gecko-dev/xulrunner/stub/nsXULStub.cpp

224 строки
6.1 KiB
C++

/* ***** 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
#ifdef XP_WIN
#include <windows.h>
#include <io.h>
#define snprintf _snprintf
#define PATH_SEPARATOR_CHAR '\\'
#define XULRUNNER_BIN "xulrunner.exe"
#include "nsWindowsRestart.cpp"
#define R_OK 04
#else
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#define PATH_SEPARATOR_CHAR '/'
#define XULRUNNER_BIN "xulrunner-bin"
#endif
#define VERSION_MAXLEN 128
int
main(int argc, char **argv)
{
nsresult rv;
char *lastSlash;
char iniPath[MAXPATHLEN];
char tmpPath[MAXPATHLEN];
#ifdef XP_WIN
if (!::GetModuleFileName(NULL, iniPath, sizeof(iniPath)))
return 1;
#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';
char greDir[MAXPATHLEN];
snprintf(greDir, sizeof(greDir),
"%sxulrunner" XPCOM_FILE_PATH_SEPARATOR XPCOM_DLL,
iniPath);
strncpy(lastSlash, "application.ini", sizeof(iniPath) - (lastSlash - iniPath));
nsINIParser parser;
rv = parser.Init(iniPath);
if (NS_FAILED(rv)) {
fprintf(stderr, "Could not read application.ini\n");
return 1;
}
if (access(greDir, R_OK) != 0) {
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] = "2";
GREVersionRange range = {
minVersion,
PR_TRUE,
maxVersion,
PR_FALSE
};
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/?
fprintf(stderr,
"Could not find compatible GRE between version %s and %s.\n",
range.lower, range.upper);
return 1;
}
}
lastSlash = strrchr(greDir, PATH_SEPARATOR_CHAR);
if (lastSlash) {
*lastSlash = '\0';
}
char **argv2 = (char**) malloc(sizeof(char*) * (argc + 2));
if (!argv2)
return 1;
char xulBin[MAXPATHLEN];
snprintf(xulBin, sizeof(xulBin),
"%s" XPCOM_FILE_PATH_SEPARATOR XULRUNNER_BIN, greDir);
#ifndef XP_WIN
setenv(XPCOM_SEARCH_KEY, greDir, 1);
#endif
argv2[0] = xulBin;
argv2[1] = iniPath;
for (int i = 1; i < argc; ++i)
argv2[i + 1] = argv[i];
argv2[argc + 1] = NULL;
#ifdef XP_WIN
BOOL ok = WinLaunchChild(xulBin, argc + 1, argv2);
free (argv2);
return !ok;
#else
execv(xulBin, argv2);
return 1;
#endif
}
#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