/usr/include/dcmtk/ofstd/ofdate.h is in libdcmtk-dev 3.6.1~20150924-5.
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*
* Copyright (C) 2002-2011, 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: ofstd
*
* Author: Joerg Riesmeier
*
* Purpose: Class for date functions
*
*/
#ifndef OFDATE_H
#define OFDATE_H
#include "dcmtk/config/osconfig.h"
BEGIN_EXTERN_C
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h> /* for struct time_t */
#endif
END_EXTERN_C
#include "dcmtk/ofstd/ofstring.h" /* for class OFString */
#include "dcmtk/ofstd/ofstream.h" /* for ostream */
/*---------------------*
* class declaration *
*---------------------*/
/** This class provides a collection of date functions
*/
class DCMTK_OFSTD_EXPORT OFDate
{
// allow class OFDateTime to access protected class members
friend class OFDateTime;
public:
/** default constructor.
* Initializes Year, Month and Day to 0.
*/
OFDate();
/** copy constructor
* @param dateVal date object to be copied
*/
OFDate(const OFDate &dateVal);
/** constructor with init values
* @param year year value to be set
* @param month month value to be set
* @param day day value to be set
*/
OFDate(const unsigned int year,
const unsigned int month,
const unsigned int day);
/** destructor
*/
virtual ~OFDate();
/** assignment operator
* @param dateVal date value to be set
* @return reference to this object (with new value)
*/
virtual OFDate &operator=(const OFDate &dateVal);
/** comparison operator (equal)
* @param dateVal date value compared with the current value
* @return OFTrue if given date is equal, OFFalse otherwise
*/
virtual OFBool operator==(const OFDate &dateVal) const;
/** comparison operator (unequal)
* @param dateVal date value compared with the current value
* @return OFTrue if given date is unequal, OFFalse otherwise
*/
virtual OFBool operator!=(const OFDate &dateVal) const;
/** comparison operator (less than)
* @param dateVal date value compared with the current value
* @return OFTrue if current date is earlier than the given value,
* OFFalse otherwise
*/
virtual OFBool operator<(const OFDate &dateVal) const;
/** comparison operator (less than or equal)
* @param dateVal date value compared with the current value
* @return OFTrue if current date is earlier than or identical to the given value,
* OFFalse otherwise
*/
virtual OFBool operator<=(const OFDate &dateVal) const;
/** comparison operator (greater than or equal)
* @param dateVal date value compared with the current value
* @return OFTrue if current date is later than or identical to the given value,
* OFFalse otherwise
*/
virtual OFBool operator>=(const OFDate &dateVal) const;
/** comparison operator (greater than)
* @param dateVal date value compared with the current value
* @return OFTrue if current date is later than the given value,
* OFFalse otherwise
*/
virtual OFBool operator>(const OFDate &dateVal) const;
/** reset the date value.
* Sets the year, month and day to "0". NB: Date becomes invalid.
*/
virtual void clear();
/** check whether the currently stored date value is valid.
* Currently, this method only checks whether the month is within the range of 1 to 12
* and the day is within the range of 1 to 31. In the future this routine might be
* enhanced.
* @return OFTrue if the current value is valid, OFFalse otherwise
*/
virtual OFBool isValid() const;
/** set the date value to the specified date.
* Before the new value is set it is checked using the "isValid()" routine.
* @param year new year value to be set
* @param month new month value to be set
* @param day new day value to be set
* @return OFTrue if the new value is valid and has been set, OFFalse otherwise
*/
OFBool setDate(const unsigned int year,
const unsigned int month,
const unsigned int day);
/** set the date value to the specified year.
* Before the new value is set it is checked using the "isValid()" routine.
* @param year new year value to be set
* @return OFTrue if the new value is valid and has been set, OFFalse otherwise
*/
OFBool setYear(const unsigned int year);
/** set the date value to the specified month.
* Before the new value is set it is checked using the "isValid()" routine.
* @param month new month value to be set
* @return OFTrue if the new value is valid and has been set, OFFalse otherwise
*/
OFBool setMonth(const unsigned int month);
/** set the date value to the specified day.
* Before the new value is set it is checked using the "isValid()" routine.
* @param day new day value to be set
* @return OFTrue if the new value is valid and has been set, OFFalse otherwise
*/
OFBool setDay(const unsigned int day);
/** set the date value to the current system date.
* This function uses operating system dependent routines. If they are unavailable
* for some reason the current value is not modified.
* @return OFTrue if the current system date has been set, OFFalse otherwise
*/
OFBool setCurrentDate();
/** set the date value to the given ISO formatted date string.
* The two ISO date formats supported by this function are "YYYY-MM-DD" (with arbitrary
* delimiters) and "YYYYMMDD" (without delimiters, useful for DICOM date type).
* @param formattedDate ISO formatted date value to be set
* @return OFTrue if input is valid and result variable has been set, OFFalse otherwise
*/
OFBool setISOFormattedDate(const OFString &formattedDate);
/** get the currently stored year value
* @return year value (might be invalid, i.e. out of range)
*/
unsigned int getYear() const;
/** get the currently stored month value
* @return month value (might be invalid, i.e. out of range)
*/
unsigned int getMonth() const;
/** get the currently stored day value
* @return day value (might be invalid, i.e. out of range)
*/
unsigned int getDay() const;
/** get the current date value in ISO format.
* The two ISO date formats supported by this function are "YYYY-MM-DD" (with
* delimiters) and "YYYYMMDD" (without delimiters, useful for DICOM date type).
* @param formattedDate reference to string variable where the result is stored
* @param showDelimiter flag, indicating whether to use delimiters ("-") or not
* @return OFTrue if result variable has been set, OFFalse otherwise
*/
OFBool getISOFormattedDate(OFString &formattedDate,
const OFBool showDelimiter = OFTrue) const;
/* --- static helper functions --- */
/** get the current system date
* @return date object with the current system date set
*/
static OFDate getCurrentDate();
protected:
/** set the date value to the current system date.
* This function uses operating system dependent routines. If they are unavailable
* for some reason the current value is not modified.
* @param tt current system time (as returned by the time() function )
* @return OFTrue if the current system date has been set, OFFalse otherwise
*/
OFBool setCurrentDate(const time_t &tt);
/* --- static helper functions --- */
/** check whether the given date is valid.
* Currently, this method only checks whether the month is within the range of 1 to 12
* and the day is within the range of 1 to 31. In the future this routine might be
* enhanced.
* @param year year value to be checked
* @param month month value to be checked
* @param day day value to be checked
* @return OFTrue if the current value is valid, OFFalse otherwise
*/
static OFBool isDateValid(const unsigned int year,
const unsigned int month,
const unsigned int day);
private:
/// currently stored year value
unsigned int Year;
/// currently stored month value
unsigned int Month;
/// currently stored day value
unsigned int Day;
};
/** put the given date in ISO format on the output stream.
* If an error occurs nothing is printed.
* @param stream output stream
* @param dateVal OFDate object to print
* @return reference to the output stream
*/
DCMTK_OFSTD_EXPORT STD_NAMESPACE ostream& operator<<(STD_NAMESPACE ostream& stream, const OFDate &dateVal);
#endif
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