gecko-dev/toolkit/xre/nsCommandLineServiceMac.cpp

111 строки
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 4; 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 Communicator client 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):
* Simon Fraser <sfraser@netscape.com>
* Pierre Phaneuf <pp@ludusdesign.com>
* Mark Mentovai <mark@moxienet.com>
*
* 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 "nsCommandLineServiceMac.h"
#include <CoreFoundation/CoreFoundation.h>
#include <Carbon/Carbon.h>
namespace CommandLineServiceMac {
static const int kArgsGrowSize = 20;
static char** sArgs = NULL;
static int sArgsAllocated = 0;
static int sArgsUsed = 0;
void AddToCommandLine(const char* inArgText)
{
if (sArgsUsed >= sArgsAllocated - 1) {
// realloc does not free the given pointer if allocation fails
char **temp = static_cast<char**>(realloc(sArgs, (sArgsAllocated + kArgsGrowSize) * sizeof(char*)));
if (!temp)
return;
sArgs = temp;
sArgsAllocated += kArgsGrowSize;
}
char *temp2 = strdup(inArgText);
if (!temp2)
return;
sArgs[sArgsUsed++] = temp2;
sArgs[sArgsUsed] = NULL;
return;
}
void SetupMacCommandLine(int& argc, char**& argv, PRBool forRestart)
{
sArgs = static_cast<char **>(malloc(kArgsGrowSize * sizeof(char*)));
if (!sArgs)
return;
sArgsAllocated = kArgsGrowSize;
sArgs[0] = NULL;
sArgsUsed = 0;
// Copy args, stripping anything we don't want.
for (int arg = 0; arg < argc; arg++) {
char* flag = argv[arg];
// Don't pass on the psn (Process Serial Number) flag from the OS.
if (strncmp(flag, "-psn_", 5) != 0)
AddToCommandLine(flag);
}
if (forRestart) {
// If the process will be relaunched, the child should be in the foreground
// if the parent is in the foreground. This will be communicated in a
// command-line argument to the child.
Boolean isForeground = false;
ProcessSerialNumber psnSelf, psnFront;
if (::GetCurrentProcess(&psnSelf) == noErr &&
::GetFrontProcess(&psnFront) == noErr &&
::SameProcess(&psnSelf, &psnFront, &isForeground) == noErr &&
isForeground) {
AddToCommandLine("-foreground");
}
}
argc = sArgsUsed;
argv = sArgs;
}
} // namespace CommandLineServiceMac