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authorMatt A. Tobin <email@mattatobin.com>2020-02-22 17:32:39 -0500
committerwolfbeast <mcwerewolf@wolfbeast.com>2020-04-14 12:50:57 +0200
commit36fc5f674ef1a02d1498484c563a7108f4de44ed (patch)
tree120483cd8fc0decd189d5118941a9b23d6156ad5 /devtools/shared/heapsnapshot/ZeroCopyNSIOutputStream.cpp
parent7b30664f59e65cadb7d5eb2e42591e90a32871f8 (diff)
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Reclassify heapsnapshot and nsJSInspector as not part of devtools
This resolves Issue #316
Diffstat (limited to 'devtools/shared/heapsnapshot/ZeroCopyNSIOutputStream.cpp')
-rw-r--r--devtools/shared/heapsnapshot/ZeroCopyNSIOutputStream.cpp100
1 files changed, 0 insertions, 100 deletions
diff --git a/devtools/shared/heapsnapshot/ZeroCopyNSIOutputStream.cpp b/devtools/shared/heapsnapshot/ZeroCopyNSIOutputStream.cpp
deleted file mode 100644
index 0c29db7f9..000000000
--- a/devtools/shared/heapsnapshot/ZeroCopyNSIOutputStream.cpp
+++ /dev/null
@@ -1,100 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
-/* 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 "mozilla/devtools/ZeroCopyNSIOutputStream.h"
-
-#include "mozilla/DebugOnly.h"
-#include "mozilla/Unused.h"
-
-namespace mozilla {
-namespace devtools {
-
-ZeroCopyNSIOutputStream::ZeroCopyNSIOutputStream(nsCOMPtr<nsIOutputStream>& out)
- : out(out)
- , result_(NS_OK)
- , amountUsed(0)
- , writtenCount(0)
-{
- DebugOnly<bool> nonBlocking = false;
- MOZ_ASSERT(out->IsNonBlocking(&nonBlocking) == NS_OK);
- MOZ_ASSERT(!nonBlocking);
-}
-
-ZeroCopyNSIOutputStream::~ZeroCopyNSIOutputStream()
-{
- if (!failed())
- Unused << NS_WARN_IF(NS_FAILED(writeBuffer()));
-}
-
-nsresult
-ZeroCopyNSIOutputStream::writeBuffer()
-{
- if (failed())
- return result_;
-
- if (amountUsed == 0)
- return NS_OK;
-
- int32_t amountWritten = 0;
- while (amountWritten < amountUsed) {
- uint32_t justWritten = 0;
-
- result_ = out->Write(buffer + amountWritten,
- amountUsed - amountWritten,
- &justWritten);
- if (NS_WARN_IF(NS_FAILED(result_)))
- return result_;
-
- amountWritten += justWritten;
- }
-
- writtenCount += amountUsed;
- amountUsed = 0;
- return NS_OK;
-}
-
-// ZeroCopyOutputStream Interface
-
-bool
-ZeroCopyNSIOutputStream::Next(void** data, int* size)
-{
- MOZ_ASSERT(data != nullptr);
- MOZ_ASSERT(size != nullptr);
-
- if (failed())
- return false;
-
- if (amountUsed == BUFFER_SIZE) {
- if (NS_FAILED(writeBuffer()))
- return false;
- }
-
- *data = buffer + amountUsed;
- *size = BUFFER_SIZE - amountUsed;
- amountUsed = BUFFER_SIZE;
- return true;
-}
-
-void
-ZeroCopyNSIOutputStream::BackUp(int count)
-{
- MOZ_ASSERT(count >= 0,
- "Cannot back up a negative amount of bytes.");
- MOZ_ASSERT(amountUsed == BUFFER_SIZE,
- "Can only call BackUp directly after calling Next.");
- MOZ_ASSERT(count <= amountUsed,
- "Can't back up further than we've given out.");
-
- amountUsed -= count;
-}
-
-::google::protobuf::int64
-ZeroCopyNSIOutputStream::ByteCount() const
-{
- return writtenCount + amountUsed;
-}
-
-} // namespace devtools
-} // namespace mozilla