NdbMTReacDesc.cxx

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#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>

#include "NdbMTReacDesc.h"

ClassImp(NdbMTReacDesc)

/* ================ NdbMTReacDesc ================== */
NdbMTReacDesc::NdbMTReacDesc(const char *filename)
{
        Init(filename);
} // NdbMTReacDesc

/* ------- ~NdbMTReacDesc ------- */
NdbMTReacDesc::~NdbMTReacDesc()
{
        if (shrt) {
                for (int i=0; i<mt.GetSize(); i++) {
                        if (shrt[i]) free(shrt[i]);
                        if (desc[i]) free(desc[i]);
                        if (comment[i]) free(comment[i]);
                }
                free(shrt);
                free(desc);
                free(comment);
        }
} // ~NdbMTReacDesc

/* ------ Init ------ */
void
NdbMTReacDesc::Init(const char *filename)
{
        shrt = NULL;
        desc = NULL;
        comment = NULL;

        FILE    *f;

        if ((f=fopen(filename,"r"))==NULL) {
                fprintf(stderr,"ERROR: NdbMTReacDesc::NdbMTReacDesc(%s) cannot open file.\n",filename);
                return;
        }

        /* ----- First read total number of MT's ------ */
        Int_t   N;

        fscanf(f,"%d",&N);
        if (N<=0) {
                fprintf(stderr,"ERROR: NdbMTReacDesc::NdbMTReacDesc(%s) error reading from file.\n",filename);
                fclose(f);
        }

        /* ----- Allocate memory ----- */
        mt.Set(N);
        shrt = (char **)malloc(N * sizeof(char*));
        desc = (char **)malloc(N * sizeof(char*));
        comment = (char **)malloc(N * sizeof(char*));

        for (int i=0; i<N; i++) {
                /* --- read mt number and short description --- */
                Int_t   mt_num, ch;
                char    str[512], str2[256];

                fscanf(f,"%d",&mt_num);

                mt.AddAt(mt_num,i);

                /* --- skip blanks --- */
                do {} while (isspace(ch=fgetc(f)));
                ungetc(ch,f);

                /* get rest of line */
                fgets(str,sizeof(str),f);

                /* --- strip last newline char --- */
                str[strlen(str)-1] = 0;

                shrt[i] = strdup(str);

                /* --- Read the description line until the empty line --- */
                str[0] = 0;
                while (1) {
                        fgets(str2,sizeof(str2),f);
                        if (str2[0] == '\n') break;
                        strlcat(str,str2,512);
                }
                str[strlen(str)-1] = 0;
                desc[i] = strdup(str);

                /* --- Read the description line until the empty line --- */
                str[0] = 0;
                while (1) {
                        fgets(str2,sizeof(str2),f);
                        if (str2[0] == '\n') break;
                        strlcat(str,str2,512);
                }
                if (str && str[0])
                        str[strlen(str)-1] = 0;
                comment[i] = strdup(str);
        }
        fclose(f);
} // NdbMTReacDesc

/* ------- FindMT -------- */
Int_t
NdbMTReacDesc::FindMT( Int_t MT )
{
        /* Make a linear search */
        if (shrt)
                for (int i=0; i<mt.GetSize(); i++)
                        if (mt[i] == MT)
                                return i;
                        else
                        if (mt[i] > MT)
                                break;
        return -1;
} // FindMT

/* ------- GetShort -------- */
char *
NdbMTReacDesc::GetShort(Int_t MT)
{
        Int_t   idx = FindMT(MT);
        if (idx<0)
                return NULL;

        return shrt[idx];
} // GetShort

/* ------- GetDescription -------- */
char *
NdbMTReacDesc::GetDescription(Int_t MT)
{
        Int_t   idx = FindMT(MT);
        if (idx<0)
                return NULL;

        return desc[idx];
} // GetDescription

/* ------- GetComment -------- */
char *
NdbMTReacDesc::GetComment(Int_t MT)
{
        Int_t   idx = FindMT(MT);
        if (idx<0)
                return NULL;

        return comment[idx];
} // GetComment

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