libui/darwin/map.m

44 lines
1.1 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 mapTable {
NSMapTable *m;
};
struct mapTable *newMap(void)
{
struct mapTable *m;
m = uiNew(struct mapTable);
m->m = [[NSMapTable alloc] initWithKeyOptions:(NSPointerFunctionsOpaqueMemory | NSPointerFunctionsOpaquePersonality)
valueOptions:(NSPointerFunctionsOpaqueMemory | NSPointerFunctionsOpaquePersonality)
capacity:0];
return m;
}
void mapDestroy(struct mapTable *m)
{
if ([m->m count] != 0)
complain("attempt to destroy map with items inside; did you forget to deallocate something?");
[m->m release];
uiFree(m);
}
void *mapGet(struct mapTable *m, void *key)
{
return NSMapGet(m->m, key);
}
void mapSet(struct mapTable *m, void *key, void *value)
{
NSMapInsert(m->m, key, value);
}
void mapDelete(struct mapTable *m, void *key)
{
NSMapRemove(m->m, key);
}