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Update cpp fmt library.

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This commit is contained in:
Sandu Liviu Catalin
2021-07-02 21:18:22 +03:00
parent 8db8ee4f33
commit ab1f65b53f
16 changed files with 4406 additions and 4633 deletions
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vendor/Fmt/include/fmt/os.h
Vendored
+86 -63
View File
@@ -9,10 +9,11 @@
#define FMT_OS_H_
#include <cerrno>
#include <clocale> // for locale_t
#include <clocale> // locale_t
#include <cstddef>
#include <cstdio>
#include <cstdlib> // for strtod_l
#include <cstdlib> // strtod_l
#include <system_error> // std::system_error
#if defined __APPLE__ || defined(__FreeBSD__)
# include <xlocale.h> // for LC_NUMERIC_MASK on OS X
@@ -69,6 +70,7 @@
#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
FMT_BEGIN_NAMESPACE
FMT_MODULE_EXPORT_BEGIN
/**
\rst
@@ -117,19 +119,28 @@ template <typename Char> class basic_cstring_view {
using cstring_view = basic_cstring_view<char>;
using wcstring_view = basic_cstring_view<wchar_t>;
// An error code.
class error_code {
private:
int value_;
template <typename Char> struct formatter<std::error_code, Char> {
template <typename ParseContext>
FMT_CONSTEXPR auto parse(ParseContext& ctx) -> decltype(ctx.begin()) {
return ctx.begin();
}
public:
explicit error_code(int value = 0) FMT_NOEXCEPT : value_(value) {}
int get() const FMT_NOEXCEPT { return value_; }
template <typename FormatContext>
FMT_CONSTEXPR auto format(const std::error_code& ec, FormatContext& ctx) const
-> decltype(ctx.out()) {
auto out = ctx.out();
out = detail::write_bytes(out, ec.category().name(),
basic_format_specs<Char>());
out = detail::write<Char>(out, Char(':'));
out = detail::write<Char>(out, ec.value());
return out;
}
};
#ifdef _WIN32
namespace detail {
FMT_API const std::error_category& system_category() FMT_NOEXCEPT;
FMT_BEGIN_DETAIL_NAMESPACE
// A converter from UTF-16 to UTF-8.
// It is only provided for Windows since other systems support UTF-8 natively.
class utf16_to_utf8 {
@@ -138,7 +149,7 @@ class utf16_to_utf8 {
public:
utf16_to_utf8() {}
FMT_API explicit utf16_to_utf8(wstring_view s);
FMT_API explicit utf16_to_utf8(basic_string_view<wchar_t> s);
operator string_view() const { return string_view(&buffer_[0], size()); }
size_t size() const { return buffer_.size() - 1; }
const char* c_str() const { return &buffer_[0]; }
@@ -147,59 +158,68 @@ class utf16_to_utf8 {
// Performs conversion returning a system error code instead of
// throwing exception on conversion error. This method may still throw
// in case of memory allocation error.
FMT_API int convert(wstring_view s);
FMT_API int convert(basic_string_view<wchar_t> s);
};
FMT_API void format_windows_error(buffer<char>& out, int error_code,
string_view message) FMT_NOEXCEPT;
} // namespace detail
const char* message) FMT_NOEXCEPT;
FMT_END_DETAIL_NAMESPACE
/** A Windows error. */
class windows_error : public system_error {
private:
FMT_API void init(int error_code, string_view format_str, format_args args);
FMT_API std::system_error vwindows_error(int error_code, string_view format_str,
format_args args);
public:
/**
\rst
Constructs a :class:`fmt::windows_error` object with the description
of the form
/**
\rst
Constructs a :class:`std::system_error` object with the description
of the form
.. parsed-literal::
*<message>*: *<system-message>*
.. parsed-literal::
*<message>*: *<system-message>*
where *<message>* is the formatted message and *<system-message>* is the
system message corresponding to the error code.
*error_code* is a Windows error code as given by ``GetLastError``.
If *error_code* is not a valid error code such as -1, the system message
will look like "error -1".
where *<message>* is the formatted message and *<system-message>* is the
system message corresponding to the error code.
*error_code* is a Windows error code as given by ``GetLastError``.
If *error_code* is not a valid error code such as -1, the system message
will look like "error -1".
**Example**::
**Example**::
// This throws a windows_error with the description
// cannot open file 'madeup': The system cannot find the file specified.
// or similar (system message may vary).
const char *filename = "madeup";
LPOFSTRUCT of = LPOFSTRUCT();
HFILE file = OpenFile(filename, &of, OF_READ);
if (file == HFILE_ERROR) {
throw fmt::windows_error(GetLastError(),
"cannot open file '{}'", filename);
}
\endrst
*/
template <typename... Args>
windows_error(int error_code, string_view message, const Args&... args) {
init(error_code, message, make_format_args(args...));
}
};
// This throws a system_error with the description
// cannot open file 'madeup': The system cannot find the file specified.
// or similar (system message may vary).
const char *filename = "madeup";
LPOFSTRUCT of = LPOFSTRUCT();
HFILE file = OpenFile(filename, &of, OF_READ);
if (file == HFILE_ERROR) {
throw fmt::windows_error(GetLastError(),
"cannot open file '{}'", filename);
}
\endrst
*/
template <typename... Args>
std::system_error windows_error(int error_code, string_view message,
const Args&... args) {
return vwindows_error(error_code, message, fmt::make_format_args(args...));
}
// Reports a Windows error without throwing an exception.
// Can be used to report errors from destructors.
FMT_API void report_windows_error(int error_code,
string_view message) FMT_NOEXCEPT;
const char* message) FMT_NOEXCEPT;
#else
inline const std::error_category& system_category() FMT_NOEXCEPT {
return std::system_category();
}
#endif // _WIN32
// std::system is not available on some platforms such as iOS (#2248).
#ifdef __OSX__
template <typename S, typename... Args, typename Char = char_t<S>>
void say(const S& format_str, Args&&... args) {
std::system(format("say \"{}\"", format(format_str, args...)).c_str());
}
#endif
// A buffered file.
class buffered_file {
private:
@@ -250,7 +270,7 @@ class buffered_file {
template <typename... Args>
inline void print(string_view format_str, const Args&... args) {
vprint(format_str, make_format_args(args...));
vprint(format_str, fmt::make_format_args(args...));
}
};
@@ -291,7 +311,8 @@ class file {
file(file&& other) FMT_NOEXCEPT : fd_(other.fd_) { other.fd_ = -1; }
file& operator=(file&& other) FMT_NOEXCEPT {
// Move assignment is not noexcept because close may throw.
file& operator=(file&& other) {
close();
fd_ = other.fd_;
other.fd_ = -1;
@@ -327,7 +348,7 @@ class file {
// 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;
FMT_API void dup2(int fd, std::error_code& ec) FMT_NOEXCEPT;
// Creates a pipe setting up read_end and write_end file objects for reading
// and writing respectively.
@@ -341,7 +362,7 @@ class file {
// Returns the memory page size.
long getpagesize();
namespace detail {
FMT_BEGIN_DETAIL_NAMESPACE
struct buffer_size {
buffer_size() = default;
@@ -370,12 +391,13 @@ struct ostream_params {
this->buffer_size = bs.value;
}
};
} // namespace detail
FMT_END_DETAIL_NAMESPACE
static constexpr detail::buffer_size buffer_size;
/** A fast output stream which is not thread-safe. */
class ostream final : private detail::buffer<char> {
class FMT_API ostream final : private detail::buffer<char> {
private:
file file_;
@@ -385,7 +407,7 @@ class ostream final : private detail::buffer<char> {
clear();
}
FMT_API void grow(size_t) override final;
void grow(size_t) override;
ostream(cstring_view path, const detail::ostream_params& params)
: file_(path, params.oflag) {
@@ -396,6 +418,7 @@ class ostream final : private detail::buffer<char> {
ostream(ostream&& other)
: detail::buffer<char>(other.data(), other.size(), other.capacity()),
file_(std::move(other.file_)) {
other.clear();
other.set(nullptr, 0);
}
~ostream() {
@@ -412,13 +435,12 @@ class ostream final : private detail::buffer<char> {
}
/**
Formats ``args`` according to specifications in ``format_str`` and writes
the output to the file.
Formats ``args`` according to specifications in ``fmt`` and writes the
output to the file.
*/
template <typename S, typename... Args>
void print(const S& format_str, Args&&... args) {
format_to(detail::buffer_appender<char>(*this), format_str,
std::forward<Args>(args)...);
template <typename... T> void print(format_string<T...> fmt, T&&... args) {
vformat_to(detail::buffer_appender<char>(*this), fmt,
fmt::make_format_args(args...));
}
};
@@ -487,6 +509,7 @@ class locale {
};
using Locale FMT_DEPRECATED_ALIAS = locale;
#endif // FMT_LOCALE
FMT_MODULE_EXPORT_END
FMT_END_NAMESPACE
#endif // FMT_OS_H_