libui/zOLD_darwin/map.m

62 lines
1.4 KiB
Objective-C

// 17 august 2015
#import "uipriv_darwin.h"
// unfortunately NSMutableDictionary copies its keys, meaning we can't use it for pointers
// hence, this file
// we could expose a NSMapTable directly, but let's treat all pointers as opaque and hide the implementation, just to be safe and prevent even more rewrites later
struct uiprivMap {
NSMapTable *m;
};
uiprivMap *uiprivNewMap(void)
{
uiprivMap *m;
m = uiprivNew(uiprivMap);
m->m = [[NSMapTable alloc] initWithKeyOptions:(NSPointerFunctionsOpaqueMemory | NSPointerFunctionsOpaquePersonality)
valueOptions:(NSPointerFunctionsOpaqueMemory | NSPointerFunctionsOpaquePersonality)
capacity:0];
return m;
}
void uiprivMapDestroy(uiprivMap *m)
{
if ([m->m count] != 0)
uiprivImplBug("attempt to destroy map with items inside");
[m->m release];
uiprivFree(m);
}
void *uiprivMapGet(uiprivMap *m, void *key)
{
return NSMapGet(m->m, key);
}
void uiprivMapSet(uiprivMap *m, void *key, void *value)
{
NSMapInsert(m->m, key, value);
}
void uiprivMapDelete(uiprivMap *m, void *key)
{
NSMapRemove(m->m, key);
}
void uiprivMapWalk(uiprivMap *m, void (*f)(void *key, void *value))
{
NSMapEnumerator e;
void *k, *v;
e = NSEnumerateMapTable(m->m);
k = NULL;
v = NULL;
while (NSNextMapEnumeratorPair(&e, &k, &v))
f(k, v);
NSEndMapTableEnumeration(&e);
}
void uiprivMapReset(uiprivMap *m)
{
NSResetMapTable(m->m);
}