52 lines
1.3 KiB
Go
52 lines
1.3 KiB
Go
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package main
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import (
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"flag"
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"fmt"
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"os"
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)
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// Flags supplied to cli.
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type Flags struct {
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ConfigPath string
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HTTPBind string
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HTTPPort uint
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ListMidiDevices bool
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}
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// Parse the supplied flags.
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func (a *App) ParseFlags() {
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app.flags = new(Flags)
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flag.Usage = func() {
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fmt.Printf(serviceName + ": " + serviceDescription + ".\n\nUsage:\n")
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flag.PrintDefaults()
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}
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// If version is requested.
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var printVersion bool
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flag.BoolVar(&printVersion, "v", false, "Print version")
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// Override configuration path.
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usage := "Load configuration from `FILE`"
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flag.StringVar(&app.flags.ConfigPath, "config", "", usage)
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flag.StringVar(&app.flags.ConfigPath, "c", "", usage+" (shorthand)")
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// Config overrides for http configurations.
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flag.StringVar(&app.flags.HTTPBind, "http-bind", "", "Bind address for http server")
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flag.UintVar(&app.flags.HTTPPort, "http-port", 0, "Bind port for http server")
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// Lists available devices.
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usage = "List available midi devices for use in configurations"
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flag.BoolVar(&app.flags.ListMidiDevices, "list", false, usage)
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flag.BoolVar(&app.flags.ListMidiDevices, "l", false, usage+" (shorthand)")
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// Parse the flags.
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flag.Parse()
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// Print version and exit if requested.
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if printVersion {
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fmt.Println(serviceName + ": " + serviceVersion)
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os.Exit(0)
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}
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}
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