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Copy pathinterface.go
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93 lines (89 loc) · 2.28 KB
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package stringify
import (
"fmt"
"reflect"
"unsafe"
)
func IsInterfaceNil(param interface{}) bool {
return param == nil || (*[2]uintptr)(unsafe.Pointer(¶m))[1] == 0
}
func Interface(value interface{}) string {
if IsInterfaceNil(value) {
return "<nil>"
}
switch typeCastedValue := value.(type) {
case bool:
return Bool(typeCastedValue)
case string:
return String(typeCastedValue)
case []byte:
return SliceOfBytes(typeCastedValue)
case int:
return Int(int64(typeCastedValue))
case int8:
return Int(int64(typeCastedValue))
case int16:
return Int(int64(typeCastedValue))
case int32:
return Int(int64(typeCastedValue))
case int64:
return Int(typeCastedValue)
case uint8:
return UInt(uint64(typeCastedValue))
case uint16:
return UInt(uint64(typeCastedValue))
case uint32:
return UInt(uint64(typeCastedValue))
case uint64:
return UInt(typeCastedValue)
case float64:
return Float64(typeCastedValue)
case float32:
return Float32(typeCastedValue)
case reflect.Value:
switch typeCastedValue.Kind() {
case reflect.Slice:
return sliceReflect(typeCastedValue)
case reflect.Array:
return sliceReflect(typeCastedValue)
case reflect.String:
return Interface(typeCastedValue.String())
case reflect.Int:
return Interface(typeCastedValue.Int())
case reflect.Int8:
return Interface(typeCastedValue.Int())
case reflect.Int16:
return Interface(typeCastedValue.Int())
case reflect.Int32:
return Interface(typeCastedValue.Int())
case reflect.Int64:
return Interface(typeCastedValue.Int())
case reflect.Uint8:
return Interface(typeCastedValue.Uint())
case reflect.Uint16:
return Interface(typeCastedValue.Uint())
case reflect.Uint32:
return Interface(typeCastedValue.Uint())
case reflect.Uint64:
return Interface(typeCastedValue.Uint())
case reflect.Ptr:
return Interface(typeCastedValue.Interface())
case reflect.Struct:
return fmt.Sprint(value)
default:
panic("undefined reflect type: " + typeCastedValue.Kind().String())
}
case fmt.Stringer:
return typeCastedValue.String()
default:
value := reflect.ValueOf(value)
switch value.Kind() {
case reflect.Slice:
return sliceReflect(value)
case reflect.Map:
return mapReflect(value)
default:
panic("undefined type: " + value.Kind().String())
}
}
}