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AK: Add formatters for floating point numbers.

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asynts 2020-11-09 11:34:44 +01:00 • committed by Andreas Kling
parent 3b3edbc4d2
commit 32957745fb
3 changed files with 132 additions and 1 deletions
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37
AK/Format.h
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@ -157,7 +157,22 @@ public:
char fill = ' ',
SignMode sign_mode = SignMode::OnlyIfNeeded);
const StringBuilder& builder() const { return m_builder; }
#ifndef KERNEL
void put_f64(
double value,
u8 base = 10,
bool upper_case = false,
Align align = Align::Right,
size_t min_width = 0,
size_t precision = 6,
char fill = ' ',
SignMode sign_mode = SignMode::OnlyIfNeeded);
#endif
const StringBuilder& builder() const
{
return m_builder;
}
StringBuilder& builder() { return m_builder; }
private:
@ -218,6 +233,9 @@ struct StandardFormatter {
Character,
String,
Pointer,
Float,
Hexfloat,
HexfloatUppercase,
};
static constexpr size_t value_not_set = NumericLimits<size_t>::max();
@ -303,6 +321,23 @@ struct Formatter<bool> : StandardFormatter {
void format(TypeErasedFormatParams&, FormatBuilder&, bool value);
};
#ifndef KERNEL
template<>
struct Formatter<float> : StandardFormatter {
void format(TypeErasedFormatParams&, FormatBuilder&, float value);
};
template<>
struct Formatter<double> : StandardFormatter {
Formatter() { }
explicit Formatter(StandardFormatter formatter)
: StandardFormatter(formatter)
{
}
void format(TypeErasedFormatParams&, FormatBuilder&, double value);
};
#endif
void vformat(StringBuilder& builder, StringView fmtstr, TypeErasedFormatParams);
void vformat(const LogStream& stream, StringView fmtstr, TypeErasedFormatParams);