-/* $Id: d1_absyn.c,v 1.22 2006-02-06 23:22:28 adam Exp $
- Copyright (C) 1995-2005
+/* $Id: d1_absyn.c,v 1.29 2006-09-28 18:38:44 adam Exp $
+ Copyright (C) 1995-2006
Index Data ApS
This file is part of the Zebra server.
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.
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
*/
#include <stdio.h>
#include <yaz/log.h>
#include <yaz/oid.h>
#include <idzebra/data1.h>
+#include <idzebra/recctrl.h>
#include <zebra_xpath.h>
#include <d1_absyn.h>
return p->absyn;
p = p->next;
}
- return NULL;
+ return 0;
}
/* *ostrich*
We need to destroy DFAs, in xp_element (xelm) definitions
data1_xpelement *xpe = abs->xp_elements;
while (xpe) {
yaz_log (YLOG_DEBUG,"Destroy xp element %s",xpe->xpath_expr);
- if (xpe->dfa) { dfa_delete (&xpe->dfa); }
+ if (xpe->dfa)
+ dfa_delete (&xpe->dfa);
xpe = xpe->next;
- }
+ }
}
p = p->next;
}
}
}
-data1_absyn *data1_absyn_add (data1_handle dh, const char *name)
+static data1_absyn *data1_read_absyn(data1_handle dh, const char *file,
+ enum DATA1_XPATH_INDEXING en);
+
+static data1_absyn *data1_absyn_add(data1_handle dh, const char *name,
+ enum DATA1_XPATH_INDEXING en)
{
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);
+ sprintf(fname, "%.500s.abs", name);
+ p->absyn = data1_read_absyn(dh, fname, en);
+ 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 *data1_get_absyn (data1_handle dh, const char *name,
+ enum DATA1_XPATH_INDEXING en)
{
data1_absyn *absyn;
if (!(absyn = data1_absyn_search (dh, name)))
- absyn = data1_absyn_add (dh, name);
+ absyn = data1_absyn_add (dh, name, en);
return absyn;
}
return p->attset;
p = p->next;
}
- return NULL;
+ return 0;
}
data1_attset *data1_attset_search_id (data1_handle dh, int id)
return p->attset;
p = p->next;
}
- return NULL;
+ return 0;
}
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';
- }
+
+ attset = data1_read_attset (dh, name);
if (!attset)
yaz_log (YLOG_WARN|YLOG_ERRNO, "Couldn't load attribute set %s", name);
else
nmem_malloc (mem, sizeof(*p));
data1_attset_cache *pp = data1_attset_cache_get (dh);
- attset->name = p->name = nmem_strdup (mem, aname);
+ attset->name = p->name = nmem_strdup(mem, name);
p->attset = attset;
p->next = *pp;
*pp = p;
/* we have multiple versions of data1_getelementbyname */
#define DATA1_GETELEMENTBYTAGNAME_VERSION 1
-#if DATA1_GETELEMENTBYTAGNAME_VERSION==0
-/* straight linear search */
-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;
-}
-#endif
-
-#if DATA1_GETELEMENTBYTAGNAME_VERSION==1
-/* using hash search */
data1_element *data1_getelementbytagname (data1_handle dh, data1_absyn *abs,
data1_element *parent,
const char *tagname)
else
r = parent->children;
+#if DATA1_GETELEMENTBYTAGNAME_VERSION==1
+ /* using hash search */
if (!r)
return 0;
ht = r->hash;
if (!ht)
{
+ /* build hash table (the first time) */
ht = r->hash = data1_hash_open(29, data1_nmem_get(dh));
for (; r; r = r->next)
{
}
}
return data1_hash_lookup(ht, tagname);
-}
+#else
+ /* using linear search */
+ 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;
#endif
+}
data1_element *data1_getelementbyname (data1_handle dh, data1_absyn *absyn,
const char *name)
{
const char *p = expr;
int abs = 1;
- int i;
int e = 0;
char *stack[32];
char *res_p, *res = 0;
res_p = res = nmem_malloc(data1_nmem_get(dh), res_size + 10);
if (stack[e-1][0] == '@') /* path/@attr spec (leaf is attribute) */
- sprintf(res_p, "/");
+ strcpy(res_p, "/");
else
- sprintf(res_p, "[^@]*/"); /* path .. (index all cdata below it) */
+ strcpy(res_p, "[^@]*/"); /* path .. (index all cdata below it) */
res_p = res_p + strlen(res_p);
while (--e >= 0) {
sprintf(res_p, "%s/", stack[e]);
return res;
}
-/* *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)
+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_attset *attset)
{
data1_termlist **tp = *tpp;
while(1)
nmem_malloc(data1_nmem_get(dh), sizeof(**tp));
(*tp)->next = 0;
-#if NATTR
- (*tp)->index_name = nmem_strdup(data1_nmem_get(dh), element_name);
- if (*attname == '!' && xpelement)
- (*tp)->index_name = 0;
-#else
- if (!xpelement) {
- if (*attname == '!')
+ if (*attname == '!')
+ {
+ if (!xpelement && element_name)
strcpy(attname, element_name);
- }
- if (!((*tp)->att = data1_getattbyname(dh, res->attset, attname)))
- {
- if ((!xpelement) || (*attname != '!')) {
- yaz_log(YLOG_WARN,
- "%s:%d: Couldn't find att '%s' in attset",
- file, lineno, attname);
- return -1;
- } else {
- (*tp)->att = 0;
+ else if (xpelement)
+ strcpy(attname, ZEBRA_XPATH_CDATA);
+ }
+ if (attset)
+ {
+ if (!data1_getattbyname(dh, attset, attname))
+ {
+ yaz_log(YLOG_WARN, "Index '%s' not found in attset(s)",
+ attname);
}
- }
-#endif
+ }
+
+ (*tp)->index_name = nmem_strdup(data1_nmem_get(dh), attname);
+ assert (*(*tp)->index_name != '!');
if (r == 2 && (source = strchr(structure, ':')))
*source++ = '\0'; /* cut off structure .. */
else
return absyn->main_elements;
}
-data1_absyn *data1_read_absyn (data1_handle dh, const char *file,
- int file_must_exist)
+static data1_absyn *data1_read_absyn(data1_handle dh, const char *file,
+ enum DATA1_XPATH_INDEXING default_xpath)
{
data1_sub_elements *cur_elements = NULL;
data1_xpelement *cur_xpelement = NULL;
+ data1_attset *attset_list = data1_empty_attset(dh);
+ data1_attset_child **attset_childp = &attset_list->children;
data1_absyn *res = 0;
FILE *f;
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 argc;
char *argv[50], line[512];
- if (!(f = data1_path_fopen(dh, file, "r")))
- {
- yaz_log(YLOG_WARN|YLOG_ERRNO, "Couldn't open %s", file);
- if (file_must_exist)
- return 0;
- }
+ f = data1_path_fopen(dh, file, "r");
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->xpath_indexing =
+ (f ? DATA1_XPATH_INDEXING_DISABLE : default_xpath);
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->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;
p = termlists;
if (*p != '-')
{
- assert (res->attset);
-
- if (parse_termlists (dh, &tp, p, file, lineno, name, res, 0))
+ if (parse_termlists (dh, &tp, p, file, lineno, name, res, 0,
+ attset_list))
{
fclose (f);
return 0;
int i;
char *p, *xpath_expr, *termlists;
const char *regexp;
- struct DFA *dfa = dfa = dfa_init();
+ struct DFA *dfa = 0;
data1_termlist **tp;
char melm_xpath[128];
+ data1_xpelement *xp_old = 0;
if (argc < 3)
{
}
termlists = argv[2];
regexp = mk_xpath_regexp(dh, xpath_expr);
- i = dfa_parse (dfa, ®exp);
- if (i || *regexp) {
- yaz_log(YLOG_WARN, "%s:%d: Bad xpath to xelm", file, lineno);
- dfa_delete (&dfa);
- continue;
- }
-
+
+#if OPTIMIZE_MELM
+ for (xp_old = res->xp_elements; xp_old; xp_old = xp_old->next)
+ if (!strcmp(xp_old->regexp, regexp))
+ break;
+#endif
+ if (!xp_old)
+ {
+ const char *regexp_ptr = regexp;
+
+ dfa = dfa_init();
+ i = dfa_parse (dfa, ®exp_ptr);
+ if (i || *regexp_ptr) {
+ yaz_log(YLOG_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));
cur_xpelement = cur_xpelement->next;
}
+#if OPTIMIZE_MELM
+ cur_xpelement->regexp = regexp;
+#endif
cur_xpelement->next = NULL;
cur_xpelement->xpath_expr = nmem_strdup(data1_nmem_get (dh),
xpath_expr);
- dfa_mkstate (dfa);
- cur_xpelement->dfa = dfa;
+ if (dfa)
+ dfa_mkstate (dfa);
+ cur_xpelement->dfa = dfa;
#ifdef ENHANCED_XELM
cur_xpelement->xpath_len =
p = termlists;
if (*p != '-')
{
- assert (res->attset);
-
if (parse_termlists (dh, &tp, p, file, lineno,
- xpath_expr, res, 1))
+ xpath_expr, res, 1, attset_list))
{
fclose (f);
return 0;
continue;
}
if (!strcmp(argv[1], "enable"))
- res->enable_xpath_indexing = 1;
+ res->xpath_indexing = DATA1_XPATH_INDEXING_ENABLE;
else if (!strcmp (argv[1], "disable"))
- res->enable_xpath_indexing = 0;
+ res->xpath_indexing = DATA1_XPATH_INDEXING_DISABLE;
else
{
yaz_log(YLOG_WARN, "%s:%d: Expecting disable/enable "
file, lineno);
continue;
}
- if (parse_termlists (dh, &tp, argv[1], file, lineno, 0, res, 0))
+ if (parse_termlists (dh, &tp, argv[1], file, lineno, 0, res, 0,
+ attset_list))
{
fclose (f);
return 0;
}
else if (!strcmp(cmd, "attset"))
{
-#if NATTR
- yaz_log(YLOG_WARN, "%s:%d: attset obsolete", file, lineno);
-#else
- char *name;
- data1_attset *attset;
-
- if (argc != 2)
- {
- yaz_log(YLOG_WARN, "%s:%d: Bad # of args to attset",
- file, lineno);
- continue;
- }
- name = argv[1];
- if (!(attset = data1_get_attset (dh, name)))
- {
- yaz_log(YLOG_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;
-#endif
+ char *name;
+ data1_attset *attset;
+
+ if (argc != 2)
+ {
+ yaz_log(YLOG_WARN, "%s:%d: Bad # of args to attset",
+ file, lineno);
+ continue;
+ }
+ name = argv[1];
+ if (!(attset = data1_get_attset (dh, name)))
+ {
+ yaz_log(YLOG_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"))
{
fix_element_ref (dh, res, cur_elements->elements);
}
*systagsp = 0;
- yaz_log(YLOG_DEBUG, "%s: data1_read_absyn end", file);
return res;
}
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
projects / idzebra-moved-to-github.git / blobdiff