gecko-dev/netwerk/base/nsBase64Encoder.cpp

68 строки
1.4 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 "plbase64.h"
#include "prmem.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(nsCSubstring& result)
{
char* b64 = PL_Base64Encode(mData.get(), mData.Length(), nullptr);
if (!b64)
return NS_ERROR_OUT_OF_MEMORY;
result.Assign(b64);
PR_Free(b64);
// Free unneeded memory and allow reusing the object
mData.Truncate();
return NS_OK;
}