Check in the pristine copy of ICU 4.6...

icu46/source/test/letest/FontTableCache.h

+/*
+ **********************************************************************
+ *   Copyright (C) 2003-2008, International Business Machines
+ *   Corporation and others.  All Rights Reserved.
+ **********************************************************************
+ */
+
+#ifndef __FONTTABLECACHE_H
+
+#define __FONTTABLECACHE_H
+
+#include "layout/LETypes.h"
+
+U_NAMESPACE_USE
+
+struct FontTableCacheEntry;
+
+class FontTableCache
+{
+public:
+    FontTableCache();
+
+    virtual ~FontTableCache();
+
+    const void *find(LETag tableTag) const;
+
+protected:
+    virtual const void *readFontTable(LETag tableTag) const = 0;
+    virtual void freeFontTable(const void *table) const;
+
+private:
+
+    void add(LETag tableTag, const void *table);
+
+    FontTableCacheEntry *fTableCache;
+    le_int32 fTableCacheCurr;
+    le_int32 fTableCacheSize;
+};
+
+#endif
+