forked from mirrors/gecko-dev
a51fed2b98
nsBase64Encoder::Finish currently works by calling PL_Base64Encode to allocate a base64-encoded string, then Assign()'ing that to the result string, another allocation. mozilla::Base64Encode enables us to base64 encode directly into the result string with a single allocation, saving an allocation. (Base64Encode is also slightly more efficient, because we don't have to do a strlen() on the string being Assign()'d.) Let's use Base64Encode instead.
65 lines
1.3 KiB
C++
65 lines
1.3 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/. */
|
|
|
|
#include "nsBase64Encoder.h"
|
|
|
|
#include "mozilla/Base64.h"
|
|
|
|
NS_IMPL_ISUPPORTS(nsBase64Encoder, nsIOutputStream)
|
|
|
|
NS_IMETHODIMP
|
|
nsBase64Encoder::Close()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsBase64Encoder::Flush()
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsBase64Encoder::Write(const char* aBuf, uint32_t aCount, uint32_t* _retval)
|
|
{
|
|
mData.Append(aBuf, aCount);
|
|
*_retval = aCount;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsBase64Encoder::WriteFrom(nsIInputStream* aStream, uint32_t aCount,
|
|
uint32_t* _retval)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsBase64Encoder::WriteSegments(nsReadSegmentFun aReader,
|
|
void* aClosure,
|
|
uint32_t aCount,
|
|
uint32_t* _retval)
|
|
{
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsBase64Encoder::IsNonBlocking(bool* aNonBlocking)
|
|
{
|
|
*aNonBlocking = false;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsBase64Encoder::Finish(nsACString& result)
|
|
{
|
|
nsresult rv = mozilla::Base64Encode(mData, result);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// Free unneeded memory and allow reusing the object
|
|
mData.Truncate();
|
|
return NS_OK;
|
|
}
|