DYT/Tool/3rdParty_x64/include/dcmtk/dcmdata/dcpcache.h
2024-11-22 23:19:31 +08:00

116 lines
2.9 KiB
C++

/*
*
* Copyright (C) 1994-2011, OFFIS e.V.
* All rights reserved. See COPYRIGHT file for details.
*
* This software and supporting documentation were developed by
*
* OFFIS e.V.
* R&D Division Health
* Escherweg 2
* D-26121 Oldenburg, Germany
*
*
* Module: dcmdata
*
* Author: Marco Eichelberg
*
* Purpose: class DcmPrivateTagCache
*
*/
#ifndef DCPCACHE_H
#define DCPCACHE_H
#include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */
#include "dcmtk/ofstd/oftypes.h" /* for OFBool */
#include "dcmtk/ofstd/oflist.h" /* for OFList */
#include "dcmtk/ofstd/ofstring.h" /* for OFString */
#include "dcmtk/dcmdata/dctagkey.h" /* for DcmTagKey */
class DcmObject;
/** class handling one entry of the Private Tag Cache List
*/
class DCMTK_DCMDATA_EXPORT DcmPrivateTagCacheEntry
{
public:
/** constructor
* @param tk tag key for private creator element
* @param pc private creator name, must not be NULL or empty string
*/
DcmPrivateTagCacheEntry(const DcmTagKey& tk, const char *pc);
/// destructor
virtual ~DcmPrivateTagCacheEntry();
/** returns the private creator name
*/
const char *getPrivateCreator() const;
/** checks if this element is the private creator for the element
* with the given tag key
* @param tk tag key to check
* @return OFTrue if this element contains the matching private creator,
* OFFalse otherwise.
*/
OFBool isPrivateCreatorFor(const DcmTagKey& tk) const;
private:
/// private undefined copy constructor
DcmPrivateTagCacheEntry(const DcmPrivateTagCacheEntry&);
/// private undefined copy assignment operator
DcmPrivateTagCacheEntry& operator=(const DcmPrivateTagCacheEntry&);
/// the tag key of the private creator element
DcmTagKey tagKey;
/// the private creator name
OFString privateCreator;
};
/** this class implements a cache of Private Creator elements
* and corresponding reserved tag numbers.
*/
class DCMTK_DCMDATA_EXPORT DcmPrivateTagCache
{
public:
/// default constructor
DcmPrivateTagCache();
/// destructor
virtual ~DcmPrivateTagCache();
/// resets the cache to default-constructed state
void clear();
/** looks up the private creator name for the given private tag
* @param tk private tag to check
* @return private creator name if found, NULL otherwise.
*/
const char *findPrivateCreator(const DcmTagKey& tk) const;
/** updates the private creator cache with the given object.
* If the object points to a private creator element,
* the tag key and creator code are added to the cache.
* Otherwise, the cache remains unmodified.
*/
void updateCache(DcmObject *dobj);
private:
/// private undefined copy constructor
DcmPrivateTagCache(const DcmPrivateTagCache&);
/// private undefined copy assignment operator
DcmPrivateTagCache& operator=(const DcmPrivateTagCache&);
/// the list
OFList<DcmPrivateTagCacheEntry *> list_;
};
#endif