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uintAssertion.go
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uintAssertion.go
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package arg
import (
"fmt"
"sort"
"github.com/Bofry/arg/internal"
)
var (
_UIntAssertion = UIntAssertion("")
_ UIntValidator = _UIntAssertion.NonZero
)
type UIntAssertion string
func (UIntAssertion) Assert(v uint64, name string, validators ...UIntValidator) error {
for _, validate := range validators {
if err := validate(v, name); err != nil {
return err
}
}
return nil
}
func (UIntAssertion) Assertor(v uint64, name string) *UIntAssertor {
return &UIntAssertor{v, name}
}
func (UIntAssertion) NonZero(v uint64, name string) error {
if v == 0 {
return &InvalidArgumentError{
Name: name,
Reason: internal.ERR_NON_ZERO,
}
}
return nil
}
func (UIntAssertion) Must(fn UIntPredicate) UIntValidator {
return func(v uint64, name string) error {
if !fn(v) {
return &InvalidArgumentError{
Name: name,
Reason: fmt.Sprintf(internal.ERR_INVALID_INTEGER, v),
}
}
return nil
}
}
func (UIntAssertion) NotIn(values ...uint64) UIntValidator {
sort.Slice(values, func(i, j int) bool { return values[i] < values[j] })
return func(v uint64, name string) error {
i := sort.Search(len(values), func(i int) bool { return values[i] >= v })
if i < len(values) && values[i] == v {
return &InvalidArgumentError{
Name: name,
Reason: fmt.Sprintf(internal.ERR_INVALID_INTEGER, v),
}
}
return nil
}
}
func (UIntAssertion) In(values ...uint64) UIntValidator {
sort.Slice(values, func(i, j int) bool { return values[i] < values[j] })
return func(v uint64, name string) error {
i := sort.Search(len(values), func(i int) bool { return values[i] >= v })
if i >= len(values) || values[i] != v {
return &InvalidArgumentError{
Name: name,
Reason: fmt.Sprintf(internal.ERR_INVALID_INTEGER, v),
}
}
return nil
}
}
func (UIntAssertion) LessOrEqual(boundary uint64) UIntValidator {
return func(v uint64, name string) error {
if boundary < v {
return &InvalidArgumentError{
Name: name,
Reason: internal.ERR_OUT_OF_RANGE,
}
}
return nil
}
}
func (UIntAssertion) GreaterOrEqual(boundary uint64) UIntValidator {
return func(v uint64, name string) error {
if boundary > v {
return &InvalidArgumentError{
Name: name,
Reason: internal.ERR_OUT_OF_RANGE,
}
}
return nil
}
}
// BetweenRange checks if given integer is between the specified minimum and maximum values (both inclusive).
func (UIntAssertion) BetweenRange(min, max uint64) UIntValidator {
return func(v uint64, name string) error {
if min > v || v > max {
return &InvalidArgumentError{
Name: name,
Reason: internal.ERR_OUT_OF_RANGE,
}
}
return nil
}
}