зеркало из https://github.com/mozilla/gecko-dev.git
304 строки
7.1 KiB
C++
304 строки
7.1 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsXULAppAPI.h"
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#include "nsXPCOMGlue.h"
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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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#define snprintf _snprintf
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#define strcasecmp _stricmp
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#endif
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#include "nsAppRunner.h"
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#include "nsIFile.h"
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#include "nsCOMPtr.h"
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#include "nsMemory.h"
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#include "nsCRTGlue.h"
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#include "nsStringAPI.h"
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#include "nsServiceManagerUtils.h"
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#include "plstr.h"
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#include "prprf.h"
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#include "prenv.h"
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#include "nsINIParser.h"
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#ifdef XP_WIN
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#include "nsWindowsWMain.cpp"
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#endif
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#include "BinaryPath.h"
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#include "nsXPCOMPrivate.h" // for MAXPATHLEN and XPCOM_DLL
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using namespace mozilla;
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/**
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* Output a string to the user. This method is really only meant to be used to
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* output last-ditch error messages designed for developers NOT END USERS.
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*
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* @param isError
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* Pass true to indicate severe errors.
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* @param fmt
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* printf-style format string followed by arguments.
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*/
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static void Output(bool isError, const char *fmt, ... )
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{
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va_list ap;
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va_start(ap, fmt);
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#if (defined(XP_WIN) && !MOZ_WINCONSOLE)
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char16_t msg[2048];
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_vsnwprintf(msg, sizeof(msg)/sizeof(msg[0]), NS_ConvertUTF8toUTF16(fmt).get(), ap);
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UINT flags = MB_OK;
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if (isError)
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flags |= MB_ICONERROR;
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else
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flags |= MB_ICONINFORMATION;
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MessageBoxW(nullptr, msg, L"XULRunner", flags);
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#else
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vfprintf(stderr, fmt, ap);
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#endif
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va_end(ap);
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}
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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 bool 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 !strcasecmp(arg, s);
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}
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#if defined(XP_WIN)
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if (*arg == '/')
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return !strcasecmp(++arg, s);
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#endif
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return false;
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}
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static nsresult
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GetGREVersion(const char *argv0,
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nsACString *aMilestone,
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nsACString *aVersion)
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{
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if (aMilestone)
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aMilestone->AssignLiteral("<Error>");
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if (aVersion)
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aVersion->AssignLiteral("<Error>");
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nsCOMPtr<nsIFile> iniFile;
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nsresult rv = BinaryPath::GetFile(argv0, getter_AddRefs(iniFile));
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if (NS_FAILED(rv))
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return rv;
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iniFile->SetNativeLeafName(NS_LITERAL_CSTRING("platform.ini"));
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nsINIParser parser;
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rv = parser.Init(iniFile);
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if (NS_FAILED(rv))
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return rv;
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if (aMilestone) {
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rv = parser.GetString("Build", "Milestone", *aMilestone);
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if (NS_FAILED(rv))
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return rv;
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}
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if (aVersion) {
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rv = parser.GetString("Build", "BuildID", *aVersion);
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if (NS_FAILED(rv))
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return rv;
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}
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return NS_OK;
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}
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/**
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* A helper class which calls NS_LogInit/NS_LogTerm in its scope.
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*/
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class ScopedLogging
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{
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public:
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ScopedLogging() { NS_LogInit(); }
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~ScopedLogging() { NS_LogTerm(); }
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};
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static void Usage(const char *argv0)
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{
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nsAutoCString milestone;
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GetGREVersion(argv0, &milestone, nullptr);
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// display additional information (XXX make localizable?)
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Output(false,
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"Mozilla XULRunner %s\n\n"
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"Usage: " XULRUNNER_PROGNAME " [OPTIONS]\n"
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" " XULRUNNER_PROGNAME " APP-FILE [APP-OPTIONS...]\n"
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"\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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" --gre-version print the GRE version string on stdout\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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milestone.get());
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}
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XRE_GetFileFromPathType XRE_GetFileFromPath;
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XRE_CreateAppDataType XRE_CreateAppData;
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XRE_FreeAppDataType XRE_FreeAppData;
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XRE_mainType XRE_main;
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static const nsDynamicFunctionLoad kXULFuncs[] = {
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{ "XRE_GetFileFromPath", (NSFuncPtr*) &XRE_GetFileFromPath },
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{ "XRE_CreateAppData", (NSFuncPtr*) &XRE_CreateAppData },
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{ "XRE_FreeAppData", (NSFuncPtr*) &XRE_FreeAppData },
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{ "XRE_main", (NSFuncPtr*) &XRE_main },
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{ nullptr, nullptr }
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};
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class AutoAppData
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{
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public:
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AutoAppData(nsIFile* aINIFile) : mAppData(nullptr) {
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nsresult rv = XRE_CreateAppData(aINIFile, &mAppData);
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if (NS_FAILED(rv))
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mAppData = nullptr;
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}
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~AutoAppData() {
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if (mAppData)
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XRE_FreeAppData(mAppData);
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}
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operator nsXREAppData*() const { return mAppData; }
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nsXREAppData* operator -> () const { return mAppData; }
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private:
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nsXREAppData* mAppData;
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};
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int main(int argc, char* argv[])
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{
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char exePath[MAXPATHLEN];
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nsresult rv = mozilla::BinaryPath::Get(argv[0], exePath);
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if (NS_FAILED(rv)) {
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Output(true, "Couldn't calculate the application directory.\n");
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return 255;
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}
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char *lastSlash = strrchr(exePath, XPCOM_FILE_PATH_SEPARATOR[0]);
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if (!lastSlash || (size_t(lastSlash - exePath) > MAXPATHLEN - sizeof(XPCOM_DLL) - 1))
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return 255;
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strcpy(++lastSlash, XPCOM_DLL);
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rv = XPCOMGlueStartup(exePath);
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if (NS_FAILED(rv)) {
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Output(true, "Couldn't load XPCOM.\n");
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return 255;
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}
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ScopedLogging log;
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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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Usage(argv[0]);
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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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nsAutoCString milestone;
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nsAutoCString version;
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GetGREVersion(argv[0], &milestone, &version);
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Output(false, "Mozilla XULRunner %s - %s\n",
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milestone.get(), version.get());
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return 0;
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}
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rv = XPCOMGlueLoadXULFunctions(kXULFuncs);
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if (NS_FAILED(rv)) {
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Output(true, "Couldn't load XRE functions.\n");
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return 255;
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}
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if (argc > 1) {
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nsAutoCString milestone;
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rv = GetGREVersion(argv[0], &milestone, nullptr);
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if (NS_FAILED(rv))
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return 2;
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if (IsArg(argv[1], "gre-version")) {
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if (argc != 2) {
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Usage(argv[0]);
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return 1;
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}
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printf("%s\n", milestone.get());
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return 0;
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}
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if (IsArg(argv[1], "install-app")) {
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Output(true, "--install-app support has been removed. Use 'python install-app.py' instead.\n");
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return 1;
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}
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}
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const char *appDataFile = getenv("XUL_APP_FILE");
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if (!(appDataFile && *appDataFile)) {
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if (argc < 2) {
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Usage(argv[0]);
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return 1;
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}
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if (IsArg(argv[1], "app")) {
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if (argc == 2) {
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Usage(argv[0]);
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return 1;
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}
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argv[1] = argv[0];
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++argv;
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--argc;
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}
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appDataFile = argv[1];
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argv[1] = argv[0];
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++argv;
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--argc;
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static char kAppEnv[MAXPATHLEN];
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snprintf(kAppEnv, MAXPATHLEN, "XUL_APP_FILE=%s", appDataFile);
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putenv(kAppEnv);
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}
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nsCOMPtr<nsIFile> appDataLF;
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rv = XRE_GetFileFromPath(appDataFile, getter_AddRefs(appDataLF));
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if (NS_FAILED(rv)) {
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Output(true, "Error: unrecognized application.ini path.\n");
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return 2;
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}
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AutoAppData appData(appDataLF);
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if (!appData) {
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Output(true, "Error: couldn't parse application.ini.\n");
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return 2;
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}
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return XRE_main(argc, argv, appData, 0);
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}
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