gecko/dom/base/BodyUtil.h

69 lines
2.0 KiB
C++

/* 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_BodyUtil_h
#define mozilla_dom_BodyUtil_h
#include "nsString.h"
#include "nsError.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/FormData.h"
namespace mozilla {
namespace dom {
class BodyUtil final
{
private:
BodyUtil() = delete;
public:
/**
* Creates an array buffer from an array, assigning the result to |aValue|.
* The array buffer takes ownership of |aInput|, which must be allocated
* by |malloc|.
*/
static void
ConsumeArrayBuffer(JSContext* aCx, JS::MutableHandle<JSObject*> aValue,
uint32_t aInputLength, uint8_t* aInput, ErrorResult& aRv);
/**
* Creates an in-memory blob from an array. The blob takes ownership of
* |aInput|, which must be allocated by |malloc|.
*/
static already_AddRefed<Blob>
ConsumeBlob(nsISupports* aParent, const nsString& aMimeType,
uint32_t aInputLength, uint8_t* aInput, ErrorResult& aRv);
/**
* Creates a form data object from a UTF-8 encoded |aStr|. Returns |nullptr|
* and sets |aRv| to MSG_BAD_FORMDATA if |aStr| contains invalid data.
*/
static already_AddRefed<FormData>
ConsumeFormData(nsIGlobalObject* aParent, const nsCString& aMimeType,
const nsCString& aStr, ErrorResult& aRv);
/**
* UTF-8 decodes |aInput| into |aText|. The caller may free |aInput|
* once this method returns.
*/
static nsresult
ConsumeText(uint32_t aInputLength, uint8_t* aInput, nsString& aText);
/**
* Parses a UTF-8 encoded |aStr| as JSON, assigning the result to |aValue|.
* Sets |aRv| to a syntax error if |aStr| contains invalid data.
*/
static void
ConsumeJson(JSContext* aCx, JS::MutableHandle<JS::Value> aValue,
const nsString& aStr, ErrorResult& aRv);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_BodyUtil_h