forked from mirrors/gecko-dev
e61507c3a3
This new method can be used to check if the nsIOutputStream has been closed without having data available to write. It should avoid blocking to discover this information. Differential Revision: https://phabricator.services.mozilla.com/D170696
54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsBase64Encoder.h"
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#include "mozilla/Base64.h"
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NS_IMPL_ISUPPORTS(nsBase64Encoder, nsIOutputStream)
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NS_IMETHODIMP
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nsBase64Encoder::Close() { return NS_OK; }
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NS_IMETHODIMP
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nsBase64Encoder::Flush() { return NS_OK; }
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NS_IMETHODIMP
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nsBase64Encoder::StreamStatus() { return NS_OK; }
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NS_IMETHODIMP
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nsBase64Encoder::Write(const char* aBuf, uint32_t aCount, uint32_t* _retval) {
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mData.Append(aBuf, aCount);
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*_retval = aCount;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBase64Encoder::WriteFrom(nsIInputStream* aStream, uint32_t aCount,
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uint32_t* _retval) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsBase64Encoder::WriteSegments(nsReadSegmentFun aReader, void* aClosure,
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uint32_t aCount, uint32_t* _retval) {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsBase64Encoder::IsNonBlocking(bool* aNonBlocking) {
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*aNonBlocking = false;
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return NS_OK;
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}
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nsresult nsBase64Encoder::Finish(nsACString& result) {
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nsresult rv = mozilla::Base64Encode(mData, result);
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if (NS_FAILED(rv)) {
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return rv;
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}
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// Free unneeded memory and allow reusing the object
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mData.Truncate();
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return NS_OK;
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}
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