package helpers

import nativemetadata "github.com/samchon/typia/packages/typia/native/core/schemas/metadata"

type stringifyPredicatorNamespace struct{}

var StringifyPredicator = stringifyPredicatorNamespace{}

func (stringifyPredicatorNamespace) Require_escape(value string) bool {
  for _, ch := range value {
    for _, escaped := range stringifyPredicator_escaped {
      if ch == escaped {
        return true
      }
    }
  }
  return false
}

func (stringifyPredicatorNamespace) Undefindable(metadata *nativemetadata.MetadataSchema) bool {
  return metadata.IsRequired() == false ||
    (metadata.Escaped != nil && metadata.Escaped.Returns.IsRequired() == false)
}

var stringifyPredicator_escaped = []rune{'"', '\\', '\b', '\f', '\n', '\n', '\r', '\t'}