dcmdata/include/dcmtk/dcmdata/dcvrtm.h

/*
 *
 *  Copyright (C) 1994-2010, 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:  Gerd Ehlers, Joerg Riesmeier
 *
 *  Purpose: Interface of class DcmTime
 *
 *  Last Update:      $Author: joergr $
 *  Update Date:      $Date: 2010-11-05 09:34:11 $
 *  CVS/RCS Revision: $Revision: 1.26 $
 *  Status:           $State: Exp $
 *
 *  CVS/RCS Log at end of file
 *
 */

#ifndef DCVRTM_H
#define DCVRTM_H

#include "dcmtk/config/osconfig.h"    /* make sure OS specific configuration is included first */

#include "dcmtk/dcmdata/dctypes.h"
#include "dcmtk/dcmdata/dcbytstr.h"
#include "dcmtk/ofstd/oftime.h"


class DcmTime
  : public DcmByteString
{

  public:

    DcmTime(const DcmTag &tag,
            const Uint32 len = 0);

    DcmTime(const DcmTime &old);

    virtual ~DcmTime();

    DcmTime &operator=(const DcmTime &obj);

    virtual DcmObject *clone() const
    {
      return new DcmTime(*this);
    }

    virtual OFCondition copyFrom(const DcmObject& rhs);

    virtual DcmEVR ident() const;

    virtual OFCondition checkValue(const OFString &vm = "1-n",
                                   const OFBool oldFormat = OFFalse);

    virtual OFCondition getOFString(OFString &stringValue,
                                    const unsigned long pos,
                                    OFBool normalize = OFTrue);

    OFCondition setCurrentTime(const OFBool seconds = OFTrue,
                               const OFBool fraction = OFFalse);

    OFCondition setOFTime(const OFTime &timeValue);

    OFCondition getOFTime(OFTime &timeValue,
                          const unsigned long pos = 0,
                          const OFBool supportOldFormat = OFTrue);

    OFCondition getISOFormattedTime(OFString &formattedTime,
                                    const unsigned long pos = 0,
                                    const OFBool seconds = OFTrue,
                                    const OFBool fraction = OFFalse,
                                    const OFBool createMissingPart = OFFalse,
                                    const OFBool supportOldFormat = OFTrue);

    /* --- static helper functions --- */

    static OFCondition getCurrentTime(OFString &dicomTime,
                                      const OFBool seconds = OFTrue,
                                      const OFBool fraction = OFFalse);

    static OFCondition getDicomTimeFromOFTime(const OFTime &timeValue,
                                              OFString &dicomTime,
                                              const OFBool seconds = OFTrue,
                                              const OFBool fraction = OFFalse);

    static OFCondition getOFTimeFromString(const OFString &dicomTime,
                                           OFTime &timeValue,
                                           const OFBool supportOldFormat = OFTrue);

    static OFCondition getISOFormattedTimeFromString(const OFString &dicomTime,
                                                     OFString &formattedTime,
                                                     const OFBool seconds = OFTrue,
                                                     const OFBool fraction = OFFalse,
                                                     const OFBool createMissingPart = OFFalse,
                                                     const OFBool supportOldFormat = OFTrue);

    static OFCondition getTimeZoneFromString(const OFString &dicomTimeZone,
                                             double &timeZone);

    static OFCondition checkStringValue(const OFString &value,
                                        const OFString &vm = "1-n",
                                        const OFBool oldFormat = OFFalse);
};


#endif // DCVRTM_H


/*
** CVS/RCS Log:
** $Log: dcvrtm.h,v $
** Revision 1.26  2010-11-05 09:34:11  joergr
** Added support for checking the value multiplicity "9" (see Supplement 131).
**
** Revision 1.25  2010-10-14 13:15:43  joergr
** Updated copyright header. Added reference to COPYRIGHT file.
**
** Revision 1.24  2010-04-23 15:26:13  joergr
** Specify an appropriate default value for the "vm" parameter of checkValue().
**
** Revision 1.23  2010-04-23 14:25:27  joergr
** Added new method to all VR classes which checks whether the stored value
** conforms to the VR definition and to the specified VM.
**
** Revision 1.22  2010-04-22 09:31:30  joergr
** Revised misleading parameter documentation for the checkValue() method.
**
** Revision 1.21  2010-04-22 08:59:10  joergr
** Added support for further VM values ("1-8", "1-99", "16", "32") to be checked.
**
** Revision 1.20  2009-08-03 09:05:30  joergr
** Added methods that check whether a given string value conforms to the VR and
** VM definitions of the DICOM standards.
**
** Revision 1.19  2008-07-17 11:19:49  onken
** Updated copyFrom() documentation.
**
** Revision 1.18  2008-07-17 10:30:23  onken
** Implemented copyFrom() method for complete DcmObject class hierarchy, which
** permits setting an instance's value from an existing object. Implemented
** assignment operator where necessary.
**
** Revision 1.17  2005-12-08 16:29:11  meichel
** Changed include path schema for all DCMTK header files
**
** Revision 1.16  2004/07/01 12:28:25  meichel
** Introduced virtual clone method for DcmObject and derived classes.
**
** Revision 1.15  2002/12/06 12:49:19  joergr
** Enhanced "print()" function by re-working the implementation and replacing
** the boolean "showFullData" parameter by a more general integer flag.
** Added doc++ documentation.
** Made source code formatting more consistent with other modules/files.
**
** Revision 1.14  2002/04/25 09:58:07  joergr
** Removed getOFStringArray() implementation.
**
** Revision 1.13  2002/04/11 12:25:10  joergr
** Enhanced DICOM date, time and date/time classes. Added support for new
** standard date and time functions.
**
** Revision 1.12  2001/10/10 15:18:17  joergr
** Added new flag to date/time routines allowing to choose whether the old
** prior V3.0 format for the corresponding DICOM VRs is supported or not.
**
** Revision 1.11  2001/10/01 15:01:40  joergr
** Introduced new general purpose functions to get/set person names, date, time
** and date/time.
**
** Revision 1.10  2001/09/25 17:19:34  meichel
** Adapted dcmdata to class OFCondition
**
** Revision 1.9  2001/06/01 15:48:53  meichel
** Updated copyright header
**
** Revision 1.8  2000/03/08 16:26:26  meichel
** Updated copyright header.
**
** Revision 1.7  1999/03/31 09:25:08  meichel
** Updated copyright header in module dcmdata
**
** Revision 1.6  1998/11/12 16:47:56  meichel
** Implemented operator= for all classes derived from DcmObject.
**
** Revision 1.5  1997/09/11 15:13:17  hewett
** Modified getOFString method arguments by removing a default value
** for the pos argument.  By requiring the pos argument to be provided
** ensures that callers realise getOFString only gets one component of
** a multi-valued string.
**
** Revision 1.4  1997/08/29 08:32:45  andreas
** - Added methods getOFString and getOFStringArray for all
**   string VRs. These methods are able to normalise the value, i. e.
**   to remove leading and trailing spaces. This will be done only if
**   it is described in the standard that these spaces are not relevant.
**   These methods do not test the strings for conformance, this means
**   especially that they do not delete spaces where they are not allowed!
**   getOFStringArray returns the string with all its parts separated by \
**   and getOFString returns only one value of the string.
**   CAUTION: Currently getString returns a string with trailing
**   spaces removed (if dcmEnableAutomaticInputDataCorrection == OFTrue) and
**   truncates the original string (since it is not copied!). If you rely on this
**   behaviour please change your application now.
**   Future changes will ensure that getString returns the original
**   string from the DICOM object (NULL terminated) inclusive padding.
**   Currently, if you call getOF... before calling getString without
**   normalisation, you can get the original string read from the DICOM object.
**
** Revision 1.3  1996/01/05 13:23:10  andreas
** - changed to support new streaming facilities
** - more cleanups
** - merged read / write methods for block and file transfer
**
*/

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