netwerk/base/nsBase64Encoder.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "nsBase64Encoder.h"
   6
   7 #include "mozilla/Base64.h"
   8
   9 NS_IMPL_ISUPPORTS(nsBase64Encoder, nsIOutputStream)
  10
  11 NS_IMETHODIMP
  12 nsBase64Encoder::Close() { return NS_OK; }
  13
  14 NS_IMETHODIMP
  15 nsBase64Encoder::Flush() { return NS_OK; }
  16
  17 NS_IMETHODIMP
  18 nsBase64Encoder::StreamStatus() { return NS_OK; }
  19
  20 NS_IMETHODIMP
  21 nsBase64Encoder::Write(const char* aBuf, uint32_t aCount, uint32_t* _retval) {
  22   mData.Append(aBuf, aCount);
  23   *_retval = aCount;
  24   return NS_OK;
  25 }
  26
  27 NS_IMETHODIMP
  28 nsBase64Encoder::WriteFrom(nsIInputStream* aStream, uint32_t aCount,
  29                            uint32_t* _retval) {
  30   return NS_ERROR_NOT_IMPLEMENTED;
  31 }
  32
  33 NS_IMETHODIMP
  34 nsBase64Encoder::WriteSegments(nsReadSegmentFun aReader, void* aClosure,
  35                                uint32_t aCount, uint32_t* _retval) {
  36   return NS_ERROR_NOT_IMPLEMENTED;
  37 }
  38
  39 NS_IMETHODIMP
  40 nsBase64Encoder::IsNonBlocking(bool* aNonBlocking) {
  41   *aNonBlocking = false;
  42   return NS_OK;
  43 }
  44
  45 nsresult nsBase64Encoder::Finish(nsACString& result) {
  46   nsresult rv = mozilla::Base64Encode(mData, result);
  47   if (NS_FAILED(rv)) {
  48     return rv;
  49   }
  50
  51   // Free unneeded memory and allow reusing the object
  52   mData.Truncate();
  53   return NS_OK;
  54 }