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/********************************************************************************/
/* */
/* Papyrus 3 library. */
/* This library constitutes a DICOM file system which helps reading and writing */
/* DICOM files and DICOMDIR files. */
/* */
/* Copyright (C) 2004 - Service of Medical Informatics - */
/* University Hospitals of Geneva (HUG), Geneva, Switzerland */
/* */
/* This library is a free software; you can redistribute it and/or modify it */
/* under the terms of the GNU Lesser General Public License as published by the */
/* Free Software Foundation; either version 2.1 of the License, or */
/* (at your option) any later version. */
/* */
/* This library is distributed in the hope that it will be useful, */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. */
/* See the GNU Lesser General Public License for more details. */
/* */
/* You should have received a copy of the GNU Lesser General Public License */
/* along with this library; if not, write to */
/* the Free Software Foundation, Inc., */
/* 59 Temple Place, Suite 330, */
/* Boston, MA 02111-1307 USA */
/* */
/* You can contact us for more information at osiris@sim.hcuge.ch */
/* or by writing to Papyrus, */
/* Unite d'Imagerie Numerique / Service d'Informatique Medicale / HUG, */
/* 24, Micheli-du-Crest street, 1211 Geneva 14, Switzerland. */
/* */
/* The University Hopitals of Geneva, hereby disclaims all copyright interest */
/* in the library `Papyrus' (a library for reading and writing DICOM files). */
/* */
/* Geneva, april 2004 */
/* Antoine Geissbuhler, head of the Service of Medical Informatics, */
/* University Hospitals of Geneva, Switzerland */
/* */
/********************************************************************************/
/********************************************************************************/
/* */
/* Project : P A P Y R U S Toolkit */
/* File : PapyList3.c */
/* Function : Generic list handler for handling the list of modules, */
/* objects and sequences in Papyrus 3 */
/* Authors : Christian Girard */
/* Marianne Logean */
/* */
/* History : 06.1994 version 3.0 */
/* 06.1995 version 3.1 */
/* 02.1996 version 3.3 */
/* 02.1999 version 3.6 */
/* 04.2001 version 3.7 */
/* 09.2001 version 3.7 on CVS */
/* 10.2001 version 3.71 MAJ Dicom par CHG */
/* */
/********************************************************************************/
#ifdef Mac
#pragma segment papy3
#endif
/* ------------------------- includes ---------------------------------------*/
#include <stdio.h>
#include <memory.h>
#ifndef Papyrus3H
#include "Papyrus3.h"
#endif
/********************************************************************************/
/* */
/* InsertFirstInList : Create a new Item at the first place in the list */
/* and insert the given Object in it. */
/* return : The created cell if OK, NULL otherwise */
/* */
/********************************************************************************/
Papy_List *
InsertFirstInList (Papy_List **ioListP, Object *inElemToInsertP)
{
Papy_List *theNewCellP;
/* create the new cell and put the Object in */
if ((theNewCellP = (Papy_List *) emalloc3 ((PapyULong) sizeof (Papy_List))) == NULL)
return NULL;
theNewCellP->object = inElemToInsertP;
theNewCellP->next = (*ioListP);
/* change the head pointer */
*ioListP = theNewCellP;
return theNewCellP;
} /* endof InsertFirstInList */
/********************************************************************************/
/* */
/* InsertLastInList : Create a new Item at the last place in the list */
/* and insert the given Object in it. */
/* return : The created cell if OK, NULL otherwise */
/* */
/********************************************************************************/
Papy_List *
InsertLastInList (Papy_List **ioListP, Object *inElemToInsertP)
{
Papy_List *theWrkP, *theNewCellP;
/* create the new cell and put the Object in */
if ((theNewCellP = (Papy_List *) emalloc3 ((PapyULong) sizeof (Papy_List))) == NULL)
return NULL;
theNewCellP->object = inElemToInsertP;
theNewCellP->next = NULL;
/* if the ioListP is empty */
if (*ioListP == NULL)
*ioListP = theNewCellP;
else
{
/* look for the last cell */
theWrkP = *ioListP;
while (theWrkP->next != NULL) theWrkP = theWrkP->next;
/* insert the new element */
theWrkP->next = theNewCellP;
} /* else */
return theNewCellP;
} /* endof InsertLastInList */
/********************************************************************************/
/* */
/* InsertInListAt : Create a new Item after the specified cell in the list */
/* and insert the given Object in it. */
/* return : The created cell if OK, NULL otherwise */
/* */
/********************************************************************************/
Papy_List *
InsertInListAt (Papy_List **ioListP, Object *inElemToInsertP, PapyShort inPos)
{
Papy_List *theWrkP, *theNewCellP;
PapyShort i;
/* create the new cell and put the Object in */
if ((theNewCellP = (Papy_List *) emalloc3 ((PapyULong) sizeof (Papy_List))) == NULL)
return NULL;
theNewCellP->object = inElemToInsertP;
theNewCellP->next = NULL;
/* if the ioListP is empty */
if (*ioListP == NULL || inPos == 0)
{
theNewCellP->next = NULL;
*ioListP = theNewCellP;
}
else
{
/* look for the insertion point */
theWrkP = *ioListP;
for (i = 1; i < inPos; i++)
{
if (theWrkP == NULL) return NULL;
theWrkP = theWrkP->next;
} /* for */
/* insert the new element */
theNewCellP->next = theWrkP->next;
theWrkP->next = theNewCellP;
} /* else */
return theNewCellP;
} /* endof InsertInListAt */
/********************************************************************************/
/* */
/* InsertGroupInList : Create a new Item containing a group. The insertion */
/* criteria is that the group numbers are increasing. */
/* return : The created cell if OK, NULL otherwise */
/* */
/********************************************************************************/
Papy_List *
InsertGroupInList (Papy_List **ioListP, Object *inElemToInsertP)
{
Papy_List *theWrk1P, *theWrk2P, *theNewCellP;
/* verify it is a group */
if (inElemToInsertP->whoAmI != papGroup) return NULL;
/* create the new cell and put the Object in */
if ((theNewCellP = (Papy_List *) emalloc3 ((PapyULong) sizeof (Papy_List))) == NULL)
return NULL;
theNewCellP->object = inElemToInsertP;
theNewCellP->next = NULL;
/* if the ioListP is empty */
if ((*ioListP == NULL) ||
((*ioListP)->object->group->group > theNewCellP->object->group->group))
{
theNewCellP->next = *ioListP;
*ioListP = theNewCellP;
}
else
{
/* look for the insertion point, i.e. compares the group numbers */
theWrk1P = *ioListP;
theWrk2P = *ioListP;
while ((theWrk1P != NULL) &&
(theWrk1P->object->group->group < theNewCellP->object->group->group))
{
theWrk2P = theWrk1P;
theWrk1P = theWrk1P->next;
} /* while */
/* insert the new element */
theNewCellP->next = theWrk1P;
theWrk2P->next = theNewCellP;
} /* else */
return theNewCellP;
} /* endof InsertGroupInList */
/********************************************************************************/
/* */
/* FreeCell : Deletes the given item as well as its content. Deletes the */
/* content selectively depending on the values of the parameters.This */
/* allows to reuse the modules, the groups and the sequences in multiple */
/* data sets. */
/* return : papNoError if OK, standard error message otherwise. */
/* */
/********************************************************************************/
PapyShort
FreeCell (PapyShort inFileNb, Papy_List **ioToFreeP, int inDelAll, int inDelGroup, int inDelSeq)
{
PapyShort theErr = 0;
/* free the content of the cell if the toDel parameter is set to TRUE */
if (inDelAll)
switch ((*ioToFreeP)->object->whoAmI)
{
case papItem :
DeleteList (inFileNb, (Papy_List **) &((*ioToFreeP)->object->item), inDelAll, inDelGroup, inDelSeq);
break;
case papModule :
theErr = Papy3ModuleFree (&((*ioToFreeP)->object->module),
(*ioToFreeP)->object->objID, inDelSeq);
if (theErr < 0) RETURN (theErr);
break;
case papRecord :
theErr = Papy3RecordFree (&((*ioToFreeP)->object->record),
(*ioToFreeP)->object->objID, inDelSeq);
if (theErr < 0) RETURN (theErr);
break;
case papGroup :
if (inDelGroup)
if ((theErr = Papy3GroupFree (&((*ioToFreeP)->object->group), inDelSeq)) < 0)
RETURN (theErr);
break;
case papTmpFile :
{
char *tmpFilename, myStr [32];
/* build the name of the temp file containing the data set */
/* it will look like <<filenameXXXX.dcm>> */
tmpFilename = (char *) ecalloc3 ((PapyULong) 256, (PapyULong) sizeof (char));
strcpy (tmpFilename, gPapFilename [inFileNb]);
Papy3FPrint (myStr, "%d", (*ioToFreeP)->object->objID);
strcat (myStr, ".dcm");
strcat (myStr, "\0");
if ((*ioToFreeP)->object->objID < 10)
strcat (tmpFilename, "000");
else if ((*ioToFreeP)->object->objID < 100)
strcat (tmpFilename, "00");
else if ((*ioToFreeP)->object->objID < 1000)
strcat (tmpFilename, "0");
strcat (tmpFilename, myStr);
/* delete the tmp file only if the result is a PAPYRUS file */
if (gIsPapyFile [inFileNb] == PAPYRUS3)
{
if ((theErr = Papy3FDelete (tmpFilename, (*ioToFreeP)->object->file)) != 0)
RETURN (papDeleteFile);
} /* if ...PAPYRUS file */
efree3 ((void **) &tmpFilename);
if ((*ioToFreeP)->object->file != NULL)
efree3 ((void **) &((*ioToFreeP)->object->file));
}
break;
default :
break;
} /* switch ...type of the content of the object */
/* make all the pointers of the object point to NULL */
(*ioToFreeP)->object->item = NULL;
(*ioToFreeP)->object->module = NULL;
(*ioToFreeP)->object->group = NULL;
(*ioToFreeP)->object->tmpFileLength = 0L;
/* free the cell */
efree3 ((void **) &((*ioToFreeP)->object));
efree3 ((void **) ioToFreeP);
RETURN (theErr);
} /* endof FreeCell */
/********************************************************************************/
/* */
/* DeleteFirstInList : Deletes the first element of the list. */
/* return : papNoError if OK, listError in case of an error. */
/* */
/********************************************************************************/
PapyShort
DeleteFirstInList (PapyShort inFileNb, Papy_List **ioListP, int inDelAll, int inDelGroup, int inDelSeq)
{
Papy_List *theWrkP;
PapyShort theErr = 0;
if (*ioListP == NULL) return theErr;
/* change the head pointer */
theWrkP = *ioListP;
*ioListP = (*ioListP)->next;
/* free the cell and its content */
theErr = FreeCell (inFileNb, &theWrkP, inDelAll, inDelGroup, inDelSeq);
RETURN (theErr);
} /* endof DeleteFirstInList */
/********************************************************************************/
/* */
/* DeleteLastInList : Deletes the last element of the list. */
/* return : papNoError if OK, listError in case of an error. */
/* */
/********************************************************************************/
PapyShort
DeleteLastInList (PapyShort inFileNb, Papy_List **ioListP, int inDelAll, int inDelGroup, int inDelSeq)
{
Papy_List *theWrk1P, *theWrk2P;
PapyShort theErr = 0;
if (*ioListP == NULL) return theErr;
/* search the last cell of the list */
theWrk1P = *ioListP;
theWrk2P = NULL;
while (theWrk1P->next != NULL)
{
theWrk2P = theWrk1P;
theWrk1P = theWrk1P->next;
} /* while */
if (theWrk2P != NULL) theWrk2P->next = NULL;
else *ioListP = NULL;
/* free the cell and its content */
theErr = FreeCell (inFileNb, &theWrk1P, inDelAll, inDelGroup, inDelSeq);
RETURN (theErr);
} /* endof DeleteLastInList */
/********************************************************************************/
/* */
/* DeleteList : Deletes the list as well as its elements. Begins by the */
/* first element and loop to the end of the list. */
/* return : papNoError if OK, listError in case of an error. */
/* */
/********************************************************************************/
PapyShort
DeleteList (PapyShort inFileNb, Papy_List **ioListP, int inDelAll, int inDelGroup, int inDelSeq)
{
Papy_List *toFree, *theWrkP;
PapyShort theErr = 0;
if (*ioListP == NULL) return theErr;
/* loop on the elements of the list and frees them begining by the first one */
toFree = *ioListP;
while (toFree != NULL)
{
theWrkP = toFree->next;
/* free the cell and its content */
if ((theErr = FreeCell (inFileNb, &toFree, inDelAll, inDelGroup, inDelSeq)) < 0) RETURN (theErr);
toFree = theWrkP;
} /* while ...loop on the elements of the list */
*ioListP = NULL;
RETURN (theErr);
} /* endof DeleteList */
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