X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=util%2Fzebramap.c;h=238c0343acb075d73619e3a274b9121c5f869f18;hb=eca0079ec91514049034728df2b91a26566a5d89;hp=4e24daa67ca596f132dac88dde5ffe8c6c009c15;hpb=01ddc55fd5a59535e229c09440cfdadccadf3555;p=idzebra-moved-to-github.git diff --git a/util/zebramap.c b/util/zebramap.c index 4e24daa..238c034 100644 --- a/util/zebramap.c +++ b/util/zebramap.c @@ -1,81 +1,38 @@ -/* - * Copyright (C) 1994-1999, Index Data - * All rights reserved. - * Sebastian Hammer, Adam Dickmeiss - * - * $Log: zebramap.c,v $ - * Revision 1.16 1999-09-07 07:19:21 adam - * Work on character mapping. Implemented replace rules. - * - * Revision 1.15 1999/05/26 07:49:14 adam - * C++ compilation. - * - * Revision 1.14 1999/02/19 10:37:40 adam - * Minor fix. - * - * Revision 1.13 1999/02/18 15:01:04 adam - * Structure=key uses register type 0. - * - * Revision 1.12 1999/02/12 13:29:25 adam - * Implemented position-flag for registers. - * - * Revision 1.11 1998/10/13 20:09:19 adam - * Changed call to readconf_line. - * - * Revision 1.10 1998/06/23 15:33:37 adam - * Added feature to specify sort criteria in query (type 7 specifies - * sort flags). - * - * Revision 1.9 1998/04/02 14:35:30 adam - * First version of Zebra that works with compiled ASN.1. - * - * Revision 1.8 1998/03/05 08:42:44 adam - * Minor changes to zebramap data structures. Query mapping rules changed. - * - * Revision 1.7 1998/02/10 12:03:07 adam - * Implemented Sort. - * - * Revision 1.6 1998/01/29 13:36:01 adam - * Structure word-list, free-form-text and document-text all - * trigger ranked search. - * - * Revision 1.5 1997/11/19 10:22:14 adam - * Bug fix (introduced by previous commit). - * - * Revision 1.4 1997/11/18 10:05:08 adam - * Changed character map facility so that admin can specify character - * mapping files for each register type, w, p, etc. - * - * Revision 1.3 1997/11/17 15:35:26 adam - * Bug fix. Relation=relevance wasn't observed. - * - * Revision 1.2 1997/10/31 12:39:30 adam - * Changed log message. - * - * 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 1.43 2005-08-30 12:23:02 adam Exp $ + Copyright (C) 1995-2005 + 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 +#include #include -#include #include -#include +#include + +#include #define ZEBRA_MAP_TYPE_SORT 1 #define ZEBRA_MAP_TYPE_INDEX 2 -struct zm_token { - char *token_from; - char *token_to; - int token_min; - struct zm_token *next; -}; +#define ZEBRA_REPLACE_ANY 300 struct zebra_map { unsigned reg_id; @@ -93,17 +50,17 @@ struct zebra_map { chrmaptab maptab; const char *maptab_name; struct zebra_map *next; - struct zm_token *replace_tokens; }; 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, wrbuf_2; + WRBUF wrbuf_1; }; void zebra_maps_close (ZebraMaps zms) @@ -116,7 +73,6 @@ void zebra_maps_close (ZebraMaps zms) zm = zm->next; } wrbuf_free (zms->wrbuf_1, 1); - wrbuf_free (zms->wrbuf_2, 1); nmem_destroy (zms->nmem); xfree (zms); } @@ -130,9 +86,9 @@ static void zebra_map_read (ZebraMaps zms, const char *name) int lineno = 0; struct zebra_map **zm = 0, *zp; - if (!(f = yaz_path_fopen(zms->tabpath, name, "r"))) + if (!(f = yaz_fopen(zms->tabpath, name, "r", zms->tabroot))) { - logf(LOG_WARN|LOG_ERRNO, "%s", name); + yaz_log(YLOG_WARN|YLOG_ERRNO, "%s", name); return ; } while ((argc = readconf_line(f, &lineno, line, 512, argv, 10))) @@ -150,7 +106,6 @@ static void zebra_map_read (ZebraMaps zms, const char *name) (*zm)->type = ZEBRA_MAP_TYPE_INDEX; (*zm)->completeness = 0; (*zm)->positioned = 1; - (*zm)->replace_tokens = 0; } else if (!yaz_matchstr (argv[0], "sort") && argc == 2) { @@ -184,47 +139,10 @@ static void zebra_map_read (ZebraMaps zms, const char *name) if ((*zm)->type == ZEBRA_MAP_TYPE_SORT) (*zm)->u.sort.entry_size = atoi (argv[1]); } - else if (zm && !yaz_matchstr (argv[0], "replace") && argc >= 2) - { - struct zm_token *token = nmem_malloc (zms->nmem, sizeof(*token)); - char *cp, *dp; - token->next = (*zm)->replace_tokens; - (*zm)->replace_tokens = token; - dp = token->token_from = nmem_strdup (zms->nmem, cp = argv[1]); - while (*cp) - { - if (*cp == '$') - { - *dp++ = ' '; - cp++; - } - else - *dp++ = zebra_prim(&cp); - } - *dp = '\0'; - - if (argc >= 3) - { - dp = token->token_to = nmem_strdup (zms->nmem, cp = argv[2]); - while (*cp) - { - if (*cp == '$') - { - *dp++ = ' '; - cp++; - } - else - *dp++ = zebra_prim(&cp); - } - *dp = '\0'; - } - else - token->token_to = 0; - } } if (zm) (*zm)->next = NULL; - fclose (f); + yaz_fclose (f); for (zp = zms->map_list; zp; zp = zp->next) zms->lookup_array[zp->reg_id] = zp; @@ -237,14 +155,18 @@ static void zms_map_handle (void *p, const char *name, const char *value) zebra_map_read (zms, value); } -ZebraMaps zebra_maps_open (Res res) +ZebraMaps zebra_maps_open (Res res, const char *base) { ZebraMaps zms = (ZebraMaps) xmalloc (sizeof(*zms)); int i; zms->nmem = nmem_create (); zms->tabpath = nmem_strdup (zms->nmem, - res_get_def (res, "profilePath", ".")); + res_get_def (res, "profilePath", + DEFAULT_PROFILE_PATH)); + zms->tabroot = 0; + if (base) + zms->tabroot = nmem_strdup (zms->nmem, base); zms->map_list = NULL; zms->temp_map_str[0] = '\0'; @@ -261,12 +183,13 @@ ZebraMaps zebra_maps_open (Res res) zebra_map_read (zms, "default.idx"); zms->wrbuf_1 = wrbuf_alloc(); - zms->wrbuf_2 = wrbuf_alloc(); + return zms; } struct zebra_map *zebra_map_get (ZebraMaps zms, unsigned reg_id) { + assert(reg_id >= 0 && reg_id <= 255); return zms->lookup_array[reg_id]; } @@ -276,10 +199,10 @@ chrmaptab zebra_charmap_get (ZebraMaps zms, unsigned reg_id) if (!zm) { zm = (struct zebra_map *) nmem_malloc (zms->nmem, sizeof(*zm)); - logf (LOG_WARN, "Unknown register type: %c", reg_id); + yaz_log (YLOG_WARN, "Unknown register type: %c", reg_id); zm->reg_id = reg_id; - zm->maptab_name = NULL; + zm->maptab_name = nmem_strdup (zms->nmem, "@"); zm->maptab = NULL; zm->type = ZEBRA_MAP_TYPE_INDEX; zm->completeness = 0; @@ -293,23 +216,24 @@ chrmaptab zebra_charmap_get (ZebraMaps zms, unsigned reg_id) if (!zm->maptab_name || !yaz_matchstr (zm->maptab_name, "@")) return NULL; if (!(zm->maptab = chrmaptab_create (zms->tabpath, - zm->maptab_name, 0))) - logf(LOG_WARN, "Failed to read character table %s", + zm->maptab_name, + zms->tabroot))) + yaz_log(YLOG_WARN, "Failed to read character table %s", zm->maptab_name); else - logf(LOG_DEBUG, "Read character table %s", zm->maptab_name); + yaz_log(YLOG_DEBUG, "Read character table %s", zm->maptab_name); } return zm->maptab; } const char **zebra_maps_input (ZebraMaps zms, unsigned reg_id, - const char **from, int len) + const char **from, int len, int first) { chrmaptab maptab; maptab = zebra_charmap_get (zms, reg_id); if (maptab) - return chr_map_input(maptab, from, len); + return chr_map_input(maptab, from, len, first); zms->temp_map_str[0] = **from; @@ -317,39 +241,31 @@ const char **zebra_maps_input (ZebraMaps zms, unsigned reg_id, return zms->temp_map_ptr; } -#if 0 -int zebra_maps_input_tokens (ZebraMaps zms, unsigned reg_id, - const char *input_str, int input_len, - WRBUF wrbuf) +const char **zebra_maps_search(ZebraMaps zms, unsigned reg_id, + const char **from, int len, int *q_map_match) { - chrmaptab maptab = zebra_charmap_get (zms, reg_id); - int len[4]; - char *str[3]; - int input_i = 0; - int first = 1; - const char **out; - - if (!maptab) - { - wrbuf_write (wrbuf, input_str, input_len); - return -1; - } - str[0] = " "; - len[0] = 1; - str[1] = input_str; - len[1] = input_len; - str[2] = " "; - len[2] = 1; - len[3] = -1; + chrmaptab maptab; - out = chr_map_input (maptab, str, len); - while (len[1] > 0) + *q_map_match = 0; + maptab = zebra_charmap_get (zms, reg_id); + if (maptab) { - while (out && *out && **out == *CHR_SPACE) - out = chr_map_input (maptab, str, len); + 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)++; + return zms->temp_map_ptr; } -#endif const char *zebra_maps_output(ZebraMaps zms, unsigned reg_id, const char **from) @@ -418,13 +334,8 @@ static int attr_find (AttrType *src, oid_value *attributeSetP) static void attr_init_APT (AttrType *src, Z_AttributesPlusTerm *zapt, int type) { -#ifdef ASN_COMPILED src->attributeList = zapt->attributes->attributes; src->num_attributes = zapt->attributes->num_attributes; -#else - src->attributeList = zapt->attributeList; - src->num_attributes = zapt->num_attributes; -#endif src->type = type; src->major = 0; src->minor = 0; @@ -465,36 +376,52 @@ int zebra_maps_is_sort (ZebraMaps zms, unsigned reg_id) return 0; } -int zebra_maps_sort (ZebraMaps zms, Z_SortAttributes *sortAttributes) +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, + 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; int relation_value; int sort_relation_value; + int weight_value; + int use_value; 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); 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; @@ -504,10 +431,18 @@ int zebra_maps_attr (ZebraMaps zms, Z_AttributesPlusTerm *zapt, *sort_flag = (sort_relation_value > 0) ? 1 : 0; *search_type = "phrase"; - *rank_type = "void"; + strcpy (rank_type, "void"); if (relation_value == 102) - *rank_type = "rank"; - + { + if (weight_value == -1) + weight_value = 34; + sprintf (rank_type, "rank,w=%d,u=%d", weight_value, use_value); + } + if (relation_value == 103) + { + *search_type = "always"; + return 0; + } if (*complete_flag) *reg_id = 'p'; else @@ -545,113 +480,25 @@ int zebra_maps_attr (ZebraMaps zms, Z_AttributesPlusTerm *zapt, *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; default: return -1; } return 0; } -int zebra_replace_sub(ZebraMaps zms, unsigned reg_id, const char *ex_list, - const char *input_str, int input_len, WRBUF wrbuf); - WRBUF zebra_replace(ZebraMaps zms, unsigned reg_id, const char *ex_list, const char *input_str, int input_len) { - struct zebra_map *zm = zebra_map_get (zms, reg_id); - wrbuf_rewind(zms->wrbuf_1); wrbuf_write(zms->wrbuf_1, input_str, input_len); - if (!zm->replace_tokens) - return zms->wrbuf_1; - -#if 0 - logf (LOG_LOG, "zebra_replace"); - logf (LOG_LOG, "in:%.*s:", wrbuf_len(zms->wrbuf_1), - wrbuf_buf(zms->wrbuf_1)); -#endif - for (;;) - { - if (!zebra_replace_sub(zms, reg_id, ex_list, wrbuf_buf(zms->wrbuf_1), - wrbuf_len(zms->wrbuf_1), zms->wrbuf_2)) - return zms->wrbuf_2; - if (!zebra_replace_sub(zms, reg_id, ex_list, wrbuf_buf(zms->wrbuf_2), - wrbuf_len(zms->wrbuf_2), zms->wrbuf_1)) - return zms->wrbuf_1; - } - return 0; + return zms->wrbuf_1; } -int zebra_replace_sub(ZebraMaps zms, unsigned reg_id, const char *ex_list, - const char *input_str, int input_len, WRBUF wrbuf) -{ - int i = -1; - int no_replaces = 0; - struct zebra_map *zm = zebra_map_get (zms, reg_id); - - wrbuf_rewind(wrbuf); - for (i = -1; i <= input_len; ) - { - struct zm_token *token; - char replace_string[128]; - int replace_out; - int replace_in = 0; - - for (token = zm->replace_tokens; !replace_in && token; - token = token->next) - { - int j = 0; - int replace_done = 0; - replace_out = 0; - for (;; j++) - { - int c; - if (!token->token_from[j]) - { - replace_in = j; - break; - } - if (ex_list && strchr (ex_list, token->token_from[j])) - break; - if (i+j < 0 || j+i >= input_len) - c = ' '; - else - c = tolower(input_str[j+i]); - if (token->token_from[j] == '.') - { - if (c == ' ') - break; - replace_string[replace_out++] = c; - } - else - { - if (c != token->token_from[j]) - break; - if (!replace_done) - { - const char *cp = token->token_to; - replace_done = 1; - for (; cp && *cp; cp++) - replace_string[replace_out++] = *cp; - } - } - } - } - if (!replace_in) - { - if (i >= 0 && i < input_len) - wrbuf_putc(wrbuf, input_str[i]); - i++; - } - else - { - no_replaces++; - if (replace_out) - wrbuf_write(wrbuf, replace_string, replace_out); - i += replace_in; - } - } -#if 0 - logf (LOG_LOG, "out:%.*s:", wrbuf_len(wrbuf), wrbuf_buf(wrbuf)); -#endif - return no_replaces; -}