82 lines
1.3 KiB
Go
82 lines
1.3 KiB
Go
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package wand
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import (
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"fmt"
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"io"
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"strings"
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)
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type (
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synopsis struct{}
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docOptions struct{}
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docArguments struct{}
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docSubcommands struct{}
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)
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type doc struct {
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name string
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synopsis synopsis
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description string
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options docOptions
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arguments docArguments
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subcommands docSubcommands
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}
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func help() Cmd {
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return Cmd{
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name: "help",
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isHelp: true,
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}
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}
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func insertHelp(cmd Cmd) Cmd {
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var hasHelpCmd bool
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for i, sc := range cmd.subcommands {
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cmd.subcommands[i] = insertHelp(sc)
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if cmd.name == "help" {
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hasHelpCmd = true
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}
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}
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if !hasHelpCmd {
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cmd.subcommands = append(cmd.subcommands, help())
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}
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return cmd
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}
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func hasHelpSubcommand(cmd Cmd) bool {
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for _, sc := range cmd.subcommands {
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if sc.isHelp {
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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 hasCustomHelpOption(cmd Cmd) bool {
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mf := mapFields(cmd.impl)
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_, has := mf["help"]
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return has
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}
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func suggestHelp(out io.Writer, cmd Cmd, fullCommand []string) {
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if hasHelpSubcommand(cmd) {
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fmt.Fprintf(out, "Show help:\n%s help\n", strings.Join(fullCommand, " "))
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return
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}
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if !hasCustomHelpOption(cmd) {
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fmt.Fprintf(out, "Show help:\n%s --help\n", strings.Join(fullCommand, " "))
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return
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}
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}
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func constructDoc(cmd Cmd, fullCommand []string) doc {
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return doc{}
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}
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func showHelp(out io.Writer, cmd Cmd, fullCommand []string) {
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}
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