/
stringPtrAssertion.go
92 lines (77 loc) · 2.03 KB
/
stringPtrAssertion.go
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package arg
import (
"fmt"
"github.com/Bofry/arg/internal"
)
var (
_StringPtrAssertion = StringPtrAssertion("")
_ StringPtrValidator = _StringPtrAssertion.NotNil
_ StringPtrValidator = _StringPtrAssertion.NonEmpty
)
type StringPtrAssertion string
func (StringPtrAssertion) Assert(v *string, name string, validators ...StringPtrValidator) error {
for _, validate := range validators {
if err := validate(v, name); err != nil {
return err
}
}
return nil
}
func (StringPtrAssertion) Assertor(v *string, name string) *StringPtrAssertor {
return &StringPtrAssertor{
v: v,
name: name,
}
}
func (StringPtrAssertion) NotNil(v *string, name string) error {
if v == nil {
return &InvalidArgumentError{
Name: name,
Reason: internal.ERR_NIL,
}
}
return nil
}
func (StringPtrAssertion) NonEmpty(ptr *string, name string) error {
if ptr != nil {
var (
v string = *ptr
)
return _StringAssertion.NonEmpty(v, name)
}
return nil
}
func (StringPtrAssertion) MustNil(v *string, name string) error {
if v != nil {
return &InvalidArgumentError{
Name: name,
Reason: internal.ERR_NON_NIL,
}
}
return nil
}
// Must checks if the given string is evaluated to true by specified predicate.
func (StringPtrAssertion) Must(fn StringPtrPredicate) StringPtrValidator {
return func(v *string, name string) error {
if !fn(v) {
return &InvalidArgumentError{
Name: name,
Reason: fmt.Sprintf(internal.ERR_INVALID_STRING, *v),
}
}
return nil
}
}
func (StringPtrAssertion) In(values ...string) StringPtrValidator {
return _StringAssertion.In(values...).AssertPtr
}
func (StringPtrAssertion) MaxLength(size int) StringPtrValidator {
return _StringAssertion.MaxLength(size).AssertPtr
}
func (StringPtrAssertion) MinLength(size int) StringPtrValidator {
return _StringAssertion.MinLength(size).AssertPtr
}
// MatchAny checks if given string match any one from specified patterns.
func (StringPtrAssertion) MatchAny(patterns ...string) StringPtrValidator {
return _StringAssertion.MatchAny(patterns...).AssertPtr
}