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-rw-r--r--OSX/PrefsReader.m608
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diff --git a/OSX/PrefsReader.m b/OSX/PrefsReader.m
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--- a/OSX/PrefsReader.m
+++ /dev/null
@@ -1,608 +0,0 @@
-/* xscreensaver, Copyright (c) 2006-2015 Jamie Zawinski <jwz@jwz.org>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation. No representations are made about the suitability of this
- * software for any purpose. It is provided "as is" without express or
- * implied warranty.
- */
-
-/* This implements the substrate of the xscreensaver preferences code:
- It does this by writing defaults to, and reading values from, the
- NSUserDefaultsController (and ScreenSaverDefaults/NSUserDefaults)
- and thereby reading the preferences that may have been edited by
- the UI (XScreenSaverConfigSheet).
- */
-
-#ifndef USE_IPHONE
-# import <ScreenSaver/ScreenSaverDefaults.h>
-#endif
-
-#import "PrefsReader.h"
-#import "Updater.h"
-#import "screenhackI.h"
-
-#ifndef USE_IPHONE
-
-#include <objc/runtime.h>
-
-/* GlobalDefaults is an NSUserDefaults implementation that writes into
- the preferences key we provide, instead of whatever the default would
- be for this app. We do this by invoking the Core Foundation preferences
- routines directly, while presenting the same API as NSUserDefaults.
-
- We need this so that global prefs will go into the file
- Library/Preferences/org.jwz.xscreensaver.updater.plist instead of into
- Library/Preferences/ByHost/org.jwz.xscreensaver.Maze.XXXXX.plist
- with the per-saver prefs.
-
- The ScreenSaverDefaults class *almost* does this, but it always writes
- into the ByHost subdirectory, which means it's not readable by an app
- that tries to access it with a plain old +standardUserDefaults.
- */
-@interface GlobalDefaults : NSUserDefaults
-{
- NSString *domain;
- NSDictionary *defaults;
-}
-@end
-
-@implementation GlobalDefaults
-- (id) initWithDomain:(NSString *)_domain module:(NSString *)_module
-{
- // Key-Value Observing tries to create an Objective-C class named
- // NSKVONotifying_GlobalDefaults when the configuration page is shown. But if
- // this is the second XScreenSaver .saver running in the same process, class
- // creation fails because that class name was already used by the first
- // .saver, and it refers to the GlobalDefaults from the other .saver.
-
- // This gives the class a unique name, sidestepping the above issue.
-
- // It really just needs to be unique for this .saver and this instance.
- // Using the pointer to the .saver's mach_header and the full path to the
- // .saver would be preferable, but this should be good enough.
- char class_name[128];
- sprintf(class_name, "GlobalDefaults_%s_%p_%u",
- strrchr(_module.UTF8String, '.') + 1, self, random());
- Class c = objc_allocateClassPair([GlobalDefaults class], class_name, 0);
- if (!c)
- return nil;
- objc_registerClassPair(c);
-
- self = [super init];
- object_setClass(self, c);
- domain = [_domain retain];
- return self;
-}
-
-- (void) dealloc
-{
- Class c = object_getClass(self);
-
- [domain release];
- [defaults release];
- [super dealloc];
-
- objc_disposeClassPair(c);
-}
-
-- (void)registerDefaults:(NSDictionary *)dict
-{
- defaults = [dict retain];
-}
-
-- (id)objectForKey:(NSString *)key
-{
- NSObject *obj = (NSObject *)
- CFPreferencesCopyAppValue ((CFStringRef) key, (CFStringRef) domain);
- if (obj)
- [obj autorelease];
- else if (defaults)
- obj = [defaults objectForKey:key];
- return obj;
-}
-
-- (void)setObject:(id)value forKey:(NSString *)key
-{
- if (value && defaults) {
- // If the value is the default, then remove it instead.
- NSObject *def = [defaults objectForKey:key];
- if (def && [def isEqual:value])
- value = NULL;
- }
- CFPreferencesSetAppValue ((CFStringRef) key,
- (CFPropertyListRef) value,
- (CFStringRef) domain);
-}
-
-
-- (BOOL)synchronize
-{
- return CFPreferencesAppSynchronize ((CFStringRef) domain);
-}
-
-
-// Make sure these all call our objectForKey.
-// Might not be necessary, but safe.
-
-- (NSString *)stringForKey:(NSString *)key
-{
- return [[self objectForKey:key] stringValue];
-}
-
-- (NSArray *)arrayForKey:(NSString *)key
-{
- return (NSArray *) [self objectForKey:key];
-}
-
-- (NSDictionary *)dictionaryForKey:(NSString *)key
-{
- return (NSDictionary *) [self objectForKey:key];
-}
-
-- (NSData *)dataForKey:(NSString *)key
-{
- return (NSData *) [self objectForKey:key];
-}
-
-- (NSArray *)stringArrayForKey:(NSString *)key
-{
- return (NSArray *) [self objectForKey:key];
-}
-
-- (NSInteger)integerForKey:(NSString *)key
-{
- return [[self objectForKey:key] integerValue];
-}
-
-- (float)floatForKey:(NSString *)key
-{
- return [[self objectForKey:key] floatValue];
-}
-
-- (double)doubleForKey:(NSString *)key
-{
- return [[self objectForKey:key] doubleValue];
-}
-
-- (BOOL)boolForKey:(NSString *)key
-{
- return [[self objectForKey:key] integerValue];
-}
-
-// Make sure these all call our setObject.
-// Might not be necessary, but safe.
-
-- (void)removeObjectForKey:(NSString *)key
-{
- [self setObject:NULL forKey:key];
-}
-
-- (void)setInteger:(NSInteger)value forKey:(NSString *)key
-{
- [self setObject:[NSNumber numberWithInteger:value] forKey:key];
-}
-
-- (void)setFloat:(float)value forKey:(NSString *)key
-{
- [self setObject:[NSNumber numberWithFloat:value] forKey:key];
-}
-
-- (void)setDouble:(double)value forKey:(NSString *)key
-{
- [self setObject:[NSNumber numberWithDouble:value] forKey:key];
-}
-
-- (void)setBool:(BOOL)value forKey:(NSString *)key
-{
- [self setObject:[NSNumber numberWithBool:value] forKey:key];
-}
-@end
-
-
-#endif // !USE_IPHONE
-
-
-@implementation PrefsReader
-
-/* Normally we read resources by looking up "KEY" in the database
- "org.jwz.xscreensaver.SAVERNAME". But in the all-in-one iPhone
- app, everything is stored in the database "org.jwz.xscreensaver"
- instead, so transform keys to "SAVERNAME.KEY".
-
- NOTE: This is duplicated in XScreenSaverConfigSheet.m, cause I suck.
- */
-- (NSString *) makeKey:(NSString *)key
-{
-# ifdef USE_IPHONE
- NSString *prefix = [saver_name stringByAppendingString:@"."];
- if (! [key hasPrefix:prefix]) // Don't double up!
- key = [prefix stringByAppendingString:key];
-# endif
- return key;
-}
-
-- (NSString *) makeCKey:(const char *)key
-{
- return [self makeKey:[NSString stringWithCString:key
- encoding:NSUTF8StringEncoding]];
-}
-
-
-/* Converts an array of "key:value" strings to an NSDictionary.
- */
-- (NSDictionary *) defaultsToDict: (const char * const *) defs
-{
- NSDictionary *dict = [NSMutableDictionary dictionaryWithCapacity:20];
- while (*defs) {
- char *line = strdup (*defs);
- char *key, *val;
- key = line;
- while (*key == '.' || *key == '*' || *key == ' ' || *key == '\t')
- key++;
- val = key;
- while (*val && *val != ':')
- val++;
- if (*val != ':') abort();
- *val++ = 0;
- while (*val == ' ' || *val == '\t')
- val++;
-
- unsigned long L = strlen(val);
- while (L > 0 && (val[L-1] == ' ' || val[L-1] == '\t'))
- val[--L] = 0;
-
- // When storing into preferences, look at the default string and
- // decide whether it's a boolean, int, float, or string, and store
- // an object of the appropriate type in the prefs.
- //
- NSString *nskey = [self makeCKey:key];
- NSObject *nsval;
- int dd;
- double ff;
- char cc;
- if (!strcasecmp (val, "true") || !strcasecmp (val, "yes"))
- nsval = [NSNumber numberWithBool:YES];
- else if (!strcasecmp (val, "false") || !strcasecmp (val, "no"))
- nsval = [NSNumber numberWithBool:NO];
- else if (1 == sscanf (val, " %d %c", &dd, &cc))
- nsval = [NSNumber numberWithInt:dd];
- else if (1 == sscanf (val, " %lf %c", &ff, &cc))
- nsval = [NSNumber numberWithDouble:ff];
- else
- nsval = [NSString stringWithCString:val encoding:NSUTF8StringEncoding];
-
-// NSLog (@"default: \"%@\" = \"%@\" [%@]", nskey, nsval, [nsval class]);
- [dict setValue:nsval forKey:nskey];
- free (line);
- defs++;
- }
- return dict;
-}
-
-
-/* Initialize the Cocoa preferences database:
- - sets the default preferences values from the 'defaults' array;
- - binds 'self' to each preference as an observer;
- - ensures that nothing is mentioned in 'options' and not in 'defaults';
- - ensures that nothing is mentioned in 'defaults' and not in 'options'.
- */
-- (void) registerXrmKeys: (const XrmOptionDescRec *) opts
- defaults: (const char * const *) defs
-{
- // Store the contents of 'defaults' into the real preferences database.
- NSDictionary *defsdict = [self defaultsToDict:defs];
- [userDefaults registerDefaults:defsdict];
- [globalDefaults registerDefaults:UPDATER_DEFAULTS];
-
- // Save a copy of the default options, since iOS doesn't have
- // [userDefaultsController initialValues].
- //
- if (defaultOptions)
- [defaultOptions release];
- defaultOptions = [[NSMutableDictionary dictionaryWithCapacity:20]
- retain];
- for (NSString *key in defsdict) {
- [defaultOptions setValue:[defsdict objectForKey:key] forKey:key];
- }
-
-# ifndef USE_IPHONE
- userDefaultsController =
- [[NSUserDefaultsController alloc] initWithDefaults:userDefaults
- initialValues:defsdict];
- globalDefaultsController =
- [[NSUserDefaultsController alloc] initWithDefaults:globalDefaults
- initialValues:UPDATER_DEFAULTS];
-# else // USE_IPHONE
- userDefaultsController = [userDefaults retain];
- globalDefaultsController = [userDefaults retain];
-# endif // USE_IPHONE
-
- NSDictionary *optsdict = [NSMutableDictionary dictionaryWithCapacity:20];
-
- while (opts[0].option) {
- //const char *option = opts->option;
- const char *resource = opts->specifier;
-
- while (*resource == '.' || *resource == '*')
- resource++;
- NSString *nsresource = [self makeCKey:resource];
-
- // make sure there's no resource mentioned in options and not defaults.
- if (![defsdict objectForKey:nsresource]) {
- if (! (!strcmp(resource, "font") || // don't warn about these
- !strcmp(resource, "foreground") ||
- !strcmp(resource, "textLiteral") ||
- !strcmp(resource, "textFile") ||
- !strcmp(resource, "textURL") ||
- !strcmp(resource, "textProgram") ||
- !strcmp(resource, "imageDirectory")))
- NSLog (@"warning: \"%s\" is in options but not defaults", resource);
- }
- [optsdict setValue:nsresource forKey:nsresource];
-
- opts++;
- }
-
-#if 0
- // make sure there's no resource mentioned in defaults and not options.
- for (NSString *key in defsdict) {
- if (! [optsdict objectForKey:key])
- if (! ([key isEqualToString:@"foreground"] || // don't warn about these
- [key isEqualToString:@"background"] ||
- [key isEqualToString:@"Background"] ||
- [key isEqualToString:@"geometry"] ||
- [key isEqualToString:@"font"] ||
- [key isEqualToString:@"dontClearRoot"] ||
-
- // fps.c settings
- [key isEqualToString:@"fpsSolid"] ||
- [key isEqualToString:@"fpsTop"] ||
- [key isEqualToString:@"titleFont"] ||
-
- // analogtv.c settings
- [key isEqualToString:@"TVBrightness"] ||
- [key isEqualToString:@"TVColor"] ||
- [key isEqualToString:@"TVContrast"] ||
- [key isEqualToString:@"TVTint"]
- ))
- NSLog (@"warning: \"%@\" is in defaults but not options", key);
- }
-#endif /* 0 */
-
-#if 0
- // Dump the entire resource database.
- NSLog(@"userDefaults:");
- NSDictionary *d = [userDefaults dictionaryRepresentation];
- for (NSObject *key in [[d allKeys]
- sortedArrayUsingSelector:@selector(compare:)]) {
- NSObject *val = [d objectForKey:key];
- NSLog (@"%@ = %@", key, val);
- }
- NSLog(@"globalDefaults:");
- d = [globalDefaults dictionaryRepresentation];
- for (NSObject *key in [[d allKeys]
- sortedArrayUsingSelector:@selector(compare:)]) {
- NSObject *val = [d objectForKey:key];
- NSLog (@"%@ = %@", key, val);
- }
-#endif
-
-}
-
-- (NSUserDefaultsController *) userDefaultsController
-{
- NSAssert(userDefaultsController, @"userDefaultsController uninitialized");
- return userDefaultsController;
-}
-
-- (NSUserDefaultsController *) globalDefaultsController
-{
- NSAssert(globalDefaultsController, @"globalDefaultsController uninitialized");
- return globalDefaultsController;
-}
-
-- (NSDictionary *) defaultOptions
-{
- NSAssert(defaultOptions, @"defaultOptions uninitialized");
- return defaultOptions;
-}
-
-
-- (NSObject *) getObjectResource: (const char *) name
-{
- // Only look in globalDefaults for updater preferences.
-
- static NSDictionary *updaterDefaults;
- if (!updaterDefaults) {
- updaterDefaults = UPDATER_DEFAULTS;
- [updaterDefaults retain];
- }
-
- NSUserDefaults *defaults =
- [updaterDefaults objectForKey:[NSString stringWithUTF8String:name]] ?
- globalDefaults :
- userDefaults;
-
- const char *name2 = name;
- while (1) {
- NSString *key = [self makeCKey:name2];
- NSObject *obj = [defaults objectForKey:key];
- if (obj)
- return obj;
-
- // If key is "foo.bar.baz", check "foo.bar.baz", "bar.baz", and "baz".
- //
- const char *dot = strchr (name2, '.');
- if (dot && dot[1])
- name2 = dot + 1;
- else
- break;
- }
- return NULL;
-}
-
-
-- (char *) getStringResource: (const char *) name
-{
- NSObject *o = [self getObjectResource:name];
- //NSLog(@"%s = %@",name,o);
- if (o == nil) {
- if (! (!strcmp(name, "eraseMode") || // erase.c
- // xlockmore.c reads all of these whether used or not...
- !strcmp(name, "right3d") ||
- !strcmp(name, "left3d") ||
- !strcmp(name, "both3d") ||
- !strcmp(name, "none3d") ||
- !strcmp(name, "font") ||
- !strcmp(name, "labelFont") || // grabclient.c
- !strcmp(name, "titleFont") ||
- !strcmp(name, "fpsFont") || // fps.c
- !strcmp(name, "foreground") || // fps.c
- !strcmp(name, "background") ||
- !strcmp(name, "textLiteral")
- ))
- NSLog(@"warning: no preference \"%s\" [string]", name);
- return NULL;
- }
- if (! [o isKindOfClass:[NSString class]]) {
- NSLog(@"asked for %s as a string, but it is a %@", name, [o class]);
- o = [(NSNumber *) o stringValue];
- }
-
- NSString *os = (NSString *) o;
- char *result = strdup ([os cStringUsingEncoding:NSUTF8StringEncoding]);
-
- // Kludge: if the string is surrounded with single-quotes, remove them.
- // This happens when the .xml file says things like arg="-foo 'bar baz'"
- if (result[0] == '\'' && result[strlen(result)-1] == '\'') {
- result[strlen(result)-1] = 0;
- strcpy (result, result+1);
- }
-
- // Kludge: assume that any string that begins with "~" and has a "/"
- // anywhere in it should be expanded as if it is a pathname.
- if (result[0] == '~' && strchr (result, '/')) {
- os = [NSString stringWithCString:result encoding:NSUTF8StringEncoding];
- free (result);
- result = strdup ([[os stringByExpandingTildeInPath]
- cStringUsingEncoding:NSUTF8StringEncoding]);
- }
-
- return result;
-}
-
-
-- (double) getFloatResource: (const char *) name
-{
- NSObject *o = [self getObjectResource:name];
- if (o == nil) {
- // xlockmore.c reads all of these whether used or not...
- if (! (!strcmp(name, "cycles") ||
- !strcmp(name, "size") ||
- !strcmp(name, "use3d") ||
- !strcmp(name, "delta3d") ||
- !strcmp(name, "wireframe") ||
- !strcmp(name, "showFPS") ||
- !strcmp(name, "fpsSolid") ||
- !strcmp(name, "fpsTop") ||
- !strcmp(name, "mono") ||
- !strcmp(name, "count") ||
- !strcmp(name, "ncolors") ||
- !strcmp(name, "doFPS") || // fps.c
- !strcmp(name, "eraseSeconds") // erase.c
- ))
- NSLog(@"warning: no preference \"%s\" [float]", name);
- return 0.0;
- }
- if ([o isKindOfClass:[NSString class]]) {
- return [(NSString *) o doubleValue];
- } else if ([o isKindOfClass:[NSNumber class]]) {
- return [(NSNumber *) o doubleValue];
- } else {
- NSAssert2(0, @"%s = \"%@\" but should have been an NSNumber", name, o);
- abort();
- }
-}
-
-
-- (int) getIntegerResource: (const char *) name
-{
- // Sliders might store float values for integral resources; round them.
- float v = [self getFloatResource:name];
- int i = (int) (v + (v < 0 ? -0.5 : 0.5)); // ignore sign or -1 rounds to 0
- // if (i != v) NSLog(@"%s: rounded %.3f to %d", name, v, i);
- return i;
-}
-
-
-- (BOOL) getBooleanResource: (const char *) name
-{
- NSObject *o = [self getObjectResource:name];
- if (! o) {
- return NO;
- } else if ([o isKindOfClass:[NSNumber class]]) {
- double n = [(NSNumber *) o doubleValue];
- if (n == 0) return NO;
- else if (n == 1) return YES;
- else goto FAIL;
- } else if ([o isKindOfClass:[NSString class]]) {
- NSString *s = [((NSString *) o) lowercaseString];
- if ([s isEqualToString:@"true"] ||
- [s isEqualToString:@"yes"] ||
- [s isEqualToString:@"1"])
- return YES;
- else if ([s isEqualToString:@"false"] ||
- [s isEqualToString:@"no"] ||
- [s isEqualToString:@"0"] ||
- [s isEqualToString:@""])
- return NO;
- else
- goto FAIL;
- } else {
- FAIL:
- NSAssert2(0, @"%s = \"%@\" but should have been a boolean", name, o);
- abort();
- }
-}
-
-
-- (id) initWithName: (NSString *) name
- xrmKeys: (const XrmOptionDescRec *) opts
- defaults: (const char * const *) defs
-{
- self = [self init];
- if (!self) return nil;
-
-# ifndef USE_IPHONE
- userDefaults = [ScreenSaverDefaults defaultsForModuleWithName:name];
- globalDefaults = [[GlobalDefaults alloc] initWithDomain:@UPDATER_DOMAIN
- module:name];
-# else // USE_IPHONE
- userDefaults = [NSUserDefaults standardUserDefaults];
- globalDefaults = [userDefaults retain];
-# endif // USE_IPHONE
-
- // Convert "org.jwz.xscreensaver.NAME" to just "NAME".
- NSRange r = [name rangeOfString:@"." options:NSBackwardsSearch];
- if (r.length)
- name = [name substringFromIndex:r.location+1];
- name = [name stringByReplacingOccurrencesOfString:@" " withString:@""];
- saver_name = [name retain];
-
- [self registerXrmKeys:opts defaults:defs];
- return self;
-}
-
-- (void) dealloc
-{
- [saver_name release];
- [userDefaultsController release];
- [globalDefaultsController release];
- [globalDefaults release];
- [super dealloc];
-}
-
-@end
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-04-20 10:02:42 +0200