| /** @file |
| |
| Inlines base64 images from the ATS cache |
| |
| @section license License |
| |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <algorithm> |
| |
| namespace ats |
| { |
| namespace inliner |
| { |
| struct JPEG { |
| template <class C> |
| static bool |
| verifySignature(const C &content) |
| { |
| static const uint32_t SIGNATURE_SIZE = 3; |
| |
| static const char SIGNATURE[SIGNATURE_SIZE] = {static_cast<char>(0xff), static_cast<char>(0xd8), static_cast<char>(0xff)}; |
| |
| return content.size() >= SIGNATURE_SIZE && std::equal(SIGNATURE, SIGNATURE + SIGNATURE_SIZE, content.begin()); |
| } |
| }; |
| } // namespace inliner |
| } // namespace ats |