forked from mirrors/gecko-dev
77 lines
3.2 KiB
C++
77 lines
3.2 KiB
C++
/* -*- 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"
|
|
#include "mozilla/UniquePtrExtensions.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,
|
|
UniqueFreePtr<char[]>* buffer,
|
|
uint32_t* len);
|
|
|
|
nsresult ResolveURI(nsIURI* in, nsIURI** out);
|
|
|
|
// PathifyURI transforms uris into useful zip paths
|
|
// to make it easier to manipulate startup cache entries
|
|
// using standard zip tools.
|
|
//
|
|
// Transformations applied:
|
|
// * resource:// URIs are resolved to their corresponding file/jar URI to
|
|
// canonicalize resources URIs other than gre and app.
|
|
// * Paths under GRE or APP directory have their base path replaced with
|
|
// resource/gre or resource/app to avoid depending on install location.
|
|
// * jar:file:///path/to/file.jar!/sub/path urls are replaced with
|
|
// /path/to/file.jar/sub/path
|
|
//
|
|
// The result is concatenated with loaderType and stored into the string
|
|
// passed in.
|
|
//
|
|
// For example, in the js loader (loaderType = "jsloader"):
|
|
// resource://gre/modules/XPCOMUtils.sys.mjs or
|
|
// file://$GRE_DIR/modules/XPCOMUtils.sys.mjs or
|
|
// jar:file://$GRE_DIR/omni.jar!/modules/XPCOMUtils.sys.mjs becomes
|
|
// jsloader/resource/gre/modules/XPCOMUtils.sys.mjs
|
|
// file://$PROFILE_DIR/extensions/{uuid}/components/component.js becomes
|
|
// jsloader/$PROFILE_DIR/extensions/%7Buuid%7D/components/component.js
|
|
// jar:file://$PROFILE_DIR/extensions/some.xpi!/components/component.js becomes
|
|
// jsloader/$PROFILE_DIR/extensions/some.xpi/components/component.js
|
|
nsresult PathifyURI(const char* loaderType, size_t loaderTypeLength, nsIURI* in,
|
|
nsACString& out);
|
|
|
|
template <int N>
|
|
nsresult PathifyURI(const char (&loaderType)[N], nsIURI* in, nsACString& out) {
|
|
return PathifyURI(loaderType, N - 1, in, out);
|
|
}
|
|
|
|
} // namespace scache
|
|
} // namespace mozilla
|
|
|
|
#endif // nsStartupCacheUtils_h_
|