Files
sics/nxcopy.c
2007-11-27 13:36:15 +00:00

295 lines
9.1 KiB
C

/**
* This defines a couple of Tcl functions which allow to copy data from the
* nxdataset's returned from the swig Tcl interface to NeXus files into
* SICS data structures.
*
* copyright: see file COPYRIGHT
*
* Mark Koennecke, October 2007
*/
#include <sics.h>
#include "nxdataset.h"
#include "sicshipadaba.h"
#include "sicsdata.h"
#include "nxcopy.h"
#include "HistMem.h"
/*-------------------------------------------------------------------------------
* decode a SWIG style pointer into the real pointer value.
* Stolen from SWIG generated code.
--------------------------------------------------------------------------------*/
static const char *SWIG_UnpackData(const char *c, void *ptr, size_t sz) {
register unsigned char *u = (unsigned char *) ptr;
register const unsigned char *eu = u + sz;
for (; u != eu; ++u) {
register char d = *(c++);
register unsigned char uu;
if ((d >= '0') && (d <= '9'))
uu = ((d - '0') << 4);
else if ((d >= 'a') && (d <= 'f'))
uu = ((d - ('a'-10)) << 4);
else
return (char *) 0;
d = *(c++);
if ((d >= '0') && (d <= '9'))
uu |= (d - '0');
else if ((d >= 'a') && (d <= 'f'))
uu |= (d - ('a'-10));
else
return (char *) 0;
*u = uu;
}
return c;
}
/*-------------------------------------------------------------------------------*/
int isTypeAllowed(int type){
switch(type){
case NX_INT32:
case NX_UINT32:
case NX_FLOAT32:
return 1;
break;
default:
return 0;
break;
}
}
/*--------------------------------------------------------------------------------
* copy an nxdataset to a sicsdata object
--------------------------------------------------------------------------------*/
static int NXDataToSicsdata(ClientData clientData, Tcl_Interp *interp,
int objc, Tcl_Obj *CONST objv[]){
Tcl_Obj *resultPtr;
const char *text;
pNXDS data = NULL;
pSICSData sicsData;
int length, i;
if(objc < 3) {
Tcl_WrongNumArgs(interp,objc,objv,"Usage: nxdatatosicsdata nxdata sicsdata");
return TCL_ERROR;
}
resultPtr = Tcl_GetObjResult(interp);
/*
* get nxdataset pointer
*/
text = Tcl_GetStringFromObj(objv[1],NULL);
if(strstr(text,"NULL") != NULL){
Tcl_SetStringObj(resultPtr,"nxdata argument is NULL pointer",38);
return TCL_ERROR;
}
text++;
SWIG_UnpackData(text,&data,sizeof(void *));
if(data->magic != MAGIC){
Tcl_SetStringObj(resultPtr,"nxdata argument is no valid nxdataset",
strlen("nxdata argument is no valid nxdataset"));
return TCL_ERROR;
}
length = getNXDatasetLength(data);
if(!isTypeAllowed(data->type)){
Tcl_SetStringObj(resultPtr,"can only copy int and float types",
strlen("can only copy int and float types"));
return TCL_ERROR;
}
/*
* locate sicsdata
*/
text = Tcl_GetStringFromObj(objv[2],NULL);
sicsData = (pSICSData)FindCommandData(pServ->pSics,(char *)text,"SICSData");
if(sicsData == NULL){
Tcl_SetStringObj(resultPtr,"sicsdata argument is no valid SICSData",
strlen("sicsdata argument is no valid SICSData"));
return TCL_ERROR;
}
/*
* copy the data
*/
if(data->type == NX_FLOAT32){
for(i = 0; i < length; i++){
setSICSDataFloat(sicsData,i,data->u.fPtr[i]);
}
} else {
for(i = 0; i < length; i++){
setSICSDataInt(sicsData,i,data->u.iPtr[i]);
}
}
return TCL_OK;
}
/*--------------------------------------------------------------------------*/
static hdbValue NXDatasetToHdbValue(pNXDS data){
hdbValue val;
int length, i;
length = getNXDatasetLength(data);
switch(getNXDatasetType(data)){
case NX_INT32:
case NX_UINT32:
if(length == 1){
val = MakeHdbInt(data->u.iPtr[0]);
} else {
val = MakeHdbIntArray(length,data->u.iPtr);
val.dataType = HIPINTVARAR;
}
break;
case NX_FLOAT32:
if(length == 1){
val = MakeHdbFloat((double)data->u.fPtr[0]);
} else {
val = makeHdbValue(HIPFLOATAR,length);
for(i = 0; i < length; i++){
val.v.floatArray[i] = (double)data->u.fPtr[i];
}
val.dataType = HIPFLOATVARAR;
}
break;
case NX_FLOAT64:
if(length == 1){
val = MakeHdbFloat(data->u.dPtr[0]);
} else {
val = MakeHdbFloatArray(length,data->u.dPtr);
}
break;
case NX_CHAR:
case NX_INT8:
case NX_UINT8:
val = MakeHdbText(data->u.cPtr);
break;
case NX_INT16:
case NX_UINT16:
if(length == 1){
val = MakeHdbInt((int)data->u.sPtr[0]);
} else {
val = makeHdbValue(HIPINTAR,length);
for(i = 0; i < length; i++){
val.v.intArray[i] = (int)data->u.sPtr[i];
}
}
break;
}
return val;
}
/*---------------------------------------------------------------------------
* copy the content of an nxdataset onto a Hipadaba node
*---------------------------------------------------------------------------*/
static int NXDataToHdbNode(ClientData clientData, Tcl_Interp *interp,
int objc, Tcl_Obj *CONST objv[]){
pNXDS data = NULL;
Tcl_Obj *resultPtr;
int length, status;
const char *text;
pHdb node = NULL;
hdbValue val;
if(objc < 3) {
Tcl_WrongNumArgs(interp,objc,objv,"Usage: nxdatatohdb nxdata path");
return TCL_ERROR;
}
resultPtr = Tcl_GetObjResult(interp);
/*
* get nxdataset pointer
*/
text = Tcl_GetStringFromObj(objv[1],NULL);
if(strstr(text,"NULL") != NULL){
Tcl_SetStringObj(resultPtr,"nxdata argument is NULL pointer",38);
return TCL_ERROR;
}
text++;
SWIG_UnpackData(text,&data,sizeof(void *));
if(data->magic != MAGIC){
Tcl_SetStringObj(resultPtr,"nxdata argument is no valid nxdataset",
strlen("nxdata argument is no valid nxdataset"));
return TCL_ERROR;
}
length = getNXDatasetLength(data);
/*
* locate node
*/
text = Tcl_GetStringFromObj(objv[2],NULL);
node = GetHipadabaNode(GetHipadabaRoot(),(char *)text);
if(node == NULL){
Tcl_SetStringObj(resultPtr,"path does not point to a valid node",
strlen("path does not point to a valid node"));
return TCL_ERROR;
}
val = NXDatasetToHdbValue(data);
status = UpdateHipadabaPar(node,val,NULL);
if(status != 1){
Tcl_SetStringObj(resultPtr,"data type mismatch",
strlen("data type mismatch"));
return TCL_ERROR;
}
return TCL_OK;
}
/*---------------------------------------------------------------------------*/
static int NXDataToHM(ClientData clientData, Tcl_Interp *interp,
int objc, Tcl_Obj *CONST objv[]){
pNXDS data = NULL;
Tcl_Obj *resultPtr;
int length, status;
const char *text;
pHistMem pHM = NULL;
SConnection *pCon = NULL;
if(objc < 3) {
Tcl_WrongNumArgs(interp,objc,objv,"Usage: nxdatatohdb nxdata path");
return TCL_ERROR;
}
resultPtr = Tcl_GetObjResult(interp);
/*
* get nxdataset pointer
*/
text = Tcl_GetStringFromObj(objv[1],NULL);
if(strstr(text,"NULL") != NULL){
Tcl_SetStringObj(resultPtr,"nxdata argument is NULL pointer",38);
return TCL_ERROR;
}
text++;
SWIG_UnpackData(text,&data,sizeof(void *));
if(data->magic != MAGIC){
Tcl_SetStringObj(resultPtr,"nxdata argument is no valid nxdataset",
strlen("nxdata argument is no valid nxdataset"));
return TCL_ERROR;
}
length = getNXDatasetLength(data);
/*
* get HM
*/
text = Tcl_GetStringFromObj(objv[2],NULL);
pHM = (pHistMem)FindCommandData(pServ->pSics,(char *)text,"HistMem");
if(pHM == NULL){
Tcl_SetStringObj(resultPtr,"hm argument is not histogram memory",
strlen("hm argument is not histogram memory"));
return TCL_ERROR;
}
if(getNXDatasetType(data) != NX_INT32 || GetHistLength(pHM) < length){
Tcl_SetStringObj(resultPtr,"data to hm type or length mismatch",
strlen("data to hm type or length mismatch"));
return TCL_ERROR;
}
pCon = SCCreateDummyConnection(pServ->pSics);
SetHistogram(pHM, pCon, 0,0,length, data->u.iPtr);
SCDeleteConnection(pCon);
return TCL_OK;
}
/*---------------------------------------------------------------------------*/
int NXcopy_Init(Tcl_Interp *pInter){
Tcl_CreateObjCommand(pInter,"nxToSicsData",NXDataToSicsdata,NULL,NULL);
Tcl_CreateObjCommand(pInter,"nxToHdb",NXDataToHdbNode,NULL,NULL);
Tcl_CreateObjCommand(pInter,"nxToHM",NXDataToHM,NULL,NULL);
return 1;
}