2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.15 1996-05-22 08:23:43 adam
8 * Bug fix: trailing blanks in resource values where not removed.
10 * Revision 1.14 1996/04/26 11:51:20 adam
11 * Resource names are matched by the yaz_matchstr routine instead of strcmp.
13 * Revision 1.13 1995/09/04 12:34:05 adam
14 * Various cleanup. YAZ util used instead.
16 * Revision 1.12 1995/01/24 16:40:32 adam
19 * Revision 1.11 1994/10/05 16:54:52 adam
22 * Revision 1.10 1994/10/05 10:47:31 adam
25 * Revision 1.9 1994/09/16 14:41:12 quinn
26 * Added log warning to res_get_def
28 * Revision 1.8 1994/09/16 14:37:12 quinn
31 * Revision 1.7 1994/09/06 13:01:03 quinn
32 * Removed const from declaration of res_get
34 * Revision 1.6 1994/09/01 17:45:14 adam
35 * Work on resource manager.
37 * Revision 1.5 1994/08/18 11:02:28 adam
38 * Implementation of res_write.
40 * Revision 1.4 1994/08/18 10:02:01 adam
41 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
43 * Revision 1.3 1994/08/18 09:43:51 adam
44 * Development of resource manager. Only missing is res_write.
46 * Revision 1.2 1994/08/18 08:23:26 adam
47 * Res.c now use handles. xmalloc defines xstrdup.
49 * Revision 1.1 1994/08/17 15:34:23 adam
50 * Initial version of resource manager.
61 static struct res_entry *add_entry (Res r)
63 struct res_entry *resp;
66 resp = r->last = r->first = xmalloc (sizeof(*resp));
69 resp = xmalloc (sizeof(*resp));
77 static void reread (Res r)
79 struct res_entry *resp;
82 int val_size, val_max = 256;
90 val_buf = xmalloc (val_max);
92 strcpy (path, alex_path(r->name));
94 fr = fopen (path, "r");
97 logf (LOG_FATAL|LOG_ERRNO, "Cannot open %s", path);
102 line = fgets (fr_buf, 1023, fr);
109 while (fr_buf[no] && fr_buf[no] != '\n')
113 resp = add_entry (r);
114 resp->name = xmalloc (no+1);
116 strcpy (resp->name, fr_buf);
123 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
128 if (fr_buf[no] == ':')
135 resp = add_entry (r);
136 resp->name = xmalloc (no);
137 strcpy (resp->name, fr_buf);
139 while (fr_buf[no] == ' ')
144 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
146 while (val_size > 0 &&
147 (val_buf[val_size-1] == ' ' ||
148 val_buf[val_size-1] == '\t'))
150 val_buf[val_size++] = '\0';
151 resp->value = xmalloc (val_size);
152 strcpy (resp->value, val_buf);
153 logf (LOG_DEBUG, "(name=%s,value=%s)",
154 resp->name, resp->value);
157 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
159 line = fgets (fr_buf, 1023, fr);
162 resp->value = xmalloc (val_size);
163 strcpy (resp->value, val_buf);
170 val_buf[val_size++] = fr_buf[no++];
171 if (val_size+1 >= val_max)
175 nb = xmalloc (val_max+=1024);
176 memcpy (nb, val_buf, val_size);
188 Res res_open (const char *name)
191 if (access (name, R_OK))
192 logf (LOG_LOG|LOG_ERRNO, "Cannot access `%s'", name);
193 r = xmalloc (sizeof(*r));
195 r->first = r->last = NULL;
196 r->name = xstrdup (name);
200 void res_close (Res r)
205 struct res_entry *re, *re1;
206 for (re = r->first; re; re=re1)
219 char *res_get (Res r, const char *name)
221 struct res_entry *re;
226 for (re = r->first; re; re=re->next)
227 if (re->value && !yaz_matchstr (re->name, name))
232 char *res_get_def (Res r, const char *name, char *def)
236 if (!(t = res_get (r, name)))
238 logf (LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
245 void res_put (Res r, const char *name, const char *value)
247 struct res_entry *re;
252 for (re = r->first; re; re=re->next)
253 if (re->value && !yaz_matchstr (re->name, name))
256 re->value = xstrdup (value);
260 re->name = xstrdup (name);
261 re->value = xstrdup (value);
264 void res_trav (Res r, const char *prefix,
265 void (*f)(const char *name, const char *value))
267 struct res_entry *re;
275 for (re = r->first; re; re=re->next)
277 if (l==0 || !memcmp (re->name, prefix, l))
278 (*f)(re->name, re->value);
282 int res_write (Res r)
284 struct res_entry *re;
291 strcpy (path, alex_path(r->name));
293 fr = fopen (path, "w");
296 logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", path);
300 for (re = r->first; re; re=re->next)
303 int lefts = strlen(re->name)+2;
306 fprintf (fr, "%s\n", re->name);
309 fprintf (fr, "%s: ", re->name);
310 while (lefts + strlen(re->value+no) > 78)
313 int ind = no+ 78-lefts;
316 if (re->value[ind] == ' ')
321 ind = no + 78 - lefts;
322 for (i = no; i != ind; i++)
323 putc (re->value[i], fr);
324 fprintf (fr, "\\\n");
328 fprintf (fr, "%s\n", re->value+no);