-/* $Id: res.c,v 1.42 2005-06-13 10:27:52 adam Exp $
- Copyright (C) 1995-2005
- Index Data ApS
-
-This file is part of the Zebra server.
+/* This file is part of the Zebra server.
+ Copyright (C) 1995-2008 Index Data
Zebra is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
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 <assert.h>
#ifdef WIN32
#include <io.h>
-#else
+#endif
+#if HAVE_UNISTD_H
#include <unistd.h>
#endif
+#include <yaz/tokenizer.h>
#include <yaz/yaz-util.h>
#include <idzebra/res.h>
+#define YLOG_RES 0
+
struct res_entry {
char *name;
char *value;
};
struct res_struct {
+ int ref_count;
struct res_entry *first, *last;
- char *name;
- int init;
Res def_res;
Res over_res;
};
-static struct res_entry *add_entry (Res r)
+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;
if (!r->first)
resp = r->last = r->first =
- (struct res_entry *) xmalloc (sizeof(*resp));
+ (struct res_entry *) xmalloc(sizeof(*resp));
else
{
- resp = (struct res_entry *) xmalloc (sizeof(*resp));
+ resp = (struct res_entry *) xmalloc(sizeof(*resp));
r->last->next = resp;
r->last = resp;
}
return dst;
}
-static void reread (Res r)
+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);
- r->init = 1;
-
- if (!r->name)
- return;
+ assert(r);
- fr = fopen (r->name, "r");
+ fr = fopen(fname, "r");
if (!fr)
{
- yaz_log (YLOG_WARN|YLOG_ERRNO, "Cannot open `%s'", r->name);
- return ;
+ yaz_log(YLOG_WARN|YLOG_ERRNO, "Cannot open `%s'", fname);
+ 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 (fr_buf[no] && fr_buf[no] != '\n')
- no++;
- fr_buf[no] = '\0';
-
- resp = add_entry (r);
- resp->name = (char*) xmalloc (no+1);
- resp->value = NULL;
- strcpy (resp->name, fr_buf);
- }
- else
- {
- 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 (const char *name, Res def_res, Res over_res)
+Res res_open(Res def_res, Res over_res)
{
Res r;
+ r = (Res) xmalloc(sizeof(*r));
- if (name)
+ r->ref_count = 1;
+ r->first = r->last = NULL;
+ r->def_res = res_incref(def_res);
+ r->over_res = res_incref(over_res);
+ return r;
+}
+
+void res_clear(Res r)
+{
+ struct res_entry *re, *re1;
+ for (re = r->first; re; re=re1)
{
-#ifdef WIN32
- if (access (name, 4))
-#else
- if (access (name, R_OK))
-#endif
- {
- yaz_log (YLOG_WARN|YLOG_ERRNO, "Cannot open `%s'", name);
- return 0;
- }
+ if (re->name)
+ xfree(re->name);
+ if (re->value)
+ xfree(re->value);
+ re1 = re->next;
+ xfree(re);
}
- r = (Res) xmalloc (sizeof(*r));
- r->init = 0;
r->first = r->last = NULL;
- if (name)
- r->name = xstrdup (name);
- else
- r->name=0;
- r->def_res = def_res;
- r->over_res = over_res;
- return r;
}
-void res_close (Res r)
+void res_close(Res r)
{
- if (!r)
- return;
- if (r->init)
+ if (r && --(r->ref_count) == 0)
{
- struct res_entry *re, *re1;
- for (re = r->first; re; re=re1)
- {
- if (re->name)
- xfree (re->name);
- if (re->value)
- xfree (re->value);
- re1 = re->next;
- xfree (re);
- }
+ res_clear(r);
+ res_close(r->def_res);
+ res_close(r->over_res);
+ xfree(r);
}
- xfree (r->name);
- xfree (r);
}
-const char *res_get_prefix (Res r, const char *name, const char *prefix,
+const char *res_get_prefix(Res r, const char *name, const char *prefix,
const char *def)
{
const char *v = 0;;
return v;
}
-const char *res_get (Res r, const char *name)
+const char *res_get(Res r, const char *name)
{
struct res_entry *re;
const char *v;
if (v)
return v;
- if (!r->init)
- reread (r);
for (re = r->first; re; re=re->next)
- if (re->value && !yaz_matchstr (re->name, name))
+ if (re->value && !yaz_matchstr(re->name, name))
return re->value;
- return res_get (r->def_res, name);
+ return res_get(r->def_res, name);
}
-const char *res_get_def (Res r, const char *name, const char *def)
+const char *res_get_def(Res r, const char *name, const char *def)
{
const char *t;
- if (!(t = res_get (r, name)))
+ 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
return t;
}
-int res_get_match (Res r, const char *name, const char *value, const char *s)
+int res_get_match(Res r, const char *name, const char *value, const char *s)
{
- const char *cn = res_get (r, name);
+ const char *cn = res_get(r, name);
if (!cn)
cn = s;
- if (cn && !yaz_matchstr (cn, value))
+ if (cn && !yaz_matchstr(cn, value))
return 1;
return 0;
}
-void res_set (Res r, const char *name, const char *value)
+void res_set(Res r, const char *name, const char *value)
{
struct res_entry *re;
- assert (r);
- if (!r->init)
- reread (r);
+ assert(r);
+ if (!value)
+ return;
for (re = r->first; re; re=re->next)
- if (re->value && !yaz_matchstr (re->name, name))
+ if (re->value && !yaz_matchstr(re->name, name))
{
- xfree (re->value);
- re->value = xstrdup_env (value);
+ xfree(re->value);
+ re->value = xstrdup_env(value);
return;
}
- re = add_entry (r);
- re->name = xstrdup (name);
- re->value = xstrdup_env (value);
+ re = add_entry(r);
+ re->name = xstrdup(name);
+ re->value = xstrdup_env(value);
}
-int res_trav (Res r, const char *prefix, void *p,
- void (*f)(void *p, const char *name, const char *value))
+int res_trav(Res r, const char *prefix, void *p,
+ void (*f)(void *p, const char *name, const char *value))
{
struct res_entry *re;
int l = 0;
if (!r)
return 0;
+ no = res_trav(r->over_res, prefix, p, f);
+ if (no)
+ return no;
if (prefix)
l = strlen(prefix);
- if (!r->init)
- reread (r);
for (re = r->first; re; re=re->next)
if (re->value)
- if (l==0 || !memcmp (re->name, prefix, l))
+ if (l==0 || !memcmp(re->name, prefix, l))
{
(*f)(p, re->name, re->value);
no++;
}
if (!no)
- return res_trav (r->def_res, prefix, p, f);
+ return res_trav(r->def_res, prefix, p, f);
return no;
}
-int res_write (Res r)
+ZEBRA_RES res_write_file(Res r, const char *fname)
{
struct res_entry *re;
FILE *fr;
- assert (r);
- if (!r->init)
- reread (r);
- if (!r->name)
- return 0; /* ok, this was not from a file */
- fr = fopen (r->name, "w");
+ assert(r);
+ fr = fopen(fname, "w");
if (!fr)
{
- yaz_log (YLOG_FATAL|YLOG_ERRNO, "Cannot create `%s'", r->name);
- exit (1);
+ yaz_log(YLOG_FATAL|YLOG_ERRNO, "Cannot create `%s'", fname);
+ return ZEBRA_FAIL;
}
for (re = r->first; re; re=re->next)
int lefts = strlen(re->name)+2;
if (!re->value)
- fprintf (fr, "%s\n", re->name);
+ fprintf(fr, "%s\n", re->name);
else
{
- fprintf (fr, "%s: ", re->name);
+ fprintf(fr, "%s: ", re->name);
while (lefts + strlen(re->value+no) > 78)
{
int i = 20;
if (i<0)
ind = no + 78 - lefts;
for (i = no; i != ind; i++)
- putc (re->value[i], fr);
- fprintf (fr, "\\\n");
+ putc(re->value[i], fr);
+ fprintf(fr, "\\\n");
no=ind;
lefts = 0;
}
- fprintf (fr, "%s\n", re->value+no);
+ fprintf(fr, "%s\n", re->value+no);
}
}
- fclose (fr);
- return 0;
+ fclose(fr);
+ return ZEBRA_OK;
}
ZEBRA_RES res_get_int(Res r, const char *name, int *val)
}
return ZEBRA_FAIL;
}
+
+
+void res_add(Res r, const char *name, const char *value)
+{
+ struct res_entry *re;
+ 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)
+{
+ struct res_entry *re;
+
+ if (!r)
+ return;
+
+ for (re = r->first; re; re=re->next) {
+ printf("%*s - %s:='%s'\n",level * 4,"",re->name,re->value);
+ }
+
+ if (r->def_res) {
+ 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);
+ }
+}
+
+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
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+