2 * Copyright (C) 1994-1999, Index Data
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.27 1999-11-30 13:48:04 adam
8 * Improved installation. Updated for inclusion of YAZ header files.
10 * Revision 1.26 1999/10/07 09:48:36 adam
11 * Allow res_get / res_get_def with NULL res.
13 * Revision 1.25 1999/05/26 07:49:14 adam
16 * Revision 1.24 1999/02/02 14:51:42 adam
17 * Updated WIN32 code specific sections. Changed header.
19 * Revision 1.23 1998/10/28 15:18:55 adam
20 * Fix for DOS-formatted configuration files.
22 * Revision 1.22 1998/01/12 15:04:32 adam
23 * Removed exit - call.
25 * Revision 1.21 1997/11/18 10:04:03 adam
26 * Function res_trav returns number of 'hits'.
28 * Revision 1.20 1997/10/31 12:39:15 adam
29 * Resouce name can be terminated with either white-space or colon.
31 * Revision 1.19 1997/10/27 14:27:59 adam
34 * Revision 1.18 1997/09/17 12:19:24 adam
35 * Zebra version corresponds to YAZ version 1.4.
36 * Changed Zebra server so that it doesn't depend on global common_resource.
38 * Revision 1.17 1997/09/09 13:38:19 adam
39 * Partial port to WIN95/NT.
41 * Revision 1.16 1996/10/29 13:47:49 adam
42 * Implemented res_get_match. Updated to use zebrautl instead of alexpath.
44 * Revision 1.15 1996/05/22 08:23:43 adam
45 * Bug fix: trailing blanks in resource values where not removed.
47 * Revision 1.14 1996/04/26 11:51:20 adam
48 * Resource names are matched by the yaz_matchstr routine instead of strcmp.
50 * Revision 1.13 1995/09/04 12:34:05 adam
51 * Various cleanup. YAZ util used instead.
53 * Revision 1.12 1995/01/24 16:40:32 adam
56 * Revision 1.11 1994/10/05 16:54:52 adam
59 * Revision 1.10 1994/10/05 10:47:31 adam
62 * Revision 1.9 1994/09/16 14:41:12 quinn
63 * Added log warning to res_get_def
65 * Revision 1.8 1994/09/16 14:37:12 quinn
68 * Revision 1.7 1994/09/06 13:01:03 quinn
69 * Removed const from declaration of res_get
71 * Revision 1.6 1994/09/01 17:45:14 adam
72 * Work on resource manager.
74 * Revision 1.5 1994/08/18 11:02:28 adam
75 * Implementation of res_write.
77 * Revision 1.4 1994/08/18 10:02:01 adam
78 * Module alexpath moved from res.c to alexpath.c. Minor changes in res-test.c
80 * Revision 1.3 1994/08/18 09:43:51 adam
81 * Development of resource manager. Only missing is res_write.
83 * Revision 1.2 1994/08/18 08:23:26 adam
84 * Res.c now use handles. xmalloc defines xstrdup.
86 * Revision 1.1 1994/08/17 15:34:23 adam
87 * Initial version of resource manager.
100 #include <zebrautl.h>
101 #include <yaz/yaz-util.h>
103 static struct res_entry *add_entry (Res r)
105 struct res_entry *resp;
108 resp = r->last = r->first =
109 (struct res_entry *) xmalloc (sizeof(*resp));
112 resp = (struct res_entry *) xmalloc (sizeof(*resp));
113 r->last->next = resp;
120 static void reread (Res r)
122 struct res_entry *resp;
125 int val_size, val_max = 256;
132 val_buf = (char*) xmalloc (val_max);
134 fr = fopen (r->name, "r");
137 logf (LOG_WARN|LOG_ERRNO, "Cannot open %s", r->name);
142 line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
149 while (fr_buf[no] && fr_buf[no] != '\n')
153 resp = add_entry (r);
154 resp->name = (char*) xmalloc (no+1);
156 strcpy (resp->name, fr_buf);
163 if (fr_buf[no] == 0 || fr_buf[no] == '\n' )
168 if (strchr (": \t", fr_buf[no]))
175 resp = add_entry (r);
176 resp->name = (char*) xmalloc (no);
177 strcpy (resp->name, fr_buf);
179 while (strchr (" \t", fr_buf[no]))
184 if (fr_buf[no] == '\0' || strchr("\n\r\f", fr_buf[no]))
186 while (val_size > 0 &&
187 (val_buf[val_size-1] == ' ' ||
188 val_buf[val_size-1] == '\t'))
190 val_buf[val_size++] = '\0';
191 resp->value = (char*) xmalloc (val_size);
192 strcpy (resp->value, val_buf);
193 logf (LOG_DEBUG, "(name=%s,value=%s)",
194 resp->name, resp->value);
197 else if (fr_buf[no] == '\\' && strchr ("\n\r\f", fr_buf[no+1]))
199 line = fgets (fr_buf, sizeof(fr_buf)-1, fr);
202 resp->value = (char*) xmalloc (val_size);
203 strcpy (resp->value, val_buf);
210 val_buf[val_size++] = fr_buf[no++];
211 if (val_size+1 >= val_max)
215 nb = (char*) xmalloc (val_max+=1024);
216 memcpy (nb, val_buf, val_size);
228 Res res_open (const char *name)
232 if (access (name, 4))
234 if (access (name, R_OK))
237 logf (LOG_LOG|LOG_ERRNO, "Cannot access resource file `%s'", name);
240 r = (Res) xmalloc (sizeof(*r));
242 r->first = r->last = NULL;
243 r->name = xstrdup (name);
247 void res_close (Res r)
252 struct res_entry *re, *re1;
253 for (re = r->first; re; re=re1)
267 char *res_get (Res r, const char *name)
269 struct res_entry *re;
275 for (re = r->first; re; re=re->next)
276 if (re->value && !yaz_matchstr (re->name, name))
281 char *res_get_def (Res r, const char *name, char *def)
285 if (!(t = res_get (r, name)))
287 logf (LOG_DEBUG, "CAUTION: Using default resource %s:%s", name, def);
294 int res_get_match (Res r, const char *name, const char *value, const char *s)
296 const char *cn = res_get (r, name);
300 if (cn && !yaz_matchstr (cn, value))
305 void res_put (Res r, const char *name, const char *value)
307 struct res_entry *re;
312 for (re = r->first; re; re=re->next)
313 if (re->value && !yaz_matchstr (re->name, name))
316 re->value = xstrdup (value);
320 re->name = xstrdup (name);
321 re->value = xstrdup (value);
324 int res_trav (Res r, const char *prefix, void *p,
325 void (*f)(void *p, const char *name, const char *value))
327 struct res_entry *re;
336 for (re = r->first; re; re=re->next)
338 if (l==0 || !memcmp (re->name, prefix, l))
340 (*f)(p, re->name, re->value);
347 int res_write (Res r)
349 struct res_entry *re;
355 fr = fopen (r->name, "w");
358 logf (LOG_FATAL|LOG_ERRNO, "Cannot create %s", r->name);
362 for (re = r->first; re; re=re->next)
365 int lefts = strlen(re->name)+2;
368 fprintf (fr, "%s\n", re->name);
371 fprintf (fr, "%s: ", re->name);
372 while (lefts + strlen(re->value+no) > 78)
375 int ind = no+ 78-lefts;
378 if (re->value[ind] == ' ')
383 ind = no + 78 - lefts;
384 for (i = no; i != ind; i++)
385 putc (re->value[i], fr);
386 fprintf (fr, "\\\n");
390 fprintf (fr, "%s\n", re->value+no);