| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef QUICHE_HTTP2_HPACK_HUFFMAN_HPACK_HUFFMAN_ENCODER_H_ |
| #define QUICHE_HTTP2_HPACK_HUFFMAN_HPACK_HUFFMAN_ENCODER_H_ |
| |
| // Functions supporting the encoding of strings using the HPACK-defined Huffman |
| // table. |
| |
| #include <cstddef> // For size_t |
| #include <string> |
| |
| #include "absl/strings/string_view.h" |
| #include "quiche/common/platform/api/quiche_export.h" |
| |
| namespace http2 { |
| |
| // Returns the size of the Huffman encoding of |plain|, which may be greater |
| // than plain.size(). |
| QUICHE_EXPORT size_t HuffmanSize(absl::string_view plain); |
| |
| // Encode |input| with the Huffman encoding defined RFC7541, used in HPACK and |
| // QPACK. |encoded_size| must be the value returned by HuffmanSize(). |
| // Appends the result to the end of |*output|. |
| QUICHE_EXPORT void HuffmanEncode(absl::string_view input, size_t encoded_size, |
| std::string* output); |
| |
| } // namespace http2 |
| |
| #endif // QUICHE_HTTP2_HPACK_HUFFMAN_HPACK_HUFFMAN_ENCODER_H_ |