/usr/include/dcmtk/dcmdata/dcvrdt.h is in libdcmtk-dev 3.6.1~20160216-4.
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*
* Copyright (C) 1994-2015, 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 DcmDateTime
*
*/
#ifndef DCVRDT_H
#define DCVRDT_H
#include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */
#include "dcmtk/dcmdata/dcbytstr.h"
#include "dcmtk/ofstd/ofdatime.h"
/** a class representing the DICOM value representation 'Date Time' (DT)
*/
class DCMTK_DCMDATA_EXPORT DcmDateTime
: public DcmByteString
{
public:
/** constructor.
* Create new element from given tag and length.
* @param tag DICOM tag for the new element
* @param len value length for the new element
*/
DcmDateTime(const DcmTag &tag,
const Uint32 len = 0);
/** copy constructor
* @param old element to be copied
*/
DcmDateTime(const DcmDateTime &old);
/** destructor
*/
virtual ~DcmDateTime();
/** assignment operator
* @param obj element to be assigned/copied
* @return reference to this object
*/
DcmDateTime &operator=(const DcmDateTime &obj);
/** clone method
* @return deep copy of this object
*/
virtual DcmObject *clone() const
{
return new DcmDateTime(*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_DT)
*/
virtual DcmEVR ident() const;
/** check whether stored value conforms to the VR and to the specified VM
* @param vm value multiplicity (according to the data dictionary) to be checked for.
* (See DcmElement::checkVM() for a list of valid values.)
* @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 = "1-n",
const OFBool oldFormat = OFFalse);
/** get a copy of a particular string component
* @param stringValue 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 trailing spaces if OFTrue
* @return status, EC_Normal if successful, an error code otherwise
*/
virtual OFCondition getOFString(OFString &stringValue,
const unsigned long pos,
OFBool normalize = OFTrue);
/** set the element value to the current system date and time.
* The DICOM DT format supported by this function is "YYYYMMDDHHMM[SS[.FFFFFF]][&ZZZZ]"
* where the brackets enclose optional parts. If the current system date/time or parts
* of it are unavailable the corresponding values are set to "0" and an error code is
* returned - in fact, the date is set to "19000101" if unavailable.
* @param seconds add optional seconds ("SS") if OFTrue
* @param fraction add optional fractional part of a second (".FFFFFF") if OFTrue
* (requires parameter 'seconds' to be also OFTrue)
* @param timeZone add optional time zone ("&ZZZZ" where "&" is "+" or "-") if OFTrue.
* The time zone is given as the offset (hours and minutes) from Coordinated Universal
* Time (UTC).
* @return EC_Normal upon success, an error code otherwise
*/
OFCondition setCurrentDateTime(const OFBool seconds = OFTrue,
const OFBool fraction = OFFalse,
const OFBool timeZone = OFFalse);
/** set the element value to the given date and time
* @param dateTimeValue date to be set (should be a valid date and time)
* @return EC_Normal upon success, an error code otherwise
*/
OFCondition setOFDateTime(const OFDateTime &dateTimeValue);
/** get the current element value in OFDateTime format.
* Please note that the element value is expected to be in valid DICOM DT format
* ("YYYYMMDD[HH[MM[SS[.FFFFFF]]]][&ZZZZ]"). If the optional time zone ("&ZZZZ") is
* missing the local time zone is used.
* If this function fails the result variable 'dateTimeValue' is cleared automatically.
* @param dateTimeValue reference to OFDateTime variable where the result is stored
* @param pos index of the element component in case of value multiplicity (0..vm-1)
* @return EC_Normal upon success, an error code otherwise
*/
OFCondition getOFDateTime(OFDateTime &dateTimeValue,
const unsigned long pos = 0);
/** get the current element value in ISO date/time format.
* The ISO date/time format supported by this function is "YYYY-MM-DD[ HH:MM[:SS[.FFFFFF]]]
* [&HH:MM]" where the brackets enclose optional parts. Please note that the element value
* is expected to be in valid DICOM DT format ("YYYYMMDD[HH[MM[SS[.FFFFFF]]]][&ZZZZ]").
* If this function fails or the current element value is empty, the result variable
* 'formattedDateTime' is cleared automatically.
* @param formattedDateTime reference to string variable where the result is stored
* @param pos index of the element component in case of value multiplicity (0..vm-1)
* @param seconds add optional seconds (":SS") if OFTrue
* @param fraction add optional fractional part of a second (".FFFFFF") if OFTrue
* (requires parameter 'seconds' to be also OFTrue)
* @param timeZone add optional time zone ("&HH:MM" where "&" is "+" or "-") if OFTrue.
* The time zone is given as the offset (hours and minutes) from Coordinated Universal
* Time (UTC). Please note that the formatted time output is not adapted to the local
* time if the time zone is omitted.
* @param createMissingPart if OFTrue create optional parts (seconds, fractional part of
* a seconds and/or time zone) if absent in the element value
* @param dateTimeSeparator separator between ISO date and time value
* @param timeZoneSeparator separator between ISO time value and time zone
* @return EC_Normal upon success, an error code otherwise
*/
OFCondition getISOFormattedDateTime(OFString &formattedDateTime,
const unsigned long pos = 0,
const OFBool seconds = OFTrue,
const OFBool fraction = OFFalse,
const OFBool timeZone = OFTrue,
const OFBool createMissingPart = OFFalse,
const OFString &dateTimeSeparator = " ",
const OFString &timeZoneSeparator = " ");
/* --- static helper functions --- */
/** get the current system date and time.
* The DICOM DT format supported by this function is "YYYYMMDDHHMM[SS[.FFFFFF]][&ZZZZ]"
* where the brackets enclose optional parts. If the current system date/time or parts
* of it are unavailable the corresponding values are set to "0" and an error code is
* returned - in fact, the date is set to "19000101" if unavailable.
* @param dicomDateTime reference to string variable where the result is stored
* @param seconds add optional seconds ("SS") if OFTrue
* @param fraction add optional fractional part of a second (".FFFFFF") if OFTrue
* (requires parameter 'seconds' to be also OFTrue)
* @param timeZone add optional time zone ("&ZZZZ" where "&" is "+" or "-") if OFTrue.
* The time zone is given as the offset (hours and minutes) from Coordinated Universal
* Time (UTC).
* @return EC_Normal upon success, an error code otherwise
*/
static OFCondition getCurrentDateTime(OFString &dicomDateTime,
const OFBool seconds = OFTrue,
const OFBool fraction = OFFalse,
const OFBool timeZone = OFFalse);
/** get the specified OFDateTime value in DICOM format.
* The DICOM DT format supported by this function is "YYYYMMDDHHMM[SS[.FFFFFF]][&ZZZZ]"
* where the brackets enclose optional parts. If the current system date/time or parts
* of it are unavailable the corresponding values are set to "0" and an error code is
* returned - in fact, the date is set to "19000101" if unavailable.
* @param dateTimeValue date and time to be converted to DICOM format
* @param dicomDateTime reference to string variable where the result is stored
* @param seconds add optional seconds ("SS") if OFTrue
* @param fraction add optional fractional part of a second (".FFFFFF") if OFTrue
* (requires parameter 'seconds' to be also OFTrue)
* @param timeZone add optional time zone ("&ZZZZ" where "&" is "+" or "-") if OFTrue.
* The time zone is given as the offset (hours and minutes) from Coordinated Universal
* Time (UTC).
* @return EC_Normal upon success, an error code otherwise
*/
static OFCondition getDicomDateTimeFromOFDateTime(const OFDateTime &dateTimeValue,
OFString &dicomDateTime,
const OFBool seconds = OFTrue,
const OFBool fraction = OFFalse,
const OFBool timeZone = OFFalse);
/** get the specified DICOM date and time value in OFDateTime format.
* Please note that the element value is expected to be in valid DICOM DT format
* ("YYYYMMDD[HH[MM[SS[.FFFFFF]]]][&ZZZZ]"). If the optional time zone ("&ZZZZ") is
* missing the local time zone is used.
* If this function fails, the result variable 'dateTimeValue' is cleared automatically.
* @param dicomDateTime string value in DICOM DT format to be converted to ISO format.
* An empty string is not regarded as valid input, since the date/time would be unknown.
* @param dateTimeValue reference to OFDateTime variable where the result is stored
* @return EC_Normal upon success, an error code otherwise
*/
static OFCondition getOFDateTimeFromString(const OFString &dicomDateTime,
OFDateTime &dateTimeValue);
/** get the specified DICOM datetime value in ISO format.
* The ISO date/time format supported by this function is "YYYY-MM-DD[ HH:MM[:SS[.FFFFFF]]]
* [&HH:MM]" where the brackets enclose optional parts. Please note that the specified
* value is expected to be in valid DICOM DT format ("YYYYMMDD[HH[MM[SS[.FFFFFF]]]][&ZZZZ]").
* If this function fails or the specified DICOM datetime value is empty, the result
* variable 'formattedDateTime' is cleared automatically.
* @param dicomDateTime string value in DICOM DT format to be converted to ISO format
* @param formattedDateTime reference to string variable where the result is stored
* @param seconds add optional seconds (":SS") if OFTrue
* @param fraction add optional fractional part of a second (".FFFFFF") if OFTrue
* (requires parameter 'seconds' to be also OFTrue)
* @param timeZone add optional time zone ("&HH:MM" where "&" is "+" or "-") if OFTrue.
* The time zone is given as the offset (hours and minutes) from the Coordinated Universal
* Time (UTC). Please note that the formatted time output is not adapted to the local time
* if the time zone is omitted.
* @param createMissingPart if OFTrue create optional parts (seconds, fractional part of
* a seconds and/or time zone) if absent in the element value
* @param dateTimeSeparator separator between ISO date and time value
* @param timeZoneSeparator separator between ISO time value and time zone
* @return EC_Normal upon success, an error code otherwise
*/
static OFCondition getISOFormattedDateTimeFromString(const OFString &dicomDateTime,
OFString &formattedDateTime,
const OFBool seconds = OFTrue,
const OFBool fraction = OFFalse,
const OFBool timeZone = OFTrue,
const OFBool createMissingPart = OFFalse,
const OFString &dateTimeSeparator = " ",
const OFString &timeZoneSeparator = " ");
/** check whether given string value conforms to the VR "DT" (Date Time)
* and to the specified VM.
* @param value string value to be checked (possibly multi-valued)
* @param vm value multiplicity (according to the data dictionary) to be checked for.
* (See DcmElement::checkVM() for a list of valid values.)
* @return status of the check, EC_Normal if value is correct, an error code otherwise
*/
static OFCondition checkStringValue(const OFString &value,
const OFString &vm = "1-n");
};
#endif // DCVRDT_H
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