From 8808689fe340bec6e90ab13dd502292b0579cf1f Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Sat, 08 Dec 2012 21:19:17 +0000
Subject: initial osx port

Signed-off-by: Michael Krelin <hacker@klever.net>
---
(limited to 'shared-code/LRUCache.h')

diff --git a/shared-code/LRUCache.h b/shared-code/LRUCache.h
deleted file mode 100644
index 569e829..0000000
--- a/shared-code/LRUCache.h
+++ b/dev/null
@@ -1,113 +0,0 @@
-#ifndef	__LRUCACHE_H
-#define	__LRUCACHE_H
-
-namespace Klever {
-
-template<class IDX,class ARGIDX,class DATA>
-class CLRUCache : public CObject {
-public:
-	struct	CacheEntry	{
-		enum	cacheState	{
-			cacheClean, cacheDirty, cacheEmpty
-		};
-		cacheState	m_State;
-		UINT m_hits;
-
-		IDX m_idx;
-		DATA* m_pData;
-
-		CacheEntry() { m_State=cacheEmpty; VERIFY(m_pData=new DATA); m_hits=0; }
-		virtual ~CacheEntry() { delete m_pData; }
-	};
-	typedef CMap<IDX,ARGIDX,CacheEntry*,CacheEntry*> CCacheMap;
-	typedef CList<CacheEntry*,CacheEntry*> CCacheList;
-
-	CCacheList m_Cache;
-	CCacheMap m_Map;
-
-	CLRUCache(UINT cacheSize)	{
-		for(int tmp=0;tmp<cacheSize;tmp++){
-		CacheEntry* p = new CacheEntry;
-			m_Cache.AddTail(p);
-		}
-	}
-	virtual ~CLRUCache()	{
-		Flush();
-	POSITION p = m_Cache.GetHeadPosition();
-		while(p){
-		CacheEntry* c = m_Cache.GetNext(p);
-			delete c;
-		}
-	}
-
-	DATA* GetCached(ARGIDX idx,BOOL bLoad=TRUE) {
-	CacheEntry* rv;
-		if(m_Map.Lookup(idx,rv)){
-			rv->m_hits++;
-			PopUp(rv);
-			return rv->m_pData;
-		}
-		if(!bLoad)
-			return NULL;
-		rv = m_Cache.GetTail();
-		ASSERT(rv);
-		switch(rv->m_State){
-		case CacheEntry::cacheDirty:
-			FlushEntry(rv);
-		case CacheEntry::cacheClean:
-			m_Map.RemoveKey(rv->m_idx);
-			rv->m_State=CacheEntry::cacheEmpty;
-		case CacheEntry::cacheEmpty:
-			break;
-		default:
-			ASSERT(FALSE);
-		}
-		if(!_ReadIn(idx,rv->m_pData))
-			return NULL;
-		rv->m_hits=1;
-		rv->m_State=CacheEntry::cacheClean;
-		rv->m_idx=idx;
-		m_Map[idx]=rv;
-		PopUp(rv);
-		return rv->m_pData;
-	}
-	BOOL MakeDirty(ARGIDX idx) {
-	CacheEntry* pEntry;
-		if(m_Map.Lookup(idx,pEntry)){
-			ASSERT(pEntry->m_State==CacheEntry::cacheClean || pEntry->m_State==CacheEntry::cacheDirty);
-			pEntry->m_State=CacheEntry::cacheDirty;
-			return TRUE;
-		}
-		return FALSE;
-	}
-	BOOL Flush() {
-	POSITION p = m_Cache.GetHeadPosition();
-		while(p){
-		CacheEntry* pEntry = m_Cache.GetNext(p);
-			ASSERT(pEntry);
-			FlushEntry(pEntry);
-		}
-		return TRUE;
-	}
-	BOOL FlushEntry(CacheEntry* pEntry) {
-		if(pEntry->m_State==CacheEntry::cacheDirty){
-		BOOL rv = _WriteOut(pEntry->m_idx,pEntry->m_pData);
-			if(rv)
-				pEntry->m_State=CacheEntry::cacheClean;
-		}
-		return FALSE;
-	}
-	void PopUp(CacheEntry* pEntry) {
-	POSITION p = m_Cache.Find(pEntry);
-		ASSERT(p);
-		m_Cache.RemoveAt(p);
-		VERIFY(m_Cache.AddHead(pEntry));
-	}
-
-	virtual	BOOL _ReadIn(ARGIDX idx,DATA* data) = 0;
-	virtual BOOL _WriteOut(ARGIDX idx,DATA* data) = 0;
-};
-
-};
-
-#endif	// __LRUCACHE_H
--
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