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AK+Format: Make it possible to format characters as integers.

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asynts 2020-10-07 14:25:19 +02:00 committed by Andreas Kling
parent 2217d6b560
commit d546d31a53
Notes: sideshowbarker 2024-07-19 01:59:13 +09:00 
Author: https://github.com/asynts
Commit: https://github.com/SerenityOS/serenity/commit/d546d31a531
Pull-request: https://github.com/SerenityOS/serenity/pull/3705
Reviewed-by: https://github.com/awesomekling
2 changed files with 13 additions and 6 deletions
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11
AK/Format.cpp
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@ -549,6 +549,17 @@ void Formatter<T, typename EnableIf<IsIntegral<T>::value>::Type>::format(TypeEra
builder.put_i64(value, base, m_alternative_form, upper_case, m_zero_pad, m_align, width, m_fill, m_sign_mode);
}
void Formatter<char>::format(TypeErasedFormatParams& params, FormatBuilder& builder, char value)
{
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) {
// Trick: signed char != char. (Sometimes weird features are actually helpful.)
Formatter<signed char> formatter { *this };
return formatter.format(params, builder, static_cast<signed char>(value));
} else {
Formatter<StringView> formatter { *this };
return formatter.format(params, builder, { &value, 1 });
}
}
void Formatter<bool>::format(TypeErasedFormatParams& params, FormatBuilder& builder, bool value)
{
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) {

8
AK/Format.h
View file

@ -295,13 +295,9 @@ struct Formatter<T*> : StandardFormatter {
};
template<>
struct Formatter<char> : Formatter<StringView> {
void format(TypeErasedFormatParams& params, FormatBuilder& builder, char value)
{
Formatter<StringView>::format(params, builder, { &value, 1 });
}
struct Formatter<char> : StandardFormatter {
void format(TypeErasedFormatParams&, FormatBuilder&, char value);
};
template<>
struct Formatter<bool> : StandardFormatter {
void format(TypeErasedFormatParams&, FormatBuilder&, bool value);