1 files changed, 97 insertions, 0 deletions
diff --git a/dom/serializers/nsIContentSerializer.h b/dom/serializers/nsIContentSerializer.h
new file mode 100644
index 0000000000..18e9e5b4cd
--- /dev/null
+++ b/dom/serializers/nsIContentSerializer.h
@@ -0,0 +1,97 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 nsIContentSerializer_h
+#define nsIContentSerializer_h
+
+#include "nsISupports.h"
+#include "nsStringFwd.h"
+
+class nsIContent;
+
+namespace mozilla {
+class Encoding;
+namespace dom {
+class Comment;
+class Document;
+class DocumentType;
+class Element;
+class ProcessingInstruction;
+}  // namespace dom
+}  // namespace mozilla
+
+#define NS_ICONTENTSERIALIZER_IID                    \
+  {                                                  \
+    0xb1ee32f2, 0xb8c4, 0x49b9, {                    \
+      0x93, 0xdf, 0xb6, 0xfa, 0xb5, 0xd5, 0x46, 0x88 \
+    }                                                \
+  }
+
+class nsIContentSerializer : public nsISupports {
+ public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICONTENTSERIALIZER_IID)
+
+  /**
+   * @param aOutput The `Append*` methods will append to this string. The
+   *        reference to it will be dropped with `Finish`.
+   */
+  NS_IMETHOD Init(uint32_t flags, uint32_t aWrapColumn,
+                  const mozilla::Encoding* aEncoding, bool aIsCopying,
+                  bool aIsWholeDocument, bool* aNeedsPerformatScanning,
+                  nsAString& aOutput) = 0;
+
+  NS_IMETHOD AppendText(nsIContent* aText, int32_t aStartOffset,
+                        int32_t aEndOffset) = 0;
+
+  NS_IMETHOD AppendCDATASection(nsIContent* aCDATASection, int32_t aStartOffset,
+                                int32_t aEndOffset) = 0;
+
+  NS_IMETHOD AppendProcessingInstruction(
+      mozilla::dom::ProcessingInstruction* aPI, int32_t aStartOffset,
+      int32_t aEndOffset) = 0;
+
+  NS_IMETHOD AppendComment(mozilla::dom::Comment* aComment,
+                           int32_t aStartOffset, int32_t aEndOffset) = 0;
+
+  NS_IMETHOD AppendDoctype(mozilla::dom::DocumentType* aDoctype) = 0;
+
+  NS_IMETHOD AppendElementStart(mozilla::dom::Element* aElement,
+                                mozilla::dom::Element* aOriginalElement) = 0;
+
+  NS_IMETHOD AppendElementEnd(mozilla::dom::Element* aElement,
+                              mozilla::dom::Element* aOriginalElement) = 0;
+
+  NS_IMETHOD FlushAndFinish() = 0;
+
+  /**
+   * Drops the reference to the output buffer.
+   */
+  NS_IMETHOD Finish() = 0;
+
+  NS_IMETHOD GetOutputLength(uint32_t& aLength) const = 0;
+
+  /**
+   * Append any items in the beginning of the document that won't be
+   * serialized by other methods. XML declaration is the most likely
+   * thing this method can produce.
+   */
+  NS_IMETHOD AppendDocumentStart(mozilla::dom::Document* aDocument) = 0;
+
+  // If Init() sets *aNeedsPerformatScanning to true, then these methods are
+  // called when elements are started and ended, before AppendElementStart
+  // and AppendElementEnd, respectively.  They are supposed to be used to
+  // allow the implementer to keep track of whether the element is
+  // preformatted.
+  NS_IMETHOD ScanElementForPreformat(mozilla::dom::Element* aElement) = 0;
+  NS_IMETHOD ForgetElementForPreformat(mozilla::dom::Element* aElement) = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIContentSerializer, NS_ICONTENTSERIALIZER_IID)
+
+#define NS_CONTENTSERIALIZER_CONTRACTID_PREFIX \
+  "@mozilla.org/layout/contentserializer;1?mimetype="
+
+#endif /* nsIContentSerializer_h */