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/* -*- 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
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