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feat: add getters for flag completions #1943

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Merged
merged 1 commit into from
Sep 26, 2023
Merged

feat: add getters for flag completions #1943

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19 changes: 19 additions & 0 deletions completions.go
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Original file line number Diff line number Diff line change
Expand Up @@ -145,6 +145,25 @@ func (c *Command) RegisterFlagCompletionFunc(flagName string, f func(cmd *Comman
return nil
}

// GetFlagCompletion returns the completion function for the given flag, if available.
func GetFlagCompletion(flag *pflag.Flag) (func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective), bool) {
flagCompletionMutex.RLock()
defer flagCompletionMutex.RUnlock()

completionFunc, exists := flagCompletionFunctions[flag]
return completionFunc, exists
}

// GetFlagCompletionByName returns the completion function for the given flag in the command by name, if available.
func (c *Command) GetFlagCompletionByName(flagName string) (func(cmd *Command, args []string, toComplete string) ([]string, ShellCompDirective), bool) {
flag := c.Flags().Lookup(flagName)
if flag == nil {
return nil, false
}

return GetFlagCompletion(flag)
}

// Returns a string listing the different directive enabled in the specified parameter
func (d ShellCompDirective) string() string {
var directives []string
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