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https://github.com/bolero-MURAKAMI/Sprout.git
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47 lines
1 KiB
C++
47 lines
1 KiB
C++
#ifndef SPROUT_ENDIAN_TRAITS_HPP
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#define SPROUT_ENDIAN_TRAITS_HPP
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#include <cstddef>
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#include <climits>
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#include <sprout/config.hpp>
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namespace sprout {
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//
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// big_endian_traits
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//
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template<typename T>
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class big_endian_traits {
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public:
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typedef T type;
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public:
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static SPROUT_CONSTEXPR std::size_t size() {
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return sizeof(type);
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}
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static SPROUT_CONSTEXPR unsigned char get_byte(type const& t, std::size_t i) {
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return static_cast<unsigned char>(
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(t & (UCHAR_MAX << CHAR_BIT * ((size() - 1) - i)))
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>> CHAR_BIT * ((size() - 1) - i)
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);
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}
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};
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//
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// little_endian_traits
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//
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template<typename T>
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class little_endian_traits {
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public:
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typedef T type;
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public:
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static SPROUT_CONSTEXPR std::size_t size() {
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return sizeof(type);
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}
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static SPROUT_CONSTEXPR unsigned char get_byte(type const& t, std::size_t i) {
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return static_cast<unsigned char>(
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(t & (UCHAR_MAX << CHAR_BIT * i))
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>> CHAR_BIT * i
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);
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}
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};
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} // namespace sprout
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#endif // #ifndef SPROUT_ENDIAN_TRAITS_HPP
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