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

137 lines
4.7 KiB
C++

/*
*
* Copyright (C) 1994-2016, 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: Andrew Hewett
*
* Purpose: Interface of class DcmUnlimitedText
*
*/
#ifndef DCVRUT_H
#define DCVRUT_H
#include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */
#include "dcmtk/dcmdata/dctypes.h"
#include "dcmtk/dcmdata/dcchrstr.h"
/** a class representing the DICOM value representation 'Unlimited Text' (UT)
*/
class DCMTK_DCMDATA_EXPORT DcmUnlimitedText
: public DcmCharString
{
public:
/** constructor
* @param tag attribute tag
* @param len length of the attribute value
*/
DcmUnlimitedText(const DcmTag &tag,
const Uint32 len = 0);
/** copy constructor
* @param old element to be copied
*/
DcmUnlimitedText(const DcmUnlimitedText &old);
/** destructor
*/
virtual ~DcmUnlimitedText();
/** copy assignment operator
* @param obj element to be copied
*/
DcmUnlimitedText &operator=(const DcmUnlimitedText &obj);
/** clone method
* @return deep copy of this object
*/
virtual DcmObject *clone() const
{
return new DcmUnlimitedText(*this);
}
/** Virtual object copying. This method can be used for DcmObject
* and derived classes to get a deep copy of an object. Internally
* the assignment operator is called if the given DcmObject parameter
* is of the same type as "this" object instance. If not, an error
* is returned. This function permits copying an object by value
* in a virtual way which therefore is different to just calling the
* assignment operator of DcmElement which could result in slicing
* the object.
* @param rhs - [in] The instance to copy from. Has to be of the same
* class type as "this" object
* @return EC_Normal if copying was successful, error otherwise
*/
virtual OFCondition copyFrom(const DcmObject& rhs);
/** get element type identifier
* @return type identifier of this class (EVR_UT)
*/
virtual DcmEVR ident() const;
/** check whether stored value conforms to the VR and to the specified VM
* @param vm parameter not used for this VR
* @param oldFormat parameter not used for this VR (only for DA, TM)
* @return status of the check, EC_Normal if value is correct, an error code otherwise
*/
virtual OFCondition checkValue(const OFString &vm = "",
const OFBool oldFormat = OFFalse);
/** get the value multiplicity.
* Since the backslash "\" is not regarded as a separator the value
* multiplicity is always 1.
* @return value multiplicity of the currently stored value
*/
virtual unsigned long getVM();
/** get a copy of a particular string component
* @param stringVal variable in which the result value is stored
* @param pos index of the value in case of multi-valued elements (0..vm-1)
* @param normalize delete leading and trailing spaces if OFTrue
* @return status, EC_Normal if successful, an error code otherwise
*/
virtual OFCondition getOFString(OFString &stringVal,
const unsigned long pos,
OFBool normalize = OFTrue);
/** get the string value (all components)
* @param stringVal string variable in which the result value is stored
* @param normalize remove trailing spaces if OFTrue
* @return status, EC_Normal if successful, an error code otherwise
*/
virtual OFCondition getOFStringArray(OFString &stringVal,
OFBool normalize = OFTrue);
/* --- static helper functions --- */
/** check whether given string value conforms to the VR "UT" (Unlimited Text)
* @param value string value to be checked
* @param charset character set (according to the value of the SpecificCharacterSet
* element) to be used for checking the string value. The default is ASCII (7-bit).
* Currently, the VR checker only supports ASCII (ISO_IR 6) and Latin-1 (ISO_IR 100).
* All other values disable the check of the value representation, e.g. "UNKNOWN".
* @return status of the check, EC_Normal if value is correct, an error code otherwise
*/
static OFCondition checkStringValue(const OFString &value,
const OFString &charset = "");
};
#endif // DCVRUT_H