mirror of
https://github.com/mozilla/gecko-dev.git
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302 lines
8.5 KiB
C++
302 lines
8.5 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 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 Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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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.
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*
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* The Initial Developer of the Original Code is IBM Corporation.
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* Portions created by IBM Corporation are Copyright (C) 2003
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* IBM Corporation. All Rights Reserved.
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*
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* Contributor(s):
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* Darin Fisher <darin@meer.net>
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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 MPL, 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 MPL, 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 <stdlib.h>
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#ifdef XP_WIN
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#include <windows.h>
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#endif
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#include "nsXULAppAPI.h"
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#include "nsAppRunner.h"
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#include "nsINIParser.h"
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#include "nsILocalFile.h"
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#include "nsCOMPtr.h"
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#include "nsMemory.h"
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#include "nsBuildID.h"
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#include "plstr.h"
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#include "prprf.h"
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/**
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* Return true if |arg| matches the given argument name.
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*/
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static PRBool IsArg(const char* arg, const char* s)
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{
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if (*arg == '-')
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{
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if (*++arg == '-')
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++arg;
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return !PL_strcasecmp(arg, s);
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}
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#if defined(XP_WIN) || defined(XP_OS2)
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if (*arg == '/')
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return !PL_strcasecmp(++arg, s);
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#endif
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return PR_FALSE;
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}
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/**
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* Version checking.
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*/
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static PRUint32 geckoVersion = 0;
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static PRUint32 ParseVersion(const char *versionStr)
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{
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PRUint16 major, minor;
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if (PR_sscanf(versionStr, "%hu.%hu", &major, &minor) != 2) {
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NS_WARNING("invalid version string");
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return 0;
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}
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return PRUint32(major) << 16 | PRUint32(minor);
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}
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static PRBool CheckMinVersion(const char *versionStr)
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{
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PRUint32 v = ParseVersion(versionStr);
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return geckoVersion >= v;
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}
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static PRBool CheckMaxVersion(const char *versionStr)
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{
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PRUint32 v = ParseVersion(versionStr);
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return geckoVersion <= v;
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}
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/**
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* Parse application data.
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*/
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static const nsXREAppData* LoadAppData(const char* appDataFile)
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{
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static char vendor[256], name[256], version[32], buildID[32], copyright[512];
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static nsXREAppData data = {
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vendor, name, version, buildID, {0,0,0,{0,0,0,0,0,0,0,0}}, copyright, 0 };
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nsCOMPtr<nsILocalFile> lf;
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XRE_GetFileFromPath(appDataFile, getter_AddRefs(lf));
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if (!lf)
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return nsnull;
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nsINIParser parser;
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if (NS_FAILED(parser.Init(lf)))
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return nsnull;
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nsresult rv;
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// Gecko version checking
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//
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// TODO: If these version checks fail, then look for a compatible XULRunner
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// version on the system, and launch it instead.
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char gkVersion[32];
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rv = parser.GetString("Gecko", "MinVersion", gkVersion, sizeof(gkVersion));
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if (NS_FAILED(rv) || !CheckMinVersion(gkVersion)) {
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fprintf(stderr, "Error: Gecko MinVersion requirement not met.\n");
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return nsnull;
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}
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rv = parser.GetString("Gecko", "MaxVersion", gkVersion, sizeof(gkVersion));
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if (NS_SUCCEEDED(rv) && !CheckMaxVersion(gkVersion)) {
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fprintf(stderr, "Error: Gecko MaxVersion requirement not met.\n");
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return nsnull;
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}
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// Read the app ID, if specified
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char id[38] = "";
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rv = parser.GetString("App", "ID", id, sizeof(id));
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if (NS_SUCCEEDED(rv)) {
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if(!data.id.Parse(id)) {
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memset(&data.id, 0, sizeof(data.id));
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}
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}
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PRUint32 i;
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// Read string-valued fields
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const struct {
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const char* key;
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char* buf;
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size_t bufLen;
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PRBool required;
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} string_fields[] = {
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{ "Vendor", vendor, sizeof(vendor), PR_FALSE },
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{ "Name", name, sizeof(name), PR_TRUE },
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{ "Version", version, sizeof(version), PR_FALSE },
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{ "BuildID", buildID, sizeof(buildID), PR_TRUE },
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{ "Copyright", copyright, sizeof(copyright), PR_FALSE }
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};
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for (i = 0; i < NS_ARRAY_LENGTH(string_fields); ++i) {
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rv = parser.GetString("App", string_fields[i].key, string_fields[i].buf,
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string_fields[i].bufLen);
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if (NS_FAILED(rv)) {
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if (string_fields[i].required) {
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fprintf(stderr, "Error: %x: No \"%s\" field.\n", rv,
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string_fields[i].key);
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return nsnull;
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} else {
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string_fields[i].buf[0] = '\0';
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}
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}
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}
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// Read boolean-valued fields
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const struct {
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const char* key;
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PRUint32 flag;
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} boolean_fields[] = {
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{ "EnableProfileMigrator", NS_XRE_ENABLE_PROFILE_MIGRATOR },
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{ "EnableExtensionManager", NS_XRE_ENABLE_EXTENSION_MANAGER }
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};
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char buf[6]; // large enough to hold "false"
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data.flags = 0;
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for (i = 0; i < NS_ARRAY_LENGTH(boolean_fields); ++i) {
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rv = parser.GetString("XRE", boolean_fields[i].key, buf, sizeof(buf));
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// accept a truncated result since we are only interested in the
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// first character. this is designed to allow the possibility of
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// expanding these boolean attributes to express additional options.
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if ((NS_SUCCEEDED(rv) || rv == NS_ERROR_LOSS_OF_SIGNIFICANT_DATA) &&
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(buf[0] == '1' || buf[0] == 't' || buf[0] == 'T')) {
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data.flags |= boolean_fields[i].flag;
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}
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}
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#ifdef DEBUG
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printf("---------------------------------------------------------\n");
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printf(" Vendor %s\n", data.appVendor);
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printf(" Name %s\n", data.appName);
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printf(" Version %s\n", data.appVersion);
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printf(" BuildID %s\n", data.appBuildID);
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printf(" Copyright %s\n", data.copyright);
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printf(" Flags %08x\n", data.flags);
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printf("---------------------------------------------------------\n");
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#endif
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return &data;
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}
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int main(int argc, char* argv[])
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{
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if (argc == 1 || IsArg(argv[1], "h")
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|| IsArg(argv[1], "help")
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|| IsArg(argv[1], "?"))
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{
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printf("Usage: " XULRUNNER_PROGNAME " [OPTIONS] [APP-FILE [APP-OPTIONS...]]\n");
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if (argc > 1)
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{
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// display additional information (XXX make localizable)
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printf("\n"
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"OPTIONS\n"
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" --app specify APP-FILE (optional)\n"
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" -h, --help show this message\n"
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" -v, --version show version\n"
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"\n"
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"APP-FILE\n"
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" Application initialization file.\n"
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"\n"
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"APP-OPTIONS\n"
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" Application specific options.\n");
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}
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return 0;
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}
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if (argc == 2 && (IsArg(argv[1], "v") || IsArg(argv[1], "version")))
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{
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printf("Mozilla XULRunner %s %d\n", MOZILLA_VERSION, BUILD_ID);
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return 0;
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}
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geckoVersion = ParseVersion(GRE_BUILD_ID);
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PRBool hasAppOption;
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const char *appDataFile;
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if (IsArg(argv[1], "app"))
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{
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if (argc == 2)
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{
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fprintf(stderr, "Error: APP-FILE must be specified!\n");
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return 1;
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}
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hasAppOption = PR_TRUE;
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appDataFile = argv[2];
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}
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else
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{
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hasAppOption = PR_FALSE;
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appDataFile = argv[1];
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}
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const nsXREAppData *appData = LoadAppData(appDataFile);
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if (!appData)
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{
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fprintf(stderr, "Error: Invalid or missing application data!\n");
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return 1;
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}
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char **argv2 = NULL;
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if (!hasAppOption)
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{
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// fixup argv to start with -app.
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argv2 = (char **) malloc(sizeof(char*) * (argc + 2));
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argv2[0] = argv[0];
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argv2[1] = "-app";
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for (int i=1; i<argc; ++i)
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argv2[i+1] = argv[i];
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argv2[argc+1] = NULL;
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argv = argv2;
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argc++;
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}
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int rv = XRE_main(argc, argv, appData);
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if (argv2)
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free(argv2);
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return rv;
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}
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#if defined( XP_WIN ) && defined( WIN32 ) && !defined(__GNUC__)
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// We need WinMain in order to not be a console app. This function is
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// unused if we are a console application.
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int WINAPI WinMain( HINSTANCE, HINSTANCE, LPSTR args, int )
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{
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// Do the real work.
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return main( __argc, __argv );
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}
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#endif
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