88 lines
1.6 KiB
Go
88 lines
1.6 KiB
Go
package next
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import (
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"errors"
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"fmt"
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"strconv"
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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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Descriptor flags.Arg
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Tags flags.Arg
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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{"", "midfix file descriptor"},
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flags.Arg{"", "tags to add to new file"},
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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.Descriptor.Val = arg
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case i == 1 && !flags.HasDashPrefix(arg):
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opts.Tags.Val = arg
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case i >= 2:
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fmt.Println("um next : too many args")
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flags.Help("next", opts)
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case arg == opts.Help.Long || arg == opts.Help.Short:
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flags.Help("next", opts)
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}
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}
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return opts
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}
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func parseFile(last string) (string, string, error) {
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res := fileRegexp.FindStringSubmatch(last)
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num := ""
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desc := ""
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if len(res) < 2 {
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return num, desc, errors.New("no um files in current dir")
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}
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num = res[1]
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if len(res) > 2 {
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desc = res[2]
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}
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return num, desc, nil
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}
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func next(last string) (string, error) {
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num, desc, err := parseFile(last)
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if err != nil {
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return "", err
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}
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i, err := strconv.Atoi(num)
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if err != nil {
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return "", err
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}
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if desc != "" {
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desc = desc + "."
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}
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width := len(num)
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fmtstr := fmt.Sprintf("%%0%dd.%%smd", width)
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n := fmt.Sprintf(fmtstr, i+1, desc)
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return n, nil
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}
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func Next(args []string) {
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opts := parseArgs(args)
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fmt.Println(opts)
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l, err := last()
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if err != nil {
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fmt.Printf("err: %v\n", err)
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}
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n, err := next(l)
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if err != nil {
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fmt.Printf("err: %v\n", err)
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}
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fmt.Println(n)
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}
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