1 files changed, 57 insertions, 0 deletions
diff --git a/netwerk/protocol/data/nsDataHandler.h b/netwerk/protocol/data/nsDataHandler.h
new file mode 100644
index 0000000000..37d170f3e5
--- /dev/null
+++ b/netwerk/protocol/data/nsDataHandler.h
@@ -0,0 +1,57 @@
+/* -*- Mode: C++; tab-width: 2; 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 nsDataHandler_h___
+#define nsDataHandler_h___
+
+#include "nsIProtocolHandler.h"
+#include "nsWeakReference.h"
+
+class nsDataHandler : public nsIProtocolHandler,
+                      public nsSupportsWeakReference {
+  virtual ~nsDataHandler() = default;
+
+ public:
+  NS_DECL_ISUPPORTS
+
+  // nsIProtocolHandler methods:
+  NS_DECL_NSIPROTOCOLHANDLER
+
+  // nsDataHandler methods:
+  nsDataHandler() = default;
+
+  static nsresult CreateNewURI(const nsACString& aSpec, const char* aCharset,
+                               nsIURI* aBaseURI, nsIURI** result);
+
+  // Define a Create method to be used with a factory:
+  [[nodiscard]] static nsresult Create(nsISupports* aOuter, const nsIID& aIID,
+                                       void** aResult);
+
+  // Parse a data: URI and return the individual parts
+  // (the given spec will temporarily be modified but will be returned
+  //  to the original before returning)
+  // contentCharset and dataBuffer can be nullptr if they are not needed.
+  [[nodiscard]] static nsresult ParseURI(nsCString& spec,
+                                         nsCString& contentType,
+                                         nsCString* contentCharset,
+                                         bool& isBase64, nsCString* dataBuffer);
+
+  // Parse the path portion of a data: URI and return the individual parts.
+  //
+  // Note: The path is assumed *not* to have a ref portion.
+  //
+  // @arg aPath The path portion of the spec. Must not have ref portion.
+  // @arg aContentType Out param, will hold the parsed content type.
+  // @arg aContentCharset Optional, will hold the charset if specified.
+  // @arg aIsBase64 Out param, indicates if the data is base64 encoded.
+  // @arg aDataBuffer Optional, will reference the substring in |aPath| that
+  //  contains the data portion of the path. No copy is made.
+  [[nodiscard]] static nsresult ParsePathWithoutRef(
+      const nsACString& aPath, nsCString& aContentType,
+      nsCString* aContentCharset, bool& aIsBase64,
+      nsDependentCSubstring* aDataBuffer);
+};
+
+#endif /* nsDataHandler_h___ */