-/*
- * Copyright (C) 1994-1997, Index Data I/S
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: zebramap.c,v $
- * Revision 1.1 1997-10-27 14:33:06 adam
- * Moved towards generic character mapping depending on "structure"
- * field in abstract syntax file. Fixed a few memory leaks. Fixed
- * bug with negative integers when doing searches with relational
- * operators.
- *
- */
+/* $Id: zebramap.c,v 1.58 2007-03-21 13:47:12 adam Exp $
+ Copyright (C) 1995-2007
+ 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 <assert.h>
+#include <stdlib.h>
#include <ctype.h>
-#include <yaz-util.h>
#include <charmap.h>
+#include <attrfind.h>
+#include <yaz/yaz-util.h>
+
#include <zebramap.h>
+#define ZEBRA_MAP_TYPE_SORT 1
+#define ZEBRA_MAP_TYPE_INDEX 2
+#define ZEBRA_MAP_TYPE_STATICRANK 3
+
+#define ZEBRA_REPLACE_ANY 300
+
struct zebra_map {
- int reg_type;
+ unsigned reg_id;
+ int completeness;
+ int positioned;
+ int alwaysmatches;
+ int first_in_field;
+ int type;
+ union {
+ struct {
+ int dummy;
+ } index;
+ struct {
+ int entry_size;
+ } sort;
+ } u;
chrmaptab maptab;
+ const char *maptab_name;
struct zebra_map *next;
};
struct zebra_maps {
char *tabpath;
+ char *tabroot;
NMEM nmem;
struct zebra_map *map_list;
+ char temp_map_str[2];
+ const char *temp_map_ptr[2];
+ struct zebra_map **lookup_array;
+ WRBUF wrbuf_1;
+ int no_maps;
};
-void zebra_maps_close (ZebraMaps zms)
+void zebra_maps_close(ZebraMaps zms)
{
struct zebra_map *zm = zms->map_list;
while (zm)
{
- struct zebra_map *zm_next = zm->next;
+ if (zm->maptab)
+ chrmaptab_destroy(zm->maptab);
+ zm = zm->next;
+ }
+ wrbuf_destroy(zms->wrbuf_1);
+ nmem_destroy(zms->nmem);
+ xfree(zms);
+}
- chrmaptab_destroy (zm->maptab);
- xfree (zm);
- zm = zm_next;
+ZEBRA_RES zebra_maps_read_file(ZebraMaps zms, const char *fname)
+{
+ FILE *f;
+ char line[512];
+ char *argv[10];
+ int argc;
+ int lineno = 0;
+ int failures = 0;
+ struct zebra_map **zm = 0, *zp;
+
+ if (!(f = yaz_fopen(zms->tabpath, fname, "r", zms->tabroot)))
+ {
+ yaz_log(YLOG_ERRNO|YLOG_FATAL, "%s", fname);
+ return ZEBRA_FAIL;
}
- nmem_destroy (zms->nmem);
- xfree (zms);
+ while ((argc = readconf_line(f, &lineno, line, 512, argv, 10)))
+ {
+ if (argc == 1)
+ {
+ yaz_log(YLOG_WARN, "%s:%d: Missing arguments for '%s'",
+ fname, lineno, argv[0]);
+ failures++;
+ break;
+ }
+ if (argc > 2)
+ {
+ yaz_log(YLOG_WARN, "%s:%d: Too many arguments for '%s'",
+ fname, lineno, argv[0]);
+ failures++;
+ break;
+ }
+ if (!yaz_matchstr(argv[0], "index"))
+ {
+ if (!zm)
+ zm = &zms->map_list;
+ else
+ zm = &(*zm)->next;
+ *zm = (struct zebra_map *) nmem_malloc(zms->nmem, sizeof(**zm));
+ (*zm)->reg_id = argv[1][0];
+ (*zm)->maptab_name = NULL;
+ (*zm)->maptab = NULL;
+ (*zm)->type = ZEBRA_MAP_TYPE_INDEX;
+ (*zm)->completeness = 0;
+ (*zm)->positioned = 1;
+ (*zm)->alwaysmatches = 0;
+ (*zm)->first_in_field = 0;
+ zms->no_maps++;
+ }
+ else if (!yaz_matchstr(argv[0], "sort"))
+ {
+ if (!zm)
+ zm = &zms->map_list;
+ else
+ zm = &(*zm)->next;
+ *zm = (struct zebra_map *) nmem_malloc(zms->nmem, sizeof(**zm));
+ (*zm)->reg_id = argv[1][0];
+ (*zm)->maptab_name = NULL;
+ (*zm)->type = ZEBRA_MAP_TYPE_SORT;
+ (*zm)->u.sort.entry_size = 80;
+ (*zm)->maptab = NULL;
+ (*zm)->completeness = 0;
+ (*zm)->positioned = 0;
+ (*zm)->alwaysmatches = 0;
+ (*zm)->first_in_field = 0;
+ zms->no_maps++;
+ }
+ else if (!yaz_matchstr(argv[0], "staticrank"))
+ {
+ if (!zm)
+ zm = &zms->map_list;
+ else
+ zm = &(*zm)->next;
+ *zm = (struct zebra_map *) nmem_malloc(zms->nmem, sizeof(**zm));
+ (*zm)->reg_id = argv[1][0];
+ (*zm)->maptab_name = NULL;
+ (*zm)->type = ZEBRA_MAP_TYPE_STATICRANK;
+ (*zm)->maptab = NULL;
+ (*zm)->completeness = 1;
+ (*zm)->positioned = 0;
+ (*zm)->alwaysmatches = 0;
+ (*zm)->first_in_field = 0;
+ zms->no_maps++;
+ }
+ else if (!zm)
+ {
+ yaz_log(YLOG_WARN, "%s:%d: Missing sort/index before '%s'",
+ fname, lineno, argv[0]);
+ failures++;
+ }
+ else if (!yaz_matchstr(argv[0], "charmap") && argc == 2)
+ {
+ if ((*zm)->type != ZEBRA_MAP_TYPE_STATICRANK)
+ (*zm)->maptab_name = nmem_strdup(zms->nmem, argv[1]);
+ else
+ {
+ yaz_log(YLOG_WARN|YLOG_FATAL, "%s:%d: charmap for "
+ "staticrank is invalid", fname, lineno);
+ yaz_log(YLOG_LOG, "Type is %d", (*zm)->type);
+ failures++;
+ }
+ }
+ else if (!yaz_matchstr(argv[0], "completeness") && argc == 2)
+ {
+ (*zm)->completeness = atoi(argv[1]);
+ }
+ else if (!yaz_matchstr(argv[0], "position") && argc == 2)
+ {
+ (*zm)->positioned = atoi(argv[1]);
+ }
+ else if (!yaz_matchstr(argv[0], "alwaysmatches") && argc == 2)
+ {
+ if ((*zm)->type != ZEBRA_MAP_TYPE_STATICRANK)
+ (*zm)->alwaysmatches = atoi(argv[1]);
+ else
+ {
+ yaz_log(YLOG_WARN|YLOG_FATAL, "%s:%d: alwaysmatches for "
+ "staticrank is invalid", fname, lineno);
+ failures++;
+ }
+ }
+ else if (!yaz_matchstr(argv[0], "firstinfield") && argc == 2)
+ {
+ (*zm)->first_in_field = atoi(argv[1]);
+ }
+ else if (!yaz_matchstr(argv[0], "entrysize") && argc == 2)
+ {
+ if ((*zm)->type == ZEBRA_MAP_TYPE_SORT)
+ (*zm)->u.sort.entry_size = atoi(argv[1]);
+ }
+ else
+ {
+ yaz_log(YLOG_WARN, "%s:%d: Unrecognized directive '%s'",
+ fname, lineno, argv[0]);
+ failures++;
+ }
+ }
+ if (zm)
+ (*zm)->next = NULL;
+ yaz_fclose(f);
+
+ for (zp = zms->map_list; zp; zp = zp->next)
+ zms->lookup_array[zp->reg_id] = zp;
+
+ if (failures)
+ return ZEBRA_FAIL;
+ return ZEBRA_OK;
}
-ZebraMaps zebra_maps_open (const char *tabpath)
+ZebraMaps zebra_maps_open(Res res, const char *base_path,
+ const char *profile_path)
{
- ZebraMaps zms = xmalloc (sizeof(*zms));
+ ZebraMaps zms = (ZebraMaps) xmalloc(sizeof(*zms));
+ int i;
- zms->nmem = nmem_create ();
- zms->tabpath = nmem_strdup (zms->nmem, tabpath);
+ zms->nmem = nmem_create();
+ zms->no_maps = 0;
+ zms->tabpath = profile_path ? nmem_strdup(zms->nmem, profile_path) : 0;
+ zms->tabroot = 0;
+ if (base_path)
+ zms->tabroot = nmem_strdup(zms->nmem, base_path);
zms->map_list = NULL;
+
+ zms->temp_map_str[0] = '\0';
+ zms->temp_map_str[1] = '\0';
+
+ zms->temp_map_ptr[0] = zms->temp_map_str;
+ zms->temp_map_ptr[1] = NULL;
+
+ zms->lookup_array = (struct zebra_map**)
+ nmem_malloc(zms->nmem, sizeof(*zms->lookup_array)*256);
+ zms->wrbuf_1 = wrbuf_alloc();
+
+ for (i = 0; i<256; i++)
+ zms->lookup_array[i] = 0;
return zms;
}
-chrmaptab zebra_map_get (ZebraMaps zms, int reg_type)
+struct zebra_map *zebra_map_get(ZebraMaps zms, unsigned reg_id)
{
- char name[512];
- struct zebra_map *zm;
+ assert(reg_id >= 0 && reg_id <= 255);
+ return zms->lookup_array[reg_id];
+}
- for (zm = zms->map_list; zm; zm = zm->next)
+chrmaptab zebra_charmap_get(ZebraMaps zms, unsigned reg_id)
+{
+ struct zebra_map *zm = zebra_map_get(zms, reg_id);
+ if (!zm)
{
- if (reg_type == zm->reg_type)
- return zm->maptab;
+ zm = (struct zebra_map *) nmem_malloc(zms->nmem, sizeof(*zm));
+
+ /* no reason to warn if no maps are installed at ALL */
+ if (zms->no_maps)
+ yaz_log(YLOG_WARN, "Unknown register type: %c", reg_id);
+
+ zm->reg_id = reg_id;
+ zm->maptab_name = nmem_strdup(zms->nmem, "@");
+ zm->maptab = NULL;
+ zm->type = ZEBRA_MAP_TYPE_INDEX;
+ zm->completeness = 0;
+ zm->next = zms->map_list;
+ zms->map_list = zm->next;
+
+ zms->lookup_array[zm->reg_id & 255] = zm;
}
- *name = '\0';
- switch (reg_type)
+ if (!zm->maptab)
{
- case 'w':
- case 'p':
- strcat (name, "string");
- break;
- case 'n':
- strcat (name, "numeric");
- break;
- case 'u':
- strcat (name, "urx");
- break;
- default:
- strcat (name, "null");
+ if (!zm->maptab_name || !yaz_matchstr(zm->maptab_name, "@"))
+ return NULL;
+ if (!(zm->maptab = chrmaptab_create(zms->tabpath,
+ zm->maptab_name,
+ zms->tabroot)))
+ yaz_log(YLOG_WARN, "Failed to read character table %s",
+ zm->maptab_name);
+ else
+ yaz_log(YLOG_DEBUG, "Read character table %s", zm->maptab_name);
}
- strcat (name, ".chr");
-
- zm = xmalloc (sizeof(*zm));
- zm->reg_type = reg_type;
- zm->next = zms->map_list;
- zms->map_list = zm;
- if (!(zm->maptab = chrmaptab_create (zms->tabpath, name, 0)))
- logf(LOG_WARN, "Failed to read character table %s", name);
- else
- logf(LOG_LOG, "Read table %s", name);
return zm->maptab;
}
-const char **zebra_maps_input (ZebraMaps zms, int reg_type,
- const char **from, int len)
+const char **zebra_maps_input(ZebraMaps zms, unsigned reg_id,
+ const char **from, int len, int first)
{
- static char str[2] = {0,0};
- static const char *buf[2] = {0,0};
chrmaptab maptab;
- maptab = zebra_map_get (zms, reg_type);
+ maptab = zebra_charmap_get(zms, reg_id);
if (maptab)
- return chr_map_input(maptab, from, len);
-
- if (isalnum(**from))
- {
- str[0] = isupper(**from) ? tolower(**from) : **from;
- buf[0] = str;
- }
- else
- buf[0] = (char*) CHR_SPACE;
+ return chr_map_input(maptab, from, len, first);
+
+ zms->temp_map_str[0] = **from;
+
(*from)++;
- return buf;
+ return zms->temp_map_ptr;
}
-const char *zebra_maps_output(ZebraMaps zms, int reg_type, const char **from)
+const char **zebra_maps_search(ZebraMaps zms, unsigned reg_id,
+ const char **from, int len, int *q_map_match)
{
chrmaptab maptab;
- unsigned char i = (unsigned char) **from;
- static char buf[2] = {0,0};
-
- maptab = zebra_map_get (zms, reg_type);
+
+ *q_map_match = 0;
+ maptab = zebra_charmap_get(zms, reg_id);
if (maptab)
- return chr_map_output (maptab, from, 1);
+ {
+ const char **map;
+ map = chr_map_q_input(maptab, from, len, 0);
+ if (map && map[0])
+ {
+ *q_map_match = 1;
+ return map;
+ }
+ map = chr_map_input(maptab, from, len, 0);
+ if (map)
+ return map;
+ }
+ zms->temp_map_str[0] = **from;
+
(*from)++;
- buf[0] = i;
- return buf;
+ return zms->temp_map_ptr;
+}
+
+const char *zebra_maps_output(ZebraMaps zms, unsigned reg_id,
+ const char **from)
+{
+ chrmaptab maptab = zebra_charmap_get(zms, reg_id);
+ if (!maptab)
+ return 0;
+ return chr_map_output(maptab, from, 1);
}
/* ------------------------------------ */
-typedef struct {
- int type;
- int major;
- int minor;
- Z_AttributesPlusTerm *zapt;
-} AttrType;
+int zebra_maps_is_complete(ZebraMaps zms, unsigned reg_id)
+{
+ struct zebra_map *zm = zebra_map_get(zms, reg_id);
+ if (zm)
+ return zm->completeness;
+ return 0;
+}
-static int attr_find (AttrType *src, oid_value *attributeSetP)
+int zebra_maps_is_positioned(ZebraMaps zms, unsigned reg_id)
{
- while (src->major < src->zapt->num_attributes)
- {
- Z_AttributeElement *element;
+ struct zebra_map *zm = zebra_map_get(zms, reg_id);
+ if (zm)
+ return zm->positioned;
+ return 0;
+}
- element = src->zapt->attributeList[src->major];
- if (src->type == *element->attributeType)
- {
- switch (element->which)
- {
- case Z_AttributeValue_numeric:
- ++(src->major);
- if (element->attributeSet && attributeSetP)
- {
- oident *attrset;
-
- attrset = oid_getentbyoid (element->attributeSet);
- *attributeSetP = attrset->value;
- }
- 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)
- 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;
- default:
- assert (0);
- }
- }
- ++(src->major);
- }
- return -1;
+int zebra_maps_is_index(ZebraMaps zms, unsigned reg_id)
+{
+ struct zebra_map *zm = zebra_map_get(zms, reg_id);
+ if (zm)
+ return zm->type == ZEBRA_MAP_TYPE_INDEX;
+ return 0;
}
-static void attr_init (AttrType *src, Z_AttributesPlusTerm *zapt,
- int type)
+int zebra_maps_is_staticrank(ZebraMaps zms, unsigned reg_id)
{
- src->zapt = zapt;
- src->type = type;
- src->major = 0;
- src->minor = 0;
+ struct zebra_map *zm = zebra_map_get(zms, reg_id);
+ if (zm)
+ return zm->type == ZEBRA_MAP_TYPE_STATICRANK;
+ return 0;
+}
+
+int zebra_maps_is_sort(ZebraMaps zms, unsigned reg_id)
+{
+ struct zebra_map *zm = zebra_map_get(zms, reg_id);
+ if (zm)
+ return zm->type == ZEBRA_MAP_TYPE_SORT;
+ return 0;
}
-/* ------------------------------------ */
+int zebra_maps_is_alwaysmatches(ZebraMaps zms, unsigned reg_id)
+{
+ struct zebra_map *zm = zebra_map_get(zms, reg_id);
+ if (zm)
+ return zm->alwaysmatches;
+ return 0;
+}
-int zebra_maps_is_complete (ZebraMaps zms, int reg_type)
+int zebra_maps_is_first_in_field(ZebraMaps zms, unsigned reg_id)
{
- if (reg_type == 'p')
- return 1;
+ struct zebra_map *zm = zebra_map_get(zms, reg_id);
+ if (zm)
+ return zm->first_in_field;
return 0;
}
-int zebra_maps_attr (ZebraMaps zms, Z_AttributesPlusTerm *zapt,
- int *reg_type, char **search_type, int *complete_flag)
+int zebra_maps_sort(ZebraMaps zms, Z_SortAttributes *sortAttributes,
+ int *numerical)
+{
+ AttrType use;
+ AttrType structure;
+ int structure_value;
+ attr_init_AttrList(&use, sortAttributes->list, 1);
+ attr_init_AttrList(&structure, sortAttributes->list, 4);
+
+ *numerical = 0;
+ structure_value = attr_find(&structure, 0);
+ if (structure_value == 109)
+ *numerical = 1;
+ return attr_find(&use, NULL);
+}
+
+int zebra_maps_attr(ZebraMaps zms, Z_AttributesPlusTerm *zapt,
+ unsigned *reg_id, char **search_type, char *rank_type,
+ int *complete_flag, int *sort_flag)
{
AttrType completeness;
AttrType structure;
AttrType relation;
+ AttrType sort_relation;
+ AttrType weight;
+ AttrType use;
int completeness_value;
int structure_value;
+ const char *structure_str = 0;
int relation_value;
+ int sort_relation_value;
+ int weight_value;
+ int use_value;
- attr_init (&structure, zapt, 4);
- attr_init (&completeness, zapt, 6);
- attr_init (&relation, zapt, 2);
+ attr_init_APT(&structure, zapt, 4);
+ attr_init_APT(&completeness, zapt, 6);
+ attr_init_APT(&relation, zapt, 2);
+ attr_init_APT(&sort_relation, zapt, 7);
+ attr_init_APT(&weight, zapt, 9);
+ attr_init_APT(&use, zapt, 1);
- completeness_value = attr_find (&completeness, NULL);
- structure_value = attr_find (&structure, NULL);
+ completeness_value = attr_find(&completeness, NULL);
+ structure_value = attr_find_ex(&structure, NULL, &structure_str);
+ relation_value = attr_find(&relation, NULL);
+ sort_relation_value = attr_find(&sort_relation, NULL);
+ weight_value = attr_find(&weight, NULL);
+ use_value = attr_find(&use, NULL);
if (completeness_value == 2 || completeness_value == 3)
*complete_flag = 1;
else
*complete_flag = 0;
- *reg_type = 0;
+ *reg_id = 0;
+ *sort_flag =(sort_relation_value > 0) ? 1 : 0;
*search_type = "phrase";
+ strcpy(rank_type, "void");
if (relation_value == 102)
- *search_type = "ranked";
-
+ {
+ if (weight_value == -1)
+ weight_value = 34;
+ sprintf(rank_type, "rank,w=%d,u=%d", weight_value, use_value);
+ }
+ if (*complete_flag)
+ *reg_id = 'p';
+ else
+ *reg_id = 'w';
switch (structure_value)
{
- case -1:
- case 1: /* phrase */
- case 2: /* word */
- case 3: /* key */
case 6: /* word list */
+ *search_type = "and-list";
+ break;
case 105: /* free-form-text */
+ *search_type = "or-list";
+ break;
case 106: /* document-text */
+ *search_type = "or-list";
+ break;
+ case -1:
+ case 1: /* phrase */
+ case 2: /* word */
case 108: /* string */
- if (*complete_flag)
- *reg_type = 'p';
- else
- *reg_type = 'w';
+ *search_type = "phrase";
break;
case 107: /* local-number */
*search_type = "local";
- *reg_type = 0;
+ *reg_id = 0;
+ break;
case 109: /* numeric string */
- *reg_type = 'n';
+ *reg_id = 'n';
+ *search_type = "numeric";
break;
case 104: /* urx */
- *reg_type = 'u';
+ *reg_id = 'u';
+ *search_type = "phrase";
break;
+ case 3: /* key */
+ *reg_id = '0';
+ *search_type = "phrase";
+ break;
+ case 4: /* year */
+ *reg_id = 'y';
+ *search_type = "phrase";
+ break;
+ case 5: /* date */
+ *reg_id = 'd';
+ *search_type = "phrase";
+ break;
+ case -2:
+ if (structure_str && *structure_str)
+ *reg_id = *structure_str;
+ else
+ return -1;
+ break;
default:
return -1;
}
return 0;
}
+
+WRBUF zebra_replace(ZebraMaps zms, unsigned reg_id, const char *ex_list,
+ const char *input_str, int input_len)
+{
+ wrbuf_rewind(zms->wrbuf_1);
+ wrbuf_write(zms->wrbuf_1, input_str, input_len);
+ return zms->wrbuf_1;
+}
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+