/
validators.go
73 lines (56 loc) · 1.35 KB
/
validators.go
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// Copyright 2012 The Walk Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package declarative
import (
"github.com/lxn/walk"
)
type ValidatorRef struct {
Validator walk.Validator
}
func (vr ValidatorRef) Create() (walk.Validator, error) {
return vr.Validator, nil
}
type Range struct {
Min float64
Max float64
}
func (r Range) Create() (walk.Validator, error) {
return walk.NewRangeValidator(r.Min, r.Max)
}
type Regexp struct {
Pattern string
}
func (re Regexp) Create() (walk.Validator, error) {
return walk.NewRegexpValidator(re.Pattern)
}
type SelRequired struct {
}
func (SelRequired) Create() (walk.Validator, error) {
return walk.SelectionRequiredValidator(), nil
}
type dMultiValidator struct {
validators []Validator
}
func (av dMultiValidator) Create() (walk.Validator, error) {
var validators []walk.Validator
for _, dv := range av.validators {
if wv, err := dv.Create(); err != nil {
return nil, err
} else {
validators = append(validators, wv)
}
}
return &wMultiValidator{validators}, nil
}
type wMultiValidator struct {
validators []walk.Validator
}
func (av *wMultiValidator) Validate(v interface{}) error {
for _, validator := range av.validators {
if err := validator.Validate(v); err != nil {
return err
}
}
return nil
}