2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.22 1998-01-12 15:04:32 adam
10 * Revision 1.21 1997/11/18 10:04:03 adam
11 * Function res_trav returns number of 'hits'.
13 * Revision 1.20 1997/10/31 12:39:15 adam
14 * Resouce name can be terminated with either white-space or colon.
16 * Revision 1.19 1997/10/27 14:27:59 adam
19 * Revision 1.18 1997/09/17 12:19:24 adam
20 * Zebra version corresponds to YAZ version 1.4.
21 * Changed Zebra server so that it doesn't depend on global common_resource.
23 * Revision 1.17 1997/09/09 13:38:19 adam
24 * Partial port to WIN95/NT.
26 * Revision 1.16 1996/10/29 13:47:49 adam
27 * Implemented res_get_match. Updated to use zebrautl instead of alexpath.
29 * Revision 1.15 1996/05/22 08:23:43 adam
30 * Bug fix: trailing blanks in resource values where not removed.
32 * Revision 1.14 1996/04/26 11:51:20 adam
33 * Resource names are matched by the yaz_matchstr routine instead of strcmp.
35 * Revision 1.13 1995/09/04 12:34:05 adam
36 * Various cleanup. YAZ util used instead.
38 * Revision 1.12 1995/01/24 16:40:32 adam
41 * Revision 1.11 1994/10/05 16:54:52 adam
44 * Revision 1.10 1994/10/05 10:47:31 adam
47 * Revision 1.9 1994/09/16 14:41:12 quinn
48 * Added log warning to res_get_def
50 * Revision 1.8 1994/09/16 14:37:12 quinn
53 * Revision 1.7 1994/09/06 13:01:03 quinn
54 * Removed const from declaration of res_get
56 * Revision 1.6 1994/09/01 17:45:14 adam
57 * Work on resource manager.
59 * Revision 1.5 1994/08/18 11:02:28 adam
60 * Implementation of res_write.
62 * Revision 1.4 1994/08/18 10:02:01 adam
63 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
65 * Revision 1.3 1994/08/18 09:43:51 adam
66 * Development of resource manager. Only missing is res_write.
68 * Revision 1.2 1994/08/18 08:23:26 adam
69 * Res.c now use handles. xmalloc defines xstrdup.
71 * Revision 1.1 1994/08/17 15:34:23 adam
72 * Initial version of resource manager.
88 static struct res_entry *add_entry (Res r)
90 struct res_entry *resp;
93 resp = r->last = r->first = xmalloc (sizeof(*resp));
96 resp = xmalloc (sizeof(*resp));
104 static void reread (Res r)
106 struct res_entry *resp;
109 int val_size, val_max = 256;
116 val_buf = xmalloc (val_max);
118 fr = fopen (r->name, "r");
121 logf (LOG_WARN|LOG_ERRNO, "Cannot open %s", r->name);
126 line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
133 while (fr_buf[no] && fr_buf[no] != '\n')
137 resp = add_entry (r);
138 resp->name = xmalloc (no+1);
140 strcpy (resp->name, fr_buf);
147 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
152 if (strchr (": \t", fr_buf[no]))
159 resp = add_entry (r);
160 resp->name = xmalloc (no);
161 strcpy (resp->name, fr_buf);
163 while (strchr (" \t", fr_buf[no]))
168 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
170 while (val_size > 0 &&
171 (val_buf[val_size-1] == ' ' ||
172 val_buf[val_size-1] == '\t'))
174 val_buf[val_size++] = '\0';
175 resp->value = xmalloc (val_size);
176 strcpy (resp->value, val_buf);
177 logf (LOG_DEBUG, "(name=%s,value=%s)",
178 resp->name, resp->value);
181 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
183 line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
186 resp->value = xmalloc (val_size);
187 strcpy (resp->value, val_buf);
194 val_buf[val_size++] = fr_buf[no++];
195 if (val_size+1 >= val_max)
199 nb = xmalloc (val_max+=1024);
200 memcpy (nb, val_buf, val_size);
212 Res res_open (const char *name)
216 if (access (name, 4))
218 if (access (name, R_OK))
221 logf (LOG_LOG|LOG_ERRNO, "Cannot access resource file `%s'", name);
224 r = xmalloc (sizeof(*r));
226 r->first = r->last = NULL;
227 r->name = xstrdup (name);
231 void res_close (Res r)
236 struct res_entry *re, *re1;
237 for (re = r->first; re; re=re1)
251 char *res_get (Res r, const char *name)
253 struct res_entry *re;
258 for (re = r->first; re; re=re->next)
259 if (re->value && !yaz_matchstr (re->name, name))
264 char *res_get_def (Res r, const char *name, char *def)
268 if (!(t = res_get (r, name)))
270 logf (LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
277 int res_get_match (Res r, const char *name, const char *value, const char *s)
279 const char *cn = res_get (r, name);
281 if (cn && !yaz_matchstr (cn, value))
286 void res_put (Res r, const char *name, const char *value)
288 struct res_entry *re;
293 for (re = r->first; re; re=re->next)
294 if (re->value && !yaz_matchstr (re->name, name))
297 re->value = xstrdup (value);
301 re->name = xstrdup (name);
302 re->value = xstrdup (value);
305 int res_trav (Res r, const char *prefix, void *p,
306 void (*f)(void *p, const char *name, const char *value))
308 struct res_entry *re;
317 for (re = r->first; re; re=re->next)
319 if (l==0 || !memcmp (re->name, prefix, l))
321 (*f)(p, re->name, re->value);
328 int res_write (Res r)
330 struct res_entry *re;
336 fr = fopen (r->name, "w");
339 logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", r->name);
343 for (re = r->first; re; re=re->next)
346 int lefts = strlen(re->name)+2;
349 fprintf (fr, "%s\n", re->name);
352 fprintf (fr, "%s: ", re->name);
353 while (lefts + strlen(re->value+no) > 78)
356 int ind = no+ 78-lefts;
359 if (re->value[ind] == ' ')
364 ind = no + 78 - lefts;
365 for (i = no; i != ind; i++)
366 putc (re->value[i], fr);
367 fprintf (fr, "\\\n");
371 fprintf (fr, "%s\n", re->value+no);