gecko-dev/startupcache/StartupCacheUtils.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
2012-05-21 11:12:37 +00:00
/* 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 "nsIStorageStream.h"
#include "nsIObjectInputStream.h"
#include "nsIObjectOutputStream.h"
namespace mozilla {
namespace scache {
NS_EXPORT nsresult
NewObjectInputStreamFromBuffer(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).
NS_EXPORT nsresult
NewObjectOutputWrappedStorageStream(nsIObjectOutputStream **wrapperStream,
nsIStorageStream** stream,
bool wantDebugStream);
// Creates a buffer for storing the stream into the cache. The buffer is
// allocated with 'new []'. Typically, the caller would store the buffer in
// an nsAutoArrayPtr<char> and then call nsIStartupCache::PutBuffer with it.
NS_EXPORT nsresult
NewBufferFromStorageStream(nsIStorageStream *storageStream,
char** buffer, uint32_t* len);
NS_EXPORT nsresult
PathifyURI(nsIURI *in, nsACString &out);
}
}
#endif //nsStartupCacheUtils_h_