/*
* parse a single tuple
*/
char*
_ndbparsetuple(char *cp, Ndbtuple **tp)
{
char *p;
int len;
Ndbtuple *t;
/* a '#' starts a comment lasting till new line */
EATWHITE(cp);
if(*cp == '#' || *cp == '\n')
return 0;
t = ndbnew(nil, nil);
setmalloctag(t, getcallerpc());
*tp = t;
/* parse attribute */
p = cp;
while(*cp != '=' && !ISWHITE(*cp) && *cp != '\n')
cp++;
len = cp - p;
if(len >= Ndbalen)
len = Ndbalen-1;
strncpy(t->attr, p, len);
/* parse value */
EATWHITE(cp);
if(*cp == '='){
cp++;
if(*cp == '"'){
p = ++cp;
while(*cp != '\n' && *cp != '"')
cp++;
len = cp - p;
if(*cp == '"')
cp++;
} else if(*cp == '#'){
len = 0;
} else {
p = cp;
while(!ISWHITE(*cp) && *cp != '\n')
cp++;
len = cp - p;
}
ndbsetval(t, p, len);
}
return cp;
}
/*
* allocate a tuple
*/
struct ndbtuple*
ndbnew(char *attr, char *val)
{
struct ndbtuple *t;
t = calloc(1, sizeof(*t));
if(t == NULL){
fprintf(stderr, "ndbnew %r");
exit(1);
}
if(attr != NULL)
strncpy(t->attr, attr, sizeof(t->attr)-1);
t->val = t->valbuf;
if(val != NULL)
ndbsetval(t, val, strlen(val));
ndbsetmalloctag(t, getcallerpc(&attr));
return t;
}
