1 /* $Id: d1_absyn.c,v 1.34 2007-01-22 18:15:02 adam Exp $
2 Copyright (C) 1995-2007
5 This file is part of the Zebra server.
7 Zebra is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
30 #include <idzebra/data1.h>
31 #include <idzebra/recctrl.h>
32 #include <zebra_xpath.h>
35 #define D1_MAX_NESTING 128
37 struct data1_hash_table {
40 struct data1_hash_entry **ar;
43 struct data1_hash_entry {
46 struct data1_hash_entry *next;
49 unsigned data1_hash_calc(struct data1_hash_table *ht, const char *str)
55 if (*str >= 'a' && *str <= 'z')
56 v = v*65509 + *str -'a'+10;
57 else if (*str >= 'A' && *str <= 'Z')
58 v = v*65509 + *str -'A'+10;
59 else if (*str >= '0' && *str <= '9')
60 v = v*65509 + *str -'0';
66 struct data1_hash_table *data1_hash_open(int size, NMEM nmem)
69 struct data1_hash_table *ht = nmem_malloc(nmem, sizeof(*ht));
74 ht->ar = nmem_malloc(nmem, sizeof(*ht->ar) * ht->size);
75 for (i = 0; i<ht->size; i++)
80 void data1_hash_insert(struct data1_hash_table *ht, const char *str,
81 void *clientData, int copy)
83 char *dstr = copy ? nmem_strdup(ht->nmem, str) : (char*) str;
84 if (strchr(str, '?') || strchr(str, '.'))
87 for (i = 0; i<ht->size; i++)
89 struct data1_hash_entry **he = &ht->ar[i];
90 for (; *he && strcmp(str, (*he)->str); he = &(*he)->next)
94 *he = nmem_malloc(ht->nmem, sizeof(**he));
98 (*he)->clientData = clientData;
103 struct data1_hash_entry **he = &ht->ar[data1_hash_calc(ht, str)];
104 for (; *he && strcmp(str, (*he)->str); he = &(*he)->next)
108 *he = nmem_malloc(ht->nmem, sizeof(**he));
112 (*he)->clientData = clientData;
116 void *data1_hash_lookup(struct data1_hash_table *ht, const char *str)
118 struct data1_hash_entry **he = &ht->ar[data1_hash_calc(ht, str)];
120 for (; *he && yaz_matchstr(str, (*he)->str); he = &(*he)->next)
123 return (*he)->clientData;
127 struct data1_systag {
130 struct data1_systag *next;
133 struct data1_absyn_cache_info
137 data1_absyn_cache next;
140 struct data1_attset_cache_info
143 data1_attset *attset;
144 data1_attset_cache next;
147 data1_element *data1_mk_element(data1_handle dh)
149 data1_element *e = nmem_malloc(data1_nmem_get(dh), sizeof(*e));
153 e->next = e->children = 0;
159 data1_absyn *data1_absyn_search (data1_handle dh, const char *name)
161 data1_absyn_cache p = *data1_absyn_cache_get (dh);
165 if (!yaz_matchstr (name, p->name))
172 We need to destroy DFAs, in xp_element (xelm) definitions
176 void data1_absyn_destroy (data1_handle dh)
178 data1_absyn_cache p = *data1_absyn_cache_get (dh);
182 data1_absyn *abs = p->absyn;
185 data1_xpelement *xpe = abs->xp_elements;
187 yaz_log (YLOG_DEBUG,"Destroy xp element %s",xpe->xpath_expr);
189 dfa_delete (&xpe->dfa);
198 void data1_absyn_trav (data1_handle dh, void *handle,
199 void (*fh)(data1_handle dh, void *h, data1_absyn *a))
201 data1_absyn_cache p = *data1_absyn_cache_get (dh);
205 (*fh)(dh, handle, p->absyn);
210 static data1_absyn *data1_read_absyn(data1_handle dh, const char *file,
211 enum DATA1_XPATH_INDEXING en);
213 static data1_absyn *data1_absyn_add(data1_handle dh, const char *name,
214 enum DATA1_XPATH_INDEXING en)
217 NMEM mem = data1_nmem_get (dh);
219 data1_absyn_cache p = (data1_absyn_cache)nmem_malloc (mem, sizeof(*p));
220 data1_absyn_cache *pp = data1_absyn_cache_get (dh);
222 sprintf(fname, "%.500s.abs", name);
223 p->absyn = data1_read_absyn(dh, fname, en);
224 p->name = nmem_strdup(mem, name);
230 data1_absyn *data1_get_absyn (data1_handle dh, const char *name,
231 enum DATA1_XPATH_INDEXING en)
235 if (!(absyn = data1_absyn_search (dh, name)))
236 absyn = data1_absyn_add (dh, name, en);
240 data1_attset *data1_attset_search_name (data1_handle dh, const char *name)
242 data1_attset_cache p = *data1_attset_cache_get (dh);
246 if (!yaz_matchstr (name, p->name))
253 data1_attset *data1_attset_search_id (data1_handle dh, int id)
255 data1_attset_cache p = *data1_attset_cache_get (dh);
259 if (id == p->attset->reference)
266 data1_attset *data1_attset_add (data1_handle dh, const char *name)
268 NMEM mem = data1_nmem_get (dh);
269 data1_attset *attset;
271 attset = data1_read_attset (dh, name);
273 yaz_log (YLOG_WARN|YLOG_ERRNO, "Couldn't load attribute set %s", name);
276 data1_attset_cache p = (data1_attset_cache)
277 nmem_malloc (mem, sizeof(*p));
278 data1_attset_cache *pp = data1_attset_cache_get (dh);
280 attset->name = p->name = nmem_strdup(mem, name);
288 data1_attset *data1_get_attset (data1_handle dh, const char *name)
290 data1_attset *attset;
292 if (!(attset = data1_attset_search_name (dh, name)))
293 attset = data1_attset_add (dh, name);
297 data1_esetname *data1_getesetbyname(data1_handle dh, data1_absyn *a,
302 for (r = a->esetnames; r; r = r->next)
303 if (!data1_matchstr(r->name, name))
308 /* we have multiple versions of data1_getelementbyname */
309 #define DATA1_GETELEMENTBYTAGNAME_VERSION 1
311 data1_element *data1_getelementbytagname (data1_handle dh, data1_absyn *abs,
312 data1_element *parent,
316 struct data1_hash_table *ht;
318 /* It's now possible to have a data1 tree with no abstract syntax */
323 r = abs->main_elements;
325 r = parent->children;
327 #if DATA1_GETELEMENTBYTAGNAME_VERSION==1
328 /* using hash search */
335 /* build hash table (the first time) */
336 ht = r->hash = data1_hash_open(29, data1_nmem_get(dh));
337 for (; r; r = r->next)
341 for (n = r->tag->names; n; n = n->next)
342 data1_hash_insert(ht, n->name, r, 0);
345 return data1_hash_lookup(ht, tagname);
347 /* using linear search */
348 for (; r; r = r->next)
352 for (n = r->tag->names; n; n = n->next)
353 if (!data1_matchstr(tagname, n->name))
360 data1_element *data1_getelementbyname (data1_handle dh, data1_absyn *absyn,
365 /* It's now possible to have a data1 tree with no abstract syntax */
368 for (r = absyn->main_elements; r; r = r->next)
369 if (!data1_matchstr(r->name, name))
375 void fix_element_ref (data1_handle dh, data1_absyn *absyn, data1_element *e)
377 /* It's now possible to have a data1 tree with no abstract syntax */
381 for (; e; e = e->next)
386 fix_element_ref (dh, absyn, e->children);
390 data1_sub_elements *sub_e = absyn->sub_elements;
391 while (sub_e && strcmp (e->sub_name, sub_e->name))
394 e->children = sub_e->elements;
396 yaz_log (YLOG_WARN, "Unresolved reference to sub-elements %s",
403 New function, a bit dummy now... I've seen it in zrpn.c... We should build
404 more clever regexps...
416 Now [] predicates are supported
422 static const char * mk_xpath_regexp (data1_handle dh, const char *expr)
424 const char *p = expr;
428 char *res_p, *res = 0;
441 int is_predicate = 0;
444 for (i = 0; *p && !strchr("/",*p); i++, p++)
446 res_size += (i+3); /* we'll add / between later .. */
447 stack[e] = (char *) nmem_malloc(data1_nmem_get(dh), i+1);
449 for (j = 0; j < i; j++)
451 const char *pp = p-i+j;
470 res_p = res = nmem_malloc(data1_nmem_get(dh), res_size + 10);
472 if (stack[e-1][0] == '@') /* path/@attr spec (leaf is attribute) */
475 strcpy(res_p, "[^@]*/"); /* path .. (index all cdata below it) */
476 res_p = res_p + strlen(res_p);
478 sprintf(res_p, "%s/", stack[e]);
479 res_p += strlen(stack[e]) + 1;
483 sprintf(res_p, ".*");
486 sprintf (res_p, "$");
488 yaz_log(YLOG_DEBUG, "Got regexp: %s", res);
492 static int parse_termlists(data1_handle dh, data1_termlist ***tpp,
493 char *cp, const char *file, int lineno,
494 const char *element_name, data1_absyn *res,
496 data1_attset *attset)
498 data1_termlist **tp = *tpp;
501 char attname[512], structure[512];
506 for (i = 0; cp[i] && i<sizeof(attname)-1; i++)
507 if (strchr(":,", cp[i]))
515 "%s:%d: Syntax error in termlistspec '%s'",
525 for (i = 0; cp[i] && i<sizeof(structure)-1; i++)
526 if (level == 0 && strchr(",", cp[i]))
530 structure[i] = cp[i];
533 else if (cp[i] == ')')
543 *tp = (data1_termlist *)
544 nmem_malloc(data1_nmem_get(dh), sizeof(**tp));
549 if (!xpelement && element_name)
550 strcpy(attname, element_name);
552 strcpy(attname, ZEBRA_XPATH_CDATA);
556 if (!data1_getattbyname(dh, attset, attname))
558 yaz_log(YLOG_WARN, "Index '%s' not found in attset(s)",
563 (*tp)->index_name = nmem_strdup(data1_nmem_get(dh), attname);
564 assert (*(*tp)->index_name != '!');
565 if (r == 2 && (source = strchr(structure, ':')))
566 *source++ = '\0'; /* cut off structure .. */
568 source = "data"; /* ok: default is leaf data */
569 (*tp)->source = (char *)
570 nmem_strdup (data1_nmem_get (dh), source);
572 if (r < 2) /* is the structure qualified? */
573 (*tp)->structure = "w";
575 (*tp)->structure = (char *)
576 nmem_strdup (data1_nmem_get (dh), structure);
585 * Converts a 'melm' field[$subfield] pattern to a simple xpath
587 static int melm2xpath(char *melm, char *buf)
593 if ((dollar = strchr(melm, '$'))) {
598 if (field[0] == '0' && field[1] == '0')
599 fieldtype = "controlfield";
601 fieldtype = "datafield";
602 sprintf(buf, "/*/%s[@tag=\"%s\"]", fieldtype, field);
604 sprintf(buf + strlen(buf), "/subfield[@code=\"%s\"]", subfield);
605 else if (field[0] != '0' || field[1] != '0')
606 strcat(buf, "/subfield");
607 yaz_log(YLOG_DEBUG, "Created xpath: '%s'", buf);
611 const char *data1_systag_lookup(data1_absyn *absyn, const char *tag,
612 const char *default_value)
614 struct data1_systag *p = absyn->systags;
615 for (; p; p = p->next)
616 if (!strcmp(p->name, tag))
618 return default_value;
621 #define l_isspace(c) ((c) == '\t' || (c) == ' ' || (c) == '\n' || (c) == '\r')
623 int read_absyn_line(FILE *f, int *lineno, char *line, int len,
624 char *argv[], int num)
630 while ((p = fgets(line, len, f)))
633 while (*p && l_isspace(*p))
641 for (argc = 0; *p ; argc++)
643 if (*p == '#') /* trailing comment */
646 while (*p && !(l_isspace(*p) && !quoted)) {
647 if (*p =='"') quoted = 1 - quoted;
648 if (*p =='[') quoted = 1;
649 if (*p ==']') quoted = 0;
655 while (*p && l_isspace(*p))
662 data1_marctab *data1_absyn_getmarctab(data1_handle dh, data1_node *root)
664 if (root->u.root.absyn)
665 return root->u.root.absyn->marc;
669 data1_element *data1_absyn_getelements(data1_handle dh,
672 if (root->u.root.absyn)
673 return root->u.root.absyn->main_elements;
677 static data1_absyn *data1_read_absyn(data1_handle dh, const char *file,
678 enum DATA1_XPATH_INDEXING default_xpath)
680 data1_sub_elements *cur_elements = NULL;
681 data1_xpelement **cur_xpelement = NULL;
682 data1_attset *attset_list = data1_empty_attset(dh);
683 data1_attset_child **attset_childp = &attset_list->children;
685 data1_absyn *res = 0;
687 data1_element **ppl[D1_MAX_NESTING];
688 data1_esetname **esetpp;
689 data1_maptab **maptabp;
690 data1_marctab **marcp;
691 data1_termlist *all = 0;
692 data1_tagset **tagset_childp;
693 struct data1_systag **systagsp;
697 char *argv[50], line[512];
699 f = data1_path_fopen(dh, file, "r");
701 res = (data1_absyn *) nmem_malloc(data1_nmem_get(dh), sizeof(*res));
703 res->reference = VAL_NONE;
706 res->xpath_indexing =
707 (f ? DATA1_XPATH_INDEXING_DISABLE : default_xpath);
709 systagsp = &res->systags;
710 tagset_childp = &res->tagset;
714 esetpp = &res->esetnames;
716 maptabp = &res->maptabs;
719 res->sub_elements = NULL;
720 res->main_elements = NULL;
721 res->xp_elements = NULL;
722 cur_xpelement = &res->xp_elements;
724 while (f && (argc = read_absyn_line(f, &lineno, line, 512, argv, 50)))
727 if (!strcmp(cmd, "elm") || !strcmp(cmd, "element"))
729 data1_element *new_element;
731 char *p, *sub_p, *path, *name, *termlists;
737 yaz_log(YLOG_WARN, "%s:%d: Bad # of args to elm", file, lineno);
746 cur_elements = (data1_sub_elements *)
747 nmem_malloc(data1_nmem_get(dh), sizeof(*cur_elements));
748 cur_elements->next = res->sub_elements;
749 cur_elements->elements = NULL;
750 cur_elements->name = "main";
751 res->sub_elements = cur_elements;
754 ppl[level] = &cur_elements->elements;
761 if ((e = strchr(p, '/')))
768 yaz_log(YLOG_WARN, "%s:%d: Bad level increase", file, lineno);
773 new_element = *ppl[level-1] = data1_mk_element(dh);
775 tp = &new_element->termlists;
776 ppl[level-1] = &new_element->next;
777 ppl[level] = &new_element->children;
779 /* consider subtree (if any) ... */
780 if ((sub_p = strchr (p, ':')) && sub_p[1])
783 new_element->sub_name =
784 nmem_strdup (data1_nmem_get(dh), sub_p);
786 /* well-defined tag */
787 if (sscanf(p, "(%d,%d)", &type, &value) == 2)
791 yaz_log(YLOG_WARN, "%s:%d: No tagset loaded", file, lineno);
795 if (!(new_element->tag = data1_gettagbynum (dh, res->tagset,
798 yaz_log(YLOG_WARN, "%s:%d: Couldn't find tag %s in tagset",
808 new_element->tag = (data1_tag *)
809 nmem_malloc(data1_nmem_get (dh),
810 sizeof(*new_element->tag));
811 nt->which = DATA1T_string;
812 nt->value.string = nmem_strdup(data1_nmem_get (dh), p);
813 nt->names = (data1_name *)
814 nmem_malloc(data1_nmem_get(dh),
815 sizeof(*new_element->tag->names));
816 nt->names->name = nt->value.string;
818 nt->kind = DATA1K_string;
824 yaz_log(YLOG_WARN, "%s:%d: Bad element", file, lineno);
828 /* parse termList definitions */
832 if (parse_termlists (dh, &tp, p, file, lineno, name, res, 0,
838 *tp = all; /* append any ALL entries to the list */
840 new_element->name = nmem_strdup(data1_nmem_get (dh), name);
843 New code to support xelm directive
844 for each xelm a dfa is built. xelms are stored in res->xp_elements
846 maybe we should use a simple sscanf instead of dfa?
850 Now [] predicates are supported. regexps and xpath structure is
851 a bit redundant, however it's comfortable later...
856 else if (!strcmp(cmd, "xelm") || !strcmp(cmd, "melm")) {
859 char *p, *xpath_expr, *termlists;
863 char melm_xpath[128];
864 data1_xpelement *xp_ele = 0;
865 data1_xpelement *last_match = 0;
869 yaz_log(YLOG_WARN, "%s:%d: Bad # of args to xelm", file, lineno);
873 if (!strcmp(cmd, "melm")) {
874 if (melm2xpath(argv[1], melm_xpath) < 0)
876 xpath_expr = melm_xpath;
878 xpath_expr = argv[1];
881 regexp = mk_xpath_regexp(dh, xpath_expr);
884 /* get last of existing regulars with same regexp */
885 for (xp_ele = res->xp_elements; xp_ele; xp_ele = xp_ele->next)
886 if (!strcmp(xp_ele->regexp, regexp))
891 /* new regular expression . Parse + generate */
892 const char *regexp_ptr = regexp;
895 i = dfa_parse (dfa, ®exp_ptr);
896 if (i || *regexp_ptr) {
897 yaz_log(YLOG_WARN, "%s:%d: Bad xpath to xelm", file, lineno);
902 *cur_xpelement = (data1_xpelement *)
903 nmem_malloc(data1_nmem_get(dh), sizeof(**cur_xpelement));
904 (*cur_xpelement)->next = 0;
905 (*cur_xpelement)->match_next = 0;
907 last_match->match_next = *cur_xpelement;
909 (*cur_xpelement)->regexp = regexp;
911 (*cur_xpelement)->xpath_expr = nmem_strdup(data1_nmem_get (dh),
916 (*cur_xpelement)->dfa = dfa;
919 (*cur_xpelement)->xpath_len =
920 zebra_parse_xpath_str(
922 (*cur_xpelement)->xpath, XPATH_STEP_COUNT,
925 (*cur_xpelement)->termlists = 0;
926 tp = &(*cur_xpelement)->termlists;
928 /* parse termList definitions */
932 if (parse_termlists (dh, &tp, p, file, lineno,
933 xpath_expr, res, 1, attset_list))
938 *tp = all; /* append any ALL entries to the list */
940 cur_xpelement = &(*cur_xpelement)->next;
942 else if (!strcmp(cmd, "section"))
948 yaz_log(YLOG_WARN, "%s:%d: Bad # of args to section",
954 cur_elements = (data1_sub_elements *)
955 nmem_malloc(data1_nmem_get(dh), sizeof(*cur_elements));
956 cur_elements->next = res->sub_elements;
957 cur_elements->elements = NULL;
958 cur_elements->name = nmem_strdup (data1_nmem_get(dh), name);
959 res->sub_elements = cur_elements;
962 ppl[level] = &cur_elements->elements;
964 else if (!strcmp(cmd, "xpath"))
968 yaz_log(YLOG_WARN, "%s:%d: Bad # of args to 'xpath' directive",
972 if (!strcmp(argv[1], "enable"))
973 res->xpath_indexing = DATA1_XPATH_INDEXING_ENABLE;
974 else if (!strcmp (argv[1], "disable"))
975 res->xpath_indexing = DATA1_XPATH_INDEXING_DISABLE;
978 yaz_log(YLOG_WARN, "%s:%d: Expecting disable/enable "
979 "after 'xpath' directive", file, lineno);
982 else if (!strcmp(cmd, "all"))
984 data1_termlist **tp = &all;
987 yaz_log(YLOG_WARN, "%s:%d: Too many 'all' directives - ignored",
993 yaz_log(YLOG_WARN, "%s:%d: Bad # of args to 'all' directive",
997 if (parse_termlists (dh, &tp, argv[1], file, lineno, 0, res, 0,
1004 else if (!strcmp(cmd, "name"))
1008 yaz_log(YLOG_WARN, "%s:%d: Bad # of args to name directive",
1012 res->name = nmem_strdup(data1_nmem_get(dh), argv[1]);
1014 else if (!strcmp(cmd, "reference"))
1020 yaz_log(YLOG_WARN, "%s:%d: Bad # of args to reference",
1025 if ((res->reference = oid_getvalbyname(name)) == VAL_NONE)
1027 yaz_log(YLOG_WARN, "%s:%d: Unknown tagset ref '%s'",
1028 file, lineno, name);
1032 else if (!strcmp(cmd, "attset"))
1035 data1_attset *attset;
1039 yaz_log(YLOG_WARN, "%s:%d: Bad # of args to attset",
1044 if (!(attset = data1_get_attset (dh, name)))
1046 yaz_log(YLOG_WARN, "%s:%d: Couldn't find attset %s",
1047 file, lineno, name);
1050 *attset_childp = (data1_attset_child *)
1051 nmem_malloc (data1_nmem_get(dh), sizeof(**attset_childp));
1052 (*attset_childp)->child = attset;
1053 (*attset_childp)->next = 0;
1054 attset_childp = &(*attset_childp)->next;
1056 else if (!strcmp(cmd, "tagset"))
1062 yaz_log(YLOG_WARN, "%s:%d: Bad # of args to tagset",
1068 type = atoi(argv[2]);
1069 *tagset_childp = data1_read_tagset (dh, name, type);
1070 if (!(*tagset_childp))
1072 yaz_log(YLOG_WARN, "%s:%d: Couldn't load tagset %s",
1073 file, lineno, name);
1076 tagset_childp = &(*tagset_childp)->next;
1078 else if (!strcmp(cmd, "varset"))
1084 yaz_log(YLOG_WARN, "%s:%d: Bad # of args in varset",
1089 if (!(res->varset = data1_read_varset (dh, name)))
1091 yaz_log(YLOG_WARN, "%s:%d: Couldn't load Varset %s",
1092 file, lineno, name);
1096 else if (!strcmp(cmd, "esetname"))
1102 yaz_log(YLOG_WARN, "%s:%d: Bad # of args in esetname",
1109 *esetpp = (data1_esetname *)
1110 nmem_malloc(data1_nmem_get(dh), sizeof(**esetpp));
1111 (*esetpp)->name = nmem_strdup(data1_nmem_get(dh), name);
1112 (*esetpp)->next = 0;
1114 (*esetpp)->spec = 0;
1115 else if (!((*esetpp)->spec = data1_read_espec1 (dh, fname)))
1117 yaz_log(YLOG_WARN, "%s:%d: Espec-1 read failed for %s",
1118 file, lineno, fname);
1121 esetpp = &(*esetpp)->next;
1123 else if (!strcmp(cmd, "maptab"))
1129 yaz_log(YLOG_WARN, "%s:%d: Bad # of args for maptab",
1134 if (!(*maptabp = data1_read_maptab (dh, name)))
1136 yaz_log(YLOG_WARN, "%s:%d: Couldn't load maptab %s",
1137 file, lineno, name);
1140 maptabp = &(*maptabp)->next;
1142 else if (!strcmp(cmd, "marc"))
1148 yaz_log(YLOG_WARN, "%s:%d: Bad # or args for marc",
1153 if (!(*marcp = data1_read_marctab (dh, name)))
1155 yaz_log(YLOG_WARN, "%s:%d: Couldn't read marctab %s",
1156 file, lineno, name);
1159 marcp = &(*marcp)->next;
1161 else if (!strcmp(cmd, "encoding"))
1165 yaz_log(YLOG_WARN, "%s:%d: Bad # or args for encoding",
1169 res->encoding = nmem_strdup (data1_nmem_get(dh), argv[1]);
1171 else if (!strcmp(cmd, "systag"))
1175 yaz_log(YLOG_WARN, "%s:%d: Bad # or args for systag",
1179 *systagsp = nmem_malloc (data1_nmem_get(dh), sizeof(**systagsp));
1181 (*systagsp)->name = nmem_strdup(data1_nmem_get(dh), argv[1]);
1182 (*systagsp)->value = nmem_strdup(data1_nmem_get(dh), argv[2]);
1183 systagsp = &(*systagsp)->next;
1187 yaz_log(YLOG_WARN, "%s:%d: Unknown directive '%s'", file,
1195 for (cur_elements = res->sub_elements; cur_elements;
1196 cur_elements = cur_elements->next)
1198 if (!strcmp (cur_elements->name, "main"))
1199 res->main_elements = cur_elements->elements;
1200 fix_element_ref (dh, res, cur_elements->elements);
1209 * indent-tabs-mode: nil
1211 * vim: shiftwidth=4 tabstop=8 expandtab