Files
sics/fourtable.c

315 lines
8.2 KiB
C

/*---------------------------------------------------------------------------
F O U R T A B L E
A SICS object which holds the variation of scan parameters for four circle
reflection list measurements.
copyright: see copyright.h
Mark Koennecke, February 2005
---------------------------------------------------------------------------*/
#include <stdlib.h>
#include <assert.h>
#include "sics.h"
#include "fortify.h"
#include "lld.h"
#include <tcl.h>
#include "splitter.h"
#include "fourtable.h"
/*====================== table entry ===================================*/
typedef struct {
double twoThetaEnd;
char scanVar[30];
double step;
int np;
float preset;
}FourTableEntry, *pFourTableEntry;
/*==================== functions =======================================*/
int MakeFourCircleTable(){
return LLDcreate(sizeof(FourTableEntry));
}
/*-----------------------------------------------------------------------*/
void DeleteFourCircleTable(int handle){
LLDdelete(handle);
}
/*------------------------------------------------------------------------*/
static void printList(int handle, SConnection *pCon){
FourTableEntry entry;
char pBueffel[132];
int status, printed = 0;
Tcl_DString list;
Tcl_DStringInit(&list);
status = LLDnodePtr2First(handle);
while(status == 1) {
LLDnodeDataTo(handle,&entry);
snprintf(pBueffel,131,"%8.3f %10s %8.3f %d %8.3f\n", entry.twoThetaEnd,
entry.scanVar,entry.step, entry.np,entry.preset);
Tcl_DStringAppend(&list,pBueffel,-1);
printed = 1;
status = LLDnodePtr2Next(handle);
}
if(printed == 0){
Tcl_DStringAppend(&list,"table is empty",-1);
}
SCWrite(pCon,Tcl_DStringValue(&list), eValue);
Tcl_DStringFree(&list);
}
/*---------------------------------------------------------------------
Make sure that the entry is added in a sorted way according to two_theta
----------------------------------------------------------------------*/
static void insertEntry(int list, FourTableEntry newEntry){
int status, count = 0, pos;
FourTableEntry test;
/*
locate the last entry bigger then us
*/
status = LLDnodePtr2First(list);
while(status == 1){
LLDnodeDataTo(list,&test);
count++;
if(test.twoThetaEnd == newEntry.twoThetaEnd){
LLDnodeDataFrom(list,&newEntry);
return;
}
if(test.twoThetaEnd > newEntry.twoThetaEnd){
break;
}
status = LLDnodePtr2Next(list);
}
/*
special case: empty list
*/
if(count == 0){
LLDnodeAppendFrom(list,&newEntry);
return;
}
/*
special case: append after last
*/
LLDnodePtr2Last(list);
LLDnodeDataTo(list,&test);
if(newEntry.twoThetaEnd > test.twoThetaEnd){
LLDnodeAppendFrom(list,&newEntry);
return;
}
status = LLDnodePtr2First(list);
pos = 0;
while(status == 1){
LLDnodeDataTo(list,&test);
pos++;
if(pos == count){
LLDnodeInsertFrom(list,&newEntry);
return;
}
status = LLDnodePtr2Next(list);
}
}
/*-----------------------------------------------------------------------*/
static int addToList(int handle, SConnection *pCon, int argc, char *argv[]){
FourTableEntry entry;
char pBueffel[132];
if(argc < 7){
SCWrite(pCon,"ERROR: not enough arguments to table add",eError);
return 0;
}
if(isNumeric(argv[3])){
entry.twoThetaEnd = atof(argv[3]);
} else {
snprintf(pBueffel,131,"ERROR: expected numeric argument, received %s", argv[3]);
SCWrite(pCon,pBueffel,eError);
return 0;
}
strncpy(entry.scanVar,argv[4],29);
strtolower(entry.scanVar);
if(strcmp(entry.scanVar,"om") != 0 && strcmp(entry.scanVar,"o2t") != 0){
SCWrite(pCon,"ERROR: Invalied scan variable specified, only om, o2t allowed",eError);
return 0;
}
if(isNumeric(argv[5])){
entry.step = atof(argv[5]);
} else {
snprintf(pBueffel,131,"ERROR: expected numeric argument, received %s", argv[4]);
SCWrite(pCon,pBueffel,eError);
return 0;
}
if(isNumeric(argv[6])){
entry.np = atoi(argv[6]);
} else {
snprintf(pBueffel,131,"ERROR: expected numeric argument, received %s", argv[6]);
SCWrite(pCon,pBueffel,eError);
return 0;
}
entry.preset = -1.0;
if(argc > 7){
if(isNumeric(argv[7])){
entry.preset = atof(argv[7]);
}
}
insertEntry(handle,entry);
return 1;
}
/*-----------------------------------------------------------------------*/
static void delEntry(int handle, int index){
int count = 0, status;
status = LLDnodePtr2First(handle);
while(status == 1) {
if(count == index){
LLDnodeDelete(handle);
break;
} else {
count++;
status = LLDnodePtr2Next(handle);
}
}
}
/*------------------------------------------------------------------------*/
int HandleFourCircleCommands(int *table, SConnection *pCon,
int argc, char *argv[], int *err){
int handle;
*err = 1;
handle = *table;
/*
test if this is for us
*/
if(argc >= 3){
strtolower(argv[1]);
if(strcmp(argv[1],"table") != 0){
return 0;
}
} else {
return 0;
}
/*
what are we supposed to do?
*/
strtolower(argv[2]);
if(strcmp(argv[2],"clear") == 0){
if(!SCMatchRights(pCon,usUser)){
*err = 0;
return 1;
}
LLDdelete(handle);
handle = LLDcreate(sizeof(FourTableEntry));
*table = handle;
SCparChange(pCon);
SCSendOK(pCon);
} else if (strcmp(argv[2],"list") == 0){
printList(handle,pCon);
} else if(strcmp(argv[2],"add") == 0){
if(!SCMatchRights(pCon,usUser)){
*err = 0;
return 1;
}
*err = addToList(handle,pCon,argc,argv);
if(*err != 0)
{
SCparChange(pCon);
SCSendOK(pCon);
}
} else if(strcmp(argv[2],"del") == 0){
if(!SCMatchRights(pCon,usUser)){
*err = 0;
return 1;
}
if(argc < 4){
SCWrite(pCon,"ERROR: insufficnet number of arguments to table del",eError);
*err = 0;
} else {
if(isNumeric(argv[3])){
delEntry(handle, atoi(argv[3]));
SCparChange(pCon);
SCSendOK(pCon);
} else {
SCWrite(pCon,"ERROR: bad argument: expected numeric argument to table del",eError);
*err = 0;
}
}
} else {
SCWrite(pCon,"ERROR: subcommand to table not known",eError);
*err = 0;
}
return 1;
}
/*-----------------------------------------------------------------------*/
static FourTableEntry findEntry(int handle, double two_theta){
int status;
FourTableEntry entry;
status = LLDnodePtr2First(handle);
while(status == 1) {
LLDnodeDataTo(handle,&entry);
if(entry.twoThetaEnd > two_theta){
return entry;
}
status = LLDnodePtr2Next(handle);
}
strcpy(entry.scanVar,"NOT FOUND");
return entry;
}
/*------------------------------------------------------------------------*/
char *GetFourCircleScanVar(int handle, double two_theta){
FourTableEntry entry;
entry = findEntry(handle,two_theta);
return strdup(entry.scanVar);
}
/*------------------------------------------------------------------------*/
double GetFourCircleStep(int handle, double two_theta){
FourTableEntry entry;
entry = findEntry(handle,two_theta);
if(strcmp(entry.scanVar,"NOT FOUND") == 0){
return -999.99;
} else {
return entry.step;
}
}
/*------------------------------------------------------------------------*/
float GetFourCirclePreset(int handle, double two_theta){
FourTableEntry entry;
entry = findEntry(handle,two_theta);
if(strcmp(entry.scanVar,"NOT FOUND") == 0){
return -999.99;
} else {
return entry.preset;
}
}
/*------------------------------------------------------------------------*/
int GetFourCircleScanNP(int handle, double two_theta){
FourTableEntry entry;
entry = findEntry(handle,two_theta);
if(strcmp(entry.scanVar,"NOT FOUND") == 0){
return -999;
} else {
return entry.np;
}
}
/*------------------------------------------------------------------------*/
int SaveFourCircleTable(int handle, char *objName, FILE *fd){
FourTableEntry entry;
int status;
fprintf(fd,"%s table clear\n",objName);
status = LLDnodePtr2Last(handle);
while(status != 0) {
LLDnodeDataTo(handle,&entry);
fprintf(fd,"%s table add %f %s %f %d %f\n",objName,
entry.twoThetaEnd,entry.scanVar,
entry.step,entry.np,entry.preset);
status = LLDnodePtr2Prev(handle);
}
return 1;
}