2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.17 1997-09-09 13:38:19 adam
8 * Partial port to WIN95/NT.
10 * Revision 1.16 1996/10/29 13:47:49 adam
11 * Implemented res_get_match. Updated to use zebrautl instead of alexpath.
13 * Revision 1.15 1996/05/22 08:23:43 adam
14 * Bug fix: trailing blanks in resource values where not removed.
16 * Revision 1.14 1996/04/26 11:51:20 adam
17 * Resource names are matched by the yaz_matchstr routine instead of strcmp.
19 * Revision 1.13 1995/09/04 12:34:05 adam
20 * Various cleanup. YAZ util used instead.
22 * Revision 1.12 1995/01/24 16:40:32 adam
25 * Revision 1.11 1994/10/05 16:54:52 adam
28 * Revision 1.10 1994/10/05 10:47:31 adam
31 * Revision 1.9 1994/09/16 14:41:12 quinn
32 * Added log warning to res_get_def
34 * Revision 1.8 1994/09/16 14:37:12 quinn
37 * Revision 1.7 1994/09/06 13:01:03 quinn
38 * Removed const from declaration of res_get
40 * Revision 1.6 1994/09/01 17:45:14 adam
41 * Work on resource manager.
43 * Revision 1.5 1994/08/18 11:02:28 adam
44 * Implementation of res_write.
46 * Revision 1.4 1994/08/18 10:02:01 adam
47 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
49 * Revision 1.3 1994/08/18 09:43:51 adam
50 * Development of resource manager. Only missing is res_write.
52 * Revision 1.2 1994/08/18 08:23:26 adam
53 * Res.c now use handles. xmalloc defines xstrdup.
55 * Revision 1.1 1994/08/17 15:34:23 adam
56 * Initial version of resource manager.
72 static struct res_entry *add_entry (Res r)
74 struct res_entry *resp;
77 resp = r->last = r->first = xmalloc (sizeof(*resp));
80 resp = xmalloc (sizeof(*resp));
88 static void reread (Res r)
90 struct res_entry *resp;
93 int val_size, val_max = 256;
100 val_buf = xmalloc (val_max);
102 fr = fopen (r->name, "r");
105 logf (LOG_FATAL|LOG_ERRNO, "Cannot open %s", r->name);
110 line = fgets (fr_buf, 1023, fr);
117 while (fr_buf[no] && fr_buf[no] != '\n')
121 resp = add_entry (r);
122 resp->name = xmalloc (no+1);
124 strcpy (resp->name, fr_buf);
131 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
136 if (fr_buf[no] == ':')
143 resp = add_entry (r);
144 resp->name = xmalloc (no);
145 strcpy (resp->name, fr_buf);
147 while (fr_buf[no] == ' ')
152 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
154 while (val_size > 0 &&
155 (val_buf[val_size-1] == ' ' ||
156 val_buf[val_size-1] == '\t'))
158 val_buf[val_size++] = '\0';
159 resp->value = xmalloc (val_size);
160 strcpy (resp->value, val_buf);
161 logf (LOG_DEBUG, "(name=%s,value=%s)",
162 resp->name, resp->value);
165 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
167 line = fgets (fr_buf, 1023, fr);
170 resp->value = xmalloc (val_size);
171 strcpy (resp->value, val_buf);
178 val_buf[val_size++] = fr_buf[no++];
179 if (val_size+1 >= val_max)
183 nb = xmalloc (val_max+=1024);
184 memcpy (nb, val_buf, val_size);
196 Res res_open (const char *name)
200 if (access (name, 4))
202 if (access (name, R_OK))
204 logf (LOG_LOG|LOG_ERRNO, "Cannot access `%s'", name);
205 r = xmalloc (sizeof(*r));
207 r->first = r->last = NULL;
208 r->name = xstrdup (name);
212 void res_close (Res r)
217 struct res_entry *re, *re1;
218 for (re = r->first; re; re=re1)
231 char *res_get (Res r, const char *name)
233 struct res_entry *re;
238 for (re = r->first; re; re=re->next)
239 if (re->value && !yaz_matchstr (re->name, name))
244 char *res_get_def (Res r, const char *name, char *def)
248 if (!(t = res_get (r, name)))
250 logf (LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
257 int res_get_match (Res r, const char *name, const char *value, const char *s)
259 const char *cn = res_get (r, name);
261 if (cn && !yaz_matchstr (cn, value))
266 void res_put (Res r, const char *name, const char *value)
268 struct res_entry *re;
273 for (re = r->first; re; re=re->next)
274 if (re->value && !yaz_matchstr (re->name, name))
277 re->value = xstrdup (value);
281 re->name = xstrdup (name);
282 re->value = xstrdup (value);
285 void res_trav (Res r, const char *prefix,
286 void (*f)(const char *name, const char *value))
288 struct res_entry *re;
296 for (re = r->first; re; re=re->next)
298 if (l==0 || !memcmp (re->name, prefix, l))
299 (*f)(re->name, re->value);
303 int res_write (Res r)
305 struct res_entry *re;
311 fr = fopen (r->name, "w");
314 logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", r->name);
318 for (re = r->first; re; re=re->next)
321 int lefts = strlen(re->name)+2;
324 fprintf (fr, "%s\n", re->name);
327 fprintf (fr, "%s: ", re->name);
328 while (lefts + strlen(re->value+no) > 78)
331 int ind = no+ 78-lefts;
334 if (re->value[ind] == ' ')
339 ind = no + 78 - lefts;
340 for (i = no; i != ind; i++)
341 putc (re->value[i], fr);
342 fprintf (fr, "\\\n");
346 fprintf (fr, "%s\n", re->value+no);