_API buffered_file(cstring_view filename, cstring_view mode);
// Closes the file.
FMT_API void close();
// Closes the file.
FMT_API void close();
// Returns the pointer to a FILE object representing this file.
FILE* get() const FMT_NOEXCEPT { return file_; }
// Returns the pointer to a FILE object representing this file.
FILE *get() const FMT_NOEXCEPT
{
return file_;
}
// We place parentheses around fileno to workaround a bug in some versions
// of MinGW that define fileno as a macro.
FMT_API int(fileno)() const;
// We place parentheses around fileno to workaround a bug in some versions
// of MinGW that define fileno as a macro.
FMT_API int(fileno)() const;
void vprint(string_view format_str, format_args args) {
fmt::vprint(file_, format_str, args);
}
void vprint(string_view format_str, format_args args)
{
fmt::vprint(file_, format_str, args);
}
template <typename... Args>
inline void print(string_view format_str, const Args&... args) {
vprint(format_str, make_format_args(args...));
}
template<typename... Args>
inline void print(string_view format_str, const Args &... args)
{
vprint(format_str, make_format_args(args...));
}
};
#if FMT_USE_FCNTL
@ -194,128 +217,158 @@ class buffered_file {
// closing the file multiple times will cause a crash on Windows rather
// than an exception. You can get standard behavior by overriding the
// invalid parameter handler with _set_invalid_parameter_handler.
class file {
private:
int fd_; // File descriptor.
class file
{
private:
int fd_; // File descriptor.
// Constructs a file object with a given descriptor.
explicit file(int fd) : fd_(fd) {}
// Constructs a file object with a given descriptor.
explicit file(int fd)
: fd_(fd)
{}
public:
// Possible values for the oflag argument to the constructor.
enum {
RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing.
};
public:
// Possible values for the oflag argument to the constructor.
enum
{
RDONLY = FMT_POSIX(O_RDONLY), // Open for reading only.
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
RDWR = FMT_POSIX(O_RDWR) // Open for reading and writing.
};
// Constructs a file object which doesn't represent any file.
file() FMT_NOEXCEPT : fd_(-1) {}
// Constructs a file object which doesn't represent any file.
file() FMT_NOEXCEPT : fd_(-1) {}
// Opens a file and constructs a file object representing this file.
FMT_API file(cstring_view path, int oflag);
// Opens a file and constructs a file object representing this file.
FMT_API file(cstring_view path, int oflag);
public:
file(const file&) = delete;
void operator=(const file&) = delete;
public:
file(const file &) = delete;
void operator=(const file &) = delete;
file(file&& other) FMT_NOEXCEPT : fd_(other.fd_) { other.fd_ = -1; }
file(file &&other) FMT_NOEXCEPT : fd_(other.fd_)
{
other.fd_ = -1;
}
file& operator=(file&& other) FMT_NOEXCEPT {
close();
fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
file &operator=(file &&other) FMT_NOEXCEPT
{
close();
fd_ = other.fd_;
other.fd_ = -1;
return *this;
}
// Destroys the object closing the file it represents if any.
FMT_API ~file() FMT_NOEXCEPT;
// Destroys the object closing the file it represents if any.
FMT_API ~file() FMT_NOEXCEPT;
// Returns the file descriptor.
int descriptor() const FMT_NOEXCEPT { return fd_; }
// Returns the file descriptor.
int descriptor() const FMT_NOEXCEPT
{
return fd_;
}
// Closes the file.
FMT_API void close();
// Closes the file.
FMT_API void close();
// Returns the file size. The size has signed type for consistency with
// stat::st_size.
FMT_API long long size() const;
// Returns the file size. The size has signed type for consistency with
// stat::st_size.
FMT_API long long size() const;
// Attempts to read count bytes from the file into the specified buffer.
FMT_API std::size_t read(void* buffer, std::size_t count);
// Attempts to read count bytes from the file into the specified buffer.
FMT_API std::size_t read(void *buffer, std::size_t count);
// Attempts to write count bytes from the specified buffer to the file.
FMT_API std::size_t write(const void* buffer, std::size_t count);
// Attempts to write count bytes from the specified buffer to the file.
FMT_API std::size_t write(const void *buffer, std::size_t count);
// Duplicates a file descriptor with the dup function and returns
// the duplicate as a file object.
FMT_API static file dup(int fd);
// Duplicates a file descriptor with the dup function and returns
// the duplicate as a file object.
FMT_API static file dup(int fd);
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
FMT_API void dup2(int fd);
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
FMT_API void dup2(int fd);
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
FMT_API void dup2(int fd, error_code& ec) FMT_NOEXCEPT;
// Makes fd be the copy of this file descriptor, closing fd first if
// necessary.
FMT_API void dup2(int fd, error_code &ec) FMT_NOEXCEPT;
// Creates a pipe setting up read_end and write_end file objects for reading
// and writing respectively.
FMT_API static void pipe(file& read_end, file& write_end);
// Creates a pipe setting up read_end and write_end file objects for reading
// and writing respectively.
FMT_API static void pipe(file &read_end, file &write_end);
// Creates a buffered_file object associated with this file and detaches
// this file object from the file.
FMT_API buffered_file fdopen(const char* mode);
// Creates a buffered_file object associated with this file and detaches
// this file object from the file.
FMT_API buffered_file fdopen(const char *mode);
};
// Returns the memory page size.
long getpagesize();
#endif // FMT_USE_FCNTL
#endif // FMT_USE_FCNTL
#ifdef FMT_LOCALE
// A "C" numeric locale.
class Locale {
private:
# ifdef _WIN32
using locale_t = _locale_t;
class Locale
{
private:
#ifdef _WIN32
using locale_t = _locale_t;
enum { LC_NUMERIC_MASK = LC_NUMERIC };
enum
{
LC_NUMERIC_MASK = LC_NUMERIC
};
static locale_t newlocale(int category_mask, const char* locale, locale_t) {
return _create_locale(category_mask, locale);
}
static locale_t newlocale(int category_mask, const char *locale, locale_t)
{
return _create_locale(category_mask, locale);
}
static void freelocale(locale_t locale) { _free_locale(locale); }
static void freelocale(locale_t locale)
{
_free_locale(locale);
}
static double strtod_l(const char* nptr, char** endptr, _locale_t locale) {
return _strtod_l(nptr, endptr, locale);
}
# endif
static double strtod_l(const char *nptr, char **endptr, _locale_t locale)
{
return _strtod_l(nptr, endptr, locale);
}
#endif
locale_t locale_;
locale_t locale_;
public:
using type = locale_t;
Locale(const Locale&) = delete;
void operator=(const Locale&) = delete;
public:
using type = locale_t;
Locale(const Locale &) = delete;
void operator=(const Locale &) = delete;
Locale() : locale_(newlocale(LC_NUMERIC_MASK, "C", nullptr)) {
if (!locale_) FMT_THROW(system_error(errno, "cannot create locale"));
}
~Locale() { freelocale(locale_); }
Locale()
: locale_(newlocale(LC_NUMERIC_MASK, "C", nullptr))
{
if (!locale_)
FMT_THROW(system_error(errno, "cannot create locale"));
}
~Locale()
{
freelocale(locale_);
}
type get() const { return locale_; }
type get() const
{
return locale_;
}
// Converts string to floating-point number and advances str past the end
// of the parsed input.
double strtod(const char*& str) const {
char* end = nullptr;
double result = strtod_l(str, &end, locale_);
str = end;
return result;
}
// Converts string to floating-point number and advances str past the end
// of the parsed input.
double strtod(const char *&str) const
{
char *end = nullptr;
double result = strtod_l(str, &end, locale_);
str = end;
return result;
}
};
#endif // FMT_LOCALE
#endif // FMT_LOCALE
FMT_END_NAMESPACE
#endif // FMT_POSIX_H_
#endif // FMT_POSIX_H_

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@ -17,324 +17,374 @@
// output only up to N items from the range.
#ifndef FMT_RANGE_OUTPUT_LENGTH_LIMIT
# define FMT_RANGE_OUTPUT_LENGTH_LIMIT 256
#define FMT_RANGE_OUTPUT_LENGTH_LIMIT 256
#endif
FMT_BEGIN_NAMESPACE
template <typename Char> struct formatting_base {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template<typename Char>
struct formatting_base
{
template<typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin())
{
return ctx.begin();
}
};
template <typename Char, typename Enable = void>
struct formatting_range : formatting_base<Char> {
static FMT_CONSTEXPR_DECL const std::size_t range_length_limit =
FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the
// range.
Char prefix;
Char delimiter;
Char postfix;
formatting_range() : prefix('{'), delimiter(','), postfix('}') {}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
template<typename Char, typename Enable = void>
struct formatting_range : formatting_base<Char>
{
static FMT_CONSTEXPR_DECL const std::size_t range_length_limit = FMT_RANGE_OUTPUT_LENGTH_LIMIT; // output only up to N items from the
// range.
Char prefix;
Char delimiter;
Char postfix;
formatting_range()
: prefix('{')
, delimiter(',')
, postfix('}')
{}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
};
template <typename Char, typename Enable = void>
struct formatting_tuple : formatting_base<Char> {
Char prefix;
Char delimiter;
Char postfix;
formatting_tuple() : prefix('('), delimiter(','), postfix(')') {}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
template<typename Char, typename Enable = void>
struct formatting_tuple : formatting_base<Char>
{
Char prefix;
Char delimiter;
Char postfix;
formatting_tuple()
: prefix('(')
, delimiter(',')
, postfix(')')
{}
static FMT_CONSTEXPR_DECL const bool add_delimiter_spaces = true;
static FMT_CONSTEXPR_DECL const bool add_prepostfix_space = false;
};
namespace internal {
template <typename RangeT, typename OutputIterator>
OutputIterator copy(const RangeT& range, OutputIterator out) {
for (auto it = range.begin(), end = range.end(); it != end; ++it)
*out++ = *it;
return out;
template<typename RangeT, typename OutputIterator>
OutputIterator copy(const RangeT &range, OutputIterator out)
{
for (auto it = range.begin(), end = range.end(); it != end; ++it)
*out++ = *it;
return out;
}
template <typename OutputIterator>
OutputIterator copy(const char* str, OutputIterator out) {
while (*str) *out++ = *str++;
return out;
template<typename OutputIterator>
OutputIterator copy(const char *str, OutputIterator out)
{
while (*str)
*out++ = *str++;
return out;
}
template <typename OutputIterator>
OutputIterator copy(char ch, OutputIterator out) {
*out++ = ch;
return out;
template<typename OutputIterator>
OutputIterator copy(char ch, OutputIterator out)
{
*out++ = ch;
return out;
}
/// Return true value if T has std::string interface, like std::string_view.
template <typename T> class is_like_std_string {
template <typename U>
static auto check(U* p)
-> decltype((void)p->find('a'), p->length(), (void)p->data(), int());
template <typename> static void check(...);
template<typename T>
class is_like_std_string
{
template<typename U>
static auto check(U *p) -> decltype((void)p->find('a'), p->length(), (void)p->data(), int());
template<typename>
static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
is_string<T>::value || !std::is_void<decltype(check<T>(nullptr))>::value;
public:
static FMT_CONSTEXPR_DECL const bool value = is_string<T>::value || !std::is_void<decltype(check<T>(nullptr))>::value;
};
template <typename Char>
struct is_like_std_string<fmt::basic_string_view<Char>> : std::true_type {};
template<typename Char>
struct is_like_std_string<fmt::basic_string_view<Char>> : std::true_type
{};
template <typename... Ts> struct conditional_helper {};
template<typename... Ts>
struct conditional_helper
{};
template <typename T, typename _ = void> struct is_range_ : std::false_type {};
template<typename T, typename _ = void>
struct is_range_ : std::false_type
{};
#if !FMT_MSC_VER || FMT_MSC_VER > 1800
template <typename T>
struct is_range_<
T, conditional_t<false,
conditional_helper<decltype(std::declval<T>().begin()),
decltype(std::declval<T>().end())>,
void>> : std::true_type {};
template<typename T>
struct is_range_<T, conditional_t<false, conditional_helper<decltype(std::declval<T>().begin()), decltype(std::declval<T>().end())>, void>>
: std::true_type
{};
#endif
/// tuple_size and tuple_element check.
template <typename T> class is_tuple_like_ {
template <typename U>
static auto check(U* p)
-> decltype(std::tuple_size<U>::value,
(void)std::declval<typename std::tuple_element<0, U>::type>(),
int());
template <typename> static void check(...);
template<typename T>
class is_tuple_like_
{
template<typename U>
static auto check(U *p) -> decltype(std::tuple_size<U>::value, (void)std::declval<typename std::tuple_element<0, U>::type>(), int());
template<typename>
static void check(...);
public:
static FMT_CONSTEXPR_DECL const bool value =
!std::is_void<decltype(check<T>(nullptr))>::value;
public:
static FMT_CONSTEXPR_DECL const bool value = !std::is_void<decltype(check<T>(nullptr))>::value;
};
// Check for integer_sequence
#if defined(__cpp_lib_integer_sequence) || FMT_MSC_VER >= 1900
template <typename T, T... N>
template<typename T, T... N>
using integer_sequence = std::integer_sequence<T, N...>;
template <std::size_t... N> using index_sequence = std::index_sequence<N...>;
template <std::size_t N>
template<std::size_t... N>
using index_sequence = std::index_sequence<N...>;
template<std::size_t N>
using make_index_sequence = std::make_index_sequence<N>;
#else
template <typename T, T... N> struct integer_sequence {
using value_type = T;
template<typename T, T... N>
struct integer_sequence
{
using value_type = T;
static FMT_CONSTEXPR std::size_t size() { return sizeof...(N); }
static FMT_CONSTEXPR std::size_t size()
{
return sizeof...(N);
}
};
template <std::size_t... N>
template<std::size_t... N>
using index_sequence = integer_sequence<std::size_t, N...>;
template <typename T, std::size_t N, T... Ns>
struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...> {};
template <typename T, T... Ns>
struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...> {};
template<typename T, std::size_t N, T... Ns>
struct make_integer_sequence : make_integer_sequence<T, N - 1, N - 1, Ns...>
{};
template<typename T, T... Ns>
struct make_integer_sequence<T, 0, Ns...> : integer_sequence<T, Ns...>
{};
template <std::size_t N>
template<std::size_t N>
using make_index_sequence = make_integer_sequence<std::size_t, N>;
#endif
template <class Tuple, class F, size_t... Is>
void for_each(index_sequence<Is...>, Tuple&& tup, F&& f) FMT_NOEXCEPT {
using std::get;
// using free function get<I>(T) now.
const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
(void)_; // blocks warnings
template<class Tuple, class F, size_t... Is>
void for_each(index_sequence<Is...>, Tuple &&tup, F &&f) FMT_NOEXCEPT
{
using std::get;
// using free function get<I>(T) now.
const int _[] = {0, ((void)f(get<Is>(tup)), 0)...};
(void)_; // blocks warnings
}
template <class T>
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(
T const&) {
return {};
template<class T>
FMT_CONSTEXPR make_index_sequence<std::tuple_size<T>::value> get_indexes(T const &)
{
return {};
}
template <class Tuple, class F> void for_each(Tuple&& tup, F&& f) {
const auto indexes = get_indexes(tup);
for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
template<class Tuple, class F>
void for_each(Tuple &&tup, F &&f)
{
const auto indexes = get_indexes(tup);
for_each(indexes, std::forward<Tuple>(tup), std::forward<F>(f));
}
template <typename Arg, FMT_ENABLE_IF(!is_like_std_string<
typename std::decay<Arg>::type>::value)>
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&) {
return add_space ? " {}" : "{}";
template<typename Arg, FMT_ENABLE_IF(!is_like_std_string<typename std::decay<Arg>::type>::value)>
FMT_CONSTEXPR const char *format_str_quoted(bool add_space, const Arg &)
{
return add_space ? " {}" : "{}";
}
template <typename Arg, FMT_ENABLE_IF(is_like_std_string<
typename std::decay<Arg>::type>::value)>
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const Arg&) {
return add_space ? " \"{}\"" : "\"{}\"";
template<typename Arg, FMT_ENABLE_IF(is_like_std_string<typename std::decay<Arg>::type>::value)>
FMT_CONSTEXPR const char *format_str_quoted(bool add_space, const Arg &)
{
return add_space ? " \"{}\"" : "\"{}\"";
}
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char*) {
return add_space ? " \"{}\"" : "\"{}\"";
FMT_CONSTEXPR const char *format_str_quoted(bool add_space, const char *)
{
return add_space ? " \"{}\"" : "\"{}\"";
}
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t*) {
return add_space ? L" \"{}\"" : L"\"{}\"";
FMT_CONSTEXPR const wchar_t *format_str_quoted(bool add_space, const wchar_t *)
{
return add_space ? L" \"{}\"" : L"\"{}\"";
}
FMT_CONSTEXPR const char* format_str_quoted(bool add_space, const char) {
return add_space ? " '{}'" : "'{}'";
FMT_CONSTEXPR const char *format_str_quoted(bool add_space, const char)
{
return add_space ? " '{}'" : "'{}'";
}
FMT_CONSTEXPR const wchar_t* format_str_quoted(bool add_space, const wchar_t) {
return add_space ? L" '{}'" : L"'{}'";
FMT_CONSTEXPR const wchar_t *format_str_quoted(bool add_space, const wchar_t)
{
return add_space ? L" '{}'" : L"'{}'";
}
} // namespace internal
} // namespace internal
template <typename T> struct is_tuple_like {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
template<typename T>
struct is_tuple_like
{
static FMT_CONSTEXPR_DECL const bool value = internal::is_tuple_like_<T>::value && !internal::is_range_<T>::value;
};
template <typename TupleT, typename Char>
struct formatter<TupleT, Char, enable_if_t<fmt::is_tuple_like<TupleT>::value>> {
private:
// C++11 generic lambda for format()
template <typename FormatContext> struct format_each {
template <typename T> void operator()(const T& v) {
if (i > 0) {
if (formatting.add_prepostfix_space) {
*out++ = ' ';
template<typename TupleT, typename Char>
struct formatter<TupleT, Char, enable_if_t<fmt::is_tuple_like<TupleT>::value>>
{
private:
// C++11 generic lambda for format()
template<typename FormatContext>
struct format_each
{
template<typename T>
void operator()(const T &v)
{
if (i > 0)
{
if (formatting.add_prepostfix_space)
{
*out++ = ' ';
}
out = internal::copy(formatting.delimiter, out);
}
out = format_to(out, internal::format_str_quoted((formatting.add_delimiter_spaces && i > 0), v), v);
++i;
}
out = internal::copy(formatting.delimiter, out);
}
out = format_to(out,
internal::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), v),
v);
++i;
formatting_tuple<Char> &formatting;
std::size_t &i;
typename std::add_lvalue_reference<decltype(std::declval<FormatContext>().out())>::type out;
};
public:
formatting_tuple<Char> formatting;
template<typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin())
{
return formatting.parse(ctx);
}
formatting_tuple<Char>& formatting;
std::size_t& i;
typename std::add_lvalue_reference<decltype(
std::declval<FormatContext>().out())>::type out;
};
template<typename FormatContext = format_context>
auto format(const TupleT &values, FormatContext &ctx) -> decltype(ctx.out())
{
auto out = ctx.out();
std::size_t i = 0;
internal::copy(formatting.prefix, out);
public:
formatting_tuple<Char> formatting;
internal::for_each(values, format_each<FormatContext>{formatting, i, out});
if (formatting.add_prepostfix_space)
{
*out++ = ' ';
}
internal::copy(formatting.postfix, out);
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext = format_context>
auto format(const TupleT& values, FormatContext& ctx) -> decltype(ctx.out()) {
auto out = ctx.out();
std::size_t i = 0;
internal::copy(formatting.prefix, out);
internal::for_each(values, format_each<FormatContext>{formatting, i, out});
if (formatting.add_prepostfix_space) {
*out++ = ' ';
return ctx.out();
}
internal::copy(formatting.postfix, out);
return ctx.out();
}
};
template <typename T, typename Char> struct is_range {
static FMT_CONSTEXPR_DECL const bool value =
internal::is_range_<T>::value &&
!internal::is_like_std_string<T>::value &&
!std::is_convertible<T, std::basic_string<Char>>::value &&
!std::is_constructible<internal::std_string_view<Char>, T>::value;
template<typename T, typename Char>
struct is_range
{
static FMT_CONSTEXPR_DECL const bool value = internal::is_range_<T>::value && !internal::is_like_std_string<T>::value &&
!std::is_convertible<T, std::basic_string<Char>>::value &&
!std::is_constructible<internal::std_string_view<Char>, T>::value;
};
template <typename RangeT, typename Char>
struct formatter<RangeT, Char,
enable_if_t<fmt::is_range<RangeT, Char>::value>> {
formatting_range<Char> formatting;
template<typename RangeT, typename Char>
struct formatter<RangeT, Char, enable_if_t<fmt::is_range<RangeT, Char>::value>>
{
formatting_range<Char> formatting;
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return formatting.parse(ctx);
}
template <typename FormatContext>
typename FormatContext::iterator format(const RangeT& values,
FormatContext& ctx) {
auto out = internal::copy(formatting.prefix, ctx.out());
std::size_t i = 0;
for (auto it = values.begin(), end = values.end(); it != end; ++it) {
if (i > 0) {
if (formatting.add_prepostfix_space) *out++ = ' ';
out = internal::copy(formatting.delimiter, out);
}
out = format_to(out,
internal::format_str_quoted(
(formatting.add_delimiter_spaces && i > 0), *it),
*it);
if (++i > formatting.range_length_limit) {
out = format_to(out, " ... <other elements>");
break;
}
template<typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin())
{
return formatting.parse(ctx);
}
if (formatting.add_prepostfix_space) *out++ = ' ';
return internal::copy(formatting.postfix, out);
}
};
template <typename Char, typename... T> struct tuple_arg_join : internal::view {
const std::tuple<T...>& tuple;
basic_string_view<Char> sep;
tuple_arg_join(const std::tuple<T...>& t, basic_string_view<Char> s)
: tuple{t}, sep{s} {}
};
template <typename Char, typename... T>
struct formatter<tuple_arg_join<Char, T...>, Char> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
template <typename FormatContext>
typename FormatContext::iterator format(
const tuple_arg_join<Char, T...>& value, FormatContext& ctx) {
return format(value, ctx, internal::make_index_sequence<sizeof...(T)>{});
}
private:
template <typename FormatContext, size_t... N>
typename FormatContext::iterator format(
const tuple_arg_join<Char, T...>& value, FormatContext& ctx,
internal::index_sequence<N...>) {
return format_args(value, ctx, std::get<N>(value.tuple)...);
}
template <typename FormatContext>
typename FormatContext::iterator format_args(
const tuple_arg_join<Char, T...>&, FormatContext& ctx) {
// NOTE: for compilers that support C++17, this empty function instantiation
// can be replaced with a constexpr branch in the variadic overload.
return ctx.out();
}
template <typename FormatContext, typename Arg, typename... Args>
typename FormatContext::iterator format_args(
const tuple_arg_join<Char, T...>& value, FormatContext& ctx,
const Arg& arg, const Args&... args) {
using base = formatter<typename std::decay<Arg>::type, Char>;
auto out = ctx.out();
out = base{}.format(arg, ctx);
if (sizeof...(Args) > 0) {
out = std::copy(value.sep.begin(), value.sep.end(), out);
ctx.advance_to(out);
return format_args(value, ctx, args...);
template<typename FormatContext>
typename FormatContext::iterator format(const RangeT &values, FormatContext &ctx)
{
auto out = internal::copy(formatting.prefix, ctx.out());
std::size_t i = 0;
for (auto it = values.begin(), end = values.end(); it != end; ++it)
{
if (i > 0)
{
if (formatting.add_prepostfix_space)
*out++ = ' ';
out = internal::copy(formatting.delimiter, out);
}
out = format_to(out, internal::format_str_quoted((formatting.add_delimiter_spaces && i > 0), *it), *it);
if (++i > formatting.range_length_limit)
{
out = format_to(out, " ... <other elements>");
break;
}
}
if (formatting.add_prepostfix_space)
*out++ = ' ';
return internal::copy(formatting.postfix, out);
}
};
template<typename Char, typename... T>
struct tuple_arg_join : internal::view
{
const std::tuple<T...> &tuple;
basic_string_view<Char> sep;
tuple_arg_join(const std::tuple<T...> &t, basic_string_view<Char> s)
: tuple{t}
, sep{s}
{}
};
template<typename Char, typename... T>
struct formatter<tuple_arg_join<Char, T...>, Char>
{
template<typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext &ctx) -> decltype(ctx.begin())
{
return ctx.begin();
}
template<typename FormatContext>
typename FormatContext::iterator format(const tuple_arg_join<Char, T...> &value, FormatContext &ctx)
{
return format(value, ctx, internal::make_index_sequence<sizeof...(T)>{});
}
private:
template<typename FormatContext, size_t... N>
typename FormatContext::iterator format(const tuple_arg_join<Char, T...> &value, FormatContext &ctx, internal::index_sequence<N...>)
{
return format_args(value, ctx, std::get<N>(value.tuple)...);
}
template<typename FormatContext>
typename FormatContext::iterator format_args(const tuple_arg_join<Char, T...> &, FormatContext &ctx)
{
// NOTE: for compilers that support C++17, this empty function instantiation
// can be replaced with a constexpr branch in the variadic overload.
return ctx.out();
}
template<typename FormatContext, typename Arg, typename... Args>
typename FormatContext::iterator format_args(
const tuple_arg_join<Char, T...> &value, FormatContext &ctx, const Arg &arg, const Args &... args)
{
using base = formatter<typename std::decay<Arg>::type, Char>;
auto out = ctx.out();
out = base{}.format(arg, ctx);
if (sizeof...(Args) > 0)
{
out = std::copy(value.sep.begin(), value.sep.end(), out);
ctx.advance_to(out);
return format_args(value, ctx, args...);
}
return out;
}
return out;
}
};
/**
@ -348,18 +398,18 @@ struct formatter<tuple_arg_join<Char, T...>, Char> {
// Output: "1, a"
\endrst
*/
template <typename... T>
FMT_CONSTEXPR tuple_arg_join<char, T...> join(const std::tuple<T...>& tuple,
string_view sep) {
return {tuple, sep};
template<typename... T>
FMT_CONSTEXPR tuple_arg_join<char, T...> join(const std::tuple<T...> &tuple, string_view sep)
{
return {tuple, sep};
}
template <typename... T>
FMT_CONSTEXPR tuple_arg_join<wchar_t, T...> join(const std::tuple<T...>& tuple,
wstring_view sep) {
return {tuple, sep};
template<typename... T>
FMT_CONSTEXPR tuple_arg_join<wchar_t, T...> join(const std::tuple<T...> &tuple, wstring_view sep)
{
return {tuple, sep};
}
FMT_END_NAMESPACE
#endif // FMT_RANGES_H_
#endif // FMT_RANGES_H_