-/* $Id: res.c,v 1.49 2006-05-10 08:13:46 adam Exp $
- Copyright (C) 1995-2005
+/* $Id: res.c,v 1.58 2007-05-16 10:57:06 adam Exp $
+ Copyright (C) 1995-2007
Index Data ApS
This file is part of the Zebra server.
for more details.
You should have received a copy of the GNU General Public License
-along with Zebra; see the file LICENSE.zebra. If not, write to the
-Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
*/
#include <stdio.h>
#include <unistd.h>
#endif
+#include <yaz/tokenizer.h>
#include <yaz/yaz-util.h>
#include <idzebra/res.h>
};
struct res_struct {
+ int ref_count;
struct res_entry *first, *last;
Res def_res;
Res over_res;
};
+static Res res_incref(Res r)
+{
+ if (r)
+ r->ref_count++;
+ return r;
+}
+
static struct res_entry *add_entry(Res r)
{
struct res_entry *resp;
ZEBRA_RES res_read_file(Res r, const char *fname)
{
- struct res_entry *resp;
- char *line;
- char *val_buf;
- int val_size, val_max = 256;
- char fr_buf[1024];
FILE *fr;
+ int errors = 0;
assert(r);
if (!fr)
{
yaz_log(YLOG_WARN|YLOG_ERRNO, "Cannot open `%s'", fname);
- return ZEBRA_FAIL;
+ errors++;
}
- val_buf = (char*) xmalloc(val_max);
- while (1)
+ else
{
- line = fgets(fr_buf, sizeof(fr_buf)-1, fr);
- if (!line)
- break;
- if (*line != '#')
+ char fr_buf[1024];
+ char *line;
+ int lineno = 1;
+ WRBUF wrbuf_val = wrbuf_alloc();
+ yaz_tok_cfg_t yt = yaz_tok_cfg_create();
+
+ while ((line = fgets(fr_buf, sizeof(fr_buf)-1, fr)))
{
- int no = 0;
- while (1)
+ yaz_tok_parse_t tp = yaz_tok_parse_buf(yt, line);
+ int t = yaz_tok_move(tp);
+
+ if (t == YAZ_TOK_STRING)
{
- if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
+ size_t sz;
+ struct res_entry *resp;
+ const char *cp = yaz_tok_parse_string(tp);
+ const char *cp1 = strchr(cp, ':');
+
+ if (!cp1)
{
- no = 0;
+ yaz_log(YLOG_FATAL, "%s:%d missing colon after '%s'",
+ fname, lineno, cp);
+ errors++;
break;
}
- if (strchr(": \t", fr_buf[no]))
- break;
- no++;
- }
- if (!no)
- continue;
- fr_buf[no++] = '\0';
- resp = add_entry(r);
- resp->name = (char*) xmalloc(no);
- strcpy(resp->name, fr_buf);
-
- while (strchr(" \t", fr_buf[no]))
- no++;
- val_size = 0;
- while (1)
- {
- if (fr_buf[no] == '\0' || strchr("\n\r\f", fr_buf[no]))
+ resp = add_entry(r);
+ sz = cp1 - cp;
+ resp->name = xmalloc(sz + 1);
+ memcpy(resp->name, cp, sz);
+ resp->name[sz] = '\0';
+
+ wrbuf_rewind(wrbuf_val);
+
+ if (cp1[1])
{
- while (val_size > 0 &&
- (val_buf[val_size-1] == ' ' ||
- val_buf[val_size-1] == '\t'))
- val_size--;
- val_buf[val_size] = '\0';
- resp->value = xstrdup_env(val_buf);
- yaz_log(YLOG_DEBUG, "(name=%s,value=%s)",
- resp->name, resp->value);
- break;
+ /* name:value */
+ wrbuf_puts(wrbuf_val, cp1+1);
}
- else if (fr_buf[no] == '\\' && strchr("\n\r\f", fr_buf[no+1]))
+ else
{
- line = fgets(fr_buf, sizeof(fr_buf)-1, fr);
- if (!line)
+ /* name: value */
+ t = yaz_tok_move(tp);
+
+ if (t != YAZ_TOK_STRING)
{
- val_buf[val_size] = '\0';
- resp->value = xstrdup_env(val_buf);
+ resp->value = xstrdup("");
+ yaz_log(YLOG_FATAL, "%s:%d missing value after '%s'",
+ fname, lineno, resp->name);
+ errors++;
break;
}
- no = 0;
+ wrbuf_puts(wrbuf_val, yaz_tok_parse_string(tp));
}
- else
+ while ((t=yaz_tok_move(tp)) == YAZ_TOK_STRING)
{
- val_buf[val_size++] = fr_buf[no++];
- if (val_size+1 >= val_max)
- {
- char *nb;
-
- nb = (char*) xmalloc(val_max+=1024);
- memcpy(nb, val_buf, val_size);
- xfree(val_buf);
- val_buf = nb;
- }
+ wrbuf_putc(wrbuf_val, ' ');
+ wrbuf_puts(wrbuf_val, yaz_tok_parse_string(tp));
}
+ resp->value = xstrdup_env(wrbuf_cstr(wrbuf_val));
+ /* printf("name=%s value=%s\n", resp->name, resp->value); */
}
- }
- }
- xfree(val_buf);
- fclose(fr);
+ lineno++;
+ yaz_tok_parse_destroy(tp);
+ }
+ fclose(fr);
+ yaz_tok_cfg_destroy(yt);
+ wrbuf_destroy(wrbuf_val);
+ }
+ if (errors)
+ return ZEBRA_FAIL;
return ZEBRA_OK;
}
+
Res res_open(Res def_res, Res over_res)
{
Res r;
r = (Res) xmalloc(sizeof(*r));
+
+ r->ref_count = 1;
r->first = r->last = NULL;
- r->def_res = def_res;
- r->over_res = over_res;
+ r->def_res = res_incref(def_res);
+ r->over_res = res_incref(over_res);
return r;
}
void res_close(Res r)
{
- if (!r)
- return;
- res_clear(r);
-
- xfree(r);
+ if (r && --(r->ref_count) == 0)
+ {
+ res_clear(r);
+ res_close(r->def_res);
+ res_close(r->over_res);
+ xfree(r);
+ }
}
const char *res_get_prefix(Res r, const char *name, const char *prefix,
if (!(t = res_get(r, name)))
{
- yaz_log(YLOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
+ if (def)
+ yaz_log(YLOG_DEBUG, "Using default resource %s:%s", name, def);
return def;
}
else
struct res_entry *re;
assert(r);
+ if (!value)
+ return;
for (re = r->first; re; re=re->next)
if (re->value && !yaz_matchstr(re->name, name))
{
}
int res_trav(Res r, const char *prefix, void *p,
- void (*f)(void *p, const char *name, const char *value))
+ void (*f)(void *p, const char *name, const char *value))
{
struct res_entry *re;
int l = 0;
return ZEBRA_FAIL;
}
-/* == pop ================================================================= */
-Res res_add_over (Res p, Res t)
-{
- if ((!p) || (!t))
- return (0);
-
- while (p->over_res)
- p = p->over_res;
-
- p->over_res = t;
- return (p);
-}
-
-void res_remove_over (Res r)
-{
- if (!r)
- return;
- r->over_res = 0;
-}
-
-void res_close_over (Res r)
-{
- if (!r)
- return;
- if (r->over_res)
- res_close(r->over_res);
- r->over_res = 0;
-}
-
-void res_add (Res r, const char *name, const char *value)
-{
- struct res_entry *re;
- assert (r);
- if ((name) && (value))
- yaz_log (YLOG_RES, "res_add res=%p, name=%s, value=%s", r, name, value);
-
- re = add_entry (r);
- re->name = xstrdup (name);
- re->value = xstrdup_env (value);
-}
-
-char **res_2_array (Res r)
-{
- struct res_entry *re;
- int i = 0;
- char **list;
-
- if (!r)
- return 0;
-
- list = xmalloc(sizeof(char *));
-
- for (re = r->first; re; re=re->next) {
- list = xrealloc(list, ((i+3) * sizeof(char *)));
- list[i++] = strdup(re->name);
- if (re->value)
- list[i++] = strdup(re->value);
- else
- list[i++] = strdup("");
- yaz_log(YLOG_RES, "res2array: %s=%s",re->name, re->value);
- }
- list[i++] = 0;
- return (list);
-}
-char **res_get_array(Res r, const char* name)
+void res_add(Res r, const char *name, const char *value)
{
struct res_entry *re;
- int i = 0;
- char **list;
-
- if (!r)
- return 0;
-
- list = xmalloc(sizeof(char *));
-
- for (re = r->first; re; re=re->next)
- if (re->value && !yaz_matchstr (re->name, name))
- {
- list = xrealloc(list, (i+2) * sizeof(char *));
- list[i++] = xstrdup(re->value);
- }
-
- if (i == 0)
- return (res_get_array(r->def_res, name));
-
- list[i++] = 0;
- return (list);
+ assert(r);
+ assert(name);
+ assert(value);
+ yaz_log(YLOG_RES, "res_add res=%p, name=%s, value=%s", r, name, value);
+ re = add_entry(r);
+ re->name = xstrdup(name);
+ re->value = xstrdup_env(value);
}
-void res_dump (Res r, int level)
+void res_dump(Res r, int level)
{
struct res_entry *re;
}
if (r->def_res) {
- printf ("%*s DEF ",level * 4,"");
- res_dump (r->def_res, level + 1);
+ printf("%*s DEF ",level * 4,"");
+ res_dump(r->def_res, level + 1);
}
if (r->over_res) {
- printf ("%*s OVER ",level * 4,"");
- res_dump (r->over_res, level + 1);
+ printf("%*s OVER ",level * 4,"");
+ res_dump(r->over_res, level + 1);
+ }
+}
+
+int res_check(Res r_i, Res r_v)
+{
+ struct res_entry *e_i;
+ int errors = 0;
+
+ for (e_i = r_i->first; e_i; e_i = e_i->next)
+ {
+ struct res_entry *e_v;
+ for (e_v = r_v->first; e_v; e_v = e_v->next)
+ {
+ int prefix_allowed = 0;
+ int suffix_allowed = 0;
+ const char *name = e_i->name;
+ size_t name_len = strlen(e_i->name);
+ char namez[32];
+ const char *first_dot = 0;
+ const char *second_dot = 0;
+
+ if (strchr(e_v->value, 'p'))
+ prefix_allowed = 1;
+ if (strchr(e_v->value, 's'))
+ suffix_allowed = 1;
+
+ first_dot = strchr(name, '.');
+ if (prefix_allowed && first_dot)
+ {
+ name = first_dot+1;
+ name_len = strlen(name);
+ }
+ second_dot = strchr(name, '.');
+ if (suffix_allowed && second_dot)
+ {
+ name_len = second_dot - name;
+ }
+ if (name_len < sizeof(namez)-1)
+ {
+ memcpy(namez, name, name_len);
+ namez[name_len] = '\0';
+ if (!yaz_matchstr(namez, e_v->name))
+ break;
+ }
+ /* for case 'a.b' we have to check 'a' as well */
+ if (prefix_allowed && suffix_allowed && first_dot && !second_dot)
+ {
+ name = e_i->name;
+ name_len = first_dot - name;
+ if (name_len < sizeof(namez)-1)
+ {
+ memcpy(namez, name, name_len);
+ namez[name_len] = '\0';
+ if (!yaz_matchstr(namez, e_v->name))
+ break;
+ }
+ }
+ }
+ if (!e_v)
+ {
+ yaz_log(YLOG_WARN, "The following setting is unrecognized: %s",
+ e_i->name);
+ errors++;
+ }
}
+ return errors;
}
+
/*
* Local variables:
* c-basic-offset: 4