text: /*============================================================================
  
   Copyright (c) German Cancer Research Center (DKFZ)
   All rights reserved.
  
   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are met:
  
   - Redistributions of source code must retain the above copyright notice, this
     list of conditions and the following disclaimer.
  
   - Redistributions in binary form must reproduce the above copyright notice,
     this list of conditions and the following disclaimer in the documentation
     and/or other materials provided with the distribution.
  
   - All advertising materials mentioning features or use of this software must
     display the following acknowledgement:
  
       "This product includes software developed by the German Cancer Research
        Center (DKFZ)."
  
   - Neither the name of the German Cancer Research Center (DKFZ) nor the names
     of its contributors may be used to endorse or promote products derived from
     this software without specific prior written permission.
  
     THIS SOFTWARE IS PROVIDED BY THE GERMAN CANCER RESEARCH CENTER (DKFZ) AND
     CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
     BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE GERMAN
     CANCER RESEARCH CENTER (DKFZ) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
     DAMAGE.
  
  ============================================================================*/
  
  
  /** @file
   *  inserts a tsv into the pic
   */
  #ifndef lint
    static char *what = { "@(#)mitkIpPicAddTag\t\tGerman Cancer Research Center (DKFZ)\t"__DATE__"\t$Revision$" };
  #endif
  
  #include "mitkIpPic.h"
  
  
  void
  mitkIpPicAddTag( mitkIpPicDescriptor *pic, mitkIpPicTSV_t *tsv )
  {
    pic->info->tags_head = _mitkIpPicInsertTag( pic->info->tags_head, tsv );
  }
  
  void
  mitkIpPicAddSubTag( mitkIpPicTSV_t *parent, mitkIpPicTSV_t *tsv )
  {
    if( parent->type != mitkIpPicTSV )
      return;
  
    parent->n[0]++;
    parent->value = _mitkIpPicInsertTag( parent->value, tsv );
  }
  
  _mitkIpPicTagsElement_t *
  _mitkIpPicInsertTag( _mitkIpPicTagsElement_t *head, mitkIpPicTSV_t *tsv )
  {
    int i;
    _mitkIpPicTagsElement_t *new;
    _mitkIpPicTagsElement_t *current;
  
    tsv->tag[_mitkIpPicTAGLEN] = '\0';
    for( i=strlen(tsv->tag); i<_mitkIpPicTAGLEN; i++ )
      tsv->tag[i] = ' ';
  
    new = malloc( sizeof(_mitkIpPicTagsElement_t) );
  
    new->tsv = tsv;
    new->prev = NULL;
    new->next = NULL;
  
    if( head == NULL )
      {
        head = new;
      }
    else
      {
        current = head;
  
        while( current->next != NULL )
          {
            current = current->next;
          }
  
        new->prev = current;
        current->next = new;
      }
  
    return( head );
  }
  