scuffed-code/icu4c/source/common/rbcache.h
1999-10-07 00:07:53 +00:00

73 lines
2.7 KiB
C++

/*
*****************************************************************************************
* *
* COPYRIGHT: *
* (C) Copyright Taligent, Inc., 1997 *
* (C) Copyright International Business Machines Corporation, 1997-1998 *
* Licensed Material - Program-Property of IBM - All Rights Reserved. *
* US Government Users Restricted Rights - Use, duplication, or disclosure *
* restricted by GSA ADP Schedule Contract with IBM Corp. *
* *
*****************************************************************************************
*
* File rbcache.h
*
* Modification History:
*
* Date Name Description
* 03/20/97 aliu Creation.
* 04/29/97 aliu Convert to use new Hashtable protocol.
* 04/15/99 damiba plugged in new C hashtable
*****************************************************************************************
*/
#include "uhash.h"
#include "unistr.h"
/**
* A class which represents an ordinary Hashtable which deletes its contents when it
* is destroyed. This class stores UnicodeStringKeys as its keys, and
* ResourceBundleData objects as its values.
*/
class U_COMMON_API ResourceBundleCache // Not really external; just making the compiler happy
{
public:
ResourceBundleCache();
~ResourceBundleCache();
UHashtable* hashTable;
private:
static void deleteValue(void* value);
};
/**
* A hashtable which owns its keys and values and deletes them when it is destroyed.
* This class stored UnicodeStringKeys as its keys, and the value 1 as its objects.
* in other words, the objects are just (void*)1. The only real information is
* whether or not a key is present. Semantically, if a key is present, it means
* that the corresponding filename has been visited already.
*/
class U_COMMON_API VisitedFileCache // Not really external; just making the compiler happy
{
public:
VisitedFileCache();
~VisitedFileCache();
UHashtable* hashTable;
inline bool_t wasVisited(const UnicodeString& filename) const;
inline void markAsVisited(const UnicodeString& filename);
};
inline bool_t VisitedFileCache::wasVisited(const UnicodeString& filename) const
{
return (uhash_get(hashTable, uhash_hashUString(filename.getUChars())) != 0);
}
inline void VisitedFileCache::markAsVisited(const UnicodeString& filename)
{
UErrorCode err = U_ZERO_ERROR;
uhash_putKey(hashTable, uhash_hashUString(filename.getUChars()), (void*)TRUE, &err);
}
//eof