| // 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. |
| |
| #include "net/http2/hpack/tools/hpack_example.h" |
| |
| #include <ctype.h> |
| |
| #include "base/logging.h" |
| #include "net/spdy/core/spdy_test_utils.h" |
| |
| using base::StringPiece; |
| using std::string; |
| |
| namespace net { |
| namespace test { |
| namespace { |
| |
| void HpackExampleToStringOrDie(StringPiece example, string* output) { |
| while (!example.empty()) { |
| const char c0 = example[0]; |
| if (isxdigit(c0)) { |
| CHECK_GT(example.size(), 1u) << "Truncated hex byte?"; |
| const char c1 = example[1]; |
| CHECK(isxdigit(c1)) << "Found half a byte?"; |
| *output += a2b_hex(example.substr(0, 2).as_string().c_str()); |
| example.remove_prefix(2); |
| continue; |
| } |
| if (isspace(c0)) { |
| example.remove_prefix(1); |
| continue; |
| } |
| if (example.starts_with("|")) { |
| // Start of a comment. Skip to end of line or of input. |
| auto pos = example.find('\n'); |
| if (pos == StringPiece::npos) { |
| // End of input. |
| break; |
| } |
| example.remove_prefix(pos + 1); |
| continue; |
| } |
| CHECK(false) << "Can't parse byte " << static_cast<int>(c0) << " (0x" |
| << std::hex << c0 << ")" |
| << "\nExample: " << example; |
| } |
| CHECK_LT(0u, output->size()) << "Example is empty."; |
| return; |
| } |
| |
| } // namespace |
| |
| string HpackExampleToStringOrDie(StringPiece example) { |
| string output; |
| HpackExampleToStringOrDie(example, &output); |
| return output; |
| } |
| |
| } // namespace test |
| } // namespace net |