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- /*
-
- File: index_record.c
- Author: Neil Cafferkey
- Copyright (C) 2000 Neil Cafferkey
-
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- MA 02111-1307, USA.
-
- */
-
- #include "viewer.h"
- #include <exec/memory.h>
-
- #include "index_record_protos.h"
- #include "reference_protos.h"
- #include "general_protos.h"
- #include <clib/exec_protos.h>
-
-
- /* Function: CreateIndexRecord
- * ===========================
- * Creates an index record.
- */
-
- IndexRecord CreateIndexRecord(UBYTE *data)
- {
- IndexRecord index_rec;
- BOOL success=TRUE;
- UBYTE *p;
- UWORD i;
- Reference ref;
-
- index_rec=AllocMem(sizeof(IndexRecord_imp),MEMF_CLEAR|MEMF_PUBLIC);
-
- if(index_rec)
- {
- index_rec->data_length=GetLittleEndianUWord(data);
- index_rec->ref_count=*(data+5);
-
- NewList((struct List *)&index_rec->ref_list);
-
- index_rec->data=AllocMem(index_rec->data_length,MEMF_PUBLIC);
-
- if(index_rec->data)
- {
-
- /* Copy record data and store parameters */
-
- CopyMem(data,index_rec->data,index_rec->data_length);
-
- p=index_rec->data+10;
- index_rec->keywords=p;
- p+=strlen(p)+1;
- index_rec->title=p;
- index_rec->node.ln_Name=p;
- p+=strlen(p)+1;
-
- /* Create references from raw data */
-
- for(i=0;i<index_rec->ref_count;i++)
- {
- ref=CreateReference(p);
- if(ref!=NULL)
- AddTail((struct List *)&index_rec->ref_list,&ref->node);
- else
- success=FALSE;
- p+=10;
- while(*(p++)!='\0');
- }
-
- }
- else
- {
- ReportError(NULL,ERROR_REPORT_MEM,NULL,0);
- success=FALSE;
- }
-
- if(!success)
- {
- KillIndexRecord(index_rec);
- index_rec=NULL;
- }
- }
- else
- {
- ReportError(NULL,ERROR_REPORT_MEM,NULL,0);
- }
-
- /*printf("index_rec->title=%s\n",index_rec->title);*/
- return index_rec;
- }
-
-
-
- /* Function: KillIndexRecord
- * =========================
- * Destroys an index record.
- */
-
- VOID KillIndexRecord(IndexRecord index_rec)
- {
- Reference ref;
-
- while(ref=(Reference)RemHead((struct List *)&index_rec->ref_list))
- KillReference(ref);
-
- if(index_rec->data)
- FreeMem(index_rec->data,index_rec->data_length);
-
- FreeMem(index_rec,sizeof(IndexRecord_imp));
-
- return;
- }
-
-
-
-