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allow programmatic setting of config where defaults don't exist

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Richard Frith-Macdonald 2019-04-16 12:23:28 +01:00
parent 42e7c87f0b
commit 94eb232b96
1 changed files with 78 additions and 54 deletions
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132
GSCache.m
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@ -617,24 +617,40 @@ static void removeItem(GSCacheItem *item, GSCacheItem **first)
- (void) setLifetime: (unsigned)max
{
[my->lock lock];
if (NO == my->useDefaults)
if (YES == my->useDefaults)
{
my->lifetime = max;
NSUserDefaults *defs = [NSUserDefaults standardUserDefaults];
NSString *n = (nil == my->name) ? @"" : my->name;
NSString *k = [@"GSCacheLifetime" stringByAppendingString: n];
if (nil != [defs objectForKey: k])
{
max = (unsigned) [defs integerForKey: k];
}
}
my->lifetime = max;
[my->lock unlock];
}
- (void) setMaxObjects: (unsigned)max
{
[my->lock lock];
if (NO == my->useDefaults)
if (YES == my->useDefaults)
{
my->maxObjects = max;
if (my->currentObjects > my->maxObjects)
{
[self shrinkObjects: my->maxObjects
andSize: my->maxSize];
}
NSUserDefaults *defs = [NSUserDefaults standardUserDefaults];
NSString *n = (nil == my->name) ? @"" : my->name;
NSString *k = [@"GSCacheMaxObjects" stringByAppendingString: n];
if (nil != [defs objectForKey: k])
{
max = (unsigned) [defs integerForKey: k];
}
}
my->maxObjects = max;
if (my->currentObjects > my->maxObjects)
{
[self shrinkObjects: my->maxObjects
andSize: my->maxSize];
}
[my->lock unlock];
}
@ -642,53 +658,61 @@ static void removeItem(GSCacheItem *item, GSCacheItem **first)
- (void) setMaxSize: (NSUInteger)max
{
[my->lock lock];
if (NO == my->useDefaults)
if (YES == my->useDefaults)
{
if (max > 0 && my->maxSize == 0)
{
NSMapEnumerator e = NSEnumerateMapTable(my->contents);
GSCacheItem *i;
id k;
NSUInteger size = 0;
NSUserDefaults *defs = [NSUserDefaults standardUserDefaults];
NSString *n = (nil == my->name) ? @"" : my->name;
NSString *k = [@"GSCacheMaxSize" stringByAppendingString: n];
if (nil == my->exclude)
{
my->exclude
= NSCreateHashTable(NSNonOwnedPointerHashCallBacks, 0);
}
while (NSNextMapEnumeratorPair(&e, (void**)&k, (void**)&i) != 0)
{
if (i->size == 0)
{
i->size = [i->object sizeInBytesExcluding: my->exclude];
[my->exclude removeAllObjects];
}
if (i->size > max)
{
/*
* Item in cache is too big for new size limit ...
* Remove it.
*/
removeItem(i, &my->first);
NSMapRemove(my->contents, (void*)i->key);
my->currentObjects--;
continue;
}
size += i->size;
}
NSEndMapTableEnumeration(&e);
my->currentSize = size;
}
else if (max == 0)
{
my->currentSize = 0;
}
my->maxSize = max;
if (my->currentSize > my->maxSize)
{
[self shrinkObjects: my->maxObjects
andSize: my->maxSize];
}
if (nil != [defs objectForKey: k])
{
max = (NSUInteger) [defs integerForKey: k];
}
}
if (max > 0 && my->maxSize == 0)
{
NSMapEnumerator e = NSEnumerateMapTable(my->contents);
GSCacheItem *i;
id k;
NSUInteger size = 0;
if (nil == my->exclude)
{
my->exclude
= NSCreateHashTable(NSNonOwnedPointerHashCallBacks, 0);
}
while (NSNextMapEnumeratorPair(&e, (void**)&k, (void**)&i) != 0)
{
if (i->size == 0)
{
i->size = [i->object sizeInBytesExcluding: my->exclude];
[my->exclude removeAllObjects];
}
if (i->size > max)
{
/*
* Item in cache is too big for new size limit ...
* Remove it.
*/
removeItem(i, &my->first);
NSMapRemove(my->contents, (void*)i->key);
my->currentObjects--;
continue;
}
size += i->size;
}
NSEndMapTableEnumeration(&e);
my->currentSize = size;
}
else if (max == 0)
{
my->currentSize = 0;
}
my->maxSize = max;
if (my->currentSize > my->maxSize)
{
[self shrinkObjects: my->maxObjects
andSize: my->maxSize];
}
[my->lock unlock];
}