| // 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 THIRD_PARTY_BLINK_RENDERER_MODULES_EVENTSOURCE_EVENT_SOURCE_PARSER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_EVENTSOURCE_EVENT_SOURCE_PARSER_H_ |
| |
| #include <memory> |
| #include "third_party/blink/renderer/modules/modules_export.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/wtf/text/atomic_string.h" |
| #include "third_party/blink/renderer/platform/wtf/text/text_codec.h" |
| #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| |
| namespace blink { |
| |
| class MODULES_EXPORT EventSourceParser final |
| : public GarbageCollected<EventSourceParser> { |
| public: |
| class MODULES_EXPORT Client : public GarbageCollectedMixin { |
| public: |
| virtual ~Client() = default; |
| virtual void OnMessageEvent(const AtomicString& type, |
| const String& data, |
| const AtomicString& last_event_id) = 0; |
| virtual void OnReconnectionTimeSet(uint64_t reconnection_time) = 0; |
| void Trace(Visitor* visitor) const override {} |
| }; |
| |
| EventSourceParser(const AtomicString& last_event_id, Client*); |
| |
| void AddBytes(const char*, uint32_t); |
| const AtomicString& LastEventId() const { return last_event_id_; } |
| // Stop parsing. This can be called from Client::onMessageEvent. |
| void Stop() { is_stopped_ = true; } |
| void Trace(Visitor*) const; |
| |
| private: |
| void ParseLine(); |
| String FromUTF8(const char* bytes, uint32_t); |
| |
| Vector<char> line_; |
| |
| AtomicString event_type_; |
| Vector<char> data_; |
| // This variable corresponds to "last event ID buffer" in the spec. The |
| // value can be discarded when a connection is disconnected while |
| // parsing an event. |
| AtomicString id_; |
| // This variable corresponds to "last event ID string" in the spec. |
| AtomicString last_event_id_; |
| |
| Member<Client> client_; |
| std::unique_ptr<TextCodec> codec_; |
| |
| bool is_recognizing_crlf_ = false; |
| bool is_recognizing_bom_ = true; |
| bool is_stopped_ = false; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_EVENTSOURCE_EVENT_SOURCE_PARSER_H_ |