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-rw-r--r--dom/base/FormData.h166
1 files changed, 166 insertions, 0 deletions
diff --git a/dom/base/FormData.h b/dom/base/FormData.h
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index 000000000..e213db164
--- /dev/null
+++ b/dom/base/FormData.h
@@ -0,0 +1,166 @@
+/* -*- 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_FormData_h
+#define mozilla_dom_FormData_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/HTMLFormSubmission.h"
+#include "mozilla/dom/File.h"
+#include "mozilla/dom/FormDataBinding.h"
+#include "nsIDOMFormData.h"
+#include "nsIXMLHttpRequest.h"
+#include "nsTArray.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla {
+namespace dom {
+
+class HTMLFormElement;
+class GlobalObject;
+
+class FormData final : public nsIDOMFormData,
+ public nsIXHRSendable,
+ public HTMLFormSubmission,
+ public nsWrapperCache
+{
+private:
+ ~FormData() {}
+
+ struct FormDataTuple
+ {
+ nsString name;
+ bool wasNullBlob;
+ OwningBlobOrDirectoryOrUSVString value;
+ };
+
+ // Returns the FormDataTuple to modify. This may be null, in which case
+ // no element with aName was found.
+ FormDataTuple*
+ RemoveAllOthersAndGetFirstFormDataTuple(const nsAString& aName);
+
+ void SetNameValuePair(FormDataTuple* aData,
+ const nsAString& aName,
+ const nsAString& aValue,
+ bool aWasNullBlob = false);
+
+ void SetNameFilePair(FormDataTuple* aData,
+ const nsAString& aName,
+ File* aFile);
+
+ void SetNameDirectoryPair(FormDataTuple* aData,
+ const nsAString& aName,
+ Directory* aDirectory);
+
+public:
+ explicit FormData(nsISupports* aOwner = nullptr);
+
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+ NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(FormData,
+ nsIDOMFormData)
+
+ NS_DECL_NSIDOMFORMDATA
+ NS_DECL_NSIXHRSENDABLE
+
+ // nsWrapperCache
+ virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+ // WebIDL
+ nsISupports*
+ GetParentObject() const
+ {
+ return mOwner;
+ }
+
+ static already_AddRefed<FormData>
+ Constructor(const GlobalObject& aGlobal,
+ const Optional<NonNull<HTMLFormElement> >& aFormElement,
+ ErrorResult& aRv);
+
+ void Append(const nsAString& aName, const nsAString& aValue,
+ ErrorResult& aRv);
+
+ void Append(const nsAString& aName, Blob& aBlob,
+ const Optional<nsAString>& aFilename,
+ ErrorResult& aRv);
+
+ void Append(const nsAString& aName, Directory* aDirectory);
+
+ void Delete(const nsAString& aName);
+
+ void Get(const nsAString& aName, Nullable<OwningBlobOrDirectoryOrUSVString>& aOutValue);
+
+ void GetAll(const nsAString& aName, nsTArray<OwningBlobOrDirectoryOrUSVString>& aValues);
+
+ bool Has(const nsAString& aName);
+
+ void Set(const nsAString& aName, Blob& aBlob,
+ const Optional<nsAString>& aFilename,
+ ErrorResult& aRv);
+ void Set(const nsAString& aName, const nsAString& aValue,
+ ErrorResult& aRv);
+
+ uint32_t GetIterableLength() const;
+
+ const nsAString& GetKeyAtIndex(uint32_t aIndex) const;
+
+ const OwningBlobOrDirectoryOrUSVString& GetValueAtIndex(uint32_t aIndex) const;
+
+ // HTMLFormSubmission
+ virtual nsresult
+ GetEncodedSubmission(nsIURI* aURI, nsIInputStream** aPostDataStream) override;
+
+ virtual nsresult AddNameValuePair(const nsAString& aName,
+ const nsAString& aValue) override
+ {
+ FormDataTuple* data = mFormData.AppendElement();
+ SetNameValuePair(data, aName, aValue);
+ return NS_OK;
+ }
+
+ virtual nsresult AddNameBlobOrNullPair(const nsAString& aName,
+ Blob* aBlob) override;
+
+ virtual nsresult AddNameDirectoryPair(const nsAString& aName,
+ Directory* aDirectory) override;
+
+ typedef bool (*FormDataEntryCallback)(const nsString& aName,
+ const OwningBlobOrDirectoryOrUSVString& aValue,
+ void* aClosure);
+
+ uint32_t
+ Length() const
+ {
+ return mFormData.Length();
+ }
+
+ // Stops iteration and returns false if any invocation of callback returns
+ // false. Returns true otherwise.
+ bool
+ ForEach(FormDataEntryCallback aFunc, void* aClosure)
+ {
+ for (uint32_t i = 0; i < mFormData.Length(); ++i) {
+ FormDataTuple& tuple = mFormData[i];
+ if (!aFunc(tuple.name, tuple.value, aClosure)) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+private:
+ nsCOMPtr<nsISupports> mOwner;
+
+ nsTArray<FormDataTuple> mFormData;
+};
+
+} // dom namespace
+} // mozilla namepsace
+
+#endif // mozilla_dom_FormData_h