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48 lines
1.1 KiB
Go
48 lines
1.1 KiB
Go
// Copyright 2022 Robert S. Muhlestein.
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// SPDX-License-Identifier: Apache-2.0
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package comp
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import (
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"github.com/rwxrob/bonzai/filt"
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"github.com/rwxrob/bonzai/set"
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)
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// Standard completion is resolved as follows:
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//
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// 1. If leaf has Completer function, delegate to it
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//
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// 2. If leaf has no arguments, return all Commands and Params
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//
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// 3. If first argument is the name of a Command return it only even
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// if in the Hidden list
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//
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// 4. Otherwise, return every Command or Param that is not in the
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// Hidden list and HasPrefix matching the first arg
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//
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// See comp.Completer.
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func Standard(x Command, args ...string) []string {
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// if has completer, delegate
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if c := x.GetCompleter(); c != nil {
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return c(x, args...)
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}
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// not sure we've completed the command name itself yet
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if len(args) == 0 {
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return []string{x.GetName()}
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}
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// build list of visible commands and params
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list := []string{}
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list = append(list, x.GetCommands()...)
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list = append(list, x.GetParams()...)
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list = set.Minus(list, x.GetHidden())
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if len(args) == 0 {
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return list
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}
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return filt.HasPrefix(list, args[0])
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}
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