AK: Add formatter for boolean values.

This commit is contained in:
asynts 2020-09-30 13:26:24 +02:00 committed by Andreas Kling
parent 7e9cd8a860
commit ebafc5b4d2
3 changed files with 39 additions and 0 deletions

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@ -460,6 +460,17 @@ void Formatter<T, typename EnableIf<IsIntegral<T>::value>::Type>::format(StringB
PrintfImplementation::convert_signed_to_string(value, builder, base, m_alternative_form, upper_case, m_zero_pad, align, width, m_fill, sign_mode);
}
void Formatter<bool>::format(StringBuilder& builder, bool value, FormatterContext& context)
{
if (m_mode == Mode::Binary || m_mode == Mode::BinaryUppercase || m_mode == Mode::Decimal || m_mode == Mode::Octal || m_mode == Mode::Hexadecimal || m_mode == Mode::HexadecimalUppercase) {
Formatter<u8> formatter { *this };
return formatter.format(builder, static_cast<u8>(value), context);
} else {
Formatter<StringView> formatter { *this };
formatter.format(builder, value ? "true" : "false", context);
}
}
template struct Formatter<unsigned char, void>;
template struct Formatter<unsigned short, void>;
template struct Formatter<unsigned int, void>;

View file

@ -166,6 +166,12 @@ struct StandardFormatter {
template<>
struct Formatter<StringView> : StandardFormatter {
Formatter() { }
explicit Formatter(StandardFormatter formatter)
: StandardFormatter(formatter)
{
}
void format(StringBuilder& builder, StringView value, FormatterContext&);
};
template<>
@ -183,9 +189,20 @@ struct Formatter<String> : Formatter<StringView> {
template<typename T>
struct Formatter<T, typename EnableIf<IsIntegral<T>::value>::Type> : StandardFormatter {
Formatter() { }
explicit Formatter(StandardFormatter formatter)
: StandardFormatter(formatter)
{
}
void format(StringBuilder&, T value, FormatterContext&);
};
template<>
struct Formatter<bool> : StandardFormatter {
void format(StringBuilder&, bool value, FormatterContext&);
};
template<typename... Parameters>
Array<TypeErasedParameter, sizeof...(Parameters)> make_type_erased_parameters(const Parameters&... parameters)
{

View file

@ -136,4 +136,15 @@ TEST_CASE(cast_integer_to_character)
EXPECT_EQ(String::formatted("{:c}", static_cast<unsigned int>('f')), "f");
}
TEST_CASE(boolean_values)
{
EXPECT_EQ(String::formatted("{}", true), "true");
EXPECT_EQ(String::formatted("{}", false), "false");
EXPECT_EQ(String::formatted("{:6}", true), "true ");
EXPECT_EQ(String::formatted("{:>4}", false), "false");
EXPECT_EQ(String::formatted("{:d}", false), "0");
EXPECT_EQ(String::formatted("{:d}", true), "1");
EXPECT_EQ(String::formatted("{:#08x}", true), "0x000001");
}
TEST_MAIN(Format)