зеркало из https://github.com/mozilla/gecko-dev.git
358 строки
14 KiB
C++
358 строки
14 KiB
C++
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <stdio.h>
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#include "nsIServiceManager.h"
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#include "nsIComponentManager.h"
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#include "nsCOMPtr.h"
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#include "nsIRegistry.h"
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#include "nsIEnumerator.h"
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#include "nsILocalFile.h"
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#include "nsDependentString.h"
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#include "prmem.h"
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#include "plstr.h"
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#include "nsMemory.h"
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static void display( nsIRegistry *reg, nsRegistryKey root, const char *name );
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static void displayValues( nsIRegistry *reg, nsRegistryKey root );
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static void printString( const char *value, int indent );
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int main( int argc, char *argv[] ) {
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#ifdef __MWERKS__
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// Hack in some arguments. A NULL registry name is supposed to tell libreg
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// to use the default registry (which does seem to work).
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argc = 1;
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const char* myArgs[] =
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{
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"regExport"
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};
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argv = const_cast<char**>(myArgs);
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#endif
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nsresult rv;
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// Initialize XPCOM
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nsIServiceManager *servMgr = NULL;
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rv = NS_InitXPCOM2(&servMgr, NULL, NULL);
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if (NS_FAILED(rv))
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{
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// Cannot initialize XPCOM
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printf("Cannot initialize XPCOM. Exit. [rv=0x%08X]\n", (int)rv);
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exit(-1);
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}
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{
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// Get the component manager
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static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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nsCOMPtr<nsIComponentManager> compMgr = do_GetService(kComponentManagerCID, &rv);
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if (NS_FAILED(rv))
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{
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// Cant get component manager
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printf("Cannot get component manager from service manager.. Exit. [rv=0x%08X]\n", (int)rv);
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exit(-1);
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}
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nsIRegistry *reg;
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if (argc>1) {
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// Create the registry
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rv = compMgr->CreateInstanceByContractID(NS_REGISTRY_CONTRACTID, NULL,
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NS_GET_IID(nsIRegistry),
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(void **) ®);
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// Check result.
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if ( NS_FAILED(rv) )
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{
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printf( "Error opening registry file %s, rv=0x%08X\n", argv[1] , (int)rv );
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return rv;
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}
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// Open it against the input file name.
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nsCOMPtr<nsILocalFile> regFile;
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rv = NS_NewNativeLocalFile( nsDependentCString(argv[1]), PR_FALSE, getter_AddRefs(regFile) );
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if ( NS_FAILED(rv) ) {
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printf( "Error instantiating local file for %s, rv=0x%08X\n", argv[1], (int)rv );
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return rv;
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}
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rv = reg->Open( regFile );
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if ( rv == NS_OK )
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{
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printf( "Registry %s opened OK.\n", argv[1] );
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// Recurse over all 3 branches.
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display( reg, nsIRegistry::Common, "nsRegistry::Common" );
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display( reg, nsIRegistry::Users, "nsRegistry::Users" );
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}
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NS_RELEASE(reg);
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}
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else
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{
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// Called with no arguments. Print both the default registry and
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// the components registry. We already printed the default regsitry.
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// So just do the component registry.
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rv = compMgr->CreateInstanceByContractID(NS_REGISTRY_CONTRACTID, NULL,
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NS_GET_IID(nsIRegistry),
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(void **) ®);
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// Check result.
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if ( NS_FAILED(rv) )
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{
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printf( "Error opening creating registry instance, rv=0x%08X\n", (int)rv );
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return rv;
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}
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rv = reg->OpenWellKnownRegistry(nsIRegistry::ApplicationComponentRegistry);
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if ( rv == NS_ERROR_REG_BADTYPE ) {
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printf( "\n\n\nThere is no <Application Component Registry>\n" );
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}
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else if ( rv == NS_OK ) {
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printf( "\n\n\nRegistry %s opened OK.\n", "<Application Component Registry>\n" );
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// Recurse over all 3 branches.
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display( reg, nsIRegistry::Common, "nsRegistry::Common" );
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display( reg, nsIRegistry::Users, "nsRegistry::Users" );
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}
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NS_RELEASE(reg);
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}
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}
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NS_ShutdownXPCOM( servMgr );
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return rv;
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}
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void display( nsIRegistry *reg, nsRegistryKey root, const char *rootName ) {
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// Print out key name.
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printf( "%s\n", rootName );
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// Make sure it isn't a "root" key.
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if ( root != nsIRegistry::Common
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&&
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root != nsIRegistry::Users
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&&
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root != nsIRegistry::CurrentUser ) {
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// Print values stored under this key.
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displayValues( reg, root );
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}
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// Enumerate all subkeys (immediately) under the given node.
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nsIEnumerator *keys;
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nsresult rv = reg->EnumerateSubtrees( root, &keys );
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// Check result.
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if ( rv == NS_OK ) {
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// Set enumerator to beginning.
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rv = keys->First();
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// Enumerate subkeys till done.
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while( NS_SUCCEEDED( rv ) && (NS_OK != keys->IsDone()) ) {
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nsISupports *base;
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rv = keys->CurrentItem( &base );
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// Test result.
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if ( rv == NS_OK ) {
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// Get specific interface.
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nsIRegistryNode *node;
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nsIID nodeIID = NS_IREGISTRYNODE_IID;
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rv = base->QueryInterface( nodeIID, (void**)&node );
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// Test that result.
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if ( rv == NS_OK ) {
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// Get node name.
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char *name;
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rv = node->GetNameUTF8( &name );
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// Test result.
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if ( rv == NS_OK ) {
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// Build complete name.
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char *fullName = new char[ PL_strlen(rootName) + PL_strlen(name) + 5 ];
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PL_strcpy( fullName, rootName );
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PL_strcat( fullName, " - " );
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PL_strcat( fullName, name );
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// Display contents under this subkey.
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nsRegistryKey key;
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rv = reg->GetSubtreeRaw( root, name, &key );
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if ( rv == NS_OK ) {
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display( reg, key, fullName );
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printf( "\n" );
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} else {
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printf( "Error getting key, rv=0x%08X\n", (int)rv );
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}
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delete [] fullName;
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} else {
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printf( "Error getting subtree name, rv=0x%08X\n", (int)rv );
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}
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// Release node.
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node->Release();
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} else {
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printf( "Error converting base node ptr to nsIRegistryNode, rv=0x%08X\n", (int)rv );
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}
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// Release item.
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base->Release();
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// Advance to next key.
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rv = keys->Next();
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// Check result.
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if ( NS_SUCCEEDED( rv ) ) {
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} else {
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printf( "Error advancing enumerator, rv=0x%08X\n", (int)rv );
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}
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} else {
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printf( "Error getting current item, rv=0x%08X\n", (int)rv );
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}
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}
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// Release key enumerator.
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keys->Release();
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} else {
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printf( "Error creating enumerator for %s, root=0x%08X, rv=0x%08X\n",
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rootName, (int)root, (int)rv );
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}
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return;
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}
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static void displayValues( nsIRegistry *reg, nsRegistryKey root ) {
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// Emumerate values at this registry location.
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nsIEnumerator *values;
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nsresult rv = reg->EnumerateValues( root, &values );
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// Check result.
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if ( rv == NS_OK ) {
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// Go to beginning.
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rv = values->First();
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// Enumerate values till done.
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while( rv == NS_OK && (NS_OK != values->IsDone()) ) {
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nsISupports *base;
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rv = values->CurrentItem( &base );
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// Test result.
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if ( rv == NS_OK ) {
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// Get specific interface.
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nsIRegistryValue *value;
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nsIID valueIID = NS_IREGISTRYVALUE_IID;
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rv = base->QueryInterface( valueIID, (void**)&value );
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// Test that result.
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if ( rv == NS_OK ) {
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// Get node name.
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char *name;
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rv = value->GetNameUTF8( &name );
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// Test result.
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if ( rv == NS_OK ) {
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// Print name:
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printf( "\t\t%s", name );
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// Get info about this value.
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PRUint32 type;
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rv = reg->GetValueType( root, name, &type );
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if ( rv == NS_OK ) {
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// Print value contents.
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switch ( type ) {
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case nsIRegistry::String: {
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char *strValue;
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rv = reg->GetStringUTF8( root, name, &strValue );
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if ( rv == NS_OK ) {
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printString( strValue, strlen(name) );
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nsMemory::Free( strValue );
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} else {
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printf( "\t Error getting string value, rv=0x%08X", (int)rv );
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}
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}
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break;
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case nsIRegistry::Int32:
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{
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PRInt32 val = 0;
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rv = reg->GetInt( root, name, &val );
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if (NS_SUCCEEDED(rv)) {
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printf( "\t= Int32 [%d, 0x%x]", val, val);
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}
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else {
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printf( "\t Error getting int32 value, rv=%08X", (int)rv);
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}
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}
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break;
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case nsIRegistry::Bytes:
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printf( "\t= Bytes" );
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break;
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case nsIRegistry::File:
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printf( "\t= File (?)" );
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break;
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default:
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printf( "\t= ? (unknown type=0x%02X)", (int)type );
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break;
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}
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} else {
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printf( "\t= ? (error getting value, rv=0x%08X)", (int)rv );
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}
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printf("\n");
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nsMemory::Free( name );
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} else {
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printf( "Error getting value name, rv=0x%08X\n", (int)rv );
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}
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// Release node.
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value->Release();
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} else {
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printf( "Error converting base node ptr to nsIRegistryNode, rv=0x%08X\n", (int)rv );
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}
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// Release item.
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base->Release();
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// Advance to next key.
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rv = values->Next();
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// Check result.
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if ( NS_SUCCEEDED( rv ) ) {
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} else {
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printf( "Error advancing enumerator, rv=0x%08X\n", (int)rv );
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break;
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}
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} else {
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printf( "Error getting current item, rv=0x%08X\n", (int)rv );
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break;
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}
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}
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values->Release();
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} else {
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printf( "\t\tError enumerating values, rv=0x%08X\n", (int)rv );
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}
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return;
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}
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static void printString( const char *value, int /*indent*/ ) {
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// For now, just dump contents.
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printf( "\t = %s", value );
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return;
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}
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