1 /* This file is part of the Zebra server.
2 Copyright (C) 1994-2009 Index Data
4 Zebra is free software; you can redistribute it and/or modify it under
5 the terms of the GNU General Public License as published by the Free
6 Software Foundation; either version 2, or (at your option) any later
9 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
10 WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
31 #include <yaz/tokenizer.h>
32 #include <yaz/yaz-util.h>
33 #include <idzebra/res.h>
40 struct res_entry *next;
45 struct res_entry *first, *last;
50 static Res res_incref(Res r)
57 static struct res_entry *add_entry(Res r)
59 struct res_entry *resp;
62 resp = r->last = r->first =
63 (struct res_entry *) xmalloc(sizeof(*resp));
66 resp = (struct res_entry *) xmalloc(sizeof(*resp));
74 static char *xstrdup_env(const char *src)
83 if (src[i] == '$' && src[i+1] == '{')
89 while (k < 127 && src[i] && !strchr(":}\n\r\f", src[i]))
90 envname[k++] = src[i++];
93 env_val = getenv(envname);
95 env_strlen += 1 + strlen(env_val);
98 while (src[i] && !strchr("}\n\r\f", src[i]))
106 dst = xmalloc(1 + env_strlen + i);
110 if (src[i] == '$' && src[i+1] == '{')
116 while(k < 127 && src[i] && !strchr(":}\n\r\f", src[i]))
117 envname[k++] = src[i++];
119 env_val = getenv(envname);
122 strcpy(dst+j, env_val);
123 j += strlen(env_val);
125 else if (src[i] == ':' && src[i+1] == '-')
128 while (src[i] && !strchr("}\n\r\f", src[i]))
131 while (src[i] && !strchr("}\n\r\f", src[i]))
143 ZEBRA_RES res_read_file(Res r, const char *fname)
150 fr = fopen(fname, "r");
153 yaz_log(YLOG_WARN|YLOG_ERRNO, "Cannot open `%s'", fname);
161 WRBUF wrbuf_val = wrbuf_alloc();
162 yaz_tok_cfg_t yt = yaz_tok_cfg_create();
164 while ((line = fgets(fr_buf, sizeof(fr_buf)-1, fr)))
166 yaz_tok_parse_t tp = yaz_tok_parse_buf(yt, line);
167 int t = yaz_tok_move(tp);
169 if (t == YAZ_TOK_STRING)
172 struct res_entry *resp;
173 const char *cp = yaz_tok_parse_string(tp);
174 const char *cp1 = strchr(cp, ':');
178 yaz_log(YLOG_FATAL, "%s:%d missing colon after '%s'",
185 resp->name = xmalloc(sz + 1);
186 memcpy(resp->name, cp, sz);
187 resp->name[sz] = '\0';
189 wrbuf_rewind(wrbuf_val);
194 wrbuf_puts(wrbuf_val, cp1+1);
199 t = yaz_tok_move(tp);
201 if (t != YAZ_TOK_STRING)
203 resp->value = xstrdup("");
204 yaz_log(YLOG_FATAL, "%s:%d missing value after '%s'",
205 fname, lineno, resp->name);
209 wrbuf_puts(wrbuf_val, yaz_tok_parse_string(tp));
211 while ((t=yaz_tok_move(tp)) == YAZ_TOK_STRING)
213 wrbuf_putc(wrbuf_val, ' ');
214 wrbuf_puts(wrbuf_val, yaz_tok_parse_string(tp));
216 resp->value = xstrdup_env(wrbuf_cstr(wrbuf_val));
217 /* printf("name=%s value=%s\n", resp->name, resp->value); */
220 yaz_tok_parse_destroy(tp);
223 yaz_tok_cfg_destroy(yt);
224 wrbuf_destroy(wrbuf_val);
231 Res res_open(Res def_res, Res over_res)
234 r = (Res) xmalloc(sizeof(*r));
237 r->first = r->last = NULL;
238 r->def_res = res_incref(def_res);
239 r->over_res = res_incref(over_res);
243 void res_clear(Res r)
245 struct res_entry *re, *re1;
246 for (re = r->first; re; re=re1)
255 r->first = r->last = NULL;
258 void res_close(Res r)
260 if (r && --(r->ref_count) == 0)
263 res_close(r->def_res);
264 res_close(r->over_res);
269 const char *res_get_prefix(Res r, const char *name, const char *prefix,
277 if (strlen(name) + strlen(prefix) >= (sizeof(rname)-2))
279 strcpy(rname, prefix);
282 v = res_get(r, rname);
285 v = res_get(r, name);
291 const char *res_get(Res r, const char *name)
293 struct res_entry *re;
299 v = res_get(r->over_res, name);
303 for (re = r->first; re; re=re->next)
304 if (re->value && !yaz_matchstr(re->name, name))
307 return res_get(r->def_res, name);
310 const char *res_get_def(Res r, const char *name, const char *def)
314 if (!(t = res_get(r, name)))
317 yaz_log(YLOG_DEBUG, "Using default resource %s:%s", name, def);
324 int res_get_match(Res r, const char *name, const char *value, const char *s)
326 const char *cn = res_get(r, name);
330 if (cn && !yaz_matchstr(cn, value))
335 const char *res_get_named(Res r, const char *resName, const char *name)
337 //This part relies on dynamic stack allocation cus I'm lazy
338 //resName.name = strlen(resName) + 1 + strlen(name) + (space for \0)
339 unsigned int resLen = strlen(resName) + strlen(name) + 2;
340 char wholeName[resLen];
341 memset(wholeName, NULL, resLen);
343 strcat(wholeName, resName);
344 strcat(wholeName, ".");
345 strcat(wholeName, name);
347 const char *nr = res_get(r, wholeName);
351 void res_set(Res r, const char *name, const char *value)
353 struct res_entry *re;
358 for (re = r->first; re; re=re->next)
359 if (re->value && !yaz_matchstr(re->name, name))
362 re->value = xstrdup_env(value);
366 re->name = xstrdup(name);
367 re->value = xstrdup_env(value);
370 int res_trav(Res r, const char *prefix, void *p,
371 void (*f)(void *p, const char *name, const char *value))
373 struct res_entry *re;
379 no = res_trav(r->over_res, prefix, p, f);
384 for (re = r->first; re; re=re->next)
386 if (l==0 || !memcmp(re->name, prefix, l))
388 (*f)(p, re->name, re->value);
392 return res_trav(r->def_res, prefix, p, f);
397 ZEBRA_RES res_write_file(Res r, const char *fname)
399 struct res_entry *re;
403 fr = fopen(fname, "w");
406 yaz_log(YLOG_FATAL|YLOG_ERRNO, "Cannot create `%s'", fname);
410 for (re = r->first; re; re=re->next)
413 int lefts = strlen(re->name)+2;
416 fprintf(fr, "%s\n", re->name);
419 fprintf(fr, "%s: ", re->name);
420 while (lefts + strlen(re->value+no) > 78)
423 int ind = no+ 78-lefts;
426 if (re->value[ind] == ' ')
431 ind = no + 78 - lefts;
432 for (i = no; i != ind; i++)
433 putc(re->value[i], fr);
438 fprintf(fr, "%s\n", re->value+no);
445 ZEBRA_RES res_get_int(Res r, const char *name, int *val)
447 const char *cp = res_get(r, name);
450 if (sscanf(cp, "%d", val) == 1)
452 yaz_log(YLOG_WARN, "Expected integer for resource %s", name);
458 void res_add(Res r, const char *name, const char *value)
460 struct res_entry *re;
464 yaz_log(YLOG_RES, "res_add res=%p, name=%s, value=%s", r, name, value);
466 re->name = xstrdup(name);
467 re->value = xstrdup_env(value);
470 void res_dump(Res r, int level)
472 struct res_entry *re;
477 for (re = r->first; re; re=re->next) {
478 printf("%*s - %s:='%s'\n",level * 4,"",re->name,re->value);
482 printf("%*s DEF ",level * 4,"");
483 res_dump(r->def_res, level + 1);
487 printf("%*s OVER ",level * 4,"");
488 res_dump(r->over_res, level + 1);
492 int res_check(Res r_i, Res r_v)
494 struct res_entry *e_i;
497 for (e_i = r_i->first; e_i; e_i = e_i->next)
499 struct res_entry *e_v;
500 for (e_v = r_v->first; e_v; e_v = e_v->next)
502 int prefix_allowed = 0;
503 int suffix_allowed = 0;
504 const char *name = e_i->name;
505 size_t name_len = strlen(e_i->name);
507 const char *first_dot = 0;
508 const char *second_dot = 0;
510 if (strchr(e_v->value, 'p'))
512 if (strchr(e_v->value, 's'))
515 first_dot = strchr(name, '.');
516 if (prefix_allowed && first_dot)
519 name_len = strlen(name);
521 second_dot = strchr(name, '.');
522 if (suffix_allowed && second_dot)
524 name_len = second_dot - name;
526 if (name_len < sizeof(namez)-1)
528 memcpy(namez, name, name_len);
529 namez[name_len] = '\0';
530 if (!yaz_matchstr(namez, e_v->name))
533 /* for case 'a.b' we have to check 'a' as well */
534 if (prefix_allowed && suffix_allowed && first_dot && !second_dot)
537 name_len = first_dot - name;
538 if (name_len < sizeof(namez)-1)
540 memcpy(namez, name, name_len);
541 namez[name_len] = '\0';
542 if (!yaz_matchstr(namez, e_v->name))
549 yaz_log(YLOG_WARN, "The following setting is unrecognized: %s",
560 * c-file-style: "Stroustrup"
561 * indent-tabs-mode: nil
563 * vim: shiftwidth=4 tabstop=8 expandtab