-/*
- * Copyright (C) 1994-1996, Index Data I/S
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: zrpn.c,v $
- * Revision 1.59 1997-01-17 11:31:46 adam
- * Bug fix: complete phrase search didn't work.
- *
- * Revision 1.58 1996/12/23 15:30:45 adam
- * Work on truncation.
- * Bug fix: result sets weren't deleted after server shut down.
- *
- * Revision 1.57 1996/11/11 13:38:02 adam
- * Added proximity support in search.
- *
- * Revision 1.56 1996/11/08 11:10:32 adam
- * Buffers used during file match got bigger.
- * Compressed ISAM support everywhere.
- * Bug fixes regarding masking characters in queries.
- * Redesigned Regexp-2 queries.
- *
- * Revision 1.55 1996/11/04 14:07:44 adam
- * Moved truncation code to trunc.c.
- *
- * Revision 1.54 1996/10/29 14:09:52 adam
- * Use of cisam system - enabled if setting isamc is 1.
- *
- * Revision 1.53 1996/06/26 09:21:43 adam
- * Bug fix: local attribute set wasn't obeyed in scan.
- *
- * Revision 1.52 1996/06/17 14:26:20 adam
- * Function gen_regular_rel changed to handle negative numbers.
- *
- * Revision 1.51 1996/06/11 10:54:15 quinn
- * Relevance work
- *
- * Revision 1.50 1996/06/07 08:51:53 adam
- * Bug fix: Character mapping was broken (introducued by last revision).
- *
- * Revision 1.49 1996/06/04 10:18:11 adam
- * Search/scan uses character mapping module.
- *
- * Revision 1.48 1996/05/28 15:15:01 adam
- * Bug fix: Didn't handle unknown database correctly.
- *
- * Revision 1.47 1996/05/15 18:36:28 adam
- * Function trans_term transforms unsearchable characters to blanks.
- *
- * Revision 1.46 1996/05/15 11:57:56 adam
- * Fixed bug introduced by set/field mapping in search operations.
- *
- * Revision 1.45 1996/05/14 11:34:00 adam
- * Scan support in multiple registers/databases.
- *
- * Revision 1.44 1996/05/14 06:16:44 adam
- * Compact use/set bytes used in search service.
- *
- * Revision 1.43 1996/05/09 09:54:43 adam
- * Server supports maps from one logical attributes to a list of physical
- * attributes.
- * The extraction process doesn't make space consuming 'any' keys.
- *
- * Revision 1.42 1996/05/09 07:28:56 quinn
- * Work towards phrases and multiple registers
- *
- * Revision 1.41 1996/03/20 09:36:43 adam
- * Function dict_lookup_grep got extra parameter, init_pos, which marks
- * from which position in pattern approximate pattern matching should occur.
- * Approximate pattern matching is used in relevance=re-2.
- *
- * Revision 1.40 1996/02/02 13:44:44 adam
- * The public dictionary functions simply use char instead of Dict_char
- * to represent search strings. Dict_char is used internally only.
- *
- * Revision 1.39 1996/01/03 16:22:13 quinn
- * operator->roperator
- *
- * Revision 1.38 1995/12/11 09:12:55 adam
- * The rec_get function returns NULL if record doesn't exist - will
- * happen in the server if the result set records have been deleted since
- * the creation of the set (i.e. the search).
- * The server saves a result temporarily if it is 'volatile', i.e. the
- * set is register dependent.
- *
- * Revision 1.37 1995/12/06 15:05:28 adam
- * More verbose in count_set.
- *
- * Revision 1.36 1995/12/06 12:41:27 adam
- * New command 'stat' for the index program.
- * Filenames can be read from stdin by specifying '-'.
- * Bug fix/enhancement of the transformation from terms to regular
- * expressons in the search engine.
- *
- * Revision 1.35 1995/11/27 09:29:00 adam
- * Bug fixes regarding conversion to regular expressions.
- *
- * Revision 1.34 1995/11/16 17:00:56 adam
- * Better logging of rpn query.
- *
- * Revision 1.33 1995/11/01 13:58:28 quinn
- * Moving data1 to yaz/retrieval
- *
- * Revision 1.32 1995/10/27 14:00:11 adam
- * Implemented detection of database availability.
- *
- * Revision 1.31 1995/10/17 18:02:10 adam
- * New feature: databases. Implemented as prefix to words in dictionary.
- *
- * Revision 1.30 1995/10/16 09:32:38 adam
- * More work on relational op.
- *
- * Revision 1.29 1995/10/13 16:01:49 adam
- * Work on relations.
- *
- * Revision 1.28 1995/10/13 12:26:43 adam
- * Optimization of truncation.
- *
- * Revision 1.27 1995/10/12 17:07:22 adam
- * Truncation works.
- *
- * Revision 1.26 1995/10/12 12:40:54 adam
- * Bug fixes in rpn_prox.
- *
- * Revision 1.25 1995/10/10 13:59:24 adam
- * Function rset_open changed its wflag parameter to general flags.
- *
- * Revision 1.24 1995/10/09 16:18:37 adam
- * Function dict_lookup_grep got extra client data parameter.
- *
- * Revision 1.23 1995/10/06 16:33:37 adam
- * Use attribute mappings.
- *
- * Revision 1.22 1995/10/06 15:07:39 adam
- * Structure 'local-number' handled.
- *
- * Revision 1.21 1995/10/06 13:52:06 adam
- * Bug fixes. Handler may abort further scanning.
- *
- * Revision 1.20 1995/10/06 11:06:33 adam
- * Scan entries include 'occurrences' now.
- *
- * Revision 1.19 1995/10/06 10:43:56 adam
- * Scan added. 'occurrences' in scan entries not set yet.
- *
- * Revision 1.18 1995/10/04 16:57:20 adam
- * Key input and merge sort in one pass.
- *
- * Revision 1.17 1995/10/04 12:55:17 adam
- * Bug fix in ranked search. Use=Any keys inserted.
- *
- * Revision 1.16 1995/10/02 16:24:40 adam
- * Use attribute actually used in search requests.
- *
- * Revision 1.15 1995/10/02 15:18:52 adam
- * New member in recRetrieveCtrl: diagnostic.
- *
- * Revision 1.14 1995/09/28 12:10:32 adam
- * Bug fixes. Field prefix used in queries.
- *
- * Revision 1.13 1995/09/18 14:17:50 adam
- * Minor changes.
- *
- * Revision 1.12 1995/09/15 14:45:21 adam
- * Retrieve control.
- * Work on truncation.
- *
- * Revision 1.11 1995/09/14 11:53:27 adam
- * First work on regular expressions/truncations.
- *
- * Revision 1.10 1995/09/11 15:23:26 adam
- * More work on relevance search.
- *
- * Revision 1.9 1995/09/11 13:09:35 adam
- * More work on relevance feedback.
- *
- * Revision 1.8 1995/09/08 14:52:27 adam
- * Minor changes. Dictionary is lower case now.
- *
- * Revision 1.7 1995/09/07 13:58:36 adam
- * New parameter: result-set file descriptor (RSFD) to support multiple
- * positions within the same result-set.
- * Boolean operators: and, or, not implemented.
- * Result-set references.
- *
- * Revision 1.6 1995/09/06 16:11:18 adam
- * Option: only one word key per file.
- *
- * Revision 1.5 1995/09/06 10:33:04 adam
- * More work on present. Some log messages removed.
- *
- * Revision 1.4 1995/09/05 15:28:40 adam
- * More work on search engine.
- *
- * Revision 1.3 1995/09/04 15:20:22 adam
- * Minor changes.
- *
- * Revision 1.2 1995/09/04 12:33:43 adam
- * Various cleanup. YAZ util used instead.
- *
- * Revision 1.1 1995/09/04 09:10:40 adam
- * More work on index add/del/update.
- * Merge sort implemented.
- * Initial work on z39 server.
- *
- */
+/* $Id: zrpn.c,v 1.152 2004-09-14 14:38:07 quinn Exp $
+ Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004
+ 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>
+#ifdef WIN32
+#include <io.h>
+#else
#include <unistd.h>
+#endif
#include <ctype.h>
-#include "zserver.h"
-#include "attribute.h"
+#include "index.h"
+#include <zebra_xpath.h>
#include <charmap.h>
-#include <rstemp.h>
-#include <rsnull.h>
-#include <rsbool.h>
-#include <rsrel.h>
+#include <rset.h>
+
+
+static const struct key_control it_ctrl = {
+ sizeof(struct it_key),
+ 2, /* we have sysnos and seqnos in this key, nothing more */
+ key_compare_it,
+ key_logdump_txt, /* FIXME - clean up these functions */
+ key_get_seq,
+};
+
+
+const struct key_control *key_it_ctrl = &it_ctrl;
+
+struct rpn_char_map_info {
+ ZebraMaps zm;
+ int reg_type;
+};
typedef struct {
int type;
Z_AttributesPlusTerm *zapt;
} AttrType;
-static int attr_find (AttrType *src, oid_value *attributeSetP)
+
+static const char **rpn_char_map_handler (void *vp, const char **from, int len)
+{
+ struct rpn_char_map_info *p = (struct rpn_char_map_info *) vp;
+ const char **out = zebra_maps_input (p->zm, p->reg_type, from, len, 0);
+#if 0
+ if (out && *out)
+ {
+ const char *outp = *out;
+ yaz_log (LOG_LOG, "---");
+ while (*outp)
+ {
+ yaz_log (LOG_LOG, "%02X", *outp);
+ outp++;
+ }
+ }
+#endif
+ return out;
+}
+
+static void rpn_char_map_prepare (struct zebra_register *reg, int reg_type,
+ struct rpn_char_map_info *map_info)
+{
+ map_info->zm = reg->zebra_maps;
+ map_info->reg_type = reg_type;
+ dict_grep_cmap (reg->dict, map_info, rpn_char_map_handler);
+}
+
+static int attr_find_ex (AttrType *src, oid_value *attributeSetP,
+ const char **string_value)
{
- while (src->major < src->zapt->num_attributes)
+ int num_attributes;
+
+ num_attributes = src->zapt->attributes->num_attributes;
+ while (src->major < num_attributes)
{
Z_AttributeElement *element;
- element = src->zapt->attributeList[src->major];
+ element = src->zapt->attributes->attributes[src->major];
if (src->type == *element->attributeType)
{
switch (element->which)
return *element->value.numeric;
break;
case Z_AttributeValue_complex:
- if (src->minor >= element->value.complex->num_list ||
- element->value.complex->list[src->minor]->which !=
- Z_StringOrNumeric_numeric)
+ if (src->minor >= element->value.complex->num_list)
break;
- ++(src->minor);
if (element->attributeSet && attributeSetP)
{
oident *attrset;
-
+
attrset = oid_getentbyoid (element->attributeSet);
*attributeSetP = attrset->value;
}
- return *element->value.complex->list[src->minor-1]->u.numeric;
+ if (element->value.complex->list[src->minor]->which ==
+ Z_StringOrNumeric_numeric)
+ {
+ ++(src->minor);
+ return
+ *element->value.complex->list[src->minor-1]->u.numeric;
+ }
+ else if (element->value.complex->list[src->minor]->which ==
+ Z_StringOrNumeric_string)
+ {
+ if (!string_value)
+ break;
+ ++(src->minor);
+ *string_value =
+ element->value.complex->list[src->minor-1]->u.string;
+ return -2;
+ }
+ else
+ break;
default:
assert (0);
}
return -1;
}
+static int attr_find (AttrType *src, oid_value *attributeSetP)
+{
+ return attr_find_ex (src, attributeSetP, 0);
+}
+
static void attr_init (AttrType *src, Z_AttributesPlusTerm *zapt,
int type)
{
#ifdef TERM_COUNT
int *term_no;
#endif
- ISAM_P *isam_p_buf;
+ ISAMC_P *isam_p_buf;
int isam_p_size;
- int isam_p_indx;
+ int isam_p_indx;
+ ZebraHandle zh;
+ int reg_type;
+ ZebraSet termset;
};
-static void add_isam_p (const char *info, struct grep_info *p)
+static void term_untrans (ZebraHandle zh, int reg_type,
+ char *dst, const char *src)
+{
+ int len = 0;
+ while (*src)
+ {
+ const char *cp = zebra_maps_output (zh->reg->zebra_maps,
+ reg_type, &src);
+ if (!cp && len < IT_MAX_WORD-1)
+ dst[len++] = *src++;
+ else
+ while (*cp && len < IT_MAX_WORD-1)
+ dst[len++] = *cp++;
+ }
+ dst[len] = '\0';
+}
+
+static void add_isam_p (const char *name, const char *info,
+ struct grep_info *p)
{
if (p->isam_p_indx == p->isam_p_size)
{
- ISAM_P *new_isam_p_buf;
+ ISAMC_P *new_isam_p_buf;
#ifdef TERM_COUNT
int *new_term_no;
-#endif
-
+#endif
p->isam_p_size = 2*p->isam_p_size + 100;
- new_isam_p_buf = xmalloc (sizeof(*new_isam_p_buf) *
- p->isam_p_size);
+ new_isam_p_buf = (ISAMC_P *) xmalloc (sizeof(*new_isam_p_buf) *
+ p->isam_p_size);
if (p->isam_p_buf)
{
memcpy (new_isam_p_buf, p->isam_p_buf,
p->isam_p_buf = new_isam_p_buf;
#ifdef TERM_COUNT
- new_term_no = xmalloc (sizeof(*new_term_no) *
- p->isam_p_size);
+ new_term_no = (int *) xmalloc (sizeof(*new_term_no) *
+ p->isam_p_size);
if (p->term_no)
{
memcpy (new_term_no, p->isam_p_buf,
}
assert (*info == sizeof(*p->isam_p_buf));
memcpy (p->isam_p_buf + p->isam_p_indx, info+1, sizeof(*p->isam_p_buf));
+
+#if 1
+ if (p->termset)
+ {
+ const char *db;
+ int set, use;
+ char term_tmp[IT_MAX_WORD];
+ int su_code = 0;
+ int len = key_SU_decode (&su_code, name);
+
+ term_untrans (p->zh, p->reg_type, term_tmp, name+len+1);
+ logf (LOG_LOG, "grep: %d %c %s", su_code, name[len], term_tmp);
+ zebraExplain_lookup_ord (p->zh->reg->zei,
+ su_code, &db, &set, &use);
+ logf (LOG_LOG, "grep: set=%d use=%d db=%s", set, use, db);
+
+ resultSetAddTerm (p->zh, p->termset, name[len], db,
+ set, use, term_tmp);
+ }
+#endif
(p->isam_p_indx)++;
}
static int grep_handle (char *name, const char *info, void *p)
{
- add_isam_p (info, p);
+ add_isam_p (name, info, (struct grep_info *) p);
return 0;
}
-static int term_pre (char **src, const char *ct1, const char *ct2)
+static int term_pre (ZebraMaps zebra_maps, int reg_type, const char **src,
+ const char *ct1, const char *ct2, int first)
{
- char *s1, *s0 = *src;
- char **map;
+ const char *s1, *s0 = *src;
+ const char **map;
/* skip white space */
while (*s0)
if (ct2 && strchr (ct2, *s0))
break;
s1 = s0;
- map = map_chrs_input (&s1, strlen(s1));
+ map = zebra_maps_input (zebra_maps, reg_type, &s1, strlen(s1), first);
if (**map != *CHR_SPACE)
break;
s0 = s1;
return *s0;
}
-static int term_100 (char **src, char *dst, int space_split)
+#define REGEX_CHARS " []()|.*+?!"
+
+/* term_100: handle term, where trunc=none (no operators at all) */
+static int term_100 (ZebraMaps zebra_maps, int reg_type,
+ const char **src, char *dst, int space_split,
+ char *dst_term)
{
- char *s0, *s1, **map;
+ const char *s0, *s1;
+ const char **map;
int i = 0;
+ int j = 0;
+
+ const char *space_start = 0;
+ const char *space_end = 0;
- if (!term_pre (src, NULL, NULL))
+ if (!term_pre (zebra_maps, reg_type, src, NULL, NULL, !space_split))
return 0;
s0 = *src;
while (*s0)
{
s1 = s0;
- map = map_chrs_input (&s0, strlen(s0));
- if (space_split && **map == *CHR_SPACE)
- break;
+ map = zebra_maps_input (zebra_maps, reg_type, &s0, strlen(s0), 0);
+ if (space_split)
+ {
+ if (**map == *CHR_SPACE)
+ break;
+ }
+ else /* complete subfield only. */
+ {
+ if (**map == *CHR_SPACE)
+ { /* save space mapping for later .. */
+ space_start = s1;
+ space_end = s0;
+ continue;
+ }
+ else if (space_start)
+ { /* reload last space */
+ while (space_start < space_end)
+ {
+ if (strchr (REGEX_CHARS, *space_start))
+ dst[i++] = '\\';
+ dst_term[j++] = *space_start;
+ dst[i++] = *space_start++;
+ }
+ /* and reset */
+ space_start = space_end = 0;
+ }
+ }
+ /* add non-space char */
while (s1 < s0)
{
- if (!isalnum (*s1))
+ if (strchr(REGEX_CHARS, *s1))
dst[i++] = '\\';
+ dst_term[j++] = *s1;
dst[i++] = *s1++;
}
}
dst[i] = '\0';
+ dst_term[j] = '\0';
*src = s0;
return i;
}
-static int term_101 (char **src, char *dst, int space_split)
+/* term_101: handle term, where trunc=Process # */
+static int term_101 (ZebraMaps zebra_maps, int reg_type,
+ const char **src, char *dst, int space_split,
+ char *dst_term)
{
- char *s0, *s1, **map;
+ const char *s0, *s1;
+ const char **map;
int i = 0;
+ int j = 0;
- if (!term_pre (src, "#", "#"))
+ if (!term_pre (zebra_maps, reg_type, src, "#", "#", !space_split))
return 0;
s0 = *src;
while (*s0)
{
dst[i++] = '.';
dst[i++] = '*';
- s0++;
+ dst_term[j++] = *s0++;
}
else
{
s1 = s0;
- map = map_chrs_input (&s0, strlen(s0));
+ map = zebra_maps_input (zebra_maps, reg_type, &s0, strlen(s0), 0);
if (space_split && **map == *CHR_SPACE)
break;
while (s1 < s0)
{
- if (!isalnum (*s1))
+ if (strchr(REGEX_CHARS, *s1))
dst[i++] = '\\';
+ dst_term[j++] = *s1;
dst[i++] = *s1++;
}
}
}
dst[i] = '\0';
+ dst_term[j++] = '\0';
*src = s0;
return i;
}
-
-static int term_103 (char **src, char *dst, int *errors, int space_split)
+/* term_103: handle term, where trunc=re-2 (regular expressions) */
+static int term_103 (ZebraMaps zebra_maps, int reg_type, const char **src,
+ char *dst, int *errors, int space_split,
+ char *dst_term)
{
int i = 0;
- char *s0, *s1, **map;
+ int j = 0;
+ const char *s0, *s1;
+ const char **map;
- if (!term_pre (src, "\\()[].*+?|", "("))
+ if (!term_pre (zebra_maps, reg_type, src, "^\\()[].*+?|", "(", !space_split))
return 0;
s0 = *src;
if (errors && *s0 == '+' && s0[1] && s0[2] == '+' && s0[3] &&
}
while (*s0)
{
- if (strchr ("\\()[].*+?|-", *s0))
+ if (strchr ("^\\()[].*+?|-", *s0))
+ {
+ dst_term[j++] = *s0;
dst[i++] = *s0++;
+ }
else
{
s1 = s0;
- map = map_chrs_input (&s0, strlen(s0));
+ map = zebra_maps_input (zebra_maps, reg_type, &s0, strlen(s0), 0);
if (**map == *CHR_SPACE)
break;
while (s1 < s0)
{
- if (!isalnum (*s1))
+ if (strchr(REGEX_CHARS, *s1))
+ dst[i++] = '\\';
+ dst_term[j++] = *s1;
+ dst[i++] = *s1++;
+ }
+ }
+ }
+ dst[i] = '\0';
+ dst_term[j] = '\0';
+ *src = s0;
+ return i;
+}
+
+/* term_103: handle term, where trunc=re-1 (regular expressions) */
+static int term_102 (ZebraMaps zebra_maps, int reg_type, const char **src,
+ char *dst, int space_split, char *dst_term)
+{
+ return term_103 (zebra_maps, reg_type, src, dst, NULL, space_split,
+ dst_term);
+}
+
+
+/* term_104: handle term, where trunc=Process # and ! */
+static int term_104 (ZebraMaps zebra_maps, int reg_type,
+ const char **src, char *dst, int space_split,
+ char *dst_term)
+{
+ const char *s0, *s1;
+ const char **map;
+ int i = 0;
+ int j = 0;
+
+ if (!term_pre (zebra_maps, reg_type, src, "?*#", "?*#", !space_split))
+ return 0;
+ s0 = *src;
+ while (*s0)
+ {
+ if (*s0 == '?')
+ {
+ dst_term[j++] = *s0++;
+ if (*s0 >= '0' && *s0 <= '9')
+ {
+ int limit = 0;
+ while (*s0 >= '0' && *s0 <= '9')
+ {
+ limit = limit * 10 + (*s0 - '0');
+ dst_term[j++] = *s0++;
+ }
+ if (limit > 20)
+ limit = 20;
+ while (--limit >= 0)
+ {
+ dst[i++] = '.';
+ dst[i++] = '?';
+ }
+ }
+ else
+ {
+ dst[i++] = '.';
+ dst[i++] = '*';
+ }
+ }
+ else if (*s0 == '*')
+ {
+ dst[i++] = '.';
+ dst[i++] = '*';
+ dst_term[j++] = *s0++;
+ }
+ else if (*s0 == '#')
+ {
+ dst[i++] = '.';
+ dst_term[j++] = *s0++;
+ }
+ {
+ s1 = s0;
+ map = zebra_maps_input (zebra_maps, reg_type, &s0, strlen(s0), 0);
+ if (space_split && **map == *CHR_SPACE)
+ break;
+ while (s1 < s0)
+ {
+ if (strchr(REGEX_CHARS, *s1))
dst[i++] = '\\';
+ dst_term[j++] = *s1;
dst[i++] = *s1++;
}
}
}
dst[i] = '\0';
+ dst_term[j++] = '\0';
*src = s0;
return i;
}
-static int term_102 (char **src, char *dst, int space_split)
+/* term_105/106: handle term, where trunc=Process * and ! and right trunc */
+static int term_105 (ZebraMaps zebra_maps, int reg_type,
+ const char **src, char *dst, int space_split,
+ char *dst_term, int right_truncate)
{
- return term_103 (src, dst, NULL, space_split);
+ const char *s0, *s1;
+ const char **map;
+ int i = 0;
+ int j = 0;
+
+ if (!term_pre (zebra_maps, reg_type, src, "*!", "*!", !space_split))
+ return 0;
+ s0 = *src;
+ while (*s0)
+ {
+ if (*s0 == '*')
+ {
+ dst[i++] = '.';
+ dst[i++] = '*';
+ dst_term[j++] = *s0++;
+ }
+ else if (*s0 == '!')
+ {
+ dst[i++] = '.';
+ dst_term[j++] = *s0++;
+ }
+ {
+ s1 = s0;
+ map = zebra_maps_input (zebra_maps, reg_type, &s0, strlen(s0), 0);
+ if (space_split && **map == *CHR_SPACE)
+ break;
+ while (s1 < s0)
+ {
+ if (strchr(REGEX_CHARS, *s1))
+ dst[i++] = '\\';
+ dst_term[j++] = *s1;
+ dst[i++] = *s1++;
+ }
+ }
+ }
+ if (right_truncate)
+ {
+ dst[i++] = '.';
+ dst[i++] = '*';
+ }
+ dst[i] = '\0';
+
+ dst_term[j++] = '\0';
+ *src = s0;
+ return i;
}
+
/* gen_regular_rel - generate regular expression from relation
* val: border value (inclusive)
* islt: 1 if <=; 0 if >=.
if (val >= 0)
{
if (islt)
- strcpy (dst, "(-[0-9]+|");
+ strcpy (dst, "(-[0-9]+|(");
else
- strcpy (dst, "(");
+ strcpy (dst, "((");
}
else
{
if (!islt)
{
- strcpy (dst, "([0-9]+|-");
+ strcpy (dst, "([0-9]+|-(");
dst_p = strlen (dst);
islt = 1;
}
else
{
- strcpy (dst, "(-");
+ strcpy (dst, "(-(");
islt = 0;
}
val = -val;
dst[dst_p] = '\0';
if (islt)
{
+ /* match everything less than 10^(pos-1) */
+ strcat (dst, "0*");
for (i=1; i<pos; i++)
strcat (dst, "[0-9]?");
}
else
{
+ /* match everything greater than 10^pos */
for (i = 0; i <= pos; i++)
strcat (dst, "[0-9]");
strcat (dst, "[0-9]*");
}
- strcat (dst, ")");
+ strcat (dst, "))");
+}
+
+void string_rel_add_char (char **term_p, const char *src, int *indx)
+{
+ if (src[*indx] == '\\')
+ *(*term_p)++ = src[(*indx)++];
+ *(*term_p)++ = src[(*indx)++];
}
-static int relational_term (ZServerInfo *zi, Z_AttributesPlusTerm *zapt,
- char **term_sub,
- char *term_dict,
+/*
+ * > abc ([b-].*|a[c-].*|ab[d-].*|abc.+)
+ * ([^-a].*|a[^-b].*ab[^-c].*|abc.+)
+ * >= abc ([b-].*|a[c-].*|ab[c-].*)
+ * ([^-a].*|a[^-b].*|ab[c-].*)
+ * < abc ([-0].*|a[-a].*|ab[-b].*)
+ * ([^a-].*|a[^b-].*|ab[^c-].*)
+ * <= abc ([-0].*|a[-a].*|ab[-b].*|abc)
+ * ([^a-].*|a[^b-].*|ab[^c-].*|abc)
+ */
+static int string_relation (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ const char **term_sub, char *term_dict,
oid_value attributeSet,
- struct grep_info *grep_info,
- int *max_pos)
+ int reg_type, int space_split, char *term_dst)
{
AttrType relation;
int relation_value;
- int term_value;
- int r;
+ int i;
+ char *term_tmp = term_dict + strlen(term_dict);
+ char term_component[2*IT_MAX_WORD+20];
attr_init (&relation, zapt, 2);
relation_value = attr_find (&relation, NULL);
+ logf (LOG_DEBUG, "string relation value=%d", relation_value);
switch (relation_value)
{
case 1:
- if (!term_100 (term_sub, term_dict, 1))
+ if (!term_100 (zh->reg->zebra_maps, reg_type,
+ term_sub, term_component,
+ space_split, term_dst))
return 0;
- term_value = atoi (term_dict);
- if (term_value <= 0)
- return 1;
logf (LOG_DEBUG, "Relation <");
- gen_regular_rel (term_dict + strlen(term_dict), term_value-1, 1);
+
+ *term_tmp++ = '(';
+ for (i = 0; term_component[i]; )
+ {
+ int j = 0;
+
+ if (i)
+ *term_tmp++ = '|';
+ while (j < i)
+ string_rel_add_char (&term_tmp, term_component, &j);
+
+ *term_tmp++ = '[';
+
+ *term_tmp++ = '^';
+ string_rel_add_char (&term_tmp, term_component, &i);
+ *term_tmp++ = '-';
+
+ *term_tmp++ = ']';
+ *term_tmp++ = '.';
+ *term_tmp++ = '*';
+
+ if ((term_tmp - term_dict) > IT_MAX_WORD)
+ break;
+ }
+ *term_tmp++ = ')';
+ *term_tmp = '\0';
break;
case 2:
- if (!term_100 (term_sub, term_dict, 1))
+ if (!term_100 (zh->reg->zebra_maps, reg_type,
+ term_sub, term_component,
+ space_split, term_dst))
return 0;
- term_value = atoi (term_dict);
- if (term_value < 0)
- return 1;
logf (LOG_DEBUG, "Relation <=");
- gen_regular_rel (term_dict + strlen(term_dict), term_value, 1);
- break;
- case 4:
- if (!term_100 (term_sub, term_dict, 1))
- return 0;
- term_value = atoi (term_dict);
- if (term_value < 0)
- term_value = 0;
- logf (LOG_DEBUG, "Relation >=");
- gen_regular_rel (term_dict + strlen(term_dict), term_value, 0);
+
+ *term_tmp++ = '(';
+ for (i = 0; term_component[i]; )
+ {
+ int j = 0;
+
+ while (j < i)
+ string_rel_add_char (&term_tmp, term_component, &j);
+ *term_tmp++ = '[';
+
+ *term_tmp++ = '^';
+ string_rel_add_char (&term_tmp, term_component, &i);
+ *term_tmp++ = '-';
+
+ *term_tmp++ = ']';
+ *term_tmp++ = '.';
+ *term_tmp++ = '*';
+
+ *term_tmp++ = '|';
+
+ if ((term_tmp - term_dict) > IT_MAX_WORD)
+ break;
+ }
+ for (i = 0; term_component[i]; )
+ string_rel_add_char (&term_tmp, term_component, &i);
+ *term_tmp++ = ')';
+ *term_tmp = '\0';
break;
case 5:
- if (!term_100 (term_sub, term_dict, 1))
+ if (!term_100 (zh->reg->zebra_maps, reg_type,
+ term_sub, term_component, space_split, term_dst))
return 0;
- term_value = atoi (term_dict);
- if (term_value < 0)
- term_value = 0;
logf (LOG_DEBUG, "Relation >");
- gen_regular_rel (term_dict + strlen(term_dict), term_value+1, 0);
+
+ *term_tmp++ = '(';
+ for (i = 0; term_component[i];)
+ {
+ int j = 0;
+
+ while (j < i)
+ string_rel_add_char (&term_tmp, term_component, &j);
+ *term_tmp++ = '[';
+
+ *term_tmp++ = '^';
+ *term_tmp++ = '-';
+ string_rel_add_char (&term_tmp, term_component, &i);
+
+ *term_tmp++ = ']';
+ *term_tmp++ = '.';
+ *term_tmp++ = '*';
+
+ *term_tmp++ = '|';
+
+ if ((term_tmp - term_dict) > IT_MAX_WORD)
+ break;
+ }
+ for (i = 0; term_component[i];)
+ string_rel_add_char (&term_tmp, term_component, &i);
+ *term_tmp++ = '.';
+ *term_tmp++ = '+';
+ *term_tmp++ = ')';
+ *term_tmp = '\0';
+ break;
+ case 4:
+ if (!term_100 (zh->reg->zebra_maps, reg_type, term_sub,
+ term_component, space_split, term_dst))
+ return 0;
+ logf (LOG_DEBUG, "Relation >=");
+
+ *term_tmp++ = '(';
+ for (i = 0; term_component[i];)
+ {
+ int j = 0;
+
+ if (i)
+ *term_tmp++ = '|';
+ while (j < i)
+ string_rel_add_char (&term_tmp, term_component, &j);
+ *term_tmp++ = '[';
+
+ if (term_component[i+1])
+ {
+ *term_tmp++ = '^';
+ *term_tmp++ = '-';
+ string_rel_add_char (&term_tmp, term_component, &i);
+ }
+ else
+ {
+ string_rel_add_char (&term_tmp, term_component, &i);
+ *term_tmp++ = '-';
+ }
+ *term_tmp++ = ']';
+ *term_tmp++ = '.';
+ *term_tmp++ = '*';
+
+ if ((term_tmp - term_dict) > IT_MAX_WORD)
+ break;
+ }
+ *term_tmp++ = ')';
+ *term_tmp = '\0';
break;
+ case 3:
default:
- return 0;
+ logf (LOG_DEBUG, "Relation =");
+ if (!term_100 (zh->reg->zebra_maps, reg_type, term_sub,
+ term_component, space_split, term_dst))
+ return 0;
+ strcat (term_tmp, "(");
+ strcat (term_tmp, term_component);
+ strcat (term_tmp, ")");
}
- logf (LOG_DEBUG, "dict_lookup_grep: %s", term_dict);
- r = dict_lookup_grep (zi->dict, term_dict, 0, grep_info, max_pos,
- 0, grep_handle);
- if (r)
- logf (LOG_WARN, "dict_lookup_grep fail, rel=gt: %d", r);
- logf (LOG_DEBUG, "%d positions", grep_info->isam_p_indx);
return 1;
}
-static int field_term (ZServerInfo *zi, Z_AttributesPlusTerm *zapt,
- char **term_sub, int regType,
- oid_value attributeSet, struct grep_info *grep_info,
- int num_bases, char **basenames, int space_split)
+static int string_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ const char **term_sub,
+ oid_value attributeSet, NMEM stream,
+ struct grep_info *grep_info,
+ int reg_type, int complete_flag,
+ int num_bases, char **basenames,
+ char *term_dst, int xpath_use);
+
+static RSET term_trunc (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ const char **term_sub,
+ oid_value attributeSet, NMEM stream,
+ struct grep_info *grep_info,
+ int reg_type, int complete_flag,
+ int num_bases, char **basenames,
+ char *term_dst,
+ const char *rank_type, int xpath_use,
+ NMEM rset_nmem)
{
- char term_dict[2*IT_MAX_WORD+2];
+ int r;
+ grep_info->isam_p_indx = 0;
+ r = string_term (zh, zapt, term_sub, attributeSet, stream, grep_info,
+ reg_type, complete_flag, num_bases, basenames,
+ term_dst, xpath_use);
+ if (r < 1)
+ return 0;
+ logf (LOG_DEBUG, "term: %s", term_dst);
+ return rset_trunc (zh, grep_info->isam_p_buf,
+ grep_info->isam_p_indx, term_dst,
+ strlen(term_dst), rank_type, 1 /* preserve pos */,
+ zapt->term->which, rset_nmem,
+ key_it_ctrl,key_it_ctrl->scope);
+}
+
+
+static int string_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ const char **term_sub,
+ oid_value attributeSet, NMEM stream,
+ struct grep_info *grep_info,
+ int reg_type, int complete_flag,
+ int num_bases, char **basenames,
+ char *term_dst, int xpath_use)
+{
+ char term_dict[2*IT_MAX_WORD+4000];
int j, r, base_no;
AttrType truncation;
int truncation_value;
AttrType use;
int use_value;
+ const char *use_string = 0;
oid_value curAttributeSet = attributeSet;
- char *termp;
+ const char *termp;
+ struct rpn_char_map_info rcmi;
+ int space_split = complete_flag ? 0 : 1;
+ int bases_ok = 0; /* no of databases with OK attribute */
+ int errCode = 0; /* err code (if any is not OK) */
+ char *errString = 0; /* addinfo */
+
+ rpn_char_map_prepare (zh->reg, reg_type, &rcmi);
attr_init (&use, zapt, 1);
- use_value = attr_find (&use, &curAttributeSet);
- logf (LOG_DEBUG, "field_term, use value %d", use_value);
+ use_value = attr_find_ex (&use, &curAttributeSet, &use_string);
+ logf (LOG_DEBUG, "string_term, use value %d", use_value);
attr_init (&truncation, zapt, 5);
truncation_value = attr_find (&truncation, NULL);
logf (LOG_DEBUG, "truncation value %d", truncation_value);
- if (use_value == -1)
+ if (use_value == -1) /* no attribute - assumy "any" */
use_value = 1016;
-
for (base_no = 0; base_no < num_bases; base_no++)
{
- attent *attp;
+ attent attp;
+ data1_local_attribute id_xpath_attr;
data1_local_attribute *local_attr;
int max_pos, prefix_len = 0;
termp = *term_sub;
- attp = att_getentbyatt (curAttributeSet, use_value);
- if (!attp)
+
+ if (zebraExplain_curDatabase (zh->reg->zei, basenames[base_no]))
{
- logf (LOG_DEBUG, "att_getentbyatt fail. set=%d use=%d",
- curAttributeSet, use_value);
- zi->errCode = 114;
+ zh->errCode = 109; /* Database unavailable */
+ zh->errString = basenames[base_no];
return -1;
}
- if (zebTargetInfo_curDatabase (zi->zti, basenames[base_no]))
+ if (xpath_use > 0 && use_value == -2)
{
- zi->errCode = 109; /* Database unavailable */
- zi->errString = basenames[base_no];
- return -1;
+ use_value = xpath_use;
+ attp.local_attributes = &id_xpath_attr;
+ attp.attset_ordinal = VAL_IDXPATH;
+ id_xpath_attr.next = 0;
+ id_xpath_attr.local = use_value;
+ }
+ else if (curAttributeSet == VAL_IDXPATH)
+ {
+ attp.local_attributes = &id_xpath_attr;
+ attp.attset_ordinal = VAL_IDXPATH;
+ id_xpath_attr.next = 0;
+ id_xpath_attr.local = use_value;
+ }
+ else
+ {
+ if ((r=att_getentbyatt (zh, &attp, curAttributeSet, use_value,
+ use_string)))
+ {
+ logf (LOG_DEBUG, "att_getentbyatt fail. set=%d use=%d r=%d",
+ curAttributeSet, use_value, r);
+ if (r == -1)
+ {
+ /* set was found, but value wasn't defined */
+ errCode = 114;
+ if (use_string)
+ errString = nmem_strdup(stream, use_string);
+ else
+ {
+ char val_str[32];
+ sprintf (val_str, "%d", use_value);
+ errString = nmem_strdup (stream, val_str);
+ }
+ }
+ else
+ {
+ int oid[OID_SIZE];
+ struct oident oident;
+
+ oident.proto = PROTO_Z3950;
+ oident.oclass = CLASS_ATTSET;
+ oident.value = curAttributeSet;
+ oid_ent_to_oid (&oident, oid);
+
+ errCode = 121;
+ errString = nmem_strdup (stream, oident.desc);
+ }
+ continue;
+ }
}
- for (local_attr = attp->local_attributes; local_attr;
+ for (local_attr = attp.local_attributes; local_attr;
local_attr = local_attr->next)
{
int ord;
-
- ord = zebTargetInfo_lookupSU (zi->zti, attp->attset_ordinal,
- local_attr->local);
+ char ord_buf[32];
+ int i, ord_len;
+
+ ord = zebraExplain_lookupSU (zh->reg->zei, attp.attset_ordinal,
+ local_attr->local);
if (ord < 0)
continue;
if (prefix_len)
term_dict[prefix_len++] = '|';
else
term_dict[prefix_len++] = '(';
- term_dict[prefix_len++] = 1;
- term_dict[prefix_len++] = ord;
+
+ ord_len = key_SU_encode (ord, ord_buf);
+ for (i = 0; i<ord_len; i++)
+ {
+ term_dict[prefix_len++] = 1;
+ term_dict[prefix_len++] = ord_buf[i];
+ }
}
if (!prefix_len)
{
- zi->errCode = 114;
- return -1;
+#if 1
+ bases_ok++;
+#else
+ char val_str[32];
+ sprintf (val_str, "%d", use_value);
+ errCode = 114;
+ errString = nmem_strdup (stream, val_str);
+#endif
+ continue;
}
- term_dict[prefix_len++] = ')';
+ bases_ok++; /* this has OK attributes */
+
+ term_dict[prefix_len++] = ')';
term_dict[prefix_len++] = 1;
- term_dict[prefix_len++] = regType;
+ term_dict[prefix_len++] = reg_type;
+ logf (LOG_DEBUG, "reg_type = %d", term_dict[prefix_len-1]);
term_dict[prefix_len] = '\0';
- if (!relational_term (zi, zapt, &termp, term_dict,
- attributeSet, grep_info, &max_pos))
+ j = prefix_len;
+ switch (truncation_value)
{
- j = prefix_len;
- logf (LOG_LOG, "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
- switch (truncation_value)
- {
- case -1: /* not specified */
- case 100: /* do not truncate */
- term_dict[j++] = '(';
- logf (LOG_LOG, "termp=%s", termp);
- if (!term_100 (&termp, term_dict + j, space_split))
- {
- logf (LOG_LOG, "aaaaaaaaaaaaargh");
- return 0;
- }
- strcat (term_dict, ")");
- r = dict_lookup_grep (zi->dict, term_dict, 0, grep_info,
- &max_pos, 0, grep_handle);
- if (r)
- logf (LOG_WARN, "dict_lookup_grep err, trunc=none:%d", r);
- break;
- case 1: /* right truncation */
- term_dict[j++] = '(';
- if (!term_100 (&termp, term_dict + j, space_split))
- return 0;
- strcat (term_dict, ".*)");
- dict_lookup_grep (zi->dict, term_dict, 0, grep_info,
+ case -1: /* not specified */
+ case 100: /* do not truncate */
+ if (!string_relation (zh, zapt, &termp, term_dict,
+ attributeSet,
+ reg_type, space_split, term_dst))
+ return 0;
+ logf (LOG_DEBUG, "dict_lookup_grep: %s", term_dict+prefix_len);
+ r = dict_lookup_grep (zh->reg->dict, term_dict, 0,
+ grep_info, &max_pos, 0, grep_handle);
+ if (r)
+ logf (LOG_WARN, "dict_lookup_grep fail %d", r);
+ break;
+ case 1: /* right truncation */
+ term_dict[j++] = '(';
+ if (!term_100 (zh->reg->zebra_maps, reg_type,
+ &termp, term_dict + j, space_split, term_dst))
+ return 0;
+ strcat (term_dict, ".*)");
+ dict_lookup_grep (zh->reg->dict, term_dict, 0, grep_info,
+ &max_pos, 0, grep_handle);
+ break;
+ case 2: /* keft truncation */
+ term_dict[j++] = '('; term_dict[j++] = '.'; term_dict[j++] = '*';
+ if (!term_100 (zh->reg->zebra_maps, reg_type,
+ &termp, term_dict + j, space_split, term_dst))
+ return 0;
+ strcat (term_dict, ")");
+ dict_lookup_grep (zh->reg->dict, term_dict, 0, grep_info,
+ &max_pos, 0, grep_handle);
+ break;
+ case 3: /* left&right truncation */
+ term_dict[j++] = '('; term_dict[j++] = '.'; term_dict[j++] = '*';
+ if (!term_100 (zh->reg->zebra_maps, reg_type,
+ &termp, term_dict + j, space_split, term_dst))
+ return 0;
+ strcat (term_dict, ".*)");
+ dict_lookup_grep (zh->reg->dict, term_dict, 0, grep_info,
+ &max_pos, 0, grep_handle);
+ break;
+ zh->errCode = 120;
+ return -1;
+ case 101: /* process # in term */
+ term_dict[j++] = '(';
+ if (!term_101 (zh->reg->zebra_maps, reg_type,
+ &termp, term_dict + j, space_split, term_dst))
+ return 0;
+ strcat (term_dict, ")");
+ r = dict_lookup_grep (zh->reg->dict, term_dict, 0, grep_info,
&max_pos, 0, grep_handle);
- break;
- case 2: /* left truncation */
- case 3: /* left&right truncation */
- zi->errCode = 120;
- return -1;
- case 101: /* process # in term */
- term_dict[j++] = '(';
- if (!term_101 (&termp, term_dict + j, space_split))
- return 0;
- strcat (term_dict, ")");
- r = dict_lookup_grep (zi->dict, term_dict, 0, grep_info,
- &max_pos, 0, grep_handle);
- if (r)
- logf (LOG_WARN, "dict_lookup_grep err, trunc=#: %d", r);
- break;
- case 102: /* Regexp-1 */
- term_dict[j++] = '(';
- if (!term_102 (&termp, term_dict + j, space_split))
- return 0;
- strcat (term_dict, ")");
- logf (LOG_DEBUG, "Regexp-1 tolerance=%d", r);
- r = dict_lookup_grep (zi->dict, term_dict, 0, grep_info,
- &max_pos, 0, grep_handle);
- if (r)
- logf (LOG_WARN, "dict_lookup_grep err, trunc=regular: %d",
- r);
- break;
- case 103: /* Regexp-1 */
- r = 1;
- term_dict[j++] = '(';
- if (!term_103 (&termp, term_dict + j, &r, space_split))
- return 0;
- strcat (term_dict, ")");
- logf (LOG_DEBUG, "Regexp-2 tolerance=%d", r);
- r = dict_lookup_grep (zi->dict, term_dict, r, grep_info,
- &max_pos, 2, grep_handle);
- if (r)
- logf (LOG_WARN, "dict_lookup_grep err, trunc=eregular: %d",
- r);
- break;
- }
+ if (r)
+ logf (LOG_WARN, "dict_lookup_grep err, trunc=#: %d", r);
+ break;
+ case 102: /* Regexp-1 */
+ term_dict[j++] = '(';
+ if (!term_102 (zh->reg->zebra_maps, reg_type,
+ &termp, term_dict + j, space_split, term_dst))
+ return 0;
+ strcat (term_dict, ")");
+ logf (LOG_DEBUG, "Regexp-1 tolerance=%d", r);
+ r = dict_lookup_grep (zh->reg->dict, term_dict, 0, grep_info,
+ &max_pos, 0, grep_handle);
+ if (r)
+ logf (LOG_WARN, "dict_lookup_grep err, trunc=regular: %d",
+ r);
+ break;
+ case 103: /* Regexp-2 */
+ r = 1;
+ term_dict[j++] = '(';
+ if (!term_103 (zh->reg->zebra_maps, reg_type,
+ &termp, term_dict + j, &r, space_split, term_dst))
+ return 0;
+ strcat (term_dict, ")");
+ logf (LOG_DEBUG, "Regexp-2 tolerance=%d", r);
+ r = dict_lookup_grep (zh->reg->dict, term_dict, r, grep_info,
+ &max_pos, 2, grep_handle);
+ if (r)
+ logf (LOG_WARN, "dict_lookup_grep err, trunc=eregular: %d",
+ r);
+ break;
+ case 104: /* process # and ! in term */
+ term_dict[j++] = '(';
+ if (!term_104 (zh->reg->zebra_maps, reg_type,
+ &termp, term_dict + j, space_split, term_dst))
+ return 0;
+ strcat (term_dict, ")");
+ r = dict_lookup_grep (zh->reg->dict, term_dict, 0, grep_info,
+ &max_pos, 0, grep_handle);
+ if (r)
+ logf (LOG_WARN, "dict_lookup_grep err, trunc=#/!: %d", r);
+ break;
+ case 105: /* process * and ! in term */
+ term_dict[j++] = '(';
+ if (!term_105 (zh->reg->zebra_maps, reg_type,
+ &termp, term_dict + j, space_split, term_dst, 1))
+ return 0;
+ strcat (term_dict, ")");
+ r = dict_lookup_grep (zh->reg->dict, term_dict, 0, grep_info,
+ &max_pos, 0, grep_handle);
+ if (r)
+ logf (LOG_WARN, "dict_lookup_grep err, trunc=*/!: %d", r);
+ break;
+ case 106: /* process * and ! in term */
+ term_dict[j++] = '(';
+ if (!term_105 (zh->reg->zebra_maps, reg_type,
+ &termp, term_dict + j, space_split, term_dst, 0))
+ return 0;
+ strcat (term_dict, ")");
+ r = dict_lookup_grep (zh->reg->dict, term_dict, 0, grep_info,
+ &max_pos, 0, grep_handle);
+ if (r)
+ logf (LOG_WARN, "dict_lookup_grep err, trunc=*/!: %d", r);
+ break;
}
}
+ if (!bases_ok)
+ {
+ zh->errCode = errCode;
+ zh->errString = errString;
+ return -1;
+ }
*term_sub = termp;
logf (LOG_DEBUG, "%d positions", grep_info->isam_p_indx);
return 1;
}
-static void trans_term (ZServerInfo *zi, Z_AttributesPlusTerm *zapt,
- char *termz)
+
+/* convert APT search term to UTF8 */
+static int zapt_term_to_utf8 (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ char *termz)
{
size_t sizez;
Z_Term *term = zapt->term;
- sizez = term->u.general->len;
- if (sizez > IT_MAX_WORD-1)
- sizez = IT_MAX_WORD-1;
- memcpy (termz, term->u.general->buf, sizez);
- termz[sizez] = '\0';
+ switch (term->which)
+ {
+ case Z_Term_general:
+ if (zh->iconv_to_utf8 != 0)
+ {
+ char *inbuf = term->u.general->buf;
+ size_t inleft = term->u.general->len;
+ char *outbuf = termz;
+ size_t outleft = IT_MAX_WORD-1;
+ size_t ret;
+
+ ret = yaz_iconv(zh->iconv_to_utf8, &inbuf, &inleft,
+ &outbuf, &outleft);
+ if (ret == (size_t)(-1))
+ {
+ ret = yaz_iconv(zh->iconv_to_utf8, 0, 0, 0, 0);
+ zh->errCode = 125;
+ return -1;
+ }
+ *outbuf = 0;
+ }
+ else
+ {
+ sizez = term->u.general->len;
+ if (sizez > IT_MAX_WORD-1)
+ sizez = IT_MAX_WORD-1;
+ memcpy (termz, term->u.general->buf, sizez);
+ termz[sizez] = '\0';
+ }
+ break;
+ case Z_Term_characterString:
+ sizez = strlen(term->u.characterString);
+ if (sizez > IT_MAX_WORD-1)
+ sizez = IT_MAX_WORD-1;
+ memcpy (termz, term->u.characterString, sizez);
+ termz[sizez] = '\0';
+ break;
+ default:
+ zh->errCode = 124;
+ return -1;
+ }
+ return 0;
}
-static void trans_scan_term (ZServerInfo *zi, Z_AttributesPlusTerm *zapt,
- char *termz)
+/* convert APT SCAN term to internal cmap */
+static int trans_scan_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ char *termz, int reg_type)
{
- Z_Term *term = zapt->term;
- char **map;
- char *cp = (char*) term->u.general->buf;
- const char *cp_end = cp + term->u.general->len;
- const char *src;
- int i = 0;
- int prev_space = 0;
- int len;
-
- while ((len = (cp_end - cp)) > 0)
+ char termz0[IT_MAX_WORD];
+
+ if (zapt_term_to_utf8(zh, zapt, termz0))
+ return -1; /* error */
+ else
{
- map = map_chrs_input (&cp, len);
- if (**map == *CHR_SPACE)
+ const char **map;
+ const char *cp = (const char *) termz0;
+ const char *cp_end = cp + strlen(cp);
+ const char *src;
+ int i = 0;
+ const char *space_map = NULL;
+ int len;
+
+ while ((len = (cp_end - cp)) > 0)
{
- if (prev_space)
- continue;
- prev_space = 1;
- }
- else
- prev_space = 0;
- for (src = *map; *src; src++)
- termz[i++] = *src;
+ map = zebra_maps_input (zh->reg->zebra_maps, reg_type, &cp, len, 0);
+ if (**map == *CHR_SPACE)
+ space_map = *map;
+ else
+ {
+ if (i && space_map)
+ for (src = space_map; *src; src++)
+ termz[i++] = *src;
+ space_map = NULL;
+ for (src = *map; *src; src++)
+ termz[i++] = *src;
+ }
+ }
+ termz[i] = '\0';
}
- termz[i] = '\0';
+ return 0;
}
-static RSET rpn_search_APT_relevance (ZServerInfo *zi,
- Z_AttributesPlusTerm *zapt,
- oid_value attributeSet,
- int num_bases, char **basenames)
+char *normalize_term(ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ const char *termz, NMEM stream, unsigned reg_id)
{
- rset_relevance_parms parms;
- char termz[IT_MAX_WORD+1];
- char *termp = termz;
- struct grep_info grep_info;
- RSET result;
- int term_index = 0;
- int r;
+ WRBUF wrbuf = 0;
+ AttrType truncation;
+ int truncation_value;
+ char *ex_list = 0;
- parms.key_size = sizeof(struct it_key);
- parms.max_rec = 1000;
- parms.cmp = key_compare_it;
- parms.is = zi->isam;
- parms.isc = zi->isamc;
- parms.no_terms = 0;
+ attr_init (&truncation, zapt, 5);
+ truncation_value = attr_find (&truncation, NULL);
- if (zapt->term->which != Z_Term_general)
+ switch (truncation_value)
{
- zi->errCode = 124;
- return NULL;
+ default:
+ ex_list = "";
+ break;
+ case 101:
+ ex_list = "#";
+ break;
+ case 102:
+ case 103:
+ ex_list = 0;
+ break;
+ case 104:
+ ex_list = "!#";
+ break;
+ case 105:
+ ex_list = "!*";
+ break;
+ }
+ if (ex_list)
+ wrbuf = zebra_replace(zh->reg->zebra_maps, reg_id, ex_list,
+ termz, strlen(termz));
+ if (!wrbuf)
+ return nmem_strdup(stream, termz);
+ else
+ {
+ char *buf = (char*) nmem_malloc (stream, wrbuf_len(wrbuf)+1);
+ memcpy (buf, wrbuf_buf(wrbuf), wrbuf_len(wrbuf));
+ buf[wrbuf_len(wrbuf)] = '\0';
+ return buf;
}
- trans_term (zi, zapt, termz);
+}
+static void grep_info_delete (struct grep_info *grep_info)
+{
#ifdef TERM_COUNT
- grep_info.term_no = 0;
+ xfree(grep_info->term_no);
#endif
- grep_info.isam_p_indx = 0;
- grep_info.isam_p_size = 0;
- grep_info.isam_p_buf = NULL;
- while (1)
- {
- r = field_term (zi, zapt, &termp, 'w', attributeSet, &grep_info,
- num_bases, basenames, 1);
- if (r <= 0)
- break;
+ xfree (grep_info->isam_p_buf);
+}
+
+static int grep_info_prepare (ZebraHandle zh,
+ Z_AttributesPlusTerm *zapt,
+ struct grep_info *grep_info,
+ int reg_type,
+ NMEM stream)
+{
+ AttrType termset;
+ int termset_value_numeric;
+ const char *termset_value_string;
+
#ifdef TERM_COUNT
- for (; term_index < grep_info.isam_p_indx; term_index++)
- grep_info.term_no[term_index] = parms.no_terms;
- parms.no_terms++;
+ grep_info->term_no = 0;
#endif
+ grep_info->isam_p_size = 0;
+ grep_info->isam_p_buf = NULL;
+ grep_info->zh = zh;
+ grep_info->reg_type = reg_type;
+ grep_info->termset = 0;
+
+ if (!zapt)
+ return 0;
+ attr_init (&termset, zapt, 8);
+ termset_value_numeric =
+ attr_find_ex (&termset, NULL, &termset_value_string);
+ if (termset_value_numeric != -1)
+ {
+ char resname[32];
+ const char *termset_name = 0;
+ if (termset_value_numeric != -2)
+ {
+
+ sprintf (resname, "%d", termset_value_numeric);
+ termset_name = resname;
+ }
+ else
+ termset_name = termset_value_string;
+ logf (LOG_LOG, "creating termset set %s", termset_name);
+ grep_info->termset = resultSetAdd (zh, termset_name, 1);
+ if (!grep_info->termset)
+ {
+ zh->errCode = 128;
+ zh->errString = nmem_strdup (stream, termset_name);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+
+static RSET rpn_search_APT_phrase (ZebraHandle zh,
+ Z_AttributesPlusTerm *zapt,
+ const char *termz_org,
+ oid_value attributeSet,
+ NMEM stream,
+ int reg_type, int complete_flag,
+ const char *rank_type, int xpath_use,
+ int num_bases, char **basenames,
+ NMEM rset_nmem)
+{
+ char term_dst[IT_MAX_WORD+1];
+ RSET rset[60], result;
+ int rset_no = 0;
+ struct grep_info grep_info;
+ char *termz = normalize_term(zh, zapt, termz_org, stream, reg_type);
+ const char *termp = termz;
+
+ *term_dst = 0;
+ if (grep_info_prepare (zh, zapt, &grep_info, reg_type, stream))
+ return 0;
+ while (1)
+ {
+ logf (LOG_DEBUG, "APT_phrase termp=%s", termp);
+ rset[rset_no] = term_trunc (zh, zapt, &termp, attributeSet,
+ stream, &grep_info,
+ reg_type, complete_flag,
+ num_bases, basenames,
+ term_dst, rank_type,
+ xpath_use,rset_nmem);
+ if (!rset[rset_no])
+ break;
+ if (++rset_no >= (int) (sizeof(rset)/sizeof(*rset)))
+ break;
}
- parms.term_no = grep_info.term_no;
- parms.isam_positions = grep_info.isam_p_buf;
- parms.no_isam_positions = grep_info.isam_p_indx;
- if (grep_info.isam_p_indx > 0)
- result = rset_create (rset_kind_relevance, &parms);
+ grep_info_delete (&grep_info);
+ if (rset_no == 0)
+ return rsnull_create (rset_nmem,key_it_ctrl);
+ else if (rset_no == 1)
+ return (rset[0]);
else
- result = rset_create (rset_kind_null, NULL);
-#ifdef TERM_COUNT
- xfree(grep_info.term_no);
-#endif
- xfree (grep_info.isam_p_buf);
+ result = rsprox_create( rset_nmem, key_it_ctrl, key_it_ctrl->scope,
+ rset_no, rset,
+ 1 /* ordered */, 0 /* exclusion */,
+ 3 /* relation */, 1 /* distance */);
return result;
}
-static RSET rpn_search_APT_cphrase (ZServerInfo *zi,
+static RSET rpn_search_APT_or_list (ZebraHandle zh,
Z_AttributesPlusTerm *zapt,
+ const char *termz_org,
oid_value attributeSet,
- int num_bases, char **basenames)
+ NMEM stream,
+ int reg_type, int complete_flag,
+ const char *rank_type,
+ int xpath_use,
+ int num_bases, char **basenames,
+ NMEM rset_nmem)
{
- char termz[IT_MAX_WORD+1];
+ char term_dst[IT_MAX_WORD+1];
+ RSET rset[60];
+ int rset_no = 0;
struct grep_info grep_info;
- RSET result;
- char *termp = termz;
- int r;
+ char *termz = normalize_term(zh, zapt, termz_org, stream, reg_type);
+ const char *termp = termz;
- if (zapt->term->which != Z_Term_general)
- {
- zi->errCode = 124;
- return NULL;
+ if (grep_info_prepare (zh, zapt, &grep_info, reg_type, stream))
+ return 0;
+ while (1)
+ {
+ logf (LOG_DEBUG, "APT_or_list termp=%s", termp);
+ rset[rset_no] = term_trunc (zh, zapt, &termp, attributeSet,
+ stream, &grep_info,
+ reg_type, complete_flag,
+ num_bases, basenames,
+ term_dst, rank_type,
+ xpath_use,rset_nmem);
+ if (!rset[rset_no])
+ break;
+ if (++rset_no >= (int) (sizeof(rset)/sizeof(*rset)))
+ break;
}
- trans_term (zi, zapt, termz);
+ grep_info_delete (&grep_info);
+ if (rset_no == 0)
+ return rsnull_create (rset_nmem,key_it_ctrl);
+ return rsmultior_create(rset_nmem, key_it_ctrl,key_it_ctrl->scope,
+ rset_no, rset);
+}
-#ifdef TERM_COUNT
- grep_info.term_no = 0;
-#endif
- grep_info.isam_p_indx = 0;
- grep_info.isam_p_size = 0;
- grep_info.isam_p_buf = NULL;
+static RSET rpn_search_APT_and_list (ZebraHandle zh,
+ Z_AttributesPlusTerm *zapt,
+ const char *termz_org,
+ oid_value attributeSet,
+ NMEM stream,
+ int reg_type, int complete_flag,
+ const char *rank_type,
+ int xpath_use,
+ int num_bases, char **basenames,
+ NMEM rset_nmem)
+{
+ char term_dst[IT_MAX_WORD+1];
+ RSET rset[60], result;
+ int i, rset_no = 0;
+ struct grep_info grep_info;
+ char *termz = normalize_term(zh, zapt, termz_org, stream, reg_type);
+ const char *termp = termz;
- r = field_term (zi, zapt, &termp, 'p', attributeSet, &grep_info,
- num_bases, basenames, 0);
- result = rset_trunc (zi, grep_info.isam_p_buf, grep_info.isam_p_indx);
-#ifdef TERM_COUNT
- xfree(grep_info.term_no);
-#endif
- xfree (grep_info.isam_p_buf);
+ if (grep_info_prepare (zh, zapt, &grep_info, reg_type, stream))
+ return 0;
+ while (1)
+ {
+ logf (LOG_DEBUG, "APT_and_list termp=%s", termp);
+ rset[rset_no] = term_trunc (zh, zapt, &termp, attributeSet,
+ stream, &grep_info,
+ reg_type, complete_flag,
+ num_bases, basenames,
+ term_dst, rank_type,
+ xpath_use, rset_nmem);
+ if (!rset[rset_no])
+ break;
+ assert (rset[rset_no]);
+ if (++rset_no >= (int) (sizeof(rset)/sizeof(*rset)))
+ break;
+ }
+ grep_info_delete (&grep_info);
+ if (rset_no == 0)
+ return rsnull_create (rset_nmem,key_it_ctrl);
+ result = rset[0];
+ /* FIXME - Use a proper rsmultiand */
+ for (i = 1; i<rset_no; i++)
+ result= rsbool_create_and(rset_nmem,key_it_ctrl,key_it_ctrl->scope,
+ result, rset[i] );
return result;
}
-static RSET rpn_proximity (RSET rset1, RSET rset2, int ordered,
- int exclusion, int relation, int distance)
+static int numeric_relation (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ const char **term_sub,
+ char *term_dict,
+ oid_value attributeSet,
+ struct grep_info *grep_info,
+ int *max_pos,
+ int reg_type,
+ char *term_dst)
{
- int i;
- RSFD rsfd1, rsfd2;
- int more1, more2;
- struct it_key buf1, buf2;
- RSFD rsfd_result;
- RSET result;
- rset_temp_parms parms;
-
- rsfd1 = rset_open (rset1, RSETF_READ|RSETF_SORT_SYSNO);
- more1 = rset_read (rset1, rsfd1, &buf1);
-
- rsfd2 = rset_open (rset2, RSETF_READ|RSETF_SORT_SYSNO);
- more2 = rset_read (rset2, rsfd2, &buf2);
+ AttrType relation;
+ int relation_value;
+ int term_value;
+ int r;
+ char *term_tmp = term_dict + strlen(term_dict);
- parms.key_size = sizeof (struct it_key);
- result = rset_create (rset_kind_temp, &parms);
- rsfd_result = rset_open (result, RSETF_WRITE|RSETF_SORT_SYSNO);
-
- logf (LOG_DEBUG, "rpn_proximity excl=%d ord=%d rel=%d dis=%d",
- exclusion, ordered, relation, distance);
- while (more1 && more2)
- {
- int cmp = key_compare_it (&buf1, &buf2);
- if (cmp < -1)
- more1 = rset_read (rset1, rsfd1, &buf1);
- else if (cmp > 1)
- more2 = rset_read (rset2, rsfd2, &buf2);
- else
- {
- int sysno = buf1.sysno;
- int seqno[500];
- int n = 0;
+ attr_init (&relation, zapt, 2);
+ relation_value = attr_find (&relation, NULL);
- seqno[n++] = buf1.seqno;
- while ((more1 = rset_read (rset1, rsfd1, &buf1)) &&
- sysno == buf1.sysno)
- if (n < 500)
- seqno[n++] = buf1.seqno;
- do
- {
- for (i = 0; i<n; i++)
- {
- int diff = buf2.seqno - seqno[i];
- int excl = exclusion;
- if (!ordered && diff < 0)
- diff = -diff;
- switch (relation)
- {
- case 1: /* < */
- if (diff < distance)
- excl = !excl;
- break;
- case 2: /* <= */
- if (diff <= distance)
- excl = !excl;
- break;
- case 3: /* == */
- if (diff == distance)
- excl = !excl;
- break;
- case 4: /* >= */
- if (diff >= distance)
- excl = !excl;
- break;
- case 5: /* > */
- if (diff > distance)
- excl = !excl;
- break;
- case 6: /* != */
- if (diff != distance)
- excl = !excl;
- break;
- }
- if (excl)
- rset_write (result, rsfd_result, &buf2);
- }
- } while ((more2 = rset_read (rset2, rsfd2, &buf2)) &&
- sysno == buf2.sysno);
- }
+ logf (LOG_DEBUG, "numeric relation value=%d", relation_value);
+
+ if (!term_100 (zh->reg->zebra_maps, reg_type, term_sub, term_tmp, 1,
+ term_dst))
+ return 0;
+ term_value = atoi (term_tmp);
+ switch (relation_value)
+ {
+ case 1:
+ logf (LOG_DEBUG, "Relation <");
+ gen_regular_rel (term_tmp, term_value-1, 1);
+ break;
+ case 2:
+ logf (LOG_DEBUG, "Relation <=");
+ gen_regular_rel (term_tmp, term_value, 1);
+ break;
+ case 4:
+ logf (LOG_DEBUG, "Relation >=");
+ gen_regular_rel (term_tmp, term_value, 0);
+ break;
+ case 5:
+ logf (LOG_DEBUG, "Relation >");
+ gen_regular_rel (term_tmp, term_value+1, 0);
+ break;
+ case 3:
+ default:
+ logf (LOG_DEBUG, "Relation =");
+ sprintf (term_tmp, "(0*%d)", term_value);
}
- rset_close (result, rsfd_result);
- rset_close (rset1, rsfd1);
- rset_close (rset2, rsfd2);
- return result;
+ logf (LOG_DEBUG, "dict_lookup_grep: %s", term_tmp);
+ r = dict_lookup_grep (zh->reg->dict, term_dict, 0, grep_info, max_pos,
+ 0, grep_handle);
+ if (r)
+ logf (LOG_WARN, "dict_lookup_grep fail, rel=gt: %d", r);
+ logf (LOG_DEBUG, "%d positions", grep_info->isam_p_indx);
+ return 1;
}
-static RSET rpn_prox (RSET *rset, int rset_no)
+static int numeric_term (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ const char **term_sub,
+ oid_value attributeSet, struct grep_info *grep_info,
+ int reg_type, int complete_flag,
+ int num_bases, char **basenames,
+ char *term_dst, int xpath_use, NMEM stream)
{
- int i;
- RSFD *rsfd;
- int *more;
- struct it_key **buf;
- RSFD rsfd_result;
- RSET result;
- rset_temp_parms parms;
-
- rsfd = xmalloc (sizeof(*rsfd)*rset_no);
- more = xmalloc (sizeof(*more)*rset_no);
- buf = xmalloc (sizeof(*buf)*rset_no);
+ char term_dict[2*IT_MAX_WORD+2];
+ int r, base_no;
+ AttrType use;
+ int use_value;
+ const char *use_string = 0;
+ oid_value curAttributeSet = attributeSet;
+ const char *termp;
+ struct rpn_char_map_info rcmi;
+
+ int bases_ok = 0; /* no of databases with OK attribute */
+ int errCode = 0; /* err code (if any is not OK) */
+ char *errString = 0; /* addinfo */
+
+ rpn_char_map_prepare (zh->reg, reg_type, &rcmi);
+ attr_init (&use, zapt, 1);
+ use_value = attr_find_ex (&use, &curAttributeSet, &use_string);
+
+ if (use_value == -1)
+ use_value = 1016;
- for (i = 0; i<rset_no; i++)
+ for (base_no = 0; base_no < num_bases; base_no++)
{
- buf[i] = xmalloc (sizeof(**buf));
- rsfd[i] = rset_open (rset[i], RSETF_READ|RSETF_SORT_SYSNO);
- if (!(more[i] = rset_read (rset[i], rsfd[i], buf[i])))
+ attent attp;
+ data1_local_attribute id_xpath_attr;
+ data1_local_attribute *local_attr;
+ int max_pos, prefix_len = 0;
+
+ termp = *term_sub;
+ if (use_value == -2) /* string attribute (assume IDXPATH/any) */
{
- while (i >= 0)
- {
- rset_close (rset[i], rsfd[i]);
- xfree (buf[i]);
- --i;
- }
- xfree (rsfd);
- xfree (more);
- xfree (buf);
- return rset_create (rset_kind_null, NULL);
+ use_value = xpath_use;
+ attp.local_attributes = &id_xpath_attr;
+ attp.attset_ordinal = VAL_IDXPATH;
+ id_xpath_attr.next = 0;
+ id_xpath_attr.local = use_value;
}
- }
- parms.key_size = sizeof (struct it_key);
- result = rset_create (rset_kind_temp, &parms);
- rsfd_result = rset_open (result, RSETF_WRITE|RSETF_SORT_SYSNO);
-
- while (*more)
- {
- for (i = 1; i<rset_no; i++)
+ else if (curAttributeSet == VAL_IDXPATH)
{
- int cmp;
-
- if (!more[i])
- {
- *more = 0;
- break;
- }
- cmp = key_compare_it (buf[i], buf[i-1]);
- if (cmp > 1)
- {
- more[i-1] = rset_read (rset[i-1], rsfd[i-1], buf[i-1]);
- break;
- }
- else if (cmp == 1)
+ attp.local_attributes = &id_xpath_attr;
+ attp.attset_ordinal = VAL_IDXPATH;
+ id_xpath_attr.next = 0;
+ id_xpath_attr.local = use_value;
+ }
+ else
+ {
+ if ((r=att_getentbyatt (zh, &attp, curAttributeSet, use_value,
+ use_string)))
{
- if (buf[i-1]->seqno+1 != buf[i]->seqno)
+ logf (LOG_DEBUG, "att_getentbyatt fail. set=%d use=%d r=%d",
+ curAttributeSet, use_value, r);
+ if (r == -1)
{
- more[i-1] = rset_read (rset[i-1], rsfd[i-1], buf[i-1]);
- break;
+ char val_str[32];
+ sprintf (val_str, "%d", use_value);
+ errString = nmem_strdup (stream, val_str);
+ errCode = 114;
}
+ else
+ errCode = 121;
+ continue;
}
+ }
+ if (zebraExplain_curDatabase (zh->reg->zei, basenames[base_no]))
+ {
+ zh->errCode = 109; /* Database unavailable */
+ zh->errString = basenames[base_no];
+ return -1;
+ }
+ for (local_attr = attp.local_attributes; local_attr;
+ local_attr = local_attr->next)
+ {
+ int ord;
+ char ord_buf[32];
+ int i, ord_len;
+
+ ord = zebraExplain_lookupSU (zh->reg->zei, attp.attset_ordinal,
+ local_attr->local);
+ if (ord < 0)
+ continue;
+ if (prefix_len)
+ term_dict[prefix_len++] = '|';
else
+ term_dict[prefix_len++] = '(';
+
+ ord_len = key_SU_encode (ord, ord_buf);
+ for (i = 0; i<ord_len; i++)
{
- more[i] = rset_read (rset[i], rsfd[i], buf[i]);
- break;
+ term_dict[prefix_len++] = 1;
+ term_dict[prefix_len++] = ord_buf[i];
}
}
- if (i == rset_no)
+ if (!prefix_len)
{
- rset_write (result, rsfd_result, buf[0]);
- more[0] = rset_read (*rset, *rsfd, *buf);
+ char val_str[32];
+ sprintf (val_str, "%d", use_value);
+ errCode = 114;
+ errString = nmem_strdup (stream, val_str);
+ continue;
}
+ bases_ok++;
+ term_dict[prefix_len++] = ')';
+ term_dict[prefix_len++] = 1;
+ term_dict[prefix_len++] = reg_type;
+ logf (LOG_DEBUG, "reg_type = %d", term_dict[prefix_len-1]);
+ term_dict[prefix_len] = '\0';
+ if (!numeric_relation (zh, zapt, &termp, term_dict,
+ attributeSet, grep_info, &max_pos, reg_type,
+ term_dst))
+ return 0;
}
-
- for (i = 0; i<rset_no; i++)
+ if (!bases_ok)
{
- rset_close (rset[i], rsfd[i]);
- xfree (buf[i]);
+ zh->errCode = errCode;
+ zh->errString = errString;
+ return -1;
}
- rset_close (result, rsfd_result);
- xfree (buf);
- xfree (more);
- xfree (rsfd);
- return result;
+ *term_sub = termp;
+ logf (LOG_DEBUG, "%d positions", grep_info->isam_p_indx);
+ return 1;
}
-static RSET rpn_search_APT_phrase (ZServerInfo *zi,
- Z_AttributesPlusTerm *zapt,
- oid_value attributeSet,
- int num_bases, char **basenames)
+static RSET rpn_search_APT_numeric (ZebraHandle zh,
+ Z_AttributesPlusTerm *zapt,
+ const char *termz,
+ oid_value attributeSet,
+ NMEM stream,
+ int reg_type, int complete_flag,
+ const char *rank_type, int xpath_use,
+ int num_bases, char **basenames,
+ NMEM rset_nmem)
{
- char termz[IT_MAX_WORD+1];
- char *termp = termz;
+ char term_dst[IT_MAX_WORD+1];
+ const char *termp = termz;
RSET rset[60], result;
int i, r, rset_no = 0;
struct grep_info grep_info;
- if (zapt->term->which != Z_Term_general)
- {
- zi->errCode = 124;
- return NULL;
- }
- trans_term (zi, zapt, termz);
-
-#ifdef TERM_COUNT
- grep_info.term_no = 0;
-#endif
- grep_info.isam_p_size = 0;
- grep_info.isam_p_buf = NULL;
-
+ if (grep_info_prepare (zh, zapt, &grep_info, reg_type, stream))
+ return 0;
while (1)
- {
+ {
+ logf (LOG_DEBUG, "APT_numeric termp=%s", termp);
grep_info.isam_p_indx = 0;
- r = field_term (zi, zapt, &termp, 'w', attributeSet, &grep_info,
- num_bases, basenames, 1);
+ r = numeric_term (zh, zapt, &termp, attributeSet, &grep_info,
+ reg_type, complete_flag, num_bases, basenames,
+ term_dst, xpath_use,
+ stream);
if (r < 1)
break;
- rset[rset_no] = rset_trunc (zi, grep_info.isam_p_buf,
- grep_info.isam_p_indx);
+ logf (LOG_DEBUG, "term: %s", term_dst);
+ rset[rset_no] = rset_trunc (zh, grep_info.isam_p_buf,
+ grep_info.isam_p_indx, term_dst,
+ strlen(term_dst), rank_type,
+ 0 /* preserve position */,
+ zapt->term->which, rset_nmem,
+ key_it_ctrl,key_it_ctrl->scope);
assert (rset[rset_no]);
- if (++rset_no >= sizeof(rset)/sizeof(*rset))
+ if (++rset_no >= (int) (sizeof(rset)/sizeof(*rset)))
break;
}
-#ifdef TERM_COUNT
- xfree(grep_info.term_no);
-#endif
- xfree (grep_info.isam_p_buf);
+ grep_info_delete (&grep_info);
if (rset_no == 0)
- return rset_create (rset_kind_null, NULL);
- else if (rset_no == 1)
- return (rset[0]);
- result = rpn_prox (rset, rset_no);
- for (i = 0; i<rset_no; i++)
- rset_delete (rset[i]);
+ return rsnull_create (rset_nmem,key_it_ctrl);
+ result = rset[0];
+ for (i = 1; i<rset_no; i++)
+ {
+ /* FIXME - Use a proper multi-and */
+ result= rsbool_create_and(rset_nmem,key_it_ctrl,key_it_ctrl->scope,
+ result, rset[i] );
+ }
return result;
}
-static RSET rpn_search_APT_local (ZServerInfo *zi, Z_AttributesPlusTerm *zapt,
- oid_value attributeSet)
+static RSET rpn_search_APT_local (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ const char *termz,
+ oid_value attributeSet,
+ NMEM stream,
+ const char *rank_type, NMEM rset_nmem)
{
RSET result;
RSFD rsfd;
struct it_key key;
+ int sys;
+ /*
rset_temp_parms parms;
- char termz[IT_MAX_WORD+1];
- if (zapt->term->which != Z_Term_general)
- {
- zi->errCode = 124;
- return NULL;
- }
+ parms.cmp = key_compare_it;
parms.key_size = sizeof (struct it_key);
+ parms.temp_path = res_get (zh->res, "setTmpDir");
result = rset_create (rset_kind_temp, &parms);
- rsfd = rset_open (result, RSETF_WRITE|RSETF_SORT_SYSNO);
-
- trans_term (zi, zapt, termz);
-
- key.sysno = atoi (termz);
+ */
+ result = rstemp_create( rset_nmem,key_it_ctrl,key_it_ctrl->scope,
+ res_get (zh->res, "setTmpDir") );
+ rsfd = rset_open (result, RSETF_WRITE);
+
+ sys = atoi(termz);
+ if (sys <= 0)
+ sys = 1;
+#if IT_KEY_NEW
+ key.mem[0] = sys;
+ key.mem[1] = 1;
+ key.len = 2;
+#else
+ key.sysno = sys;
+ key.seqno = 1;
if (key.sysno <= 0)
key.sysno = 1;
- rset_write (result, rsfd, &key);
- rset_close (result, rsfd);
+#endif
+ rset_write (rsfd, &key);
+ rset_close (rsfd);
return result;
}
-static RSET rpn_search_APT (ZServerInfo *zi, Z_AttributesPlusTerm *zapt,
- oid_value attributeSet,
- int num_bases, char **basenames)
+static RSET rpn_sort_spec (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ oid_value attributeSet, NMEM stream,
+ Z_SortKeySpecList *sort_sequence,
+ const char *rank_type)
{
- AttrType relation;
- AttrType structure;
- AttrType completeness;
- int relation_value, structure_value, completeness_value;
+ int i;
+ int sort_relation_value;
+ AttrType sort_relation_type;
+ int use_value;
+ AttrType use_type;
+ Z_SortKeySpec *sks;
+ Z_SortKey *sk;
+ Z_AttributeElement *ae;
+ int oid[OID_SIZE];
+ oident oe;
+ char termz[20];
+
+ attr_init (&sort_relation_type, zapt, 7);
+ sort_relation_value = attr_find (&sort_relation_type, &attributeSet);
- attr_init (&relation, zapt, 2);
- attr_init (&structure, zapt, 4);
- attr_init (&completeness, zapt, 6);
+ attr_init (&use_type, zapt, 1);
+ use_value = attr_find (&use_type, &attributeSet);
+
+ if (!sort_sequence->specs)
+ {
+ sort_sequence->num_specs = 10;
+ sort_sequence->specs = (Z_SortKeySpec **)
+ nmem_malloc (stream, sort_sequence->num_specs *
+ sizeof(*sort_sequence->specs));
+ for (i = 0; i<sort_sequence->num_specs; i++)
+ sort_sequence->specs[i] = 0;
+ }
+ if (zapt->term->which != Z_Term_general)
+ i = 0;
+ else
+ i = atoi_n ((char *) zapt->term->u.general->buf,
+ zapt->term->u.general->len);
+ if (i >= sort_sequence->num_specs)
+ i = 0;
+ sprintf (termz, "%d", i);
+
+ oe.proto = PROTO_Z3950;
+ oe.oclass = CLASS_ATTSET;
+ oe.value = attributeSet;
+ if (!oid_ent_to_oid (&oe, oid))
+ return 0;
+
+ sks = (Z_SortKeySpec *) nmem_malloc (stream, sizeof(*sks));
+ sks->sortElement = (Z_SortElement *)
+ nmem_malloc (stream, sizeof(*sks->sortElement));
+ sks->sortElement->which = Z_SortElement_generic;
+ sk = sks->sortElement->u.generic = (Z_SortKey *)
+ nmem_malloc (stream, sizeof(*sk));
+ sk->which = Z_SortKey_sortAttributes;
+ sk->u.sortAttributes = (Z_SortAttributes *)
+ nmem_malloc (stream, sizeof(*sk->u.sortAttributes));
+
+ sk->u.sortAttributes->id = oid;
+ sk->u.sortAttributes->list = (Z_AttributeList *)
+ nmem_malloc (stream, sizeof(*sk->u.sortAttributes->list));
+ sk->u.sortAttributes->list->num_attributes = 1;
+ sk->u.sortAttributes->list->attributes = (Z_AttributeElement **)
+ nmem_malloc (stream, sizeof(*sk->u.sortAttributes->list->attributes));
+ ae = *sk->u.sortAttributes->list->attributes = (Z_AttributeElement *)
+ nmem_malloc (stream, sizeof(**sk->u.sortAttributes->list->attributes));
+ ae->attributeSet = 0;
+ ae->attributeType = (int *)
+ nmem_malloc (stream, sizeof(*ae->attributeType));
+ *ae->attributeType = 1;
+ ae->which = Z_AttributeValue_numeric;
+ ae->value.numeric = (int *)
+ nmem_malloc (stream, sizeof(*ae->value.numeric));
+ *ae->value.numeric = use_value;
+
+ sks->sortRelation = (int *)
+ nmem_malloc (stream, sizeof(*sks->sortRelation));
+ if (sort_relation_value == 1)
+ *sks->sortRelation = Z_SortKeySpec_ascending;
+ else if (sort_relation_value == 2)
+ *sks->sortRelation = Z_SortKeySpec_descending;
+ else
+ *sks->sortRelation = Z_SortKeySpec_ascending;
+
+ sks->caseSensitivity = (int *)
+ nmem_malloc (stream, sizeof(*sks->caseSensitivity));
+ *sks->caseSensitivity = 0;
+
+ sks->which = Z_SortKeySpec_null;
+ sks->u.null = odr_nullval ();
+ sort_sequence->specs[i] = sks;
+ return rsnull_create (NULL,key_it_ctrl);
+ /* FIXME - nmem?? */
+}
+
+
+static int parse_xpath(ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ oid_value attributeSet,
+ struct xpath_location_step *xpath, int max, NMEM mem)
+{
+ oid_value curAttributeSet = attributeSet;
+ AttrType use;
+ const char *use_string = 0;
- relation_value = attr_find (&relation, NULL);
- structure_value = attr_find (&structure, NULL);
- completeness_value = attr_find (&completeness, NULL);
- switch (structure_value)
+ attr_init (&use, zapt, 1);
+ attr_find_ex (&use, &curAttributeSet, &use_string);
+
+ if (!use_string || *use_string != '/')
+ return -1;
+
+ return zebra_parse_xpath_str(use_string, xpath, max, mem);
+}
+
+
+
+static RSET xpath_trunc(ZebraHandle zh, NMEM stream,
+ int reg_type, const char *term, int use,
+ oid_value curAttributeSet, NMEM rset_nmem)
+{
+ RSET rset;
+ struct grep_info grep_info;
+ char term_dict[2048];
+ char ord_buf[32];
+ int prefix_len = 0;
+ int ord = zebraExplain_lookupSU (zh->reg->zei, curAttributeSet, use);
+ int ord_len, i, r, max_pos;
+ int term_type = Z_Term_characterString;
+ const char *flags = "void";
+
+ if (grep_info_prepare (zh, 0 /* zapt */, &grep_info, '0', stream))
+ return rsnull_create (rset_nmem,key_it_ctrl);
+
+ if (ord < 0)
+ return rsnull_create (rset_nmem,key_it_ctrl);
+ if (prefix_len)
+ term_dict[prefix_len++] = '|';
+ else
+ term_dict[prefix_len++] = '(';
+
+ ord_len = key_SU_encode (ord, ord_buf);
+ for (i = 0; i<ord_len; i++)
{
- case -1:
- if (relation_value == 102) /* relevance relation */
- return rpn_search_APT_relevance (zi, zapt, attributeSet,
- num_bases, basenames);
- if (completeness_value == 2 || completeness_value == 3)
- return rpn_search_APT_cphrase (zi, zapt, attributeSet,
- num_bases, basenames);
- return rpn_search_APT_phrase (zi, zapt, attributeSet,
- num_bases, basenames);
- case 1: /* phrase */
- if (relation_value == 102) /* relevance relation */
- return rpn_search_APT_relevance (zi, zapt, attributeSet,
- num_bases, basenames);
- if (completeness_value == 2 || completeness_value == 3)
- return rpn_search_APT_cphrase (zi, zapt, attributeSet,
- num_bases, basenames);
- return rpn_search_APT_phrase (zi, zapt, attributeSet,
- num_bases, basenames);
- break;
- case 2: /* word */
- if (relation_value == 102) /* relevance relation */
- return rpn_search_APT_relevance (zi, zapt, attributeSet,
- num_bases, basenames);
- if (completeness_value == 2 || completeness_value == 3)
- return rpn_search_APT_cphrase (zi, zapt, attributeSet,
- num_bases, basenames);
- return rpn_search_APT_phrase (zi, zapt, attributeSet,
- num_bases, basenames);
- case 3: /* key */
- break;
- case 4: /* year */
- break;
- case 5: /* date - normalized */
- break;
- case 6: /* word list */
- return rpn_search_APT_relevance (zi, zapt, attributeSet,
- num_bases, basenames);
- case 100: /* date - un-normalized */
- break;
- case 101: /* name - normalized */
- break;
- case 102: /* date - un-normalized */
- break;
- case 103: /* structure */
- break;
- case 104: /* urx */
- break;
- case 105: /* free-form-text */
- return rpn_search_APT_relevance (zi, zapt, attributeSet,
- num_bases, basenames);
- case 106: /* document-text */
- return rpn_search_APT_relevance (zi, zapt, attributeSet,
- num_bases, basenames);
- case 107: /* local-number */
- return rpn_search_APT_local (zi, zapt, attributeSet);
- case 108: /* string */
- return rpn_search_APT_phrase (zi, zapt, attributeSet,
- num_bases, basenames);
- case 109: /* numeric string */
- break;
+ term_dict[prefix_len++] = 1;
+ term_dict[prefix_len++] = ord_buf[i];
}
- zi->errCode = 118;
- return NULL;
+ term_dict[prefix_len++] = ')';
+ term_dict[prefix_len++] = 1;
+ term_dict[prefix_len++] = reg_type;
+
+ strcpy (term_dict+prefix_len, term);
+
+ grep_info.isam_p_indx = 0;
+ r = dict_lookup_grep (zh->reg->dict, term_dict, 0,
+ &grep_info, &max_pos, 0, grep_handle);
+ yaz_log (LOG_LOG, "%s %d positions", term,
+ grep_info.isam_p_indx);
+ rset = rset_trunc (zh, grep_info.isam_p_buf,
+ grep_info.isam_p_indx, term, strlen(term),
+ flags, 1, term_type,rset_nmem,
+ key_it_ctrl, key_it_ctrl->scope);
+ grep_info_delete (&grep_info);
+ return rset;
}
-static RSET rpn_search_ref (ZServerInfo *zi, Z_ResultSetId *resultSetId)
+static RSET rpn_search_xpath (ZebraHandle zh,
+ oid_value attributeSet,
+ int num_bases, char **basenames,
+ NMEM stream, const char *rank_type, RSET rset,
+ int xpath_len, struct xpath_location_step *xpath,
+ NMEM rset_nmem)
{
- ZServerSet *s;
+ oid_value curAttributeSet = attributeSet;
+ int base_no;
+ int i;
+
+ if (xpath_len < 0)
+ return rset;
+
+ yaz_log (LOG_LOG, "len=%d", xpath_len);
+ for (i = 0; i<xpath_len; i++)
+ {
+ yaz_log (LOG_LOG, "XPATH %d %s", i, xpath[i].part);
+
+ }
+
+ curAttributeSet = VAL_IDXPATH;
+
+ /*
+ //a -> a/.*
+ //a/b -> b/a/.*
+ /a -> a/
+ /a/b -> b/a/
+
+ / -> none
+
+ a[@attr=value]/b[@other=othervalue]
+
+ /e/@a val range(e/,range(@a,freetext(w,1015,val),@a),e/)
+ /a/b val range(b/a/,freetext(w,1016,val),b/a/)
+ /a/b/@c val range(b/a/,range(@c,freetext(w,1016,val),@c),b/a/)
+ /a/b[@c=y] val range(b/a/,freetext(w,1016,val),b/a/,@c=y)
+ /a[@c=y]/b val range(a/,range(b/a/,freetext(w,1016,val),b/a/),a/,@c=y)
+ /a[@c=x]/b[@c=y] range(a/,range(b/a/,freetext(w,1016,val),b/a/,@c=y),a/,@c=x)
+
+ */
+
+ dict_grep_cmap (zh->reg->dict, 0, 0);
+
+ for (base_no = 0; base_no < num_bases; base_no++)
+ {
+ int level = xpath_len;
+ int first_path = 1;
+
+ if (zebraExplain_curDatabase (zh->reg->zei, basenames[base_no]))
+ {
+ zh->errCode = 109; /* Database unavailable */
+ zh->errString = basenames[base_no];
+ return rset;
+ }
+ while (--level >= 0)
+ {
+ char xpath_rev[128];
+ int i, len;
+ RSET rset_start_tag = 0, rset_end_tag = 0, rset_attr = 0;
+
+ *xpath_rev = 0;
+ len = 0;
+ for (i = level; i >= 1; --i)
+ {
+ const char *cp = xpath[i].part;
+ if (*cp)
+ {
+ for (;*cp; cp++)
+ if (*cp == '*')
+ {
+ memcpy (xpath_rev + len, "[^/]*", 5);
+ len += 5;
+ }
+ else if (*cp == ' ')
+ {
+
+ xpath_rev[len++] = 1;
+ xpath_rev[len++] = ' ';
+ }
+
+ else
+ xpath_rev[len++] = *cp;
+ xpath_rev[len++] = '/';
+ }
+ else if (i == 1) /* // case */
+ {
+ xpath_rev[len++] = '.';
+ xpath_rev[len++] = '*';
+ }
+ }
+ xpath_rev[len] = 0;
- if (!(s = resultSetGet (zi, resultSetId)))
- return rset_create (rset_kind_null, NULL);
- return s->rset;
+ if (xpath[level].predicate &&
+ xpath[level].predicate->which == XPATH_PREDICATE_RELATION &&
+ xpath[level].predicate->u.relation.name[0])
+ {
+ WRBUF wbuf = wrbuf_alloc();
+ wrbuf_puts(wbuf, xpath[level].predicate->u.relation.name+1);
+ if (xpath[level].predicate->u.relation.value)
+ {
+ const char *cp = xpath[level].predicate->u.relation.value;
+ wrbuf_putc(wbuf, '=');
+
+ while (*cp)
+ {
+ if (strchr(REGEX_CHARS, *cp))
+ wrbuf_putc(wbuf, '\\');
+ wrbuf_putc(wbuf, *cp);
+ cp++;
+ }
+ }
+ wrbuf_puts(wbuf, "");
+ rset_attr = xpath_trunc (
+ zh, stream, '0', wrbuf_buf(wbuf), 3,
+ curAttributeSet,rset_nmem);
+ wrbuf_free(wbuf, 1);
+ }
+ else
+ {
+ if (!first_path)
+ continue;
+ }
+ yaz_log (LOG_LOG, "xpath_rev (%d) = %s", level, xpath_rev);
+ if (strlen(xpath_rev))
+ {
+ rset_start_tag = xpath_trunc(zh, stream, '0',
+ xpath_rev, 1, curAttributeSet, rset_nmem);
+
+ rset_end_tag = xpath_trunc(zh, stream, '0',
+ xpath_rev, 2, curAttributeSet, rset_nmem);
+
+ /*
+ parms.key_size = sizeof(struct it_key);
+ parms.cmp = key_compare_it;
+ parms.rset_l = rset_start_tag;
+ parms.rset_m = rset;
+ parms.rset_r = rset_end_tag;
+ parms.rset_attr = rset_attr;
+ parms.printer = key_print_it;
+ rset = rset_create (rset_kind_between, &parms);
+ */
+ rset=rsbetween_create( rset_nmem,key_it_ctrl,key_it_ctrl->scope,
+ rset_start_tag, rset, rset_end_tag, rset_attr);
+ }
+ first_path = 0;
+ }
+ }
+
+ return rset;
}
-static RSET rpn_search_structure (ZServerInfo *zi, Z_RPNStructure *zs,
- oid_value attributeSet,
+
+
+static RSET rpn_search_APT (ZebraHandle zh, Z_AttributesPlusTerm *zapt,
+ oid_value attributeSet, NMEM stream,
+ Z_SortKeySpecList *sort_sequence,
+ int num_bases, char **basenames,
+ NMEM rset_nmem)
+{
+ unsigned reg_id;
+ char *search_type = NULL;
+ char rank_type[128];
+ int complete_flag;
+ int sort_flag;
+ char termz[IT_MAX_WORD+1];
+ RSET rset = 0;
+ int xpath_len;
+ int xpath_use = 0;
+ struct xpath_location_step xpath[10];
+
+ zebra_maps_attr (zh->reg->zebra_maps, zapt, ®_id, &search_type,
+ rank_type, &complete_flag, &sort_flag);
+
+ logf (LOG_DEBUG, "reg_id=%c", reg_id);
+ logf (LOG_DEBUG, "complete_flag=%d", complete_flag);
+ logf (LOG_DEBUG, "search_type=%s", search_type);
+ logf (LOG_DEBUG, "rank_type=%s", rank_type);
+
+ if (zapt_term_to_utf8(zh, zapt, termz))
+ return 0;
+
+ if (sort_flag)
+ return rpn_sort_spec (zh, zapt, attributeSet, stream, sort_sequence,
+ rank_type);
+ xpath_len = parse_xpath(zh, zapt, attributeSet, xpath, 10, stream);
+ if (xpath_len >= 0)
+ {
+ xpath_use = 1016;
+ if (xpath[xpath_len-1].part[0] == '@')
+ xpath_use = 1015;
+ }
+
+ if (!strcmp (search_type, "phrase"))
+ {
+ rset = rpn_search_APT_phrase (zh, zapt, termz, attributeSet, stream,
+ reg_id, complete_flag, rank_type,
+ xpath_use,
+ num_bases, basenames, rset_nmem);
+ }
+ else if (!strcmp (search_type, "and-list"))
+ {
+ rset = rpn_search_APT_and_list (zh, zapt, termz, attributeSet, stream,
+ reg_id, complete_flag, rank_type,
+ xpath_use,
+ num_bases, basenames, rset_nmem);
+ }
+ else if (!strcmp (search_type, "or-list"))
+ {
+ rset = rpn_search_APT_or_list (zh, zapt, termz, attributeSet, stream,
+ reg_id, complete_flag, rank_type,
+ xpath_use,
+ num_bases, basenames, rset_nmem);
+ }
+ else if (!strcmp (search_type, "local"))
+ {
+ rset = rpn_search_APT_local (zh, zapt, termz, attributeSet, stream,
+ rank_type, rset_nmem);
+ }
+ else if (!strcmp (search_type, "numeric"))
+ {
+ rset = rpn_search_APT_numeric (zh, zapt, termz, attributeSet, stream,
+ reg_id, complete_flag, rank_type,
+ xpath_use,
+ num_bases, basenames, rset_nmem);
+ }
+ else if (!strcmp (search_type, "always"))
+ {
+ rset = 0;
+ }
+ else
+ zh->errCode = 118;
+ return rpn_search_xpath (zh, attributeSet, num_bases, basenames,
+ stream, rank_type, rset,
+ xpath_len, xpath, rset_nmem);
+}
+
+static RSET rpn_search_structure (ZebraHandle zh, Z_RPNStructure *zs,
+ oid_value attributeSet,
+ NMEM stream, NMEM rset_nmem,
+ Z_SortKeySpecList *sort_sequence,
int num_bases, char **basenames)
{
RSET r = NULL;
if (zs->which == Z_RPNStructure_complex)
{
Z_Operator *zop = zs->u.complex->roperator;
- rset_bool_parms bool_parms;
- int soft = 0;
-
-
- bool_parms.rset_l = rpn_search_structure (zi, zs->u.complex->s1,
- attributeSet,
- num_bases, basenames);
- if (bool_parms.rset_l == NULL)
+ RSET rset_l;
+ RSET rset_r;
+
+ rset_l = rpn_search_structure (zh, zs->u.complex->s1,
+ attributeSet, stream, rset_nmem,
+ sort_sequence,
+ num_bases, basenames);
+ if (rset_l == NULL)
return NULL;
- if (rset_is_ranked(bool_parms.rset_l))
- soft = 1;
- bool_parms.rset_r = rpn_search_structure (zi, zs->u.complex->s2,
- attributeSet,
- num_bases, basenames);
- if (bool_parms.rset_r == NULL)
- {
- rset_delete (bool_parms.rset_l);
+ rset_r = rpn_search_structure (zh, zs->u.complex->s2,
+ attributeSet, stream, rset_nmem,
+ sort_sequence,
+ num_bases, basenames);
+ if (rset_r == NULL)
+ {
+ rset_delete (rset_l);
return NULL;
}
- if (rset_is_ranked(bool_parms.rset_r))
- soft = 1;
- bool_parms.key_size = sizeof(struct it_key);
- bool_parms.cmp = key_compare_it;
switch (zop->which)
{
case Z_Operator_and:
- r = rset_create (soft ? rset_kind_sand:rset_kind_and, &bool_parms);
+ r = rsbool_create_and(rset_nmem,key_it_ctrl, key_it_ctrl->scope,
+ rset_l,rset_r );
break;
case Z_Operator_or:
- r = rset_create (soft ? rset_kind_sor:rset_kind_or, &bool_parms);
+ r = rsbool_create_or(rset_nmem,key_it_ctrl, key_it_ctrl->scope,
+ rset_l,rset_r );
break;
case Z_Operator_and_not:
- r = rset_create (soft ? rset_kind_snot:rset_kind_not, &bool_parms);
+ r = rsbool_create_not(rset_nmem,key_it_ctrl, key_it_ctrl->scope,
+ rset_l,rset_r );
break;
case Z_Operator_prox:
- if (zop->u.prox->which != Z_ProxCode_known)
+ if (zop->u.prox->which != Z_ProximityOperator_known)
{
- zi->errCode = 132;
+ zh->errCode = 132;
return NULL;
}
- if (*zop->u.prox->proximityUnitCode != Z_ProxUnit_word)
+ if (*zop->u.prox->u.known != Z_ProxUnit_word)
{
- static char val[16];
- zi->errCode = 132;
- zi->errString = val;
- sprintf (val, "%d", *zop->u.prox->proximityUnitCode);
+ char *val = (char *) nmem_malloc (stream, 16);
+ zh->errCode = 132;
+ zh->errString = val;
+ sprintf (val, "%d", *zop->u.prox->u.known);
return NULL;
}
- r = rpn_proximity (bool_parms.rset_l, bool_parms.rset_r,
- *zop->u.prox->ordered,
- (!zop->u.prox->exclusion ? 0 :
- *zop->u.prox->exclusion),
- *zop->u.prox->relationType,
- *zop->u.prox->distance);
+ else
+ {
+ /* new / old prox */
+ RSET twosets[2];
+
+ twosets[0] = rset_l;
+ twosets[1] = rset_r;
+ r=rsprox_create(rset_nmem,key_it_ctrl,key_it_ctrl->scope,
+ 2, twosets,
+ *zop->u.prox->ordered,
+ (!zop->u.prox->exclusion ?
+ 0 : *zop->u.prox->exclusion),
+ *zop->u.prox->relationType,
+ *zop->u.prox->distance );
+ }
break;
default:
- zi->errCode = 110;
+ zh->errCode = 110;
return NULL;
}
}
if (zs->u.simple->which == Z_Operand_APT)
{
logf (LOG_DEBUG, "rpn_search_APT");
- r = rpn_search_APT (zi, zs->u.simple->u.attributesPlusTerm,
- attributeSet, num_bases, basenames);
+ r = rpn_search_APT (zh, zs->u.simple->u.attributesPlusTerm,
+ attributeSet, stream, sort_sequence,
+ num_bases, basenames,rset_nmem);
}
else if (zs->u.simple->which == Z_Operand_resultSetId)
{
logf (LOG_DEBUG, "rpn_search_ref");
- r = rpn_search_ref (zi, zs->u.simple->u.resultSetId);
+ r = resultSetRef (zh, zs->u.simple->u.resultSetId);
+ if (!r)
+ {
+ r = rsnull_create (rset_nmem,key_it_ctrl);
+ zh->errCode = 30;
+ zh->errString =
+ nmem_strdup (stream, zs->u.simple->u.resultSetId);
+ return 0;
+ }
+ else
+ rset_dup(r);
}
else
{
- zi->errCode = 3;
- return NULL;
+ zh->errCode = 3;
+ return 0;
}
}
else
{
- zi->errCode = 3;
- return NULL;
+ zh->errCode = 3;
+ return 0;
}
return r;
}
-void count_set_save (RSET *r, int *count)
-{
- int psysno = 0;
- int kno = 0;
- struct it_key key;
- RSFD rfd, wfd;
- RSET w;
- rset_temp_parms parms;
-
- logf (LOG_DEBUG, "count_set_save");
- *count = 0;
- parms.key_size = sizeof(struct it_key);
- w = rset_create (rset_kind_temp, &parms);
- wfd = rset_open (w, RSETF_WRITE|RSETF_SORT_SYSNO);
- rfd = rset_open (*r, RSETF_READ|RSETF_SORT_SYSNO);
- while (rset_read (*r, rfd, &key))
- {
- if (key.sysno != psysno)
- {
- if (*count < 400)
- rset_write (w, wfd, &key);
- (*count)++;
- psysno = key.sysno;
- }
- kno++;
- }
- rset_close (*r, rfd);
- rset_delete (*r);
- rset_close (w, wfd);
- *r = w;
- logf (LOG_DEBUG, "%d keys, %d distinct sysnos", kno, *count);
-}
-
-static void count_set (RSET r, int *count)
-{
- int psysno = 0;
- int kno = 0;
- struct it_key key;
- RSFD rfd;
-
- logf (LOG_DEBUG, "count_set");
- *count = 0;
- rfd = rset_open (r, RSETF_READ|RSETF_SORT_SYSNO);
- while (rset_read (r, rfd, &key))
- {
- if (key.sysno != psysno)
- {
- psysno = key.sysno;
- (*count)++;
- }
- kno++;
- }
- rset_close (r, rfd);
- logf (LOG_DEBUG, "%d keys, %d distinct sysnos", kno, *count);
-}
-int rpn_search (ZServerInfo *zi,
- Z_RPNQuery *rpn, int num_bases, char **basenames,
- const char *setname, int *hits)
+RSET rpn_search (ZebraHandle zh, NMEM nmem, NMEM rset_nmem,
+ Z_RPNQuery *rpn, int num_bases, char **basenames,
+ const char *setname,
+ ZebraSet sset)
{
RSET rset;
oident *attrset;
oid_value attributeSet;
-
- dict_grep_cmap (zi->dict, map_chrs_input);
- zlog_rpn (rpn);
-
- zi->errCode = 0;
- zi->errString = NULL;
-
+ Z_SortKeySpecList *sort_sequence;
+ int sort_status, i;
+
+ zh->errCode = 0;
+ zh->errString = NULL;
+ zh->hits = 0;
+
+ sort_sequence = (Z_SortKeySpecList *)
+ nmem_malloc (nmem, sizeof(*sort_sequence));
+ sort_sequence->num_specs = 10;
+ sort_sequence->specs = (Z_SortKeySpec **)
+ nmem_malloc (nmem, sort_sequence->num_specs *
+ sizeof(*sort_sequence->specs));
+ for (i = 0; i<sort_sequence->num_specs; i++)
+ sort_sequence->specs[i] = 0;
+
attrset = oid_getentbyoid (rpn->attributeSetId);
attributeSet = attrset->value;
- rset = rpn_search_structure (zi, rpn->RPNStructure, attributeSet,
- num_bases, basenames);
+ rset = rpn_search_structure (zh, rpn->RPNStructure, attributeSet,
+ nmem, rset_nmem,
+ sort_sequence, num_bases, basenames);
if (!rset)
- return zi->errCode;
- if (rset_is_volatile(rset))
- count_set_save(&rset,hits);
+ return 0;
+
+ if (zh->errCode)
+ logf (LOG_DEBUG, "search error: %d", zh->errCode);
+
+ for (i = 0; sort_sequence->specs[i]; i++)
+ ;
+ sort_sequence->num_specs = i;
+ if (!i)
+ resultSetRank (zh, sset, rset);
else
- count_set (rset, hits);
- resultSetAdd (zi, setname, 1, rset);
- if (zi->errCode)
- logf (LOG_DEBUG, "search error: %d", zi->errCode);
- return zi->errCode;
+ {
+ logf (LOG_DEBUG, "resultSetSortSingle in rpn_search");
+ resultSetSortSingle (zh, nmem, sset, rset,
+ sort_sequence, &sort_status);
+ if (zh->errCode)
+ {
+ logf (LOG_DEBUG, "resultSetSortSingle status = %d", zh->errCode);
+ }
+ }
+ return rset;
}
struct scan_info_entry {
char *term;
- ISAM_P isam_p;
+ ISAMC_P isam_p;
};
struct scan_info {
static int scan_handle (char *name, const char *info, int pos, void *client)
{
int len_prefix, idx;
- struct scan_info *scan_info = client;
+ struct scan_info *scan_info = (struct scan_info *) client;
len_prefix = strlen(scan_info->prefix);
if (memcmp (name, scan_info->prefix, len_prefix))
return 1;
- if (pos > 0)
- idx = scan_info->after - pos + scan_info->before;
+ if (pos > 0) idx = scan_info->after - pos + scan_info->before;
else
idx = - pos - 1;
- scan_info->list[idx].term = odr_malloc (scan_info->odr,
- strlen(name + len_prefix)+1);
+ scan_info->list[idx].term = (char *)
+ odr_malloc (scan_info->odr, strlen(name + len_prefix)+1);
strcpy (scan_info->list[idx].term, name + len_prefix);
- assert (*info == sizeof(ISAM_P));
- memcpy (&scan_info->list[idx].isam_p, info+1, sizeof(ISAM_P));
+ assert (*info == sizeof(ISAMC_P));
+ memcpy (&scan_info->list[idx].isam_p, info+1, sizeof(ISAMC_P));
return 0;
}
+static void scan_term_untrans (ZebraHandle zh, NMEM stream, int reg_type,
+ char **dst, const char *src)
+{
+ char term_src[IT_MAX_WORD];
+ char term_dst[IT_MAX_WORD];
+
+ term_untrans (zh, reg_type, term_src, src);
-static void scan_term_untrans (ODR odr, char **dstp, const char *src)
-{
- char *dst = odr_malloc (odr, strlen(src)*2+1);
- *dstp = dst;
+ if (zh->iconv_from_utf8 != 0)
+ {
+ int len;
+ char *inbuf = term_src;
+ size_t inleft = strlen(term_src);
+ char *outbuf = term_dst;
+ size_t outleft = sizeof(term_dst)-1;
+ size_t ret;
+
+ ret = yaz_iconv (zh->iconv_from_utf8, &inbuf, &inleft,
+ &outbuf, &outleft);
+ if (ret == (size_t)(-1))
+ len = 0;
+ else
+ len = outbuf - term_dst;
+ *dst = nmem_malloc (stream, len + 1);
+ if (len > 0)
+ memcpy (*dst, term_dst, len);
+ (*dst)[len] = '\0';
+ }
+ else
+ *dst = nmem_strdup (stream, term_src);
+}
- while (*src)
+static void count_set (RSET r, int *count)
+{
+ zint psysno = 0;
+ int kno = 0;
+ struct it_key key;
+ RSFD rfd;
+
+ logf (LOG_DEBUG, "count_set");
+
+ *count = 0;
+ rfd = rset_open (r, RSETF_READ);
+ while (rset_read (rfd, &key))
{
- const char *cp = map_chrs_output (&src);
- while (*cp)
- *dst++ = *cp++;
+#if IT_KEY_NEW
+ if (key.mem[0] != psysno)
+ {
+ psysno = key.mem[0];
+ (*count)++;
+ }
+#else
+ if (key.sysno != psysno)
+ {
+ psysno = key.sysno;
+ (*count)++;
+ }
+#endif
+ kno++;
}
- *dst = '\0';
+ rset_close (rfd);
+ logf (LOG_DEBUG, "%d keys, %d records", kno, *count);
}
-int rpn_scan (ZServerInfo *zi, Z_AttributesPlusTerm *zapt,
- oid_value attributeset,
- int num_bases, char **basenames,
- int *position, int *num_entries, struct scan_entry **list,
- int *status)
+void rpn_scan (ZebraHandle zh, ODR stream, Z_AttributesPlusTerm *zapt,
+ oid_value attributeset,
+ int num_bases, char **basenames,
+ int *position, int *num_entries, ZebraScanEntry **list,
+ int *is_partial, RSET limit_set, int return_zero)
{
int i;
int pos = *position;
char termz[IT_MAX_WORD+20];
AttrType use;
int use_value;
- AttrType completeness;
- int completeness_value;
+ const char *use_string = 0;
struct scan_info *scan_info_array;
- struct scan_entry *glist;
+ ZebraScanEntry *glist;
int ords[32], ord_no = 0;
int ptr[32];
- logf (LOG_DEBUG, "scan, position = %d, num = %d", pos, num);
+ int bases_ok = 0; /* no of databases with OK attribute */
+ int errCode = 0; /* err code (if any is not OK) */
+ char *errString = 0; /* addinfo */
+
+ unsigned reg_id;
+ char *search_type = NULL;
+ char rank_type[128];
+ int complete_flag;
+ int sort_flag;
+ NMEM rset_nmem=NULL;
+
+ *list = 0;
if (attributeset == VAL_NONE)
attributeset = VAL_BIB1;
+
+ if (!limit_set)
+ {
+ AttrType termset;
+ int termset_value_numeric;
+ const char *termset_value_string;
+ attr_init (&termset, zapt, 8);
+ termset_value_numeric =
+ attr_find_ex (&termset, NULL, &termset_value_string);
+ if (termset_value_numeric != -1)
+ {
+ char resname[32];
+ const char *termset_name = 0;
+
+ if (termset_value_numeric != -2)
+ {
+
+ sprintf (resname, "%d", termset_value_numeric);
+ termset_name = resname;
+ }
+ else
+ termset_name = termset_value_string;
+
+ limit_set = resultSetRef (zh, termset_name);
+ }
+ }
+
+ yaz_log (LOG_DEBUG, "position = %d, num = %d set=%d",
+ pos, num, attributeset);
attr_init (&use, zapt, 1);
- use_value = attr_find (&use, &attributeset);
- logf (LOG_DEBUG, "use value %d", use_value);
+ use_value = attr_find_ex (&use, &attributeset, &use_string);
- attr_init (&completeness, zapt, 6);
- completeness_value = attr_find (&completeness, NULL);
- logf (LOG_DEBUG, "completeness value %d", completeness_value);
+ if (zebra_maps_attr (zh->reg->zebra_maps, zapt, ®_id, &search_type,
+ rank_type, &complete_flag, &sort_flag))
+ {
+ *num_entries = 0;
+ zh->errCode = 113;
+ return ;
+ }
+ yaz_log (LOG_DEBUG, "use_value = %d", use_value);
if (use_value == -1)
use_value = 1016;
for (base_no = 0; base_no < num_bases && ord_no < 32; base_no++)
{
- attent *attp;
+ int r;
+ attent attp;
data1_local_attribute *local_attr;
- attp = att_getentbyatt (attributeset, use_value);
- if (!attp)
+ if ((r=att_getentbyatt (zh, &attp, attributeset, use_value,
+ use_string)))
{
logf (LOG_DEBUG, "att_getentbyatt fail. set=%d use=%d",
attributeset, use_value);
- return zi->errCode = 114;
+ if (r == -1)
+ {
+ char val_str[32];
+ sprintf (val_str, "%d", use_value);
+ errCode = 114;
+ errString = odr_strdup (stream, val_str);
+ }
+ else
+ errCode = 121;
+ continue;
}
- if (zebTargetInfo_curDatabase (zi->zti, basenames[base_no]))
+ if (zebraExplain_curDatabase (zh->reg->zei, basenames[base_no]))
{
- zi->errString = basenames[base_no];
- return zi->errCode = 109; /* Database unavailable */
+ zh->errString = basenames[base_no];
+ zh->errCode = 109; /* Database unavailable */
+ *num_entries = 0;
+ return;
}
- for (local_attr = attp->local_attributes; local_attr && ord_no < 32;
+ bases_ok++;
+ for (local_attr = attp.local_attributes; local_attr && ord_no < 32;
local_attr = local_attr->next)
{
int ord;
- ord = zebTargetInfo_lookupSU (zi->zti, attp->attset_ordinal,
- local_attr->local);
+ ord = zebraExplain_lookupSU (zh->reg->zei, attp.attset_ordinal,
+ local_attr->local);
if (ord > 0)
ords[ord_no++] = ord;
}
}
+ if (!bases_ok && errCode)
+ {
+ zh->errCode = errCode;
+ zh->errString = errString;
+ *num_entries = 0;
+ }
if (ord_no == 0)
- return zi->errCode = 113;
+ {
+ char val_str[32];
+ sprintf (val_str, "%d", use_value);
+ zh->errCode = 114;
+ zh->errString = odr_strdup (stream, val_str);
+
+ *num_entries = 0;
+ return;
+ }
+ /* prepare dictionary scanning */
before = pos-1;
after = 1+num-pos;
- scan_info_array = odr_malloc (zi->odr, ord_no * sizeof(*scan_info_array));
+ scan_info_array = (struct scan_info *)
+ odr_malloc (stream, ord_no * sizeof(*scan_info_array));
for (i = 0; i < ord_no; i++)
{
int j, prefix_len = 0;
int before_tmp = before, after_tmp = after;
struct scan_info *scan_info = scan_info_array + i;
+ struct rpn_char_map_info rcmi;
+
+ rpn_char_map_prepare (zh->reg, reg_id, &rcmi);
scan_info->before = before;
scan_info->after = after;
- scan_info->odr = zi->odr;
+ scan_info->odr = stream;
- scan_info->list = odr_malloc (zi->odr, (before+after)*
- sizeof(*scan_info->list));
+ scan_info->list = (struct scan_info_entry *)
+ odr_malloc (stream, (before+after) * sizeof(*scan_info->list));
for (j = 0; j<before+after; j++)
scan_info->list[j].term = NULL;
- termz[prefix_len++] = ords[i];
- termz[prefix_len++] =
- (completeness_value==2 || completeness_value==3) ? 'p': 'w';
+
+ prefix_len += key_SU_encode (ords[i], termz + prefix_len);
+ termz[prefix_len++] = reg_id;
termz[prefix_len] = 0;
strcpy (scan_info->prefix, termz);
- trans_scan_term (zi, zapt, termz+prefix_len);
+ if (trans_scan_term (zh, zapt, termz+prefix_len, reg_id))
+ return ;
- dict_scan (zi->dict, termz, &before_tmp, &after_tmp, scan_info,
- scan_handle);
+ dict_scan (zh->reg->dict, termz, &before_tmp, &after_tmp,
+ scan_info, scan_handle);
}
- glist = odr_malloc (zi->odr, (before+after)*sizeof(*glist));
+ glist = (ZebraScanEntry *)
+ odr_malloc (stream, (before+after)*sizeof(*glist));
+
+ rset_nmem=nmem_create();
+
+ /* consider terms after main term */
for (i = 0; i < ord_no; i++)
ptr[i] = before;
- *status = BEND_SCAN_SUCCESS;
+ *is_partial = 0;
for (i = 0; i<after; i++)
{
int j, j0 = -1;
}
if (j0 == -1)
break;
- scan_term_untrans (zi->odr, &glist[i+before].term, mterm);
- rset = rset_trunc (zi, &scan_info_array[j0].list[ptr[j0]].isam_p, 1);
-
+ scan_term_untrans (zh, stream->mem, reg_id,
+ &glist[i+before].term, mterm);
+ rset = rset_trunc (zh, &scan_info_array[j0].list[ptr[j0]].isam_p, 1,
+ glist[i+before].term, strlen(glist[i+before].term),
+ NULL, 0, zapt->term->which, rset_nmem,
+ key_it_ctrl,key_it_ctrl->scope);
ptr[j0]++;
for (j = j0+1; j<ord_no; j++)
{
(tst=scan_info_array[j].list[ptr[j]].term) &&
!strcmp (tst, mterm))
{
- rset_bool_parms bool_parms;
RSET rset2;
rset2 =
- rset_trunc (zi, &scan_info_array[j].list[ptr[j]].isam_p, 1);
-
- bool_parms.key_size = sizeof(struct it_key);
- bool_parms.cmp = key_compare_it;
- bool_parms.rset_l = rset;
- bool_parms.rset_r = rset2;
-
- rset = rset_create (rset_kind_or, &bool_parms);
+ rset_trunc (zh, &scan_info_array[j].list[ptr[j]].isam_p, 1,
+ glist[i+before].term,
+ strlen(glist[i+before].term), NULL, 0,
+ zapt->term->which,rset_nmem,
+ key_it_ctrl, key_it_ctrl->scope);
+ rset = rsbool_create_or(rset_nmem,key_it_ctrl,
+ key_it_ctrl->scope, rset, rset2);
+ /* FIXME - Use a proper multi-or */
ptr[j]++;
}
}
+ if (limit_set)
+ rset = rsbool_create_and(rset_nmem,key_it_ctrl,key_it_ctrl->scope,
+ rset, rset_dup(limit_set));
count_set (rset, &glist[i+before].occurrences);
rset_delete (rset);
}
if (i < after)
{
*num_entries -= (after-i);
- *status = BEND_SCAN_PARTIAL;
+ *is_partial = 1;
}
+ /* consider terms before main term */
for (i = 0; i<ord_no; i++)
ptr[i] = 0;
if (j0 == -1)
break;
- scan_term_untrans (zi->odr, &glist[before-1-i].term, mterm);
+ scan_term_untrans (zh, stream->mem, reg_id,
+ &glist[before-1-i].term, mterm);
rset = rset_trunc
- (zi, &scan_info_array[j0].list[before-1-ptr[j0]].isam_p, 1);
+ (zh, &scan_info_array[j0].list[before-1-ptr[j0]].isam_p, 1,
+ glist[before-1-i].term, strlen(glist[before-1-i].term),
+ NULL, 0, zapt->term->which,rset_nmem,
+ key_it_ctrl,key_it_ctrl->scope);
ptr[j0]++;
(tst=scan_info_array[j].list[before-1-ptr[j]].term) &&
!strcmp (tst, mterm))
{
- rset_bool_parms bool_parms;
RSET rset2;
- rset2 = rset_trunc (zi,
- &scan_info_array[j].list[before-1-ptr[j]].isam_p, 1);
-
- bool_parms.key_size = sizeof(struct it_key);
- bool_parms.cmp = key_compare_it;
- bool_parms.rset_l = rset;
- bool_parms.rset_r = rset2;
-
- rset = rset_create (rset_kind_or, &bool_parms);
-
+ rset2 = rset_trunc (zh,
+ &scan_info_array[j].list[before-1-ptr[j]].isam_p, 1,
+ glist[before-1-i].term,
+ strlen(glist[before-1-i].term), NULL, 0,
+ zapt->term->which, rset_nmem,
+ key_it_ctrl, key_it_ctrl->scope);
+ rset = rsbool_create_and(rset_nmem,key_it_ctrl,
+ key_it_ctrl->scope, rset, rset2);
+ /* FIXME - multi-and ?? */
ptr[j]++;
}
}
+ if (limit_set)
+ rset = rsbool_create_and(rset_nmem,key_it_ctrl,key_it_ctrl->scope,
+ rset, rset_dup(limit_set));
count_set (rset, &glist[before-1-i].occurrences);
rset_delete (rset);
}
i = before-i;
if (i)
{
- *status = BEND_SCAN_PARTIAL;
+ *is_partial = 1;
*position -= i;
*num_entries -= i;
}
+
+ nmem_destroy(rset_nmem);
*list = glist + i; /* list is set to first 'real' entry */
logf (LOG_DEBUG, "position = %d, num_entries = %d",
*position, *num_entries);
- if (zi->errCode)
- logf (LOG_DEBUG, "scan error: %d", zi->errCode);
- return zi->errCode;
+ if (zh->errCode)
+ logf (LOG_DEBUG, "scan error: %d", zh->errCode);
}
projects / idzebra-moved-to-github.git / blobdiff