TarnaWijaya
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36 lines
1004 B
Go
36 lines
1004 B
Go
package cmd
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import "sync"
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// commands holds a list of registered commands indexed by their name.
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var commands sync.Map
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// Register registers a command with its name and all aliases that it has. Any command with the same name or
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// aliases will be overwritten.
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func Register(command Command) {
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commands.Store(command.name, command)
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for _, alias := range command.aliases {
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commands.Store(alias, command)
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}
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}
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// ByAlias looks up a command by an alias. If found, the command and true are returned. If not, the returned
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// command is nil and the bool is false.
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func ByAlias(alias string) (Command, bool) {
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command, ok := commands.Load(alias)
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if !ok {
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return Command{}, false
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}
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return command.(Command), ok
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}
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// Commands returns a map of all registered commands indexed by the alias they were registered with.
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func Commands() map[string]Command {
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cmd := make(map[string]Command)
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commands.Range(func(key, value any) bool {
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cmd[key.(string)] = value.(Command)
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return true
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})
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return cmd
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}
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