#include <u.h>#include <libc.h>#include <bio.h>#include <ctype.h>#include <ndb.h>#include "ndbhf.h"/* * Parse a data base entry. Entries may span multiple * lines. An entry starts on a left margin. All subsequent * lines must be indented by white space. An entry consists * of tuples of the forms: * attribute-name * attribute-name=value * attribute-name="value with white space" * * The parsing returns a 2-dimensional structure. The first * dimension joins all tuples. All tuples on the same line * form a ring along the second dimension. *//* * parse the next entry in the file */Ndbtuple*ndbparse(Ndb *db){ char *line; Ndbtuple *t; Ndbtuple *first, *last; int len; first = last = 0; for(;;){ if((line = Brdline(&db->b, '\n')) == 0) break; len = Blinelen(&db->b); if(line[len-1] != '\n') break; if(first && !ISWHITE(*line) && *line != '#'){ Bseek(&db->b, -len, 1); break; } t = _ndbparseline(line); if(t == 0) continue; setmalloctag(t, getcallerpc(&db)); if(first) last->entry = t; else first = t; last = t; while(last->entry) last = last->entry; } ndbsetmalloctag(first, getcallerpc(&db)); return first;}Ndbtuple*ndbparsedbs(Ndbs *s, Ndb *db){ Ndbtuple *t; if(db == nil) sysfatal("ndbparsedbs: nil db %#p\n", getcallerpc(&s)); if(s->db == nil){ s->db = db; ndbreopen(s->db); // Bseek(&db->b, 0, 0); } for(;;){ if(t = ndbparse(s->db)) return t; if(s->db->next == nil) return nil; s->db = s->db->next; ndbreopen(s->db); // Bseek(&db->b, 0, 0); }}
#include <u.h>
#include <libc.h>
#include <bio.h>
#include <ctype.h>
#include <ndb.h>
#include "ndbhf.h"
/*
* Parse a data base entry. Entries may span multiple
* lines. An entry starts on a left margin. All subsequent
* lines must be indented by white space. An entry consists
* of tuples of the forms:
* attribute-name
* attribute-name=value
* attribute-name="value with white space"
*
* The parsing returns a 2-dimensional structure. The first
* dimension joins all tuples. All tuples on the same line
* form a ring along the second dimension.
*/
/*
* parse the next entry in the file
*/
Ndbtuple*
ndbparse(Ndb *db)
{
char *line;
Ndbtuple *t;
Ndbtuple *first, *last;
int len;
first = last = 0;
for(;;){
if((line = Brdline(&db->b, '\n')) == 0)
break;
len = Blinelen(&db->b);
if(line[len-1] != '\n')
break;
if(first && !ISWHITE(*line) && *line != '#'){
Bseek(&db->b, -len, 1);
break;
}
t = _ndbparseline(line);
if(t == 0)
continue;
setmalloctag(t, getcallerpc(&db));
if(first)
last->entry = t;
else
first = t;
last = t;
while(last->entry)
last = last->entry;
}
ndbsetmalloctag(first, getcallerpc(&db));
return first;
}
Ndbtuple*
ndbparsedbs(Ndbs *s, Ndb *db)
{
Ndbtuple *t;
if(db == nil)
sysfatal("ndbparsedbs: nil db %#p\n", getcallerpc(&s));
if(s->db == nil){
s->db = db;
ndbreopen(s->db);
// Bseek(&db->b, 0, 0);
}
for(;;){
if(t = ndbparse(s->db))
return t;
if(s->db->next == nil)
return nil;
s->db = s->db->next;
ndbreopen(s->db);
// Bseek(&db->b, 0, 0);
}
}