mirror of
https://github.com/gabime/spdlog.git
synced 2025-10-02 03:19:02 +08:00
Update fmt version 8.0
This commit is contained in:
@@ -8,16 +8,12 @@
|
||||
#ifndef FMT_OS_H_
|
||||
#define FMT_OS_H_
|
||||
|
||||
#if defined(__MINGW32__) || defined(__CYGWIN__)
|
||||
// Workaround MinGW bug https://sourceforge.net/p/mingw/bugs/2024/.
|
||||
# undef __STRICT_ANSI__
|
||||
#endif
|
||||
|
||||
#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
|
||||
@@ -74,6 +70,7 @@
|
||||
#define FMT_RETRY(result, expression) FMT_RETRY_VAL(result, expression, -1)
|
||||
|
||||
FMT_BEGIN_NAMESPACE
|
||||
FMT_MODULE_EXPORT_BEGIN
|
||||
|
||||
/**
|
||||
\rst
|
||||
@@ -122,19 +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 {
|
||||
@@ -143,7 +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]; }
|
||||
@@ -152,59 +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:
|
||||
@@ -255,7 +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...));
|
||||
}
|
||||
};
|
||||
|
||||
@@ -280,7 +295,8 @@ class file {
|
||||
WRONLY = FMT_POSIX(O_WRONLY), // Open for writing only.
|
||||
RDWR = FMT_POSIX(O_RDWR), // Open for reading and writing.
|
||||
CREATE = FMT_POSIX(O_CREAT), // Create if the file doesn't exist.
|
||||
APPEND = FMT_POSIX(O_APPEND) // Open in append mode.
|
||||
APPEND = FMT_POSIX(O_APPEND), // Open in append mode.
|
||||
TRUNC = FMT_POSIX(O_TRUNC) // Truncate the content of the file.
|
||||
};
|
||||
|
||||
// Constructs a file object which doesn't represent any file.
|
||||
@@ -295,7 +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;
|
||||
@@ -331,7 +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.
|
||||
@@ -345,9 +362,10 @@ class file {
|
||||
// Returns the memory page size.
|
||||
long getpagesize();
|
||||
|
||||
namespace detail {
|
||||
FMT_BEGIN_DETAIL_NAMESPACE
|
||||
|
||||
struct buffer_size {
|
||||
buffer_size() = default;
|
||||
size_t value = 0;
|
||||
buffer_size operator=(size_t val) const {
|
||||
auto bs = buffer_size();
|
||||
@@ -357,14 +375,14 @@ struct buffer_size {
|
||||
};
|
||||
|
||||
struct ostream_params {
|
||||
int oflag = file::WRONLY | file::CREATE;
|
||||
int oflag = file::WRONLY | file::CREATE | file::TRUNC;
|
||||
size_t buffer_size = BUFSIZ > 32768 ? BUFSIZ : 32768;
|
||||
|
||||
ostream_params() {}
|
||||
|
||||
template <typename... T>
|
||||
ostream_params(T... params, int oflag) : ostream_params(params...) {
|
||||
this->oflag = oflag;
|
||||
ostream_params(T... params, int new_oflag) : ostream_params(params...) {
|
||||
oflag = new_oflag;
|
||||
}
|
||||
|
||||
template <typename... T>
|
||||
@@ -373,12 +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> {
|
||||
/** A fast output stream which is not thread-safe. */
|
||||
class FMT_API ostream final : private detail::buffer<char> {
|
||||
private:
|
||||
file file_;
|
||||
|
||||
@@ -388,7 +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) {
|
||||
@@ -399,6 +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() {
|
||||
@@ -414,16 +434,30 @@ class ostream final : private detail::buffer<char> {
|
||||
file_.close();
|
||||
}
|
||||
|
||||
template <typename S, typename... Args>
|
||||
void print(const S& format_str, const Args&... args) {
|
||||
format_to(detail::buffer_appender<char>(*this), format_str, args...);
|
||||
/**
|
||||
Formats ``args`` according to specifications in ``fmt`` and writes the
|
||||
output to the file.
|
||||
*/
|
||||
template <typename... T> void print(format_string<T...> fmt, T&&... args) {
|
||||
vformat_to(detail::buffer_appender<char>(*this), fmt,
|
||||
fmt::make_format_args(args...));
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
Opens a file for writing. Supported parameters passed in `params`:
|
||||
* ``<integer>``: Output flags (``file::WRONLY | file::CREATE`` by default)
|
||||
\rst
|
||||
Opens a file for writing. Supported parameters passed in *params*:
|
||||
|
||||
* ``<integer>``: Flags passed to `open
|
||||
<https://pubs.opengroup.org/onlinepubs/007904875/functions/open.html>`_
|
||||
(``file::WRONLY | file::CREATE`` by default)
|
||||
* ``buffer_size=<integer>``: Output buffer size
|
||||
|
||||
**Example**::
|
||||
|
||||
auto out = fmt::output_file("guide.txt");
|
||||
out.print("Don't {}", "Panic");
|
||||
\endrst
|
||||
*/
|
||||
template <typename... T>
|
||||
inline ostream output_file(cstring_view path, T... params) {
|
||||
@@ -475,6 +509,7 @@ class locale {
|
||||
};
|
||||
using Locale FMT_DEPRECATED_ALIAS = locale;
|
||||
#endif // FMT_LOCALE
|
||||
FMT_MODULE_EXPORT_END
|
||||
FMT_END_NAMESPACE
|
||||
|
||||
#endif // FMT_OS_H_
|
||||
|
Reference in New Issue
Block a user