package bitutil import ( "strings" "codeberg.org/gruf/go-bytes" ) {{ range $idx, $size := . }} // Flags{{ $size.Size }} is a type-casted unsigned integer with helper // methods for easily managing up to {{ $size.Size }} bit flags. type Flags{{ $size.Size }} uint{{ $size.Size }} // Get will fetch the flag bit value at index 'bit'. func (f Flags{{ $size.Size }}) Get(bit uint8) bool { mask := Flags{{ $size.Size }}(1) << bit return (f & mask != 0) } // Set will set the flag bit value at index 'bit'. func (f Flags{{ $size.Size }}) Set(bit uint8) Flags{{ $size.Size }} { mask := Flags{{ $size.Size }}(1) << bit return f | mask } // Unset will unset the flag bit value at index 'bit'. func (f Flags{{ $size.Size }}) Unset(bit uint8) Flags{{ $size.Size }} { mask := Flags{{ $size.Size }}(1) << bit return f & ^mask } {{ range $idx := $size.Bits }} // Get{{ $idx }} will fetch the flag bit value at index {{ $idx }}. func (f Flags{{ $size.Size }}) Get{{ $idx }}() bool { const mask = Flags{{ $size.Size }}(1) << {{ $idx }} return (f & mask != 0) } // Set{{ $idx }} will set the flag bit value at index {{ $idx }}. func (f Flags{{ $size.Size }}) Set{{ $idx }}() Flags{{ $size.Size }} { const mask = Flags{{ $size.Size }}(1) << {{ $idx }} return f | mask } // Unset{{ $idx }} will unset the flag bit value at index {{ $idx }}. func (f Flags{{ $size.Size }}) Unset{{ $idx }}() Flags{{ $size.Size }} { const mask = Flags{{ $size.Size }}(1) << {{ $idx }} return f & ^mask } {{ end }} // String returns a human readable representation of Flags{{ $size.Size }}. func (f Flags{{ $size.Size }}) String() string { var val bool var buf bytes.Buffer buf.WriteByte('{') {{ range $idx := .Bits }} val = f.Get{{ $idx }}() buf.WriteString(bool2str(val) + " ") {{ end }} buf.Truncate(1) buf.WriteByte('}') return buf.String() } // GoString returns a more verbose human readable representation of Flags{{ $size.Size }}. func (f Flags{{ $size.Size }})GoString() string { var val bool var buf bytes.Buffer buf.WriteString("bitutil.Flags{{ $size.Size }}{") {{ range $idx := .Bits }} val = f.Get{{ $idx }}() buf.WriteString("{{ $idx }}="+bool2str(val)+" ") {{ end }} buf.Truncate(1) buf.WriteByte('}') return buf.String() } {{ end }} func bool2str(b bool) string { if b { return "true" } return "false" }