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value.go
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/
value.go
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package zvalid
import (
"container/list"
"strconv"
"strings"
)
// Ok not err
func (v Engine) Ok() bool {
return v.Error() == nil
}
// Error or whether the verification fails
func (v Engine) Error() error {
if v.result {
return v.err
}
return v.valid().err
}
// Value get the final value
func (v Engine) Value() (value string) {
return v.valid().value
}
// String to string
func (v Engine) String() (string, error) {
v = v.valid()
return v.value, v.err
}
// Bool to bool
func (v Engine) Bool() (bool, error) {
v = v.valid()
if ignore(&v) {
return false, v.err
}
value, err := strconv.ParseBool(v.value)
if err != nil {
return false, err
}
return value, nil
}
// Int convert to int
func (v Engine) Int() (int, error) {
v = v.valid()
if ignore(&v) {
return 0, v.err
}
if v.valueInt != 0 {
return v.valueInt, nil
}
value, err := strconv.Atoi(v.value)
if err != nil {
return 0, err
}
v.valueInt = value
return value, nil
}
// Float64 convert to float64
func (v Engine) Float64() (float64, error) {
v = v.valid()
if ignore(&v) {
return 0, v.err
}
if v.valueFloat != 0 {
return v.valueFloat, nil
}
value, err := strconv.ParseFloat(v.value, 64)
if err != nil {
return 0, err
}
v.valueFloat = value
return value, nil
}
// Split converted to [] string
func (v Engine) Split(sep string) ([]string, error) {
v = v.valid()
if ignore(&v) {
return []string{}, v.err
}
value := strings.Split(v.value, sep)
if len(value) == 0 {
return []string{}, v.err
}
return value, nil
}
// Valid get the final value, or an notEmpty string if an error occurs
func (v Engine) valid() Engine {
if v.result {
return v
}
v.result = true
if v.err == nil && !v.setRawValue {
v.err = ErrNoValidationValueSet
return v
}
queues := list.New()
queues.PushBackList(v.queue)
l := queues.Len()
if l > 0 {
for i := 0; i < l; i++ {
queue := queues.Front()
if q, ok := queue.Value.(queueT); ok {
nv := q(v)
v.value = nv.value
v.err = nv.err
v.defaultValue = nv.defaultValue
}
queues.Remove(queue)
}
}
return v
}
// SetAlias set alias
func (v Engine) SetAlias(name string) Engine {
v.name = name
return v
}
// Verifi validate specified data
func (v Engine) Verifi(value string, name ...string) Engine {
v.value = value
v.setRawValue = true
if len(name) > 0 {
v.name = name[0]
}
return v
}