1 files changed, 72 insertions, 0 deletions
diff --git a/dom/base/BodyUtil.h b/dom/base/BodyUtil.h
new file mode 100644
index 0000000000..b7b2ff94fd
--- /dev/null
+++ b/dom/base/BodyUtil.h
@@ -0,0 +1,72 @@
+/* -*- 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 mozilla_dom_BodyUtil_h
+#define mozilla_dom_BodyUtil_h
+
+#include "nsString.h"
+#include "nsError.h"
+
+#include "mozilla/dom/File.h"
+#include "mozilla/dom/FormData.h"
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+
+class BodyUtil final {
+ private:
+  BodyUtil() = delete;
+
+ public:
+  /**
+   * Creates an array buffer from an array, assigning the result to |aValue|.
+   * The array buffer takes ownership of |aInput|, which must be allocated
+   * by |malloc|.
+   */
+  static void ConsumeArrayBuffer(JSContext* aCx,
+                                 JS::MutableHandle<JSObject*> aValue,
+                                 uint32_t aInputLength, uint8_t* aInput,
+                                 ErrorResult& aRv);
+
+  /**
+   * Creates an in-memory blob from an array. The blob takes ownership of
+   * |aInput|, which must be allocated by |malloc|.
+   */
+  static already_AddRefed<Blob> ConsumeBlob(nsIGlobalObject* aParent,
+                                            const nsString& aMimeType,
+                                            uint32_t aInputLength,
+                                            uint8_t* aInput, ErrorResult& aRv);
+
+  /**
+   * Creates a form data object from a UTF-8 encoded |aStr|. Returns |nullptr|
+   * and sets |aRv| to MSG_BAD_FORMDATA if |aStr| contains invalid data.
+   */
+  static already_AddRefed<FormData> ConsumeFormData(
+      nsIGlobalObject* aParent, const nsCString& aMimeType,
+      const nsACString& aMixedCaseMimeType, const nsCString& aStr,
+      ErrorResult& aRv);
+
+  /**
+   * UTF-8 decodes |aInput| into |aText|. The caller may free |aInput|
+   * once this method returns.
+   */
+  static nsresult ConsumeText(uint32_t aInputLength, uint8_t* aInput,
+                              nsString& aText);
+
+  /**
+   * Parses a UTF-8 encoded |aStr| as JSON, assigning the result to |aValue|.
+   * Sets |aRv| to a syntax error if |aStr| contains invalid data.
+   */
+  static void ConsumeJson(JSContext* aCx, JS::MutableHandle<JS::Value> aValue,
+                          const nsString& aStr, ErrorResult& aRv);
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_BodyUtil_h