2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.14 1996-04-26 11:51:20 adam
8 * Resource names are matched by the yaz_matchstr routine instead of strcmp.
10 * Revision 1.13 1995/09/04 12:34:05 adam
11 * Various cleanup. YAZ util used instead.
13 * Revision 1.12 1995/01/24 16:40:32 adam
16 * Revision 1.11 1994/10/05 16:54:52 adam
19 * Revision 1.10 1994/10/05 10:47:31 adam
22 * Revision 1.9 1994/09/16 14:41:12 quinn
23 * Added log warning to res_get_def
25 * Revision 1.8 1994/09/16 14:37:12 quinn
28 * Revision 1.7 1994/09/06 13:01:03 quinn
29 * Removed const from declaration of res_get
31 * Revision 1.6 1994/09/01 17:45:14 adam
32 * Work on resource manager.
34 * Revision 1.5 1994/08/18 11:02:28 adam
35 * Implementation of res_write.
37 * Revision 1.4 1994/08/18 10:02:01 adam
38 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
40 * Revision 1.3 1994/08/18 09:43:51 adam
41 * Development of resource manager. Only missing is res_write.
43 * Revision 1.2 1994/08/18 08:23:26 adam
44 * Res.c now use handles. xmalloc defines xstrdup.
46 * Revision 1.1 1994/08/17 15:34:23 adam
47 * Initial version of resource manager.
58 static struct res_entry *add_entry (Res r)
60 struct res_entry *resp;
63 resp = r->last = r->first = xmalloc (sizeof(*resp));
66 resp = xmalloc (sizeof(*resp));
74 static void reread (Res r)
76 struct res_entry *resp;
79 int val_size, val_max = 256;
87 val_buf = xmalloc (val_max);
89 strcpy (path, alex_path(r->name));
91 fr = fopen (path, "r");
94 logf (LOG_FATAL|LOG_ERRNO, "Cannot open %s", path);
99 line = fgets (fr_buf, 1023, fr);
106 while (fr_buf[no] && fr_buf[no] != '\n')
110 resp = add_entry (r);
111 resp->name = xmalloc (no+1);
113 strcpy (resp->name, fr_buf);
120 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
125 if (fr_buf[no] == ':')
132 resp = add_entry (r);
133 resp->name = xmalloc (no);
134 strcpy (resp->name, fr_buf);
136 while (fr_buf[no] == ' ')
141 if (fr_buf[no] == '\0' || fr_buf[no] == '\n')
143 val_buf[val_size++] = '\0';
144 resp->value = xmalloc (val_size);
145 strcpy (resp->value, val_buf);
146 logf (LOG_DEBUG, "(name=%s,value=%s)",
147 resp->name, resp->value);
150 else if (fr_buf[no] == '\\' && fr_buf[no+1] == '\n')
152 line = fgets (fr_buf, 1023, fr);
155 resp->value = xmalloc (val_size);
156 strcpy (resp->value, val_buf);
163 val_buf[val_size++] = fr_buf[no++];
164 if (val_size+1 >= val_max)
168 nb = xmalloc (val_max+=1024);
169 memcpy (nb, val_buf, val_size);
181 Res res_open (const char *name)
184 if (access (name, R_OK))
185 logf (LOG_LOG|LOG_ERRNO, "Cannot access `%s'", name);
186 r = xmalloc (sizeof(*r));
188 r->first = r->last = NULL;
189 r->name = xstrdup (name);
193 void res_close (Res r)
198 struct res_entry *re, *re1;
199 for (re = r->first; re; re=re1)
212 char *res_get (Res r, const char *name)
214 struct res_entry *re;
219 for (re = r->first; re; re=re->next)
220 if (re->value && !yaz_matchstr (re->name, name))
225 char *res_get_def (Res r, const char *name, char *def)
229 if (!(t = res_get (r, name)))
231 logf (LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
238 void res_put (Res r, const char *name, const char *value)
240 struct res_entry *re;
245 for (re = r->first; re; re=re->next)
246 if (re->value && !yaz_matchstr (re->name, name))
249 re->value = xstrdup (value);
253 re->name = xstrdup (name);
254 re->value = xstrdup (value);
257 void res_trav (Res r, const char *prefix,
258 void (*f)(const char *name, const char *value))
260 struct res_entry *re;
268 for (re = r->first; re; re=re->next)
270 if (l==0 || !memcmp (re->name, prefix, l))
271 (*f)(re->name, re->value);
275 int res_write (Res r)
277 struct res_entry *re;
284 strcpy (path, alex_path(r->name));
286 fr = fopen (path, "w");
289 logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", path);
293 for (re = r->first; re; re=re->next)
296 int lefts = strlen(re->name)+2;
299 fprintf (fr, "%s\n", re->name);
302 fprintf (fr, "%s: ", re->name);
303 while (lefts + strlen(re->value+no) > 78)
306 int ind = no+ 78-lefts;
309 if (re->value[ind] == ' ')
314 ind = no + 78 - lefts;
315 for (i = no; i != ind; i++)
316 putc (re->value[i], fr);
317 fprintf (fr, "\\\n");
321 fprintf (fr, "%s\n", re->value+no);