Read/Write settings.ini; use this to select the game to start.

packaging/osx/launcher/Settings.m

@@ -0,0 +1,92 @@
+/*
+ * Copyright 2007,2009,2010 Chris Forbes, Robert Pepperell, Matthew Bowra-Dean, Paul Chote, Alli Witheford.
+ * This file is part of OpenRA.
+ * 
+ *  OpenRA 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 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  OpenRA 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 OpenRA.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#import "Settings.h"
+
+
+@implementation Settings
+
+- (id)init
+{
+	self = [super init];
+	if (self != nil)
+	{
+		settings = [[NSMutableDictionary alloc] init];
+		filePath = nil;
+	}
+	return self;
+}
+
+- (NSString *)valueForSetting:(NSString *)key
+{
+	return [settings valueForKey:key];
+}
+
+- (void)setValue:(NSString *)value forSetting:(NSString *)key
+{
+	[settings setValue:value forKey:key];
+}
+
+- (void)loadSettingsFile:(NSURL *)file
+{
+	[filePath autorelease];
+	filePath = file;
+	[filePath retain];
+		
+	NSError *error;
+	NSString *data = [NSString stringWithContentsOfURL:filePath encoding:NSUTF8StringEncoding error:&error];
+	NSArray *lines = [data componentsSeparatedByString:@"\n"];
+	
+	for (id line in lines)
+	{
+		NSArray *cmp = [line componentsSeparatedByString:@"="];
+		if ([cmp count] != 2)
+			continue;
+		
+		NSString *key = [[cmp objectAtIndex:0] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+		NSString *value = [[cmp objectAtIndex:1] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
+			
+		[settings setObject:value forKey:key];
+	}
+	NSLog(@"Loaded settings: %@",settings);
+}
+
+- (void)save
+{
+	[self saveToFile:filePath];
+}
+
+- (void)saveToFile:(NSURL *)file
+{
+	NSMutableString *data = [NSMutableString stringWithString:@"[Settings]\n"];
+	for (id key in settings)
+	{
+		[data appendFormat:@"%@=%@\n",key, [settings valueForKey:key]];
+	}
+	NSError *error;
+	[data writeToURL:file atomically:YES encoding:NSUTF8StringEncoding error:&error];
+}
+
+- (void) dealloc
+{
+	[settings release]; settings = nil;
+	[super dealloc];
+}
+
+
+@end