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validate.go
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validate.go
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package bkl
import (
"fmt"
"unicode"
"golang.org/x/exp/utf8string"
)
func validate(obj any) error {
switch obj2 := obj.(type) {
case map[string]any:
return validateMap(obj2)
case []any:
return validateList(obj2)
case string:
return validateString(obj2)
default:
return nil
}
}
func validateMap(obj map[string]any) error {
for k, v := range obj {
err := validate(k)
if err != nil {
return fmt.Errorf("%s: %w", k, err)
}
err = validate(v)
if err != nil {
return fmt.Errorf("%s: %w", k, err)
}
}
return nil
}
func validateList(obj []any) error {
for _, v := range obj {
err := validate(v)
if err != nil {
return err
}
}
return nil
}
func validateString(obj string) error {
if obj == "$required" {
return ErrRequiredField
}
us := utf8string.NewString(obj)
if us.RuneCount() >= 2 && us.At(0) == '$' && unicode.IsLower(us.At(1)) {
return fmt.Errorf("%s: %w", obj, ErrInvalidDirective)
}
return nil
}