/
util.go
81 lines (63 loc) · 1.35 KB
/
util.go
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package config
import (
"errors"
"fmt"
"reflect"
"strconv"
"strings"
)
func convert(input interface{}) interface{} {
if _, ok := input.(map[interface{}]interface{}); !ok {
return input
}
v2 := make(map[string]interface{})
for key, value := range input.(map[interface{}]interface{}) {
k := toString(key)
v2[k] = value
}
return v2
}
func value(name string, values interface{}) (interface{}, error) {
if values == nil {
return nil, errors.New("Value does not exists")
}
parts := strings.Split(name, ".")
if len(parts) > 1 {
for i, part := range parts {
name = part
if i+1 >= len(parts) {
continue
}
v, err := value(parts[i+1], convert(values).(map[string]interface{})[part])
if err != nil {
continue
}
if v != nil && reflect.ValueOf(v).Kind() != reflect.Map {
return v, nil
}
values = v
}
}
if _, ok := convert(values).(map[string]interface{}); !ok {
return values, nil
}
val, ok := convert(values).(map[string]interface{})[name]
if !ok {
return nil, errors.New("Value does not exists")
}
return val, nil
}
func toString(value interface{}) string {
switch v := value.(type) {
case int:
return strconv.Itoa(v)
case bool:
return strconv.FormatBool(v)
case float64:
return strconv.FormatFloat(v, 'f', -1, 64)
case string:
return v
default:
return fmt.Sprintf("%v", value)
}
}