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92 lines
2.0 KiB
92 lines
2.0 KiB
// ------------------------------------------------------------------------
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// Project atila
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// Active Thing (activething.com) git.activething.com/go
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//
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// File name bflag_16.go
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// Created by DEV
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// Modified 15/02/2024
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//
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// Copyright 2024 activething.com
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// ------------------------------------------------------------------------
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ------------------------------------------------------------------------
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package bits
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import (
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"math/bits"
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)
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type BFlags16 uint16
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func (f BFlags16) Has ( flag BFlags16) bool {
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return f&flag != 0 }
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func (f BFlags16) Add ( flag BFlags16) BFlags16 {
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return f|flag }
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func (f BFlags16) AddWithMask ( flag BFlags16, mask BFlags16) BFlags16 {
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return (f&mask) | flag }
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func (f BFlags16) Del ( flag BFlags16) BFlags16 {
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return f&^flag }
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func (f BFlags16) Invert () BFlags16 {
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return ^f }
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func (f BFlags16) Count() int {
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return bits.OnesCount16(uint16(f)) }
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func (f BFlags16) Extract() []BFlags16 {
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if f == 0 {
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return []BFlags16{}
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}
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l := make([]BFlags16,0,16)
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c := BFlags16(1)
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for i:=1; i<= 7; i++ {
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if c&f == c {
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l = append(l,c)
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}
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c <<= 1
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}
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return l
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}
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func (f BFlags16) FlagsToNames (namer func(flags BFlags16) string) []string {
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if f == 0 {
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return []string{}
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}
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l := make([]string,0,16)
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c := BFlags16(1)
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for i:=1; i<= 7; i++ {
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if c&f == c {
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l = append(l,namer(c))
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}
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c <<= 1
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}
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return l
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}
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func (f BFlags16) NamesToFlags (names []string, flagger func(name string) BFlags16) BFlags16 {
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for _,s := range names {
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f|=flagger(s)
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}
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return f
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} |