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, 339 insertions, 0 deletions

diff --git a/src/libs/xpcom18a4/xpcom/components/nsComponentManager.h b/src/libs/xpcom18a4/xpcom/components/nsComponentManager.h
new file mode 100644
index 00000000..df128125
--- /dev/null
+++ b/src/libs/xpcom18a4/xpcom/components/nsComponentManager.h
@@ -0,0 +1,339 @@
+/* -*- Mode: C++; tab-width: 8; 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 ***** */
+
+#ifndef nsComponentManager_h__
+#define nsComponentManager_h__
+
+#include "nsXPCOM.h"
+
+#include "nsIComponentLoader.h"
+#include "xpcom-private.h"
+#include "nsNativeComponentLoader.h"
+#include "nsIComponentManager.h"
+#include "nsIComponentRegistrar.h"
+#include "nsIComponentManagerObsolete.h"
+#include "nsIComponentLoaderManager.h"
+#include "nsCategoryManager.h"
+#include "nsIServiceManager.h"
+#include "nsIFactory.h"
+#include "nsIInterfaceRequestor.h"
+#include "nsIInterfaceRequestorUtils.h"
+#include "pldhash.h"
+#include "prtime.h"
+#include "prmon.h"
+#include "nsCOMPtr.h"
+#include "nsWeakReference.h"
+#include "nsXPIDLString.h"
+#include "nsIFile.h"
+#include "plarena.h"
+
+class nsFactoryEntry;
+class nsDll;
+class nsIServiceManager;
+
+
+// Predefined loader types. Do not change the numbers.
+// NATIVE should be 0 as it is being used as the first array index.
+#define NS_COMPONENT_TYPE_NATIVE 0
+#define NS_COMPONENT_TYPE_FACTORY_ONLY -1
+// this define means that the factory entry only has a ContractID 
+// to service mapping and has no cid mapping.
+#define NS_COMPONENT_TYPE_SERVICE_ONLY -2
+
+
+#ifdef DEBUG
+#define XPCOM_CHECK_PENDING_CIDS
+#endif
+////////////////////////////////////////////////////////////////////////////////
+
+// Array of Loaders and their type strings
+struct nsLoaderdata {
+    nsIComponentLoader *loader;
+    const char *type;
+};
+
+class nsComponentManagerImpl
+    : public nsIComponentManager,
+      public nsIServiceManager,
+      public nsIComponentRegistrar,
+      public nsSupportsWeakReference,
+      public nsIInterfaceRequestor,
+      public nsIComponentLoaderManager,
+      public nsIServiceManagerObsolete,
+      public nsIComponentManagerObsolete
+{
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIINTERFACEREQUESTOR
+    // Since the nsIComponentManagerObsolete and nsIComponentManager share some of the 
+    // same interface function names, we have to manually define the functions here.
+    // The only function that is in nsIComponentManagerObsolete and is in nsIComponentManager
+    // is GetClassObjectContractID.  
+    //
+    // nsIComponentManager function not in nsIComponentManagerObsolete:
+    NS_IMETHOD GetClassObjectByContractID(const char *aContractID,
+                                          const nsIID &aIID,
+                                          void **_retval);
+
+
+    NS_DECL_NSICOMPONENTMANAGEROBSOLETE
+
+    // Since the nsIComponentManagerObsolete and nsIComponentRegistrar share some of the
+    // same interface function names, we have to manually define the functions here.
+    // the only function that is shared is UnregisterFactory
+    NS_IMETHOD AutoRegister(nsIFile *aSpec); 
+    NS_IMETHOD AutoUnregister(nsIFile *aSpec); 
+    NS_IMETHOD RegisterFactory(const nsCID & aClass, const char *aClassName, const char *aContractID, nsIFactory *aFactory); 
+    //  NS_IMETHOD UnregisterFactory(const nsCID & aClass, nsIFactory *aFactory); 
+    NS_IMETHOD RegisterFactoryLocation(const nsCID & aClass, const char *aClassName, const char *aContractID, nsIFile *aFile, const char *loaderStr, const char *aType); 
+    NS_IMETHOD UnregisterFactoryLocation(const nsCID & aClass, nsIFile *aFile); 
+    NS_IMETHOD IsCIDRegistered(const nsCID & aClass, PRBool *_retval); 
+    NS_IMETHOD IsContractIDRegistered(const char *aClass, PRBool *_retval); 
+    NS_IMETHOD EnumerateCIDs(nsISimpleEnumerator **_retval); 
+    NS_IMETHOD EnumerateContractIDs(nsISimpleEnumerator **_retval); 
+    NS_IMETHOD CIDToContractID(const nsCID & aClass, char **_retval); 
+    NS_IMETHOD ContractIDToCID(const char *aContractID, nsCID * *_retval); 
+    
+    NS_DECL_NSISERVICEMANAGER
+    NS_DECL_NSISERVICEMANAGEROBSOLETE
+    NS_DECL_NSICOMPONENTLOADERMANAGER
+
+    // nsComponentManagerImpl methods:
+    nsComponentManagerImpl();
+
+    static nsComponentManagerImpl* gComponentManager;
+    nsresult Init(void);
+
+    nsresult WritePersistentRegistry();
+    nsresult ReadPersistentRegistry();
+
+    nsresult Shutdown(void);
+
+    nsresult FreeServices();
+
+    nsresult
+    NS_GetService(const char *aContractID, const nsIID& aIID, PRBool aDontCreate, nsISupports** result);
+
+    nsresult RegisterComponentCommon(const nsCID &aClass,
+                                     const char *aClassName,
+                                     const char *aContractID,
+                                     PRUint32 aContractIDLen,
+                                     const char *aRegistryName,
+                                     PRUint32 aRegistryNameLen,
+                                     PRBool aReplace, PRBool aPersist,
+                                     const char *aType);
+    nsresult GetLoaderForType(int aType, 
+                              nsIComponentLoader **aLoader);
+    nsresult FindFactory(const char *contractID, PRUint32 aContractIDLen, nsIFactory **aFactory) ;
+    nsresult LoadFactory(nsFactoryEntry *aEntry, nsIFactory **aFactory);
+
+    nsFactoryEntry *GetFactoryEntry(const char *aContractID,
+                                    PRUint32 aContractIDLen);
+    nsFactoryEntry *GetFactoryEntry(const nsCID &aClass);
+
+    nsresult SyncComponentsInDir(PRInt32 when, nsIFile *dirSpec);
+    nsresult SelfRegisterDll(nsDll *dll);
+    nsresult SelfUnregisterDll(nsDll *dll);
+    nsresult HashContractID(const char *acontractID, PRUint32 aContractIDLen,
+                            nsFactoryEntry *fe_ptr);
+
+    void DeleteContractIDEntriesByCID(const nsCID* aClass, const char*registryName);
+    void DeleteContractIDEntriesByCID(const nsCID* aClass, nsIFactory* factory);
+
+    nsresult UnloadLibraries(nsIServiceManager *servmgr, PRInt32 when);
+    
+    // Convert a loader type string into an index into the loader data
+    // array. Empty loader types are converted to NATIVE. Returns -1 if
+    // loader type cannot be determined.
+    int GetLoaderType(const char *typeStr);
+
+    // Add a loader type if not already known. Out the typeIndex
+    // if the loader type is either added or already there;
+    // returns NS_OK or an error on failure.
+    nsresult AddLoaderType(const char *typeStr, int *typeIndex);
+
+    int GetLoaderCount() { return mNLoaderData + 1; }
+
+    // registers only the files in spec's location by loaders other than the
+    // native loader.  This is an optimization method only.
+    nsresult AutoRegisterNonNativeComponents(nsIFile* spec);
+
+    nsresult AutoRegisterImpl(PRInt32 when, nsIFile *inDirSpec, PRBool fileIsCompDir=PR_TRUE);
+    nsresult RemoveEntries(nsIFile* file);
+
+    PLDHashTable        mFactories;
+    PLDHashTable        mContractIDs;
+    PRMonitor*          mMon;
+
+    nsNativeComponentLoader *mNativeComponentLoader;
+#ifdef ENABLE_STATIC_COMPONENT_LOADER
+    nsIComponentLoader  *mStaticComponentLoader;
+#endif
+    nsCOMPtr<nsIFile>   mComponentsDir;
+    PRInt32             mComponentsOffset;
+
+    nsCOMPtr<nsIFile>   mGREComponentsDir;
+    PRInt32             mGREComponentsOffset;
+
+    nsCOMPtr<nsIFile>   mRegistryFile;
+
+    // Shutdown
+    #define NS_SHUTDOWN_NEVERHAPPENED 0
+    #define NS_SHUTDOWN_INPROGRESS 1
+    #define NS_SHUTDOWN_COMPLETE 2
+    PRUint32 mShuttingDown;
+
+    nsLoaderdata *mLoaderData;
+    int mNLoaderData;
+    int mMaxNLoaderData;
+
+    PRBool              mRegistryDirty;
+    nsHashtable         mAutoRegEntries;
+    nsCOMPtr<nsCategoryManager>  mCategoryManager;
+
+    PLArenaPool   mArena;
+
+#ifdef XPCOM_CHECK_PENDING_CIDS
+    nsresult AddPendingCID(const nsCID &aClass);
+    void RemovePendingCID(const nsCID &aClass);
+
+    nsVoidArray         mPendingCIDs;
+#endif
+
+private:
+    ~nsComponentManagerImpl();
+};
+
+
+#define NS_MAX_FILENAME_LEN	1024
+
+#define NS_ERROR_IS_DIR NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_XPCOM, 24)
+
+////////////////////////////////////////////////////////////////////////////////
+/**
+ * Class: nsFactoryEntry()
+ *
+ * There are two types of FactoryEntries.
+ *
+ * 1. {CID, dll} mapping.
+ *		Factory is a consequence of the dll. These can be either session
+ *		specific or persistent based on whether we write this
+ *		to the registry or not.
+ *
+ * 2. {CID, factory} mapping
+ *		These are strictly session specific and in memory only.
+ */
+
+class nsFactoryEntry {
+public:
+    nsFactoryEntry(const nsCID &aClass,
+                   const char *location, PRUint32 locationlen, int aType, class nsFactoryEntry* parent = nsnull);
+    nsFactoryEntry(const nsCID &aClass, nsIFactory *aFactory, class nsFactoryEntry* parent = nsnull);
+    ~nsFactoryEntry();
+
+    nsresult ReInit(const nsCID &aClass, const char *location, int aType);
+
+    nsresult GetFactory(nsIFactory **aFactory, 
+                        nsComponentManagerImpl * mgr) {
+        if (mFactory) {
+            *aFactory = mFactory.get();
+            NS_ADDREF(*aFactory);
+            return NS_OK;
+        }
+
+        if (mTypeIndex < 0)
+            return NS_ERROR_FAILURE;
+
+        nsresult rv;
+        nsCOMPtr<nsIComponentLoader> loader;
+        rv = mgr->GetLoaderForType(mTypeIndex, getter_AddRefs(loader));
+        if(NS_FAILED(rv))
+            return rv;
+
+        rv = loader->GetFactory(mCid, mLocation, mgr->mLoaderData[mTypeIndex].type, aFactory);
+        if (NS_SUCCEEDED(rv))
+            mFactory = do_QueryInterface(*aFactory);
+        return rv;
+    }
+
+    nsCID mCid;
+    nsCOMPtr<nsIFactory> mFactory;
+    // This is an index into the mLoaderData array that holds the type string and the loader 
+    int mTypeIndex;
+    nsCOMPtr<nsISupports> mServiceObject;
+    char* mLocation;
+    class nsFactoryEntry* mParent;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+struct nsFactoryTableEntry : public PLDHashEntryHdr {
+    nsFactoryEntry *mFactoryEntry;    
+};
+
+struct nsContractIDTableEntry : public PLDHashEntryHdr {
+    char           *mContractID;
+    PRUint32        mContractIDLen;
+    nsFactoryEntry *mFactoryEntry;    
+};
+
+
+class AutoRegEntry
+{
+public:
+    AutoRegEntry(const nsACString& name, PRInt64* modDate);
+    ~AutoRegEntry();
+
+    const nsDependentCString GetName()
+      { return nsDependentCString(mName, mNameLen); }
+    PRInt64 GetDate() {return mModDate;}
+    void    SetDate(PRInt64 *date) { mModDate = *date;}
+    PRBool  Modified(PRInt64 *date);
+
+    // this is the optional field line in the compreg.dat.
+    // it must not contain any comma's and it must be null terminated.
+    char*   GetOptionalData() {return mData;};
+    void    SetOptionalData(const char* data);
+
+private:
+    char*   mName;
+    PRUint32 mNameLen;
+    char*   mData;
+    PRInt64 mModDate;
+};
+#endif // nsComponentManager_h__
+