gecko-dev/xpcom/io/Base64.h
Nicholas Nethercote ebf2837e7e Bug 1273712 (part 2) - Add a new overloading of Base64Encode(). r=erahm.
This will be used in bug 1273711 to avoid an OOM.

This also tweaks one of the existing overloadings of Base64Encode to return
NS_ERROR_OUT_OF_MEMORY on OOM instead of NS_ERROR_INVALID_ARG.

--HG--
extra : rebase_source : a2ad472b11ac2c858487bf5fdae84d183084773b
2016-05-19 08:55:46 +10:00

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1.9 KiB
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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_Base64_h__
#define mozilla_Base64_h__
#include "nsString.h"
class nsIInputStream;
namespace mozilla {
nsresult
Base64EncodeInputStream(nsIInputStream* aInputStream,
nsACString& aDest,
uint32_t aCount,
uint32_t aOffset = 0);
nsresult
Base64EncodeInputStream(nsIInputStream* aInputStream,
nsAString& aDest,
uint32_t aCount,
uint32_t aOffset = 0);
nsresult
Base64Encode(const char* aBinary, uint32_t aBinaryLen, char** aBase64);
nsresult
Base64Encode(const nsACString& aBinary, nsACString& aBase64);
nsresult
Base64Encode(const nsAString& aBinary, nsAString& aBase64);
nsresult
Base64Decode(const nsACString& aBase64, nsACString& aBinary);
nsresult
Base64Decode(const nsAString& aBase64, nsAString& aBinary);
enum class Base64URLEncodePaddingPolicy {
Include,
Omit,
};
/**
* Converts |aBinary| to an unpadded, Base64 URL-encoded string per RFC 4648.
* Aims to encode the data in constant time. The caller retains ownership
* of |aBinary|.
*/
nsresult
Base64URLEncode(uint32_t aBinaryLen, const uint8_t* aBinary,
Base64URLEncodePaddingPolicy aPaddingPolicy,
nsACString& aBase64);
enum class Base64URLDecodePaddingPolicy {
Require,
Ignore,
Reject,
};
/**
* Decodes a Base64 URL-encoded |aBase64| into |aBinary|.
*/
nsresult
Base64URLDecode(const nsACString& aBase64,
Base64URLDecodePaddingPolicy aPaddingPolicy,
FallibleTArray<uint8_t>& aBinary);
} // namespace mozilla
#endif