Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 3794 insertions, 0 deletions

diff --git a/src/libs/xpcom18a4/xpcom/components/nsComponentManager.cpp b/src/libs/xpcom18a4/xpcom/components/nsComponentManager.cpp
new file mode 100644
index 00000000..980b0565
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/components/nsComponentManager.cpp
@@ -0,0 +1,3794 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK *****
+ *
+ * This Original Code has been modified by IBM Corporation.
+ * Modifications made by IBM described herein are
+ * Copyright (c) International Business Machines
+ * Corporation, 2000
+ *
+ * Modifications to Mozilla code or documentation
+ * identified per MPL Section 3.3
+ *
+ * Date             Modified by     Description of modification
+ * 04/20/2000       IBM Corp.      Added PR_CALLBACK for Optlink use in OS2
+ */
+#include <stdlib.h>
+#include "nscore.h"
+#include "nsISupports.h"
+#include "nspr.h"
+#include "nsCRT.h" // for atoll
+// Arena used by component manager for storing contractid string, dll
+// location strings and small objects
+// CAUTION: Arena align mask needs to be defined before including plarena.h
+//          currently from nsComponentManager.h
+#define PL_ARENA_CONST_ALIGN_MASK 7
+#define NS_CM_BLOCK_SIZE (1024 * 8)
+
+#include "nsAutoLock.h"
+#include "nsCOMPtr.h"
+#include "nsComponentManager.h"
+#include "nsComponentManagerObsolete.h"
+#include "nsDirectoryService.h"
+#include "nsDirectoryServiceDefs.h"
+#include "nsCategoryManager.h"
+#include "nsCategoryManagerUtils.h"
+#include "nsIComponentLoader.h"
+#include "nsIEnumerator.h"
+#include "nsIInterfaceInfoManager.h"
+#include "nsIModule.h"
+#include "nsIObserverService.h"
+#include "nsISimpleEnumerator.h"
+#include "nsXPCOM.h"
+#include "nsISupportsPrimitives.h"
+#include "nsLocalFile.h"
+#include "nsNativeComponentLoader.h"
+#include "nsReadableUtils.h"
+#include "nsString.h"
+#include "nsXPIDLString.h"
+#include "prcmon.h"
+#include "xptinfo.h" // this after nsISupports, to pick up IID so that xpt stuff doesn't try to define it itself...
+
+#include "nsInt64.h"
+#include "nsManifestLineReader.h"
+
+#include NEW_H     // for placement new
+
+
+#ifdef XP_BEOS
+#include <FindDirectory.h>
+#include <Path.h>
+#endif
+
+#include "prlog.h"
+
+PRLogModuleInfo* nsComponentManagerLog = nsnull;
+
+#if 0 || defined (DEBUG_timeless)
+ #define SHOW_DENIED_ON_SHUTDOWN
+ #define SHOW_CI_ON_EXISTING_SERVICE
+ #define XPCOM_CHECK_PENDING_CIDS
+#endif
+
+// Loader Types
+#define NS_LOADER_DATA_ALLOC_STEP 6
+
+// Bloated registry buffer size to improve startup performance -- needs to
+// be big enough to fit the entire file into memory or it'll thrash.
+// 512K is big enough to allow for some future growth in the registry.
+#define BIG_REGISTRY_BUFLEN   (512*1024)
+
+// Common Key Names
+const char classIDKeyName[]="classID";
+const char classesKeyName[]="contractID";
+const char componentLoadersKeyName[]="componentLoaders";
+const char componentsKeyName[]="components";
+const char xpcomComponentsKeyName[]="software/mozilla/XPCOM/components";
+const char xpcomKeyName[]="software/mozilla/XPCOM";
+
+// Common Value Names
+const char classIDValueName[]="ClassID";
+const char classNameValueName[]="ClassName";
+const char componentCountValueName[]="ComponentsCount";
+const char componentTypeValueName[]="ComponentType";
+const char contractIDValueName[]="ContractID";
+const char fileSizeValueName[]="FileSize";
+const char inprocServerValueName[]="InprocServer";
+const char lastModValueName[]="LastModTimeStamp";
+const char nativeComponentType[]="application/x-mozilla-native";
+const char staticComponentType[]="application/x-mozilla-static";
+const char versionValueName[]="VersionString";
+
+const static char XPCOM_ABSCOMPONENT_PREFIX[] = "abs:";
+const static char XPCOM_RELCOMPONENT_PREFIX[] = "rel:";
+const static char XPCOM_GRECOMPONENT_PREFIX[] = "gre:";
+
+static const char gIDFormat[] =
+  "{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}";
+
+
+#define NS_EMPTY_IID                                 \
+{                                                    \
+    0x00000000,                                      \
+    0x0000,                                          \
+    0x0000,                                          \
+    {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} \
+}
+
+NS_DEFINE_CID(kEmptyCID, NS_EMPTY_IID);
+NS_DEFINE_CID(kCategoryManagerCID, NS_CATEGORYMANAGER_CID);
+
+#define UID_STRING_LENGTH 39
+
+// Set to true from NS_ShutdownXPCOM.
+extern PRBool gXPCOMShuttingDown;
+
+static void GetIDString(const nsID& aCID, char buf[UID_STRING_LENGTH])
+{
+    PR_snprintf(buf, UID_STRING_LENGTH, gIDFormat,
+                aCID.m0, (PRUint32) aCID.m1, (PRUint32) aCID.m2,
+                (PRUint32) aCID.m3[0], (PRUint32) aCID.m3[1],
+                (PRUint32) aCID.m3[2], (PRUint32) aCID.m3[3],
+                (PRUint32) aCID.m3[4], (PRUint32) aCID.m3[5],
+                (PRUint32) aCID.m3[6], (PRUint32) aCID.m3[7]);
+}
+
+nsresult
+nsCreateInstanceFromCategory::operator()(const nsIID& aIID, void** aInstancePtr) const
+{
+    /*
+     * If I were a real man, I would consolidate this with
+     * nsGetServiceFromContractID::operator().
+     */
+    nsresult rv;
+    nsXPIDLCString value;
+    nsCOMPtr<nsIComponentManager> compMgr;
+    nsCOMPtr<nsICategoryManager> catman =
+        do_GetService(kCategoryManagerCID, &rv);
+
+    if (NS_FAILED(rv)) goto error;
+
+    if (!mCategory || !mEntry) {
+        // when categories have defaults, use that for null mEntry
+        rv = NS_ERROR_NULL_POINTER;
+        goto error;
+    }
+
+    /* find the contractID for category.entry */
+    rv = catman->GetCategoryEntry(mCategory, mEntry,
+                                  getter_Copies(value));
+    if (NS_FAILED(rv)) goto error;
+    if (!value) {
+        rv = NS_ERROR_SERVICE_NOT_AVAILABLE;
+        goto error;
+    }
+    NS_GetComponentManager(getter_AddRefs(compMgr));
+    if (!compMgr)
+        return NS_ERROR_FAILURE;
+    compMgr->CreateInstanceByContractID(value,
+                                        mOuter,
+                                        aIID,
+                                        aInstancePtr);
+    if (NS_FAILED(rv)) {
+    error:
+        *aInstancePtr = 0;
+    }
+
+    *mErrorPtr = rv;
+    return rv;
+}
+
+
+nsresult
+nsGetServiceFromCategory::operator()(const nsIID& aIID, void** aInstancePtr) const
+{
+    nsresult rv;
+    nsXPIDLCString value;
+    nsCOMPtr<nsICategoryManager> catman =
+        do_GetService(kCategoryManagerCID, &rv);
+    if (NS_FAILED(rv)) goto error;
+    if (!mCategory || !mEntry) {
+        // when categories have defaults, use that for null mEntry
+        rv = NS_ERROR_NULL_POINTER;
+        goto error;
+    }
+    /* find the contractID for category.entry */
+    rv = catman->GetCategoryEntry(mCategory, mEntry,
+                                  getter_Copies(value));
+    if (NS_FAILED(rv)) goto error;
+    if (!value) {
+        rv = NS_ERROR_SERVICE_NOT_AVAILABLE;
+        goto error;
+    }
+    if (mServiceManager) {
+        rv = mServiceManager->GetServiceByContractID(value, aIID, (void**)aInstancePtr);
+    } else {
+        nsCOMPtr<nsIServiceManager> mgr;
+        NS_GetServiceManager(getter_AddRefs(mgr));
+        if (mgr)
+            rv = mgr->GetServiceByContractID(value, aIID, (void**)aInstancePtr);
+    }
+    if (NS_FAILED(rv)) {
+    error:
+        *aInstancePtr = 0;
+    }
+    *mErrorPtr = rv;
+    return rv;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Arena helper functions
+////////////////////////////////////////////////////////////////////////////////
+char *
+ArenaStrndup(const char *s, PRUint32 len, PLArenaPool *arena)
+{
+    void *mem;
+    // Include trailing null in the len
+    PL_ARENA_ALLOCATE(mem, arena, len+1);
+    if (mem)
+        memcpy(mem, s, len+1);
+    return NS_STATIC_CAST(char *, mem);
+}
+
+char*
+ArenaStrdup(const char *s, PLArenaPool *arena)
+{
+    return ArenaStrndup(s, strlen(s), arena);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Hashtable Callbacks
+////////////////////////////////////////////////////////////////////////////////
+
+PRBool PR_CALLBACK
+nsFactoryEntry_Destroy(nsHashKey *aKey, void *aData, void* closure);
+
+PR_STATIC_CALLBACK(const void *)
+factory_GetKey(PLDHashTable *aTable, PLDHashEntryHdr *aHdr)
+{
+    nsFactoryTableEntry* entry = NS_STATIC_CAST(nsFactoryTableEntry*, aHdr);
+
+    return &entry->mFactoryEntry->mCid;
+}
+
+PR_STATIC_CALLBACK(PLDHashNumber)
+factory_HashKey(PLDHashTable *aTable, const void *aKey)
+{
+    const nsCID *cidp = NS_REINTERPRET_CAST(const nsCID*, aKey);
+
+    return cidp->m0;
+}
+
+PR_STATIC_CALLBACK(PRBool)
+factory_MatchEntry(PLDHashTable *aTable, const PLDHashEntryHdr *aHdr,
+                   const void *aKey)
+{
+    const nsFactoryTableEntry* entry =
+        NS_STATIC_CAST(const nsFactoryTableEntry*, aHdr);
+    const nsCID *cidp = NS_REINTERPRET_CAST(const nsCID*, aKey);
+
+    return (entry->mFactoryEntry->mCid).Equals(*cidp);
+}
+
+PR_STATIC_CALLBACK(void)
+factory_ClearEntry(PLDHashTable *aTable, PLDHashEntryHdr *aHdr)
+{
+    nsFactoryTableEntry* entry = NS_STATIC_CAST(nsFactoryTableEntry*, aHdr);
+    // nsFactoryEntry is arena allocated. So we dont delete it.
+    // We call the destructor by hand.
+    entry->mFactoryEntry->~nsFactoryEntry();
+    PL_DHashClearEntryStub(aTable, aHdr);
+}
+
+static const PLDHashTableOps factory_DHashTableOps = {
+    PL_DHashAllocTable,
+    PL_DHashFreeTable,
+    factory_GetKey,
+    factory_HashKey,
+    factory_MatchEntry,
+    PL_DHashMoveEntryStub,
+    factory_ClearEntry,
+    PL_DHashFinalizeStub,
+};
+
+PR_STATIC_CALLBACK(void)
+contractID_ClearEntry(PLDHashTable *aTable, PLDHashEntryHdr *aHdr)
+{
+    nsContractIDTableEntry* entry = NS_STATIC_CAST(nsContractIDTableEntry*, aHdr);
+    if (entry->mFactoryEntry->mTypeIndex == NS_COMPONENT_TYPE_SERVICE_ONLY &&
+        entry->mFactoryEntry->mCid.Equals(kEmptyCID)) {
+        // this object is owned by the hash.
+        // nsFactoryEntry is arena allocated. So we dont delete it.
+        // We call the destructor by hand.
+        entry->mFactoryEntry->~nsFactoryEntry();
+    }
+
+    // contractIDs are arena allocated. No need to free them.
+
+    PL_DHashClearEntryStub(aTable, aHdr);
+}
+
+static const PLDHashTableOps contractID_DHashTableOps = {
+    PL_DHashAllocTable,
+    PL_DHashFreeTable,
+    PL_DHashGetKeyStub,
+    PL_DHashStringKey,
+    PL_DHashMatchStringKey,
+    PL_DHashMoveEntryStub,
+    contractID_ClearEntry,
+    PL_DHashFinalizeStub,
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// nsFactoryEntry
+////////////////////////////////////////////////////////////////////////////////
+
+MOZ_DECL_CTOR_COUNTER(nsFactoryEntry)
+nsFactoryEntry::nsFactoryEntry(const nsCID &aClass,
+                               const char *aLocation,
+                               PRUint32 locationlen,
+                               int aType,
+                               class nsFactoryEntry* parent)
+: mCid(aClass), mTypeIndex(aType), mParent(parent)
+{
+    // Arena allocate the location string
+    mLocation = ArenaStrndup(aLocation, locationlen, &nsComponentManagerImpl::gComponentManager->mArena);
+}
+
+nsFactoryEntry::nsFactoryEntry(const nsCID &aClass,
+                               nsIFactory *aFactory,
+                               class nsFactoryEntry* parent)
+: mCid(aClass), mTypeIndex(NS_COMPONENT_TYPE_FACTORY_ONLY), mParent(parent)
+{
+    mFactory = aFactory;
+    mLocation = nsnull;
+}
+
+// nsFactoryEntry is usually arena allocated including the strings it
+// holds. So we call destructor by hand.
+nsFactoryEntry::~nsFactoryEntry(void)
+{
+    // Release the reference to the factory
+    mFactory = nsnull;
+
+    // Release any service reference
+    mServiceObject = nsnull;
+
+    // nsFactoryEntry is arena allocated. So we dont delete it.
+    // We call the destructor by hand.
+    if (mParent)
+        mParent->~nsFactoryEntry();
+}
+
+nsresult
+nsFactoryEntry::ReInit(const nsCID &aClass, const char *aLocation, int aType)
+{
+    NS_ENSURE_TRUE(mTypeIndex != NS_COMPONENT_TYPE_FACTORY_ONLY, NS_ERROR_INVALID_ARG);
+    // cid has to match
+    // SERVICE_ONLY entries can be promoted to an entry of another type
+    NS_ENSURE_TRUE((mTypeIndex == NS_COMPONENT_TYPE_SERVICE_ONLY || mCid.Equals(aClass)),
+                   NS_ERROR_INVALID_ARG);
+
+    // Arena allocate the location string
+    mLocation = ArenaStrdup(aLocation, &nsComponentManagerImpl::gComponentManager->mArena);
+
+    mTypeIndex = aType;
+    return NS_OK;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Hashtable Enumeration
+////////////////////////////////////////////////////////////////////////////////
+typedef NS_CALLBACK(EnumeratorConverter)(PLDHashTable *table,
+                                         const PLDHashEntryHdr *hdr,
+                                         void *data,
+                                         nsISupports **retval);
+
+class PLDHashTableEnumeratorImpl : public nsIBidirectionalEnumerator,
+                                   public nsISimpleEnumerator
+{
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIENUMERATOR
+    NS_DECL_NSIBIDIRECTIONALENUMERATOR
+    NS_DECL_NSISIMPLEENUMERATOR
+
+    PLDHashTableEnumeratorImpl(PLDHashTable *table,
+                               EnumeratorConverter converter,
+                               void *converterData);
+    PRInt32 Count() { return mCount; }
+private:
+    PLDHashTableEnumeratorImpl(); /* no implementation */
+
+    ~PLDHashTableEnumeratorImpl();
+    NS_IMETHODIMP ReleaseElements();
+
+    nsVoidArray   mElements;
+    PRInt32       mCount, mCurrent;
+    PRMonitor*    mMonitor;
+
+    struct Closure {
+        PRBool                        succeeded;
+        EnumeratorConverter           converter;
+        void                          *data;
+        PLDHashTableEnumeratorImpl    *impl;
+    };
+
+    static PLDHashOperator PR_CALLBACK Enumerator(PLDHashTable *table,
+                                                  PLDHashEntryHdr *hdr,
+                                                  PRUint32 number,
+                                                  void *data);
+};
+
+// static
+PLDHashOperator PR_CALLBACK
+PLDHashTableEnumeratorImpl::Enumerator(PLDHashTable *table,
+                                       PLDHashEntryHdr *hdr,
+                                       PRUint32 number,
+                                       void *data)
+{
+    Closure *c = NS_REINTERPRET_CAST(Closure *, data);
+    nsISupports *converted;
+    if (NS_FAILED(c->converter(table, hdr, c->data, &converted)) ||
+        !c->impl->mElements.AppendElement(converted)) {
+        c->succeeded = PR_FALSE;
+        return PL_DHASH_STOP;
+    }
+
+    c->succeeded = PR_TRUE;
+    return PL_DHASH_NEXT;
+}
+
+PLDHashTableEnumeratorImpl::PLDHashTableEnumeratorImpl(PLDHashTable *table,
+                                                       EnumeratorConverter converter,
+                                                       void *converterData)
+: mCurrent(0)
+{
+    mMonitor = nsAutoMonitor::NewMonitor("PLDHashTableEnumeratorImpl");
+    NS_ASSERTION(mMonitor, "NULL Monitor");
+
+    nsAutoMonitor mon(mMonitor);
+
+    Closure c = { PR_FALSE, converter, converterData, this };
+    mCount = PL_DHashTableEnumerate(table, Enumerator, &c);
+    if (!c.succeeded) {
+        ReleaseElements();
+        mCount = 0;
+    }
+}
+
+NS_IMPL_ISUPPORTS3(PLDHashTableEnumeratorImpl,
+                   nsIBidirectionalEnumerator,
+                   nsIEnumerator,
+                   nsISimpleEnumerator)
+
+PLDHashTableEnumeratorImpl::~PLDHashTableEnumeratorImpl()
+{
+    (void) ReleaseElements();
+
+    // Destroy the Lock
+    if (mMonitor)
+        nsAutoMonitor::DestroyMonitor(mMonitor);
+}
+
+NS_IMETHODIMP
+PLDHashTableEnumeratorImpl::ReleaseElements()
+{
+    for (PRInt32 i = 0; i < mCount; i++) {
+        nsISupports *supports = NS_REINTERPRET_CAST(nsISupports *,
+                                                    mElements[i]);
+        NS_IF_RELEASE(supports);
+    }
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+PL_NewDHashTableEnumerator(PLDHashTable *table,
+                           EnumeratorConverter converter,
+                           void *converterData,
+                           PLDHashTableEnumeratorImpl **retval)
+{
+    PLDHashTableEnumeratorImpl *impl =
+        new PLDHashTableEnumeratorImpl(table, converter, converterData);
+
+    if (!impl)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    NS_ADDREF(impl);
+
+    if (impl->Count() == -1) {
+        // conversion failed
+        NS_RELEASE(impl);
+        return NS_ERROR_FAILURE;
+    }
+
+    *retval = impl;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+PLDHashTableEnumeratorImpl::First()
+{
+    if (!mCount)
+        return NS_ERROR_FAILURE;
+
+    mCurrent = 0;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+PLDHashTableEnumeratorImpl::Last()
+{
+    if (!mCount)
+        return NS_ERROR_FAILURE;
+    mCurrent = mCount - 1;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+PLDHashTableEnumeratorImpl::Prev()
+{
+    if (!mCurrent)
+        return NS_ERROR_FAILURE;
+
+    mCurrent--;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+PLDHashTableEnumeratorImpl::Next()
+{
+    // If empty or we're past the end, or we are at the end return error
+    if (!mCount || (mCurrent == mCount) || (++mCurrent == mCount))
+        return NS_ERROR_FAILURE;
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+PLDHashTableEnumeratorImpl::CurrentItem(nsISupports **retval)
+{
+    if (!mCount || mCurrent == mCount)
+        return NS_ERROR_FAILURE;
+
+    *retval = NS_REINTERPRET_CAST(nsISupports *, mElements[mCurrent]);
+    if (*retval)
+        NS_ADDREF(*retval);
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+PLDHashTableEnumeratorImpl::IsDone()
+{
+    if (!mCount || (mCurrent == mCount))
+        return NS_OK;
+
+    return NS_ENUMERATOR_FALSE;
+}
+
+NS_IMETHODIMP
+PLDHashTableEnumeratorImpl::HasMoreElements(PRBool *_retval)
+{
+    if (!mCount || (mCurrent == mCount))
+        *_retval = PR_FALSE;
+    else
+        *_retval = PR_TRUE;
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+PLDHashTableEnumeratorImpl::GetNext(nsISupports **_retval)
+{
+    nsresult rv = Next();
+    if (NS_FAILED(rv)) return rv;
+
+    return CurrentItem(_retval);
+}
+
+static NS_IMETHODIMP
+ConvertFactoryEntryToCID(PLDHashTable *table,
+                         const PLDHashEntryHdr *hdr,
+                         void *data, nsISupports **retval)
+{
+    nsresult rv;
+    nsCOMPtr<nsISupportsID> wrapper;
+
+    nsComponentManagerImpl *cm = NS_STATIC_CAST(nsComponentManagerImpl *, data);
+
+    rv = cm->CreateInstanceByContractID(NS_SUPPORTS_ID_CONTRACTID, nsnull,
+           NS_GET_IID(nsISupportsID), getter_AddRefs(wrapper));
+
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    const nsFactoryTableEntry *entry =
+        NS_REINTERPRET_CAST(const nsFactoryTableEntry *, hdr);
+    if (entry) {
+        nsFactoryEntry *fe = entry->mFactoryEntry;
+
+        wrapper->SetData(&fe->mCid);
+        *retval = wrapper;
+        NS_ADDREF(*retval);
+        return NS_OK;
+    }
+    *retval = nsnull;
+
+    return rv;
+}
+
+static NS_IMETHODIMP
+ConvertContractIDKeyToString(PLDHashTable *table,
+                             const PLDHashEntryHdr *hdr,
+                             void *data, nsISupports **retval)
+{
+    nsresult rv;
+    nsCOMPtr<nsISupportsCString> wrapper;
+
+    nsComponentManagerImpl *cm = NS_STATIC_CAST(nsComponentManagerImpl *, data);
+
+    rv = cm->CreateInstanceByContractID(NS_SUPPORTS_CSTRING_CONTRACTID, nsnull,
+                NS_GET_IID(nsISupportsCString), getter_AddRefs(wrapper));
+
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    const nsContractIDTableEntry *entry =
+        NS_REINTERPRET_CAST(const nsContractIDTableEntry *, hdr);
+
+    wrapper->SetData(nsDependentCString(entry->mContractID,
+                                        entry->mContractIDLen));
+    *retval = wrapper;
+    NS_ADDREF(*retval);
+    return NS_OK;
+}
+
+// this is safe to call during InitXPCOM
+static nsresult GetLocationFromDirectoryService(const char* prop,
+                                                nsIFile** aDirectory)
+{
+    nsCOMPtr<nsIProperties> directoryService;
+    nsDirectoryService::Create(nsnull,
+                               NS_GET_IID(nsIProperties),
+                               getter_AddRefs(directoryService));
+
+    if (!directoryService)
+        return NS_ERROR_FAILURE;
+
+    return directoryService->Get(prop,
+                                 NS_GET_IID(nsIFile),
+                                 (void**)aDirectory);
+}
+
+
+////////////////////////////////////////////////////////////////////////////////
+// nsComponentManagerImpl
+////////////////////////////////////////////////////////////////////////////////
+
+
+nsComponentManagerImpl::nsComponentManagerImpl()
+    :
+    mMon(NULL),
+    mNativeComponentLoader(0),
+#ifdef ENABLE_STATIC_COMPONENT_LOADER
+    mStaticComponentLoader(0),
+#endif
+    mShuttingDown(NS_SHUTDOWN_NEVERHAPPENED),
+    mLoaderData(nsnull),
+    mRegistryDirty(PR_FALSE)
+{
+    mFactories.ops = nsnull;
+    mContractIDs.ops = nsnull;
+}
+
+nsresult nsComponentManagerImpl::Init(void)
+{
+    PR_ASSERT(mShuttingDown != NS_SHUTDOWN_INPROGRESS);
+    if (mShuttingDown == NS_SHUTDOWN_INPROGRESS)
+        return NS_ERROR_FAILURE;
+
+    mShuttingDown = NS_SHUTDOWN_NEVERHAPPENED;
+
+    if (nsComponentManagerLog == nsnull)
+    {
+        nsComponentManagerLog = PR_NewLogModule("nsComponentManager");
+    }
+
+    // Initialize our arena
+    PL_INIT_ARENA_POOL(&mArena, "ComponentManagerArena", NS_CM_BLOCK_SIZE);
+
+    if (!mFactories.ops) {
+        if (!PL_DHashTableInit(&mFactories, &factory_DHashTableOps,
+                               0, sizeof(nsFactoryTableEntry),
+                               1024)) {
+            mFactories.ops = nsnull;
+            return NS_ERROR_OUT_OF_MEMORY;
+        }
+
+        // Minimum alpha uses k=2 because nsFactoryTableEntry saves two
+        // words compared to what a chained hash table requires.
+        PL_DHashTableSetAlphaBounds(&mFactories,
+                                    0.875,
+                                    PL_DHASH_MIN_ALPHA(&mFactories, 2));
+    }
+
+    if (!mContractIDs.ops) {
+        if (!PL_DHashTableInit(&mContractIDs, &contractID_DHashTableOps,
+                               0, sizeof(nsContractIDTableEntry),
+                               1024)) {
+            mContractIDs.ops = nsnull;
+            return NS_ERROR_OUT_OF_MEMORY;
+        }
+
+        // Minimum alpha uses k=1 because nsContractIDTableEntry saves one
+        // word compared to what a chained hash table requires.
+#if 0
+        PL_DHashTableSetAlphaBounds(&mContractIDs,
+                                    0.875,
+                                    PL_DHASH_MIN_ALPHA(&mContractIDs, 1));
+#endif
+    }
+    if (mMon == nsnull) {
+        mMon = nsAutoMonitor::NewMonitor("nsComponentManagerImpl");
+        if (mMon == nsnull)
+            return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    if (mNativeComponentLoader == nsnull) {
+        /* Create the NativeComponentLoader */
+        mNativeComponentLoader = new nsNativeComponentLoader();
+        if (!mNativeComponentLoader)
+            return NS_ERROR_OUT_OF_MEMORY;
+        NS_ADDREF(mNativeComponentLoader);
+
+        nsresult rv = mNativeComponentLoader->Init(this, nsnull);
+        if (NS_FAILED(rv))
+            return rv;
+    }
+
+    // Add predefined loaders
+    mLoaderData = (nsLoaderdata *) PR_Malloc(sizeof(nsLoaderdata) * NS_LOADER_DATA_ALLOC_STEP);
+    if (!mLoaderData)
+        return NS_ERROR_OUT_OF_MEMORY;
+    mMaxNLoaderData = NS_LOADER_DATA_ALLOC_STEP;
+
+    mNLoaderData = NS_COMPONENT_TYPE_NATIVE;
+    mLoaderData[mNLoaderData].type = PL_strdup(nativeComponentType);
+    mLoaderData[mNLoaderData].loader = mNativeComponentLoader;
+    NS_ADDREF(mLoaderData[mNLoaderData].loader);
+    mNLoaderData++;
+
+#ifdef ENABLE_STATIC_COMPONENT_LOADER
+    if (mStaticComponentLoader == nsnull) {
+        extern nsresult NS_NewStaticComponentLoader(nsIComponentLoader **);
+        NS_NewStaticComponentLoader(&mStaticComponentLoader);
+        if (!mStaticComponentLoader)
+            return NS_ERROR_OUT_OF_MEMORY;
+    }
+
+    mLoaderData[mNLoaderData].type = PL_strdup(staticComponentType);
+    mLoaderData[mNLoaderData].loader = mStaticComponentLoader;
+    NS_ADDREF(mLoaderData[mNLoaderData].loader);
+    mNLoaderData++;
+
+    if (mStaticComponentLoader) {
+        /* Init the static loader */
+        mStaticComponentLoader->Init(this, nsnull);
+    }
+#endif
+    GetLocationFromDirectoryService(NS_XPCOM_COMPONENT_DIR, getter_AddRefs(mComponentsDir));
+    if (!mComponentsDir)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    nsCAutoString componentDescriptor;
+    nsresult rv = mComponentsDir->GetNativePath(componentDescriptor);
+    if (NS_FAILED(rv))
+        return rv;
+
+    mComponentsOffset = componentDescriptor.Length();
+
+    GetLocationFromDirectoryService(NS_GRE_COMPONENT_DIR, getter_AddRefs(mGREComponentsDir));
+    if (mGREComponentsDir) {
+        nsresult rv = mGREComponentsDir->GetNativePath(componentDescriptor);
+        if (NS_FAILED(rv)) {
+            NS_WARNING("No GRE component manager");
+            return rv;
+        }
+        mGREComponentsOffset = componentDescriptor.Length();
+    }
+
+    GetLocationFromDirectoryService(NS_XPCOM_COMPONENT_REGISTRY_FILE,
+                                    getter_AddRefs(mRegistryFile));
+
+    if(!mRegistryFile) {
+        NS_WARNING("No Component Registry file was found in the directory service");
+        return NS_ERROR_FAILURE;
+    }
+
+    PR_LOG(nsComponentManagerLog, PR_LOG_DEBUG,
+           ("nsComponentManager: Initialized."));
+
+    return NS_OK;
+}
+
+PRIntn PR_CALLBACK AutoRegEntryDestroy(nsHashKey *aKey, void *aData, void* aClosure)
+{
+    delete (AutoRegEntry*)aData;
+    return kHashEnumerateNext;
+}
+
+nsresult nsComponentManagerImpl::Shutdown(void)
+{
+    PR_ASSERT(mShuttingDown == NS_SHUTDOWN_NEVERHAPPENED);
+    if (mShuttingDown != NS_SHUTDOWN_NEVERHAPPENED)
+        return NS_ERROR_FAILURE;
+
+    mShuttingDown = NS_SHUTDOWN_INPROGRESS;
+
+    // Shutdown the component manager
+    PR_LOG(nsComponentManagerLog, PR_LOG_DEBUG, ("nsComponentManager: Beginning Shutdown."));
+
+    PRInt32 i;
+
+    // Write out our component data file.
+    if (mRegistryDirty) {
+        nsresult rv = WritePersistentRegistry();
+        if (NS_FAILED(rv)) {
+            PR_LOG(nsComponentManagerLog, PR_LOG_ERROR, ("nsComponentManager: Could not write out perisistant registry."));
+#ifdef DEBUG
+            printf("Could not write out perisistant registry!\n");
+#endif
+        }
+    }
+
+    mAutoRegEntries.Reset(AutoRegEntryDestroy);
+
+    // Release all cached factories
+    if (mContractIDs.ops) {
+        PL_DHashTableFinish(&mContractIDs);
+        mContractIDs.ops = nsnull;
+    }
+    if (mFactories.ops) {
+        PL_DHashTableFinish(&mFactories);
+        mFactories.ops = nsnull;
+    }
+    // Unload libraries
+    UnloadLibraries(nsnull, NS_Shutdown);
+
+    // delete arena for strings and small objects
+    PL_FinishArenaPool(&mArena);
+
+    mComponentsDir = 0;
+
+    mCategoryManager = 0;
+
+    // Release all the component data - loaders and type strings
+    for (i=0; i < mNLoaderData; i++) {
+        NS_IF_RELEASE(mLoaderData[i].loader);
+        PL_strfree((char *)mLoaderData[i].type);
+    }
+    PR_Free(mLoaderData);
+    mLoaderData = nsnull;
+
+    // we have an extra reference on this one, which is probably a good thing
+    NS_IF_RELEASE(mNativeComponentLoader);
+#ifdef ENABLE_STATIC_COMPONENT_LOADER
+    NS_IF_RELEASE(mStaticComponentLoader);
+#endif
+
+    mShuttingDown = NS_SHUTDOWN_COMPLETE;
+
+    PR_LOG(nsComponentManagerLog, PR_LOG_DEBUG, ("nsComponentManager: Shutdown complete."));
+
+    return NS_OK;
+}
+
+nsComponentManagerImpl::~nsComponentManagerImpl()
+{
+    PR_LOG(nsComponentManagerLog, PR_LOG_DEBUG, ("nsComponentManager: Beginning destruction."));
+
+    if (mShuttingDown != NS_SHUTDOWN_COMPLETE)
+        Shutdown();
+
+    if (mMon) {
+        nsAutoMonitor::DestroyMonitor(mMon);
+    }
+    PR_LOG(nsComponentManagerLog, PR_LOG_DEBUG, ("nsComponentManager: Destroyed."));
+}
+
+NS_IMPL_THREADSAFE_ISUPPORTS8(nsComponentManagerImpl,
+                              nsIComponentManager,
+                              nsIServiceManager,
+                              nsISupportsWeakReference,
+                              nsIInterfaceRequestor,
+                              nsIComponentRegistrar,
+                              nsIServiceManagerObsolete,
+                              nsIComponentManagerObsolete,
+                              nsIComponentLoaderManager)
+
+
+nsresult
+nsComponentManagerImpl::GetInterface(const nsIID & uuid, void **result)
+{
+    if (uuid.Equals(NS_GET_IID(nsINativeComponentLoader)))
+    {
+        if (!mNativeComponentLoader)
+            return NS_ERROR_NOT_INITIALIZED;
+
+        return mNativeComponentLoader->QueryInterface(uuid, result);
+    }
+
+    NS_WARNING("This isn't supported");
+    // fall through to QI as anything QIable is a superset of what can be
+    // got via the GetInterface()
+    return  QueryInterface(uuid, result);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// nsComponentManagerImpl: Platform methods
+////////////////////////////////////////////////////////////////////////////////
+
+#define PERSISTENT_REGISTRY_VERSION_MINOR 5
+#define PERSISTENT_REGISTRY_VERSION_MAJOR 0
+
+
+AutoRegEntry::AutoRegEntry(const nsACString& name, PRInt64* modDate) :
+    mName(ToNewCString(name)),
+    mNameLen(name.Length()),
+    mData(nsnull),
+    mModDate(*modDate)
+{
+}
+
+AutoRegEntry::~AutoRegEntry()
+{
+    if (mName) PL_strfree(mName);
+    if (mData) PL_strfree(mData);
+}
+
+PRBool
+AutoRegEntry::Modified(PRInt64 *date)
+{
+    return !LL_EQ(*date, mModDate);
+}
+
+void
+AutoRegEntry::SetOptionalData(const char* data)
+{
+    if (mData)
+        PL_strfree(mData);
+
+    if (!data) {
+        mData = nsnull;
+        return;
+    }
+
+    mData = PL_strdup(data);
+}
+
+static
+PRBool ReadSectionHeader(nsManifestLineReader& reader, const char *token)
+{
+    while (1)
+    {
+        if (*reader.LinePtr() == '[')
+        {
+            char* p = reader.LinePtr() + (reader.LineLength() - 1);
+            if (*p != ']')
+                break;
+            *p = 0;
+
+            char* values[1];
+            int lengths[1];
+            if (2 != reader.ParseLine(values, lengths, 1))
+                break;
+
+            // ignore the leading '['
+            if (0 != PL_strcmp(values[0]+1, token))
+                break;
+
+            return PR_TRUE;
+        }
+
+        if (!reader.NextLine())
+            break;
+    }
+    return PR_FALSE;
+}
+
+nsresult
+nsComponentManagerImpl::ReadPersistentRegistry()
+{
+
+    // populate Category Manager. need to get this early so that we don't get
+    // skipped by 'goto out'
+    nsresult rv = GetService(kCategoryManagerCID,
+                             NS_GET_IID(nsICategoryManager),
+                             getter_AddRefs(mCategoryManager));
+    if (NS_FAILED(rv))
+        return rv;
+
+    nsAutoMonitor mon(mMon);
+    nsManifestLineReader reader;
+
+    if (!mComponentsDir)
+        return NS_ERROR_NOT_INITIALIZED;  // this should have been set by Init().
+
+    PRFileDesc* fd = nsnull;
+
+    // Set From Init
+    if (!mRegistryFile) {
+        return NS_ERROR_FILE_NOT_FOUND;
+    }
+
+    nsCOMPtr<nsIFile> file;
+    mRegistryFile->Clone(getter_AddRefs(file));
+    if (!file)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    nsCOMPtr<nsILocalFile> localFile(do_QueryInterface(file));
+
+    rv = localFile->OpenNSPRFileDesc(PR_RDONLY, 0444, &fd);
+    if (NS_FAILED(rv))
+        return rv;
+
+    PRInt64 fileSize;
+    rv = localFile->GetFileSize(&fileSize);
+    if (NS_FAILED(rv))
+    {
+        PR_Close(fd);
+        return rv;
+    }
+
+    PRInt32 flen = nsInt64(fileSize);
+    if (flen == 0)
+    {
+        PR_Close(fd);
+        NS_WARNING("Persistent Registry Empty!");
+        return NS_OK; // ERROR CONDITION
+    }
+
+    char* registry = new char[flen+1];
+    if (!registry)
+        goto out;
+
+    if (flen > PR_Read(fd, registry, flen))
+    {
+        rv = NS_ERROR_FAILURE;
+        goto out;
+    }
+    registry[flen] = '\0';
+
+    reader.Init(registry, flen);
+
+    if (ReadSectionHeader(reader, "HEADER"))
+        goto out;
+
+    if (!reader.NextLine())
+        goto out;
+
+    char* values[6];
+    int lengths[6];
+
+    // VersionLiteral,major,minor
+    if (3 != reader.ParseLine(values, lengths, 3))
+        goto out;
+
+    // VersionLiteral
+    if (!nsDependentCString(values[0], lengths[0]).EqualsLiteral("Version"))
+        goto out;
+
+    // major
+    if (PERSISTENT_REGISTRY_VERSION_MAJOR != atoi(values[1]))
+        goto out;
+
+    // minor
+    if (PERSISTENT_REGISTRY_VERSION_MINOR != atoi(values[2]))
+        goto out;
+
+    if (ReadSectionHeader(reader, "COMPONENTS"))
+        goto out;
+
+    while (1)
+    {
+        if (!reader.NextLine())
+            break;
+
+        //name,last_modification_date[,optionaldata]
+        int parts = reader.ParseLine(values, lengths, 3);
+        if (2 > parts)
+            break;
+
+        PRInt64 a = nsCRT::atoll(values[1]);
+        AutoRegEntry *entry =
+            new AutoRegEntry(nsDependentCString(values[0], lengths[0]), &a);
+
+        if (!entry)
+            return NS_ERROR_OUT_OF_MEMORY;
+
+        if (parts == 3)
+            entry->SetOptionalData(values[2]);
+
+        nsCStringKey key((const char*)values[0]);
+        mAutoRegEntries.Put(&key, entry);
+    }
+
+    if (ReadSectionHeader(reader, "CLASSIDS"))
+        goto out;
+
+    while (1)
+    {
+        if (!reader.NextLine())
+            break;
+
+        // cid,contract_id,type,class_name,inproc_server
+        if (5 != reader.ParseLine(values, lengths, 5))
+            break;
+
+        nsCID aClass;
+        if (!aClass.Parse(values[0]))
+            continue;
+
+        int loadertype = GetLoaderType(values[2]);
+        if (loadertype < 0) {
+            rv = AddLoaderType(values[2], &loadertype);
+            if (NS_FAILED(rv))
+                continue;
+        }
+
+        void *mem;
+        PL_ARENA_ALLOCATE(mem, &mArena, sizeof(nsFactoryEntry));
+        if (!mem)
+            return NS_ERROR_OUT_OF_MEMORY;
+
+        nsFactoryEntry *entry = new (mem) nsFactoryEntry(aClass, values[4], lengths[4], loadertype);
+
+        nsFactoryTableEntry* factoryTableEntry =
+            NS_STATIC_CAST(nsFactoryTableEntry*,
+                           PL_DHashTableOperate(&mFactories,
+                                                &aClass,
+                                                PL_DHASH_ADD));
+
+        if (!factoryTableEntry)
+            return NS_ERROR_OUT_OF_MEMORY;
+
+        factoryTableEntry->mFactoryEntry = entry;
+
+    }
+
+    if (ReadSectionHeader(reader, "CONTRACTIDS"))
+        goto out;
+
+    while (1)
+    {
+        if (!reader.NextLine())
+            break;
+
+        //contractID,cid
+        if (2 != reader.ParseLine(values, lengths, 2))
+            break;
+
+        nsCID aClass;
+        if (!aClass.Parse(values[1]))
+            continue;
+
+
+        //need to find the location for this cid.
+        nsFactoryEntry *cidEntry = GetFactoryEntry(aClass);
+        if (!cidEntry || cidEntry->mTypeIndex < 0)
+            continue; //what should we really do?
+
+        nsContractIDTableEntry* contractIDTableEntry =
+                NS_STATIC_CAST(nsContractIDTableEntry*,
+                               PL_DHashTableOperate(&mContractIDs,
+                                                    values[0],
+                                                    PL_DHASH_ADD));
+        if (!contractIDTableEntry) {
+            continue;
+        }
+
+        if (!contractIDTableEntry->mContractID) {
+            contractIDTableEntry->mContractID = ArenaStrndup(values[0], lengths[0], &mArena);
+            contractIDTableEntry->mContractIDLen = lengths[0];
+        }
+
+        contractIDTableEntry->mFactoryEntry = cidEntry;
+    }
+
+#ifdef XPCOM_CHECK_PENDING_CIDS
+    {
+/*
+ * If you get Asserts when you define SHOW_CI_ON_EXISTING_SERVICE and want to
+ * track down their cause, then you should add the contracts listed by the
+ * assertion to abusedContracts. The next time you run your xpcom app, xpcom
+ * will assert the first time the object associated with the contract is
+ * instantiated (which in many cases is the source of the problem).
+ *
+ * If you're doing this then you might want to NOP and soft breakpoint the
+ * lines labeled: NOP_AND_BREAK.
+ *
+ * Otherwise XPCOM will refuse to create the object for the caller, which
+ * while reasonable at some level, will almost certainly cause the app to
+ * stop functioning normally.
+ */
+        static char abusedContracts[][128] = {
+        /*// Example contracts:
+            "@mozilla.org/rdf/container;1",
+            "@mozilla.org/intl/charsetalias;1",
+            "@mozilla.org/locale/win32-locale;1",
+            "@mozilla.org/widget/lookandfeel/win;1",
+        // */
+            { 0 }
+        };
+        for (int i=0; abusedContracts[i] && *abusedContracts[i]; i++) {
+            nsFactoryEntry *entry = nsnull;
+            nsContractIDTableEntry* contractIDTableEntry =
+                NS_STATIC_CAST(nsContractIDTableEntry*,
+                               PL_DHashTableOperate(&mContractIDs, abusedContracts[i],
+                                                    PL_DHASH_LOOKUP));
+
+            if (PL_DHASH_ENTRY_IS_BUSY(contractIDTableEntry)) {
+                entry = contractIDTableEntry->mFactoryEntry;
+                AddPendingCID(entry->mCid);
+            }
+        }
+    }
+#endif
+
+    if (ReadSectionHeader(reader, "CATEGORIES"))
+        goto out;
+
+    while (1)
+    {
+        if (!reader.NextLine())
+            break;
+
+        //type,name,value
+        if (3 != reader.ParseLine(values, lengths, 3))
+            break;
+
+        mCategoryManager->AddCategoryEntry(values[0],
+                                           values[1],
+                                           values[2],
+                                           PR_TRUE,
+                                           PR_TRUE,
+                                           0);
+    }
+
+    mRegistryDirty = PR_FALSE;
+out:
+    if (fd)
+        PR_Close(fd);
+
+    if (registry)
+        delete [] registry;
+
+    return rv;
+}
+
+struct PersistentWriterArgs
+{
+    PRFileDesc *mFD;
+    nsLoaderdata *mLoaderData;
+};
+
+PR_STATIC_CALLBACK(PLDHashOperator)
+ContractIDWriter(PLDHashTable *table,
+                 PLDHashEntryHdr *hdr,
+                 PRUint32 number,
+                 void *arg)
+{
+    char *contractID   = ((nsContractIDTableEntry*)hdr)->mContractID;
+    nsFactoryEntry *factoryEntry = ((nsContractIDTableEntry*)hdr)->mFactoryEntry;
+
+    // for now, we only save out the top most parent.
+    while (factoryEntry->mParent)
+        factoryEntry = factoryEntry->mParent;
+
+    if (factoryEntry->mTypeIndex < 0)
+        return PL_DHASH_NEXT;
+
+    PRFileDesc* fd = ((PersistentWriterArgs*)arg)->mFD;
+
+    char cidString[UID_STRING_LENGTH];
+    GetIDString(factoryEntry->mCid, cidString);
+    PR_fprintf(fd, "%s,%s\n", contractID, cidString); // what if this fails?
+    return PL_DHASH_NEXT;
+}
+
+PR_STATIC_CALLBACK(PLDHashOperator)
+ClassIDWriter(PLDHashTable *table,
+              PLDHashEntryHdr *hdr,
+              PRUint32 number,
+              void *arg)
+{
+    nsFactoryEntry *factoryEntry = ((nsFactoryTableEntry*)hdr)->mFactoryEntry;
+    PRFileDesc* fd = ((PersistentWriterArgs*)arg)->mFD;
+    nsLoaderdata *loaderData = ((PersistentWriterArgs*)arg)->mLoaderData;
+
+    // for now, we only save out the top most parent.
+    while (factoryEntry->mParent)
+        factoryEntry = factoryEntry->mParent;
+
+    if (factoryEntry->mTypeIndex < 0) {
+        return PL_DHASH_NEXT;
+    }
+
+    char cidString[UID_STRING_LENGTH];
+    GetIDString(factoryEntry->mCid, cidString);
+
+    char *contractID = nsnull, *className = nsnull;
+
+    nsCOMPtr<nsIClassInfo> classInfo = do_QueryInterface(factoryEntry->mFactory);
+    if (classInfo)
+    {
+        classInfo->GetContractID(&contractID);
+        classInfo->GetClassDescription(&className);
+    }
+
+    const char * loaderName = nsnull;
+    if (factoryEntry->mTypeIndex)
+        loaderName = loaderData[factoryEntry->mTypeIndex].type;
+
+    char* location = factoryEntry->mLocation;
+
+    // cid,contract_id,type,class_name,inproc_server
+    PR_fprintf(fd,
+               "%s,%s,%s,%s,%s\n",
+               cidString,
+               (contractID ? contractID : ""),
+               (loaderName ? loaderName : ""),
+               (className  ? className  : ""),
+               (location   ? location   : ""));
+
+    if (contractID)
+        PR_Free(contractID);
+    if (className)
+        PR_Free(className);
+
+    return PL_DHASH_NEXT;
+}
+
+PRIntn PR_CALLBACK
+AutoRegEntryWriter(nsHashKey *aKey, void *aData, void* aClosure)
+{
+    PRFileDesc* fd = (PRFileDesc*) aClosure;
+    AutoRegEntry* entry = (AutoRegEntry*) aData;
+
+    const char* extraData = entry->GetOptionalData();
+    const char *fmt;
+    if (extraData)
+        fmt = "%s,%lld,%s\n";
+    else
+        fmt = "%s,%lld\n";
+    PR_fprintf(fd, fmt, entry->GetName().get(), entry->GetDate(), extraData);
+
+    return PR_TRUE;
+}
+
+nsresult
+nsComponentManagerImpl::WritePersistentRegistry()
+{
+    if (!mRegistryFile)
+        return NS_ERROR_FAILURE;  // this should have been set by Init().
+
+    nsCOMPtr<nsIFile> file;
+    mRegistryFile->Clone(getter_AddRefs(file));
+    if (!file)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    nsCOMPtr<nsILocalFile> localFile(do_QueryInterface(file));
+
+    nsCAutoString originalLeafName;
+    localFile->GetNativeLeafName(originalLeafName);
+
+    nsCAutoString leafName;
+    leafName.Assign(originalLeafName + NS_LITERAL_CSTRING(".tmp"));
+
+    localFile->SetNativeLeafName(leafName);
+
+    PRFileDesc* fd = nsnull;
+    nsresult rv = localFile->OpenNSPRFileDesc(PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE, 0600, &fd);
+    if (NS_FAILED(rv))
+        return rv;
+
+    if (PR_fprintf(fd, "Generated File. Do not edit.\n") == (PRUint32) -1) {
+        rv = NS_ERROR_UNEXPECTED;
+        goto out;
+    }
+
+    if (PR_fprintf(fd, "\n[HEADER]\nVersion,%d,%d\n",
+                   PERSISTENT_REGISTRY_VERSION_MAJOR,
+                   PERSISTENT_REGISTRY_VERSION_MINOR) == (PRUint32) -1) {
+        rv = NS_ERROR_UNEXPECTED;
+        goto out;
+    }
+
+    if (PR_fprintf(fd, "\n[COMPONENTS]\n") == (PRUint32) -1) {
+        rv = NS_ERROR_UNEXPECTED;
+        goto out;
+    }
+
+    mAutoRegEntries.Enumerate(AutoRegEntryWriter, (void*)fd);
+
+    PersistentWriterArgs args;
+    args.mFD = fd;
+    args.mLoaderData = mLoaderData;
+
+    if (PR_fprintf(fd, "\n[CLASSIDS]\n") == (PRUint32) -1) {
+        rv = NS_ERROR_UNEXPECTED;
+        goto out;
+    }
+
+
+    PL_DHashTableEnumerate(&mFactories, ClassIDWriter, (void*)&args);
+
+    if (PR_fprintf(fd, "\n[CONTRACTIDS]\n") == (PRUint32) -1) {
+        rv = NS_ERROR_UNEXPECTED;
+        goto out;
+    }
+
+
+    PL_DHashTableEnumerate(&mContractIDs, ContractIDWriter, (void*)&args);
+
+    if (PR_fprintf(fd, "\n[CATEGORIES]\n") == (PRUint32) -1) {
+        rv = NS_ERROR_UNEXPECTED;
+        goto out;
+    }
+
+
+    if (!mCategoryManager) {
+        NS_WARNING("Could not access category manager.  Will not be able to save categories!");
+        rv = NS_ERROR_UNEXPECTED;
+    } else {
+        rv = mCategoryManager->WriteCategoryManagerToRegistry(fd);
+    }
+
+out:
+    if (fd)
+        PR_Close(fd);
+
+    // don't create the file is there was a problem????
+    NS_ENSURE_SUCCESS(rv, rv);
+
+    if (!mRegistryFile)
+        return NS_ERROR_NOT_INITIALIZED;
+
+    PRBool exists;
+    if(NS_FAILED(mRegistryFile->Exists(&exists)))
+        return PR_FALSE;
+
+    if(exists && NS_FAILED(mRegistryFile->Remove(PR_FALSE)))
+        return PR_FALSE;
+
+    nsCOMPtr<nsIFile> parent;
+    mRegistryFile->GetParent(getter_AddRefs(parent));
+
+    rv = localFile->MoveToNative(parent, originalLeafName);
+    mRegistryDirty = PR_FALSE;
+
+    return rv;
+}
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Hash Functions
+////////////////////////////////////////////////////////////////////////////////
+nsresult
+nsComponentManagerImpl::HashContractID(const char *aContractID,
+                                       PRUint32 aContractIDLen,
+                                       nsFactoryEntry *fe)
+{
+    if(!aContractID || !aContractIDLen)
+        return NS_ERROR_NULL_POINTER;
+
+    nsAutoMonitor mon(mMon);
+
+    nsContractIDTableEntry* contractIDTableEntry =
+        NS_STATIC_CAST(nsContractIDTableEntry*,
+                       PL_DHashTableOperate(&mContractIDs, aContractID,
+                                            PL_DHASH_ADD));
+    if (!contractIDTableEntry)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    NS_ASSERTION(!contractIDTableEntry->mContractID || !strcmp(contractIDTableEntry->mContractID, aContractID), "contractid conflict");
+
+    if (!contractIDTableEntry->mContractID) {
+        contractIDTableEntry->mContractID = ArenaStrndup(aContractID, aContractIDLen, &mArena);
+        contractIDTableEntry->mContractIDLen = aContractIDLen;
+    }
+
+    contractIDTableEntry->mFactoryEntry = fe;
+
+    return NS_OK;
+}
+
+/**
+ * LoadFactory()
+ *
+ * Given a FactoryEntry, this loads the dll if it has to, find the NSGetFactory
+ * symbol, calls the routine to create a new factory and returns it to the
+ * caller.
+ *
+ * No attempt is made to store the factory in any form anywhere.
+ */
+nsresult
+nsComponentManagerImpl::LoadFactory(nsFactoryEntry *aEntry,
+                                    nsIFactory **aFactory)
+{
+
+    if (!aFactory)
+        return NS_ERROR_NULL_POINTER;
+    *aFactory = nsnull;
+
+    nsresult rv;
+    rv = aEntry->GetFactory(aFactory, this);
+    if (NS_FAILED(rv)) {
+        PR_LOG(nsComponentManagerLog, PR_LOG_ERROR,
+               ("nsComponentManager: FAILED to load factory from %s (%s)\n",
+                (const char *)aEntry->mLocation, mLoaderData[aEntry->mTypeIndex].type));
+        return rv;
+    }
+
+    return NS_OK;
+}
+
+nsFactoryEntry *
+nsComponentManagerImpl::GetFactoryEntry(const char *aContractID,
+                                        PRUint32 aContractIDLen)
+{
+    nsFactoryEntry *fe = nsnull;
+    {
+        nsAutoMonitor mon(mMon);
+
+        nsContractIDTableEntry* contractIDTableEntry =
+            NS_STATIC_CAST(nsContractIDTableEntry*,
+                           PL_DHashTableOperate(&mContractIDs, aContractID,
+                                                PL_DHASH_LOOKUP));
+
+
+        if (PL_DHASH_ENTRY_IS_BUSY(contractIDTableEntry)) {
+            fe = contractIDTableEntry->mFactoryEntry;
+        }
+    }   //exit monitor
+
+    return fe;
+}
+
+
+nsFactoryEntry *
+nsComponentManagerImpl::GetFactoryEntry(const nsCID &aClass)
+{
+    nsFactoryEntry *entry = nsnull;
+    {
+        nsAutoMonitor mon(mMon);
+
+        nsFactoryTableEntry* factoryTableEntry =
+            NS_STATIC_CAST(nsFactoryTableEntry*,
+                           PL_DHashTableOperate(&mFactories, &aClass,
+                                                PL_DHASH_LOOKUP));
+
+        if (PL_DHASH_ENTRY_IS_BUSY(factoryTableEntry)) {
+            entry = factoryTableEntry->mFactoryEntry;
+        }
+    }   // exit monitor
+
+    return entry;
+}
+
+
+/**
+ * FindFactory()
+ *
+ * Given a classID, this finds the factory for this CID by first searching the
+ * local CID<->factory mapping. Next it searches for a Dll that implements
+ * this classID and calls LoadFactory() to create the factory.
+ *
+ * Again, no attempt is made at storing the factory.
+ */
+nsresult
+nsComponentManagerImpl::FindFactory(const nsCID &aClass,
+                                    nsIFactory **aFactory)
+{
+    PR_ASSERT(aFactory != nsnull);
+
+    nsFactoryEntry *entry = GetFactoryEntry(aClass);
+
+    if (!entry)
+        return NS_ERROR_FACTORY_NOT_REGISTERED;
+
+    return entry->GetFactory(aFactory, this);
+}
+
+
+nsresult
+nsComponentManagerImpl::FindFactory(const char *contractID,
+                                    PRUint32 aContractIDLen,
+                                    nsIFactory **aFactory)
+{
+    PR_ASSERT(aFactory != nsnull);
+
+    nsFactoryEntry *entry = GetFactoryEntry(contractID, aContractIDLen);
+
+    if (!entry)
+        return NS_ERROR_FACTORY_NOT_REGISTERED;
+
+    return entry->GetFactory(aFactory, this);
+}
+
+/**
+ * GetClassObject()
+ *
+ * Given a classID, this finds the singleton ClassObject that implements the CID.
+ * Returns an interface of type aIID off the singleton classobject.
+ */
+nsresult
+nsComponentManagerImpl::GetClassObject(const nsCID &aClass, const nsIID &aIID,
+                                       void **aResult)
+{
+    nsresult rv;
+
+    nsCOMPtr<nsIFactory> factory;
+
+#ifdef PR_LOGGING
+    if (PR_LOG_TEST(nsComponentManagerLog, PR_LOG_DEBUG))
+    {
+        char *buf = aClass.ToString();
+        PR_LogPrint("nsComponentManager: GetClassObject(%s)", buf);
+        if (buf)
+            PR_Free(buf);
+    }
+#endif
+
+    PR_ASSERT(aResult != nsnull);
+
+    rv = FindFactory(aClass, getter_AddRefs(factory));
+    if (NS_FAILED(rv)) return rv;
+
+    rv = factory->QueryInterface(aIID, aResult);
+
+    PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+           ("\t\tGetClassObject() %s", NS_SUCCEEDED(rv) ? "succeeded" : "FAILED"));
+
+    return rv;
+}
+
+
+nsresult
+nsComponentManagerImpl::GetClassObjectByContractID(const char *contractID,
+                                                   const nsIID &aIID,
+                                                   void **aResult)
+{
+    nsresult rv;
+
+    nsCOMPtr<nsIFactory> factory;
+
+#ifdef PR_LOGGING
+    if (PR_LOG_TEST(nsComponentManagerLog, PR_LOG_DEBUG))
+    {
+        PR_LogPrint("nsComponentManager: GetClassObject(%s)", contractID);
+    }
+#endif
+
+    PR_ASSERT(aResult != nsnull);
+
+    rv = FindFactory(contractID, strlen(contractID), getter_AddRefs(factory));
+    if (NS_FAILED(rv)) return rv;
+
+    rv = factory->QueryInterface(aIID, aResult);
+
+    PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+           ("\t\tGetClassObject() %s", NS_SUCCEEDED(rv) ? "succeeded" : "FAILED"));
+
+    return rv;
+}
+
+/**
+ * ContractIDToClassID()
+ *
+ * Mapping function from a ContractID to a classID. Directly talks to the registry.
+ *
+ */
+nsresult
+nsComponentManagerImpl::ContractIDToClassID(const char *aContractID, nsCID *aClass)
+{
+    NS_PRECONDITION(aContractID != nsnull, "null ptr");
+    if (!aContractID)
+        return NS_ERROR_NULL_POINTER;
+
+    NS_PRECONDITION(aClass != nsnull, "null ptr");
+    if (!aClass)
+        return NS_ERROR_NULL_POINTER;
+
+    nsresult rv = NS_ERROR_FACTORY_NOT_REGISTERED;
+
+    nsFactoryEntry *fe = GetFactoryEntry(aContractID, strlen(aContractID));
+    if (fe) {
+        *aClass = fe->mCid;
+        rv = NS_OK;
+    }
+#ifdef PR_LOGGING
+    if (PR_LOG_TEST(nsComponentManagerLog, PR_LOG_WARNING)) {
+        char *buf = 0;
+        if (NS_SUCCEEDED(rv))
+            buf = aClass->ToString();
+        PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+               ("nsComponentManager: ContractIDToClassID(%s)->%s", aContractID,
+                NS_SUCCEEDED(rv) ? buf : "[FAILED]"));
+        if (buf)
+            PR_Free(buf);
+    }
+#endif
+    return rv;
+}
+
+/**
+ * CLSIDToContractID()
+ *
+ * Translates a classID to a {ContractID, Class Name}. Does direct registry
+ * access to do the translation.
+ *
+ * NOTE: Since this isn't heavily used, we arent caching this.
+ */
+nsresult
+nsComponentManagerImpl::CLSIDToContractID(const nsCID &aClass,
+                                          char* *aClassName,
+                                          char* *aContractID)
+{
+    NS_WARNING("Need to implement CLSIDToContractID");
+
+    nsresult rv = NS_ERROR_FACTORY_NOT_REGISTERED;
+#ifdef PR_LOGGING
+    if (PR_LOG_TEST(nsComponentManagerLog, PR_LOG_WARNING))
+    {
+        char *buf = aClass.ToString();
+        PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+               ("nsComponentManager: CLSIDToContractID(%s)->%s", buf,
+                NS_SUCCEEDED(rv) ? *aContractID : "[FAILED]"));
+        if (buf)
+            PR_Free(buf);
+    }
+#endif
+    return rv;
+}
+
+#ifdef XPCOM_CHECK_PENDING_CIDS
+
+// This method must be called from within the mMon monitor
+nsresult
+nsComponentManagerImpl::AddPendingCID(const nsCID &aClass)
+{
+    int max = mPendingCIDs.Count();
+    for (int index = 0; index < max; index++)
+    {
+        nsCID *cidp = (nsCID*) mPendingCIDs.ElementAt(index);
+        NS_ASSERTION(cidp, "Bad CID in pending list");
+        if (cidp->Equals(aClass)) {
+            nsXPIDLCString cid;
+            cid.Adopt(aClass.ToString());
+            nsCAutoString message;
+            message = NS_LITERAL_CSTRING("Creation of \"") +
+                      cid + NS_LITERAL_CSTRING("\" in progress (Reentrant GS - see bug 194568)");
+            // Note that you may see this assertion by near-simultaneous
+            // calls to GetService on multiple threads.
+            NS_WARNING(message.get());
+            return NS_ERROR_NOT_AVAILABLE;
+        }
+    }
+    mPendingCIDs.AppendElement((void*)&aClass);
+    return NS_OK;
+}
+
+// This method must be called from within the mMon monitor
+void
+nsComponentManagerImpl::RemovePendingCID(const nsCID &aClass)
+{
+    mPendingCIDs.RemoveElement((void*)&aClass);
+}
+#endif
+/**
+ * CreateInstance()
+ *
+ * Create an instance of an object that implements an interface and belongs
+ * to the implementation aClass using the factory. The factory is immediately
+ * released and not held onto for any longer.
+ */
+nsresult
+nsComponentManagerImpl::CreateInstance(const nsCID &aClass,
+                                       nsISupports *aDelegate,
+                                       const nsIID &aIID,
+                                       void **aResult)
+{
+    // test this first, since there's no point in creating a component during
+    // shutdown -- whether it's available or not would depend on the order it
+    // occurs in the list
+    if (gXPCOMShuttingDown) {
+        // When processing shutdown, dont process new GetService() requests
+#ifdef SHOW_DENIED_ON_SHUTDOWN
+        nsXPIDLCString cid, iid;
+        cid.Adopt(aClass.ToString());
+        iid.Adopt(aIID.ToString());
+        fprintf(stderr, "Creating new instance on shutdown. Denied.\n"
+               "         CID: %s\n         IID: %s\n", cid.get(), iid.get());
+#endif /* SHOW_DENIED_ON_SHUTDOWN */
+        return NS_ERROR_UNEXPECTED;
+    }
+
+    if (aResult == nsnull)
+    {
+        return NS_ERROR_NULL_POINTER;
+    }
+    *aResult = nsnull;
+
+    nsFactoryEntry *entry = GetFactoryEntry(aClass);
+
+    if (!entry)
+        return NS_ERROR_FACTORY_NOT_REGISTERED;
+
+#ifdef SHOW_CI_ON_EXISTING_SERVICE
+    if (entry->mServiceObject) {
+        nsXPIDLCString cid;
+        cid.Adopt(aClass.ToString());
+        nsCAutoString message;
+        message = NS_LITERAL_CSTRING("You are calling CreateInstance \"") +
+                  cid + NS_LITERAL_CSTRING("\" when a service for this CID already exists!");
+        NS_ERROR(message.get());
+    }
+#endif
+
+    nsIFactory *factory = nsnull;
+    nsresult rv = entry->GetFactory(&factory, this);
+
+    if (NS_SUCCEEDED(rv))
+    {
+        rv = factory->CreateInstance(aDelegate, aIID, aResult);
+        NS_RELEASE(factory);
+    }
+    else
+    {
+        // Translate error values
+        rv = NS_ERROR_FACTORY_NOT_REGISTERED;
+    }
+
+#ifdef PR_LOGGING
+    if (PR_LOG_TEST(nsComponentManagerLog, PR_LOG_WARNING))
+    {
+        char *buf = aClass.ToString();
+        PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+               ("nsComponentManager: CreateInstance(%s) %s", buf,
+                NS_SUCCEEDED(rv) ? "succeeded" : "FAILED"));
+        if (buf)
+            PR_Free(buf);
+    }
+#endif
+
+    return rv;
+}
+
+/**
+ * CreateInstanceByContractID()
+ *
+ * A variant of CreateInstance() that creates an instance of the object that
+ * implements the interface aIID and whose implementation has a contractID aContractID.
+ *
+ * This is only a convenience routine that turns around can calls the
+ * CreateInstance() with classid and iid.
+ */
+nsresult
+nsComponentManagerImpl::CreateInstanceByContractID(const char *aContractID,
+                                                   nsISupports *aDelegate,
+                                                   const nsIID &aIID,
+                                                   void **aResult)
+{
+    // test this first, since there's no point in creating a component during
+    // shutdown -- whether it's available or not would depend on the order it
+    // occurs in the list
+    if (gXPCOMShuttingDown) {
+        // When processing shutdown, dont process new GetService() requests
+#ifdef SHOW_DENIED_ON_SHUTDOWN
+        nsXPIDLCString iid;
+        iid.Adopt(aIID.ToString());
+        fprintf(stderr, "Creating new instance on shutdown. Denied.\n"
+               "  ContractID: %s\n         IID: %s\n", aContractID, iid.get());
+#endif /* SHOW_DENIED_ON_SHUTDOWN */
+        return NS_ERROR_UNEXPECTED;
+    }
+
+    if (aResult == nsnull)
+    {
+        return NS_ERROR_NULL_POINTER;
+    }
+    *aResult = nsnull;
+
+    nsFactoryEntry *entry = GetFactoryEntry(aContractID, strlen(aContractID));
+
+    if (!entry)
+        return NS_ERROR_FACTORY_NOT_REGISTERED;
+
+#ifdef SHOW_CI_ON_EXISTING_SERVICE
+    if (entry->mServiceObject) {
+        nsCAutoString message;
+        message =
+          NS_LITERAL_CSTRING("You are calling CreateInstance \"") +
+          nsDependentCString(aContractID) +
+          NS_LITERAL_CSTRING("\" when a service for this CID already exists! "
+            "Add it to abusedContracts to track down the service consumer.");
+        NS_ERROR(message.get());
+    }
+#endif
+
+    nsIFactory *factory = nsnull;
+    nsresult rv = entry->GetFactory(&factory, this);
+
+    if (NS_SUCCEEDED(rv))
+    {
+
+        rv = factory->CreateInstance(aDelegate, aIID, aResult);
+        NS_RELEASE(factory);
+    }
+    else
+    {
+        // Translate error values
+        if (rv != NS_ERROR_SOCKET_FAIL)
+            rv = NS_ERROR_FACTORY_NOT_REGISTERED;
+    }
+
+    PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+           ("nsComponentManager: CreateInstanceByContractID(%s) %s", aContractID,
+            NS_SUCCEEDED(rv) ? "succeeded" : "FAILED"));
+
+    return rv;
+}
+
+// Service Manager Impl
+static
+PLDHashOperator PR_CALLBACK
+FreeServiceFactoryEntryEnumerate(PLDHashTable *aTable,
+                                 PLDHashEntryHdr *aHdr,
+                                 PRUint32 aNumber,
+                                 void *aData)
+{
+    nsFactoryTableEntry* entry = NS_STATIC_CAST(nsFactoryTableEntry*, aHdr);
+
+    if (!entry->mFactoryEntry)
+        return PL_DHASH_NEXT;
+
+    nsFactoryEntry* factoryEntry = entry->mFactoryEntry;
+    factoryEntry->mServiceObject = nsnull;
+    return PL_DHASH_NEXT;
+}
+
+static
+PLDHashOperator PR_CALLBACK
+FreeServiceContractIDEntryEnumerate(PLDHashTable *aTable,
+                                    PLDHashEntryHdr *aHdr,
+                                    PRUint32 aNumber,
+                                    void *aData)
+{
+    nsContractIDTableEntry* entry = NS_STATIC_CAST(nsContractIDTableEntry*, aHdr);
+
+    if (!entry->mFactoryEntry)
+        return PL_DHASH_NEXT;
+
+    nsFactoryEntry* factoryEntry = entry->mFactoryEntry;
+    factoryEntry->mServiceObject = nsnull;
+    return PL_DHASH_NEXT;
+}
+
+nsresult
+nsComponentManagerImpl::FreeServices()
+{
+    NS_ASSERTION(gXPCOMShuttingDown, "Must be shutting down in order to free all services");
+
+    if (!gXPCOMShuttingDown)
+        return NS_ERROR_FAILURE;
+
+    if (mContractIDs.ops) {
+        PL_DHashTableEnumerate(&mContractIDs, FreeServiceContractIDEntryEnumerate, nsnull);
+    }
+
+
+    if (mFactories.ops) {
+        PL_DHashTableEnumerate(&mFactories, FreeServiceFactoryEntryEnumerate, nsnull);
+    }
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::GetService(const nsCID& aClass,
+                                   const nsIID& aIID,
+                                   void* *result)
+{
+    // test this first, since there's no point in returning a service during
+    // shutdown -- whether it's available or not would depend on the order it
+    // occurs in the list
+    if (gXPCOMShuttingDown) {
+        // When processing shutdown, dont process new GetService() requests
+#ifdef SHOW_DENIED_ON_SHUTDOWN
+        nsXPIDLCString cid, iid;
+        cid.Adopt(aClass.ToString());
+        iid.Adopt(aIID.ToString());
+        fprintf(stderr, "Getting service on shutdown. Denied.\n"
+               "         CID: %s\n         IID: %s\n", cid.get(), iid.get());
+#endif /* SHOW_DENIED_ON_SHUTDOWN */
+        return NS_ERROR_UNEXPECTED;
+    }
+
+    nsAutoMonitor mon(mMon);
+
+    nsresult rv = NS_OK;
+    nsIDKey key(aClass);
+    nsFactoryEntry* entry = nsnull;
+    nsFactoryTableEntry* factoryTableEntry =
+        NS_STATIC_CAST(nsFactoryTableEntry*,
+                       PL_DHashTableOperate(&mFactories, &aClass,
+                                            PL_DHASH_LOOKUP));
+
+    if (PL_DHASH_ENTRY_IS_BUSY(factoryTableEntry)) {
+        entry = factoryTableEntry->mFactoryEntry;
+    }
+
+    if (entry && entry->mServiceObject) {
+        return entry->mServiceObject->QueryInterface(aIID, result);
+    }
+
+#ifdef XPCOM_CHECK_PENDING_CIDS
+    rv = AddPendingCID(aClass);
+    if (NS_FAILED(rv))
+        return rv; // NOP_AND_BREAK
+#endif
+    nsCOMPtr<nsISupports> service;
+    // We need to not be holding the service manager's monitor while calling
+    // CreateInstance, because it invokes user code which could try to re-enter
+    // the service manager:
+    mon.Exit();
+
+    rv = CreateInstance(aClass, nsnull, aIID, getter_AddRefs(service));
+
+    mon.Enter();
+
+#ifdef XPCOM_CHECK_PENDING_CIDS
+    RemovePendingCID(aClass);
+#endif
+
+    if (NS_FAILED(rv))
+        return rv;
+
+    if (!entry) { // second hash lookup for GetService
+        nsFactoryTableEntry* factoryTableEntry =
+            NS_STATIC_CAST(nsFactoryTableEntry*,
+                           PL_DHashTableOperate(&mFactories, &aClass,
+                                                PL_DHASH_LOOKUP));
+        if (PL_DHASH_ENTRY_IS_BUSY(factoryTableEntry)) {
+            entry = factoryTableEntry->mFactoryEntry;
+        }
+        NS_ASSERTION(entry, "we should have a factory entry since CI succeeded - we should not get here");
+        if (!entry) return NS_ERROR_FAILURE;
+    }
+
+    entry->mServiceObject = service;
+    *result = service.get();
+    NS_ADDREF(NS_STATIC_CAST(nsISupports*, (*result)));
+    return rv;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::RegisterService(const nsCID& aClass, nsISupports* aService)
+{
+    nsAutoMonitor mon(mMon);
+
+    // check to see if we have a factory entry for the service
+    nsFactoryEntry *entry = GetFactoryEntry(aClass);
+
+    if (!entry) { // XXXdougt - should we require that all services register factories??  probably not.
+        void *mem;
+        PL_ARENA_ALLOCATE(mem, &mArena, sizeof(nsFactoryEntry));
+        if (!mem)
+            return NS_ERROR_OUT_OF_MEMORY;
+        entry = new (mem) nsFactoryEntry(aClass, nsnull);
+
+        entry->mTypeIndex = NS_COMPONENT_TYPE_SERVICE_ONLY;
+        nsFactoryTableEntry* factoryTableEntry =
+            NS_STATIC_CAST(nsFactoryTableEntry*,
+                           PL_DHashTableOperate(&mFactories, &aClass,
+                                                PL_DHASH_ADD));
+        if (!factoryTableEntry)
+            return NS_ERROR_OUT_OF_MEMORY;
+
+        factoryTableEntry->mFactoryEntry = entry;
+    }
+    else {
+        if (entry->mServiceObject)
+            return NS_ERROR_FAILURE;
+    }
+
+    entry->mServiceObject = aService;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::UnregisterService(const nsCID& aClass)
+{
+    nsresult rv = NS_OK;
+
+    nsFactoryEntry* entry = nsnull;
+
+    nsAutoMonitor mon(mMon);
+
+    nsFactoryTableEntry* factoryTableEntry =
+        NS_STATIC_CAST(nsFactoryTableEntry*,
+                       PL_DHashTableOperate(&mFactories, &aClass,
+                                            PL_DHASH_LOOKUP));
+
+    if (PL_DHASH_ENTRY_IS_BUSY(factoryTableEntry)) {
+        entry = factoryTableEntry->mFactoryEntry;
+    }
+
+    if (!entry || !entry->mServiceObject)
+        return NS_ERROR_SERVICE_NOT_AVAILABLE;
+
+    entry->mServiceObject = nsnull;
+    return rv;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::RegisterService(const char* aContractID, nsISupports* aService)
+{
+
+    nsAutoMonitor mon(mMon);
+
+    // check to see if we have a factory entry for the service
+    PRUint32 contractIDLen = strlen(aContractID);
+    nsFactoryEntry *entry = GetFactoryEntry(aContractID, contractIDLen);
+
+    if (!entry) { // XXXdougt - should we require that all services register factories??  probably not.
+        void *mem;
+        PL_ARENA_ALLOCATE(mem, &mArena, sizeof(nsFactoryEntry));
+        if (!mem)
+            return NS_ERROR_OUT_OF_MEMORY;
+        entry = new (mem) nsFactoryEntry(kEmptyCID, nsnull);
+
+        entry->mTypeIndex = NS_COMPONENT_TYPE_SERVICE_ONLY;
+
+        nsContractIDTableEntry* contractIDTableEntry =
+            NS_STATIC_CAST(nsContractIDTableEntry*,
+                           PL_DHashTableOperate(&mContractIDs, aContractID,
+                                                PL_DHASH_ADD));
+        if (!contractIDTableEntry) {
+            delete entry;
+            return NS_ERROR_OUT_OF_MEMORY;
+        }
+
+        if (!contractIDTableEntry->mContractID) {
+            contractIDTableEntry->mContractID =
+                ArenaStrndup(aContractID, contractIDLen, &mArena);
+
+            contractIDTableEntry->mContractIDLen = contractIDLen;
+        }
+
+        contractIDTableEntry->mFactoryEntry = entry;
+    }
+    else {
+        if (entry->mServiceObject)
+            return NS_ERROR_FAILURE;
+    }
+
+    entry->mServiceObject = aService;
+    return NS_OK;
+}
+
+
+NS_IMETHODIMP
+nsComponentManagerImpl::IsServiceInstantiated(const nsCID & aClass,
+                                              const nsIID& aIID,
+                                              PRBool *result)
+{
+    // Now we want to get the service if we already got it. If not, we dont want
+    // to create an instance of it. mmh!
+
+    // test this first, since there's no point in returning a service during
+    // shutdown -- whether it's available or not would depend on the order it
+    // occurs in the list
+    if (gXPCOMShuttingDown) {
+        // When processing shutdown, dont process new GetService() requests
+#ifdef SHOW_DENIED_ON_SHUTDOWN
+        nsXPIDLCString cid, iid;
+        cid.Adopt(aClass.ToString());
+        iid.Adopt(aIID.ToString());
+        fprintf(stderr, "Checking for service on shutdown. Denied.\n"
+               "         CID: %s\n         IID: %s\n", cid.get(), iid.get());
+#endif /* SHOW_DENIED_ON_SHUTDOWN */
+        return NS_ERROR_UNEXPECTED;
+    }
+
+    nsresult rv = NS_ERROR_SERVICE_NOT_AVAILABLE;
+    nsFactoryEntry* entry = nsnull;
+    nsFactoryTableEntry* factoryTableEntry =
+        NS_STATIC_CAST(nsFactoryTableEntry*,
+                       PL_DHashTableOperate(&mFactories, &aClass,
+                                            PL_DHASH_LOOKUP));
+
+    if (PL_DHASH_ENTRY_IS_BUSY(factoryTableEntry)) {
+        entry = factoryTableEntry->mFactoryEntry;
+    }
+
+    if (entry && entry->mServiceObject) {
+        nsCOMPtr<nsISupports> service;
+        rv = entry->mServiceObject->QueryInterface(aIID, getter_AddRefs(service));
+        *result = (service!=nsnull);
+    }
+    return rv;
+
+}
+
+NS_IMETHODIMP nsComponentManagerImpl::IsServiceInstantiatedByContractID(const char *aContractID,
+                                                                        const nsIID& aIID,
+                                                                        PRBool *result)
+{
+    // Now we want to get the service if we already got it. If not, we dont want
+    // to create an instance of it. mmh!
+
+    // test this first, since there's no point in returning a service during
+    // shutdown -- whether it's available or not would depend on the order it
+    // occurs in the list
+    if (gXPCOMShuttingDown) {
+        // When processing shutdown, dont process new GetService() requests
+#ifdef SHOW_DENIED_ON_SHUTDOWN
+        nsXPIDLCString iid;
+        iid.Adopt(aIID.ToString());
+        fprintf(stderr, "Checking for service on shutdown. Denied.\n"
+               "  ContractID: %s\n         IID: %s\n", aContractID, iid.get());
+#endif /* SHOW_DENIED_ON_SHUTDOWN */
+        return NS_ERROR_UNEXPECTED;
+    }
+
+    nsresult rv = NS_ERROR_SERVICE_NOT_AVAILABLE;
+    nsFactoryEntry *entry = nsnull;
+    {
+        nsAutoMonitor mon(mMon);
+
+        nsContractIDTableEntry* contractIDTableEntry =
+            NS_STATIC_CAST(nsContractIDTableEntry*,
+                           PL_DHashTableOperate(&mContractIDs, aContractID,
+                                                PL_DHASH_LOOKUP));
+
+        if (PL_DHASH_ENTRY_IS_BUSY(contractIDTableEntry)) {
+            entry = contractIDTableEntry->mFactoryEntry;
+        }
+    }   // exit monitor
+
+    if (entry && entry->mServiceObject) {
+        nsCOMPtr<nsISupports> service;
+        rv = entry->mServiceObject->QueryInterface(aIID, getter_AddRefs(service));
+        *result = (service!=nsnull);
+    }
+    return rv;
+}
+
+
+NS_IMETHODIMP
+nsComponentManagerImpl::UnregisterService(const char* aContractID)
+{
+    nsresult rv = NS_OK;
+
+    nsAutoMonitor mon(mMon);
+
+    nsFactoryEntry *entry = nsnull;
+    nsContractIDTableEntry* contractIDTableEntry =
+       NS_STATIC_CAST(nsContractIDTableEntry*,
+                      PL_DHashTableOperate(&mContractIDs, aContractID,
+                                           PL_DHASH_LOOKUP));
+
+   if (PL_DHASH_ENTRY_IS_BUSY(contractIDTableEntry)) {
+       entry = contractIDTableEntry->mFactoryEntry;
+   }
+
+   if (!entry || !entry->mServiceObject)
+        return NS_ERROR_SERVICE_NOT_AVAILABLE;
+
+   entry->mServiceObject = nsnull;
+   return rv;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::GetServiceByContractID(const char* aContractID,
+                                               const nsIID& aIID,
+                                               void* *result)
+{
+    // test this first, since there's no point in returning a service during
+    // shutdown -- whether it's available or not would depend on the order it
+    // occurs in the list
+    if (gXPCOMShuttingDown) {
+        // When processing shutdown, dont process new GetService() requests
+#ifdef SHOW_DENIED_ON_SHUTDOWN
+        nsXPIDLCString iid;
+        iid.Adopt(aIID.ToString());
+        fprintf(stderr, "Getting service on shutdown. Denied.\n"
+               "  ContractID: %s\n         IID: %s\n", aContractID, iid.get());
+#endif /* SHOW_DENIED_ON_SHUTDOWN */
+        return NS_ERROR_UNEXPECTED;
+    }
+
+    nsAutoMonitor mon(mMon);
+
+    nsresult rv = NS_OK;
+    nsFactoryEntry *entry = nsnull;
+    nsContractIDTableEntry* contractIDTableEntry =
+        NS_STATIC_CAST(nsContractIDTableEntry*,
+                       PL_DHashTableOperate(&mContractIDs, aContractID,
+                                            PL_DHASH_LOOKUP));
+
+    if (PL_DHASH_ENTRY_IS_BUSY(contractIDTableEntry)) {
+        entry = contractIDTableEntry->mFactoryEntry;
+    }
+
+    if (entry) {
+        if (entry->mServiceObject) {
+            return entry->mServiceObject->QueryInterface(aIID, result);
+        }
+#ifdef XPCOM_CHECK_PENDING_CIDS
+        rv = AddPendingCID(entry->mCid);
+        if (NS_FAILED(rv))
+            return rv; // NOP_AND_BREAK
+#endif
+    }
+
+    nsCOMPtr<nsISupports> service;
+    // We need to not be holding the service manager's monitor while calling
+    // CreateInstance, because it invokes user code which could try to re-enter
+    // the service manager:
+    mon.Exit();
+
+    rv = CreateInstanceByContractID(aContractID, nsnull, aIID, getter_AddRefs(service));
+
+    mon.Enter();
+
+#ifdef XPCOM_CHECK_PENDING_CIDS
+    if (entry)
+        RemovePendingCID(entry->mCid);
+#endif
+
+    if (NS_FAILED(rv))
+        return rv;
+
+    if (!entry) { // second hash lookup for GetService
+        nsContractIDTableEntry* contractIDTableEntry =
+            NS_STATIC_CAST(nsContractIDTableEntry*,
+                           PL_DHashTableOperate(&mContractIDs, aContractID,
+                                                PL_DHASH_LOOKUP));
+
+        if (PL_DHASH_ENTRY_IS_BUSY(contractIDTableEntry)) {
+            entry = contractIDTableEntry->mFactoryEntry;
+        }
+        NS_ASSERTION(entry, "we should have a factory entry since CI succeeded - we should not get here");
+        if (!entry) return NS_ERROR_FAILURE;
+    }
+
+    entry->mServiceObject = service;
+    *result = service.get();
+    NS_ADDREF(NS_STATIC_CAST(nsISupports*, *result));
+    return rv;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::GetService(const nsCID& aClass, const nsIID& aIID,
+                                     nsISupports* *result,
+                                     nsIShutdownListener* shutdownListener)
+{
+    return GetService(aClass, aIID, (void**)result);
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::GetService(const char* aContractID, const nsIID& aIID,
+                                     nsISupports* *result,
+                                     nsIShutdownListener* shutdownListener)
+{
+    return GetServiceByContractID(aContractID, aIID, (void**)result);
+}
+
+
+NS_IMETHODIMP
+nsComponentManagerImpl::ReleaseService(const nsCID& aClass, nsISupports* service,
+                                         nsIShutdownListener* shutdownListener)
+{
+    NS_IF_RELEASE(service);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::ReleaseService(const char* aContractID, nsISupports* service,
+                                       nsIShutdownListener* shutdownListener)
+{
+    NS_IF_RELEASE(service);
+    return NS_OK;
+}
+
+/*
+ * I want an efficient way to allocate a buffer to the right size
+ * and stick the prefix and dllName in, then be able to hand that buffer
+ * off to the FactoryEntry.  Is that so wrong?
+ *
+ * *regName is allocated on success.
+ *
+ * This should live in nsNativeComponentLoader.cpp, I think.
+ */
+static nsresult
+MakeRegistryName(const char *aDllName, const char *prefix, char **regName)
+{
+    char *registryName;
+
+    PRUint32 len = strlen(prefix);
+
+    PRUint32 registryNameLen = strlen(aDllName) + len;
+    registryName = (char *)nsMemory::Alloc(registryNameLen + 1);
+
+    // from here on it, we want len sans terminating NUL
+
+    if (!registryName)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    memcpy(registryName, prefix, len);
+    strcpy(registryName + len, aDllName);
+    registryName[registryNameLen] = '\0';
+    *regName = registryName;
+
+#ifdef DEBUG_shaver_off
+    fprintf(stderr, "MakeRegistryName(%s, %s, &[%s])\n",
+            aDllName, prefix, *regName);
+#endif
+
+    return NS_OK;
+}
+
+nsresult
+nsComponentManagerImpl::RegistryLocationForSpec(nsIFile *aSpec,
+                                                char **aRegistryName)
+{
+    nsresult rv;
+
+    if (!mComponentsDir)
+        return NS_ERROR_NOT_INITIALIZED;
+
+    if (!aSpec) {
+        *aRegistryName = PL_strdup("");
+        return NS_OK;
+    }
+
+
+    // First check to see if this component is in the application
+    // components directory
+    PRBool containedIn;
+    mComponentsDir->Contains(aSpec, PR_TRUE, &containedIn);
+
+    nsCAutoString nativePathString;
+
+    if (containedIn){
+        rv = aSpec->GetNativePath(nativePathString);
+        if (NS_FAILED(rv))
+            return rv;
+
+        const char* relativeLocation = nativePathString.get() + mComponentsOffset + 1;
+        return MakeRegistryName(relativeLocation, XPCOM_RELCOMPONENT_PREFIX, aRegistryName);
+    }
+
+    // Next check to see if this component is in the GRE
+    // components directory
+
+    mGREComponentsDir->Contains(aSpec, PR_TRUE, &containedIn);
+
+    if (containedIn){
+        rv = aSpec->GetNativePath(nativePathString);
+        if (NS_FAILED(rv))
+            return rv;
+
+        const char* relativeLocation = nativePathString.get() + mGREComponentsOffset + 1;
+        return MakeRegistryName(relativeLocation, XPCOM_GRECOMPONENT_PREFIX, aRegistryName);
+    }
+
+    /* absolute names include volume info on Mac, so persistent descriptor */
+    rv = aSpec->GetNativePath(nativePathString);
+    if (NS_FAILED(rv))
+        return rv;
+    return MakeRegistryName(nativePathString.get(), XPCOM_ABSCOMPONENT_PREFIX, aRegistryName);
+}
+
+nsresult
+nsComponentManagerImpl::SpecForRegistryLocation(const char *aLocation,
+                                                nsIFile **aSpec)
+{
+    // i18n: assuming aLocation is encoded for the current locale
+
+    nsresult rv;
+    if (!aLocation || !aSpec)
+        return NS_ERROR_NULL_POINTER;
+
+    /* abs:/full/path/to/libcomponent.so */
+    if (!strncmp(aLocation, XPCOM_ABSCOMPONENT_PREFIX, 4)) {
+
+        nsLocalFile* file = new nsLocalFile;
+        if (!file) return NS_ERROR_FAILURE;
+
+        rv = file->InitWithNativePath(nsDependentCString((char *)aLocation + 4));
+        file->QueryInterface(NS_GET_IID(nsILocalFile), (void**)aSpec);
+        return rv;
+    }
+
+    if (!strncmp(aLocation, XPCOM_RELCOMPONENT_PREFIX, 4)) {
+
+        if (!mComponentsDir)
+            return NS_ERROR_NOT_INITIALIZED;
+
+        nsILocalFile* file = nsnull;
+        rv = mComponentsDir->Clone((nsIFile**)&file);
+
+        if (NS_FAILED(rv)) return rv;
+
+        rv = file->AppendRelativeNativePath(nsDependentCString(aLocation + 4));
+        *aSpec = file;
+        return rv;
+    }
+
+    if (!strncmp(aLocation, XPCOM_GRECOMPONENT_PREFIX, 4)) {
+
+        if (!mGREComponentsDir)
+            return NS_ERROR_NOT_INITIALIZED;
+
+        nsILocalFile* file = nsnull;
+        rv = mGREComponentsDir->Clone((nsIFile**)&file);
+
+        if (NS_FAILED(rv)) return rv;
+
+        rv = file->AppendRelativeNativePath(nsDependentCString(aLocation + 4));
+        *aSpec = file;
+        return rv;
+    }
+
+    *aSpec = nsnull;
+    return NS_ERROR_INVALID_ARG;
+}
+
+/**
+ * RegisterFactory()
+ *
+ * Register a factory to be responsible for creation of implementation of
+ * classID aClass. Plus creates as association of aClassName and aContractID
+ * to the classID. If replace is PR_TRUE, we replace any existing registrations
+ * with this one.
+ *
+ * Once registration is complete, we add the class to the factories cache
+ * that we maintain. The factories cache is the ONLY place where these
+ * registrations are ever kept.
+ *
+ * The other RegisterFunctions create a loader mapping and persistent
+ * location, but we just slam it into the cache here.  And we don't call the
+ * loader's OnRegister function, either.
+ */
+nsresult
+nsComponentManagerImpl::RegisterFactory(const nsCID &aClass,
+                                        const char *aClassName,
+                                        const char *aContractID,
+                                        nsIFactory *aFactory,
+                                        PRBool aReplace)
+{
+    nsAutoMonitor mon(mMon);
+#ifdef PR_LOGGING
+    if (PR_LOG_TEST(nsComponentManagerLog, PR_LOG_WARNING))
+    {
+        char *buf = aClass.ToString();
+        PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+               ("nsComponentManager: RegisterFactory(%s, %s)", buf,
+                (aContractID ? aContractID : "(null)")));
+        if (buf)
+            PR_Free(buf);
+    }
+#endif
+    nsFactoryEntry *entry = nsnull;
+    nsFactoryTableEntry* factoryTableEntry = NS_STATIC_CAST(nsFactoryTableEntry*,
+                                                            PL_DHashTableOperate(&mFactories,
+                                                                                 &aClass,
+                                                                                 PL_DHASH_ADD));
+
+    if (!factoryTableEntry)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+
+    if (PL_DHASH_ENTRY_IS_BUSY(factoryTableEntry)) {
+        entry = factoryTableEntry->mFactoryEntry;
+    }
+
+    if (entry && !aReplace)
+    {
+        // Already registered
+        PR_LOG(nsComponentManagerLog, PR_LOG_ERROR,
+               ("\t\tFactory already registered."));
+        return NS_ERROR_FACTORY_EXISTS;
+    }
+
+    void *mem;
+    PL_ARENA_ALLOCATE(mem, &mArena, sizeof(nsFactoryEntry));
+    if (!mem)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    entry = new (mem) nsFactoryEntry(aClass, aFactory, entry);
+
+    if (!entry)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    factoryTableEntry->mFactoryEntry = entry;
+
+    // Update the ContractID->CLSID Map
+    if (aContractID) {
+        nsresult rv = HashContractID(aContractID, strlen(aContractID), entry);
+        if (NS_FAILED(rv)) {
+            PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+                   ("\t\tFactory register succeeded. "
+                    "Hashing contractid (%s) FAILED.", aContractID));
+            return rv;
+        }
+    }
+
+    PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+           ("\t\tFactory register succeeded contractid=%s.",
+            aContractID ? aContractID : "<none>"));
+
+    return NS_OK;
+}
+
+nsresult
+nsComponentManagerImpl::RegisterComponent(const nsCID &aClass,
+                                          const char *aClassName,
+                                          const char *aContractID,
+                                          const char *aPersistentDescriptor,
+                                          PRBool aReplace,
+                                          PRBool aPersist)
+{
+    return RegisterComponentCommon(aClass, aClassName,
+                                   aContractID,
+                                   aContractID ? strlen(aContractID) : 0,
+                                   aPersistentDescriptor,
+                                   aPersistentDescriptor ?
+                                   strlen(aPersistentDescriptor) : 0,
+                                   aReplace, aPersist,
+                                   nativeComponentType);
+}
+
+nsresult
+nsComponentManagerImpl::RegisterComponentWithType(const nsCID &aClass,
+                                                  const char *aClassName,
+                                                  const char *aContractID,
+                                                  nsIFile *aSpec,
+                                                  const char *aLocation,
+                                                  PRBool aReplace,
+                                                  PRBool aPersist,
+                                                  const char *aType)
+{
+    return RegisterComponentCommon(aClass, aClassName,
+                                   aContractID,
+                                   aContractID ? strlen(aContractID) : 0,
+                                   aLocation,
+                                   aLocation ? strlen(aLocation) : 0,
+                                   aReplace, aPersist,
+                                   aType);
+}
+
+/*
+ * Register a component, using whatever they stuck in the nsIFile.
+ */
+nsresult
+nsComponentManagerImpl::RegisterComponentSpec(const nsCID &aClass,
+                                              const char *aClassName,
+                                              const char *aContractID,
+                                              nsIFile *aLibrarySpec,
+                                              PRBool aReplace,
+                                              PRBool aPersist)
+{
+    nsXPIDLCString registryName;
+    nsresult rv = RegistryLocationForSpec(aLibrarySpec, getter_Copies(registryName));
+    if (NS_FAILED(rv))
+        return rv;
+
+    rv = RegisterComponentWithType(aClass, aClassName,
+                                   aContractID,
+                                   aLibrarySpec,
+                                   registryName,
+                                   aReplace, aPersist,
+                                   nativeComponentType);
+    return rv;
+}
+
+nsresult
+nsComponentManagerImpl::RegisterComponentLib(const nsCID &aClass,
+                                             const char *aClassName,
+                                             const char *aContractID,
+                                             const char *aDllName,
+                                             PRBool aReplace,
+                                             PRBool aPersist)
+{
+    // deprecated and obsolete.
+    return NS_ERROR_NOT_IMPLEMENTED;
+}
+
+/*
+ * Add a component to the known universe of components.
+
+ * Once we enter this function, we own aRegistryName, and must free it
+ * or hand it to nsFactoryEntry.  Common exit point ``out'' helps keep us
+ * sane.
+ */
+
+nsresult
+nsComponentManagerImpl::RegisterComponentCommon(const nsCID &aClass,
+                                                const char *aClassName,
+                                                const char *aContractID,
+                                                PRUint32 aContractIDLen,
+                                                const char *aRegistryName,
+                                                PRUint32 aRegistryNameLen,
+                                                PRBool aReplace,
+                                                PRBool aPersist,
+                                                const char *aType)
+{
+    nsIDKey key(aClass);
+    nsAutoMonitor mon(mMon);
+
+    nsFactoryEntry *entry = GetFactoryEntry(aClass);
+
+    // Normalize proid and classname
+    const char *contractID = (aContractID && *aContractID) ? aContractID : nsnull;
+    const char *className = (aClassName && *aClassName) ? aClassName : nsnull;
+#ifdef PR_LOGGING
+    if (PR_LOG_TEST(nsComponentManagerLog, PR_LOG_WARNING))
+    {
+        char *buf = aClass.ToString();
+        PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+               ("nsComponentManager: RegisterComponentCommon(%s, %s, %s, %s)",
+                buf,
+                contractID ? contractID : "(null)",
+                aRegistryName, aType));
+        if (buf)
+            PR_Free(buf);
+    }
+#endif
+    if (entry && !aReplace) {
+        PR_LOG(nsComponentManagerLog, PR_LOG_ERROR,
+               ("\t\tFactory already registered."));
+        return NS_ERROR_FACTORY_EXISTS;
+    }
+
+    int typeIndex = GetLoaderType(aType);
+
+    nsCOMPtr<nsIComponentLoader> loader;
+    nsresult rv = GetLoaderForType(typeIndex, getter_AddRefs(loader));
+    if (NS_FAILED(rv)) {
+        PR_LOG(nsComponentManagerLog, PR_LOG_ERROR,
+               ("\t\tgetting loader for %s FAILED\n", aType));
+        return rv;
+    }
+
+    if (entry) {
+        entry->ReInit(aClass, aRegistryName, typeIndex);
+    }
+    else {
+
+        // Arena allocate the nsFactoryEntry
+        void *mem;
+        PL_ARENA_ALLOCATE(mem, &mArena, sizeof(nsFactoryEntry));
+        if (!mem)
+            return NS_ERROR_OUT_OF_MEMORY;
+
+        mRegistryDirty = PR_TRUE;
+        entry = new (mem) nsFactoryEntry(aClass,
+                                         aRegistryName, aRegistryNameLen,
+                                         typeIndex);
+        if (!entry)
+            return NS_ERROR_OUT_OF_MEMORY;
+
+        nsFactoryTableEntry* factoryTableEntry =
+            NS_STATIC_CAST(nsFactoryTableEntry*,
+                           PL_DHashTableOperate(&mFactories, &aClass,
+                                                PL_DHASH_ADD));
+
+        if (!factoryTableEntry)
+            return NS_ERROR_OUT_OF_MEMORY;
+
+        factoryTableEntry->mFactoryEntry = entry;
+    }
+
+    // Update the ContractID->CLSID Map
+    if (contractID) {
+        rv = HashContractID(contractID, aContractIDLen, entry);
+        if (NS_FAILED(rv)) {
+            PR_LOG(nsComponentManagerLog, PR_LOG_ERROR,
+                   ("\t\tHashContractID(%s) FAILED\n", contractID));
+            return rv;
+        }
+    }
+    return rv;
+}
+
+
+nsresult
+nsComponentManagerImpl::GetLoaderForType(int aType,
+                                         nsIComponentLoader **aLoader)
+{
+    nsresult rv;
+
+    // Make sure we have a valid type
+    if (aType < 0 || aType >= mNLoaderData)
+        return NS_ERROR_INVALID_ARG;
+
+    *aLoader = mLoaderData[aType].loader;
+    if (*aLoader) {
+        NS_ADDREF(*aLoader);
+        return NS_OK;
+    }
+
+    nsCOMPtr<nsIComponentLoader> loader;
+    loader = do_GetServiceFromCategory("component-loader", mLoaderData[aType].type, &rv);
+    if (NS_FAILED(rv))
+        return rv;
+
+    rv = loader->Init(this, nsnull);
+
+    if (NS_SUCCEEDED(rv)) {
+        mLoaderData[aType].loader = loader;
+        NS_ADDREF(mLoaderData[aType].loader);
+        *aLoader = loader;
+        NS_ADDREF(*aLoader);
+    }
+    return rv;
+}
+
+
+
+// Convert a loader type string into an index into the component data
+// array. Empty loader types are converted to NATIVE. Returns -1 if
+// loader type cannot be determined.
+int
+nsComponentManagerImpl::GetLoaderType(const char *typeStr)
+{
+    if (!typeStr || !*typeStr) {
+        // Empty type strings are NATIVE
+        return NS_COMPONENT_TYPE_NATIVE;
+    }
+
+    for (int i=NS_COMPONENT_TYPE_NATIVE; i<mNLoaderData; i++) {
+        if (!strcmp(typeStr, mLoaderData[i].type))
+            return i;
+    }
+    // Not found
+    return NS_COMPONENT_TYPE_FACTORY_ONLY;
+}
+
+// Add a loader type if not already known. Out the typeIndex
+// if the loader type is either added or already there.
+nsresult
+nsComponentManagerImpl::AddLoaderType(const char *typeStr, int *aTypeIndex)
+{
+    int typeIndex = GetLoaderType(typeStr);
+    if (typeIndex >= 0) {
+        *aTypeIndex = typeIndex;
+        return NS_OK;
+    }
+
+    // Add the loader type
+    if (mNLoaderData >= mMaxNLoaderData) {
+        NS_ASSERTION(mNLoaderData == mMaxNLoaderData,
+                     "Memory corruption. nsComponentManagerImpl::mLoaderData array overrun.");
+        // Need to increase our loader array
+        nsLoaderdata *new_mLoaderData = (nsLoaderdata *) PR_Realloc(mLoaderData, (mMaxNLoaderData + NS_LOADER_DATA_ALLOC_STEP) * sizeof(nsLoaderdata));
+        if (!new_mLoaderData)
+            return NS_ERROR_OUT_OF_MEMORY;
+        mLoaderData = new_mLoaderData;
+        mMaxNLoaderData += NS_LOADER_DATA_ALLOC_STEP;
+    }
+
+    typeIndex = mNLoaderData;
+    mLoaderData[typeIndex].type = PL_strdup(typeStr);
+    if (!mLoaderData[typeIndex].type) {
+        // mmh! no memory. return failure.
+        return NS_ERROR_OUT_OF_MEMORY;
+    }
+    mLoaderData[typeIndex].loader = nsnull;
+    mNLoaderData++;
+
+    *aTypeIndex = typeIndex;
+    return NS_OK;
+}
+
+typedef struct
+{
+    const nsCID* cid;
+    const char* regName;
+    nsIFactory* factory;
+} UnregisterConditions;
+
+static PLDHashOperator PR_CALLBACK
+DeleteFoundCIDs(PLDHashTable *aTable,
+                PLDHashEntryHdr *aHdr,
+                PRUint32 aNumber,
+                void *aData)
+{
+    nsContractIDTableEntry* entry = NS_STATIC_CAST(nsContractIDTableEntry*, aHdr);
+
+    if (!entry->mFactoryEntry)
+        return PL_DHASH_NEXT;
+
+    UnregisterConditions* data = (UnregisterConditions*)aData;
+
+    nsFactoryEntry* factoryEntry = entry->mFactoryEntry;
+    if (data->cid->Equals(factoryEntry->mCid) &&
+        ((data->regName && !PL_strcasecmp(factoryEntry->mLocation, data->regName)) ||
+         (data->factory && data->factory == factoryEntry->mFactory.get())))
+        return PL_DHASH_REMOVE;
+
+    return PL_DHASH_NEXT;
+}
+
+void
+nsComponentManagerImpl::DeleteContractIDEntriesByCID(const nsCID* aClass, const char*registryName)
+{
+    UnregisterConditions aData;
+    aData.cid     = aClass;
+    aData.regName = registryName;
+    aData.factory = nsnull;
+    PL_DHashTableEnumerate(&mContractIDs, DeleteFoundCIDs, (void*)&aData);
+
+}
+
+void
+nsComponentManagerImpl::DeleteContractIDEntriesByCID(const nsCID* aClass, nsIFactory* factory)
+{
+    UnregisterConditions aData;
+    aData.cid     = aClass;
+    aData.regName = nsnull;
+    aData.factory = factory;
+    PL_DHashTableEnumerate(&mContractIDs, DeleteFoundCIDs, (void*)&aData);
+}
+
+nsresult
+nsComponentManagerImpl::UnregisterFactory(const nsCID &aClass,
+                                          nsIFactory *aFactory)
+{
+#ifdef PR_LOGGING
+    if (PR_LOG_TEST(nsComponentManagerLog, PR_LOG_WARNING))
+    {
+        char *buf = aClass.ToString();
+        PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+               ("nsComponentManager: UnregisterFactory(%s)", buf));
+        if (buf)
+            PR_Free(buf);
+    }
+#endif
+    nsFactoryEntry *old;
+
+    // first delete all contract id entries that are registered with this cid.
+    DeleteContractIDEntriesByCID(&aClass, aFactory);
+
+    // next check to see if there is a CID registered
+    nsresult rv = NS_ERROR_FACTORY_NOT_REGISTERED;
+    old = GetFactoryEntry(aClass);
+
+    if (old && (old->mFactory.get() == aFactory))
+    {
+        nsAutoMonitor mon(mMon);
+        PL_DHashTableOperate(&mFactories, &aClass, PL_DHASH_REMOVE);
+        rv = NS_OK;
+    }
+
+    PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+           ("\t\tUnregisterFactory() %s",
+            NS_SUCCEEDED(rv) ? "succeeded" : "FAILED"));
+    return rv;
+}
+
+nsresult
+nsComponentManagerImpl::UnregisterComponent(const nsCID &aClass,
+                                            const char *registryName)
+{
+#ifdef PR_LOGGING
+    if (PR_LOG_TEST(nsComponentManagerLog, PR_LOG_WARNING))
+    {
+        char *buf = aClass.ToString();
+        PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+               ("nsComponentManager: UnregisterComponent(%s)", buf));
+        if (buf)
+            PR_Free(buf);
+    }
+#endif
+
+    NS_ENSURE_ARG_POINTER(registryName);
+    nsFactoryEntry *old;
+
+    // first delete all contract id entries that are registered with this cid.
+    DeleteContractIDEntriesByCID(&aClass, registryName);
+
+    // next check to see if there is a CID registered
+    old = GetFactoryEntry(aClass);
+    if (old && old->mLocation && !PL_strcasecmp(old->mLocation, registryName))
+    {
+        nsAutoMonitor mon(mMon);
+        PL_DHashTableOperate(&mFactories, &aClass, PL_DHASH_REMOVE);
+    }
+
+    PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+           ("nsComponentManager: Factory unregister(%s) succeeded.", registryName));
+
+    return NS_OK;
+}
+
+nsresult
+nsComponentManagerImpl::UnregisterComponentSpec(const nsCID &aClass,
+                                                nsIFile *aLibrarySpec)
+{
+    nsXPIDLCString registryName;
+    nsresult rv = RegistryLocationForSpec(aLibrarySpec, getter_Copies(registryName));
+    if (NS_FAILED(rv)) return rv;
+    return UnregisterComponent(aClass, registryName);
+}
+
+// XXX Need to pass in aWhen and servicemanager
+nsresult
+nsComponentManagerImpl::FreeLibraries(void)
+{
+    return UnloadLibraries(NS_STATIC_CAST(nsIServiceManager*, this), NS_Timer); // XXX when
+}
+
+// Private implementation of unloading libraries
+nsresult
+nsComponentManagerImpl::UnloadLibraries(nsIServiceManager *serviceMgr, PRInt32 aWhen)
+{
+    nsresult rv = NS_OK;
+
+    nsAutoMonitor mon(mMon);
+
+    PR_LOG(nsComponentManagerLog, PR_LOG_WARNING,
+           ("nsComponentManager: Unloading Libraries."));
+
+    // UnloadAll the loaders
+    /* iterate over all known loaders and ask them to autoregister. */
+    // Skip mNativeComponentLoader
+    for (int i=NS_COMPONENT_TYPE_NATIVE + 1; i<mNLoaderData; i++) {
+        if (mLoaderData[i].loader) {
+            rv = mLoaderData[i].loader->UnloadAll(aWhen);
+            if (NS_FAILED(rv))
+                break;
+        }
+    }
+
+    // UnloadAll the native loader
+    rv = mNativeComponentLoader->UnloadAll(aWhen);
+    return rv;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * AutoRegister(RegistrationInstant, const char *directory)
+ *
+ * Given a directory in the following format, this will ensure proper registration
+ * of all components. No default directory is looked at.
+ *
+ *    Directory and fullname are what NSPR will accept. For eg.
+ *      WIN    y:/home/dp/mozilla/dist/bin
+ *      UNIX   /home/dp/mozilla/dist/bin
+ *      MAC    /Hard drive/mozilla/dist/apprunner
+ *
+ * This will take care not loading already registered dlls, finding and
+ * registering new dlls, re-registration of modified dlls
+ *
+ */
+
+nsresult
+nsComponentManagerImpl::AutoRegister(PRInt32 when, nsIFile *inDirSpec)
+{
+    return AutoRegisterImpl(when, inDirSpec);
+}
+
+nsresult
+nsComponentManagerImpl::AutoRegisterImpl(PRInt32 when,
+                                         nsIFile *inDirSpec,
+                                         PRBool fileIsCompDir)
+{
+    nsCOMPtr<nsIFile> dir;
+    nsresult rv;
+
+#ifdef DEBUG
+    // testing release behaviour
+    if (getenv("XPCOM_NO_AUTOREG"))
+        return NS_OK;
+#endif
+    if (inDirSpec)
+    {
+        // Use supplied components' directory
+        dir = inDirSpec;
+    }
+    else
+    {
+        mComponentsDir->Clone(getter_AddRefs(dir));
+        if (!dir)
+            return NS_ERROR_NOT_INITIALIZED;
+    }
+
+    nsCOMPtr<nsIInterfaceInfoManager> iim =
+        dont_AddRef(XPTI_GetInterfaceInfoManager());
+
+    if (!iim)
+        return NS_ERROR_UNEXPECTED;
+
+    // Notify observers of xpcom autoregistration start
+    NS_CreateServicesFromCategory(NS_XPCOM_AUTOREGISTRATION_OBSERVER_ID,
+                                  nsnull,
+                                  "start");
+
+    /* do the native loader first, so we can find other loaders */
+    rv = mNativeComponentLoader->AutoRegisterComponents((PRInt32)when, dir);
+    if (NS_FAILED(rv)) return rv;
+
+#ifdef ENABLE_STATIC_COMPONENT_LOADER
+    rv = mStaticComponentLoader->AutoRegisterComponents((PRInt32)when, inDirSpec);
+    if (NS_FAILED(rv)) return rv;
+#endif
+
+    /* do InterfaceInfoManager after native loader so it can use components. */
+    rv = iim->AutoRegisterInterfaces();
+    if (NS_FAILED(rv)) return rv;
+
+    if (!mCategoryManager) {
+        NS_WARNING("mCategoryManager is null");
+        return NS_ERROR_UNEXPECTED;
+    }
+
+    nsCOMPtr<nsISimpleEnumerator> loaderEnum;
+    rv = mCategoryManager->EnumerateCategory("component-loader",
+                                   getter_AddRefs(loaderEnum));
+    if (NS_FAILED(rv)) return rv;
+
+    PRBool hasMore;
+    while (NS_SUCCEEDED(loaderEnum->HasMoreElements(&hasMore)) && hasMore) {
+        nsCOMPtr<nsISupports> supports;
+        if (NS_FAILED(loaderEnum->GetNext(getter_AddRefs(supports))))
+            continue;
+
+        nsCOMPtr<nsISupportsCString> supStr = do_QueryInterface(supports);
+        if (!supStr)
+            continue;
+
+        nsCAutoString loaderType;
+        if (NS_FAILED(supStr->GetData(loaderType)))
+            continue;
+
+        // We depend on the loader being created. Add the loader type and
+        // create the loader object too.
+        nsCOMPtr<nsIComponentLoader> loader;
+        int typeIndex;
+        rv = AddLoaderType(loaderType.get(), &typeIndex);
+        if (NS_FAILED(rv))
+            return rv;
+        GetLoaderForType(typeIndex, getter_AddRefs(loader));
+    }
+
+    rv = AutoRegisterNonNativeComponents(dir.get());
+
+    // Notify observers of xpcom autoregistration completion
+    NS_CreateServicesFromCategory(NS_XPCOM_AUTOREGISTRATION_OBSERVER_ID,
+                                  nsnull,
+                                  "end");
+
+    if (mRegistryDirty)
+        FlushPersistentStore(PR_TRUE);
+    return rv;
+}
+
+nsresult
+nsComponentManagerImpl::AutoRegisterNonNativeComponents(nsIFile* spec)
+{
+    nsresult rv = NS_OK;
+    nsCOMPtr<nsIFile> directory = spec;
+
+    if (!directory) {
+        mComponentsDir->Clone(getter_AddRefs(directory));
+        if (!directory)
+            return NS_ERROR_NOT_INITIALIZED;
+    }
+
+    for (int i = 1; i < mNLoaderData; i++) {
+        if (!mLoaderData[i].loader) {
+            rv = GetLoaderForType(i, &mLoaderData[i].loader);
+            if (NS_FAILED(rv))
+                continue;
+        }
+        rv = mLoaderData[i].loader->AutoRegisterComponents(0, directory);
+        if (NS_FAILED(rv))
+            break;
+    }
+
+    if (NS_SUCCEEDED(rv))
+    {
+        PRBool registered;
+        do {
+            registered = PR_FALSE;
+            for (int i = 0; i < mNLoaderData; i++) {
+                PRBool b = PR_FALSE;
+                if (mLoaderData[i].loader) {
+                    rv = mLoaderData[i].loader->RegisterDeferredComponents(0, &b);
+                    if (NS_FAILED(rv))
+                        continue;
+                    registered |= b;
+                }
+            }
+        } while (NS_SUCCEEDED(rv) && registered);
+    }
+    return rv;
+}
+nsresult
+nsComponentManagerImpl::AutoRegisterComponent(PRInt32 when,
+                                              nsIFile *component)
+{
+    nsresult rv = NS_OK, res = NS_ERROR_FACTORY_NOT_REGISTERED;
+    /*
+     * Do we have to give the native loader first crack at it?
+     * I vote ``no''.
+     */
+    for (int i = 0; i < mNLoaderData; i++) {
+        PRBool didRegister;
+        if (!mLoaderData[i].loader) {
+            nsCOMPtr<nsIComponentLoader> loader;
+            rv = GetLoaderForType(i, getter_AddRefs(loader));
+            if (NS_FAILED(rv))
+                continue;
+            // |GetLoaderForType| has filled in |mLoaderData[i].loader|:
+            NS_ASSERTION(loader == mLoaderData[i].loader, "oops");
+        }
+        rv = mLoaderData[i].loader->AutoRegisterComponent((int)when, component, &didRegister);
+        if (NS_FAILED(rv)) {
+            res = rv;
+        } else if (didRegister) {
+            return rv;
+        }
+    }
+    return res;
+}
+
+nsresult
+nsComponentManagerImpl::AutoUnregisterComponent(PRInt32 when,
+                                                nsIFile *component)
+{
+    nsresult rv = NS_OK;
+    for (int i = 0; i < mNLoaderData; i++) {
+        PRBool didUnRegister;
+        if (!mLoaderData[i].loader) {
+            rv = GetLoaderForType(i, &mLoaderData[i].loader);
+            if (NS_FAILED(rv))
+                continue;
+        }
+        rv = mLoaderData[i].loader->AutoUnregisterComponent(when, component, &didUnRegister);
+        if (NS_SUCCEEDED(rv) && didUnRegister) {
+            // we need to remove this file from our list of known libraries.
+            RemoveFileInfo(component, nsnull);
+            mRegistryDirty = PR_TRUE;
+            break;
+        }
+    }
+    return NS_FAILED(rv) ? NS_ERROR_FACTORY_NOT_REGISTERED : NS_OK;
+}
+
+nsresult
+nsComponentManagerImpl::IsRegistered(const nsCID &aClass,
+                                     PRBool *aRegistered)
+{
+    if (!aRegistered)
+    {
+        NS_ASSERTION(0, "null ptr");
+        return NS_ERROR_NULL_POINTER;
+    }
+    *aRegistered = (nsnull != GetFactoryEntry(aClass));
+    return NS_OK;
+}
+
+nsresult
+nsComponentManagerImpl::EnumerateCLSIDs(nsIEnumerator** aEnumerator)
+{
+    NS_ASSERTION(aEnumerator != nsnull, "null ptr");
+    if (!aEnumerator)
+    {
+        return NS_ERROR_NULL_POINTER;
+    }
+    *aEnumerator = nsnull;
+
+    nsresult rv;
+
+    PLDHashTableEnumeratorImpl *aEnum;
+    rv = PL_NewDHashTableEnumerator(&mFactories,
+                                    ConvertFactoryEntryToCID,
+                                    (void*)this,
+                                    &aEnum);
+    if (NS_FAILED(rv))
+        return rv;
+
+    *aEnumerator = NS_STATIC_CAST(nsIEnumerator*, aEnum);
+    return NS_OK;
+}
+
+nsresult
+nsComponentManagerImpl::EnumerateContractIDs(nsIEnumerator** aEnumerator)
+{
+    NS_ASSERTION(aEnumerator != nsnull, "null ptr");
+    if (!aEnumerator)
+    {
+        return NS_ERROR_NULL_POINTER;
+    }
+
+    *aEnumerator = nsnull;
+
+    nsresult rv;
+    PLDHashTableEnumeratorImpl *aEnum;
+    rv = PL_NewDHashTableEnumerator(&mContractIDs,
+                                    ConvertContractIDKeyToString,
+                                    (void*)this,
+                                    &aEnum);
+    if (NS_FAILED(rv))
+        return rv;
+
+    *aEnumerator = NS_STATIC_CAST(nsIEnumerator*, aEnum);
+    return NS_OK;
+}
+
+// nsIComponentRegistrar
+
+NS_IMETHODIMP
+nsComponentManagerImpl::AutoRegister(nsIFile *aSpec)
+{
+    if (aSpec == nsnull)
+        return AutoRegisterImpl(0, aSpec);
+
+    PRBool directory;
+    aSpec->IsDirectory(&directory);
+
+    if (directory)
+        return AutoRegisterImpl(0, aSpec, PR_FALSE);
+
+    return AutoRegisterComponent(0, aSpec);
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::AutoUnregister(nsIFile *aSpec)
+{
+    // unregistering a complete directory is not implmeneted yet...FIX
+    if (aSpec == nsnull)
+        return NS_ERROR_NOT_IMPLEMENTED;
+
+    PRBool directory;
+    aSpec->IsDirectory(&directory);
+
+    if (directory)
+        return NS_ERROR_NOT_IMPLEMENTED;
+
+    return AutoUnregisterComponent(0, aSpec);
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::RegisterFactory(const nsCID & aClass,
+                                        const char *aClassName,
+                                        const char *aContractID,
+                                        nsIFactory *aFactory)
+{
+    return RegisterFactory(aClass,
+                           aClassName,
+                           aContractID,
+                           aFactory,
+                           PR_TRUE);
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::RegisterFactoryLocation(const nsCID & aClass,
+                                                const char *aClassName,
+                                                const char *aContractID,
+                                                nsIFile *aFile,
+                                                const char *loaderStr,
+                                                const char *aType)
+{
+    nsXPIDLCString registryName;
+
+    if (!loaderStr)
+    {
+        nsresult rv = RegistryLocationForSpec(aFile, getter_Copies(registryName));
+        if (NS_FAILED(rv))
+            return rv;
+    }
+
+    nsresult rv;
+    rv = RegisterComponentWithType(aClass,
+                                   aClassName,
+                                   aContractID,
+                                   aFile,
+                                   (loaderStr ? loaderStr : registryName.get()),
+                                   PR_TRUE,
+                                   PR_TRUE,
+                                   (aType ? aType : nativeComponentType));
+    return rv;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::UnregisterFactoryLocation(const nsCID & aClass,
+                                                  nsIFile *aFile)
+{
+    return UnregisterComponentSpec(aClass, aFile);
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::IsCIDRegistered(const nsCID & aClass,
+                                        PRBool *_retval)
+{
+    return IsRegistered(aClass, _retval);
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::IsContractIDRegistered(const char *aClass,
+                                               PRBool *_retval)
+{
+    nsFactoryEntry *entry = GetFactoryEntry(aClass, strlen(aClass));
+
+    if (entry)
+        *_retval = PR_TRUE;
+    else
+        *_retval = PR_FALSE;
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::EnumerateCIDs(nsISimpleEnumerator **aEnumerator)
+{
+    NS_ASSERTION(aEnumerator != nsnull, "null ptr");
+
+    if (!aEnumerator)
+        return NS_ERROR_NULL_POINTER;
+
+    *aEnumerator = nsnull;
+
+    nsresult rv;
+    PLDHashTableEnumeratorImpl *aEnum;
+    rv = PL_NewDHashTableEnumerator(&mFactories,
+                                    ConvertFactoryEntryToCID,
+                                    (void*)this,
+                                    &aEnum);
+    if (NS_FAILED(rv))
+        return rv;
+
+    *aEnumerator = NS_STATIC_CAST(nsISimpleEnumerator*, aEnum);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::EnumerateContractIDs(nsISimpleEnumerator **aEnumerator)
+{
+    NS_ASSERTION(aEnumerator != nsnull, "null ptr");
+    if (!aEnumerator)
+        return NS_ERROR_NULL_POINTER;
+
+    *aEnumerator = nsnull;
+
+    nsresult rv;
+    PLDHashTableEnumeratorImpl *aEnum;
+    rv = PL_NewDHashTableEnumerator(&mContractIDs,
+                                    ConvertContractIDKeyToString,
+                                    (void*)this,
+                                    &aEnum);
+    if (NS_FAILED(rv))
+        return rv;
+
+    *aEnumerator = NS_STATIC_CAST(nsISimpleEnumerator*, aEnum);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::CIDToContractID(const nsCID & aClass,
+                                        char **_retval)
+{
+    return CLSIDToContractID(aClass,
+                             nsnull,
+                             _retval);
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::ContractIDToCID(const char *aContractID,
+                                        nsCID * *_retval)
+{
+    *_retval = (nsCID*) nsMemory::Alloc(sizeof(nsCID));
+    if (!*_retval)
+       return NS_ERROR_OUT_OF_MEMORY;
+
+    nsresult rv = ContractIDToClassID(aContractID, *_retval);
+    if (NS_FAILED(rv)) {
+        nsMemory::Free(*_retval);
+        *_retval = nsnull;
+    }
+    return rv;
+}
+
+// end nsIComponentRegistrar
+
+
+
+
+NS_IMETHODIMP
+nsComponentManagerImpl::HasFileChanged(nsIFile *file, const char *loaderString, PRInt64 modDate, PRBool *_retval)
+{
+    *_retval = PR_TRUE;
+
+    nsXPIDLCString registryName;
+    nsresult rv = RegistryLocationForSpec(file, getter_Copies(registryName));
+    if (NS_FAILED(rv))
+        return rv;
+
+    nsCStringKey key(registryName);
+    AutoRegEntry* entry = (AutoRegEntry*)mAutoRegEntries.Get(&key);
+    if (entry)
+        *_retval = entry->Modified(&modDate);
+    else
+        *_retval = PR_TRUE;
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::SaveFileInfo(nsIFile *file, const char *loaderString, PRInt64 modDate)
+{
+    mRegistryDirty = PR_TRUE;
+    nsXPIDLCString registryName;
+    nsresult rv = RegistryLocationForSpec(file, getter_Copies(registryName));
+    if (NS_FAILED(rv))
+        return rv;
+
+    // check to see if exists in the array before adding it so that we don't have dups.
+    nsCStringKey key(registryName);
+    AutoRegEntry* entry = (AutoRegEntry*)mAutoRegEntries.Get(&key);
+
+    if (entry)
+    {
+        entry->SetDate(&modDate);
+        return NS_OK;
+    }
+
+    entry = new AutoRegEntry(registryName, &modDate);
+    if (!entry)
+        return NS_ERROR_OUT_OF_MEMORY;
+
+    mAutoRegEntries.Put(&key, entry);
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::RemoveFileInfo(nsIFile *file, const char *loaderString)
+{
+    mRegistryDirty = PR_TRUE;
+    nsXPIDLCString registryName;
+    nsresult rv = RegistryLocationForSpec(file, getter_Copies(registryName));
+    if (NS_FAILED(rv))
+        return rv;
+
+    nsCStringKey key(registryName);
+    AutoRegEntry* entry = (AutoRegEntry*)mAutoRegEntries.Remove(&key);
+    if (entry)
+        delete entry;
+
+    return NS_OK;
+}
+
+NS_IMETHODIMP
+nsComponentManagerImpl::GetOptionalData(nsIFile *file,
+                                        const char *loaderString,
+                                        char **_retval)
+{
+    nsXPIDLCString registryName;
+    nsresult rv = RegistryLocationForSpec(file, getter_Copies(registryName));
+    if (NS_FAILED(rv))
+        return rv;
+
+    nsCStringKey key(registryName);
+    AutoRegEntry* entry = (AutoRegEntry*)mAutoRegEntries.Get(&key);
+    if (!entry) {
+        return NS_ERROR_NOT_INITIALIZED;
+    }
+    const char* opData = entry->GetOptionalData();
+
+    if (opData)
+        *_retval = ToNewCString(nsDependentCString(opData));
+    else
+        *_retval = nsnull;
+    return NS_OK;
+ }
+
+NS_IMETHODIMP
+nsComponentManagerImpl::SetOptionalData(nsIFile *file,
+                                        const char *loaderString,
+                                        const char *data)
+{
+    nsXPIDLCString registryName;
+    nsresult rv = RegistryLocationForSpec(file, getter_Copies(registryName));
+    if (NS_FAILED(rv))
+        return rv;
+
+    nsCStringKey key(registryName);
+    AutoRegEntry* entry = (AutoRegEntry*)mAutoRegEntries.Get(&key);
+
+    if (!entry) {
+        PRInt64 zero = LL_Zero();
+        entry = new AutoRegEntry(registryName, &zero);
+        if (!entry)
+            return NS_ERROR_OUT_OF_MEMORY;
+
+        mAutoRegEntries.Put(&key, entry);
+    }
+
+    entry->SetOptionalData(data);
+
+    return NS_OK;
+ }
+
+
+NS_IMETHODIMP
+nsComponentManagerImpl::FlushPersistentStore(PRBool now)
+{
+    mRegistryDirty = PR_TRUE;
+    if (now)
+        return WritePersistentRegistry();
+
+    return NS_OK;
+}
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Static Access Functions
+////////////////////////////////////////////////////////////////////////////////
+
+NS_COM nsresult
+NS_GetGlobalComponentManager(nsIComponentManager* *result)
+{
+#ifdef DEBUG_dougt
+    //    NS_WARNING("DEPRECATED FUNCTION: Use NS_GetComponentManager");
+#endif
+    nsresult rv = NS_OK;
+
+    if (nsComponentManagerImpl::gComponentManager == nsnull)
+    {
+        // XPCOM needs initialization.
+        rv = NS_InitXPCOM2(nsnull, nsnull, nsnull);
+    }
+
+    if (NS_SUCCEEDED(rv))
+    {
+        // NO ADDREF since this is never intended to be released.
+        // See nsComponentManagerObsolete.h for the reason for such
+        // casting uglyness
+        *result = (nsIComponentManager*)(void*)(nsIComponentManagerObsolete*) nsComponentManagerImpl::gComponentManager;
+    }
+
+    return rv;
+}
+
+NS_COM nsresult
+NS_GetComponentManager(nsIComponentManager* *result)
+{
+    if (nsComponentManagerImpl::gComponentManager == nsnull)
+    {
+        // XPCOM needs initialization.
+        nsresult rv = NS_InitXPCOM2(nsnull, nsnull, nsnull);
+        if (NS_FAILED(rv))
+            return rv;
+    }
+
+    *result = NS_STATIC_CAST(nsIComponentManager*,
+                             nsComponentManagerImpl::gComponentManager);
+    NS_IF_ADDREF(*result);
+    return NS_OK;
+}
+
+NS_COM nsresult
+NS_GetServiceManager(nsIServiceManager* *result)
+{
+    nsresult rv = NS_OK;
+
+    if (nsComponentManagerImpl::gComponentManager == nsnull)
+    {
+#ifdef VBOX
+        // While XPCOM might need initialization, we're not in a position
+        // to pass the right values to this call. This is actually triggered
+        // on object destruction, so there is no point in re-initializing,
+        // and actually the attempt would lead to nested calls to
+        // xptiInterfaceInfoManager::BuildFileSearchPath, which it detects
+        // as unsafe in debug builds. Just fail, no real problem.
+#ifdef DEBUG
+        printf("NS_GetServiceManager: no current instance, suppressed XPCOM initialization!\n");
+#endif
+        rv = NS_ERROR_SERVICE_NOT_AVAILABLE;
+#else /* !VBOX */
+        // XPCOM needs initialization.
+        rv = NS_InitXPCOM2(nsnull, nsnull, nsnull);
+#endif /* !VBOX */
+    }
+
+    if (NS_FAILED(rv))
+        return rv;
+
+    *result = NS_STATIC_CAST(nsIServiceManager*,
+                             nsComponentManagerImpl::gComponentManager);
+    NS_IF_ADDREF(*result);
+    return NS_OK;
+}
+
+
+NS_COM nsresult
+NS_GetComponentRegistrar(nsIComponentRegistrar* *result)
+{
+    nsresult rv = NS_OK;
+
+    if (nsComponentManagerImpl::gComponentManager == nsnull)
+    {
+        // XPCOM needs initialization.
+        rv = NS_InitXPCOM2(nsnull, nsnull, nsnull);
+    }
+
+    if (NS_FAILED(rv))
+        return rv;
+
+    *result = NS_STATIC_CAST(nsIComponentRegistrar*,
+                             nsComponentManagerImpl::gComponentManager);
+    NS_IF_ADDREF(*result);
+    return NS_OK;
+}
+
+
+// nsIComponentLoaderManager is not frozen, but is defined here
+// so that I can use it internally in xpcom.
+nsresult
+NS_GetComponentLoaderManager(nsIComponentLoaderManager* *result)
+{
+    nsresult rv = NS_OK;
+
+    if (nsComponentManagerImpl::gComponentManager == NULL)
+    {
+        // XPCOM needs initialization.
+        rv = NS_InitXPCOM2(nsnull, nsnull, nsnull);
+    }
+
+    if (NS_FAILED(rv))
+        return rv;
+
+    *result = NS_STATIC_CAST(nsIComponentLoaderManager*,
+                             nsComponentManagerImpl::gComponentManager);
+    NS_IF_ADDREF(*result);
+    return NS_OK;
+}