2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.21 1997-11-18 10:04:03 adam
8 * Function res_trav returns number of 'hits'.
10 * Revision 1.20 1997/10/31 12:39:15 adam
11 * Resouce name can be terminated with either white-space or colon.
13 * Revision 1.19 1997/10/27 14:27:59 adam
16 * Revision 1.18 1997/09/17 12:19:24 adam
17 * Zebra version corresponds to YAZ version 1.4.
18 * Changed Zebra server so that it doesn't depend on global common_resource.
20 * Revision 1.17 1997/09/09 13:38:19 adam
21 * Partial port to WIN95/NT.
23 * Revision 1.16 1996/10/29 13:47:49 adam
24 * Implemented res_get_match. Updated to use zebrautl instead of alexpath.
26 * Revision 1.15 1996/05/22 08:23:43 adam
27 * Bug fix: trailing blanks in resource values where not removed.
29 * Revision 1.14 1996/04/26 11:51:20 adam
30 * Resource names are matched by the yaz_matchstr routine instead of strcmp.
32 * Revision 1.13 1995/09/04 12:34:05 adam
33 * Various cleanup. YAZ util used instead.
35 * Revision 1.12 1995/01/24 16:40:32 adam
38 * Revision 1.11 1994/10/05 16:54:52 adam
41 * Revision 1.10 1994/10/05 10:47:31 adam
44 * Revision 1.9 1994/09/16 14:41:12 quinn
45 * Added log warning to res_get_def
47 * Revision 1.8 1994/09/16 14:37:12 quinn
50 * Revision 1.7 1994/09/06 13:01:03 quinn
51 * Removed const from declaration of res_get
53 * Revision 1.6 1994/09/01 17:45:14 adam
54 * Work on resource manager.
56 * Revision 1.5 1994/08/18 11:02:28 adam
57 * Implementation of res_write.
59 * Revision 1.4 1994/08/18 10:02:01 adam
60 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
62 * Revision 1.3 1994/08/18 09:43:51 adam
63 * Development of resource manager. Only missing is res_write.
65 * Revision 1.2 1994/08/18 08:23:26 adam
66 * Res.c now use handles. xmalloc defines xstrdup.
68 * Revision 1.1 1994/08/17 15:34:23 adam
69 * Initial version of resource manager.
85 static struct res_entry *add_entry (Res r)
87 struct res_entry *resp;
90 resp = r->last = r->first = xmalloc (sizeof(*resp));
93 resp = xmalloc (sizeof(*resp));
101 static void reread (Res r)
103 struct res_entry *resp;
106 int val_size, val_max = 256;
113 val_buf = xmalloc (val_max);
115 fr = fopen (r->name, "r");
118 logf (LOG_FATAL|LOG_ERRNO, "Cannot open %s", r->name);
123 line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
130 while (fr_buf[no] && fr_buf[no] != '\n')
134 resp = add_entry (r);
135 resp->name = xmalloc (no+1);
137 strcpy (resp->name, fr_buf);
144 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
149 if (strchr (": \t", fr_buf[no]))
156 resp = add_entry (r);
157 resp->name = xmalloc (no);
158 strcpy (resp->name, fr_buf);
160 while (strchr (" \t", fr_buf[no]))
165 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
167 while (val_size > 0 &&
168 (val_buf[val_size-1] == ' ' ||
169 val_buf[val_size-1] == '\t'))
171 val_buf[val_size++] = '\0';
172 resp->value = xmalloc (val_size);
173 strcpy (resp->value, val_buf);
174 logf (LOG_DEBUG, "(name=%s,value=%s)",
175 resp->name, resp->value);
178 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
180 line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
183 resp->value = xmalloc (val_size);
184 strcpy (resp->value, val_buf);
191 val_buf[val_size++] = fr_buf[no++];
192 if (val_size+1 >= val_max)
196 nb = xmalloc (val_max+=1024);
197 memcpy (nb, val_buf, val_size);
209 Res res_open (const char *name)
213 if (access (name, 4))
215 if (access (name, R_OK))
217 logf (LOG_LOG|LOG_ERRNO, "Cannot access `%s'", name);
218 r = xmalloc (sizeof(*r));
220 r->first = r->last = NULL;
221 r->name = xstrdup (name);
225 void res_close (Res r)
230 struct res_entry *re, *re1;
231 for (re = r->first; re; re=re1)
245 char *res_get (Res r, const char *name)
247 struct res_entry *re;
252 for (re = r->first; re; re=re->next)
253 if (re->value && !yaz_matchstr (re->name, name))
258 char *res_get_def (Res r, const char *name, char *def)
262 if (!(t = res_get (r, name)))
264 logf (LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
271 int res_get_match (Res r, const char *name, const char *value, const char *s)
273 const char *cn = res_get (r, name);
275 if (cn && !yaz_matchstr (cn, value))
280 void res_put (Res r, const char *name, const char *value)
282 struct res_entry *re;
287 for (re = r->first; re; re=re->next)
288 if (re->value && !yaz_matchstr (re->name, name))
291 re->value = xstrdup (value);
295 re->name = xstrdup (name);
296 re->value = xstrdup (value);
299 int res_trav (Res r, const char *prefix, void *p,
300 void (*f)(void *p, const char *name, const char *value))
302 struct res_entry *re;
311 for (re = r->first; re; re=re->next)
313 if (l==0 || !memcmp (re->name, prefix, l))
315 (*f)(p, re->name, re->value);
322 int res_write (Res r)
324 struct res_entry *re;
330 fr = fopen (r->name, "w");
333 logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", r->name);
337 for (re = r->first; re; re=re->next)
340 int lefts = strlen(re->name)+2;
343 fprintf (fr, "%s\n", re->name);
346 fprintf (fr, "%s: ", re->name);
347 while (lefts + strlen(re->value+no) > 78)
350 int ind = no+ 78-lefts;
353 if (re->value[ind] == ' ')
358 ind = no + 78 - lefts;
359 for (i = no; i != ind; i++)
360 putc (re->value[i], fr);
361 fprintf (fr, "\\\n");
365 fprintf (fr, "%s\n", re->value+no);