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// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package types
import (
"encoding"
"fmt"
"reflect"
"strings"
)
func LoadArgs(args string, container interface{}) error {
if args == "" {
return nil
}
containerValue := reflect.ValueOf(container)
pairs := strings.Split(args, ";")
for _, pair := range pairs {
kv := strings.Split(pair, "=")
if len(kv) != 2 {
return fmt.Errorf("ARGS: invalid pair %q", pair)
}
keyString := kv[0]
valueString := kv[1]
keyField := containerValue.Elem().FieldByName(keyString)
if !keyField.IsValid() {
return fmt.Errorf("ARGS: invalid key %q", keyString)
}
u := keyField.Addr().Interface().(encoding.TextUnmarshaler)
err := u.UnmarshalText([]byte(valueString))
if err != nil {
return fmt.Errorf("ARGS: error parsing value of pair %q: %v)", pair, err)
}
}
return nil
}
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