/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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 ***** */
#include <stdio.h>
#include "nsIServiceManager.h"
#include "nsIComponentManager.h"
#include "nsCOMPtr.h"
#include "nsIRegistry.h"
#include "nsIEnumerator.h"
#include "nsILocalFile.h"
#include "nsDependentString.h"
#include "prmem.h"
#include "plstr.h"
#include "nsMemory.h"
static void display( nsIRegistry *reg, nsRegistryKey root, const char *name );
static void displayValues( nsIRegistry *reg, nsRegistryKey root );
static void printString( const char *value, int indent );
int main( int argc, char *argv[] ) {
#ifdef __MWERKS__
// Hack in some arguments. A NULL registry name is supposed to tell libreg
// to use the default registry (which does seem to work).
argc = 1;
const char* myArgs[] =
{
"regExport"
};
argv = const_cast<char**>(myArgs);
#endif
nsresult rv;
// Initialize XPCOM
nsIServiceManager *servMgr = NULL;
rv = NS_InitXPCOM2(&servMgr, NULL, NULL);
if (NS_FAILED(rv))
{
// Cannot initialize XPCOM
printf("Cannot initialize XPCOM. Exit. [rv=0x%08X]\n", (int)rv);
exit(-1);
}
{
// Get the component manager
static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
nsCOMPtr<nsIComponentManager> compMgr = do_GetService(kComponentManagerCID, &rv);
if (NS_FAILED(rv))
{
// Cant get component manager
printf("Cannot get component manager from service manager.. Exit. [rv=0x%08X]\n", (int)rv);
exit(-1);
}
nsIRegistry *reg;
if (argc>1) {
// Create the registry
rv = compMgr->CreateInstanceByContractID(NS_REGISTRY_CONTRACTID, NULL,
NS_GET_IID(nsIRegistry),
(void **) &reg);
// Check result.
if ( NS_FAILED(rv) )
{
printf( "Error opening registry file %s, rv=0x%08X\n", argv[1] , (int)rv );
return rv;
}
// Open it against the input file name.
nsCOMPtr<nsILocalFile> regFile;
rv = NS_NewNativeLocalFile( nsDependentCString(argv[1]), PR_FALSE, getter_AddRefs(regFile) );
if ( NS_FAILED(rv) ) {
printf( "Error instantiating local file for %s, rv=0x%08X\n", argv[1], (int)rv );
return rv;
}
rv = reg->Open( regFile );
if ( rv == NS_OK )
{
printf( "Registry %s opened OK.\n", argv[1] );
// Recurse over all 3 branches.
display( reg, nsIRegistry::Common, "nsRegistry::Common" );
display( reg, nsIRegistry::Users, "nsRegistry::Users" );
}
NS_RELEASE(reg);
}
else
{
// Called with no arguments. Print both the default registry and
// the components registry. We already printed the default regsitry.
// So just do the component registry.
rv = compMgr->CreateInstanceByContractID(NS_REGISTRY_CONTRACTID, NULL,
NS_GET_IID(nsIRegistry),
(void **) &reg);
// Check result.
if ( NS_FAILED(rv) )
{
printf( "Error opening creating registry instance, rv=0x%08X\n", (int)rv );
return rv;
}
rv = reg->OpenWellKnownRegistry(nsIRegistry::ApplicationComponentRegistry);
if ( rv == NS_ERROR_REG_BADTYPE ) {
printf( "\n\n\nThere is no <Application Component Registry>\n" );
}
else if ( rv == NS_OK ) {
printf( "\n\n\nRegistry %s opened OK.\n", "<Application Component Registry>\n" );
// Recurse over all 3 branches.
display( reg, nsIRegistry::Common, "nsRegistry::Common" );
display( reg, nsIRegistry::Users, "nsRegistry::Users" );
}
NS_RELEASE(reg);
}
}
NS_ShutdownXPCOM( servMgr );
return rv;
}
void display( nsIRegistry *reg, nsRegistryKey root, const char *rootName ) {
// Print out key name.
printf( "%s\n", rootName );
// Make sure it isn't a "root" key.
if ( root != nsIRegistry::Common
&&
root != nsIRegistry::Users
&&
root != nsIRegistry::CurrentUser ) {
// Print values stored under this key.
displayValues( reg, root );
}
// Enumerate all subkeys (immediately) under the given node.
nsIEnumerator *keys;
nsresult rv = reg->EnumerateSubtrees( root, &keys );
// Check result.
if ( rv == NS_OK ) {
// Set enumerator to beginning.
rv = keys->First();
// Enumerate subkeys till done.
while( NS_SUCCEEDED( rv ) && (NS_OK != keys->IsDone()) ) {
nsISupports *base;
rv = keys->CurrentItem( &base );
// Test result.
if ( rv == NS_OK ) {
// Get specific interface.
nsIRegistryNode *node;
nsIID nodeIID = NS_IREGISTRYNODE_IID;
rv = base->QueryInterface( nodeIID, (void**)&node );
// Test that result.
if ( rv == NS_OK ) {
// Get node name.
char *name;
rv = node->GetNameUTF8( &name );
// Test result.
if ( rv == NS_OK ) {
// Build complete name.
char *fullName = new char[ PL_strlen(rootName) + PL_strlen(name) + 5 ];
PL_strcpy( fullName, rootName );
PL_strcat( fullName, " - " );
PL_strcat( fullName, name );
// Display contents under this subkey.
nsRegistryKey key;
rv = reg->GetSubtreeRaw( root, name, &key );
if ( rv == NS_OK ) {
display( reg, key, fullName );
printf( "\n" );
} else {
printf( "Error getting key, rv=0x%08X\n", (int)rv );
}
delete [] fullName;
} else {
printf( "Error getting subtree name, rv=0x%08X\n", (int)rv );
}
// Release node.
node->Release();
} else {
printf( "Error converting base node ptr to nsIRegistryNode, rv=0x%08X\n", (int)rv );
}
// Release item.
base->Release();
// Advance to next key.
rv = keys->Next();
// Check result.
if ( NS_SUCCEEDED( rv ) ) {
} else {
printf( "Error advancing enumerator, rv=0x%08X\n", (int)rv );
}
} else {
printf( "Error getting current item, rv=0x%08X\n", (int)rv );
}
}
// Release key enumerator.
keys->Release();
} else {
printf( "Error creating enumerator for %s, root=0x%08X, rv=0x%08X\n",
rootName, (int)root, (int)rv );
}
return;
}
static void displayValues( nsIRegistry *reg, nsRegistryKey root ) {
// Emumerate values at this registry location.
nsIEnumerator *values;
nsresult rv = reg->EnumerateValues( root, &values );
// Check result.
if ( rv == NS_OK ) {
// Go to beginning.
rv = values->First();
// Enumerate values till done.
while( rv == NS_OK && (NS_OK != values->IsDone()) ) {
nsISupports *base;
rv = values->CurrentItem( &base );
// Test result.
if ( rv == NS_OK ) {
// Get specific interface.
nsIRegistryValue *value;
nsIID valueIID = NS_IREGISTRYVALUE_IID;
rv = base->QueryInterface( valueIID, (void**)&value );
// Test that result.
if ( rv == NS_OK ) {
// Get node name.
char *name;
rv = value->GetNameUTF8( &name );
// Test result.
if ( rv == NS_OK ) {
// Print name:
printf( "\t\t%s", name );
// Get info about this value.
PRUint32 type;
rv = reg->GetValueType( root, name, &type );
if ( rv == NS_OK ) {
// Print value contents.
switch ( type ) {
case nsIRegistry::String: {
char *strValue;
rv = reg->GetStringUTF8( root, name, &strValue );
if ( rv == NS_OK ) {
printString( strValue, strlen(name) );
nsMemory::Free( strValue );
} else {
printf( "\t Error getting string value, rv=0x%08X", (int)rv );
}
}
break;
case nsIRegistry::Int32:
{
PRInt32 val = 0;
rv = reg->GetInt( root, name, &val );
if (NS_SUCCEEDED(rv)) {
printf( "\t= Int32 [%d, 0x%x]", val, val);
}
else {
printf( "\t Error getting int32 value, rv=%08X", (int)rv);
}
}
break;
case nsIRegistry::Bytes:
printf( "\t= Bytes" );
break;
case nsIRegistry::File:
printf( "\t= File (?)" );
break;
default:
printf( "\t= ? (unknown type=0x%02X)", (int)type );
break;
}
} else {
printf( "\t= ? (error getting value, rv=0x%08X)", (int)rv );
}
printf("\n");
nsMemory::Free( name );
} else {
printf( "Error getting value name, rv=0x%08X\n", (int)rv );
}
// Release node.
value->Release();
} else {
printf( "Error converting base node ptr to nsIRegistryNode, rv=0x%08X\n", (int)rv );
}
// Release item.
base->Release();
// Advance to next key.
rv = values->Next();
// Check result.
if ( NS_SUCCEEDED( rv ) ) {
} else {
printf( "Error advancing enumerator, rv=0x%08X\n", (int)rv );
break;
}
} else {
printf( "Error getting current item, rv=0x%08X\n", (int)rv );
break;
}
}
values->Release();
} else {
printf( "\t\tError enumerating values, rv=0x%08X\n", (int)rv );
}
return;
}
static void printString( const char *value, int /*indent*/ ) {
// For now, just dump contents.
printf( "\t = %s", value );
return;
}