Initial community commit

Src/Wasabi/api/service/svccache.h

@@ -0,0 +1,43 @@
+#ifndef _SVC_CACHE_H
+#define _SVC_CACHE_H
+
+#include <api/service/svc_enum.h>
+#include <bfc/ptrlist.h>
+
+/**
+  This is a caching version of SvcEnum. Upon creation, it enumerates all
+  service factories in the family and keeps them in a list. Then you can
+  call findService() with a search string to quickly find the service you
+  want. If you don't have a search string, you can still use a SvcEnum.
+*/
+
+class SvcCache {
+protected:
+  SvcCache(FOURCC type);
+ 
+public:
+  waServiceFactory *findServiceFactory(const wchar_t *searchval);
+
+private:
+  class waServiceFactoryCompare {
+  public:
+    static int compareItem(waServiceFactory *p1, waServiceFactory* p2);
+    static int compareAttrib(const wchar_t *attrib, waServiceFactory *item);
+  };
+  PtrListQuickSorted<waServiceFactory, waServiceFactoryCompare> list;
+};
+
+template <class T>
+class SvcCacheT : public SvcCache {
+public:
+  SvcCacheT() : SvcCache(T::getServiceType()) { }
+
+  T *findService(const char *key, int global_lock=TRUE) {
+    waServiceFactory *sf = findServiceFactory(key);
+    if (sf == NULL) return NULL;
+    T *ret = castService<T>(sf, global_lock);
+    return ret;
+  }
+};
+
+#endif