0f4e959e22
- New oscillator module - Bug fixes SKIPPED: psi/buffer.c psi/el734hp.c psi/el737hpdriv.c psi/make_gen psi/nextrics.c psi/nxamor.c psi/pimotor.c psi/polterwrite.c psi/psi.c psi/swmotor2.c psi/tasscan.c psi/tricssupport.c psi/tricssupport.h psi/tecs/make_gen psi/utils/ecb_load_new/ecb_load.c psi/utils/ecb_load_new/ecb_load.h psi/utils/ecb_load_new/ecbdriv_els.c psi/utils/ecb_load_new/gpib_els.c psi/utils/ecb_load_new/makefile psi/utils/ecb_load_new/makefile_EGPIB psi/utils/ecb_load_new/makefile_GPIB
910 lines
27 KiB
C
910 lines
27 KiB
C
/*---------------------------------------------------------------------------
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NeXus - Neutron & X-ray Common Data Format
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Application Program Interface Routines
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Copyright (C) 1997-2000 Mark Koennecke, Przemek Klosowski
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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For further information, see <http://www.neutron.anl.gov/NeXus/>
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----------------------------------------------------------------------------*/
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static const char* rscid = "$Id: napi.c,v 1.8 2004/11/17 10:50:16 cvs Exp $"; /* Revision interted by CVS */
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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#include <time.h>
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#include "napi.h"
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/*
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* We need to include CALLING_STYLE in the function pointer definition
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* or else we get a type mismatch on Win32
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*/
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typedef struct {
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NXhandle *pNexusData;
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NXstatus (CALLING_STYLE *nxclose)(NXhandle* pHandle);
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NXstatus (CALLING_STYLE *nxflush)(NXhandle* pHandle);
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NXstatus (CALLING_STYLE *nxmakegroup) (NXhandle handle, CONSTCHAR *name, char* NXclass);
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NXstatus (CALLING_STYLE *nxopengroup) (NXhandle handle, CONSTCHAR *name, char* NXclass);
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NXstatus (CALLING_STYLE *nxclosegroup)(NXhandle handle);
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NXstatus (CALLING_STYLE *nxmakedata) (NXhandle handle, CONSTCHAR* label, int datatype, int rank, int dim[]);
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NXstatus (CALLING_STYLE *nxcompmakedata) (NXhandle handle, CONSTCHAR* label, int datatype, int rank, int dim[], int comp_typ, int bufsize[]);
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NXstatus (CALLING_STYLE *nxcompress) (NXhandle handle, int compr_type);
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NXstatus (CALLING_STYLE *nxopendata) (NXhandle handle, CONSTCHAR* label);
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NXstatus (CALLING_STYLE *nxclosedata)(NXhandle handle);
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NXstatus (CALLING_STYLE *nxputdata)(NXhandle handle, void* data);
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NXstatus (CALLING_STYLE *nxputattr)(NXhandle handle, CONSTCHAR* name, void* data, int iDataLen, int iType);
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NXstatus (CALLING_STYLE *nxputslab)(NXhandle handle, void* data, int start[], int size[]);
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NXstatus (CALLING_STYLE *nxgetdataID)(NXhandle handle, NXlink* pLink);
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NXstatus (CALLING_STYLE *nxmakelink)(NXhandle handle, NXlink* pLink);
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NXstatus (CALLING_STYLE *nxgetdata)(NXhandle handle, void* data);
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NXstatus (CALLING_STYLE *nxgetinfo)(NXhandle handle, int* rank, int dimension[], int* datatype);
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NXstatus (CALLING_STYLE *nxgetnextentry)(NXhandle handle, NXname name, NXname nxclass, int* datatype);
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NXstatus (CALLING_STYLE *nxgetslab)(NXhandle handle, void* data, int start[], int size[]);
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NXstatus (CALLING_STYLE *nxgetnextattr)(NXhandle handle, NXname pName, int *iLength, int *iType);
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NXstatus (CALLING_STYLE *nxgetattr)(NXhandle handle, char* name, void* data, int* iDataLen, int* iType);
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NXstatus (CALLING_STYLE *nxgetattrinfo)(NXhandle handle, int* no_items);
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NXstatus (CALLING_STYLE *nxgetgroupID)(NXhandle handle, NXlink* pLink);
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NXstatus (CALLING_STYLE *nxgetgroupinfo)(NXhandle handle, int* no_items, NXname name, NXname nxclass);
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NXstatus (CALLING_STYLE *nxsameID)(NXhandle handle, NXlink* pFirstID, NXlink* pSecondID);
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NXstatus (CALLING_STYLE *nxinitgroupdir)(NXhandle handle);
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NXstatus (CALLING_STYLE *nxinitattrdir)(NXhandle handle);
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} NexusFunction, *pNexusFunction;
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static int iFortifyScope;
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/*------------------------------------------------------------------------
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HDF-5 cache size special stuff
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-------------------------------------------------------------------------*/
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long nx_cacheSize = 1024000; /* 1MB, HDF-5 default */
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NXstatus CALLING_STYLE NXsetcache(long newVal)
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{
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if(newVal > 0)
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{
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nx_cacheSize = newVal;
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return NX_OK;
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}
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return NX_ERROR;
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}
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/*---------------------------------------------------------------------*/
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static void NXNXNXReportError(void *pData, char *string)
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{
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printf("%s \n",string);
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}
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/*---------------------------------------------------------------------*/
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void *NXpData = NULL;
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void (*NXIReportError)(void *pData, char *string) = NXNXNXReportError;
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/*---------------------------------------------------------------------*/
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NX_EXTERNAL void CALLING_STYLE NXMSetError(void *pData, void (*NewError)(void *pD, char *text))
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{
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NXpData = pData;
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NXIReportError = NewError;
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}
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#ifdef HDF5
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#include "napi5.h"
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#endif
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#ifdef HDF4
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#include "napi4.h"
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#endif
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/* ----------------------------------------------------------------------
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Definition of NeXus API
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---------------------------------------------------------------------*/
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NXstatus CALLING_STYLE NXopen(CONSTCHAR *filename, NXaccess am, NXhandle *gHandle)
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{
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int hdf_type=0;
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int iRet=0;
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NXhandle hdf5_handle;
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NXhandle hdf4_handle;
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pNexusFunction fHandle;
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NXstatus retstat;
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/* configure fortify
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iFortifyScope = Fortify_EnterScope();
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Fortify_CheckAllMemory();
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*/
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fHandle = (pNexusFunction)malloc(sizeof(NexusFunction));
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if (fHandle == NULL) {
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NXIReportError (NXpData,"ERROR: no memory to create Function structure");
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return NX_ERROR;
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}
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if (am==NXACC_CREATE) {
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/* HDF4 will be used ! */
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hdf_type=1;
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} else if (am==NXACC_CREATE4) {
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/* HDF4 will be used ! */
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hdf_type=1;
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} else if (am==NXACC_CREATE5) {
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/* HDF5 will be used ! */
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hdf_type=2;
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} else {
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/* check file type hdf4/hdf5 for reading */
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#ifdef HDF5
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iRet=H5Fis_hdf5((const char*)filename);
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#endif
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if (iRet>0) {
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hdf_type=2;
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} else {
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#ifdef HDF4
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iRet=Hishdf((const char*)filename);
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#endif
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if (iRet>0) {
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hdf_type=1;
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}
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}
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}
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if (hdf_type==1) {
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/* HDF4 type */
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#ifdef HDF4
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retstat = NX4open((const char *)filename,am,&hdf4_handle);
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if(retstat != NX_OK){
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free(fHandle);
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return retstat;
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}
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fHandle->pNexusData=hdf4_handle;
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fHandle->nxclose=NX4close;
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fHandle->nxflush=NX4flush;
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fHandle->nxmakegroup=NX4makegroup;
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fHandle->nxopengroup=NX4opengroup;
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fHandle->nxclosegroup=NX4closegroup;
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fHandle->nxmakedata=NX4makedata;
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fHandle->nxcompmakedata=NX4compmakedata;
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fHandle->nxcompress=NX4compress;
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fHandle->nxopendata=NX4opendata;
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fHandle->nxclosedata=NX4closedata;
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fHandle->nxputdata=NX4putdata;
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fHandle->nxputattr=NX4putattr;
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fHandle->nxputslab=NX4putslab;
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fHandle->nxgetdataID=NX4getdataID;
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fHandle->nxmakelink=NX4makelink;
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fHandle->nxgetdata=NX4getdata;
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fHandle->nxgetinfo=NX4getinfo;
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fHandle->nxgetnextentry=NX4getnextentry;
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fHandle->nxgetslab=NX4getslab;
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fHandle->nxgetnextattr=NX4getnextattr;
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fHandle->nxgetattr=NX4getattr;
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fHandle->nxgetattrinfo=NX4getattrinfo;
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fHandle->nxgetgroupID=NX4getgroupID;
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fHandle->nxgetgroupinfo=NX4getgroupinfo;
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fHandle->nxsameID=NX4sameID;
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fHandle->nxinitgroupdir=NX4initgroupdir;
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fHandle->nxinitattrdir=NX4initattrdir;
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*gHandle = fHandle;
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#else
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NXIReportError (NXpData,"ERROR: Attempt to create HDF4 file when not linked with HDF4");
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*gHandle = NULL;
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retstat = NX_ERROR;
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#endif /* HDF4 */
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return retstat;
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} else if (hdf_type==2) {
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/* HDF5 type */
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#ifdef HDF5
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retstat = NX5open(filename,am,&hdf5_handle);
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if(retstat != NX_OK){
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free(fHandle);
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return retstat;
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}
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fHandle->pNexusData=hdf5_handle;
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fHandle->nxclose=NX5close;
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fHandle->nxflush=NX5flush;
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fHandle->nxmakegroup=NX5makegroup;
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fHandle->nxopengroup=NX5opengroup;
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fHandle->nxclosegroup=NX5closegroup;
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fHandle->nxmakedata=NX5makedata;
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fHandle->nxcompmakedata=NX5compmakedata;
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fHandle->nxcompress=NX5compress;
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fHandle->nxopendata=NX5opendata;
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fHandle->nxclosedata=NX5closedata;
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fHandle->nxputdata=NX5putdata;
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fHandle->nxputattr=NX5putattr;
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fHandle->nxputslab=NX5putslab;
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fHandle->nxgetdataID=NX5getdataID;
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fHandle->nxmakelink=NX5makelink;
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fHandle->nxgetdata=NX5getdata;
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fHandle->nxgetinfo=NX5getinfo;
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fHandle->nxgetnextentry=NX5getnextentry;
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fHandle->nxgetslab=NX5getslab;
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fHandle->nxgetnextattr=NX5getnextattr;
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fHandle->nxgetattr=NX5getattr;
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fHandle->nxgetattrinfo=NX5getattrinfo;
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fHandle->nxgetgroupID=NX5getgroupID;
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fHandle->nxgetgroupinfo=NX5getgroupinfo;
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fHandle->nxsameID=NX5sameID;
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fHandle->nxinitgroupdir=NX5initgroupdir;
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fHandle->nxinitattrdir=NX5initattrdir;
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*gHandle = fHandle;
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#else
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NXIReportError (NXpData,"ERROR: Attempt to create HDF5 file when not linked with HDF5");
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*gHandle = NULL;
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retstat = NX_ERROR;
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#endif /* HDF5 */
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return retstat;
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} else {
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NXIReportError (NXpData,
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"ERROR: Format not readable by this NeXus library");
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*gHandle = NULL;
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return NX_ERROR;
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}
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}
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/* ------------------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXclose (NXhandle *fid)
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{
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NXhandle hfil;
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int status;
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pNexusFunction pFunc=NULL;
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pFunc = (pNexusFunction)*fid;
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hfil = pFunc->pNexusData;
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status = pFunc->nxclose(&hfil);
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pFunc->pNexusData = hfil;
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free(pFunc);
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/*
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Fortify_CheckAllMemory();
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*/
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return status;
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}
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/*-----------------------------------------------------------------------*/
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NXstatus CALLING_STYLE NXmakegroup (NXhandle fid, CONSTCHAR *name, char *nxclass)
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxmakegroup(pFunc->pNexusData, name, nxclass);
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}
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/*------------------------------------------------------------------------*/
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NXstatus CALLING_STYLE NXopengroup (NXhandle fid, CONSTCHAR *name, char *nxclass)
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxopengroup(pFunc->pNexusData, name, nxclass);
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}
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/* ------------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXclosegroup (NXhandle fid)
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxclosegroup(pFunc->pNexusData);
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}
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/* --------------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXmakedata (NXhandle fid, CONSTCHAR *name, int datatype,
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int rank, int dimensions[])
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxmakedata(pFunc->pNexusData, name, datatype, rank, dimensions);
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}
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/* --------------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXcompmakedata (NXhandle fid, CONSTCHAR *name, int datatype,
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int rank, int dimensions[],int compress_type, int chunk_size[])
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxcompmakedata (pFunc->pNexusData, name, datatype, rank, dimensions, compress_type, chunk_size);
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}
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/* --------------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXcompress (NXhandle fid, int compress_type)
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxcompress (pFunc->pNexusData, compress_type);
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}
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/* --------------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXopendata (NXhandle fid, CONSTCHAR *name)
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxopendata(pFunc->pNexusData, name);
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}
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/* ----------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXclosedata (NXhandle fid)
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxclosedata(pFunc->pNexusData);
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}
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/* ------------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXputdata (NXhandle fid, void *data)
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxputdata(pFunc->pNexusData, data);
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}
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/* ------------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXputattr (NXhandle fid, CONSTCHAR *name, void *data,
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int datalen, int iType)
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxputattr(pFunc->pNexusData, name, data, datalen, iType);
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}
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/* ------------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXputslab (NXhandle fid, void *data, int iStart[], int iSize[])
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxputslab(pFunc->pNexusData, data, iStart, iSize);
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}
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/* ------------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXgetdataID (NXhandle fid, NXlink* sRes)
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxgetdataID(pFunc->pNexusData, sRes);
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}
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/* ------------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXmakelink (NXhandle fid, NXlink* sLink)
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{
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pNexusFunction pFunc = (pNexusFunction)fid;
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return pFunc->nxmakelink(pFunc->pNexusData, sLink);
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}
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/*----------------------------------------------------------------------*/
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NXstatus CALLING_STYLE NXflush(NXhandle *pHandle)
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{
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NXhandle hfil;
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int status;
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pNexusFunction pFunc=NULL;
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pFunc = (pNexusFunction)*pHandle;
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hfil = pFunc->pNexusData;
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status = pFunc->nxflush(&hfil);
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pFunc->pNexusData = hfil;
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return status;
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}
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/*-------------------------------------------------------------------------*/
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NXstatus CALLING_STYLE NXmalloc (void** data, int rank, int dimensions[], int datatype)
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{
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int i;
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size_t size = 1;
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*data = NULL;
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for(i=0; i<rank; i++)
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size *= dimensions[i];
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if ((datatype == NX_CHAR) || (datatype == NX_INT8) || (datatype == NX_UINT8)) {
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/* size is correct already */
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}
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else if ((datatype == NX_INT16) || (datatype == NX_UINT16)) {
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size *= 2;
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}
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else if ((datatype == NX_INT32) || (datatype == NX_UINT32) || (datatype == NX_FLOAT32)) {
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size *= 4;
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}
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else if (datatype == NX_FLOAT64) {
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size *= 8;
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}
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else {
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NXIReportError (NXpData, "ERROR: NXmalloc - unknown data type in array");
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return NX_ERROR;
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}
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*data = (void*)malloc(size);
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memset(*data,0,size);
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return NX_OK;
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}
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/*-------------------------------------------------------------------------*/
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NXstatus CALLING_STYLE NXfree (void** data)
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{
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if (data == NULL) {
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NXIReportError (NXpData, "ERROR: passing NULL to NXfree");
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return NX_ERROR;
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}
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if (*data == NULL) {
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NXIReportError (NXpData,"ERROR: passing already freed pointer to NXfree");
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return NX_ERROR;
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}
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free(*data);
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*data = NULL;
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return NX_OK;
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}
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/* --------------------------------------------------------------------- */
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NXstatus CALLING_STYLE NXgetnextentry (NXhandle fid, NXname name, NXname nxclass, int *datatype)
|
|
{
|
|
pNexusFunction pFunc = (pNexusFunction)fid;
|
|
return pFunc->nxgetnextentry(pFunc->pNexusData, name, nxclass, datatype);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
NXstatus CALLING_STYLE NXgetdata (NXhandle fid, void *data)
|
|
{
|
|
pNexusFunction pFunc = (pNexusFunction)fid;
|
|
return pFunc->nxgetdata(pFunc->pNexusData, data);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
NXstatus CALLING_STYLE NXgetinfo (NXhandle fid, int *rank, int dimension[], int *iType)
|
|
{
|
|
pNexusFunction pFunc = (pNexusFunction)fid;
|
|
return pFunc->nxgetinfo(pFunc->pNexusData, rank, dimension, iType);
|
|
}
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
NXstatus CALLING_STYLE NXgetslab (NXhandle fid, void *data, int iStart[], int iSize[])
|
|
{
|
|
pNexusFunction pFunc = (pNexusFunction)fid;
|
|
return pFunc->nxgetslab(pFunc->pNexusData, data, iStart, iSize);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
NXstatus CALLING_STYLE NXgetnextattr (NXhandle fileid, NXname pName,
|
|
int *iLength, int *iType)
|
|
{
|
|
pNexusFunction pFunc = (pNexusFunction)fileid;
|
|
return pFunc->nxgetnextattr(pFunc->pNexusData, pName, iLength, iType);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
NXstatus CALLING_STYLE NXgetattr (NXhandle fid, char *name, void *data, int* datalen, int* iType)
|
|
{
|
|
pNexusFunction pFunc = (pNexusFunction)fid;
|
|
return pFunc->nxgetattr(pFunc->pNexusData, name, data, datalen, iType);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
NXstatus CALLING_STYLE NXgetattrinfo (NXhandle fid, int *iN)
|
|
{
|
|
pNexusFunction pFunc = (pNexusFunction)fid;
|
|
return pFunc->nxgetattrinfo(pFunc->pNexusData, iN);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
NXstatus CALLING_STYLE NXgetgroupID (NXhandle fileid, NXlink* sRes)
|
|
{
|
|
pNexusFunction pFunc = (pNexusFunction)fileid;
|
|
return pFunc->nxgetgroupID(pFunc->pNexusData, sRes);
|
|
}
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
NXstatus CALLING_STYLE NXgetgroupinfo (NXhandle fid, int *iN, NXname pName, NXname pClass)
|
|
{
|
|
pNexusFunction pFunc = (pNexusFunction)fid;
|
|
return pFunc->nxgetgroupinfo(pFunc->pNexusData, iN, pName, pClass);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
NXstatus CALLING_STYLE NXsameID (NXhandle fileid, NXlink* pFirstID, NXlink* pSecondID)
|
|
{
|
|
pNexusFunction pFunc = (pNexusFunction)fileid;
|
|
return pFunc->nxsameID(pFunc->pNexusData, pFirstID, pSecondID);
|
|
}
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
NXstatus CALLING_STYLE NXinitattrdir (NXhandle fid)
|
|
{
|
|
pNexusFunction pFunc = (pNexusFunction)fid;
|
|
return pFunc->nxinitattrdir(pFunc->pNexusData);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------------------------------*/
|
|
|
|
NXstatus CALLING_STYLE NXinitgroupdir (NXhandle fid)
|
|
{
|
|
pNexusFunction pFunc = (pNexusFunction)fid;
|
|
return pFunc->nxinitgroupdir(pFunc->pNexusData);
|
|
}
|
|
/*------------------------------------------------------------------------
|
|
Implementation of NXopenpath.
|
|
--------------------------------------------------------------------------*/
|
|
static int isDataSetOpen(NXhandle hfil)
|
|
{
|
|
NXlink id;
|
|
|
|
/*
|
|
This uses the (sensible) feauture that NXgetdataID returns NX_ERROR
|
|
when no dataset is open
|
|
*/
|
|
if(NXgetdataID(hfil,&id) == NX_ERROR)
|
|
{
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
return 1;
|
|
}
|
|
}
|
|
/*----------------------------------------------------------------------*/
|
|
static int isRoot(NXhandle hfil)
|
|
{
|
|
NXlink id;
|
|
|
|
/*
|
|
This uses the feauture that NXgetgroupID returns NX_ERROR
|
|
when we are at root level
|
|
*/
|
|
if(NXgetgroupID(hfil,&id) == NX_ERROR)
|
|
{
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
/*--------------------------------------------------------------------
|
|
copies the next path element into element.
|
|
returns a pointer into path beyond the extracted path
|
|
---------------------------------------------------------------------*/
|
|
static char *extractNextPath(char *path, NXname element)
|
|
{
|
|
char *pPtr, *pStart;
|
|
int length;
|
|
|
|
pPtr = path;
|
|
/*
|
|
skip over leading /
|
|
*/
|
|
if(*pPtr == '/')
|
|
{
|
|
pPtr++;
|
|
}
|
|
pStart = pPtr;
|
|
|
|
/*
|
|
find next /
|
|
*/
|
|
pPtr = strchr(pStart,'/');
|
|
if(pPtr == NULL)
|
|
{
|
|
/*
|
|
this is the last path element
|
|
*/
|
|
strcpy(element,pStart);
|
|
return NULL;
|
|
} else {
|
|
length = pPtr - pStart;
|
|
strncpy(element,pStart,length);
|
|
element[length] = '\0';
|
|
}
|
|
return pPtr + 1;
|
|
}
|
|
/*-------------------------------------------------------------------*/
|
|
static NXstatus gotoRoot(NXhandle hfil)
|
|
{
|
|
int status;
|
|
|
|
if(isDataSetOpen(hfil))
|
|
{
|
|
status = NXclosedata(hfil);
|
|
if(status == NX_ERROR)
|
|
{
|
|
return status;
|
|
}
|
|
}
|
|
while(!isRoot(hfil))
|
|
{
|
|
status = NXclosegroup(hfil);
|
|
if(status == NX_ERROR)
|
|
{
|
|
return status;
|
|
}
|
|
}
|
|
return NX_OK;
|
|
}
|
|
/*--------------------------------------------------------------------*/
|
|
static int isRelative(char *path)
|
|
{
|
|
if(path[0] == '.' && path[1] == '.')
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
/*------------------------------------------------------------------*/
|
|
static NXstatus moveOneDown(NXhandle hfil)
|
|
{
|
|
if(isDataSetOpen(hfil))
|
|
{
|
|
return NXclosedata(hfil);
|
|
}
|
|
else
|
|
{
|
|
return NXclosegroup(hfil);
|
|
}
|
|
}
|
|
/*-------------------------------------------------------------------
|
|
returns a pointer to the remaining path string to move up
|
|
--------------------------------------------------------------------*/
|
|
static char *moveDown(NXhandle hfil, char *path, int *code)
|
|
{
|
|
int status;
|
|
NXname pathElem;
|
|
char *pPtr;
|
|
|
|
*code = NX_OK;
|
|
|
|
if(path[0] == '/')
|
|
{
|
|
*code = gotoRoot(hfil);
|
|
return path;
|
|
}
|
|
else
|
|
{
|
|
pPtr = path;
|
|
while(isRelative(pPtr))
|
|
{
|
|
status = moveOneDown(hfil);
|
|
if(status == NX_ERROR)
|
|
{
|
|
*code = status;
|
|
return pPtr;
|
|
}
|
|
pPtr += 3;
|
|
}
|
|
return pPtr;
|
|
}
|
|
}
|
|
/*--------------------------------------------------------------------*/
|
|
static NXstatus stepOneUp(NXhandle hfil, char *name)
|
|
{
|
|
int status, datatype;
|
|
NXname name2, xclass;
|
|
char pBueffel[256];
|
|
|
|
/*
|
|
catch the case when we are there: i.e. no further stepping
|
|
necessary. This can happen with paths like ../
|
|
*/
|
|
if(strlen(name) < 1)
|
|
{
|
|
return NX_OK;
|
|
}
|
|
|
|
NXinitgroupdir(hfil);
|
|
while(NXgetnextentry(hfil,name2,xclass,&datatype) != NX_EOD)
|
|
{
|
|
|
|
if(strcmp(name2,name) == 0)
|
|
{
|
|
if(strcmp(xclass,"SDS") == 0)
|
|
{
|
|
return NXopendata(hfil,name);
|
|
}
|
|
else
|
|
{
|
|
return NXopengroup(hfil,name,xclass);
|
|
}
|
|
}
|
|
}
|
|
snprintf(pBueffel,255,"ERROR: NXopenpath cannot step into %s",name);
|
|
NXIReportError (NXpData, pBueffel);
|
|
return NX_ERROR;
|
|
}
|
|
/*---------------------------------------------------------------------*/
|
|
NXstatus CALLING_STYLE NXopenpath(NXhandle hfil, CONSTCHAR *path)
|
|
{
|
|
int status, run = 1;
|
|
NXname pathElement;
|
|
char *pPtr;
|
|
|
|
if(hfil == NULL || path == NULL)
|
|
{
|
|
NXIReportError(NXpData,
|
|
"ERROR: NXopendata needs both a file handle and a path string");
|
|
return NX_ERROR;
|
|
}
|
|
|
|
pPtr = moveDown(hfil,(char *)path,&status);
|
|
if(status != NX_OK)
|
|
{
|
|
NXIReportError (NXpData,
|
|
"ERROR: NXopendata failed to move down in hierarchy");
|
|
return status;
|
|
}
|
|
|
|
while(run == 1)
|
|
{
|
|
pPtr = extractNextPath(pPtr, pathElement);
|
|
status = stepOneUp(hfil,pathElement);
|
|
if(status != NX_OK)
|
|
{
|
|
return status;
|
|
}
|
|
if(pPtr == NULL)
|
|
{
|
|
run = 0;
|
|
}
|
|
}
|
|
return NX_OK;
|
|
}
|
|
/*----------------------------------------------------------------------
|
|
F77 - API - Support - Routines
|
|
----------------------------------------------------------------------*/
|
|
/*
|
|
* We store the whole of the NeXus file in the array - that way
|
|
* we can just pass the array name to C as it will be a valid
|
|
* NXhandle. We could store the NXhandle value in the FORTRAN array
|
|
* instead, but that would mean writing far more wrappers
|
|
*/
|
|
NXstatus CALLING_STYLE NXfopen(char * filename, NXaccess* am,
|
|
NexusFunction* pHandle)
|
|
{
|
|
NXstatus ret;
|
|
NXhandle fileid = NULL;
|
|
ret = NXopen(filename, *am, &fileid);
|
|
if (ret == NX_OK)
|
|
{
|
|
memcpy(pHandle, fileid, sizeof(NexusFunction));
|
|
}
|
|
else
|
|
{
|
|
memset(pHandle, 0, sizeof(NexusFunction));
|
|
}
|
|
if (fileid != NULL)
|
|
{
|
|
free(fileid);
|
|
}
|
|
return ret;
|
|
}
|
|
/*
|
|
* The pHandle from FORTRAN is a pointer to a static FORTRAN
|
|
* array holding the NexusFunction structure. We need to malloc()
|
|
* a temporary copy as NXclose will try to free() this
|
|
*/
|
|
NXstatus CALLING_STYLE NXfclose (NexusFunction* pHandle)
|
|
{
|
|
NXhandle h;
|
|
NXstatus ret;
|
|
h = (NXhandle)malloc(sizeof(NexusFunction));
|
|
memcpy(h, pHandle, sizeof(NexusFunction));
|
|
ret = NXclose(&h); /* does free(h) */
|
|
memset(pHandle, 0, sizeof(NexusFunction));
|
|
return ret;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------*/
|
|
NXstatus CALLING_STYLE NXfflush(NexusFunction* pHandle)
|
|
{
|
|
NXhandle h;
|
|
NXstatus ret;
|
|
h = (NXhandle)malloc(sizeof(NexusFunction));
|
|
memcpy(h, pHandle, sizeof(NexusFunction));
|
|
ret = NXflush(&h); /* modifies and reallocates h */
|
|
memcpy(pHandle, h, sizeof(NexusFunction));
|
|
return ret;
|
|
}
|
|
/*----------------------------------------------------------------------*/
|
|
NXstatus CALLING_STYLE NXfmakedata(NXhandle fid, char *name, int *pDatatype,
|
|
int *pRank, int dimensions[])
|
|
{
|
|
NXstatus ret;
|
|
static char buffer[256];
|
|
int i, *reversed_dimensions;
|
|
reversed_dimensions = (int*)malloc(*pRank * sizeof(int));
|
|
if (reversed_dimensions == NULL)
|
|
{
|
|
sprintf (buffer,
|
|
"ERROR: Cannot allocate space for array rank of %d in NXfmakedata",
|
|
*pRank);
|
|
NXIReportError (NXpData, buffer);
|
|
return NX_ERROR;
|
|
}
|
|
/*
|
|
* Reverse dimensions array as FORTRAN is column major, C row major
|
|
*/
|
|
for(i=0; i < *pRank; i++)
|
|
{
|
|
reversed_dimensions[i] = dimensions[*pRank - i - 1];
|
|
}
|
|
ret = NXmakedata(fid, name, *pDatatype, *pRank, reversed_dimensions);
|
|
free(reversed_dimensions);
|
|
return ret;
|
|
}
|
|
|
|
|
|
NXstatus CALLING_STYLE NXfcompmakedata(NXhandle fid, char *name,
|
|
int *pDatatype,
|
|
int *pRank, int dimensions[],
|
|
int *compression_type, int chunk[])
|
|
{
|
|
NXstatus ret;
|
|
static char buffer[256];
|
|
int i, *reversed_dimensions, *reversed_chunk;
|
|
reversed_dimensions = (int*)malloc(*pRank * sizeof(int));
|
|
reversed_chunk = (int*)malloc(*pRank * sizeof(int));
|
|
if (reversed_dimensions == NULL || reversed_chunk == NULL)
|
|
{
|
|
sprintf (buffer,
|
|
"ERROR: Cannot allocate space for array rank of %d in NXfcompmakedata",
|
|
*pRank);
|
|
NXIReportError (NXpData, buffer);
|
|
return NX_ERROR;
|
|
}
|
|
/*
|
|
* Reverse dimensions array as FORTRAN is column major, C row major
|
|
*/
|
|
for(i=0; i < *pRank; i++)
|
|
{
|
|
reversed_dimensions[i] = dimensions[*pRank - i - 1];
|
|
reversed_chunk[i] = chunk[*pRank - i - 1];
|
|
}
|
|
ret = NXcompmakedata(fid, name, *pDatatype, *pRank,
|
|
reversed_dimensions,*compression_type, reversed_chunk);
|
|
free(reversed_dimensions);
|
|
free(reversed_chunk);
|
|
return ret;
|
|
}
|
|
/*-----------------------------------------------------------------------*/
|
|
NXstatus CALLING_STYLE NXfcompress(NXhandle fid, int *compr_type)
|
|
{
|
|
return NXcompress(fid,*compr_type);
|
|
}
|
|
/*-----------------------------------------------------------------------*/
|
|
NXstatus CALLING_STYLE NXfputattr(NXhandle fid, char *name, void *data,
|
|
int *pDatalen, int *pIType)
|
|
{
|
|
return NXputattr(fid, name, data, *pDatalen, *pIType);
|
|
}
|