2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.16 1996-10-29 13:47:49 adam
8 * Implemented res_get_match. Updated to use zebrautl instead of alexpath.
10 * Revision 1.15 1996/05/22 08:23:43 adam
11 * Bug fix: trailing blanks in resource values where not removed.
13 * Revision 1.14 1996/04/26 11:51:20 adam
14 * Resource names are matched by the yaz_matchstr routine instead of strcmp.
16 * Revision 1.13 1995/09/04 12:34:05 adam
17 * Various cleanup. YAZ util used instead.
19 * Revision 1.12 1995/01/24 16:40:32 adam
22 * Revision 1.11 1994/10/05 16:54:52 adam
25 * Revision 1.10 1994/10/05 10:47:31 adam
28 * Revision 1.9 1994/09/16 14:41:12 quinn
29 * Added log warning to res_get_def
31 * Revision 1.8 1994/09/16 14:37:12 quinn
34 * Revision 1.7 1994/09/06 13:01:03 quinn
35 * Removed const from declaration of res_get
37 * Revision 1.6 1994/09/01 17:45:14 adam
38 * Work on resource manager.
40 * Revision 1.5 1994/08/18 11:02:28 adam
41 * Implementation of res_write.
43 * Revision 1.4 1994/08/18 10:02:01 adam
44 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
46 * Revision 1.3 1994/08/18 09:43:51 adam
47 * Development of resource manager. Only missing is res_write.
49 * Revision 1.2 1994/08/18 08:23:26 adam
50 * Res.c now use handles. xmalloc defines xstrdup.
52 * Revision 1.1 1994/08/17 15:34:23 adam
53 * Initial version of resource manager.
65 static struct res_entry *add_entry (Res r)
67 struct res_entry *resp;
70 resp = r->last = r->first = xmalloc (sizeof(*resp));
73 resp = xmalloc (sizeof(*resp));
81 static void reread (Res r)
83 struct res_entry *resp;
86 int val_size, val_max = 256;
93 val_buf = xmalloc (val_max);
95 fr = fopen (r->name, "r");
98 logf (LOG_FATAL|LOG_ERRNO, "Cannot open %s", r->name);
103 line = fgets (fr_buf, 1023, fr);
110 while (fr_buf[no] && fr_buf[no] != '\n')
114 resp = add_entry (r);
115 resp->name = xmalloc (no+1);
117 strcpy (resp->name, fr_buf);
124 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
129 if (fr_buf[no] == ':')
136 resp = add_entry (r);
137 resp->name = xmalloc (no);
138 strcpy (resp->name, fr_buf);
140 while (fr_buf[no] == ' ')
145 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
147 while (val_size > 0 &&
148 (val_buf[val_size-1] == ' ' ||
149 val_buf[val_size-1] == '\t'))
151 val_buf[val_size++] = '\0';
152 resp->value = xmalloc (val_size);
153 strcpy (resp->value, val_buf);
154 logf (LOG_DEBUG, "(name=%s,value=%s)",
155 resp->name, resp->value);
158 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
160 line = fgets (fr_buf, 1023, fr);
163 resp->value = xmalloc (val_size);
164 strcpy (resp->value, val_buf);
171 val_buf[val_size++] = fr_buf[no++];
172 if (val_size+1 >= val_max)
176 nb = xmalloc (val_max+=1024);
177 memcpy (nb, val_buf, val_size);
189 Res res_open (const char *name)
192 if (access (name, R_OK))
193 logf (LOG_LOG|LOG_ERRNO, "Cannot access `%s'", name);
194 r = xmalloc (sizeof(*r));
196 r->first = r->last = NULL;
197 r->name = xstrdup (name);
201 void res_close (Res r)
206 struct res_entry *re, *re1;
207 for (re = r->first; re; re=re1)
220 char *res_get (Res r, const char *name)
222 struct res_entry *re;
227 for (re = r->first; re; re=re->next)
228 if (re->value && !yaz_matchstr (re->name, name))
233 char *res_get_def (Res r, const char *name, char *def)
237 if (!(t = res_get (r, name)))
239 logf (LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
246 int res_get_match (Res r, const char *name, const char *value, const char *s)
248 const char *cn = res_get (r, name);
250 if (cn && !yaz_matchstr (cn, value))
255 void res_put (Res r, const char *name, const char *value)
257 struct res_entry *re;
262 for (re = r->first; re; re=re->next)
263 if (re->value && !yaz_matchstr (re->name, name))
266 re->value = xstrdup (value);
270 re->name = xstrdup (name);
271 re->value = xstrdup (value);
274 void res_trav (Res r, const char *prefix,
275 void (*f)(const char *name, const char *value))
277 struct res_entry *re;
285 for (re = r->first; re; re=re->next)
287 if (l==0 || !memcmp (re->name, prefix, l))
288 (*f)(re->name, re->value);
292 int res_write (Res r)
294 struct res_entry *re;
300 fr = fopen (r->name, "w");
303 logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", r->name);
307 for (re = r->first; re; re=re->next)
310 int lefts = strlen(re->name)+2;
313 fprintf (fr, "%s\n", re->name);
316 fprintf (fr, "%s: ", re->name);
317 while (lefts + strlen(re->value+no) > 78)
320 int ind = no+ 78-lefts;
323 if (re->value[ind] == ' ')
328 ind = no + 78 - lefts;
329 for (i = no; i != ind; i++)
330 putc (re->value[i], fr);
331 fprintf (fr, "\\\n");
335 fprintf (fr, "%s\n", re->value+no);