| // Copyright 2022 Google LLC |
| // |
| // Use of this source code is governed by an MIT-style |
| // license that can be found in the LICENSE file or at |
| // https://opensource.org/licenses/MIT. |
| |
| #ifndef THIRD_PARTY_UTF8_RANGE_UTF8_VALIDITY_H_ |
| #define THIRD_PARTY_UTF8_RANGE_UTF8_VALIDITY_H_ |
| |
| #include <cstddef> |
| |
| #include "absl/strings/string_view.h" |
| |
| namespace utf8_range { |
| |
| // Returns true if the sequence of characters is a valid UTF-8 sequence. |
| bool IsStructurallyValid(absl::string_view str); |
| |
| // Returns the length in bytes of the prefix of str that is all |
| // structurally valid UTF-8. |
| size_t SpanStructurallyValid(absl::string_view str); |
| |
| } // namespace utf8_range |
| |
| #endif // THIRD_PARTY_UTF8_RANGE_UTF8_VALIDITY_H_ |
