Files
mstore/app/router/bindobj.go
T
2026-02-15 18:47:43 +02:00

64 lines
1.6 KiB
Go

/*
* Copyright 2026 Oleg Borodin <onborodin@gmail.com>
*
* This work is published and licensed under a Creative Commons
* Attribution-NonCommercial-NoDerivatives 4.0 International License.
*
* Distribution of this work is permitted, but commercial use and
* modifications are strictly prohibited.
*/
package router
import (
"reflect"
"strconv"
)
// The code reflect string-string map to taged structure
// Limited, used only base types
// Don't ask me how it works. I'm only writer ;)
func bindObj(obj interface{}, kvmap map[string]string, sTag string) error {
var err error
vElem := reflect.ValueOf(obj).Elem()
sElem := reflect.TypeOf(obj).Elem()
for i := 0; i < vElem.NumField(); i++ {
vField := vElem.Field(i)
tag := sElem.Field(i).Tag.Get(sTag)
if tag != "" {
sVal, exists := kvmap[tag]
if exists {
switch vField.Kind() {
case reflect.String:
vField.SetString(sVal)
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
iVal, err := strconv.ParseInt(sVal, 10, 64)
if err != nil {
return err
}
vField.SetInt(iVal)
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
iVal, err := strconv.ParseUint(sVal, 10, 64)
if err != nil {
return err
}
vField.SetUint(iVal)
case reflect.Bool:
bVal, err := strconv.ParseBool(sVal)
if err != nil {
return err
}
vField.SetBool(bVal)
case reflect.Float32, reflect.Float64:
fVal, err := strconv.ParseFloat(sVal, 64)
if err != nil {
return err
}
vField.SetFloat(fVal)
}
}
}
}
return err
}