gecko/xulrunner/stub/nsXULStub.cpp

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/* ***** 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 XULRunner.
*
* The Initial Developer of the Original Code is
* Benjamin Smedberg <benjamin@smedbergs.us>
*
* Portions created by the Initial Developer are Copyright (C) 2005
* the Mozilla Foundation <http://www.mozilla.org/>. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either 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 "nsXPCOMGlue.h"
#include "nsINIParser.h"
#include "prtypes.h"
#include "nsXPCOMPrivate.h" // for XP MAXPATHLEN
#include "nsMemory.h" // for NS_ARRAY_LENGTH
#include "nsXULAppAPI.h"
#include "nsILocalFile.h"
#include <stdarg.h>
#ifdef XP_WIN
#include <windows.h>
#include <io.h>
#define snprintf _snprintf
#define vsnprintf _vsnprintf
#define PATH_SEPARATOR_CHAR '\\'
#include "nsWindowsRestart.cpp"
#define R_OK 04
#elif defined(XP_MACOSX)
#include <CFBundle.h>
#define PATH_SEPARATOR_CHAR '/'
#elif defined (XP_OS2)
#define INCL_DOS
#define INCL_DOSMISC
#define INCL_DOSERRORS
#include <os2.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#define PATH_SEPARATOR_CHAR '\\'
#else
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#define PATH_SEPARATOR_CHAR '/'
#endif
#define VERSION_MAXLEN 128
static void Output(PRBool isError, const char *fmt, ... )
{
va_list ap;
va_start(ap, fmt);
#if defined(XP_WIN) && !MOZ_WINCONSOLE
char msg[2048];
vsnprintf(msg, sizeof(msg), fmt, ap);
UINT flags = MB_OK;
if (isError)
flags |= MB_ICONERROR;
else
flags |= MB_ICONINFORMATION;
MessageBox(NULL, msg, "XULRunner", flags);
#else
vfprintf(stderr, fmt, ap);
#endif
va_end(ap);
}
class AutoAppData
{
public:
AutoAppData(nsILocalFile* aINIFile) : mAppData(nsnull) {
nsresult rv = XRE_CreateAppData(aINIFile, &mAppData);
if (NS_FAILED(rv))
mAppData = nsnull;
}
~AutoAppData() {
if (mAppData)
XRE_FreeAppData(mAppData);
}
operator nsXREAppData*() const { return mAppData; }
nsXREAppData* operator -> () const { return mAppData; }
private:
nsXREAppData* mAppData;
};
XRE_CreateAppDataType XRE_CreateAppData;
XRE_FreeAppDataType XRE_FreeAppData;
XRE_mainType XRE_main;
int
main(int argc, char **argv)
{
nsresult rv;
char *lastSlash;
char iniPath[MAXPATHLEN];
char tmpPath[MAXPATHLEN];
char greDir[MAXPATHLEN];
PRBool greFound = PR_FALSE;
#if defined(XP_MACOSX)
CFBundleRef appBundle = CFBundleGetMainBundle();
if (!appBundle)
return 1;
CFURLRef resourcesURL = CFBundleCopyResourcesDirectoryURL(appBundle);
if (!resourcesURL)
return 1;
CFURLRef absResourcesURL = CFURLCopyAbsoluteURL(resourcesURL);
CFRelease(resourcesURL);
if (!absResourcesURL)
return 1;
CFURLRef iniFileURL =
CFURLCreateCopyAppendingPathComponent(kCFAllocatorDefault,
absResourcesURL,
CFSTR("application.ini"),
false);
CFRelease(absResourcesURL);
if (!iniFileURL)
return 1;
CFStringRef iniPathStr =
CFURLCopyFileSystemPath(iniFileURL, kCFURLPOSIXPathStyle);
CFRelease(iniFileURL);
if (!iniPathStr)
return 1;
CFStringGetCString(iniPathStr, iniPath, sizeof(iniPath),
kCFStringEncodingUTF8);
CFRelease(iniPathStr);
#else
#ifdef XP_WIN
if (!::GetModuleFileName(NULL, iniPath, sizeof(iniPath)))
return 1;
#elif defined(XP_OS2)
PPIB ppib;
PTIB ptib;
DosGetInfoBlocks(&ptib, &ppib);
DosQueryModuleName(ppib->pib_hmte, sizeof(iniPath), iniPath);
#else
// on unix, there is no official way to get the path of the current binary.
// instead of using the MOZILLA_FIVE_HOME hack, which doesn't scale to
// multiple applications, we will try a series of techniques:
//
// 1) use realpath() on argv[0], which works unless we're loaded from the
// PATH
// 2) manually walk through the PATH and look for ourself
// 3) give up
struct stat fileStat;
if (!realpath(argv[0], iniPath) || stat(iniPath, &fileStat)) {
const char *path = getenv("PATH");
if (!path)
return 1;
char *pathdup = strdup(path);
if (!pathdup)
return 1;
PRBool found = PR_FALSE;
char *token = strtok(pathdup, ":");
while (token) {
sprintf(tmpPath, "%s/%s", token, argv[0]);
if (realpath(tmpPath, iniPath) && stat(iniPath, &fileStat) == 0) {
found = PR_TRUE;
break;
}
token = strtok(NULL, ":");
}
free (pathdup);
if (!found)
return 1;
}
#endif
lastSlash = strrchr(iniPath, PATH_SEPARATOR_CHAR);
if (!lastSlash)
return 1;
*(++lastSlash) = '\0';
// On Linux/Win, look for XULRunner in appdir/xulrunner
snprintf(greDir, sizeof(greDir),
"%sxulrunner" XPCOM_FILE_PATH_SEPARATOR XPCOM_DLL,
iniPath);
greFound = (access(greDir, R_OK) == 0);
strncpy(lastSlash, "application.ini", sizeof(iniPath) - (lastSlash - iniPath));
#endif
nsINIParser parser;
rv = parser.Init(iniPath);
if (NS_FAILED(rv)) {
fprintf(stderr, "Could not read application.ini\n");
return 1;
}
if (!greFound) {
char minVersion[VERSION_MAXLEN];
// If a gecko maxVersion is not specified, we assume that the app uses only
// frozen APIs, and is therefore compatible with any xulrunner 1.x.
char maxVersion[VERSION_MAXLEN] = "1.*";
GREVersionRange range = {
minVersion,
PR_TRUE,
maxVersion,
PR_TRUE
};
rv = parser.GetString("Gecko", "MinVersion", minVersion, sizeof(minVersion));
if (NS_FAILED(rv)) {
fprintf(stderr,
"The application.ini does not specify a [Gecko] MinVersion\n");
return 1;
}
rv = parser.GetString("Gecko", "MaxVersion", maxVersion, sizeof(maxVersion));
if (NS_SUCCEEDED(rv))
range.upperInclusive = PR_TRUE;
static const GREProperty kProperties[] = {
{ "xulrunner", "true" }
};
rv = GRE_GetGREPathWithProperties(&range, 1,
kProperties, NS_ARRAY_LENGTH(kProperties),
greDir, sizeof(greDir));
if (NS_FAILED(rv)) {
// XXXbsmedberg: Do something much smarter here: notify the
// user/offer to download/?
Output(PR_FALSE,
"Could not find compatible GRE between version %s and %s.\n",
range.lower, range.upper);
return 1;
}
}
#ifdef XP_OS2
// On OS/2 we need to set BEGINLIBPATH to be able to find XULRunner DLLs
strcpy(tmpPath, greDir);
lastSlash = strrchr(tmpPath, PATH_SEPARATOR_CHAR);
if (lastSlash) {
*lastSlash = '\0';
}
DosSetExtLIBPATH(tmpPath, BEGIN_LIBPATH);
#endif
rv = XPCOMGlueStartup(greDir);
if (NS_FAILED(rv)) {
Output(PR_TRUE, "Couldn't load XPCOM.\n");
return 1;
}
static const nsDynamicFunctionLoad kXULFuncs[] = {
{ "XRE_CreateAppData", (NSFuncPtr*) &XRE_CreateAppData },
{ "XRE_FreeAppData", (NSFuncPtr*) &XRE_FreeAppData },
{ "XRE_main", (NSFuncPtr*) &XRE_main },
{ nsnull, nsnull }
};
rv = XPCOMGlueLoadXULFunctions(kXULFuncs);
if (NS_FAILED(rv)) {
Output(PR_TRUE, "Couldn't load XRE functions.\n");
return 1;
}
NS_LogInit();
int retval;
{ // Scope COMPtr and AutoAppData
nsCOMPtr<nsILocalFile> iniFile;
rv = NS_NewNativeLocalFile(nsDependentCString(iniPath), PR_FALSE,
getter_AddRefs(iniFile));
if (NS_FAILED(rv)) {
Output(PR_TRUE, "Couldn't find application.ini file.\n");
return 1;
}
AutoAppData appData(iniFile);
if (!appData) {
Output(PR_TRUE, "Error: couldn't parse application.ini.\n");
return 1;
}
NS_ASSERTION(!appData->directory, "Parsed app directory?");
// chop "application.ini" off the path again
lastSlash = strrchr(iniPath, PATH_SEPARATOR_CHAR);
*lastSlash = '\0';
NS_NewNativeLocalFile(nsDependentCString(iniPath), PR_FALSE,
&appData->directory);
if (!appData->xreDirectory) {
// chop "libxul.so" off the GRE path
lastSlash = strrchr(greDir, PATH_SEPARATOR_CHAR);
if (lastSlash) {
*lastSlash = '\0';
}
NS_NewNativeLocalFile(nsDependentCString(greDir), PR_FALSE,
&appData->xreDirectory);
}
retval = XRE_main(argc, argv, appData);
}
NS_LogTerm();
XPCOMGlueShutdown();
return retval;
}
#if defined( XP_WIN ) && defined( WIN32 ) && !defined(__GNUC__)
// We need WinMain in order to not be a console app. This function is
// unused if we are a console application.
int WINAPI WinMain( HINSTANCE, HINSTANCE, LPSTR args, int )
{
// Do the real work.
return main( __argc, __argv );
}
#endif