68 lines
1.4 KiB
Go
68 lines
1.4 KiB
Go
package whois
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import (
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"flag"
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"strings"
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)
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func shellSplit(s string) []string {
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split := strings.Split(s, " ")
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var result []string
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var inquote string
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var block string
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for _, i := range split {
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if inquote == "" {
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if strings.HasPrefix(i, "'") || strings.HasPrefix(i, "\"") {
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inquote = string(i[0])
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block = strings.TrimPrefix(i, inquote) + " "
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} else {
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result = append(result, i)
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}
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} else {
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if !strings.HasSuffix(i, inquote) {
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block += i + " "
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} else {
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block += strings.TrimSuffix(i, inquote)
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inquote = ""
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result = append(result, block)
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block = ""
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}
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}
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}
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return result
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}
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type Flags struct {
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ServerInfo string
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TypeSchema string
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Types map[string]bool
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Args []string
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}
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func parseFlags(request string) (*Flags, *flag.FlagSet, error) {
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args := shellSplit(request)
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set := flag.NewFlagSet("whois42d", flag.ContinueOnError)
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var typeField string
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f := Flags{}
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set.StringVar(&f.ServerInfo, "q", "", "[version|sources|types] query specified server info")
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set.StringVar(&f.TypeSchema, "t", "", "request template for object of TYPE")
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set.StringVar(&typeField, "T", "", "TYPE[,TYPE]... only look for objects of TYPE")
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if err := set.Parse(args); err != nil {
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return nil, set, err
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}
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if typeField != "" {
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types := strings.Split(typeField, ",")
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f.Types = make(map[string]bool, len(types))
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for _, t := range types {
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f.Types[t] = true
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}
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}
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f.Args = set.Args()
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return &f, set, nil
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}
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