RetroZilla/xpcom/tools/registry/regxpcom.cpp
2015-10-20 23:03:22 -04:00

391 lines
10 KiB
C++

/* -*- Mode: C++; tab-width: 2; 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):
* Pierre Phaneuf <pp@ludusdesign.com>
* Mike Shaver <shaver@mozilla.org>
*
* 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 "stdlib.h"
#include "prenv.h"
#include "nspr.h"
#include "nsXPCOMPrivate.h" // for XPCOM_DLL defines.
#include "nsXPCOMGlue.h"
#include "nsIComponentManager.h"
#include "nsIComponentRegistrar.h"
#include "nsIServiceManager.h"
#include "nsCOMPtr.h"
#include "nsILocalFile.h"
#include "nsEmbedString.h"
#include "nsIDirectoryService.h"
#include "nsDirectoryServiceDefs.h"
static PRBool gUnreg = PR_FALSE, gQuiet = PR_FALSE;
static const char* gXPCOMLocation = nsnull;
static const char* gCompRegLocation = nsnull;
static const char* gXPTIDatLocation = nsnull;
class DirectoryServiceProvider : public nsIDirectoryServiceProvider
{
public:
DirectoryServiceProvider() {}
NS_DECL_ISUPPORTS
NS_DECL_NSIDIRECTORYSERVICEPROVIDER
private:
~DirectoryServiceProvider() {}
};
NS_IMPL_ISUPPORTS1(DirectoryServiceProvider, nsIDirectoryServiceProvider)
NS_IMETHODIMP
DirectoryServiceProvider::GetFile(const char *prop, PRBool *persistant, nsIFile **_retval)
{
nsCOMPtr<nsILocalFile> localFile;
nsresult rv = NS_ERROR_FAILURE;
*_retval = nsnull;
*persistant = PR_TRUE;
const char* fileLocation = nsnull;
if(strcmp(prop, NS_XPCOM_CURRENT_PROCESS_DIR) == 0 && gXPCOMLocation)
{
fileLocation = gXPCOMLocation;
}
else if(strcmp(prop, NS_XPCOM_COMPONENT_REGISTRY_FILE) == 0 && gCompRegLocation)
{
fileLocation = gCompRegLocation;
}
else if(strcmp(prop, NS_XPCOM_XPTI_REGISTRY_FILE) == 0 && gXPTIDatLocation)
{
fileLocation = gXPTIDatLocation;
}
else
return NS_ERROR_FAILURE;
rv = NS_NewNativeLocalFile(nsEmbedCString(fileLocation), PR_TRUE, getter_AddRefs(localFile));
if (NS_FAILED(rv)) return rv;
return localFile->QueryInterface(NS_GET_IID(nsIFile), (void**)_retval);
}
int startup_xpcom()
{
nsresult rv;
if (gXPCOMLocation) {
int len = strlen(gXPCOMLocation);
char* xpcomPath = (char*) malloc(len + sizeof(XPCOM_DLL) + sizeof(XPCOM_FILE_PATH_SEPARATOR) + 1);
sprintf(xpcomPath, "%s" XPCOM_FILE_PATH_SEPARATOR XPCOM_DLL, gXPCOMLocation);
rv = XPCOMGlueStartup(xpcomPath);
free(xpcomPath);
const char* path = getenv(XPCOM_SEARCH_KEY);
if (!path) {
path = "";
}
}
else
{
rv = XPCOMGlueStartup(nsnull);
}
if (NS_FAILED(rv))
{
printf("Can not initialize XPCOM Glue\n");
return -1;
}
DirectoryServiceProvider *provider = new DirectoryServiceProvider();
if ( !provider )
{
NS_WARNING("GRE_Startup failed");
XPCOMGlueShutdown();
return -1;
}
nsCOMPtr<nsILocalFile> file;
if (gXPCOMLocation)
{
rv = NS_NewNativeLocalFile(nsEmbedCString(gXPCOMLocation),
PR_TRUE,
getter_AddRefs(file));
}
NS_ADDREF(provider);
rv = NS_InitXPCOM2(nsnull, file, provider);
NS_RELEASE(provider);
if (NS_FAILED(rv)) {
printf("Can not initialize XPCOM\n");
XPCOMGlueShutdown();
return -1;
}
return 0;
}
void shutdown_xpcom()
{
nsresult rv;
rv = NS_ShutdownXPCOM(nsnull);
if (NS_FAILED(rv)) {
printf("Can not shutdown XPCOM cleanly\n");
}
rv = XPCOMGlueShutdown();
if (NS_FAILED(rv)) {
printf("Can not shutdown XPCOM Glue cleanly\n");
}
}
nsresult Register(const char *path)
{
startup_xpcom();
nsresult rv;
nsCOMPtr<nsILocalFile> spec;
if (path) {
rv = NS_NewNativeLocalFile(nsEmbedCString(path),
PR_TRUE,
getter_AddRefs(spec));
}
nsCOMPtr<nsIComponentRegistrar> registrar;
rv = NS_GetComponentRegistrar(getter_AddRefs(registrar));
if (NS_FAILED(rv)) {
printf("Can not aquire component registrar\n");
return rv;
}
if (gUnreg)
rv = registrar->AutoUnregister(spec);
else
rv = registrar->AutoRegister(spec);
spec = 0;
registrar = 0;
shutdown_xpcom();
return rv;
}
void ReportSuccess(const char *file)
{
if (gQuiet)
return;
if (gUnreg)
printf("Unregistration successful for %s\n", file);
else
printf("Registration successful for %s\n", file);
}
void ReportError(nsresult err, const char *file)
{
if (gUnreg)
printf("Unregistration failed: (");
else
printf("Registration failed: (");
switch (err)
{
case NS_ERROR_FACTORY_NOT_LOADED:
printf("Factory not loaded");
break;
case NS_NOINTERFACE:
printf("No Interface");
break;
case NS_ERROR_NULL_POINTER:
printf("Null pointer");
break;
case NS_ERROR_OUT_OF_MEMORY:
printf("Out of memory");
break;
default:
printf("%x", (unsigned)err);
}
printf(") %s\n", file);
}
void printHelp()
{
printf(
"Mozilla regxpcom - a registration tool for xpcom components \n"
" \n"
"Usage: regxpcom [options] [file-or-directory] \n"
" \n"
"Options: \n"
" -x path Specifies the location of a directory containing the \n"
" xpcom library which will be used when registering new \n"
" component libraries. This path will also be added to \n"
" the \"load library\" path. If not specified, the \n"
" current working directory will be used. \n"
" -c path Specifies the location of the compreg.dat file. If \n"
" not specifed, the compreg.dat file will be in its \n"
" default location. \n"
" -d path Specifies the location of the xpti.dat file. If not \n"
" specifed, the xpti.dat file will be in its default \n"
" location. \n"
" -a Option to register all files in the default component \n"
" directories. This is the default behavior if regxpcom \n"
" is called without any arguments. \n"
" -h Displays this help screen. Must be the only option \n"
" specified. \n"
" -u Option to uninstall the files-or-directory instead of \n"
" registering them. \n"
" -q Quiets some of the output of regxpcom. \n\n");
}
int ProcessArgs(int argc, char *argv[])
{
int i = 1, result = 0;
nsresult res;
while (i < argc)
{
if (argv[i][0] == '-')
{
int j;
for (j = 1; argv[i][j] != '\0'; j++)
{
switch (argv[i][j])
{
case 'h':
printHelp();
return 0; // we are all done!
case 'u':
gUnreg = PR_TRUE;
break;
case 'q':
gQuiet = PR_TRUE;
break;
case 'a':
{
res = Register(nsnull);
if (NS_FAILED(res))
{
ReportError(res, "component directory");
result = -1;
}
else
{
ReportSuccess("component directory");
}
}
break;
case 'x':
gXPCOMLocation = argv[++i];
j = strlen(gXPCOMLocation) - 1;
break;
case 'c':
gCompRegLocation = argv[++i];
j = strlen(gCompRegLocation) - 1;
break;
case 'd':
gXPTIDatLocation = argv[++i];
j = strlen(gXPTIDatLocation) - 1;
break;
default:
printf("Unknown option '%c'\n", argv[i][j]);
}
}
}
else
{
res = Register(argv[i]);
if (NS_FAILED(res))
{
ReportError(res, argv[i]);
result = -1;
}
else
{
ReportSuccess(argv[i]);
}
}
i++;
}
return result;
}
int main(int argc, char *argv[])
{
int ret;
nsresult rv;
/* With no arguments, regxpcom will autoregister */
if (argc <= 1)
{
startup_xpcom();
nsCOMPtr<nsIComponentRegistrar> registrar;
rv = NS_GetComponentRegistrar(getter_AddRefs(registrar));
if (NS_FAILED(rv)) {
printf("Can not aquire component registrar\n");
return -1;
}
rv = registrar->AutoRegister(nsnull);
ret = (NS_FAILED(rv)) ? -1 : 0;
registrar = 0;
shutdown_xpcom();
} else
ret = ProcessArgs(argc, argv);
return ret;
}