151 lines
4.7 KiB
C++
151 lines
4.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsFormData_h__
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#define nsFormData_h__
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#include "mozilla/Attributes.h"
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#include "nsIDOMFormData.h"
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#include "nsIXMLHttpRequest.h"
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#include "nsFormSubmission.h"
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#include "nsWrapperCache.h"
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#include "nsTArray.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/dom/File.h"
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#include "mozilla/dom/FormDataBinding.h"
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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class HTMLFormElement;
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class GlobalObject;
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} // namespace dom
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} // namespace mozilla
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class nsFormData final : public nsIDOMFormData,
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public nsIXHRSendable,
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public nsFormSubmission,
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public nsWrapperCache
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{
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private:
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~nsFormData() {}
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typedef mozilla::dom::Blob Blob;
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typedef mozilla::dom::File File;
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typedef mozilla::dom::OwningFileOrUSVString OwningFileOrUSVString;
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struct FormDataTuple
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{
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FormDataTuple() : wasNullBlob(false) {}
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nsString name;
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OwningFileOrUSVString value;
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bool wasNullBlob;
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};
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// Returns the FormDataTuple to modify. This may be null, in which case
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// no element with aName was found.
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FormDataTuple*
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RemoveAllOthersAndGetFirstFormDataTuple(const nsAString& aName);
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void SetNameValuePair(FormDataTuple* aData,
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const nsAString& aName,
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const nsAString& aValue);
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void SetNameFilePair(FormDataTuple* aData,
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const nsAString& aName,
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File* aFile);
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public:
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explicit nsFormData(nsISupports* aOwner = nullptr);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsFormData,
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nsIDOMFormData)
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NS_DECL_NSIDOMFORMDATA
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NS_DECL_NSIXHRSENDABLE
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// nsWrapperCache
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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// WebIDL
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nsISupports*
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GetParentObject() const
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{
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return mOwner;
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}
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static already_AddRefed<nsFormData>
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Constructor(const mozilla::dom::GlobalObject& aGlobal,
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const mozilla::dom::Optional<mozilla::dom::NonNull<mozilla::dom::HTMLFormElement> >& aFormElement,
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mozilla::ErrorResult& aRv);
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void Append(const nsAString& aName, const nsAString& aValue,
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mozilla::ErrorResult& aRv);
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void Append(const nsAString& aName, Blob& aBlob,
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const mozilla::dom::Optional<nsAString>& aFilename,
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mozilla::ErrorResult& aRv);
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void Delete(const nsAString& aName);
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void Get(const nsAString& aName, mozilla::dom::Nullable<OwningFileOrUSVString>& aOutValue);
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void GetAll(const nsAString& aName, nsTArray<OwningFileOrUSVString>& aValues);
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bool Has(const nsAString& aName);
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void Set(const nsAString& aName, Blob& aBlob,
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const mozilla::dom::Optional<nsAString>& aFilename,
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mozilla::ErrorResult& aRv);
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void Set(const nsAString& aName, const nsAString& aValue,
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mozilla::ErrorResult& aRv);
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uint32_t GetIterableLength() const;
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const nsAString& GetKeyAtIndex(uint32_t aIndex) const;
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const OwningFileOrUSVString& GetValueAtIndex(uint32_t aIndex) const;
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// nsFormSubmission
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virtual nsresult GetEncodedSubmission(nsIURI* aURI,
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nsIInputStream** aPostDataStream) override;
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virtual nsresult AddNameValuePair(const nsAString& aName,
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const nsAString& aValue) override
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{
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FormDataTuple* data = mFormData.AppendElement();
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SetNameValuePair(data, aName, aValue);
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return NS_OK;
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}
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virtual nsresult AddNameFilePair(const nsAString& aName,
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File* aFile) override;
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typedef bool (*FormDataEntryCallback)(const nsString& aName,
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const OwningFileOrUSVString& aValue,
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void* aClosure);
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uint32_t
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Length() const
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{
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return mFormData.Length();
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}
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// Stops iteration and returns false if any invocation of callback returns
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// false. Returns true otherwise.
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bool
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ForEach(FormDataEntryCallback aFunc, void* aClosure)
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{
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for (uint32_t i = 0; i < mFormData.Length(); ++i) {
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FormDataTuple& tuple = mFormData[i];
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if (!aFunc(tuple.name, tuple.value, aClosure)) {
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return false;
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}
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}
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return true;
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}
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private:
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nsCOMPtr<nsISupports> mOwner;
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nsTArray<FormDataTuple> mFormData;
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};
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#endif // nsFormData_h__
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