package validator import "reflect" // FieldLevel contains all the information and helper functions // to validate a field type FieldLevel interface { // returns the top level struct, if any Top() reflect.Value // returns the current fields parent struct, if any or // the comparison value if called 'VarWithValue' Parent() reflect.Value // returns current field for validation Field() reflect.Value // returns the field's name with the tag // name takeing precedence over the fields actual name. FieldName() string // returns the struct field's name StructFieldName() string // returns param for validation against current field Param() string // ExtractType gets the actual underlying type of field value. // It will dive into pointers, customTypes and return you the // underlying value and it's kind. ExtractType(field reflect.Value) (value reflect.Value, kind reflect.Kind, nullable bool) // traverses the parent struct to retrieve a specific field denoted by the provided namespace // in the param and returns the field, field kind and whether is was successful in retrieving // the field at all. // // NOTE: when not successful ok will be false, this can happen when a nested struct is nil and so the field // could not be retrieved because it didn't exist. GetStructFieldOK() (reflect.Value, reflect.Kind, bool) } var _ FieldLevel = new(validate) // Field returns current field for validation func (v *validate) Field() reflect.Value { return v.flField } // FieldName returns the field's name with the tag // name takeing precedence over the fields actual name. func (v *validate) FieldName() string { return v.cf.altName } // StructFieldName returns the struct field's name func (v *validate) StructFieldName() string { return v.cf.name } // Param returns param for validation against current field func (v *validate) Param() string { return v.ct.param } // GetStructFieldOK returns Param returns param for validation against current field func (v *validate) GetStructFieldOK() (reflect.Value, reflect.Kind, bool) { return v.getStructFieldOKInternal(v.slflParent, v.ct.param) }