32 lines
1.1 KiB
C++
32 lines
1.1 KiB
C++
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#pragma once
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#include <base/fixed_string.hpp>
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#include <bit>
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namespace base {
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/// Type system magic
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enum class FourCC32_t : u32 {};
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template <FixedString fccString, std::endian Endian = std::endian::little>
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consteval FourCC32_t FourCC32() {
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static_assert(fccString.Length() == 4, "Provided string is not a FourCC");
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switch(Endian) {
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case std::endian::little:
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return static_cast<FourCC32_t>((fccString[0]) | (fccString[1] << 8) | (fccString[2] << 16) | (fccString[3] << 24));
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case std::endian::big:
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return static_cast<FourCC32_t>((fccString[0] << 24) | (fccString[1] << 16) | (fccString[2] << 8) | fccString[3]);
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// endian::native is practically implemented in most standard libraries
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// by aliasing the native endian enumerator, so that it will match
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// one of the two cases here. therefore this code is literally useless
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// and i have no idea why i even wrote it 4 years ago :')
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//default:
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// throw "Invalid endian provided? How'd you do that?"; // NOLINT
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}
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}
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// TODO: 64-bit version which returns a u64 (if required?)
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} // namespace base
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