| /** |
| * Copyright 2010 Google Inc. |
| * |
| * Licensed 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. |
| */ |
| |
| // Author: sligocki@google.com (Shawn Ligocki) |
| |
| #ifndef NET_INSTAWEB_UTIL_PUBLIC_HTTP_RESPONSE_PARSER_H_ |
| #define NET_INSTAWEB_UTIL_PUBLIC_HTTP_RESPONSE_PARSER_H_ |
| |
| #include "base/basictypes.h" |
| // TODO(sligocki): Find a way to forward declare FileSystem::InputFile. |
| #include "net/instaweb/util/public/file_system.h" |
| #include "net/instaweb/util/public/string_util.h" |
| |
| namespace net_instaweb { |
| |
| class MessageHandler; |
| class MetaData; |
| class Writer; |
| |
| // Helper class to fascilitate parsing a raw streaming HTTP response including |
| // headers and body. |
| class HttpResponseParser { |
| public: |
| HttpResponseParser(MetaData* response_headers, Writer* writer, |
| MessageHandler* handler) |
| : reading_headers_(true), |
| ok_(true), |
| response_headers_(response_headers), |
| writer_(writer), |
| handler_(handler) { |
| } |
| |
| // Parse complete HTTP response from a file. |
| bool ParseFile(FileSystem::InputFile* file); |
| |
| // Parse complete HTTP response from a FILE stream. |
| // TODO(sligocki): We need a Readable abstraction (like Writer) |
| bool Parse(FILE* stream); |
| |
| // Read a chunk of HTTP response, populating response_headers and call |
| // writer on output body, returning true if the status is ok. |
| bool ParseChunk(const StringPiece& data); |
| |
| bool ok() const { return ok_; } |
| |
| private: |
| bool reading_headers_; |
| bool ok_; |
| MetaData* response_headers_; |
| Writer* writer_; |
| MessageHandler* handler_; |
| |
| DISALLOW_COPY_AND_ASSIGN(HttpResponseParser); |
| }; |
| |
| } // namespace net_instaweb |
| |
| #endif // NET_INSTAWEB_UTIL_PUBLIC_HTTP_RESPONSE_PARSER_H_ |