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pull/302/merge
gabime 9 years ago
parent d142f13551
commit bd6fe569b5
4 changed files with 4609 additions and 4434 deletions
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2371
include/spdlog/fmt/bundled/format.h
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73
include/spdlog/fmt/bundled/ostream.h
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@ -14,21 +14,23 @@ For the license information refer to format.h.
// #include "format.h" // #include "format.h"
#include <ostream> #include <ostream>
namespace fmt { namespace fmt
{
namespace internal { namespace internal
{
template <class Char> template <class Char>
class FormatBuf: public std::basic_streambuf<Char> class FormatBuf: public std::basic_streambuf<Char>
{ {
private: private:
typedef typename std::basic_streambuf<Char>::int_type int_type; typedef typename std::basic_streambuf<Char>::int_type int_type;
typedef typename std::basic_streambuf<Char>::traits_type traits_type; typedef typename std::basic_streambuf<Char>::traits_type traits_type;
Buffer<Char> &buffer_; Buffer<Char> &buffer_;
Char *start_; Char *start_;
public: public:
FormatBuf(Buffer<Char> &buffer): buffer_(buffer), start_(&buffer[0]) FormatBuf(Buffer<Char> &buffer): buffer_(buffer), start_(&buffer[0])
{ {
this->setp(start_, start_ + buffer_.capacity()); this->setp(start_, start_ + buffer_.capacity());
@ -36,7 +38,8 @@ namespace fmt {
int_type overflow(int_type ch = traits_type::eof()) 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(); size_t buf_size = size();
buffer_.resize(buf_size); buffer_.resize(buf_size);
buffer_.reserve(buf_size * 2); buffer_.reserve(buf_size * 2);
@ -52,38 +55,38 @@ namespace fmt {
{ {
return to_unsigned(this->pptr() - start_); 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. DummyStream(); // Suppress a bogus warning in MSVC.
// Hide all operator<< overloads from std::ostream. // Hide all operator<< overloads from std::ostream.
void operator<<(Null<>); void operator<<(Null<>);
}; };
No &operator<<(std::ostream &, int); No &operator<<(std::ostream &, int);
template<typename T> template<typename T>
struct ConvertToIntImpl<T, true> struct ConvertToIntImpl<T, true>
{ {
// Convert to int only if T doesn't have an overloaded operator<<. // Convert to int only if T doesn't have an overloaded operator<<.
enum enum
{ {
value = sizeof(convert(get<DummyStream>() << get<T>())) == sizeof(No) value = sizeof(convert(get<DummyStream>() << get<T>())) == sizeof(No)
}; };
}; };
// Write the content of w to os. // Write the content of w to os.
void write(std::ostream &os, Writer &w); void write(std::ostream &os, Writer &w);
} // namespace internal } // namespace internal
// Formats a value. // Formats a value.
template <typename Char, typename ArgFormatter, typename T> template <typename Char, typename ArgFormatter, typename T>
void format_arg(BasicFormatter<Char, ArgFormatter> &f, void format_arg(BasicFormatter<Char, ArgFormatter> &f,
const Char *&format_str, const T &value) const Char *&format_str, const T &value)
{ {
internal::MemoryBuffer<Char, internal::INLINE_BUFFER_SIZE> buffer; internal::MemoryBuffer<Char, internal::INLINE_BUFFER_SIZE> buffer;
internal::FormatBuf<Char> format_buf(buffer); internal::FormatBuf<Char> format_buf(buffer);
@ -93,19 +96,19 @@ namespace fmt {
BasicStringRef<Char> str(&buffer[0], format_buf.size()); BasicStringRef<Char> str(&buffer[0], format_buf.size());
typedef internal::MakeArg< BasicFormatter<Char> > MakeArg; typedef internal::MakeArg< BasicFormatter<Char> > MakeArg;
format_str = f.format(format_str, MakeArg(str)); format_str = f.format(format_str, MakeArg(str));
} }
/** /**
\rst \rst
Prints formatted data to the stream *os*. Prints formatted data to the stream *os*.
**Example**:: **Example**::
print(cerr, "Don't {}!", "panic"); print(cerr, "Don't {}!", "panic");
\endrst \endrst
*/ */
FMT_API void print(std::ostream &os, CStringRef format_str, ArgList args); FMT_API void print(std::ostream &os, CStringRef format_str, ArgList args);
FMT_VARIADIC(void, print, std::ostream &, CStringRef) FMT_VARIADIC(void, print, std::ostream &, CStringRef)
} // namespace fmt } // namespace fmt
#ifdef FMT_HEADER_ONLY #ifdef FMT_HEADER_ONLY

403
include/spdlog/fmt/bundled/printf.h
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@ -15,14 +15,16 @@ For the license information refer to format.h.
#include "ostream.h" #include "ostream.h"
namespace fmt { namespace fmt
namespace internal { {
namespace internal
// Checks if a value fits in int - used to avoid warnings about comparing {
// signed and unsigned integers.
template <bool IsSigned> // Checks if a value fits in int - used to avoid warnings about comparing
struct IntChecker // signed and unsigned integers.
{ template <bool IsSigned>
struct IntChecker
{
template <typename T> template <typename T>
static bool fits_in_int(T value) static bool fits_in_int(T value)
{ {
@ -33,11 +35,11 @@ namespace fmt {
{ {
return true; return true;
} }
}; };
template <> template <>
struct IntChecker<true> struct IntChecker<true>
{ {
template <typename T> template <typename T>
static bool fits_in_int(T value) static bool fits_in_int(T value)
{ {
@ -48,11 +50,11 @@ namespace fmt {
{ {
return true; return true;
} }
}; };
class PrecisionHandler: public ArgVisitor<PrecisionHandler, int> class PrecisionHandler: public ArgVisitor<PrecisionHandler, int>
{ {
public: public:
void report_unhandled_arg() void report_unhandled_arg()
{ {
FMT_THROW(FormatError("precision is not integer")); FMT_THROW(FormatError("precision is not integer"));
@ -65,51 +67,51 @@ namespace fmt {
FMT_THROW(FormatError("number is too big")); FMT_THROW(FormatError("number is too big"));
return static_cast<int>(value); return static_cast<int>(value);
} }
}; };
// IsZeroInt::visit(arg) returns true iff arg is a zero integer. // IsZeroInt::visit(arg) returns true iff arg is a zero integer.
class IsZeroInt: public ArgVisitor<IsZeroInt, bool> class IsZeroInt: public ArgVisitor<IsZeroInt, bool>
{ {
public: public:
template <typename T> template <typename T>
bool visit_any_int(T value) bool visit_any_int(T value)
{ {
return value == 0; return value == 0;
} }
}; };
template <typename T, typename U> template <typename T, typename U>
struct is_same struct is_same
{ {
enum enum
{ {
value = 0 value = 0
}; };
}; };
template <typename T> template <typename T>
struct is_same<T, T> struct is_same<T, T>
{ {
enum enum
{ {
value = 1 value = 1
}; };
}; };
// An argument visitor that converts an integer argument to T for printf, // 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 // 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: // corresponding signed or unsigned type depending on the type specifier:
// 'd' and 'i' - signed, other - unsigned) // 'd' and 'i' - signed, other - unsigned)
template <typename T = void> template <typename T = void>
class ArgConverter: public ArgVisitor<ArgConverter<T>, void> class ArgConverter: public ArgVisitor<ArgConverter<T>, void>
{ {
private: private:
internal::Arg &arg_; internal::Arg &arg_;
wchar_t type_; wchar_t type_;
FMT_DISALLOW_COPY_AND_ASSIGN(ArgConverter); FMT_DISALLOW_COPY_AND_ASSIGN(ArgConverter);
public: public:
ArgConverter(internal::Arg &arg, wchar_t type) ArgConverter(internal::Arg &arg, wchar_t type)
: arg_(arg), type_(type) : arg_(arg), type_(type)
{} {}
@ -127,44 +129,50 @@ namespace fmt {
using internal::Arg; using internal::Arg;
typedef typename internal::Conditional< typedef typename internal::Conditional<
is_same<T, void>::value, U, T>::type TargetType; 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. // Extra casts are used to silence warnings.
if (is_signed) { if (is_signed)
{
arg_.type = Arg::INT; arg_.type = Arg::INT;
arg_.int_value = static_cast<int>(static_cast<TargetType>(value)); arg_.int_value = static_cast<int>(static_cast<TargetType>(value));
} }
else { else
{
arg_.type = Arg::UINT; arg_.type = Arg::UINT;
typedef typename internal::MakeUnsigned<TargetType>::Type Unsigned; typedef typename internal::MakeUnsigned<TargetType>::Type Unsigned;
arg_.uint_value = static_cast<unsigned>(static_cast<Unsigned>(value)); arg_.uint_value = static_cast<unsigned>(static_cast<Unsigned>(value));
} }
} }
else { else
if (is_signed) { {
if (is_signed)
{
arg_.type = Arg::LONG_LONG; arg_.type = Arg::LONG_LONG;
// glibc's printf doesn't sign extend arguments of smaller types: // glibc's printf doesn't sign extend arguments of smaller types:
// std::printf("%lld", -42); // prints "4294967254" // std::printf("%lld", -42); // prints "4294967254"
// but we don't have to do the same because it's a UB. // but we don't have to do the same because it's a UB.
arg_.long_long_value = static_cast<LongLong>(value); arg_.long_long_value = static_cast<LongLong>(value);
} }
else { else
{
arg_.type = Arg::ULONG_LONG; arg_.type = Arg::ULONG_LONG;
arg_.ulong_long_value = arg_.ulong_long_value =
static_cast<typename internal::MakeUnsigned<U>::Type>(value); static_cast<typename internal::MakeUnsigned<U>::Type>(value);
} }
} }
} }
}; };
// Converts an integer argument to char for printf. // Converts an integer argument to char for printf.
class CharConverter: public ArgVisitor<CharConverter, void> class CharConverter: public ArgVisitor<CharConverter, void>
{ {
private: private:
internal::Arg &arg_; internal::Arg &arg_;
FMT_DISALLOW_COPY_AND_ASSIGN(CharConverter); FMT_DISALLOW_COPY_AND_ASSIGN(CharConverter);
public: public:
explicit CharConverter(internal::Arg &arg): arg_(arg) explicit CharConverter(internal::Arg &arg): arg_(arg)
{} {}
@ -174,18 +182,18 @@ namespace fmt {
arg_.type = internal::Arg::CHAR; arg_.type = internal::Arg::CHAR;
arg_.int_value = static_cast<char>(value); arg_.int_value = static_cast<char>(value);
} }
}; };
// Checks if an argument is a valid printf width specifier and sets // Checks if an argument is a valid printf width specifier and sets
// left alignment if it is negative. // left alignment if it is negative.
class WidthHandler: public ArgVisitor<WidthHandler, unsigned> class WidthHandler: public ArgVisitor<WidthHandler, unsigned>
{ {
private: private:
FormatSpec &spec_; FormatSpec &spec_;
FMT_DISALLOW_COPY_AND_ASSIGN(WidthHandler); FMT_DISALLOW_COPY_AND_ASSIGN(WidthHandler);
public: public:
explicit WidthHandler(FormatSpec &spec): spec_(spec) explicit WidthHandler(FormatSpec &spec): spec_(spec)
{} {}
@ -199,7 +207,8 @@ namespace fmt {
{ {
typedef typename internal::IntTraits<T>::MainType UnsignedType; typedef typename internal::IntTraits<T>::MainType UnsignedType;
UnsignedType width = static_cast<UnsignedType>(value); UnsignedType width = static_cast<UnsignedType>(value);
if (internal::is_negative(value)) { if (internal::is_negative(value))
{
spec_.align_ = ALIGN_LEFT; spec_.align_ = ALIGN_LEFT;
width = 0 - width; width = 0 - width;
} }
@ -208,30 +217,30 @@ namespace fmt {
FMT_THROW(FormatError("number is too big")); FMT_THROW(FormatError("number is too big"));
return static_cast<unsigned>(width); return static_cast<unsigned>(width);
} }
}; };
} // namespace internal } // namespace internal
/** /**
\rst \rst
A ``printf`` argument formatter based on the `curiously recurring template A ``printf`` argument formatter based on the `curiously recurring template
pattern <http://en.wikipedia.org/wiki/Curiously_recurring_template_pattern>`_. pattern <http://en.wikipedia.org/wiki/Curiously_recurring_template_pattern>`_.
To use `~fmt::BasicPrintfArgFormatter` define a subclass that implements some To use `~fmt::BasicPrintfArgFormatter` define a subclass that implements some
or all of the visit methods with the same signatures as the methods in or all of the visit methods with the same signatures as the methods in
`~fmt::ArgVisitor`, for example, `~fmt::ArgVisitor::visit_int()`. `~fmt::ArgVisitor`, for example, `~fmt::ArgVisitor::visit_int()`.
Pass the subclass as the *Impl* template parameter. When a formatting Pass the subclass as the *Impl* template parameter. When a formatting
function processes an argument, it will dispatch to a visit method function processes an argument, it will dispatch to a visit method
specific to the argument type. For example, if the argument type is specific to the argument type. For example, if the argument type is
``double`` then the `~fmt::ArgVisitor::visit_double()` method of a subclass ``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, will be called. If the subclass doesn't contain a method with this signature,
then a corresponding method of `~fmt::BasicPrintfArgFormatter` or its then a corresponding method of `~fmt::BasicPrintfArgFormatter` or its
superclass will be called. superclass will be called.
\endrst \endrst
*/ */
template <typename Impl, typename Char> template <typename Impl, typename Char>
class BasicPrintfArgFormatter: public internal::ArgFormatterBase<Impl, Char> class BasicPrintfArgFormatter: public internal::ArgFormatterBase<Impl, Char>
{ {
private: private:
void write_null_pointer() void write_null_pointer()
{ {
this->spec().type_ = 0; this->spec().type_ = 0;
@ -240,7 +249,7 @@ namespace fmt {
typedef internal::ArgFormatterBase<Impl, Char> Base; typedef internal::ArgFormatterBase<Impl, Char> Base;
public: public:
/** /**
\rst \rst
Constructs an argument formatter object. Constructs an argument formatter object.
@ -271,18 +280,22 @@ namespace fmt {
w.write_int(value, fmt_spec); w.write_int(value, fmt_spec);
typedef typename BasicWriter<Char>::CharPtr CharPtr; typedef typename BasicWriter<Char>::CharPtr CharPtr;
CharPtr out = CharPtr(); CharPtr out = CharPtr();
if (fmt_spec.width_ > 1) { if (fmt_spec.width_ > 1)
{
Char fill = ' '; Char fill = ' ';
out = w.grow_buffer(fmt_spec.width_); 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); std::fill_n(out, fmt_spec.width_ - 1, fill);
out += fmt_spec.width_ - 1; out += fmt_spec.width_ - 1;
} }
else { else
{
std::fill_n(out + 1, fmt_spec.width_ - 1, fill); std::fill_n(out + 1, fmt_spec.width_ - 1, fill);
} }
} }
else { else
{
out = w.grow_buffer(1); out = w.grow_buffer(1);
} }
*out = static_cast<Char>(value); *out = static_cast<Char>(value);
@ -316,25 +329,25 @@ namespace fmt {
const Char *format = format_str; const Char *format = format_str;
c.format(&formatter, c.value, &format); c.format(&formatter, c.value, &format);
} }
}; };
/** The default printf argument formatter. */ /** The default printf argument formatter. */
template <typename Char> template <typename Char>
class PrintfArgFormatter class PrintfArgFormatter
: public BasicPrintfArgFormatter<PrintfArgFormatter<Char>, Char> : public BasicPrintfArgFormatter<PrintfArgFormatter<Char>, Char>
{ {
public: public:
/** Constructs an argument formatter object. */ /** Constructs an argument formatter object. */
PrintfArgFormatter(BasicWriter<Char> &w, FormatSpec &s) 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. */ /** This template formats data and writes the output to a writer. */
template <typename Char, typename ArgFormatter = PrintfArgFormatter<Char> > template <typename Char, typename ArgFormatter = PrintfArgFormatter<Char> >
class PrintfFormatter: private internal::FormatterBase class PrintfFormatter: private internal::FormatterBase
{ {
private: private:
BasicWriter<Char> &writer_; BasicWriter<Char> &writer_;
void parse_flags(FormatSpec &spec, const Char *&s); void parse_flags(FormatSpec &spec, const Char *&s);
@ -348,7 +361,7 @@ namespace fmt {
// Parses argument index, flags and width and returns the argument index. // Parses argument index, flags and width and returns the argument index.
unsigned parse_header(const Char *&s, FormatSpec &spec); unsigned parse_header(const Char *&s, FormatSpec &spec);
public: public:
/** /**
\rst \rst
Constructs a ``PrintfFormatter`` object. References to the arguments and Constructs a ``PrintfFormatter`` object. References to the arguments and
@ -362,13 +375,15 @@ namespace fmt {
/** Formats stored arguments and writes the output to the writer. */ /** Formats stored arguments and writes the output to the writer. */
FMT_API void format(BasicCStringRef<Char> format_str); FMT_API void format(BasicCStringRef<Char> format_str);
}; };
template <typename Char, typename AF> template <typename Char, typename AF>
void PrintfFormatter<Char, AF>::parse_flags(FormatSpec &spec, const Char *&s) void PrintfFormatter<Char, AF>::parse_flags(FormatSpec &spec, const Char *&s)
{
for (;;)
{
switch (*s++)
{ {
for (;;) {
switch (*s++) {
case '-': case '-':
spec.align_ = ALIGN_LEFT; spec.align_ = ALIGN_LEFT;
break; break;
@ -389,12 +404,12 @@ namespace fmt {
return; return;
} }
} }
} }
template <typename Char, typename AF> template <typename Char, typename AF>
internal::Arg PrintfFormatter<Char, AF>::get_arg(const Char *s, internal::Arg PrintfFormatter<Char, AF>::get_arg(const Char *s,
unsigned arg_index) unsigned arg_index)
{ {
(void)s; (void)s;
const char *error = FMT_NULL; const char *error = FMT_NULL;
internal::Arg arg = arg_index == std::numeric_limits<unsigned>::max() ? internal::Arg arg = arg_index == std::numeric_limits<unsigned>::max() ?
@ -402,26 +417,30 @@ namespace fmt {
if (error) if (error)
FMT_THROW(FormatError(!*s ? "invalid format string" : error)); FMT_THROW(FormatError(!*s ? "invalid format string" : error));
return arg; return arg;
} }
template <typename Char, typename AF> template <typename Char, typename AF>
unsigned PrintfFormatter<Char, AF>::parse_header( unsigned PrintfFormatter<Char, AF>::parse_header(
const Char *&s, FormatSpec &spec) const Char *&s, FormatSpec &spec)
{ {
unsigned arg_index = std::numeric_limits<unsigned>::max(); unsigned arg_index = std::numeric_limits<unsigned>::max();
Char c = *s; Char c = *s;
if (c >= '0' && c <= '9') { if (c >= '0' && c <= '9')
{
// Parse an argument index (if followed by '$') or a width possibly // Parse an argument index (if followed by '$') or a width possibly
// preceded with '0' flag(s). // preceded with '0' flag(s).
unsigned value = internal::parse_nonnegative_int(s); unsigned value = internal::parse_nonnegative_int(s);
if (*s == '$') { // value is an argument index if (*s == '$') // value is an argument index
{
++s; ++s;
arg_index = value; arg_index = value;
} }
else { else
{
if (c == '0') if (c == '0')
spec.fill_ = '0'; spec.fill_ = '0';
if (value != 0) { if (value != 0)
{
// Nonzero value means that we parsed width and don't need to // Nonzero value means that we parsed width and don't need to
// parse it or flags again, so return now. // parse it or flags again, so return now.
spec.width_ = value; spec.width_ = value;
@ -431,25 +450,29 @@ namespace fmt {
} }
parse_flags(spec, s); parse_flags(spec, s);
// Parse width. // Parse width.
if (*s >= '0' && *s <= '9') { if (*s >= '0' && *s <= '9')
{
spec.width_ = internal::parse_nonnegative_int(s); spec.width_ = internal::parse_nonnegative_int(s);
} }
else if (*s == '*') { else if (*s == '*')
{
++s; ++s;
spec.width_ = internal::WidthHandler(spec).visit(get_arg(s)); spec.width_ = internal::WidthHandler(spec).visit(get_arg(s));
} }
return arg_index; return arg_index;
} }
template <typename Char, typename AF> template <typename Char, typename AF>
void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str) void PrintfFormatter<Char, AF>::format(BasicCStringRef<Char> format_str)
{ {
const Char *start = format_str.c_str(); const Char *start = format_str.c_str();
const Char *s = start; const Char *s = start;
while (*s) { while (*s)
{
Char c = *s++; Char c = *s++;
if (c != '%') continue; if (c != '%') continue;
if (*s == c) { if (*s == c)
{
write(writer_, start, s); write(writer_, start, s);
start = ++s; start = ++s;
continue; continue;
@ -463,12 +486,15 @@ namespace fmt {
unsigned arg_index = parse_header(s, spec); unsigned arg_index = parse_header(s, spec);
// Parse precision. // Parse precision.
if (*s == '.') { if (*s == '.')
{
++s; ++s;
if ('0' <= *s && *s <= '9') { if ('0' <= *s && *s <= '9')
{
spec.precision_ = static_cast<int>(internal::parse_nonnegative_int(s)); spec.precision_ = static_cast<int>(internal::parse_nonnegative_int(s));
} }
else if (*s == '*') { else if (*s == '*')
{
++s; ++s;
spec.precision_ = internal::PrecisionHandler().visit(get_arg(s)); spec.precision_ = internal::PrecisionHandler().visit(get_arg(s));
} }
@ -478,7 +504,8 @@ namespace fmt {
Arg arg = get_arg(s, arg_index); Arg arg = get_arg(s, arg_index);
if (spec.flag(HASH_FLAG) && internal::IsZeroInt().visit(arg)) if (spec.flag(HASH_FLAG) && internal::IsZeroInt().visit(arg))
spec.flags_ &= ~internal::to_unsigned<int>(HASH_FLAG); spec.flags_ &= ~internal::to_unsigned<int>(HASH_FLAG);
if (spec.fill_ == '0') { if (spec.fill_ == '0')
{
if (arg.type <= Arg::LAST_NUMERIC_TYPE) if (arg.type <= Arg::LAST_NUMERIC_TYPE)
spec.align_ = ALIGN_NUMERIC; spec.align_ = ALIGN_NUMERIC;
else else
@ -487,7 +514,8 @@ namespace fmt {
// Parse length and convert the argument to the required type. // Parse length and convert the argument to the required type.
using internal::ArgConverter; using internal::ArgConverter;
switch (*s++) { switch (*s++)
{
case 'h': case 'h':
if (*s == 'h') if (*s == 'h')
ArgConverter<signed char>(arg, *++s).visit(arg); ArgConverter<signed char>(arg, *++s).visit(arg);
@ -522,10 +550,13 @@ namespace fmt {
if (!*s) if (!*s)
FMT_THROW(FormatError("invalid format string")); FMT_THROW(FormatError("invalid format string"));
spec.type_ = static_cast<char>(*s++); spec.type_ = static_cast<char>(*s++);
if (arg.type <= Arg::LAST_INTEGER_TYPE) { if (arg.type <= Arg::LAST_INTEGER_TYPE)
{
// Normalize type. // Normalize type.
switch (spec.type_) { switch (spec.type_)
case 'i': case 'u': {
case 'i':
case 'u':
spec.type_ = 'd'; spec.type_ = 'd';
break; break;
case 'c': case 'c':
@ -541,83 +572,83 @@ namespace fmt {
AF(writer_, spec).visit(arg); AF(writer_, spec).visit(arg);
} }
write(writer_, start, s); write(writer_, start, s);
} }
template <typename Char> template <typename Char>
void printf(BasicWriter<Char> &w, BasicCStringRef<Char> format, ArgList args) void printf(BasicWriter<Char> &w, BasicCStringRef<Char> format, ArgList args)
{ {
PrintfFormatter<Char>(args, w).format(format); PrintfFormatter<Char>(args, w).format(format);
} }
/** /**
\rst \rst
Formats arguments and returns the result as a string. Formats arguments and returns the result as a string.
**Example**:: **Example**::
std::string message = fmt::sprintf("The answer is %d", 42); std::string message = fmt::sprintf("The answer is %d", 42);
\endrst \endrst
*/ */
inline std::string sprintf(CStringRef format, ArgList args) inline std::string sprintf(CStringRef format, ArgList args)
{ {
MemoryWriter w; MemoryWriter w;
printf(w, format, args); printf(w, format, args);
return w.str(); 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; WMemoryWriter w;
printf(w, format, args); printf(w, format, args);
return w.str(); return w.str();
} }
FMT_VARIADIC_W(std::wstring, sprintf, WCStringRef) FMT_VARIADIC_W(std::wstring, sprintf, WCStringRef)
/** /**
\rst \rst
Prints formatted data to the file *f*. Prints formatted data to the file *f*.
**Example**:: **Example**::
fmt::fprintf(stderr, "Don't %s!", "panic"); fmt::fprintf(stderr, "Don't %s!", "panic");
\endrst \endrst
*/ */
FMT_API int fprintf(std::FILE *f, CStringRef format, ArgList args); FMT_API int fprintf(std::FILE *f, CStringRef format, ArgList args);
FMT_VARIADIC(int, fprintf, std::FILE *, CStringRef) FMT_VARIADIC(int, fprintf, std::FILE *, CStringRef)
/** /**
\rst \rst
Prints formatted data to ``stdout``. Prints formatted data to ``stdout``.
**Example**:: **Example**::
fmt::printf("Elapsed time: %.2f seconds", 1.23); fmt::printf("Elapsed time: %.2f seconds", 1.23);
\endrst \endrst
*/ */
inline int printf(CStringRef format, ArgList args) inline int printf(CStringRef format, ArgList args)
{ {
return fprintf(stdout, format, args); return fprintf(stdout, format, args);
} }
FMT_VARIADIC(int, printf, CStringRef) FMT_VARIADIC(int, printf, CStringRef)
/** /**
\rst \rst
Prints formatted data to the stream *os*. Prints formatted data to the stream *os*.
**Example**:: **Example**::
fprintf(cerr, "Don't %s!", "panic"); fprintf(cerr, "Don't %s!", "panic");
\endrst \endrst
*/ */
inline int fprintf(std::ostream &os, CStringRef format_str, ArgList args) inline int fprintf(std::ostream &os, CStringRef format_str, ArgList args)
{ {
MemoryWriter w; MemoryWriter w;
printf(w, format_str, args); printf(w, format_str, args);
internal::write(os, w); internal::write(os, w);
return static_cast<int>(w.size()); return static_cast<int>(w.size());
} }
FMT_VARIADIC(int, fprintf, std::ostream &, CStringRef) FMT_VARIADIC(int, fprintf, std::ostream &, CStringRef)
} // namespace fmt } // namespace fmt
#ifdef FMT_HEADER_ONLY #ifdef FMT_HEADER_ONLY

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