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Updated fmto to version def687462c32ec40757e49eb6069f109d50236d6

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gabime 2016-11-18 17:13:53 +02:00
parent e12916c070
commit d142f13551
5 changed files with 4654 additions and 4638 deletions
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315
include/spdlog/fmt/bundled/format.cc
View File

@ -25,9 +25,7 @@ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// commented out by spdlog
// #include "format.h"
// #include "printf.h"
#include "format.h"
#include <string.h>
@ -73,31 +71,37 @@ using fmt::internal::Arg;
// Dummy implementations of strerror_r and strerror_s called if corresponding
// system functions are not available.
static inline fmt::internal::Null<> strerror_r(int, char *, ...) {
static inline fmt::internal::Null<> strerror_r(int, char *, ...)
{
return fmt::internal::Null<>();
}
static inline fmt::internal::Null<> strerror_s(char *, std::size_t, ...) {
static inline fmt::internal::Null<> strerror_s(char *, std::size_t, ...)
{
return fmt::internal::Null<>();
}
namespace fmt {
FMT_FUNC internal::RuntimeError::~RuntimeError() throw() {}
FMT_FUNC FormatError::~FormatError() throw() {}
FMT_FUNC SystemError::~SystemError() throw() {}
FMT_FUNC internal::RuntimeError::~RuntimeError() FMT_DTOR_NOEXCEPT
{}
FMT_FUNC FormatError::~FormatError() FMT_DTOR_NOEXCEPT
{}
FMT_FUNC SystemError::~SystemError() FMT_DTOR_NOEXCEPT
{}
namespace {
namespace {
#ifndef _MSC_VER
# define FMT_SNPRINTF snprintf
#else // _MSC_VER
inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) {
inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...)
{
va_list args;
va_start(args, format);
int result = vsnprintf_s(buffer, size, _TRUNCATE, format, args);
va_end(args);
return result;
}
}
# define FMT_SNPRINTF fmt_snprintf
#endif // _MSC_VER
@ -107,40 +111,45 @@ inline int fmt_snprintf(char *buffer, size_t size, const char *format, ...) {
# define FMT_SWPRINTF swprintf
#endif // defined(_WIN32) && defined(__MINGW32__) && !defined(__NO_ISOCEXT)
const char RESET_COLOR[] = "\x1b[0m";
const char RESET_COLOR[] = "\x1b[0m";
typedef void(*FormatFunc)(Writer &, int, StringRef);
typedef void(*FormatFunc)(Writer &, int, StringRef);
// Portable thread-safe version of strerror.
// Sets buffer to point to a string describing the error code.
// This can be either a pointer to a string stored in buffer,
// or a pointer to some static immutable string.
// Returns one of the following values:
// 0 - success
// ERANGE - buffer is not large enough to store the error message
// other - failure
// Buffer should be at least of size 1.
int safe_strerror(
int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT{
// Portable thread-safe version of strerror.
// Sets buffer to point to a string describing the error code.
// This can be either a pointer to a string stored in buffer,
// or a pointer to some static immutable string.
// Returns one of the following values:
// 0 - success
// ERANGE - buffer is not large enough to store the error message
// other - failure
// Buffer should be at least of size 1.
int safe_strerror(
int error_code, char *&buffer, std::size_t buffer_size) FMT_NOEXCEPT
{
FMT_ASSERT(buffer != 0 && buffer_size != 0, "invalid buffer");
class StrError {
class StrError
{
private:
int error_code_;
char *&buffer_;
std::size_t buffer_size_;
// A noop assignment operator to avoid bogus warnings.
void operator=(const StrError &) {}
void operator=(const StrError &)
{}
// Handle the result of XSI-compliant version of strerror_r.
int handle(int result) {
int handle(int result)
{
// glibc versions before 2.13 return result in errno.
return result == -1 ? errno : result;
}
// Handle the result of GNU-specific version of strerror_r.
int handle(char *message) {
int handle(char *message)
{
// If the buffer is full then the message is probably truncated.
if (message == buffer_ && strlen(buffer_) == buffer_size_ - 1)
return ERANGE;
@ -149,19 +158,22 @@ int safe_strerror(
}
// Handle the case when strerror_r is not available.
int handle(internal::Null<>) {
int handle(internal::Null<>)
{
return fallback(strerror_s(buffer_, buffer_size_, error_code_));
}
// Fallback to strerror_s when strerror_r is not available.
int fallback(int result) {
int fallback(int result)
{
// If the buffer is full then the message is probably truncated.
return result == 0 && strlen(buffer_) == buffer_size_ - 1 ?
ERANGE : result;
}
// Fallback to strerror if strerror_r and strerror_s are not available.
int fallback(internal::Null<>) {
int fallback(internal::Null<>)
{
errno = 0;
buffer_ = strerror(error_code_);
return errno;
@ -169,18 +181,22 @@ int safe_strerror(
public:
StrError(int err_code, char *&buf, std::size_t buf_size)
: error_code_(err_code), buffer_(buf), buffer_size_(buf_size) {}
: error_code_(err_code), buffer_(buf), buffer_size_(buf_size)
{}
int run() {
strerror_r(0, 0, ""); // Suppress a warning about unused strerror_r.
int run()
{
// Suppress a warning about unused strerror_r.
strerror_r(0, FMT_NULL, "");
return handle(strerror_r(error_code_, buffer_, buffer_size_));
}
};
return StrError(error_code, buffer, buffer_size).run();
}
}
void format_error_code(Writer &out, int error_code,
StringRef message) FMT_NOEXCEPT{
void format_error_code(Writer &out, int error_code,
StringRef message) FMT_NOEXCEPT
{
// Report error code making sure that the output fits into
// INLINE_BUFFER_SIZE to avoid dynamic memory allocation and potential
// bad_alloc.
@ -200,42 +216,46 @@ void format_error_code(Writer &out, int error_code,
out << message << SEP;
out << ERROR_STR << error_code;
assert(out.size() <= internal::INLINE_BUFFER_SIZE);
}
}
void report_error(FormatFunc func, int error_code,
StringRef message) FMT_NOEXCEPT{
void report_error(FormatFunc func, int error_code,
StringRef message) FMT_NOEXCEPT
{
MemoryWriter full_message;
func(full_message, error_code, message);
// Use Writer::data instead of Writer::c_str to avoid potential memory
// allocation.
std::fwrite(full_message.data(), full_message.size(), 1, stderr);
std::fputc('\n', stderr);
}
} // namespace
}
} // namespace
namespace internal {
namespace internal {
// This method is used to preserve binary compatibility with fmt 3.0.
// It can be removed in 4.0.
FMT_FUNC void format_system_error(
Writer &out, int error_code, StringRef message) FMT_NOEXCEPT{
// This method is used to preserve binary compatibility with fmt 3.0.
// It can be removed in 4.0.
FMT_FUNC void format_system_error(
Writer &out, int error_code, StringRef message) FMT_NOEXCEPT
{
fmt::format_system_error(out, error_code, message);
}
} // namespace internal
}
} // namespace internal
FMT_FUNC void SystemError::init(
int err_code, CStringRef format_str, ArgList args) {
FMT_FUNC void SystemError::init(
int err_code, CStringRef format_str, ArgList args)
{
error_code_ = err_code;
MemoryWriter w;
format_system_error(w, err_code, format(format_str, args));
std::runtime_error &base = *this;
base = std::runtime_error(w.str());
}
}
template <typename T>
int internal::CharTraits<char>::format_float(
template <typename T>
int internal::CharTraits<char>::format_float(
char *buffer, std::size_t size, const char *format,
unsigned width, int precision, T value) {
unsigned width, int precision, T value)
{
if (width == 0) {
return precision < 0 ?
FMT_SNPRINTF(buffer, size, format, value) :
@ -244,12 +264,13 @@ int internal::CharTraits<char>::format_float(
return precision < 0 ?
FMT_SNPRINTF(buffer, size, format, width, value) :
FMT_SNPRINTF(buffer, size, format, width, precision, value);
}
}
template <typename T>
int internal::CharTraits<wchar_t>::format_float(
template <typename T>
int internal::CharTraits<wchar_t>::format_float(
wchar_t *buffer, std::size_t size, const wchar_t *format,
unsigned width, int precision, T value) {
unsigned width, int precision, T value)
{
if (width == 0) {
return precision < 0 ?
FMT_SWPRINTF(buffer, size, format, value) :
@ -258,10 +279,10 @@ int internal::CharTraits<wchar_t>::format_float(
return precision < 0 ?
FMT_SWPRINTF(buffer, size, format, width, value) :
FMT_SWPRINTF(buffer, size, format, width, precision, value);
}
}
template <typename T>
const char internal::BasicData<T>::DIGITS[] =
template <typename T>
const char internal::BasicData<T>::DIGITS[] =
"0001020304050607080910111213141516171819"
"2021222324252627282930313233343536373839"
"4041424344454647484950515253545556575859"
@ -279,22 +300,23 @@ const char internal::BasicData<T>::DIGITS[] =
factor * 100000000, \
factor * 1000000000
template <typename T>
const uint32_t internal::BasicData<T>::POWERS_OF_10_32[] = {
template <typename T>
const uint32_t internal::BasicData<T>::POWERS_OF_10_32[] = {
0, FMT_POWERS_OF_10(1)
};
};
template <typename T>
const uint64_t internal::BasicData<T>::POWERS_OF_10_64[] = {
template <typename T>
const uint64_t internal::BasicData<T>::POWERS_OF_10_64[] = {
0,
FMT_POWERS_OF_10(1),
FMT_POWERS_OF_10(ULongLong(1000000000)),
// Multiply several constants instead of using a single long long constant
// to avoid warnings about C++98 not supporting long long.
ULongLong(1000000000) * ULongLong(1000000000) * 10
};
};
FMT_FUNC void internal::report_unknown_type(char code, const char *type) {
FMT_FUNC void internal::report_unknown_type(char code, const char *type)
{
(void)type;
if (std::isprint(static_cast<unsigned char>(code))) {
FMT_THROW(FormatError(
@ -303,17 +325,18 @@ FMT_FUNC void internal::report_unknown_type(char code, const char *type) {
FMT_THROW(FormatError(
format("unknown format code '\\x{:02x}' for {}",
static_cast<unsigned>(code), type)));
}
}
#if FMT_USE_WINDOWS_H
FMT_FUNC internal::UTF8ToUTF16::UTF8ToUTF16(StringRef s) {
FMT_FUNC internal::UTF8ToUTF16::UTF8ToUTF16(StringRef s)
{
static const char ERROR_MSG[] = "cannot convert string from UTF-8 to UTF-16";
if (s.size() > INT_MAX)
FMT_THROW(WindowsError(ERROR_INVALID_PARAMETER, ERROR_MSG));
int s_size = static_cast<int>(s.size());
int length = MultiByteToWideChar(
CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, 0, 0);
CP_UTF8, MB_ERR_INVALID_CHARS, s.data(), s_size, FMT_NULL, 0);
if (length == 0)
FMT_THROW(WindowsError(GetLastError(), ERROR_MSG));
buffer_.resize(length + 1);
@ -322,50 +345,56 @@ FMT_FUNC internal::UTF8ToUTF16::UTF8ToUTF16(StringRef s) {
if (length == 0)
FMT_THROW(WindowsError(GetLastError(), ERROR_MSG));
buffer_[length] = 0;
}
}
FMT_FUNC internal::UTF16ToUTF8::UTF16ToUTF8(WStringRef s) {
FMT_FUNC internal::UTF16ToUTF8::UTF16ToUTF8(WStringRef s)
{
if (int error_code = convert(s)) {
FMT_THROW(WindowsError(error_code,
"cannot convert string from UTF-16 to UTF-8"));
}
}
}
FMT_FUNC int internal::UTF16ToUTF8::convert(WStringRef s) {
FMT_FUNC int internal::UTF16ToUTF8::convert(WStringRef s)
{
if (s.size() > INT_MAX)
return ERROR_INVALID_PARAMETER;
int s_size = static_cast<int>(s.size());
int length = WideCharToMultiByte(CP_UTF8, 0, s.data(), s_size, 0, 0, 0, 0);
int length = WideCharToMultiByte(
CP_UTF8, 0, s.data(), s_size, FMT_NULL, 0, FMT_NULL, FMT_NULL);
if (length == 0)
return GetLastError();
buffer_.resize(length + 1);
length = WideCharToMultiByte(
CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, 0, 0);
CP_UTF8, 0, s.data(), s_size, &buffer_[0], length, FMT_NULL, FMT_NULL);
if (length == 0)
return GetLastError();
buffer_[length] = 0;
return 0;
}
}
FMT_FUNC void WindowsError::init(
int err_code, CStringRef format_str, ArgList args) {
FMT_FUNC void WindowsError::init(
int err_code, CStringRef format_str, ArgList args)
{
error_code_ = err_code;
MemoryWriter w;
internal::format_windows_error(w, err_code, format(format_str, args));
std::runtime_error &base = *this;
base = std::runtime_error(w.str());
}
}
FMT_FUNC void internal::format_windows_error(
Writer &out, int error_code, StringRef message) FMT_NOEXCEPT{
FMT_FUNC void internal::format_windows_error(
Writer &out, int error_code, StringRef message) FMT_NOEXCEPT
{
FMT_TRY{
MemoryBuffer<wchar_t, INLINE_BUFFER_SIZE> buffer;
buffer.resize(INLINE_BUFFER_SIZE);
for (;;) {
wchar_t *system_message = &buffer[0];
int result = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
0, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
system_message, static_cast<uint32_t>(buffer.size()), 0);
int result = FormatMessageW(
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
FMT_NULL, error_code, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
system_message, static_cast<uint32_t>(buffer.size()), FMT_NULL);
if (result != 0) {
UTF16ToUTF8 utf8_message;
if (utf8_message.convert(system_message) == ERROR_SUCCESS) {
@ -378,14 +407,16 @@ FMT_FUNC void internal::format_windows_error(
break; // Can't get error message, report error code instead.
buffer.resize(buffer.size() * 2);
}
} FMT_CATCH(...) {}
} FMT_CATCH(...)
{}
fmt::format_error_code(out, error_code, message); // 'fmt::' is for bcc32.
}
}
#endif // FMT_USE_WINDOWS_H
FMT_FUNC void format_system_error(
Writer &out, int error_code, StringRef message) FMT_NOEXCEPT{
FMT_FUNC void format_system_error(
Writer &out, int error_code, StringRef message) FMT_NOEXCEPT
{
FMT_TRY{
internal::MemoryBuffer<char, internal::INLINE_BUFFER_SIZE> buffer;
buffer.resize(internal::INLINE_BUFFER_SIZE);
@ -400,16 +431,18 @@ FMT_FUNC void format_system_error(
break; // Can't get error message, report error code instead.
buffer.resize(buffer.size() * 2);
}
} FMT_CATCH(...) {}
} FMT_CATCH(...)
{}
fmt::format_error_code(out, error_code, message); // 'fmt::' is for bcc32.
}
}
template <typename Char>
void internal::ArgMap<Char>::init(const ArgList &args) {
template <typename Char>
void internal::ArgMap<Char>::init(const ArgList &args)
{
if (!map_.empty())
return;
typedef internal::NamedArg<Char> NamedArg;
const NamedArg *named_arg = 0;
const NamedArg *named_arg = FMT_NULL;
bool use_values =
args.type(ArgList::MAX_PACKED_ARGS - 1) == internal::Arg::NONE;
if (use_values) {
@ -423,8 +456,7 @@ void internal::ArgMap<Char>::init(const ArgList &args) {
map_.push_back(Pair(named_arg->name, *named_arg));
break;
default:
/*nothing*/
;
/*nothing*/;
}
}
return;
@ -445,19 +477,20 @@ void internal::ArgMap<Char>::init(const ArgList &args) {
map_.push_back(Pair(named_arg->name, *named_arg));
break;
default:
/*nothing*/
;
/*nothing*/;
}
}
}
}
template <typename Char>
void internal::FixedBuffer<Char>::grow(std::size_t) {
template <typename Char>
void internal::FixedBuffer<Char>::grow(std::size_t)
{
FMT_THROW(std::runtime_error("buffer overflow"));
}
}
FMT_FUNC Arg internal::FormatterBase::do_get_arg(
unsigned arg_index, const char *&error) {
FMT_FUNC Arg internal::FormatterBase::do_get_arg(
unsigned arg_index, const char *&error)
{
Arg arg = args_[arg_index];
switch (arg.type) {
case Arg::NONE:
@ -467,87 +500,77 @@ FMT_FUNC Arg internal::FormatterBase::do_get_arg(
arg = *static_cast<const internal::Arg*>(arg.pointer);
break;
default:
/*nothing*/
;
/*nothing*/;
}
return arg;
}
}
FMT_FUNC void report_system_error(
int error_code, fmt::StringRef message) FMT_NOEXCEPT{
FMT_FUNC void report_system_error(
int error_code, fmt::StringRef message) FMT_NOEXCEPT
{
// 'fmt::' is for bcc32.
report_error(format_system_error, error_code, message);
}
}
#if FMT_USE_WINDOWS_H
FMT_FUNC void report_windows_error(
int error_code, fmt::StringRef message) FMT_NOEXCEPT{
FMT_FUNC void report_windows_error(
int error_code, fmt::StringRef message) FMT_NOEXCEPT
{
// 'fmt::' is for bcc32.
report_error(internal::format_windows_error, error_code, message);
}
}
#endif
FMT_FUNC void print(std::FILE *f, CStringRef format_str, ArgList args) {
FMT_FUNC void print(std::FILE *f, CStringRef format_str, ArgList args)
{
MemoryWriter w;
w.write(format_str, args);
std::fwrite(w.data(), 1, w.size(), f);
}
}
FMT_FUNC void print(CStringRef format_str, ArgList args) {
FMT_FUNC void print(CStringRef format_str, ArgList args)
{
print(stdout, format_str, args);
}
}
FMT_FUNC void print_colored(Color c, CStringRef format, ArgList args) {
FMT_FUNC void print_colored(Color c, CStringRef format, ArgList args)
{
char escape[] = "\x1b[30m";
escape[3] = static_cast<char>('0' + c);
std::fputs(escape, stdout);
print(format, args);
std::fputs(RESET_COLOR, stdout);
}
template <typename Char>
void printf(BasicWriter<Char> &w, BasicCStringRef<Char> format, ArgList args);
FMT_FUNC int fprintf(std::FILE *f, CStringRef format, ArgList args) {
MemoryWriter w;
printf(w, format, args);
std::size_t size = w.size();
return std::fwrite(w.data(), 1, size, f) < size ? -1 : static_cast<int>(size);
}
}
#ifndef FMT_HEADER_ONLY
template struct internal::BasicData<void>;
template struct internal::BasicData<void>;
// Explicit instantiations for char.
// Explicit instantiations for char.
template void internal::FixedBuffer<char>::grow(std::size_t);
template void internal::FixedBuffer<char>::grow(std::size_t);
template void internal::ArgMap<char>::init(const ArgList &args);
template void internal::ArgMap<char>::init(const ArgList &args);
template void PrintfFormatter<char>::format(CStringRef format);
template int internal::CharTraits<char>::format_float(
template int internal::CharTraits<char>::format_float(
char *buffer, std::size_t size, const char *format,
unsigned width, int precision, double value);
template int internal::CharTraits<char>::format_float(
template int internal::CharTraits<char>::format_float(
char *buffer, std::size_t size, const char *format,
unsigned width, int precision, long double value);
// Explicit instantiations for wchar_t.
// Explicit instantiations for wchar_t.
template void internal::FixedBuffer<wchar_t>::grow(std::size_t);
template void internal::FixedBuffer<wchar_t>::grow(std::size_t);
template void internal::ArgMap<wchar_t>::init(const ArgList &args);
template void internal::ArgMap<wchar_t>::init(const ArgList &args);
template void PrintfFormatter<wchar_t>::format(WCStringRef format);
template int internal::CharTraits<wchar_t>::format_float(
template int internal::CharTraits<wchar_t>::format_float(
wchar_t *buffer, std::size_t size, const wchar_t *format,
unsigned width, int precision, double value);
template int internal::CharTraits<wchar_t>::format_float(
template int internal::CharTraits<wchar_t>::format_float(
wchar_t *buffer, std::size_t size, const wchar_t *format,
unsigned width, int precision, long double value);

2671
include/spdlog/fmt/bundled/format.h
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File diff suppressed because it is too large Load Diff

14
include/spdlog/fmt/bundled/ostream.cc
View File

@ -11,8 +11,9 @@ For the license information refer to format.h.
namespace fmt {
namespace internal {
FMT_FUNC void write(std::ostream &os, Writer &w) {
namespace internal {
FMT_FUNC void write(std::ostream &os, Writer &w)
{
const char *data = w.data();
typedef internal::MakeUnsigned<std::streamsize>::Type UnsignedStreamSize;
UnsignedStreamSize size = w.size();
@ -24,12 +25,13 @@ FMT_FUNC void write(std::ostream &os, Writer &w) {
data += n;
size -= n;
} while (size != 0);
}
}
}
}
FMT_FUNC void print(std::ostream &os, CStringRef format_str, ArgList args) {
FMT_FUNC void print(std::ostream &os, CStringRef format_str, ArgList args)
{
MemoryWriter w;
w.write(format_str, args);
internal::write(os, w);
}
}
} // namespace fmt

77
include/spdlog/fmt/bundled/ostream.h
View File

@ -11,35 +11,32 @@ For the license information refer to format.h.
#define FMT_OSTREAM_H_
// commented out by spdlog
//#include "format.h"
// #include "format.h"
#include <ostream>
namespace fmt
{
namespace fmt {
namespace internal
{
namespace internal {
template <class Char>
class FormatBuf : public std::basic_streambuf<Char>
{
private:
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;
Buffer<Char> &buffer_;
Char *start_;
public:
FormatBuf(Buffer<Char> &buffer) : buffer_(buffer), start_(&buffer[0])
public:
FormatBuf(Buffer<Char> &buffer): buffer_(buffer), start_(&buffer[0])
{
this->setp(start_, start_ + buffer_.capacity());
}
int_type overflow(int_type ch = traits_type::eof())
{
if (!traits_type::eq_int_type(ch, traits_type::eof()))
{
if (!traits_type::eq_int_type(ch, traits_type::eof())) {
size_t buf_size = size();
buffer_.resize(buf_size);
buffer_.reserve(buf_size * 2);
@ -55,38 +52,38 @@ public:
{
return to_unsigned(this->pptr() - start_);
}
};
};
Yes &convert(std::ostream &);
Yes &convert(std::ostream &);
struct DummyStream : std::ostream
{
struct DummyStream: std::ostream
{
DummyStream(); // Suppress a bogus warning in MSVC.
// Hide all operator<< overloads from std::ostream.
void operator<<(Null<>);
};
};
No &operator<<(std::ostream &, int);
No &operator<<(std::ostream &, int);
template<typename T>
struct ConvertToIntImpl<T, true>
{
template<typename T>
struct ConvertToIntImpl<T, true>
{
// Convert to int only if T doesn't have an overloaded operator<<.
enum
{
value = sizeof(convert(get<DummyStream>() << get<T>())) == sizeof(No)
};
};
};
// Write the content of w to os.
void write(std::ostream &os, Writer &w);
} // namespace internal
// Write the content of w to os.
void write(std::ostream &os, Writer &w);
} // namespace internal
// Formats a value.
template <typename Char, typename ArgFormatter, typename T>
void format_arg(BasicFormatter<Char, ArgFormatter> &f,
// Formats a value.
template <typename Char, typename ArgFormatter, typename T>
void format_arg(BasicFormatter<Char, ArgFormatter> &f,
const Char *&format_str, const T &value)
{
{
internal::MemoryBuffer<Char, internal::INLINE_BUFFER_SIZE> buffer;
internal::FormatBuf<Char> format_buf(buffer);
@ -96,19 +93,19 @@ void format_arg(BasicFormatter<Char, ArgFormatter> &f,
BasicStringRef<Char> str(&buffer[0], format_buf.size());
typedef internal::MakeArg< BasicFormatter<Char> > MakeArg;
format_str = f.format(format_str, MakeArg(str));
}
}
/**
\rst
Prints formatted data to the stream *os*.
/**
\rst
Prints formatted data to the stream *os*.
**Example**::
**Example**::
print(cerr, "Don't {}!", "panic");
\endrst
*/
FMT_API void print(std::ostream &os, CStringRef format_str, ArgList args);
FMT_VARIADIC(void, print, std::ostream &, CStringRef)
print(cerr, "Don't {}!", "panic");
\endrst
*/
FMT_API void print(std::ostream &os, CStringRef format_str, ArgList args);
FMT_VARIADIC(void, print, std::ostream &, CStringRef)
} // namespace fmt
#ifdef FMT_HEADER_ONLY

433
include/spdlog/fmt/bundled/printf.h
View File

@ -15,16 +15,14 @@ For the license information refer to format.h.
#include "ostream.h"
namespace fmt
{
namespace internal
{
namespace fmt {
namespace internal {
// Checks if a value fits in int - used to avoid warnings about comparing
// signed and unsigned integers.
template <bool IsSigned>
struct IntChecker
{
// Checks if a value fits in int - used to avoid warnings about comparing
// signed and unsigned integers.
template <bool IsSigned>
struct IntChecker
{
template <typename T>
static bool fits_in_int(T value)
{
@ -35,11 +33,11 @@ struct IntChecker
{
return true;
}
};
};
template <>
struct IntChecker<true>
{
template <>
struct IntChecker<true>
{
template <typename T>
static bool fits_in_int(T value)
{
@ -50,11 +48,11 @@ struct IntChecker<true>
{
return true;
}
};
};
class PrecisionHandler : public ArgVisitor<PrecisionHandler, int>
{
public:
class PrecisionHandler: public ArgVisitor<PrecisionHandler, int>
{
public:
void report_unhandled_arg()
{
FMT_THROW(FormatError("precision is not integer"));
@ -67,47 +65,54 @@ public:
FMT_THROW(FormatError("number is too big"));
return static_cast<int>(value);
}
};
};
// IsZeroInt::visit(arg) returns true iff arg is a zero integer.
class IsZeroInt : public ArgVisitor<IsZeroInt, bool>
{
public:
// IsZeroInt::visit(arg) returns true iff arg is a zero integer.
class IsZeroInt: public ArgVisitor<IsZeroInt, bool>
{
public:
template <typename T>
bool visit_any_int(T value)
{
return value == 0;
}
};
};
template <typename T, typename U>
struct is_same
{
enum { value = 0 };
};
template <typename T, typename U>
struct is_same
{
enum
{
value = 0
};
};
template <typename T>
struct is_same<T, T>
{
enum { value = 1 };
};
template <typename T>
struct is_same<T, T>
{
enum
{
value = 1
};
};
// An argument visitor that converts an integer argument to T for printf,
// if T is an integral type. If T is void, the argument is converted to
// corresponding signed or unsigned type depending on the type specifier:
// 'd' and 'i' - signed, other - unsigned)
template <typename T = void>
class ArgConverter : public ArgVisitor<ArgConverter<T>, void>
{
private:
// An argument visitor that converts an integer argument to T for printf,
// if T is an integral type. If T is void, the argument is converted to
// corresponding signed or unsigned type depending on the type specifier:
// 'd' and 'i' - signed, other - unsigned)
template <typename T = void>
class ArgConverter: public ArgVisitor<ArgConverter<T>, void>
{
private:
internal::Arg &arg_;
wchar_t type_;
FMT_DISALLOW_COPY_AND_ASSIGN(ArgConverter);
public:
public:
ArgConverter(internal::Arg &arg, wchar_t type)
: arg_(arg), type_(type) {}
: arg_(arg), type_(type)
{}
void visit_bool(bool value)
{
@ -122,51 +127,46 @@ public:
using internal::Arg;
typedef typename internal::Conditional<
is_same<T, void>::value, U, T>::type TargetType;
if (sizeof(TargetType) <= sizeof(int))
{
if (sizeof(TargetType) <= sizeof(int)) {
// Extra casts are used to silence warnings.
if (is_signed)
{
if (is_signed) {
arg_.type = Arg::INT;
arg_.int_value = static_cast<int>(static_cast<TargetType>(value));
}
else
{
else {
arg_.type = Arg::UINT;
typedef typename internal::MakeUnsigned<TargetType>::Type Unsigned;
arg_.uint_value = static_cast<unsigned>(static_cast<Unsigned>(value));
}
}
else
{
if (is_signed)
{
else {
if (is_signed) {
arg_.type = Arg::LONG_LONG;
// glibc's printf doesn't sign extend arguments of smaller types:
// std::printf("%lld", -42); // prints "4294967254"
// but we don't have to do the same because it's a UB.
arg_.long_long_value = static_cast<LongLong>(value);
}
else
{
else {
arg_.type = Arg::ULONG_LONG;
arg_.ulong_long_value =
static_cast<typename internal::MakeUnsigned<U>::Type>(value);
}
}
}
};
};
// Converts an integer argument to char for printf.
class CharConverter : public ArgVisitor<CharConverter, void>
{
private:
// Converts an integer argument to char for printf.
class CharConverter: public ArgVisitor<CharConverter, void>
{
private:
internal::Arg &arg_;
FMT_DISALLOW_COPY_AND_ASSIGN(CharConverter);
public:
explicit CharConverter(internal::Arg &arg) : arg_(arg) {}
public:
explicit CharConverter(internal::Arg &arg): arg_(arg)
{}
template <typename T>
void visit_any_int(T value)
@ -174,19 +174,20 @@ public:
arg_.type = internal::Arg::CHAR;
arg_.int_value = static_cast<char>(value);
}
};
};
// Checks if an argument is a valid printf width specifier and sets
// left alignment if it is negative.
class WidthHandler : public ArgVisitor<WidthHandler, unsigned>
{
private:
// Checks if an argument is a valid printf width specifier and sets
// left alignment if it is negative.
class WidthHandler: public ArgVisitor<WidthHandler, unsigned>
{
private:
FormatSpec &spec_;
FMT_DISALLOW_COPY_AND_ASSIGN(WidthHandler);
public:
explicit WidthHandler(FormatSpec &spec) : spec_(spec) {}
public:
explicit WidthHandler(FormatSpec &spec): spec_(spec)
{}
void report_unhandled_arg()
{
@ -198,8 +199,7 @@ public:
{
typedef typename internal::IntTraits<T>::MainType UnsignedType;
UnsignedType width = static_cast<UnsignedType>(value);
if (internal::is_negative(value))
{
if (internal::is_negative(value)) {
spec_.align_ = ALIGN_LEFT;
width = 0 - width;
}
@ -208,30 +208,30 @@ public:
FMT_THROW(FormatError("number is too big"));
return static_cast<unsigned>(width);
}
};
} // namespace internal
};
} // namespace internal
/**
\rst
A ``printf`` argument formatter based on the `curiously recurring template
pattern <http://en.wikipedia.org/wiki/Curiously_recurring_template_pattern>`_.
/**
\rst
A ``printf`` argument formatter based on the `curiously recurring template
pattern <http://en.wikipedia.org/wiki/Curiously_recurring_template_pattern>`_.
To use `~fmt::BasicPrintfArgFormatter` define a subclass that implements some
or all of the visit methods with the same signatures as the methods in
`~fmt::ArgVisitor`, for example, `~fmt::ArgVisitor::visit_int()`.
Pass the subclass as the *Impl* template parameter. When a formatting
function processes an argument, it will dispatch to a visit method
specific to the argument type. For example, if the argument type is
``double`` then the `~fmt::ArgVisitor::visit_double()` method of a subclass
will be called. If the subclass doesn't contain a method with this signature,
then a corresponding method of `~fmt::BasicPrintfArgFormatter` or its
superclass will be called.
\endrst
*/
template <typename Impl, typename Char>
class BasicPrintfArgFormatter : public internal::ArgFormatterBase<Impl, Char>
{
private:
To use `~fmt::BasicPrintfArgFormatter` define a subclass that implements some
or all of the visit methods with the same signatures as the methods in
`~fmt::ArgVisitor`, for example, `~fmt::ArgVisitor::visit_int()`.
Pass the subclass as the *Impl* template parameter. When a formatting
function processes an argument, it will dispatch to a visit method
specific to the argument type. For example, if the argument type is
``double`` then the `~fmt::ArgVisitor::visit_double()` method of a subclass
will be called. If the subclass doesn't contain a method with this signature,
then a corresponding method of `~fmt::BasicPrintfArgFormatter` or its
superclass will be called.
\endrst
*/
template <typename Impl, typename Char>
class BasicPrintfArgFormatter: public internal::ArgFormatterBase<Impl, Char>
{
private:
void write_null_pointer()
{
this->spec().type_ = 0;
@ -240,7 +240,7 @@ private:
typedef internal::ArgFormatterBase<Impl, Char> Base;
public:
public:
/**
\rst
Constructs an argument formatter object.
@ -248,8 +248,9 @@ public:
specifier information for standard argument types.
\endrst
*/
BasicPrintfArgFormatter(BasicWriter<Char> &writer, FormatSpec &spec)
: internal::ArgFormatterBase<Impl, Char>(writer, spec) {}
BasicPrintfArgFormatter(BasicWriter<Char> &w, FormatSpec &s)
: internal::ArgFormatterBase<Impl, Char>(w, s)
{}
/** Formats an argument of type ``bool``. */
void visit_bool(bool value)
@ -270,22 +271,18 @@ public:
w.write_int(value, fmt_spec);
typedef typename BasicWriter<Char>::CharPtr CharPtr;
CharPtr out = CharPtr();
if (fmt_spec.width_ > 1)
{
if (fmt_spec.width_ > 1) {
Char fill = ' ';
out = w.grow_buffer(fmt_spec.width_);
if (fmt_spec.align_ != ALIGN_LEFT)
{
if (fmt_spec.align_ != ALIGN_LEFT) {
std::fill_n(out, fmt_spec.width_ - 1, fill);
out += fmt_spec.width_ - 1;
}
else
{
else {
std::fill_n(out + 1, fmt_spec.width_ - 1, fill);
}
}
else
{
else {
out = w.grow_buffer(1);
}
*out = static_cast<Char>(value);
@ -319,24 +316,25 @@ public:
const Char *format = format_str;
c.format(&formatter, c.value, &format);
}
};
};
/** The default printf argument formatter. */
template <typename Char>
class PrintfArgFormatter
/** The default printf argument formatter. */
template <typename Char>
class PrintfArgFormatter
: public BasicPrintfArgFormatter<PrintfArgFormatter<Char>, Char>
{
public:
{
public:
/** Constructs an argument formatter object. */
PrintfArgFormatter(BasicWriter<Char> &w, FormatSpec &s)
: BasicPrintfArgFormatter<PrintfArgFormatter<Char>, Char>(w, s) {}
};
: BasicPrintfArgFormatter<PrintfArgFormatter<Char>, Char>(w, s)
{}
};
/** This template formats data and writes the output to a writer. */
template <typename Char, typename ArgFormatter = PrintfArgFormatter<Char> >
class PrintfFormatter : private internal::FormatterBase
{
private:
/** This template formats data and writes the output to a writer. */
template <typename Char, typename ArgFormatter = PrintfArgFormatter<Char> >
class PrintfFormatter: private internal::FormatterBase
{
private:
BasicWriter<Char> &writer_;
void parse_flags(FormatSpec &spec, const Char *&s);
@ -350,7 +348,7 @@ private:
// Parses argument index, flags and width and returns the argument index.
unsigned parse_header(const Char *&s, FormatSpec &spec);
public:
public:
/**
\rst
Constructs a ``PrintfFormatter`` object. References to the arguments and
@ -358,20 +356,19 @@ public:
appropriate lifetimes.
\endrst
*/
explicit PrintfFormatter(const ArgList &args, BasicWriter<Char> &w)
: FormatterBase(args), writer_(w) {}
explicit PrintfFormatter(const ArgList &al, BasicWriter<Char> &w)
: FormatterBase(al), writer_(w)
{}
/** Formats stored arguments and writes the output to the writer. */
FMT_API void format(BasicCStringRef<Char> format_str);
};
};
template <typename Char, typename AF>
void PrintfFormatter<Char, AF>::parse_flags(FormatSpec &spec, const Char *&s)
{
for (;;)
{
switch (*s++)
template <typename Char, typename AF>
void PrintfFormatter<Char, AF>::parse_flags(FormatSpec &spec, const Char *&s)
{
for (;;) {
switch (*s++) {
case '-':
spec.align_ = ALIGN_LEFT;
break;
@ -392,43 +389,39 @@ void PrintfFormatter<Char, AF>::parse_flags(FormatSpec &spec, const Char *&s)
return;
}
}
}
}
template <typename Char, typename AF>
internal::Arg PrintfFormatter<Char, AF>::get_arg(const Char *s,
template <typename Char, typename AF>
internal::Arg PrintfFormatter<Char, AF>::get_arg(const Char *s,
unsigned arg_index)
{
{
(void)s;
const char *error = 0;
const char *error = FMT_NULL;
internal::Arg arg = arg_index == std::numeric_limits<unsigned>::max() ?
next_arg(error) : FormatterBase::get_arg(arg_index - 1, error);
if (error)
FMT_THROW(FormatError(!*s ? "invalid format string" : error));
return arg;
}
}
template <typename Char, typename AF>
unsigned PrintfFormatter<Char, AF>::parse_header(
template <typename Char, typename AF>
unsigned PrintfFormatter<Char, AF>::parse_header(
const Char *&s, FormatSpec &spec)
{
{
unsigned arg_index = std::numeric_limits<unsigned>::max();
Char c = *s;
if (c >= '0' && c <= '9')
{
if (c >= '0' && c <= '9') {
// Parse an argument index (if followed by '$') or a width possibly
// preceded with '0' flag(s).
unsigned value = internal::parse_nonnegative_int(s);
if (*s == '$') // value is an argument index
{
if (*s == '$') { // value is an argument index
++s;
arg_index = value;
}
else
{
else {
if (c == '0')
spec.fill_ = '0';
if (value != 0)
{
if (value != 0) {
// Nonzero value means that we parsed width and don't need to
// parse it or flags again, so return now.
spec.width_ = value;
@ -438,29 +431,25 @@ unsigned PrintfFormatter<Char, AF>::parse_header(
}
parse_flags(spec, s);
// Parse width.
if (*s >= '0' && *s <= '9')
{
if (*s >= '0' && *s <= '9') {
spec.width_ = internal::parse_nonnegative_int(s);
}
else if (*s == '*')
{
else if (*s == '*') {
++s;
spec.width_ = internal::WidthHandler(spec).visit(get_arg(s));
}
return arg_index;
}
}
template <typename Char, typename AF>
void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
{
template <typename Char, typename AF>
void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
{
const Char *start = format_str.c_str();
const Char *s = start;
while (*s)
{
while (*s) {
Char c = *s++;
if (c != '%') continue;
if (*s == c)
{
if (*s == c) {
write(writer_, start, s);
start = ++s;
continue;
@ -474,15 +463,12 @@ void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
unsigned arg_index = parse_header(s, spec);
// Parse precision.
if (*s == '.')
{
if (*s == '.') {
++s;
if ('0' <= *s && *s <= '9')
{
if ('0' <= *s && *s <= '9') {
spec.precision_ = static_cast<int>(internal::parse_nonnegative_int(s));
}
else if (*s == '*')
{
else if (*s == '*') {
++s;
spec.precision_ = internal::PrecisionHandler().visit(get_arg(s));
}
@ -492,8 +478,7 @@ void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
Arg arg = get_arg(s, arg_index);
if (spec.flag(HASH_FLAG) && internal::IsZeroInt().visit(arg))
spec.flags_ &= ~internal::to_unsigned<int>(HASH_FLAG);
if (spec.fill_ == '0')
{
if (spec.fill_ == '0') {
if (arg.type <= Arg::LAST_NUMERIC_TYPE)
spec.align_ = ALIGN_NUMERIC;
else
@ -502,8 +487,7 @@ void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
// Parse length and convert the argument to the required type.
using internal::ArgConverter;
switch (*s++)
{
switch (*s++) {
case 'h':
if (*s == 'h')
ArgConverter<signed char>(arg, *++s).visit(arg);
@ -538,13 +522,10 @@ void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
if (!*s)
FMT_THROW(FormatError("invalid format string"));
spec.type_ = static_cast<char>(*s++);
if (arg.type <= Arg::LAST_INTEGER_TYPE)
{
if (arg.type <= Arg::LAST_INTEGER_TYPE) {
// Normalize type.
switch (spec.type_)
{
case 'i':
case 'u':
switch (spec.type_) {
case 'i': case 'u':
spec.type_ = 'd';
break;
case 'c':
@ -560,83 +541,87 @@ void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
AF(writer_, spec).visit(arg);
}
write(writer_, start, s);
}
}
template <typename Char>
void printf(BasicWriter<Char> &w, BasicCStringRef<Char> format, ArgList args)
{
template <typename Char>
void printf(BasicWriter<Char> &w, BasicCStringRef<Char> format, ArgList args)
{
PrintfFormatter<Char>(args, w).format(format);
}
}
/**
\rst
Formats arguments and returns the result as a string.
/**
\rst
Formats arguments and returns the result as a string.
**Example**::
**Example**::
std::string message = fmt::sprintf("The answer is %d", 42);
\endrst
*/
inline std::string sprintf(CStringRef format, ArgList args)
{
std::string message = fmt::sprintf("The answer is %d", 42);
\endrst
*/
inline std::string sprintf(CStringRef format, ArgList args)
{
MemoryWriter w;
printf(w, format, args);
return w.str();
}
FMT_VARIADIC(std::string, sprintf, CStringRef)
}
FMT_VARIADIC(std::string, sprintf, CStringRef)
inline std::wstring sprintf(WCStringRef format, ArgList args)
{
inline std::wstring sprintf(WCStringRef format, ArgList args)
{
WMemoryWriter w;
printf(w, format, args);
return w.str();
}
FMT_VARIADIC_W(std::wstring, sprintf, WCStringRef)
}
FMT_VARIADIC_W(std::wstring, sprintf, WCStringRef)
/**
\rst
Prints formatted data to the file *f*.
/**
\rst
Prints formatted data to the file *f*.
**Example**::
**Example**::
fmt::fprintf(stderr, "Don't %s!", "panic");
\endrst
*/
FMT_API int fprintf(std::FILE *f, CStringRef format, ArgList args);
FMT_VARIADIC(int, fprintf, std::FILE *, CStringRef)
fmt::fprintf(stderr, "Don't %s!", "panic");
\endrst
*/
FMT_API int fprintf(std::FILE *f, CStringRef format, ArgList args);
FMT_VARIADIC(int, fprintf, std::FILE *, CStringRef)
/**
\rst
Prints formatted data to ``stdout``.
/**
\rst
Prints formatted data to ``stdout``.
**Example**::
**Example**::
fmt::printf("Elapsed time: %.2f seconds", 1.23);
\endrst
*/
inline int printf(CStringRef format, ArgList args)
{
fmt::printf("Elapsed time: %.2f seconds", 1.23);
\endrst
*/
inline int printf(CStringRef format, ArgList args)
{
return fprintf(stdout, format, args);
}
FMT_VARIADIC(int, printf, CStringRef)
}
FMT_VARIADIC(int, printf, CStringRef)
/**
\rst
Prints formatted data to the stream *os*.
/**
\rst
Prints formatted data to the stream *os*.
**Example**::
**Example**::
fprintf(cerr, "Don't %s!", "panic");
\endrst
*/
inline int fprintf(std::ostream &os, CStringRef format_str, ArgList args)
{
fprintf(cerr, "Don't %s!", "panic");
\endrst
*/
inline int fprintf(std::ostream &os, CStringRef format_str, ArgList args)
{
MemoryWriter w;
printf(w, format_str, args);
internal::write(os, w);
return static_cast<int>(w.size());
}
FMT_VARIADIC(int, fprintf, std::ostream &, CStringRef)
}
FMT_VARIADIC(int, fprintf, std::ostream &, CStringRef)
} // namespace fmt
#ifdef FMT_HEADER_ONLY
# include "printf.cc"
#endif
#endif // FMT_PRINTF_H_