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80 lines
1.4 KiB
80 lines
1.4 KiB
package device
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import (
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"git.aiterp.net/lucifer3/server/internal/gentools"
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"strings"
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)
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type PointerMatcher interface {
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Match(str string) bool
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}
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type Pointer struct {
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ID string `json:"id"`
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Aliases []string `json:"aliases"`
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}
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func (p *Pointer) AddAlias(alias string) (added *string, removed *string) {
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if !strings.HasPrefix(alias, "lucifer:") {
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return
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}
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for _, alias2 := range p.Aliases {
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if alias2 == alias {
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return
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}
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}
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if strings.HasPrefix(alias, "lucifer:name:") {
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for i, alias2 := range p.Aliases {
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if strings.HasPrefix(alias2, "lucifer:name:") {
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p.Aliases = append(p.Aliases[:i], p.Aliases[i+1:]...)
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removed = gentools.ShallowCopy(&alias2)
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break
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}
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}
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}
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added = gentools.ShallowCopy(&alias)
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p.Aliases = append(p.Aliases, alias)
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return
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}
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func (p *Pointer) RemoveAlias(alias string) bool {
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if strings.HasPrefix(alias, "lucifer:name:") {
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// Name cannot be removed like this.
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return false
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}
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for i, alias2 := range p.Aliases {
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if alias2 == alias {
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p.Aliases = append(p.Aliases[:i], p.Aliases[i+1:]...)
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return true
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}
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}
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return false
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}
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func (p *Pointer) Name() string {
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for _, alias := range p.Aliases {
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if strings.HasPrefix(alias, "lucifer:name:") {
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return alias
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}
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}
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return ""
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}
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func (p *Pointer) Matches(matcher PointerMatcher) bool {
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if matcher.Match(p.ID) {
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return true
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}
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for _, alias := range p.Aliases {
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if matcher.Match(alias) {
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return true
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}
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}
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return false
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}
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