gecko-dev/dom/base/BodyUtil.h

73 строки
2.5 KiB
C++

/* -*- 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_BodyUtil_h
#define mozilla_dom_BodyUtil_h
#include "nsString.h"
#include "nsError.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/FormData.h"
namespace mozilla {
class ErrorResult;
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(nsIGlobalObject* 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