2 * Copyright (C) 1994-1998, Index Data ApS
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.23 1998-10-28 15:18:55 adam
8 * Fix for DOS-formatted configuration files.
10 * Revision 1.22 1998/01/12 15:04:32 adam
11 * Removed exit - call.
13 * Revision 1.21 1997/11/18 10:04:03 adam
14 * Function res_trav returns number of 'hits'.
16 * Revision 1.20 1997/10/31 12:39:15 adam
17 * Resouce name can be terminated with either white-space or colon.
19 * Revision 1.19 1997/10/27 14:27:59 adam
22 * Revision 1.18 1997/09/17 12:19:24 adam
23 * Zebra version corresponds to YAZ version 1.4.
24 * Changed Zebra server so that it doesn't depend on global common_resource.
26 * Revision 1.17 1997/09/09 13:38:19 adam
27 * Partial port to WIN95/NT.
29 * Revision 1.16 1996/10/29 13:47:49 adam
30 * Implemented res_get_match. Updated to use zebrautl instead of alexpath.
32 * Revision 1.15 1996/05/22 08:23:43 adam
33 * Bug fix: trailing blanks in resource values where not removed.
35 * Revision 1.14 1996/04/26 11:51:20 adam
36 * Resource names are matched by the yaz_matchstr routine instead of strcmp.
38 * Revision 1.13 1995/09/04 12:34:05 adam
39 * Various cleanup. YAZ util used instead.
41 * Revision 1.12 1995/01/24 16:40:32 adam
44 * Revision 1.11 1994/10/05 16:54:52 adam
47 * Revision 1.10 1994/10/05 10:47:31 adam
50 * Revision 1.9 1994/09/16 14:41:12 quinn
51 * Added log warning to res_get_def
53 * Revision 1.8 1994/09/16 14:37:12 quinn
56 * Revision 1.7 1994/09/06 13:01:03 quinn
57 * Removed const from declaration of res_get
59 * Revision 1.6 1994/09/01 17:45:14 adam
60 * Work on resource manager.
62 * Revision 1.5 1994/08/18 11:02:28 adam
63 * Implementation of res_write.
65 * Revision 1.4 1994/08/18 10:02:01 adam
66 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
68 * Revision 1.3 1994/08/18 09:43:51 adam
69 * Development of resource manager. Only missing is res_write.
71 * Revision 1.2 1994/08/18 08:23:26 adam
72 * Res.c now use handles. xmalloc defines xstrdup.
74 * Revision 1.1 1994/08/17 15:34:23 adam
75 * Initial version of resource manager.
91 static struct res_entry *add_entry (Res r)
93 struct res_entry *resp;
96 resp = r->last = r->first = xmalloc (sizeof(*resp));
99 resp = xmalloc (sizeof(*resp));
100 r->last->next = resp;
107 static void reread (Res r)
109 struct res_entry *resp;
112 int val_size, val_max = 256;
119 val_buf = xmalloc (val_max);
121 fr = fopen (r->name, "r");
124 logf (LOG_WARN|LOG_ERRNO, "Cannot open %s", r->name);
129 line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
136 while (fr_buf[no] && fr_buf[no] != '\n')
140 resp = add_entry (r);
141 resp->name = xmalloc (no+1);
143 strcpy (resp->name, fr_buf);
150 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
155 if (strchr (": \t", fr_buf[no]))
162 resp = add_entry (r);
163 resp->name = xmalloc (no);
164 strcpy (resp->name, fr_buf);
166 while (strchr (" \t", fr_buf[no]))
171 if (fr_buf[no] == '\0' || strchr("\n\r\f", fr_buf[no]))
173 while (val_size > 0 &&
174 (val_buf[val_size-1] == ' ' ||
175 val_buf[val_size-1] == '\t'))
177 val_buf[val_size++] = '\0';
178 resp->value = xmalloc (val_size);
179 strcpy (resp->value, val_buf);
180 logf (LOG_DEBUG, "(name=%s,value=%s)",
181 resp->name, resp->value);
184 else if (fr_buf[no] == '\\' && strchr ("\n\r\f", fr_buf[no+1]))
186 line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
189 resp->value = xmalloc (val_size);
190 strcpy (resp->value, val_buf);
197 val_buf[val_size++] = fr_buf[no++];
198 if (val_size+1 >= val_max)
202 nb = xmalloc (val_max+=1024);
203 memcpy (nb, val_buf, val_size);
215 Res res_open (const char *name)
219 if (access (name, 4))
221 if (access (name, R_OK))
224 logf (LOG_LOG|LOG_ERRNO, "Cannot access resource file `%s'", name);
227 r = xmalloc (sizeof(*r));
229 r->first = r->last = NULL;
230 r->name = xstrdup (name);
234 void res_close (Res r)
239 struct res_entry *re, *re1;
240 for (re = r->first; re; re=re1)
254 char *res_get (Res r, const char *name)
256 struct res_entry *re;
261 for (re = r->first; re; re=re->next)
262 if (re->value && !yaz_matchstr (re->name, name))
267 char *res_get_def (Res r, const char *name, char *def)
271 if (!(t = res_get (r, name)))
273 logf (LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
280 int res_get_match (Res r, const char *name, const char *value, const char *s)
282 const char *cn = res_get (r, name);
284 if (cn && !yaz_matchstr (cn, value))
289 void res_put (Res r, const char *name, const char *value)
291 struct res_entry *re;
296 for (re = r->first; re; re=re->next)
297 if (re->value && !yaz_matchstr (re->name, name))
300 re->value = xstrdup (value);
304 re->name = xstrdup (name);
305 re->value = xstrdup (value);
308 int res_trav (Res r, const char *prefix, void *p,
309 void (*f)(void *p, const char *name, const char *value))
311 struct res_entry *re;
320 for (re = r->first; re; re=re->next)
322 if (l==0 || !memcmp (re->name, prefix, l))
324 (*f)(p, re->name, re->value);
331 int res_write (Res r)
333 struct res_entry *re;
339 fr = fopen (r->name, "w");
342 logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", r->name);
346 for (re = r->first; re; re=re->next)
349 int lefts = strlen(re->name)+2;
352 fprintf (fr, "%s\n", re->name);
355 fprintf (fr, "%s: ", re->name);
356 while (lefts + strlen(re->value+no) > 78)
359 int ind = no+ 78-lefts;
362 if (re->value[ind] == ' ')
367 ind = no + 78 - lefts;
368 for (i = no; i != ind; i++)
369 putc (re->value[i], fr);
370 fprintf (fr, "\\\n");
374 fprintf (fr, "%s\n", re->value+no);