This file is indexed.

/usr/include/dcmtk/dcmrt/seq/drtitts.h is in libdcmtk-dev 3.6.2-3build3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
/*
 *
 *  Copyright (C) 2008-2012, OFFIS e.V. and ICSMED AG, Oldenburg, Germany
 *  Copyright (C) 2013-2017, J. Riesmeier, Oldenburg, Germany
 *  All rights reserved.  See COPYRIGHT file for details.
 *
 *  Header file for class DRTIonToleranceTableSequence
 *
 *  Generated automatically from DICOM PS 3.3-2017a
 *  File created on 2017-03-13 11:22:36
 *
 */


#ifndef DRTITTS_H
#define DRTITTS_H

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

#include "dcmtk/ofstd/oflist.h"        // for standard list class
#include "dcmtk/dcmrt/drttypes.h"      // module-specific helper class
#include "dcmtk/dcmrt/seq/drtbldts.h"  // for BeamLimitingDeviceToleranceSequence


/** Interface class for IonToleranceTableSequence (300a,03a0)
 */
class DCMTK_DCMRT_EXPORT DRTIonToleranceTableSequence
  : protected DRTTypes
{

  public:

    /** Item class
     */
    class DCMTK_DCMRT_EXPORT Item
      : protected DRTTypes
    {

      public:

      // --- constructors, destructor and operators ---

        /** (default) constructor
         *  @param emptyDefaultItem flag used to mark the empty default item
         */
        Item(const OFBool emptyDefaultItem = OFFalse);

        /** copy constructor
         *  @param copy item object to be copied
         */
        Item(const Item &copy);

        /** destructor
         */
        virtual ~Item();

        /** assigment operator
         *  @param copy item object to be copied
         *  @return reference to this object
         */
        Item &operator=(const Item &copy);

      // --- general methods ---

        /** clear all internal member variables
         */
        void clear();

        /** check if item is empty
         *  @return OFTrue if item is empty, OFFalse otherwise
         */
        OFBool isEmpty();

        /** check if item is valid, i.e.\ not the empty default item
         *  @return OFTrue if item is valid, OFFalse otherwise
         */
        OFBool isValid() const;

      // --- input/output methods ---

        /** read elements from sequence item
         *  @param  item    reference to DICOM sequence item from which the elements should be read
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition read(DcmItem &item);

        /** write elements to sequence item
         *  @param  item    reference to DICOM sequence item to which the elements should be written
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition write(DcmItem &item);

      // --- get DICOM attribute values ---

        /** get BeamLimitingDeviceAngleTolerance (300a,0046)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1), -1 for all components
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getBeamLimitingDeviceAngleTolerance(OFString &value, const signed long pos = 0) const;

        /** get BeamLimitingDeviceAngleTolerance (300a,0046)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getBeamLimitingDeviceAngleTolerance(Float64 &value, const unsigned long pos = 0) const;

        /** get ChairHeadFramePositionTolerance (300a,0153)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1), -1 for all components
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getChairHeadFramePositionTolerance(OFString &value, const signed long pos = 0) const;

        /** get ChairHeadFramePositionTolerance (300a,0153)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getChairHeadFramePositionTolerance(Float64 &value, const unsigned long pos = 0) const;

        /** get FixationLightAzimuthalAngleTolerance (300a,0154)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1), -1 for all components
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getFixationLightAzimuthalAngleTolerance(OFString &value, const signed long pos = 0) const;

        /** get FixationLightAzimuthalAngleTolerance (300a,0154)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getFixationLightAzimuthalAngleTolerance(Float64 &value, const unsigned long pos = 0) const;

        /** get FixationLightPolarAngleTolerance (300a,0155)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1), -1 for all components
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getFixationLightPolarAngleTolerance(OFString &value, const signed long pos = 0) const;

        /** get FixationLightPolarAngleTolerance (300a,0155)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getFixationLightPolarAngleTolerance(Float64 &value, const unsigned long pos = 0) const;

        /** get GantryAngleTolerance (300a,0044)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1), -1 for all components
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getGantryAngleTolerance(OFString &value, const signed long pos = 0) const;

        /** get GantryAngleTolerance (300a,0044)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getGantryAngleTolerance(Float64 &value, const unsigned long pos = 0) const;

        /** get HeadFixationAngleTolerance (300a,0152)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1), -1 for all components
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getHeadFixationAngleTolerance(OFString &value, const signed long pos = 0) const;

        /** get HeadFixationAngleTolerance (300a,0152)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getHeadFixationAngleTolerance(Float64 &value, const unsigned long pos = 0) const;

        /** get PatientSupportAngleTolerance (300a,004c)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1), -1 for all components
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getPatientSupportAngleTolerance(OFString &value, const signed long pos = 0) const;

        /** get PatientSupportAngleTolerance (300a,004c)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getPatientSupportAngleTolerance(Float64 &value, const unsigned long pos = 0) const;

        /** get SnoutPositionTolerance (300a,004b)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getSnoutPositionTolerance(Float32 &value, const unsigned long pos = 0) const;

        /** get TableTopLateralPositionTolerance (300a,0053)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1), -1 for all components
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getTableTopLateralPositionTolerance(OFString &value, const signed long pos = 0) const;

        /** get TableTopLateralPositionTolerance (300a,0053)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getTableTopLateralPositionTolerance(Float64 &value, const unsigned long pos = 0) const;

        /** get TableTopLongitudinalPositionTolerance (300a,0052)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1), -1 for all components
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getTableTopLongitudinalPositionTolerance(OFString &value, const signed long pos = 0) const;

        /** get TableTopLongitudinalPositionTolerance (300a,0052)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getTableTopLongitudinalPositionTolerance(Float64 &value, const unsigned long pos = 0) const;

        /** get TableTopPitchAngleTolerance (300a,004f)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getTableTopPitchAngleTolerance(Float32 &value, const unsigned long pos = 0) const;

        /** get TableTopRollAngleTolerance (300a,0050)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getTableTopRollAngleTolerance(Float32 &value, const unsigned long pos = 0) const;

        /** get TableTopVerticalPositionTolerance (300a,0051)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1), -1 for all components
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getTableTopVerticalPositionTolerance(OFString &value, const signed long pos = 0) const;

        /** get TableTopVerticalPositionTolerance (300a,0051)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getTableTopVerticalPositionTolerance(Float64 &value, const unsigned long pos = 0) const;

        /** get ToleranceTableLabel (300a,0043)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1), -1 for all components
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getToleranceTableLabel(OFString &value, const signed long pos = 0) const;

        /** get ToleranceTableNumber (300a,0042)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1), -1 for all components
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getToleranceTableNumber(OFString &value, const signed long pos = 0) const;

        /** get ToleranceTableNumber (300a,0042)
         *  @param  value  reference to variable in which the value should be stored
         *  @param  pos    index of the value to get (0..vm-1)
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition getToleranceTableNumber(Sint32 &value, const unsigned long pos = 0) const;

      // --- get DICOM sequence attributes ---

        /** get BeamLimitingDeviceToleranceSequence (300a,0048)
         *  @return reference to sequence element
         */
        DRTBeamLimitingDeviceToleranceSequence &getBeamLimitingDeviceToleranceSequence()
            { return BeamLimitingDeviceToleranceSequence; }

        /** get BeamLimitingDeviceToleranceSequence (300a,0048)
         *  @return const reference to sequence element
         */
        const DRTBeamLimitingDeviceToleranceSequence &getBeamLimitingDeviceToleranceSequence() const
            { return BeamLimitingDeviceToleranceSequence; }

      // --- set DICOM attribute values ---

        /** set BeamLimitingDeviceAngleTolerance (300a,0046)
         *  @param  value  value to be set (single value only) or "" for no value
         *  @param  check  check 'value' for conformance with VR (DS) and VM (1) if enabled
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setBeamLimitingDeviceAngleTolerance(const OFString &value, const OFBool check = OFTrue);

        /** set ChairHeadFramePositionTolerance (300a,0153)
         *  @param  value  value to be set (single value only) or "" for no value
         *  @param  check  check 'value' for conformance with VR (DS) and VM (1) if enabled
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setChairHeadFramePositionTolerance(const OFString &value, const OFBool check = OFTrue);

        /** set FixationLightAzimuthalAngleTolerance (300a,0154)
         *  @param  value  value to be set (single value only) or "" for no value
         *  @param  check  check 'value' for conformance with VR (DS) and VM (1) if enabled
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setFixationLightAzimuthalAngleTolerance(const OFString &value, const OFBool check = OFTrue);

        /** set FixationLightPolarAngleTolerance (300a,0155)
         *  @param  value  value to be set (single value only) or "" for no value
         *  @param  check  check 'value' for conformance with VR (DS) and VM (1) if enabled
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setFixationLightPolarAngleTolerance(const OFString &value, const OFBool check = OFTrue);

        /** set GantryAngleTolerance (300a,0044)
         *  @param  value  value to be set (single value only) or "" for no value
         *  @param  check  check 'value' for conformance with VR (DS) and VM (1) if enabled
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setGantryAngleTolerance(const OFString &value, const OFBool check = OFTrue);

        /** set HeadFixationAngleTolerance (300a,0152)
         *  @param  value  value to be set (single value only) or "" for no value
         *  @param  check  check 'value' for conformance with VR (DS) and VM (1) if enabled
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setHeadFixationAngleTolerance(const OFString &value, const OFBool check = OFTrue);

        /** set PatientSupportAngleTolerance (300a,004c)
         *  @param  value  value to be set (single value only) or "" for no value
         *  @param  check  check 'value' for conformance with VR (DS) and VM (1) if enabled
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setPatientSupportAngleTolerance(const OFString &value, const OFBool check = OFTrue);

        /** set SnoutPositionTolerance (300a,004b)
         *  @param  value  value to be set (should be valid for this VR)
         *  @param  pos    index of the value to be set (0..vm-1), vm=1
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setSnoutPositionTolerance(const Float32 value, const unsigned long pos = 0);

        /** set TableTopLateralPositionTolerance (300a,0053)
         *  @param  value  value to be set (single value only) or "" for no value
         *  @param  check  check 'value' for conformance with VR (DS) and VM (1) if enabled
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setTableTopLateralPositionTolerance(const OFString &value, const OFBool check = OFTrue);

        /** set TableTopLongitudinalPositionTolerance (300a,0052)
         *  @param  value  value to be set (single value only) or "" for no value
         *  @param  check  check 'value' for conformance with VR (DS) and VM (1) if enabled
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setTableTopLongitudinalPositionTolerance(const OFString &value, const OFBool check = OFTrue);

        /** set TableTopPitchAngleTolerance (300a,004f)
         *  @param  value  value to be set (should be valid for this VR)
         *  @param  pos    index of the value to be set (0..vm-1), vm=1
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setTableTopPitchAngleTolerance(const Float32 value, const unsigned long pos = 0);

        /** set TableTopRollAngleTolerance (300a,0050)
         *  @param  value  value to be set (should be valid for this VR)
         *  @param  pos    index of the value to be set (0..vm-1), vm=1
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setTableTopRollAngleTolerance(const Float32 value, const unsigned long pos = 0);

        /** set TableTopVerticalPositionTolerance (300a,0051)
         *  @param  value  value to be set (single value only) or "" for no value
         *  @param  check  check 'value' for conformance with VR (DS) and VM (1) if enabled
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setTableTopVerticalPositionTolerance(const OFString &value, const OFBool check = OFTrue);

        /** set ToleranceTableLabel (300a,0043)
         *  @param  value  value to be set (single value only) or "" for no value
         *  @param  check  check 'value' for conformance with VR (SH) and VM (1) if enabled
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setToleranceTableLabel(const OFString &value, const OFBool check = OFTrue);

        /** set ToleranceTableNumber (300a,0042)
         *  @param  value  value to be set (single value only) or "" for no value
         *  @param  check  check 'value' for conformance with VR (IS) and VM (1) if enabled
         *  @return status, EC_Normal if successful, an error code otherwise
         */
        OFCondition setToleranceTableNumber(const OFString &value, const OFBool check = OFTrue);

      private:

        /// internal flag used to mark the empty default item
        /*const*/ OFBool EmptyDefaultItem;

        /// BeamLimitingDeviceAngleTolerance (300a,0046) vr=DS, vm=1, type=3
        DcmDecimalString BeamLimitingDeviceAngleTolerance;
        /// BeamLimitingDeviceToleranceSequence (300a,0048) vr=SQ, vm=1, type=3
        DRTBeamLimitingDeviceToleranceSequence BeamLimitingDeviceToleranceSequence;
        /// ChairHeadFramePositionTolerance (300a,0153) vr=DS, vm=1, type=3
        DcmDecimalString ChairHeadFramePositionTolerance;
        /// FixationLightAzimuthalAngleTolerance (300a,0154) vr=DS, vm=1, type=3
        DcmDecimalString FixationLightAzimuthalAngleTolerance;
        /// FixationLightPolarAngleTolerance (300a,0155) vr=DS, vm=1, type=3
        DcmDecimalString FixationLightPolarAngleTolerance;
        /// GantryAngleTolerance (300a,0044) vr=DS, vm=1, type=3
        DcmDecimalString GantryAngleTolerance;
        /// HeadFixationAngleTolerance (300a,0152) vr=DS, vm=1, type=3
        DcmDecimalString HeadFixationAngleTolerance;
        /// PatientSupportAngleTolerance (300a,004c) vr=DS, vm=1, type=3
        DcmDecimalString PatientSupportAngleTolerance;
        /// SnoutPositionTolerance (300a,004b) vr=FL, vm=1, type=3
        DcmFloatingPointSingle SnoutPositionTolerance;
        /// TableTopLateralPositionTolerance (300a,0053) vr=DS, vm=1, type=3
        DcmDecimalString TableTopLateralPositionTolerance;
        /// TableTopLongitudinalPositionTolerance (300a,0052) vr=DS, vm=1, type=3
        DcmDecimalString TableTopLongitudinalPositionTolerance;
        /// TableTopPitchAngleTolerance (300a,004f) vr=FL, vm=1, type=3
        DcmFloatingPointSingle TableTopPitchAngleTolerance;
        /// TableTopRollAngleTolerance (300a,0050) vr=FL, vm=1, type=3
        DcmFloatingPointSingle TableTopRollAngleTolerance;
        /// TableTopVerticalPositionTolerance (300a,0051) vr=DS, vm=1, type=3
        DcmDecimalString TableTopVerticalPositionTolerance;
        /// ToleranceTableLabel (300a,0043) vr=SH, vm=1, type=3
        DcmShortString ToleranceTableLabel;
        /// ToleranceTableNumber (300a,0042) vr=IS, vm=1, type=1
        DcmIntegerString ToleranceTableNumber;

    };

  // --- constructors, destructor and operators ---

    /** (default) constructor
     *  @param emptyDefaultSequence internal flag used to mark the empty default sequence
     */
    DRTIonToleranceTableSequence(const OFBool emptyDefaultSequence = OFFalse);

    /** copy constructor
     *  @param copy sequence object to be copied
     */
    DRTIonToleranceTableSequence(const DRTIonToleranceTableSequence &copy);

    /** destructor
     */
    virtual ~DRTIonToleranceTableSequence();

    /** assigment operator
     *  @param copy sequence object to be copied
     *  @return reference to this object
     */
    DRTIonToleranceTableSequence &operator=(const DRTIonToleranceTableSequence &copy);

  // --- general methods ---

    /** clear all internal member variables
     */
    void clear();

    /** check if sequence is empty
     *  @return OFTrue if sequence is empty, OFFalse otherwise
     */
    OFBool isEmpty();

    /** check if sequence is valid, i.e.\ not the empty default sequence
     *  @return OFTrue if sequence is valid, OFFalse otherwise
     */
    OFBool isValid() const;

    /** get number of items in the sequence
     *  @return number of items
     */
    size_t getNumberOfItems() const;

    /** goto first item in the sequence
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition gotoFirstItem();

    /** goto next item in the sequence
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition gotoNextItem();

    /** goto particular item in the sequence
     *  @param  num  number of the item to be selected (0..num-1)
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition gotoItem(const size_t num);

    /** get current item in the sequence
     *  @param  item  reference to item pointer (result variable)
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition getCurrentItem(Item *&item) const;

    /** get current item in the sequence
     *  @return reference to specified item if successful, empty default item otherwise
     */
    Item &getCurrentItem();

    /** get current item in the sequence
     *  @return const reference to specified item if successful, empty default item otherwise
     */
    const Item &getCurrentItem() const;

    /** get particular item in the sequence
     *  @param  num   number of the item to be retrieved (0..num-1)
     *  @param  item  reference to item pointer (result variable)
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition getItem(const size_t num, Item *&item);

    /** get particular item in the sequence
     *  @param  num  number of the item to be retrieved (0..num-1)
     *  @return reference to specified item if successful, empty default item otherwise
     */
    Item &getItem(const size_t num);

    /** get particular item in the sequence
     *  @param  num  number of the item to be retrieved (0..num-1)
     *  @return const reference to specified item if successful, empty default item otherwise
     */
    const Item &getItem(const size_t num) const;

    /** get particular item in the sequence
     *  @param  num  number of the item to be retrieved (0..num-1)
     *  @return reference to specified item if successful, empty default item otherwise
     */
    Item &operator[](const size_t num);

    /** get particular item in the sequence
     *  @param  num  number of the item to be retrieved (0..num-1)
     *  @return const reference to specified item if successful, empty default item otherwise
     */
    const Item &operator[](const size_t num) const;

    /** add new item to the end of this sequence
     *  @param  item  reference to new item pointer (result variable)
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition addItem(Item *&item);

    /** insert new item into the sequence
     *  @param  pos   position where the new item is to be inserted (0..num)
     *  @param  item  reference to new item pointer (result variable)
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition insertItem(const size_t pos, Item *&item);

    /** remove particular item from the sequence
     *  @param  pos  position of the item to be removed (0..num-1)
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition removeItem(const size_t pos);

  // --- input/output methods ---

    /** read sequence of items from dataset
     *  @param  dataset     reference to DICOM dataset from which the sequence should be read
     *  @param  card        cardinality (valid range for number of items)
     *  @param  type        value type (valid value: "1", "1C", "2" or something else which is not checked)
     *  @param  moduleName  optional module/sequence name to be printed (default: "RT object" if NULL)
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition read(DcmItem &dataset,
                     const OFString &card,
                     const OFString &type,
                     const char *moduleName = NULL);

    /** write sequence of items to dataset
     *  @param  dataset     reference to DICOM dataset to which the sequence should be written
     *  @param  card        cardinality (valid range for number of items)
     *  @param  type        value type (valid value: "1", "2" or something else which is not checked)
     *  @param  moduleName  optional module/sequence name to be printed (default: "RT object" if NULL)
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition write(DcmItem &dataset,
                      const OFString &card,
                      const OFString &type,
                      const char *moduleName = NULL);

  protected:

    /** goto particular item in the sequence
     *  @param  num       number of the item to be selected (0..num-1)
     *  @param  iterator  list iterator storing the position of the item
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition gotoItem(const size_t num,
                         OFListIterator(Item *) &iterator);

    /** goto particular item in the sequence
     *  @param  num       number of the item to be selected (0..num-1)
     *  @param  iterator  list iterator storing the position of the item
     *  @return status, EC_Normal if successful, an error code otherwise
     */
    OFCondition gotoItem(const size_t num,
                         OFListConstIterator(Item *) &iterator) const;

  private:

    /// internal flag used to mark the empty default sequence
    /*const*/ OFBool EmptyDefaultSequence;

    /// list of items in this sequence
    OFList<Item *>         SequenceOfItems;
    /// currently selected item
    OFListIterator(Item *) CurrentItem;
    /// empty default item
    Item                   EmptyItem;

};


#endif