2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.20 1997-10-31 12:39:15 adam
8 * Resouce name can be terminated with either white-space or colon.
10 * Revision 1.19 1997/10/27 14:27:59 adam
13 * Revision 1.18 1997/09/17 12:19:24 adam
14 * Zebra version corresponds to YAZ version 1.4.
15 * Changed Zebra server so that it doesn't depend on global common_resource.
17 * Revision 1.17 1997/09/09 13:38:19 adam
18 * Partial port to WIN95/NT.
20 * Revision 1.16 1996/10/29 13:47:49 adam
21 * Implemented res_get_match. Updated to use zebrautl instead of alexpath.
23 * Revision 1.15 1996/05/22 08:23:43 adam
24 * Bug fix: trailing blanks in resource values where not removed.
26 * Revision 1.14 1996/04/26 11:51:20 adam
27 * Resource names are matched by the yaz_matchstr routine instead of strcmp.
29 * Revision 1.13 1995/09/04 12:34:05 adam
30 * Various cleanup. YAZ util used instead.
32 * Revision 1.12 1995/01/24 16:40:32 adam
35 * Revision 1.11 1994/10/05 16:54:52 adam
38 * Revision 1.10 1994/10/05 10:47:31 adam
41 * Revision 1.9 1994/09/16 14:41:12 quinn
42 * Added log warning to res_get_def
44 * Revision 1.8 1994/09/16 14:37:12 quinn
47 * Revision 1.7 1994/09/06 13:01:03 quinn
48 * Removed const from declaration of res_get
50 * Revision 1.6 1994/09/01 17:45:14 adam
51 * Work on resource manager.
53 * Revision 1.5 1994/08/18 11:02:28 adam
54 * Implementation of res_write.
56 * Revision 1.4 1994/08/18 10:02:01 adam
57 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
59 * Revision 1.3 1994/08/18 09:43:51 adam
60 * Development of resource manager. Only missing is res_write.
62 * Revision 1.2 1994/08/18 08:23:26 adam
63 * Res.c now use handles. xmalloc defines xstrdup.
65 * Revision 1.1 1994/08/17 15:34:23 adam
66 * Initial version of resource manager.
82 static struct res_entry *add_entry (Res r)
84 struct res_entry *resp;
87 resp = r->last = r->first = xmalloc (sizeof(*resp));
90 resp = xmalloc (sizeof(*resp));
98 static void reread (Res r)
100 struct res_entry *resp;
103 int val_size, val_max = 256;
110 val_buf = xmalloc (val_max);
112 fr = fopen (r->name, "r");
115 logf (LOG_FATAL|LOG_ERRNO, "Cannot open %s", r->name);
120 line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
127 while (fr_buf[no] && fr_buf[no] != '\n')
131 resp = add_entry (r);
132 resp->name = xmalloc (no+1);
134 strcpy (resp->name, fr_buf);
141 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
146 if (strchr (": \t", fr_buf[no]))
153 resp = add_entry (r);
154 resp->name = xmalloc (no);
155 strcpy (resp->name, fr_buf);
157 while (strchr (" \t", fr_buf[no]))
162 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
164 while (val_size > 0 &&
165 (val_buf[val_size-1] == ' ' ||
166 val_buf[val_size-1] == '\t'))
168 val_buf[val_size++] = '\0';
169 resp->value = xmalloc (val_size);
170 strcpy (resp->value, val_buf);
171 logf (LOG_DEBUG, "(name=%s,value=%s)",
172 resp->name, resp->value);
175 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
177 line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
180 resp->value = xmalloc (val_size);
181 strcpy (resp->value, val_buf);
188 val_buf[val_size++] = fr_buf[no++];
189 if (val_size+1 >= val_max)
193 nb = xmalloc (val_max+=1024);
194 memcpy (nb, val_buf, val_size);
206 Res res_open (const char *name)
210 if (access (name, 4))
212 if (access (name, R_OK))
214 logf (LOG_LOG|LOG_ERRNO, "Cannot access `%s'", name);
215 r = xmalloc (sizeof(*r));
217 r->first = r->last = NULL;
218 r->name = xstrdup (name);
222 void res_close (Res r)
227 struct res_entry *re, *re1;
228 for (re = r->first; re; re=re1)
242 char *res_get (Res r, const char *name)
244 struct res_entry *re;
249 for (re = r->first; re; re=re->next)
250 if (re->value && !yaz_matchstr (re->name, name))
255 char *res_get_def (Res r, const char *name, char *def)
259 if (!(t = res_get (r, name)))
261 logf (LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
268 int res_get_match (Res r, const char *name, const char *value, const char *s)
270 const char *cn = res_get (r, name);
272 if (cn && !yaz_matchstr (cn, value))
277 void res_put (Res r, const char *name, const char *value)
279 struct res_entry *re;
284 for (re = r->first; re; re=re->next)
285 if (re->value && !yaz_matchstr (re->name, name))
288 re->value = xstrdup (value);
292 re->name = xstrdup (name);
293 re->value = xstrdup (value);
296 void res_trav (Res r, const char *prefix, void *p,
297 void (*f)(void *p, const char *name, const char *value))
299 struct res_entry *re;
307 for (re = r->first; re; re=re->next)
309 if (l==0 || !memcmp (re->name, prefix, l))
310 (*f)(p, re->name, re->value);
314 int res_write (Res r)
316 struct res_entry *re;
322 fr = fopen (r->name, "w");
325 logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", r->name);
329 for (re = r->first; re; re=re->next)
332 int lefts = strlen(re->name)+2;
335 fprintf (fr, "%s\n", re->name);
338 fprintf (fr, "%s: ", re->name);
339 while (lefts + strlen(re->value+no) > 78)
342 int ind = no+ 78-lefts;
345 if (re->value[ind] == ' ')
350 ind = no + 78 - lefts;
351 for (i = no; i != ind; i++)
352 putc (re->value[i], fr);
353 fprintf (fr, "\\\n");
357 fprintf (fr, "%s\n", re->value+no);