1 /* $Id: zebramap.c,v 1.63 2007-11-05 11:36:23 adam Exp $
2 Copyright (C) 1995-2007
5 This file is part of the Zebra server.
7 Zebra is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with Zebra; see the file LICENSE.zebra. If not, write to the
19 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
29 #include <yaz/yaz-util.h>
33 #define ZEBRA_MAP_TYPE_SORT 1
34 #define ZEBRA_MAP_TYPE_INDEX 2
35 #define ZEBRA_MAP_TYPE_STATICRANK 3
37 #define ZEBRA_REPLACE_ANY 300
52 const char *maptab_name;
53 zebra_maps_t zebra_maps;
54 struct zebra_map *next;
62 const char *temp_map_ptr[2];
69 void zebra_maps_close(zebra_maps_t zms)
71 struct zebra_map *zm = zms->map_list;
75 chrmaptab_destroy(zm->maptab);
78 wrbuf_destroy(zms->wrbuf_1);
79 nmem_destroy(zms->nmem);
83 zebra_map_t zebra_add_map(zebra_maps_t zms, const char *index_type,
86 zebra_map_t zm = (zebra_map_t) nmem_malloc(zms->nmem, sizeof(*zm));
89 zm->id = nmem_strdup(zms->nmem, index_type);
95 zm->alwaysmatches = 0;
96 zm->first_in_field = 0;
99 zms->last_map->next = zm;
108 static int parse_command(zebra_maps_t zms, int argc, char **argv,
109 const char *fname, int lineno)
111 zebra_map_t zm = zms->last_map;
114 yaz_log(YLOG_WARN, "%s:%d: Missing arguments for '%s'",
115 fname, lineno, argv[0]);
120 yaz_log(YLOG_WARN, "%s:%d: Too many arguments for '%s'",
121 fname, lineno, argv[0]);
124 if (!yaz_matchstr(argv[0], "index"))
126 zm = zebra_add_map(zms, argv[1], ZEBRA_MAP_TYPE_INDEX);
129 else if (!yaz_matchstr(argv[0], "sort"))
131 zm = zebra_add_map(zms, argv[1], ZEBRA_MAP_TYPE_SORT);
132 zm->u.sort.entry_size = 80;
134 else if (!yaz_matchstr(argv[0], "staticrank"))
136 zm = zebra_add_map(zms, argv[1], ZEBRA_MAP_TYPE_STATICRANK);
137 zm->completeness = 1;
141 yaz_log(YLOG_WARN, "%s:%d: Missing sort/index before '%s'",
142 fname, lineno, argv[0]);
145 else if (!yaz_matchstr(argv[0], "charmap") && argc == 2)
147 if (zm->type != ZEBRA_MAP_TYPE_STATICRANK)
148 zm->maptab_name = nmem_strdup(zms->nmem, argv[1]);
151 yaz_log(YLOG_WARN|YLOG_FATAL, "%s:%d: charmap for "
152 "staticrank is invalid", fname, lineno);
153 yaz_log(YLOG_LOG, "Type is %d", zm->type);
157 else if (!yaz_matchstr(argv[0], "completeness") && argc == 2)
159 zm->completeness = atoi(argv[1]);
161 else if (!yaz_matchstr(argv[0], "position") && argc == 2)
163 zm->positioned = atoi(argv[1]);
165 else if (!yaz_matchstr(argv[0], "alwaysmatches") && argc == 2)
167 if (zm->type != ZEBRA_MAP_TYPE_STATICRANK)
168 zm->alwaysmatches = atoi(argv[1]);
171 yaz_log(YLOG_WARN|YLOG_FATAL, "%s:%d: alwaysmatches for "
172 "staticrank is invalid", fname, lineno);
176 else if (!yaz_matchstr(argv[0], "firstinfield") && argc == 2)
178 zm->first_in_field = atoi(argv[1]);
180 else if (!yaz_matchstr(argv[0], "entrysize") && argc == 2)
182 if (zm->type == ZEBRA_MAP_TYPE_SORT)
183 zm->u.sort.entry_size = atoi(argv[1]);
187 "%s:%d: entrysize only valid in sort section",
194 yaz_log(YLOG_WARN, "%s:%d: Unrecognized directive '%s'",
195 fname, lineno, argv[0]);
201 ZEBRA_RES zebra_maps_read_file(zebra_maps_t zms, const char *fname)
210 if (!(f = yaz_fopen(zms->tabpath, fname, "r", zms->tabroot)))
212 yaz_log(YLOG_ERRNO|YLOG_FATAL, "%s", fname);
215 while ((argc = readconf_line(f, &lineno, line, 512, argv, 10)))
217 int r = parse_command(zms, argc, argv, fname, lineno);
226 (zms->no_files_read)++;
230 zebra_maps_t zebra_maps_open(Res res, const char *base_path,
231 const char *profile_path)
233 zebra_maps_t zms = (zebra_maps_t) xmalloc(sizeof(*zms));
235 zms->nmem = nmem_create();
236 zms->tabpath = profile_path ? nmem_strdup(zms->nmem, profile_path) : 0;
239 zms->tabroot = nmem_strdup(zms->nmem, base_path);
243 zms->temp_map_str[0] = '\0';
244 zms->temp_map_str[1] = '\0';
246 zms->temp_map_ptr[0] = zms->temp_map_str;
247 zms->temp_map_ptr[1] = NULL;
249 zms->wrbuf_1 = wrbuf_alloc();
251 zms->no_files_read = 0;
255 zebra_map_t zebra_map_get(zebra_maps_t zms, const char *id)
258 for (zm = zms->map_list; zm; zm = zm->next)
259 if (!strcmp(zm->id, id))
264 zebra_map_t zebra_map_get_or_add(zebra_maps_t zms, const char *id)
266 struct zebra_map *zm = zebra_map_get(zms, id);
269 zm = zebra_add_map(zms, id, ZEBRA_MAP_TYPE_INDEX);
271 /* no reason to warn if no maps are read from file */
272 if (zms->no_files_read)
273 yaz_log(YLOG_WARN, "Unknown register type: %s", id);
275 zm->maptab_name = nmem_strdup(zms->nmem, "@");
276 zm->completeness = 0;
282 chrmaptab zebra_charmap_get(zebra_map_t zm)
286 if (!zm->maptab_name || !yaz_matchstr(zm->maptab_name, "@"))
288 if (!(zm->maptab = chrmaptab_create(zm->zebra_maps->tabpath,
290 zm->zebra_maps->tabroot)))
291 yaz_log(YLOG_WARN, "Failed to read character table %s",
294 yaz_log(YLOG_DEBUG, "Read character table %s", zm->maptab_name);
299 const char **zebra_maps_input(zebra_map_t zm,
300 const char **from, int len, int first)
302 chrmaptab maptab = zebra_charmap_get(zm);
304 return chr_map_input(maptab, from, len, first);
306 zm->zebra_maps->temp_map_str[0] = **from;
309 return zm->zebra_maps->temp_map_ptr;
312 const char **zebra_maps_search(zebra_map_t zm,
313 const char **from, int len, int *q_map_match)
318 maptab = zebra_charmap_get(zm);
322 map = chr_map_q_input(maptab, from, len, 0);
328 map = chr_map_input(maptab, from, len, 0);
332 zm->zebra_maps->temp_map_str[0] = **from;
335 return zm->zebra_maps->temp_map_ptr;
338 const char *zebra_maps_output(zebra_map_t zm,
341 chrmaptab maptab = zebra_charmap_get(zm);
344 return chr_map_output(maptab, from, 1);
348 /* ------------------------------------ */
350 int zebra_maps_is_complete(zebra_map_t zm)
353 return zm->completeness;
357 int zebra_maps_is_positioned(zebra_map_t zm)
360 return zm->positioned;
364 int zebra_maps_is_index(zebra_map_t zm)
367 return zm->type == ZEBRA_MAP_TYPE_INDEX;
371 int zebra_maps_is_staticrank(zebra_map_t zm)
374 return zm->type == ZEBRA_MAP_TYPE_STATICRANK;
378 int zebra_maps_is_sort(zebra_map_t zm)
381 return zm->type == ZEBRA_MAP_TYPE_SORT;
385 int zebra_maps_is_alwaysmatches(zebra_map_t zm)
388 return zm->alwaysmatches;
392 int zebra_maps_is_first_in_field(zebra_map_t zm)
395 return zm->first_in_field;
399 int zebra_maps_sort(zebra_maps_t zms, Z_SortAttributes *sortAttributes,
405 attr_init_AttrList(&use, sortAttributes->list, 1);
406 attr_init_AttrList(&structure, sortAttributes->list, 4);
409 structure_value = attr_find(&structure, 0);
410 if (structure_value == 109)
412 return attr_find(&use, NULL);
415 int zebra_maps_attr(zebra_maps_t zms, Z_AttributesPlusTerm *zapt,
416 const char **index_type, char **search_type, char *rank_type,
417 int *complete_flag, int *sort_flag)
419 AttrType completeness;
422 AttrType sort_relation;
425 int completeness_value;
427 const char *structure_str = 0;
429 int sort_relation_value;
433 attr_init_APT(&structure, zapt, 4);
434 attr_init_APT(&completeness, zapt, 6);
435 attr_init_APT(&relation, zapt, 2);
436 attr_init_APT(&sort_relation, zapt, 7);
437 attr_init_APT(&weight, zapt, 9);
438 attr_init_APT(&use, zapt, 1);
440 completeness_value = attr_find(&completeness, NULL);
441 structure_value = attr_find_ex(&structure, NULL, &structure_str);
442 relation_value = attr_find(&relation, NULL);
443 sort_relation_value = attr_find(&sort_relation, NULL);
444 weight_value = attr_find(&weight, NULL);
445 use_value = attr_find(&use, NULL);
447 if (completeness_value == 2 || completeness_value == 3)
453 *sort_flag =(sort_relation_value > 0) ? 1 : 0;
454 *search_type = "phrase";
455 strcpy(rank_type, "void");
456 if (relation_value == 102)
458 if (weight_value == -1)
460 sprintf(rank_type, "rank,w=%d,u=%d", weight_value, use_value);
466 switch (structure_value)
468 case 6: /* word list */
469 *search_type = "and-list";
471 case 105: /* free-form-text */
472 *search_type = "or-list";
474 case 106: /* document-text */
475 *search_type = "or-list";
480 case 108: /* string */
481 *search_type = "phrase";
483 case 107: /* local-number */
484 *search_type = "local";
487 case 109: /* numeric string */
489 *search_type = "numeric";
493 *search_type = "phrase";
497 *search_type = "phrase";
501 *search_type = "phrase";
505 *search_type = "phrase";
508 if (structure_str && *structure_str)
509 *index_type = structure_str;
519 WRBUF zebra_replace(zebra_map_t zm, const char *ex_list,
520 const char *input_str, int input_len)
522 wrbuf_rewind(zm->zebra_maps->wrbuf_1);
523 wrbuf_write(zm->zebra_maps->wrbuf_1, input_str, input_len);
524 return zm->zebra_maps->wrbuf_1;
530 * indent-tabs-mode: nil
532 * vim: shiftwidth=4 tabstop=8 expandtab