35 lines
1 KiB
C++
35 lines
1 KiB
C++
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#pragma once
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#include "types.hpp"
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template <typename EnumType>
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class FlagManager
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{
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EnumType flags;
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public:
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static constexpr size_t size = sizeof(EnumType) * 8;
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FlagManager(EnumType flags) : flags(flags) {}
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[[nodiscard]]
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bool get(EnumType flag) const { return (flags & flag) == flag; }
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void set(EnumType flag) { flags |= flag; }
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void clear(EnumType flag) { flags &= ~flag; }
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void toggle(EnumType flag) { flags ^= flag; }
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[[nodiscard]]
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bool any() const { return flags; }
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void set_all() { flags = EnumType(-1); }
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void clear_all() { flags = 0; }
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bool operator==(const FlagManager& other) const { return flags == other.flags; }
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bool operator!=(const FlagManager& other) const { return flags != other.flags; }
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// return true if every bit in *this is set in other
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bool of(FlagManager& other) const { return (flags & other.flags) == flags; }
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// return true if every bit in *this is set in other
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bool of(EnumType other) const { return (flags & other) == flags; }
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};
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template <typename EnumType>
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using Flagman = FlagManager<EnumType>;
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