50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
package tag
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import (
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"log"
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"github.com/brtholomy/um/go/flags"
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)
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type options struct {
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Query flags.Arg
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Date flags.Flag[string]
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Invert flags.Flag[bool]
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Help flags.Flag[bool]
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}
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func initOpts() options {
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return options{
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flags.Arg{"", "tag query"},
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flags.Flag[string]{"--date", "-d", "", "date range"},
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flags.Flag[bool]{"--invert", "-i", false, "invert match"},
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flags.Flag[bool]{"--help", "-h", false, "show help"},
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}
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}
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func parseArgs(args []string) options {
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opts := initOpts()
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for i, arg := range args {
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switch {
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case i == 0 && !flags.HasDashPrefix(arg):
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opts.Query.Val = arg
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case arg == opts.Invert.Long || arg == opts.Invert.Short:
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opts.Invert.Val = true
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case arg == opts.Date.Long || arg == opts.Date.Short:
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// TODO: should we use reflection here for a general Valid(arg, opts.Field)?
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flags.ValidValueOrExit(args, i)
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opts.Date.Val = args[i+1]
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case arg == opts.Help.Long || arg == opts.Help.Short:
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flags.Help("tag", opts)
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default:
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log.Println("um tag: invalid argument")
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flags.Help("tag", opts)
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}
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}
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return opts
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}
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func Tag(args []string) {
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opts := parseArgs(args)
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log.Println(opts)
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}
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