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45 lines
1.9 KiB
Go
45 lines
1.9 KiB
Go
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package cli
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// BashCompleteFunc is an action to execute when the shell completion flag is set
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type BashCompleteFunc func(*Context)
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// BeforeFunc is an action to execute before any subcommands are run, but after
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// the context is ready if a non-nil error is returned, no subcommands are run
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type BeforeFunc func(*Context) error
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// AfterFunc is an action to execute after any subcommands are run, but after the
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// subcommand has finished it is run even if Action() panics
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type AfterFunc func(*Context) error
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// ActionFunc is the action to execute when no subcommands are specified
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type ActionFunc func(*Context) error
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// CommandNotFoundFunc is executed if the proper command cannot be found
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type CommandNotFoundFunc func(*Context, string)
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// OnUsageErrorFunc is executed if an usage error occurs. This is useful for displaying
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// customized usage error messages. This function is able to replace the
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// original error messages. If this function is not set, the "Incorrect usage"
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// is displayed and the execution is interrupted.
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type OnUsageErrorFunc func(context *Context, err error, isSubcommand bool) error
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// ExitErrHandlerFunc is executed if provided in order to handle exitError values
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// returned by Actions and Before/After functions.
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type ExitErrHandlerFunc func(context *Context, err error)
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// FlagStringFunc is used by the help generation to display a flag, which is
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// expected to be a single line.
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type FlagStringFunc func(Flag) string
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// FlagNamePrefixFunc is used by the default FlagStringFunc to create prefix
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// text for a flag's full name.
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type FlagNamePrefixFunc func(fullName []string, placeholder string) string
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// FlagEnvHintFunc is used by the default FlagStringFunc to annotate flag help
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// with the environment variable details.
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type FlagEnvHintFunc func(envVars []string, str string) string
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// FlagFileHintFunc is used by the default FlagStringFunc to annotate flag help
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// with the file path details.
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type FlagFileHintFunc func(filePath, str string) string
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