Util: Add integral formatting to char and bool types

src/util/format/formatter.cpp

@@ -21,13 +21,38 @@ namespace Util::Format {
 template<>
 void Formatter<char>::format(Builder& builder, char value) const
 {
-	builder.putCharacter(value);
+	if (specifier.type != PresentationType::None && specifier.type != PresentationType::Character) {
+		// "Type char is a distinct type that has an implementation-defined
+		// choice of “signed char” or “unsigned char” as its underlying type."
+		// http://eel.is/c++draft/basic#fundamental
+		Formatter<signed char> formatter { .specifier = specifier };
+		return formatter.format(builder, static_cast<signed char>(value));
+	}
+
+	Formatter<std::string_view> formatter { .specifier = specifier };
+	return formatter.format(builder, { &value, 1 });
 }
 
 template<>
 void Formatter<bool>::format(Builder& builder, bool value) const
 {
-	builder.putString(value ? "true" : "false");
+	switch (specifier.type) {
+	case PresentationType::Binary:
+	case PresentationType::BinaryUppercase:
+	case PresentationType::Character:
+	case PresentationType::Decimal:
+	case PresentationType::Octal:
+	case PresentationType::Hex:
+	case PresentationType::HexUppercase: {
+		Formatter<uint8_t> formatter { .specifier = specifier };
+		return formatter.format(builder, static_cast<uint8_t>(value));
+	}
+	default:
+		break;
+	};
+
+	Formatter<std::string_view> formatter { .specifier = specifier };
+	formatter.format(builder, value ? "true" : "false");
 }
 
 // String

src/util/format/formatter.h

@@ -68,7 +68,10 @@ struct Formatter {
 
 	constexpr void parse(Parser& parser)
 	{
-		if (std::is_same_v<T, char>) {
+		if constexpr (std::is_same_v<T, char>) {
+			parser.parseSpecifier(specifier, Parser::ParameterType::Char);
+		}
+		else if (std::is_same_v<T, bool>) {
 			parser.parseSpecifier(specifier, Parser::ParameterType::Char);
 		}
 		else if (std::is_same_v<T, std::string_view>) {