ref: f00575079e186bad1bbd6f4768027747db5ba748
dir: /pkg/osx/LauncherManager.m/
/* ... */
//-----------------------------------------------------------------------------
//
// Copyright(C) 2009 Simon Howard
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//
//-----------------------------------------------------------------------------
#include <AppKit/AppKit.h>
#include "Execute.h"
#include "LauncherManager.h"
#include "config.h"
@implementation LauncherManager
// Save configuration. Invoked when we launch the game or quit.
- (void) saveConfig
{
NSUserDefaults *defaults;
// Save IWAD configuration and selected IWAD.
[self->iwadController saveConfig];
// Save command line arguments.
defaults = [NSUserDefaults standardUserDefaults];
[defaults setObject:[self->commandLineArguments stringValue]
forKey:@"command_line_args"];
}
// Load configuration, invoked on startup.
- (void) setConfig
{
NSUserDefaults *defaults;
NSString *args;
defaults = [NSUserDefaults standardUserDefaults];
args = [defaults stringForKey:@"command_line_args"];
if (args != nil)
{
[self->commandLineArguments setStringValue:args];
}
}
// Get the next command line argument from the command line.
// The position counter used to iterate over arguments is in 'pos'.
// The index of the argument that was found is saved in arg_pos.
static NSString *GetNextArgument(NSString *commandLine, int *pos, int *arg_pos)
{
NSRange arg_range;
// Skip past any whitespace
while (*pos < [commandLine length]
&& isspace([commandLine characterAtIndex: *pos]))
{
++*pos;
}
if (*pos >= [commandLine length])
{
*arg_pos = *pos;
return nil;
}
// We are at the start of the argument. This may be a quoted
// string argument, or a "normal" one.
if ([commandLine characterAtIndex: *pos] == '\"')
{
// Quoted string, skip past first quote
++*pos;
// Save start position:
*arg_pos = *pos;
while (*pos < [commandLine length]
&& [commandLine characterAtIndex: *pos] != '\"')
{
++*pos;
}
// Unexpected end of string?
if (*pos >= [commandLine length])
{
return nil;
}
arg_range = NSMakeRange(*arg_pos, *pos - *arg_pos);
// Skip past last quote
++*pos;
}
else
{
// Normal argument
// Save position:
*arg_pos = *pos;
// Read until end:
while (*pos < [commandLine length]
&& !isspace([commandLine characterAtIndex: *pos]))
{
++*pos;
}
arg_range = NSMakeRange(*arg_pos, *pos - *arg_pos);
}
return [commandLine substringWithRange: arg_range];
}
// Given the specified command line argument, find the index
// to insert the new file within the command line. Returns -1 if the
// argument is not already within the arguments string.
static int GetFileInsertIndex(NSString *commandLine, NSString *needle)
{
NSString *arg;
int arg_pos;
int pos;
pos = 0;
// Find the command line parameter we are searching
// for (-merge, -deh, etc)
for (;;)
{
arg = GetNextArgument(commandLine, &pos, &arg_pos);
// Searched to end of string and never found?
if (arg == nil)
{
return -1;
}
if (![arg caseInsensitiveCompare: needle])
{
break;
}
}
// Now skip over existing files. For example, if we
// have -file foo.wad bar.wad, the new file should be appended
// to the end of the list.
for (;;)
{
arg = GetNextArgument(commandLine, &pos, &arg_pos);
// If we search to the end of the string now, it is fine;
// the new string should be added to the end of the command
// line. Otherwise, if we find an argument that begins
// with '-', it is a new command line parameter and the end
// of the list.
if (arg == nil || [arg characterAtIndex: 0] == '-')
{
break;
}
}
// arg_pos should now contain the offset to insert the new filename.
return arg_pos;
}
// Given the specified string, append a filename, quoted if necessary.
static NSString *AppendQuotedFilename(NSString *str, NSString *fileName)
{
int i;
// Search the filename for spaces, and quote if necessary.
for (i=0; i<[fileName length]; ++i)
{
if (isspace([fileName characterAtIndex: i]))
{
str = [str stringByAppendingString: @" \""];
str = [str stringByAppendingString: fileName];
str = [str stringByAppendingString: @"\" "];
return str;
}
}
str = [str stringByAppendingString: @" "];
str = [str stringByAppendingString: fileName];
return str;
}
// Clear out the existing command line options.
// Invoked before the first file is added.
- (void) clearCommandLine
{
[self->commandLineArguments setStringValue: @""];
}
// Add a file to the command line to load with the game.
- (void) addFileToCommandLine: (NSString *) fileName
forArgument: (NSString *) arg
{
NSString *commandLine;
int insert_pos;
// Get the current command line
commandLine = [self->commandLineArguments stringValue];
// Find the location to insert the new filename:
insert_pos = GetFileInsertIndex(commandLine, arg);
// If position < 0, we should add the new argument and filename
// to the end. Otherwise, append the new filename to the existing
// list of files.
if (insert_pos < 0)
{
commandLine = [commandLine stringByAppendingString: @" "];
commandLine = [commandLine stringByAppendingString: arg];
commandLine = AppendQuotedFilename(commandLine, fileName);
}
else
{
NSString *start;
NSString *end;
// Divide existing command line in half:
start = [commandLine substringToIndex: insert_pos];
end = [commandLine substringFromIndex: insert_pos];
// Construct new command line:
commandLine = AppendQuotedFilename(start, fileName);
commandLine = [commandLine stringByAppendingString: @" "];
commandLine = [commandLine stringByAppendingString: end];
}
[self->commandLineArguments setStringValue: commandLine];
}
- (void) launch: (id)sender
{
NSString *iwad;
NSString *args;
[self saveConfig];
iwad = [self->iwadController getIWADLocation];
args = [self->commandLineArguments stringValue];
if (iwad == nil)
{
NSRunAlertPanel(@"No IWAD selected",
@"You have not selected an IWAD (game) file.\n\n"
"You must configure and select a valid IWAD file "
"in order to launch the game.",
@"OK", nil, nil);
return;
}
ExecuteProgram(PACKAGE_TARNAME, [iwad UTF8String],
[args UTF8String]);
[NSApp terminate:sender];
}
// Invoked when the "Setup Tool" button is clicked, to run the setup tool:
- (void) runSetup: (id)sender
{
[self saveConfig];
[self->iwadController setEnvironment];
ExecuteProgram("chocolate-setup", NULL, NULL);
}
// Invoked when the "Terminal" option is selected from the menu, to open
// a terminal window.
- (void) openTerminal: (id) sender
{
char *doomwadpath;
[self saveConfig];
doomwadpath = [self->iwadController doomWadPath];
OpenTerminalWindow(doomwadpath);
free(doomwadpath);
}
- (void) awakeFromNib
{
[self->packageLabel setStringValue: @PACKAGE_STRING];
[self->launcherWindow setTitle: @PACKAGE_NAME " Launcher"];
[self->launcherWindow center];
[self->launcherWindow setDefaultButtonCell: [self->launchButton cell]];
[self setConfig];
}
@end