startupcache/StartupCacheUtils.h
author Daniel Holbert <dholbert@cs.stanford.edu>
Tue, 23 Feb 2021 18:56:06 +0000
changeset 635364 525861b80748ba606a69d72b49fec018345f14d4
parent 557740 849df6250b7e0fe49d4f32c993b241114b357687
permissions -rw-r--r--
Bug 1560242: Increase fuzzy tolerance for reftest flexbox-resizeviewport-1.xhtml to account for observed fuzziness levels. (no review; just a reftest annotation adjustment) DONTBUILD a=test-only Differential Revision: https://phabricator.services.mozilla.com/D106159

/* -*- 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/. */
#ifndef nsStartupCacheUtils_h_
#define nsStartupCacheUtils_h_

#include "nsString.h"
#include "nsIStorageStream.h"
#include "nsIObjectInputStream.h"
#include "nsIObjectOutputStream.h"
#include "mozilla/UniquePtr.h"

class nsIURI;

namespace mozilla {
namespace scache {

nsresult NewObjectInputStreamFromBuffer(const char* buffer, uint32_t len,
                                        nsIObjectInputStream** stream);

// We can't retrieve the wrapped stream from the objectOutputStream later,
// so we return it here. We give callers in debug builds the option
// to wrap the outputstream in a debug stream, which will detect if
// non-singleton objects are written out multiple times during a serialization.
// This could cause them to be deserialized incorrectly (as multiple copies
// instead of references).
nsresult NewObjectOutputWrappedStorageStream(
    nsIObjectOutputStream** wrapperStream, nsIStorageStream** stream,
    bool wantDebugStream);

// Creates a buffer for storing the stream into the cache. The buffer is
// allocated with 'new []'.  After calling this function, the caller would
// typically call StartupCache::PutBuffer with the returned buffer.
nsresult NewBufferFromStorageStream(nsIStorageStream* storageStream,
                                    UniquePtr<char[]>* buffer, uint32_t* len);

nsresult ResolveURI(nsIURI* in, nsIURI** out);

nsresult PathifyURI(nsIURI* in, nsACString& out);
}  // namespace scache
}  // namespace mozilla

#endif  // nsStartupCacheUtils_h_