1 files changed, 50 insertions, 0 deletions
diff --git a/netwerk/protocol/http/nsHttpChunkedDecoder.h b/netwerk/protocol/http/nsHttpChunkedDecoder.h
new file mode 100644
index 0000000000..0e627087dc
--- /dev/null
+++ b/netwerk/protocol/http/nsHttpChunkedDecoder.h
@@ -0,0 +1,50 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsHttpChunkedDecoder_h__
+#define nsHttpChunkedDecoder_h__
+
+#include "nsError.h"
+#include "nsString.h"
+#include "nsHttpHeaderArray.h"
+
+namespace mozilla {
+namespace net {
+
+class nsHttpChunkedDecoder {
+ public:
+  nsHttpChunkedDecoder() = default;
+  ~nsHttpChunkedDecoder() = default;
+
+  bool ReachedEOF() { return mReachedEOF; }
+
+  // called by the transaction to handle chunked content.
+  [[nodiscard]] nsresult HandleChunkedContent(char* buf, uint32_t count,
+                                              uint32_t* contentRead,
+                                              uint32_t* contentRemaining);
+
+  nsHttpHeaderArray* Trailers() { return mTrailers.get(); }
+
+  UniquePtr<nsHttpHeaderArray> TakeTrailers() { return std::move(mTrailers); }
+
+  // How mush data is still missing(needs to arrive) from the current chunk.
+  uint32_t GetChunkRemaining() { return mChunkRemaining; }
+
+ private:
+  [[nodiscard]] nsresult ParseChunkRemaining(char* buf, uint32_t count,
+                                             uint32_t* bytesConsumed);
+
+ private:
+  UniquePtr<nsHttpHeaderArray> mTrailers;
+  uint32_t mChunkRemaining{0};
+  nsCString mLineBuf;  // may hold a partial line
+  bool mReachedEOF{false};
+  bool mWaitEOF{false};
+};
+
+}  // namespace net
+}  // namespace mozilla
+
+#endif