зеркало из https://github.com/mozilla/gecko-dev.git
157 строки
3.1 KiB
C++
157 строки
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* 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 "mozilla/dom/BaseBlobImpl.h"
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#include "prtime.h"
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namespace mozilla {
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namespace dom {
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void
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BaseBlobImpl::GetName(nsAString& aName) const
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{
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MOZ_ASSERT(mIsFile, "Should only be called on files");
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aName = mName;
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}
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void
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BaseBlobImpl::GetDOMPath(nsAString& aPath) const
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{
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MOZ_ASSERT(mIsFile, "Should only be called on files");
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aPath = mPath;
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}
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void
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BaseBlobImpl::SetDOMPath(const nsAString& aPath)
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{
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MOZ_ASSERT(mIsFile, "Should only be called on files");
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mPath = aPath;
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}
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void
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BaseBlobImpl::GetMozFullPath(nsAString& aFileName,
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SystemCallerGuarantee /* unused */,
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ErrorResult& aRv) const
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{
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MOZ_ASSERT(mIsFile, "Should only be called on files");
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GetMozFullPathInternal(aFileName, aRv);
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}
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void
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BaseBlobImpl::GetMozFullPathInternal(nsAString& aFileName, ErrorResult& aRv) const
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{
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if (!mIsFile) {
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aRv.Throw(NS_ERROR_FAILURE);
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return;
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}
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aFileName.Truncate();
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}
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void
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BaseBlobImpl::GetType(nsAString& aType)
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{
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aType = mContentType;
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}
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int64_t
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BaseBlobImpl::GetLastModified(ErrorResult& aRv)
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{
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MOZ_ASSERT(mIsFile, "Should only be called on files");
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if (IsDateUnknown()) {
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mLastModificationDate = PR_Now();
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}
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return mLastModificationDate / PR_USEC_PER_MSEC;
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}
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void
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BaseBlobImpl::SetLastModified(int64_t aLastModified)
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{
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mLastModificationDate = aLastModified * PR_USEC_PER_MSEC;
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}
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int64_t
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BaseBlobImpl::GetFileId()
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{
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return -1;
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}
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nsresult
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BaseBlobImpl::GetSendInfo(nsIInputStream** aBody, uint64_t* aContentLength,
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nsACString& aContentType, nsACString& aCharset)
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{
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MOZ_ASSERT(aContentLength);
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ErrorResult rv;
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nsCOMPtr<nsIInputStream> stream;
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GetInternalStream(getter_AddRefs(stream), rv);
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if (NS_WARN_IF(rv.Failed())) {
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return rv.StealNSResult();
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}
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*aContentLength = GetSize(rv);
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if (NS_WARN_IF(rv.Failed())) {
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return rv.StealNSResult();
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}
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nsAutoString contentType;
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GetType(contentType);
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if (contentType.IsEmpty()) {
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aContentType.SetIsVoid(true);
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} else {
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CopyUTF16toUTF8(contentType, aContentType);
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}
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aCharset.Truncate();
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stream.forget(aBody);
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return NS_OK;
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}
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nsresult
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BaseBlobImpl::GetMutable(bool* aMutable) const
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{
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*aMutable = !mImmutable;
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return NS_OK;
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}
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nsresult
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BaseBlobImpl::SetMutable(bool aMutable)
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{
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nsresult rv = NS_OK;
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NS_ENSURE_ARG(!mImmutable || !aMutable);
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if (!mImmutable && !aMutable) {
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// Force the content type and size to be cached
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nsAutoString dummyString;
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GetType(dummyString);
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ErrorResult error;
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GetSize(error);
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if (NS_WARN_IF(error.Failed())) {
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return error.StealNSResult();
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}
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}
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mImmutable = !aMutable;
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return rv;
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}
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/* static */ uint64_t
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BaseBlobImpl::NextSerialNumber()
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{
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static Atomic<uint64_t> nextSerialNumber;
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return nextSerialNumber++;
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}
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} // namespace dom
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} // namespace mozilla
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