/
argv.go
52 lines (42 loc) · 893 Bytes
/
argv.go
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package conf
import (
"strings"
)
type argv struct {
args []string
}
func (a argv) Apply(conf *Conf) error {
for i, arg := range a.args {
argIsFlag := strings.HasPrefix(arg, "-")
if !argIsFlag {
continue
}
var nextArg string
if i+1 < len(a.args) {
nextArg = a.args[i+1]
}
argHasValue := strings.Contains(arg, "=")
nextArgIsFlag := strings.HasPrefix(nextArg, "-")
var value interface{}
if argHasValue {
split := strings.SplitN(arg, "=", 2)
arg = split[0]
value = trimQuotes(split[1])
} else if !nextArgIsFlag && nextArg != "" {
value = trimQuotes(nextArg)
} else if nextArgIsFlag {
value = true
}
if value != nil {
arg = strings.TrimLeft(arg, "-")
conf.Set(arg, value)
}
}
return nil
}
// trim leading and trailing " and '
func trimQuotes(s string) string {
s = strings.Trim(s, `"`)
s = strings.Trim(s, `'`)
return s
}