/* $Id: d1_absyn.c,v 1.9.2.1 2004/08/24 14:06:31 adam Exp $
Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
Index Data Aps
This file is part of the Zebra server.
Zebra is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with Zebra; see the file LICENSE.zebra. If not, write to the
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
*/
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <yaz/oid.h>
#include <yaz/log.h>
#include <data1.h>
#include <zebra_xpath.h>
#define D1_MAX_NESTING 128
struct data1_systag {
char *name;
char *value;
struct data1_systag *next;
};
struct data1_absyn_cache_info
{
char *name;
data1_absyn *absyn;
data1_absyn_cache next;
};
struct data1_attset_cache_info
{
char *name;
data1_attset *attset;
data1_attset_cache next;
};
data1_absyn *data1_absyn_search (data1_handle dh, const char *name)
{
data1_absyn_cache p = *data1_absyn_cache_get (dh);
while (p)
{
if (!strcmp (name, p->name))
return p->absyn;
p = p->next;
}
return NULL;
}
/* *ostrich*
We need to destroy DFAs, in xp_element (xelm) definitions
pop, 2002-12-13
*/
void data1_absyn_destroy (data1_handle dh)
{
data1_absyn_cache p = *data1_absyn_cache_get (dh);
while (p)
{
data1_absyn *abs = p->absyn;
if (abs)
{
data1_xpelement *xpe = abs->xp_elements;
while (xpe) {
logf (LOG_DEBUG,"Destroy xp element %s",xpe->xpath_expr);
if (xpe->dfa) { dfa_delete (&xpe->dfa); }
xpe = xpe->next;
}
}
p = p->next;
}
}
void data1_absyn_trav (data1_handle dh, void *handle,
void (*fh)(data1_handle dh, void *h, data1_absyn *a))
{
data1_absyn_cache p = *data1_absyn_cache_get (dh);
while (p)
{
(*fh)(dh, handle, p->absyn);
p = p->next;
}
}
data1_absyn *data1_absyn_add (data1_handle dh, const char *name)
{
char fname[512];
NMEM mem = data1_nmem_get (dh);
data1_absyn_cache p = (data1_absyn_cache)nmem_malloc (mem, sizeof(*p));
data1_absyn_cache *pp = data1_absyn_cache_get (dh);
sprintf(fname, "%s.abs", name);
p->absyn = data1_read_absyn (dh, fname, 0);
p->name = nmem_strdup (mem, name);
p->next = *pp;
*pp = p;
return p->absyn;
}
data1_absyn *data1_get_absyn (data1_handle dh, const char *name)
{
data1_absyn *absyn;
if (!(absyn = data1_absyn_search (dh, name)))
absyn = data1_absyn_add (dh, name);
return absyn;
}
data1_attset *data1_attset_search_name (data1_handle dh, const char *name)
{
data1_attset_cache p = *data1_attset_cache_get (dh);
while (p)
{
if (!strcmp (name, p->name))
return p->attset;
p = p->next;
}
return NULL;
}
data1_attset *data1_attset_search_id (data1_handle dh, int id)
{
data1_attset_cache p = *data1_attset_cache_get (dh);
while (p)
{
if (id == p->attset->reference)
return p->attset;
p = p->next;
}
return NULL;
}
data1_attset *data1_attset_add (data1_handle dh, const char *name)
{
char fname[512], aname[512];
NMEM mem = data1_nmem_get (dh);
data1_attset *attset;
strcpy (aname, name);
sprintf(fname, "%s.att", name);
attset = data1_read_attset (dh, fname);
if (!attset)
{
char *cp;
attset = data1_read_attset (dh, name);
if (attset && (cp = strrchr (aname, '.')))
*cp = '\0';
}
if (!attset)
yaz_log (LOG_WARN|LOG_ERRNO, "Couldn't load attribute set %s", name);
else
{
data1_attset_cache p = (data1_attset_cache)
nmem_malloc (mem, sizeof(*p));
data1_attset_cache *pp = data1_attset_cache_get (dh);
attset->name = p->name = nmem_strdup (mem, aname);
p->attset = attset;
p->next = *pp;
*pp = p;
}
return attset;
}
data1_attset *data1_get_attset (data1_handle dh, const char *name)
{
data1_attset *attset;
if (!(attset = data1_attset_search_name (dh, name)))
attset = data1_attset_add (dh, name);
return attset;
}
data1_esetname *data1_getesetbyname(data1_handle dh, data1_absyn *a,
const char *name)
{
data1_esetname *r;
for (r = a->esetnames; r; r = r->next)
if (!data1_matchstr(r->name, name))
return r;
return 0;
}
data1_element *data1_getelementbytagname (data1_handle dh, data1_absyn *abs,
data1_element *parent,
const char *tagname)
{
data1_element *r;
/* It's now possible to have a data1 tree with no abstract syntax */
if ( !abs )
return 0;
if (!parent)
r = abs->main_elements;
else
r = parent->children;
for (; r; r = r->next)
{
data1_name *n;
for (n = r->tag->names; n; n = n->next)
if (!data1_matchstr(tagname, n->name))
return r;
}
return 0;
}
data1_element *data1_getelementbyname (data1_handle dh, data1_absyn *absyn,
const char *name)
{
data1_element *r;
/* It's now possible to have a data1 tree with no abstract syntax */
if ( !absyn )
return 0;
for (r = absyn->main_elements; r; r = r->next)
if (!data1_matchstr(r->name, name))
return r;
return 0;
}
void fix_element_ref (data1_handle dh, data1_absyn *absyn, data1_element *e)
{
/* It's now possible to have a data1 tree with no abstract syntax */
if ( !absyn )
return;
for (; e; e = e->next)
{
if (!e->sub_name)
{
if (e->children)
fix_element_ref (dh, absyn, e->children);
}
else
{
data1_sub_elements *sub_e = absyn->sub_elements;
while (sub_e && strcmp (e->sub_name, sub_e->name))
sub_e = sub_e->next;
if (sub_e)
e->children = sub_e->elements;
else
yaz_log (LOG_WARN, "Unresolved reference to sub-elements %s",
e->sub_name);
}
}
}
/* *ostrich*
New function, a bit dummy now... I've seen it in zrpn.c... We should build
more clever regexps...
//a -> ^a/.*$
//a/b -> ^b/a/.*$
/a -> ^a/$
/a/b -> ^b/a/$
/ -> none
pop, 2002-12-13
Now [] predicates are supported
pop, 2003-01-17
*/
const char * mk_xpath_regexp (data1_handle dh, char *expr)
{
char *p = expr;
char *pp;
char *s;
int abs = 1;
int i;
int j;
int e=0;
int is_predicate = 0;
static char *stack[32];
static char res[1024];
char *r = "";
if (*p != '/') { return (""); }
p++;
if (*p == '/') { abs=0; p++; }
while (*p) {
i=0;
while (*p && !strchr("/",*p)) {
i++; p++;
}
stack[e] = (char *) nmem_malloc (data1_nmem_get (dh), i+1);
s = stack[e];
for (j=0; j< i; j++) {
pp = p-i+j;
if (*pp == '[') {
is_predicate=1;
}
else if (*pp == ']') {
is_predicate=0;
}
else {
if (!is_predicate) {
if (*pp == '*')
*s++ = '.';
*s++ = *pp;
}
}
}
*s = 0;
e++;
if (*p) {p++;}
}
e--; p = &res[0]; i=0;
sprintf (p, "^"); p++;
while (e >= 0) {
/* !!! res size is not checked !!! */
sprintf (p, "%s/",stack[e]);
p += strlen(stack[e]) + 1;
e--;
}
if (!abs) { sprintf (p, ".*"); p+=2; }
sprintf (p, "$"); p++;
r = nmem_strdup (data1_nmem_get (dh), res);
yaz_log(LOG_DEBUG,"Got regexp: %s",r);
return (r);
}
/* *ostrich*
added arg xpelement... when called from xelm context, it's 1, saying
that ! means xpath, not element name as attribute name...
pop, 2002-12-13
*/
static int parse_termlists (data1_handle dh, data1_termlist ***tpp,
char *cp, const char *file, int lineno,
const char *element_name, data1_absyn *res,
int xpelement)
{
data1_termlist **tp = *tpp;
while(1)
{
char attname[512], structure[512];
char *source;
int r, i;
int level = 0;
structure[0] = '\0';
for (i = 0; cp[i] && i<sizeof(attname)-1; i++)
if (strchr(":,", cp[i]))
break;
else
attname[i] = cp[i];
if (i == 0)
{
if (*cp)
yaz_log(LOG_WARN,
"%s:%d: Syntax error in termlistspec '%s'",
file, lineno, cp);
break;
}
attname[i] = '\0';
r = 1;
cp += i;
if (*cp == ':')
cp++;
for (i = 0; cp[i] && i<sizeof(structure)-1; i++)
if (level == 0 && strchr(",", cp[i]))
break;
else
{
structure[i] = cp[i];
if (cp[i] == '(')
level++;
else if (cp[i] == ')')
level--;
}
structure[i] = '\0';
if (i)
r = 2;
cp += i;
if (*cp)
cp++; /* skip , */
*tp = (data1_termlist *)
nmem_malloc(data1_nmem_get(dh), sizeof(**tp));
(*tp)->next = 0;
if (!xpelement) {
if (*attname == '!')
strcpy(attname, element_name);
}
if (!((*tp)->att = data1_getattbyname(dh, res->attset,
attname))) {
if ((!xpelement) || (*attname != '!')) {
yaz_log(LOG_WARN,
"%s:%d: Couldn't find att '%s' in attset",
file, lineno, attname);
return -1;
} else {
(*tp)->att = 0;
}
}
if (r == 2 && (source = strchr(structure, ':')))
*source++ = '\0'; /* cut off structure .. */
else
source = "data"; /* ok: default is leaf data */
(*tp)->source = (char *)
nmem_strdup (data1_nmem_get (dh), source);
if (r < 2) /* is the structure qualified? */
(*tp)->structure = "w";
else
(*tp)->structure = (char *)
nmem_strdup (data1_nmem_get (dh), structure);
tp = &(*tp)->next;
}
*tpp = tp;
return 0;
}
const char *data1_systag_lookup(data1_absyn *absyn, const char *tag,
const char *default_value)
{
struct data1_systag *p = absyn->systags;
for (; p; p = p->next)
if (!strcmp(p->name, tag))
return p->value;
return default_value;
}
#define l_isspace(c) ((c) == '\t' || (c) == ' ' || (c) == '\n' || (c) == '\r')
int read_absyn_line(FILE *f, int *lineno, char *line, int len,
char *argv[], int num)
{
char *p;
int argc;
int quoted = 0;
while ((p = fgets(line, len, f)))
{
(*lineno)++;
while (*p && l_isspace(*p))
p++;
if (*p && *p != '#')
break;
}
if (!p)
return 0;
for (argc = 0; *p ; argc++)
{
if (*p == '#') /* trailing comment */
break;
argv[argc] = p;
while (*p && !(l_isspace(*p) && !quoted)) {
if (*p =='"') quoted = 1 - quoted;
if (*p =='[') quoted = 1;
if (*p ==']') quoted = 0;
p++;
}
if (*p)
{
*(p++) = '\0';
while (*p && l_isspace(*p))
p++;
}
}
return argc;
}
data1_absyn *data1_read_absyn (data1_handle dh, const char *file,
int file_must_exist)
{
data1_sub_elements *cur_elements = NULL;
data1_xpelement *cur_xpelement = NULL;
data1_absyn *res = 0;
FILE *f;
data1_element **ppl[D1_MAX_NESTING];
data1_esetname **esetpp;
data1_maptab **maptabp;
data1_marctab **marcp;
data1_termlist *all = 0;
data1_attset_child **attset_childp;
data1_tagset **tagset_childp;
struct data1_systag **systagsp;
int level = 0;
int lineno = 0;
int argc;
char *argv[50], line[512];
if (!(f = data1_path_fopen(dh, file, "r")))
{
yaz_log(LOG_WARN|LOG_ERRNO, "Couldn't open %s", file);
if (file_must_exist)
return 0;
}
res = (data1_absyn *) nmem_malloc(data1_nmem_get(dh), sizeof(*res));
res->name = 0;
res->reference = VAL_NONE;
res->tagset = 0;
res->encoding = 0;
res->enable_xpath_indexing = (f ? 0 : 1);
res->systags = 0;
systagsp = &res->systags;
tagset_childp = &res->tagset;
res->attset = data1_empty_attset (dh);
attset_childp = &res->attset->children;
res->varset = 0;
res->esetnames = 0;
esetpp = &res->esetnames;
res->maptabs = 0;
maptabp = &res->maptabs;
res->marc = 0;
marcp = &res->marc;
res->sub_elements = NULL;
res->main_elements = NULL;
res->xp_elements = NULL;
while (f && (argc = read_absyn_line(f, &lineno, line, 512, argv, 50)))
{
char *cmd = *argv;
if (!strcmp(cmd, "elm") || !strcmp(cmd, "element"))
{
data1_element *new_element;
int i;
char *p, *sub_p, *path, *name, *termlists;
int type, value;
data1_termlist **tp;
if (argc < 4)
{
yaz_log(LOG_WARN, "%s:%d: Bad # of args to elm", file, lineno);
continue;
}
path = argv[1];
name = argv[2];
termlists = argv[3];
if (!cur_elements)
{
cur_elements = (data1_sub_elements *)
nmem_malloc(data1_nmem_get(dh), sizeof(*cur_elements));
cur_elements->next = res->sub_elements;
cur_elements->elements = NULL;
cur_elements->name = "main";
res->sub_elements = cur_elements;
level = 0;
ppl[level] = &cur_elements->elements;
}
p = path;
for (i = 1;; i++)
{
char *e;
if ((e = strchr(p, '/')))
p = e+1;
else
break;
}
if (i > level+1)
{
yaz_log(LOG_WARN, "%s:%d: Bad level increase", file, lineno);
fclose(f);
return 0;
}
level = i;
new_element = *ppl[level-1] = (data1_element *)
nmem_malloc(data1_nmem_get(dh), sizeof(*new_element));
new_element->next = new_element->children = 0;
new_element->tag = 0;
new_element->termlists = 0;
new_element->sub_name = 0;
tp = &new_element->termlists;
ppl[level-1] = &new_element->next;
ppl[level] = &new_element->children;
/* consider subtree (if any) ... */
if ((sub_p = strchr (p, ':')) && sub_p[1])
{
*sub_p++ = '\0';
new_element->sub_name =
nmem_strdup (data1_nmem_get(dh), sub_p);
}
/* well-defined tag */
if (sscanf(p, "(%d,%d)", &type, &value) == 2)
{
if (!res->tagset)
{
yaz_log(LOG_WARN, "%s:%d: No tagset loaded", file, lineno);
fclose(f);
return 0;
}
if (!(new_element->tag = data1_gettagbynum (dh, res->tagset,
type, value)))
{
yaz_log(LOG_WARN, "%s:%d: Couldn't find tag %s in tagset",
file, lineno, p);
fclose(f);
return 0;
}
}
/* private tag */
else if (*p)
{
data1_tag *nt =
new_element->tag = (data1_tag *)
nmem_malloc(data1_nmem_get (dh),
sizeof(*new_element->tag));
nt->which = DATA1T_string;
nt->value.string = nmem_strdup(data1_nmem_get (dh), p);
nt->names = (data1_name *)
nmem_malloc(data1_nmem_get(dh),
sizeof(*new_element->tag->names));
nt->names->name = nt->value.string;
nt->names->next = 0;
nt->kind = DATA1K_string;
nt->next = 0;
nt->tagset = 0;
}
else
{
yaz_log(LOG_WARN, "%s:%d: Bad element", file, lineno);
fclose(f);
return 0;
}
/* parse termList definitions */
p = termlists;
if (*p != '-')
{
assert (res->attset);
if (parse_termlists (dh, &tp, p, file, lineno, name, res, 0))
{
fclose (f);
return 0;
}
*tp = all; /* append any ALL entries to the list */
}
new_element->name = nmem_strdup(data1_nmem_get (dh), name);
}
/* *ostrich*
New code to support xelm directive
for each xelm a dfa is built. xelms are stored in res->xp_elements
maybe we should use a simple sscanf instead of dfa?
pop, 2002-12-13
Now [] predicates are supported. regexps and xpath structure is
a bit redundant, however it's comfortable later...
pop, 2003-01-17
*/
else if (!strcmp(cmd, "xelm")) {
int i;
char *p, *xpath_expr, *termlists;
const char *regexp;
struct DFA *dfa = dfa = dfa_init();
data1_termlist **tp;
if (argc < 3)
{
yaz_log(LOG_WARN, "%s:%d: Bad # of args to xelm", file, lineno);
continue;
}
xpath_expr = argv[1];
termlists = argv[2];
regexp = mk_xpath_regexp(dh, xpath_expr);
i = dfa_parse (dfa, ®exp);
if (i || *regexp) {
yaz_log(LOG_WARN, "%s:%d: Bad xpath to xelm", file, lineno);
dfa_delete (&dfa);
continue;
}
if (!cur_xpelement)
{
cur_xpelement = (data1_xpelement *)
nmem_malloc(data1_nmem_get(dh), sizeof(*cur_xpelement));
res->xp_elements = cur_xpelement;
} else {
cur_xpelement->next = (data1_xpelement *)
nmem_malloc(data1_nmem_get(dh), sizeof(*cur_xpelement));
cur_xpelement = cur_xpelement->next;
}
cur_xpelement->next = NULL;
cur_xpelement->xpath_expr = nmem_strdup(data1_nmem_get (dh),
xpath_expr);
dfa_mkstate (dfa);
cur_xpelement->dfa = dfa;
#ifdef ENHANCED_XELM
cur_xpelement->xpath_len =
zebra_parse_xpath_str(xpath_expr,
cur_xpelement->xpath, XPATH_STEP_COUNT,
data1_nmem_get(dh));
/*
dump_xp_steps(cur_xpelement->xpath,cur_xpelement->xpath_len);
*/
#endif
cur_xpelement->termlists = 0;
tp = &cur_xpelement->termlists;
/* parse termList definitions */
p = termlists;
if (*p != '-')
{
assert (res->attset);
if (parse_termlists (dh, &tp, p, file, lineno,
xpath_expr, res, 1))
{
fclose (f);
return 0;
}
*tp = all; /* append any ALL entries to the list */
}
}
else if (!strcmp(cmd, "section"))
{
char *name;
if (argc < 2)
{
yaz_log(LOG_WARN, "%s:%d: Bad # of args to section",
file, lineno);
continue;
}
name = argv[1];
cur_elements = (data1_sub_elements *)
nmem_malloc(data1_nmem_get(dh), sizeof(*cur_elements));
cur_elements->next = res->sub_elements;
cur_elements->elements = NULL;
cur_elements->name = nmem_strdup (data1_nmem_get(dh), name);
res->sub_elements = cur_elements;
level = 0;
ppl[level] = &cur_elements->elements;
}
else if (!strcmp(cmd, "xpath"))
{
if (argc != 2)
{
yaz_log(LOG_WARN, "%s:%d: Bad # of args to 'xpath' directive",
file, lineno);
continue;
}
if (!strcmp(argv[1], "enable"))
res->enable_xpath_indexing = 1;
else if (!strcmp (argv[1], "disable"))
res->enable_xpath_indexing = 0;
else
{
yaz_log(LOG_WARN, "%s:%d: Expecting disable/enable "
"after 'xpath' directive", file, lineno);
}
}
else if (!strcmp(cmd, "all"))
{
data1_termlist **tp = &all;
if (all)
{
yaz_log(LOG_WARN, "%s:%d: Too many 'all' directives - ignored",
file, lineno);
continue;
}
if (argc != 2)
{
yaz_log(LOG_WARN, "%s:%d: Bad # of args to 'all' directive",
file, lineno);
continue;
}
if (parse_termlists (dh, &tp, argv[1], file, lineno, 0, res, 0))
{
fclose (f);
return 0;
}
}
else if (!strcmp(cmd, "name"))
{
if (argc != 2)
{
yaz_log(LOG_WARN, "%s:%d: Bad # of args to name directive",
file, lineno);
continue;
}
res->name = nmem_strdup(data1_nmem_get(dh), argv[1]);
}
else if (!strcmp(cmd, "reference"))
{
char *name;
if (argc != 2)
{
yaz_log(LOG_WARN, "%s:%d: Bad # of args to reference",
file, lineno);
continue;
}
name = argv[1];
if ((res->reference = oid_getvalbyname(name)) == VAL_NONE)
{
yaz_log(LOG_WARN, "%s:%d: Unknown tagset ref '%s'",
file, lineno, name);
continue;
}
}
else if (!strcmp(cmd, "attset"))
{
char *name;
data1_attset *attset;
if (argc != 2)
{
yaz_log(LOG_WARN, "%s:%d: Bad # of args to attset",
file, lineno);
continue;
}
name = argv[1];
if (!(attset = data1_get_attset (dh, name)))
{
yaz_log(LOG_WARN, "%s:%d: Couldn't find attset %s",
file, lineno, name);
continue;
}
*attset_childp = (data1_attset_child *)
nmem_malloc (data1_nmem_get(dh), sizeof(**attset_childp));
(*attset_childp)->child = attset;
(*attset_childp)->next = 0;
attset_childp = &(*attset_childp)->next;
}
else if (!strcmp(cmd, "tagset"))
{
char *name;
int type = 0;
if (argc < 2)
{
yaz_log(LOG_WARN, "%s:%d: Bad # of args to tagset",
file, lineno);
continue;
}
name = argv[1];
if (argc == 3)
type = atoi(argv[2]);
*tagset_childp = data1_read_tagset (dh, name, type);
if (!(*tagset_childp))
{
yaz_log(LOG_WARN, "%s:%d: Couldn't load tagset %s",
file, lineno, name);
continue;
}
tagset_childp = &(*tagset_childp)->next;
}
else if (!strcmp(cmd, "varset"))
{
char *name;
if (argc != 2)
{
yaz_log(LOG_WARN, "%s:%d: Bad # of args in varset",
file, lineno);
continue;
}
name = argv[1];
if (!(res->varset = data1_read_varset (dh, name)))
{
yaz_log(LOG_WARN, "%s:%d: Couldn't load Varset %s",
file, lineno, name);
continue;
}
}
else if (!strcmp(cmd, "esetname"))
{
char *name, *fname;
if (argc != 3)
{
yaz_log(LOG_WARN, "%s:%d: Bad # of args in esetname",
file, lineno);
continue;
}
name = argv[1];
fname = argv[2];
*esetpp = (data1_esetname *)
nmem_malloc(data1_nmem_get(dh), sizeof(**esetpp));
(*esetpp)->name = nmem_strdup(data1_nmem_get(dh), name);
(*esetpp)->next = 0;
if (*fname == '@')
(*esetpp)->spec = 0;
else if (!((*esetpp)->spec = data1_read_espec1 (dh, fname)))
{
yaz_log(LOG_WARN, "%s:%d: Espec-1 read failed for %s",
file, lineno, fname);
continue;
}
esetpp = &(*esetpp)->next;
}
else if (!strcmp(cmd, "maptab"))
{
char *name;
if (argc != 2)
{
yaz_log(LOG_WARN, "%s:%d: Bad # of args for maptab",
file, lineno);
continue;
}
name = argv[1];
if (!(*maptabp = data1_read_maptab (dh, name)))
{
yaz_log(LOG_WARN, "%s:%d: Couldn't load maptab %s",
file, lineno, name);
continue;
}
maptabp = &(*maptabp)->next;
}
else if (!strcmp(cmd, "marc"))
{
char *name;
if (argc != 2)
{
yaz_log(LOG_WARN, "%s:%d: Bad # or args for marc",
file, lineno);
continue;
}
name = argv[1];
if (!(*marcp = data1_read_marctab (dh, name)))
{
yaz_log(LOG_WARN, "%s:%d: Couldn't read marctab %s",
file, lineno, name);
continue;
}
marcp = &(*marcp)->next;
}
else if (!strcmp(cmd, "encoding"))
{
if (argc != 2)
{
yaz_log(LOG_WARN, "%s:%d: Bad # or args for encoding",
file, lineno);
continue;
}
res->encoding = nmem_strdup (data1_nmem_get(dh), argv[1]);
}
else if (!strcmp(cmd, "systag"))
{
if (argc != 3)
{
yaz_log(LOG_WARN, "%s:%d: Bad # or args for systag",
file, lineno);
continue;
}
*systagsp = nmem_malloc (data1_nmem_get(dh), sizeof(**systagsp));
(*systagsp)->name = nmem_strdup(data1_nmem_get(dh), argv[1]);
(*systagsp)->value = nmem_strdup(data1_nmem_get(dh), argv[2]);
systagsp = &(*systagsp)->next;
}
else
{
yaz_log(LOG_WARN, "%s:%d: Unknown directive '%s'", file,
lineno, cmd);
continue;
}
}
if (f)
fclose(f);
for (cur_elements = res->sub_elements; cur_elements;
cur_elements = cur_elements->next)
{
if (!strcmp (cur_elements->name, "main"))
res->main_elements = cur_elements->elements;
fix_element_ref (dh, res, cur_elements->elements);
}
*systagsp = 0;
yaz_log (LOG_DEBUG, "%s: data1_read_absyn end", file);
return res;
}
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