166 lines
4.8 KiB
C++
166 lines
4.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 mozilla_dom_FormData_h
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#define mozilla_dom_FormData_h
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#include "mozilla/Attributes.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/HTMLFormSubmission.h"
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#include "mozilla/dom/File.h"
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#include "mozilla/dom/FormDataBinding.h"
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#include "nsIDOMFormData.h"
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#include "nsIXMLHttpRequest.h"
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#include "nsTArray.h"
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#include "nsWrapperCache.h"
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namespace mozilla {
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namespace dom {
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class HTMLFormElement;
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class GlobalObject;
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class FormData final : public nsIDOMFormData,
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public nsIXHRSendable,
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public HTMLFormSubmission,
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public nsWrapperCache
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{
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private:
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~FormData() {}
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struct FormDataTuple
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{
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nsString name;
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bool wasNullBlob;
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OwningBlobOrDirectoryOrUSVString value;
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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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bool aWasNullBlob = false);
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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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void SetNameDirectoryPair(FormDataTuple* aData,
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const nsAString& aName,
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Directory* aDirectory);
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public:
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explicit FormData(nsISupports* aOwner = nullptr);
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(FormData,
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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<FormData>
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Constructor(const GlobalObject& aGlobal,
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const Optional<NonNull<HTMLFormElement> >& aFormElement,
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ErrorResult& aRv);
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void Append(const nsAString& aName, const nsAString& aValue,
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ErrorResult& aRv);
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void Append(const nsAString& aName, Blob& aBlob,
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const Optional<nsAString>& aFilename,
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ErrorResult& aRv);
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void Append(const nsAString& aName, Directory* aDirectory);
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void Delete(const nsAString& aName);
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void Get(const nsAString& aName, Nullable<OwningBlobOrDirectoryOrUSVString>& aOutValue);
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void GetAll(const nsAString& aName, nsTArray<OwningBlobOrDirectoryOrUSVString>& 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 Optional<nsAString>& aFilename,
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ErrorResult& aRv);
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void Set(const nsAString& aName, const nsAString& aValue,
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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 OwningBlobOrDirectoryOrUSVString& GetValueAtIndex(uint32_t aIndex) const;
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// HTMLFormSubmission
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virtual nsresult
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GetEncodedSubmission(nsIURI* aURI, 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 AddNameBlobOrNullPair(const nsAString& aName,
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Blob* aBlob) override;
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virtual nsresult AddNameDirectoryPair(const nsAString& aName,
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Directory* aDirectory) override;
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typedef bool (*FormDataEntryCallback)(const nsString& aName,
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const OwningBlobOrDirectoryOrUSVString& 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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} // dom namespace
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} // mozilla namepsace
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#endif // mozilla_dom_FormData_h
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