62 lines
1.4 KiB
Mathematica
62 lines
1.4 KiB
Mathematica
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// 17 august 2015
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#import "uipriv_darwin.h"
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// unfortunately NSMutableDictionary copies its keys, meaning we can't use it for pointers
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// hence, this file
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// 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
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struct uiprivMap {
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NSMapTable *m;
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};
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uiprivMap *uiprivNewMap(void)
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{
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uiprivMap *m;
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m = uiprivNew(uiprivMap);
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m->m = [[NSMapTable alloc] initWithKeyOptions:(NSPointerFunctionsOpaqueMemory | NSPointerFunctionsOpaquePersonality)
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valueOptions:(NSPointerFunctionsOpaqueMemory | NSPointerFunctionsOpaquePersonality)
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capacity:0];
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return m;
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}
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void uiprivMapDestroy(uiprivMap *m)
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{
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if ([m->m count] != 0)
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uiprivImplBug("attempt to destroy map with items inside");
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[m->m release];
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uiprivFree(m);
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}
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void *uiprivMapGet(uiprivMap *m, void *key)
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{
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return NSMapGet(m->m, key);
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}
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void uiprivMapSet(uiprivMap *m, void *key, void *value)
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{
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NSMapInsert(m->m, key, value);
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}
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void uiprivMapDelete(uiprivMap *m, void *key)
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{
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NSMapRemove(m->m, key);
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}
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void uiprivMapWalk(uiprivMap *m, void (*f)(void *key, void *value))
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{
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NSMapEnumerator e;
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void *k, *v;
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e = NSEnumerateMapTable(m->m);
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k = NULL;
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v = NULL;
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while (NSNextMapEnumeratorPair(&e, &k, &v))
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f(k, v);
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NSEndMapTableEnumeration(&e);
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}
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void uiprivMapReset(uiprivMap *m)
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{
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NSResetMapTable(m->m);
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}
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