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91 lines
2.5 KiB
91 lines
2.5 KiB
/* |
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* Copyright (C) 2022 Riyyi |
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* |
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* SPDX-License-Identifier: MIT |
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*/ |
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#include <cstdint> // uint8_t |
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#include <cstring> // strlen |
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#include <string> |
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#include <string_view> |
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#include "util/format/builder.h" |
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#include "util/format/formatter.h" |
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#include "util/format/parser.h" |
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namespace Util::Format { |
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// Char |
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template<> |
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void Formatter<char>::format(Builder& builder, char value) const |
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{ |
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if (specifier.type != PresentationType::None && specifier.type != PresentationType::Character) { |
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// "Type char is a distinct type that has an implementation-defined |
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// choice of “signed char” or “unsigned char” as its underlying type." |
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// http://eel.is/c++draft/basic#fundamental |
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Formatter<signed char> formatter { .specifier = specifier }; |
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return formatter.format(builder, static_cast<signed char>(value)); |
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} |
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Formatter<std::string_view> formatter { .specifier = specifier }; |
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return formatter.format(builder, { &value, 1 }); |
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} |
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template<> |
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void Formatter<bool>::format(Builder& builder, bool value) const |
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{ |
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switch (specifier.type) { |
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case PresentationType::Binary: |
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case PresentationType::BinaryUppercase: |
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case PresentationType::Character: |
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case PresentationType::Decimal: |
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case PresentationType::Octal: |
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case PresentationType::Hex: |
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case PresentationType::HexUppercase: { |
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Formatter<uint8_t> formatter { .specifier = specifier }; |
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return formatter.format(builder, static_cast<uint8_t>(value)); |
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} |
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default: |
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break; |
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}; |
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Formatter<std::string_view> formatter { .specifier = specifier }; |
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formatter.format(builder, value ? "true" : "false"); |
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} |
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// String |
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template<> |
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void Formatter<std::string_view>::format(Builder& builder, std::string_view value) const |
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{ |
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builder.putString(value, specifier.fill, specifier.align, specifier.width); |
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} |
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void Formatter<const char*>::parse(Parser& parser) |
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{ |
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parser.parseSpecifier(specifier, Parser::ParameterType::CString); |
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} |
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void Formatter<const char*>::format(Builder& builder, const char* value) const |
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{ |
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if (specifier.type == PresentationType::Pointer) { |
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Formatter<uintptr_t> formatter { .specifier = specifier }; |
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formatter.specifier.alternativeForm = true; |
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formatter.specifier.type = PresentationType::Hex; |
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return formatter.format(builder, reinterpret_cast<uintptr_t>(value)); |
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} |
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Formatter<std::string_view>::format( |
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builder, |
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value != nullptr ? std::string_view { value, strlen(value) } : "nullptr"); |
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} |
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// Pointer |
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void Formatter<std::nullptr_t>::format(Builder& builder, std::nullptr_t) const |
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{ |
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Formatter<const void*>::format(builder, 0); |
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} |
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} // namespace Util::Format
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