1 files changed, 223 insertions, 0 deletions
diff --git a/dom/url/URLSearchParams.h b/dom/url/URLSearchParams.h
new file mode 100644
index 000000000..4b0aaa991
--- /dev/null
+++ b/dom/url/URLSearchParams.h
@@ -0,0 +1,223 @@
+/* -*- 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_URLSearchParams_h
+#define mozilla_dom_URLSearchParams_h
+
+#include "js/StructuredClone.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/ErrorResult.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsWrapperCache.h"
+#include "nsISupports.h"
+#include "nsIUnicodeDecoder.h"
+#include "nsIXMLHttpRequest.h"
+
+namespace mozilla {
+namespace dom {
+
+class URLSearchParams;
+
+class URLSearchParamsObserver : public nsISupports
+{
+public:
+  virtual ~URLSearchParamsObserver() {}
+
+  virtual void URLSearchParamsUpdated(URLSearchParams* aFromThis) = 0;
+};
+
+// This class is used in BasePrincipal and it's _extremely_ important that the
+// attributes are kept in the correct order. If this changes, please, update
+// BasePrincipal code.
+
+class URLParams final
+{
+public:
+  URLParams() {}
+
+  ~URLParams()
+  {
+    DeleteAll();
+  }
+
+  explicit URLParams(const URLParams& aOther)
+    : mParams(aOther.mParams)
+  {}
+
+  URLParams(const URLParams&& aOther)
+    : mParams(Move(aOther.mParams))
+  {}
+
+  class ForEachIterator
+  {
+  public:
+    virtual bool
+    URLParamsIterator(const nsString& aName, const nsString& aValue) = 0;
+  };
+
+  void
+  ParseInput(const nsACString& aInput);
+
+  bool
+  ForEach(ForEachIterator& aIterator) const
+  {
+    for (uint32_t i = 0; i < mParams.Length(); ++i) {
+      if (!aIterator.URLParamsIterator(mParams[i].mKey, mParams[i].mValue)) {
+        return false;
+      }
+    }
+
+    return true;
+  }
+
+  void Serialize(nsAString& aValue) const;
+
+  void Get(const nsAString& aName, nsString& aRetval);
+
+  void GetAll(const nsAString& aName, nsTArray<nsString >& aRetval);
+
+  void Set(const nsAString& aName, const nsAString& aValue);
+
+  void Append(const nsAString& aName, const nsAString& aValue);
+
+  bool Has(const nsAString& aName);
+
+  // Returns true if aName was found and deleted, false otherwise.
+  bool Delete(const nsAString& aName);
+
+  void DeleteAll()
+  {
+    mParams.Clear();
+  }
+
+  uint32_t Length() const
+  {
+    return mParams.Length();
+  }
+
+  const nsAString& GetKeyAtIndex(uint32_t aIndex) const
+  {
+    MOZ_ASSERT(aIndex < mParams.Length());
+    return mParams[aIndex].mKey;
+  }
+
+  const nsAString& GetValueAtIndex(uint32_t aIndex) const
+  {
+    MOZ_ASSERT(aIndex < mParams.Length());
+    return mParams[aIndex].mValue;
+  }
+
+  bool
+  ReadStructuredClone(JSStructuredCloneReader* aReader);
+
+  bool
+  WriteStructuredClone(JSStructuredCloneWriter* aWriter) const;
+
+private:
+  void DecodeString(const nsACString& aInput, nsAString& aOutput);
+  void ConvertString(const nsACString& aInput, nsAString& aOutput);
+
+  struct Param
+  {
+    nsString mKey;
+    nsString mValue;
+  };
+
+  nsTArray<Param> mParams;
+  nsCOMPtr<nsIUnicodeDecoder> mDecoder;
+};
+
+class URLSearchParams final : public nsIXHRSendable,
+                              public nsWrapperCache
+{
+  ~URLSearchParams();
+
+public:
+  NS_DECL_NSIXHRSENDABLE
+
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(URLSearchParams)
+
+  explicit URLSearchParams(nsISupports* aParent,
+                           URLSearchParamsObserver* aObserver=nullptr);
+
+  URLSearchParams(nsISupports* aParent,
+                  const URLSearchParams& aOther);
+
+  // WebIDL methods
+  nsISupports* GetParentObject() const
+  {
+    return mParent;
+  }
+
+  virtual JSObject*
+  WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  static already_AddRefed<URLSearchParams>
+  Constructor(const GlobalObject& aGlobal, const nsAString& aInit,
+              ErrorResult& aRv);
+
+  static already_AddRefed<URLSearchParams>
+  Constructor(const GlobalObject& aGlobal, URLSearchParams& aInit,
+              ErrorResult& aRv);
+
+  void ParseInput(const nsACString& aInput);
+
+  void Serialize(nsAString& aValue) const;
+
+  void Get(const nsAString& aName, nsString& aRetval);
+
+  void GetAll(const nsAString& aName, nsTArray<nsString>& aRetval);
+
+  void Set(const nsAString& aName, const nsAString& aValue);
+
+  void Append(const nsAString& aName, const nsAString& aValue);
+
+  bool Has(const nsAString& aName);
+
+  void Delete(const nsAString& aName);
+
+  uint32_t GetIterableLength() const;
+  const nsAString& GetKeyAtIndex(uint32_t aIndex) const;
+  const nsAString& GetValueAtIndex(uint32_t aIndex) const;
+
+  void Stringify(nsString& aRetval) const
+  {
+    Serialize(aRetval);
+  }
+
+  typedef URLParams::ForEachIterator ForEachIterator;
+
+  bool
+  ForEach(ForEachIterator& aIterator) const
+  {
+    return mParams->ForEach(aIterator);
+
+    return true;
+  }
+
+  bool
+  ReadStructuredClone(JSStructuredCloneReader* aReader);
+
+  bool
+  WriteStructuredClone(JSStructuredCloneWriter* aWriter) const;
+
+private:
+  void AppendInternal(const nsAString& aName, const nsAString& aValue);
+
+  void DeleteAll();
+
+  void NotifyObserver();
+
+  UniquePtr<URLParams> mParams;
+  nsCOMPtr<nsISupports> mParent;
+  RefPtr<URLSearchParamsObserver> mObserver;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif /* mozilla_dom_URLSearchParams_h */