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util.go
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util.go
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package nosqlorm
import (
"reflect"
"strings"
"time"
)
// sql formating
// Convert from reflect.Value to specific normal type(E.g: Int, string and etc)
func convertToNormalValue(val reflect.Value) interface{} {
value := val
if val.Kind() == reflect.Ptr && !val.IsNil() {
value = val.Elem()
} else if val.Kind() == reflect.Ptr && val.IsNil() {
return nil
}
switch value.Type().Kind() {
case reflect.Bool:
return value.Interface().(bool)
case reflect.Int:
return value.Interface().(int)
case reflect.Int8:
return value.Interface().(int8)
case reflect.Int16:
return value.Interface().(int16)
case reflect.Int32:
return value.Interface().(int32)
case reflect.Int64:
return value.Interface().(int64)
case reflect.Uint:
return value.Interface().(uint)
case reflect.Uint8:
return value.Interface().(uint8)
case reflect.Uint16:
return value.Interface().(uint16)
case reflect.Uint32:
return value.Interface().(uint32)
case reflect.Uint64:
return value.Interface().(uint64)
case reflect.Uintptr:
return value.Interface().(uintptr)
case reflect.Float32:
return value.Interface().(float32)
case reflect.Float64:
return value.Interface().(float64)
case reflect.Complex64:
return value.Interface().(complex64)
case reflect.Complex128:
return value.Interface().(complex128)
case reflect.String:
return value.Interface().(string)
case reflect.Struct:
return value.Interface().(time.Time)
case reflect.Slice:
return convertSlice(&val, value.Type().Elem().Kind())
default:
return nil
}
}
func convertSlice(value *reflect.Value, kind reflect.Kind) interface{} {
switch kind {
case reflect.Bool:
return value.Interface().([]bool)
case reflect.Int:
return value.Interface().([]int)
case reflect.Int8:
return value.Interface().([]int8)
case reflect.Int16:
return value.Interface().([]int16)
case reflect.Int32:
return value.Interface().([]int32)
case reflect.Int64:
return value.Interface().([]int64)
case reflect.Uint:
return value.Interface().([]uint)
case reflect.Uint8:
return value.Interface().([]uint8)
case reflect.Uint16:
return value.Interface().([]uint16)
case reflect.Uint32:
return value.Interface().([]uint32)
case reflect.Uint64:
return value.Interface().([]uint64)
case reflect.Uintptr:
return value.Interface().([]uintptr)
case reflect.Float32:
return value.Interface().([]float32)
case reflect.Float64:
return value.Interface().([]float64)
case reflect.Complex64:
return value.Interface().([]complex64)
case reflect.Complex128:
return value.Interface().([]complex128)
case reflect.String:
return value.Interface().([]string)
case reflect.Struct:
return value.Interface().([]time.Time)
default:
return nil
}
}
// Fetch field name based on the tag
func getFieldName(tag reflect.StructTag) string {
return strings.Split(tag.Get(jsonTAG), ",")[0]
}
func GetPointer[T any](val T) *T {
return &val
}