[270] | 1 | /**********************************************************************
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| 2 | *
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| 3 | * querytools.cpp --
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| 4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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| 5 | *
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[533] | 6 | * A component of the Greenstone digital library software
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| 7 | * from the New Zealand Digital Library Project at the
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| 8 | * University of Waikato, New Zealand.
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[270] | 9 | *
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[533] | 10 | * This program is free software; you can redistribute it and/or modify
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| 11 | * it under the terms of the GNU General Public License as published by
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| 12 | * the Free Software Foundation; either version 2 of the License, or
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| 13 | * (at your option) any later version.
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| 14 | *
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| 15 | * This program is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | * GNU General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU General Public License
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| 21 | * along with this program; if not, write to the Free Software
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| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 23 | *
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[270] | 24 | *********************************************************************/
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| 25 |
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| 26 | #include "querytools.h"
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[1373] | 27 | #include <ctype.h>
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[1914] | 28 | #include "unitool.h" // for is_unicode_letdig
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[270] | 29 |
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[12784] | 30 | // sets the ct, qt, qto arguments
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[11987] | 31 | void set_query_type_args(ColInfoResponse_t *cinfo, cgiargsclass &args) {
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| 32 |
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| 33 | if (args["ct"].empty()) {
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| 34 | text_t build_type = cinfo->buildType;
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| 35 | if (build_type == "mgpp") {
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| 36 | args["ct"] = "1";
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| 37 | } else if (build_type == "lucene") {
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| 38 | args["ct"] = "2";
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| 39 | } else {
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| 40 | args["ct"] = "0";
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| 41 | }
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| 42 | }
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| 43 | text_t arg_ct = args["ct"];
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| 44 | if (arg_ct == "0") {
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| 45 | // mg
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| 46 | args["qt"] = "0";
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| 47 | args["qto"] = "0";
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| 48 | return;
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| 49 | }
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| 50 |
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| 51 | if (!args["qt"].empty() && !args["qto"].empty()) {
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| 52 | return;
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| 53 | }
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| 54 |
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| 55 | text_tmap::iterator check = cinfo->format.find("SearchTypes");
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[12784] | 56 | text_t search_types;
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| 57 | if(check != cinfo->format.end() && !(*check).second.empty()){
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[11987] | 58 | search_types = (*check).second;
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[12784] | 59 | } else {
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| 60 | // assume plain,form
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| 61 | if (args["qto"].empty()) args["qto"] = "3";
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| 62 | if (args["qt"].empty()) {
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| 63 | int arg_qto = args.getintarg("qto");
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[12930] | 64 | if (arg_qto == 2) {
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[12784] | 65 | args["qt"] = "1";
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| 66 | } else {
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| 67 | args["qt"] = "0";
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| 68 | }
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[11987] | 69 | }
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[12784] | 70 | return;
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[11987] | 71 | }
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| 72 |
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[12784] | 73 |
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[11987] | 74 | if (args["qto"].empty()) {
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| 75 | unsigned int type = 0;
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| 76 | if (findword(search_types.begin(), search_types.end(), "form") != search_types.end()) {
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| 77 | type |= 2;
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| 78 | }
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| 79 | if (findword(search_types.begin(), search_types.end(), "plain") != search_types.end()) {
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| 80 | type |= 1;
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| 81 | }
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| 82 | args.setintarg("qto", type);
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| 83 | }
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[22046] | 84 |
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[11987] | 85 | if (args["qt"].empty()) {
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| 86 | int arg_qto = args.getintarg("qto");
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| 87 | if (arg_qto == 2 || (arg_qto == 3 && starts_with(search_types, "form"))) {
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| 88 | args["qt"] = "1";
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| 89 | } else {
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| 90 | args["qt"] = "0";
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| 91 | }
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| 92 | }
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[22046] | 93 |
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| 94 |
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| 95 | // decide if sqlqto should be set or not
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| 96 | unsigned int sql_type = 0;
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| 97 | text_t infodb_type = cinfo->infodbType;
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| 98 | if ((infodb_type == "sqlite") || (infodb_type == "mssql")) {
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| 99 | if (findword(search_types.begin(), search_types.end(), "sqlform") != search_types.end()) {
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| 100 | sql_type = 1;
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| 101 | }
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| 102 | }
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| 103 |
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| 104 | if (sql_type) {
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| 105 | args["sqlqto"] = "1";
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| 106 | }
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| 107 | else {
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| 108 | args["sqlqto"] = "0";
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| 109 | }
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| 110 |
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| 111 |
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[11987] | 112 | }
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| 113 |
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[12864] | 114 | // sets the ks, ss, afs (casesupport, stemsupport, accentfoldsupport) args
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| 115 | void set_stem_index_args(ColInfoResponse_t *cinfo, cgiargsclass &args) {
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| 116 | int stemIndexes = cinfo->stemIndexes;
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| 117 |
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| 118 | if (stemIndexes & SIcasefold) {
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| 119 | args["ks"] = 1;
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| 120 | }
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| 121 | if (stemIndexes & SIstem) {
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| 122 | args["ss"] = 1;
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| 123 | }
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| 124 | if (stemIndexes & SIaccentfold) {
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| 125 | args["afs"] = 1;
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| 126 | }
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| 127 |
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| 128 | }
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| 129 |
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[22046] | 130 |
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| 131 |
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| 132 | void set_basequeryfilter_options (FilterRequest_t &request,
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| 133 | cgiargsclass &args)
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| 134 | {
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| 135 |
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| 136 | OptionValue_t option;
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| 137 | int arg_m = args.getintarg("m");
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| 138 |
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| 139 | option.name = "Maxdocs";
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| 140 | option.value = arg_m;
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| 141 | request.filterOptions.push_back (option);
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| 142 |
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| 143 | // option.name = "StartResults";
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| 144 | // option.value = args["r"];
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| 145 | // request.filterOptions.push_back (option);
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| 146 |
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| 147 | // option.name = "EndResults";
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| 148 | // int endresults = args.getintarg("o") + (args.getintarg("r") - 1);
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| 149 | // if ((endresults > arg_m) && (arg_m != -1)) endresults = arg_m;
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| 150 | // option.value = endresults;
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| 151 | // request.filterOptions.push_back (option);
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| 152 | }
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| 153 |
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| 154 |
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[759] | 155 | // request.filterResultOptions and request.fields (if required) should
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| 156 | // be set from the calling code
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[22046] | 157 | void set_fulltext_queryfilter_options (FilterRequest_t &request,
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| 158 | const text_t &querystring,
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| 159 | cgiargsclass &args)
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| 160 | {
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| 161 | // better if this function, and the two-query companion function
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| 162 | // was implemented in queryaction.cpp
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| 163 | // Has to be done here to documentaction.cpp can call it directly
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[270] | 164 |
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| 165 | request.filterName = "QueryFilter";
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| 166 |
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| 167 | OptionValue_t option;
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[470] | 168 |
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[270] | 169 | option.name = "Term";
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[759] | 170 | option.value = querystring;
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[270] | 171 | request.filterOptions.push_back (option);
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| 172 |
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| 173 | option.name = "QueryType";
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| 174 | option.value = (args.getintarg("t")) ? "ranked" : "boolean";
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| 175 | request.filterOptions.push_back (option);
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| 176 |
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[1774] | 177 | option.name = "MatchMode";
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[11765] | 178 | // mgpp in advanced mode, always use some query
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[12428] | 179 | if (args.getintarg("ct") == 1 && args.getintarg("b") == 1) {
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[11765] | 180 | option.value = "some";
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| 181 | } else {
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| 182 | option.value = (args.getintarg("t")) ? "some" : "all";
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| 183 | }
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[1774] | 184 | request.filterOptions.push_back (option);
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| 185 |
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[270] | 186 | option.name = "Casefold";
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| 187 | option.value = (args.getintarg("k")) ? "true" : "false";
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| 188 | request.filterOptions.push_back (option);
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| 189 |
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| 190 | option.name = "Stem";
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| 191 | option.value = (args.getintarg("s")) ? "true" : "false";
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| 192 | request.filterOptions.push_back (option);
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| 193 |
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[12864] | 194 | option.name = "AccentFold";
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| 195 | option.value = (args.getintarg("af")) ? "true" : "false";
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| 196 | request.filterOptions.push_back (option);
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| 197 |
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[270] | 198 | if (!args["h"].empty()) {
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| 199 | option.name = "Index";
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| 200 | option.value = args["h"];
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| 201 | request.filterOptions.push_back (option);
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| 202 | }
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| 203 |
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| 204 | if (!args["j"].empty()) {
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| 205 | option.name = "Subcollection";
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| 206 | option.value = args["j"];
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| 207 | request.filterOptions.push_back (option);
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| 208 | }
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| 209 |
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| 210 | if (!args["n"].empty()) {
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| 211 | option.name = "Language";
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| 212 | option.value = args["n"];
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| 213 | request.filterOptions.push_back (option);
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| 214 | }
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[1329] | 215 |
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| 216 | if (!args["g"].empty()) { // granularity for mgpp
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| 217 | option.name = "Level";
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| 218 | option.value = args["g"];
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| 219 | request.filterOptions.push_back (option);
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| 220 | }
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[270] | 221 |
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[12410] | 222 | if (!args["fs"].empty()) { // filter string for lucene
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| 223 | option.name = "FilterString";
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| 224 | option.value = args["fs"];
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| 225 | request.filterOptions.push_back (option);
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| 226 | }
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| 227 |
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[12276] | 228 | if (!args["sf"].empty()) { // sort field for lucene
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| 229 | option.name = "SortField";
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| 230 | option.value = args["sf"];
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| 231 | request.filterOptions.push_back (option);
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| 232 | }
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| 233 |
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[12771] | 234 | if (!args["fuzziness"].empty() && args["fuzziness"] != "100") { // fuzziness value for lucene
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[12770] | 235 | option.name = "Fuzziness";
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[12771] | 236 | option.value = (text_t) "0." + args["fuzziness"];
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[12770] | 237 | request.filterOptions.push_back (option);
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| 238 | }
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[12388] | 239 |
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[22046] | 240 | set_basequeryfilter_options(request, args);
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[759] | 241 | }
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| 242 |
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| 243 |
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| 244 |
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[22046] | 245 | void set_fulltext_queryfilter_options (FilterRequest_t &request,
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| 246 | const text_t &querystring1,
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| 247 | const text_t &querystring2,
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| 248 | cgiargsclass &args)
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| 249 | {
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| 250 |
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| 251 | set_fulltext_queryfilter_options (request, querystring1, args);
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| 252 |
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[349] | 253 | // fill in the second query if needed
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| 254 | if (!args["cq2"].empty()) {
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[759] | 255 | OptionValue_t option;
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| 256 |
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[349] | 257 | option.name = "CombineQuery";
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| 258 | option.value = args["cq2"];
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| 259 | request.filterOptions.push_back (option);
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| 260 |
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| 261 | option.name = "Term";
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[759] | 262 | option.value = querystring2;
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[349] | 263 | request.filterOptions.push_back (option);
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[759] | 264 |
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[349] | 265 | option.name = "QueryType";
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| 266 | option.value = (args.getintarg("t")) ? "ranked" : "boolean";
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| 267 | request.filterOptions.push_back (option);
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| 268 |
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| 269 | option.name = "Casefold";
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| 270 | option.value = (args.getintarg("k")) ? "true" : "false";
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| 271 | request.filterOptions.push_back (option);
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| 272 |
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| 273 | option.name = "Stem";
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| 274 | option.value = (args.getintarg("s")) ? "true" : "false";
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| 275 | request.filterOptions.push_back (option);
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| 276 |
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[12864] | 277 | option.name = "AccentFold";
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| 278 | option.value = (args.getintarg("af")) ? "true" : "false";
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| 279 | request.filterOptions.push_back (option);
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| 280 |
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[349] | 281 | if (!args["h2"].empty()) {
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| 282 | option.name = "Index";
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| 283 | option.value = args["h2"];
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| 284 | request.filterOptions.push_back (option);
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| 285 | }
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| 286 |
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| 287 | if (!args["j2"].empty()) {
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| 288 | option.name = "Subcollection";
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| 289 | option.value = args["j2"];
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| 290 | request.filterOptions.push_back (option);
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| 291 | }
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| 292 |
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| 293 | if (!args["n2"].empty()) {
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| 294 | option.name = "Language";
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| 295 | option.value = args["n2"];
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| 296 | request.filterOptions.push_back (option);
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| 297 | }
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| 298 | }
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[22046] | 299 |
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| 300 | // this is probably redundant, as first line to this method will have
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| 301 | // already caused it to invoke set_basequeryfilter_options
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| 302 |
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| 303 | set_basequeryfilter_options(request, args);
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[759] | 304 | }
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[608] | 305 |
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[759] | 306 |
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[1329] | 307 |
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[22046] | 308 | // request.filterResultOptions and request.fields (if required) should
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| 309 | // be set from the calling code
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| 310 | void set_sql_queryfilter_options (FilterRequest_t &request,
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| 311 | cgiargsclass &args)
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| 312 | {
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| 313 | if (!args["sqlsf"].empty()) { // sort field for lucene
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| 314 | OptionValue_t option;
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[270] | 315 |
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[22046] | 316 | option.name = "SortField";
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| 317 | option.value = args["sqlsf"];
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| 318 | request.filterOptions.push_back (option);
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| 319 | }
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| 320 |
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| 321 | set_basequeryfilter_options(request, args);
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[270] | 322 | }
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| 323 |
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[22046] | 324 |
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[11987] | 325 | bool is_special_character(int indexer_type, unsigned short character) {
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| 326 | // mgpp
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| 327 | if (indexer_type == 1) {
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| 328 | return (character == '#' || character == '/' || character == '*');
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| 329 | }
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| 330 | // lucene
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[12784] | 331 | else if (indexer_type == 2) {
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[11987] | 332 | return (character == '?' || character == '*' || character == '~' ||
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| 333 | character == '^');
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| 334 | }
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| 335 | return false;
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| 336 | }
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| 337 |
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[12784] | 338 | // This function removes boolean operators from simple searches, and segments
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| 339 | // chinese characters if segment=true
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[6584] | 340 | void format_querystring (text_t &querystring, int querymode, bool segment) {
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[270] | 341 | text_t formattedstring;
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| 342 |
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[12784] | 343 | // advanced search, no segmenting, don't need to do anything
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[6584] | 344 | if (querymode == 1 && !segment) return;
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| 345 |
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[270] | 346 | text_t::const_iterator here = querystring.begin();
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| 347 | text_t::const_iterator end = querystring.end();
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| 348 |
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| 349 | // space is used to insert spaces between Chinese
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| 350 | // characters. No space is needed before the first
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| 351 | // Chinese character.
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| 352 | bool space = false;
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| 353 |
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| 354 | // want to remove ()|!& from querystring so boolean queries are just
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[470] | 355 | // "all the words" queries (unless querymode is advanced)
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[270] | 356 | while (here != end) {
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[470] | 357 | if ((querymode == 0) && (*here == '(' || *here == ')' || *here == '|' ||
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| 358 | *here == '!' || *here == '&')) {
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[270] | 359 | formattedstring.push_back(' ');
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[6584] | 360 | } else if (segment) {
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[16980] | 361 | if ((*here >= 0x2e80 && *here <= 0xd7a3) ||
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| 362 | ( *here >= 0xf900 && *here <= 0xfa6a)) {
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| 363 | /* text_t not big enough to handle these. */
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| 364 | /* (*here >= 0x20000 && *here <= 0x2a6d6) ||
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| 365 | (*here >= 0x2f800 && *here <= 0x2fa1d)) { */
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[16645] | 366 |
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| 367 | // CJK character
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[8715] | 368 | if (!space) formattedstring.push_back (0x200b); // zero width space
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[397] | 369 | formattedstring.push_back (*here);
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| 370 | formattedstring.push_back (0x200b);
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| 371 | space = true;
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[270] | 372 | } else {
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[8715] | 373 |
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[397] | 374 | // non-Chinese character
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| 375 | formattedstring.push_back (*here);
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| 376 | space = false;
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[8715] | 377 |
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[270] | 378 | }
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[6584] | 379 |
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| 380 | } else {
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| 381 | formattedstring.push_back (*here);
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[270] | 382 | }
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[9620] | 383 | ++here;
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[270] | 384 | }
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[397] | 385 | querystring = formattedstring;
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[270] | 386 | }
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| 387 |
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[20481] | 388 | // turn query string into terms separated by spaces.
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| 389 | // still working on this...
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[20602] | 390 | text_t get_plain_query_terms(const text_t &querystring, const text_t &arg_ct) {
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[20481] | 391 | text_t::const_iterator here = querystring.begin();
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| 392 | text_t::const_iterator end = querystring.end();
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[20602] | 393 |
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| 394 | // lets look for [] and () first - these are a pain.
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| 395 | text_t::const_iterator bracket;
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| 396 | text_t query_no_brackets = "";
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| 397 |
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| 398 | // mgpp brackets: [xxx]:TI
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| 399 | if (findchar(here, end, '[') != end) {
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| 400 | while ((bracket = findchar(here, end, '[')) != end) {
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| 401 | // get the first bit
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| 402 | query_no_brackets += substr(here, bracket);
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| 403 | bracket++;
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| 404 | here = bracket;
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| 405 | // get the end bracket
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| 406 | bracket = findchar(here, end, ']');
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| 407 | query_no_brackets += substr(here, bracket);
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| 408 | // skip the :TI bits
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[23635] | 409 | while (bracket != end // do bracket != end test first, ELSE when bracket = end, we're past the string, in
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| 410 | && *bracket != ' ') { // which case *bracket becomes an invalid operation that causes the server to crash
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| 411 | bracket++;
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| 412 | }
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[20602] | 413 | here = bracket;
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| 414 | }
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| 415 | if (here != end) {
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| 416 | query_no_brackets += substr(here,end);
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| 417 | }
|
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| 418 | } else if (findchar(here, end, '(') != end) {
|
---|
| 419 | // lucene brackets TI:(xxx)
|
---|
| 420 | while ((bracket = findchar(here, end, '(')) != end) {
|
---|
| 421 | // back up the field name
|
---|
| 422 | text_t::const_iterator old_bracket = bracket;
|
---|
[23635] | 423 | while (bracket != here && *bracket != ' ') { // order of tests in condition matters (see long comment above)
|
---|
| 424 | --bracket;
|
---|
[20602] | 425 | }
|
---|
| 426 | if (bracket != here) {
|
---|
| 427 | // get the first bit
|
---|
| 428 | query_no_brackets += substr(here, bracket+1);
|
---|
| 429 | }
|
---|
| 430 | here = old_bracket +1;
|
---|
| 431 | // get the end bracket
|
---|
| 432 | bracket = findchar(here, end, ')');
|
---|
| 433 | query_no_brackets += substr(here, bracket);
|
---|
| 434 | if (bracket != end) {
|
---|
| 435 | here = bracket+1;
|
---|
| 436 | }
|
---|
| 437 | }
|
---|
| 438 | if (here != end) {
|
---|
| 439 | query_no_brackets += substr(here,end);
|
---|
| 440 | }
|
---|
| 441 | } else {
|
---|
| 442 | // was no brackets
|
---|
| 443 | query_no_brackets = querystring;
|
---|
| 444 | }
|
---|
| 445 |
|
---|
| 446 |
|
---|
| 447 | if (arg_ct == "2") { // lucene
|
---|
| 448 | // look for AND OR NOT and remove
|
---|
| 449 | here = query_no_brackets.begin();
|
---|
| 450 | end = query_no_brackets.end();
|
---|
| 451 | text_tlist terms;
|
---|
| 452 | splitword(here, end, "AND", terms);
|
---|
| 453 | joinchar(terms, ' ', query_no_brackets);
|
---|
| 454 | here = query_no_brackets.begin();
|
---|
| 455 | end = query_no_brackets.end();
|
---|
| 456 | splitword(here, end, "OR", terms);
|
---|
| 457 | joinchar(terms, ' ', query_no_brackets);
|
---|
| 458 | here = query_no_brackets.begin();
|
---|
| 459 | end = query_no_brackets.end();
|
---|
| 460 | splitword(here, end, "NOT", terms);
|
---|
| 461 | joinchar(terms, ' ', query_no_brackets);
|
---|
| 462 |
|
---|
| 463 | }
|
---|
[20481] | 464 | text_t terms = "";
|
---|
| 465 | bool space = false;
|
---|
[20602] | 466 | here = query_no_brackets.begin();
|
---|
| 467 | end = query_no_brackets.end();
|
---|
| 468 |
|
---|
[20481] | 469 | while (here != end) {
|
---|
| 470 | if (*here == '#' || *here == '/') {
|
---|
| 471 | // skip over #is /10 etc
|
---|
| 472 | ++here;
|
---|
| 473 | while (here != end && *here != ' ') {
|
---|
| 474 | ++here;
|
---|
| 475 | }
|
---|
| 476 | if (here == end) break;
|
---|
| 477 | }
|
---|
| 478 | if (is_unicode_letdig(*here)) {
|
---|
| 479 | terms.push_back(*here);
|
---|
| 480 | space = false;
|
---|
| 481 | } else {
|
---|
| 482 | if (!space) {
|
---|
| 483 | terms.push_back(' ');
|
---|
| 484 | space = true;
|
---|
| 485 | }
|
---|
| 486 | }
|
---|
| 487 | ++here;
|
---|
| 488 | }
|
---|
[24111] | 489 | return trim(terms);
|
---|
[20481] | 490 |
|
---|
| 491 | }
|
---|
[1467] | 492 |
|
---|
[3160] | 493 | // search history tool
|
---|
| 494 | // also used for form query macros
|
---|
[1914] | 495 | text_t escape_quotes(const text_t &querystring) {
|
---|
| 496 |
|
---|
| 497 | text_t::const_iterator here = querystring.begin();
|
---|
| 498 | text_t::const_iterator end = querystring.end();
|
---|
| 499 |
|
---|
| 500 | text_t escquery = "";
|
---|
| 501 | while (here != end) {
|
---|
[1988] | 502 | if (*here != '\'' && *here != '\"' && *here != '\n' && *here != '\r') escquery.push_back(*here);
|
---|
| 503 | else if (*here == '\n' || *here == '\r') {
|
---|
| 504 | escquery.push_back(' ');
|
---|
| 505 | } else {
|
---|
[1914] | 506 | escquery +="\\\\";
|
---|
| 507 | escquery.push_back(*here);
|
---|
| 508 | }
|
---|
| 509 |
|
---|
[9620] | 510 | ++here;
|
---|
[1914] | 511 | }
|
---|
| 512 | return escquery;
|
---|
| 513 |
|
---|
| 514 | }
|
---|
| 515 |
|
---|
[12784] | 516 | // Parses the terms into words, and adds #si if necessary
|
---|
| 517 | text_t addstemcase(const text_t &terms, const text_t &stem, const text_t &fold,
|
---|
| 518 | const int indexer_type) {
|
---|
| 519 |
|
---|
| 520 | // the default stem and case are set to 0 if this is being used, so we are only adding on qualifiers if stem or fold is 1.
|
---|
| 521 | if (stem == "0" && fold == "0") {
|
---|
[12791] | 522 | return terms;
|
---|
[12784] | 523 | }
|
---|
| 524 | // this is only for mgpp collections, shouldn't be called for anything else
|
---|
| 525 | if (indexer_type != 1) {
|
---|
[12791] | 526 | return terms;
|
---|
[12784] | 527 | }
|
---|
| 528 |
|
---|
| 529 | text_t outtext;
|
---|
| 530 | text_t word;
|
---|
| 531 |
|
---|
| 532 | text_t::const_iterator here = terms.begin();
|
---|
| 533 | text_t::const_iterator end = terms.end();
|
---|
| 534 |
|
---|
| 535 | while (here !=end) {
|
---|
| 536 |
|
---|
| 537 | if (is_unicode_letdig(*here) || is_special_character(indexer_type, *here)) {
|
---|
| 538 | // not word boundary
|
---|
| 539 | word.push_back(*here);
|
---|
| 540 | ++here;
|
---|
| 541 | }
|
---|
| 542 | else {
|
---|
| 543 | // found word boundary
|
---|
| 544 | if (!word.empty() ) {
|
---|
| 545 | if (starts_with(word, "NEAR") || starts_with(word, "WITHIN")) {
|
---|
| 546 | outtext += word;
|
---|
| 547 | word.clear();
|
---|
| 548 | }
|
---|
| 549 | else {
|
---|
| 550 | word += "#";
|
---|
| 551 | if (stem == "1") word += "s";
|
---|
| 552 | if (fold == "1") word += "i";
|
---|
| 553 | outtext += word;
|
---|
| 554 | word.clear();
|
---|
| 555 | }
|
---|
| 556 | }
|
---|
| 557 | // this only used in advanced form, so we leave in boolean operators
|
---|
[12792] | 558 | if (*here == '\"' || *here == '&' || *here == '|' || *here == '!' ||
|
---|
| 559 | *here == '(' || *here == ')' || is_unicode_space(*here)) {
|
---|
[12784] | 560 | outtext.push_back(*here);
|
---|
| 561 | }
|
---|
| 562 | ++here;
|
---|
| 563 | }
|
---|
| 564 | }
|
---|
| 565 |
|
---|
| 566 | // get last word
|
---|
| 567 | if (!word.empty()) {
|
---|
| 568 | word += "#";
|
---|
| 569 | if (stem == "1") word += "s";
|
---|
| 570 | if (fold == "1") word += "i";
|
---|
| 571 | word += " ";
|
---|
| 572 | outtext += word;
|
---|
| 573 | }
|
---|
| 574 | return outtext;
|
---|
| 575 | }
|
---|
| 576 |
|
---|
| 577 |
|
---|
[11765] | 578 | // some query form parsing functions for use with mgpp & lucene
|
---|
[1914] | 579 |
|
---|
[12784] | 580 | void parse_reg_query_form(text_t &querystring, cgiargsclass &args, bool segment)
|
---|
[8029] | 581 | {
|
---|
| 582 | querystring.clear();
|
---|
[1914] | 583 |
|
---|
[12784] | 584 | int argct = args.getintarg("ct");
|
---|
[8029] | 585 | int argt = args.getintarg("t");// t=0 -and, t=1 - or
|
---|
[12784] | 586 | int argb = args.getintarg("b");
|
---|
| 587 |
|
---|
| 588 | text_t combine;
|
---|
[8029] | 589 |
|
---|
[12784] | 590 | // lucene uses global combine, so only need this for mgpp
|
---|
| 591 | if (argct==1) {
|
---|
[8029] | 592 | if (argt == 0) combine = "&";
|
---|
| 593 | else combine = "|";
|
---|
| 594 | }
|
---|
[1914] | 595 |
|
---|
| 596 | text_t field = args["fqf"];
|
---|
| 597 | if (field.empty()) return; // no query
|
---|
| 598 | text_tarray fields;
|
---|
| 599 | splitchar(field.begin(), field.end(), ',', fields);
|
---|
| 600 |
|
---|
| 601 | text_t value = args["fqv"];
|
---|
| 602 | if (value.empty()) return; // somethings wrong
|
---|
| 603 | text_tarray values;
|
---|
| 604 | splitchar(value.begin(), value.end(), ',', values);
|
---|
| 605 |
|
---|
[8029] | 606 |
|
---|
[9620] | 607 | for (int i=0; i< values.size(); ++i) {
|
---|
[1914] | 608 | if (!values[i].empty()) {
|
---|
[12784] | 609 | text_t this_value = values[i];
|
---|
[22046] | 610 |
|
---|
[12784] | 611 | // remove operators for simple search, segments text if necessary
|
---|
| 612 | format_querystring(this_value, argb, segment);
|
---|
[22046] | 613 |
|
---|
[12784] | 614 | // add tag info for this field (and other processing)
|
---|
| 615 | format_field_info(this_value, fields[i], argct, argt, argb);
|
---|
[22046] | 616 |
|
---|
[12784] | 617 | // add into query string
|
---|
| 618 | if (argct == 2) {
|
---|
| 619 | // lucene
|
---|
| 620 | // we don't worry about AND/OR, cos this is done by defaultcombineoperator
|
---|
| 621 | querystring += this_value+" ";
|
---|
| 622 | } else {
|
---|
| 623 | // mgpp
|
---|
| 624 | if (!querystring.empty()) {
|
---|
| 625 | querystring += " "+ combine+ " ";
|
---|
| 626 | }
|
---|
| 627 | querystring += this_value;
|
---|
[8029] | 628 | }
|
---|
[1914] | 629 | }
|
---|
| 630 | }
|
---|
| 631 | }
|
---|
| 632 |
|
---|
| 633 |
|
---|
[12784] | 634 | void parse_adv_query_form(text_t &querystring, cgiargsclass &args, bool segment){
|
---|
[1914] | 635 | querystring.clear();
|
---|
| 636 |
|
---|
[12784] | 637 | const int argct = args.getintarg("ct");
|
---|
| 638 | int argt = 0;// arg t is either not used (lucene) or used for natural/ranked (mgpp), so we set it to 0 = AND, by default
|
---|
| 639 | int argb = args.getintarg("b");
|
---|
[8029] | 640 | text_t combine;
|
---|
[12784] | 641 | if (argct==1) {
|
---|
[8029] | 642 | combine = "&";
|
---|
| 643 | }
|
---|
| 644 | else { // lucene
|
---|
| 645 | combine = "AND";
|
---|
| 646 | }
|
---|
| 647 |
|
---|
[1914] | 648 | text_t field = args["fqf"];
|
---|
| 649 | if (field.empty()) return; // no query
|
---|
| 650 | text_tarray fields;
|
---|
| 651 | splitchar(field.begin(), field.end(), ',', fields);
|
---|
| 652 |
|
---|
| 653 | text_t value = args["fqv"];
|
---|
| 654 | if (value.empty()) return; // somethings wrong
|
---|
| 655 | text_tarray values;
|
---|
| 656 | splitchar(value.begin(), value.end(), ',', values);
|
---|
| 657 |
|
---|
| 658 | text_t comb = args["fqc"];
|
---|
| 659 | if (comb.empty()) return; //somethings wrong
|
---|
| 660 | text_tarray combs;
|
---|
| 661 | splitchar(comb.begin(), comb.end(), ',', combs);
|
---|
[12784] | 662 |
|
---|
| 663 | text_tarray stems;
|
---|
| 664 | text_tarray folds;
|
---|
| 665 | if (argct == 1) {// mgpp - lucene doesn't do stem/case
|
---|
| 666 | text_t stem = args["fqs"];
|
---|
| 667 | if (stem.empty()) return; // somethings wrong
|
---|
| 668 | splitchar(stem.begin(), stem.end(), ',', stems);
|
---|
| 669 |
|
---|
| 670 | text_t fold = args["fqk"];
|
---|
| 671 | if (fold.empty()) return; // somethings wrong
|
---|
| 672 | splitchar(fold.begin(), fold.end(), ',', folds);
|
---|
| 673 | }
|
---|
[1914] | 674 |
|
---|
[9620] | 675 | for(int i=0; i< values.size(); ++i) {
|
---|
[1914] | 676 | if (!values[i].empty()) {
|
---|
| 677 | if (i!=0) {
|
---|
[12784] | 678 | if (argct==1) {
|
---|
[8029] | 679 | if (combs[i-1]=="and") combine = "&";
|
---|
| 680 | else if (combs[i-1]=="or")combine = "|";
|
---|
| 681 | else if (combs[i-1]=="not")combine = "!";
|
---|
| 682 | }
|
---|
| 683 | else { // lucene
|
---|
| 684 | if (combs[i-1]=="and") combine = "AND";
|
---|
| 685 | else if (combs[i-1]=="or")combine = "OR";
|
---|
| 686 | else if (combs[i-1]=="not")combine = "NOT";
|
---|
| 687 | }
|
---|
[1914] | 688 | }
|
---|
[12784] | 689 | text_t this_value = values[i];
|
---|
| 690 | // remove operators for simple search, segments text if necessary
|
---|
| 691 | format_querystring(this_value, argb, segment);
|
---|
| 692 | if (argct == 1) { // mgpp only
|
---|
| 693 | this_value = addstemcase(this_value, stems[i], folds[i], argct);
|
---|
[1914] | 694 | }
|
---|
[12784] | 695 | // add tag info for this field (and other processing)
|
---|
| 696 | format_field_info(this_value, fields[i], argct, argt, argb);
|
---|
| 697 | // add into query string
|
---|
| 698 | if (!querystring.empty()) {
|
---|
| 699 | querystring += " "+ combine+ " ";
|
---|
[2745] | 700 | }
|
---|
[12784] | 701 | querystring += this_value;
|
---|
[1914] | 702 |
|
---|
| 703 | }
|
---|
| 704 | }
|
---|
| 705 | }
|
---|
| 706 |
|
---|
[22046] | 707 |
|
---|
| 708 | // SQL versions for parsing query form
|
---|
| 709 |
|
---|
| 710 | void parse_sqlreg_query_form(text_t &querystring, cgiargsclass &args, bool segment)
|
---|
| 711 | {
|
---|
| 712 | querystring.clear();
|
---|
| 713 |
|
---|
| 714 | int argt = args.getintarg("t");// t=0 -and, t=1 - or
|
---|
| 715 | int argb = args.getintarg("b");
|
---|
| 716 |
|
---|
| 717 | text_t combine;
|
---|
| 718 |
|
---|
| 719 | if (argt == 0) combine = "AND";
|
---|
| 720 | else combine = "OR";
|
---|
| 721 |
|
---|
| 722 | text_t field = args["sqlfqf"];
|
---|
| 723 | if (field.empty()) return; // no query
|
---|
| 724 | text_tarray fields;
|
---|
| 725 | splitchar(field.begin(), field.end(), ',', fields);
|
---|
| 726 |
|
---|
| 727 | text_t sqlcomb = args["sqlfqc"];
|
---|
| 728 | if (sqlcomb.empty()) return; //somethings wrong
|
---|
| 729 | text_tarray sqlcombs;
|
---|
| 730 | splitchar(sqlcomb.begin(), sqlcomb.end(), ',', sqlcombs);
|
---|
| 731 |
|
---|
| 732 | text_t value = args["fqv"];
|
---|
| 733 | if (value.empty()) return; // somethings wrong
|
---|
| 734 | text_tarray values;
|
---|
| 735 | splitchar(value.begin(), value.end(), ',', values);
|
---|
| 736 |
|
---|
| 737 |
|
---|
| 738 | for (int i=0; i< values.size(); ++i) {
|
---|
| 739 | if (!values[i].empty()) {
|
---|
[24073] | 740 | text_t this_value;
|
---|
| 741 | const text_t STARTINGWITH_CONDITION = "STARTINGWITH";
|
---|
| 742 | const text_t LIKE_CONDITION = "LIKE";
|
---|
| 743 |
|
---|
| 744 | //Change the STARTINGWITH operator to 'LIKE' and then adds '%' to the end of the value field
|
---|
| 745 | //in order to search a field starting with certain words.
|
---|
| 746 | if (sqlcombs[i] == STARTINGWITH_CONDITION)
|
---|
| 747 | {this_value = values[i];
|
---|
| 748 | this_value += "%";
|
---|
| 749 | // remove operators for simple search, segments text if necessary
|
---|
| 750 | format_querystring(this_value, argb, segment);
|
---|
| 751 | // add tag info for this field (and other processing)
|
---|
| 752 | format_field_info_sql(this_value, fields[i], LIKE_CONDITION, argt, argb);}
|
---|
[22046] | 753 |
|
---|
[24073] | 754 | else
|
---|
| 755 | {this_value = values[i];
|
---|
| 756 | // remove operators for simple search, segments text if necessary
|
---|
| 757 | format_querystring(this_value, argb, segment);
|
---|
| 758 | // add tag info for this field (and other processing)
|
---|
| 759 | format_field_info_sql(this_value, fields[i], sqlcombs[i], argt, argb);}
|
---|
[22046] | 760 |
|
---|
[24073] | 761 |
|
---|
| 762 | const text_t DISTINCT_SELECT_WHERE = "SELECT DISTINCT docOID FROM document_metadata WHERE ";
|
---|
[22046] | 763 |
|
---|
| 764 | if (querystring.empty()) {
|
---|
| 765 | // first query term
|
---|
| 766 | querystring = DISTINCT_SELECT_WHERE + this_value;
|
---|
| 767 | }
|
---|
| 768 | else {
|
---|
| 769 | this_value = DISTINCT_SELECT_WHERE + this_value;
|
---|
| 770 |
|
---|
| 771 | if (combine=="AND") {
|
---|
| 772 | // INNER JOIN to restrict to only matching docOIDs
|
---|
| 773 | querystring = "SELECT docOID FROM (" + querystring + ")"
|
---|
| 774 | + " INNER JOIN (" + this_value +") USING (docOID)";
|
---|
| 775 | }
|
---|
| 776 | else if (combine=="OR") {
|
---|
| 777 | // Union to allow union of the two
|
---|
| 778 | querystring = querystring + " UNION " + this_value;
|
---|
| 779 | }
|
---|
| 780 | }
|
---|
| 781 | }
|
---|
| 782 | }
|
---|
| 783 | }
|
---|
| 784 |
|
---|
| 785 |
|
---|
| 786 | void parse_sqladv_query_form(text_t &querystring, cgiargsclass &args,
|
---|
| 787 | bool segment)
|
---|
| 788 | {
|
---|
| 789 | querystring.clear();
|
---|
| 790 |
|
---|
| 791 | int argt = 0; // set it to 0 = AND, by default
|
---|
| 792 | int argb = args.getintarg("b");
|
---|
| 793 | text_t combine = "AND";
|
---|
| 794 |
|
---|
| 795 | text_t field = args["sqlfqf"];
|
---|
| 796 |
|
---|
| 797 | if (field.empty()) return; // no query
|
---|
| 798 | text_tarray fields;
|
---|
| 799 | splitchar(field.begin(), field.end(), ',', fields);
|
---|
| 800 |
|
---|
| 801 | text_t sqlcomb = args["sqlfqc"];
|
---|
| 802 | if (sqlcomb.empty()) return; //somethings wrong
|
---|
| 803 | text_tarray sqlcombs;
|
---|
| 804 | splitchar(sqlcomb.begin(), sqlcomb.end(), ',', sqlcombs);
|
---|
| 805 |
|
---|
| 806 | text_t value = args["fqv"];
|
---|
| 807 | if (value.empty()) return; // somethings wrong
|
---|
| 808 | text_tarray values;
|
---|
| 809 | splitchar(value.begin(), value.end(), ',', values);
|
---|
| 810 |
|
---|
| 811 | text_t comb = args["fqc"];
|
---|
| 812 | if (comb.empty()) return; //somethings wrong
|
---|
| 813 | text_tarray combs;
|
---|
| 814 | splitchar(comb.begin(), comb.end(), ',', combs);
|
---|
| 815 |
|
---|
| 816 | for(int i=0; i< values.size(); ++i) {
|
---|
| 817 | if (!values[i].empty()) {
|
---|
| 818 | if (i>0) {
|
---|
| 819 | if (combs[i-1]=="and") { combine = "AND"; }
|
---|
| 820 | else if (combs[i-1]=="or") { combine = "OR"; }
|
---|
| 821 | else if (combs[i-1]=="not") { combine = "NOT"; }
|
---|
| 822 | }
|
---|
[24073] | 823 | text_t this_value;
|
---|
| 824 | const text_t STARTINGWITH_CONDITION = "STARTINGWITH";
|
---|
| 825 | const text_t LIKE_CONDITION = "LIKE";
|
---|
| 826 |
|
---|
| 827 | //Change the STARTINGWITH operator to 'LIKE' and then adds '%' to the end of the value field
|
---|
| 828 | //in order to search a field starting with certain words.
|
---|
| 829 | if (sqlcombs[i] == STARTINGWITH_CONDITION)
|
---|
| 830 | {this_value = values[i];
|
---|
| 831 | this_value += "%";
|
---|
| 832 | // remove operators for simple search, segments text if necessary
|
---|
| 833 | format_querystring(this_value, argb, segment);
|
---|
| 834 | // add tag info for this field (and other processing)
|
---|
| 835 | format_field_info_sql(this_value, fields[i], LIKE_CONDITION, argt, argb);}
|
---|
[22046] | 836 |
|
---|
[24073] | 837 | else
|
---|
| 838 | {this_value = values[i];
|
---|
| 839 | // remove operators for simple search, segments text if necessary
|
---|
| 840 | format_querystring(this_value, argb, segment);
|
---|
| 841 | // add tag info for this field (and other processing)
|
---|
| 842 | format_field_info_sql(this_value, fields[i], sqlcombs[i], argt, argb);}
|
---|
| 843 |
|
---|
| 844 | const text_t DISTINCT_SELECT_WHERE = "SELECT DISTINCT docOID FROM document_metadata WHERE ";
|
---|
[22046] | 845 |
|
---|
| 846 | if (querystring.empty()) {
|
---|
| 847 | // first query term
|
---|
| 848 | querystring = DISTINCT_SELECT_WHERE + this_value;
|
---|
| 849 | }
|
---|
| 850 | else {
|
---|
| 851 | this_value = DISTINCT_SELECT_WHERE + this_value;
|
---|
| 852 |
|
---|
| 853 | if (combine=="AND") {
|
---|
| 854 | // INNER JOIN to restrict to only matching docOIDs
|
---|
| 855 | querystring = "SELECT docOID FROM (" + querystring + ")"
|
---|
| 856 | + " INNER JOIN (" + this_value +") USING (docOID)";
|
---|
| 857 | }
|
---|
| 858 | else if (combine=="OR") {
|
---|
| 859 | // Union to allow union of the two
|
---|
| 860 | querystring = querystring + " UNION " + this_value;
|
---|
| 861 | }
|
---|
| 862 | else {
|
---|
| 863 | cerr << "Unsupported combination operation: " << combine << endl;
|
---|
| 864 | }
|
---|
| 865 | }
|
---|
| 866 |
|
---|
| 867 | }
|
---|
| 868 | }
|
---|
| 869 | }
|
---|
| 870 |
|
---|
| 871 |
|
---|
| 872 |
|
---|
| 873 |
|
---|
[12784] | 874 | // Extended addqueryelem for Human Info project
|
---|
[7380] | 875 | void addqueryelem_ex(text_t &querystring, const text_t &tag,
|
---|
[12784] | 876 | const text_t &terms, const text_t &stem,
|
---|
| 877 | const text_t &fold,
|
---|
[7380] | 878 | const text_t& combine, const text_t& word_combine) {
|
---|
[12784] | 879 |
|
---|
[7380] | 880 | if (!querystring.empty()) { // have to put and/or
|
---|
| 881 | querystring += " " + combine + " ";
|
---|
| 882 | }
|
---|
| 883 | text_t outtext; outtext.reserve(512);
|
---|
| 884 | text_t word; word.reserve(100);
|
---|
| 885 | //unsigned short c;
|
---|
| 886 | text_t::const_iterator here = terms.begin();
|
---|
| 887 | text_t::const_iterator end = terms.end();
|
---|
| 888 | bool inquote = false, firstword = true;
|
---|
[1914] | 889 |
|
---|
[7380] | 890 | text_t word2; word2.reserve(256);
|
---|
| 891 |
|
---|
| 892 | while (here !=end) {
|
---|
| 893 | if (is_unicode_space(*here)) {
|
---|
| 894 | if (word2 == "AND") { word2.clear(); word2.push_back(7527); word2.appendcarr("AND", 3); word2.push_back(7527); }
|
---|
| 895 | else if (word2 == "OR") { word2.clear(); word2.push_back(7527); word2.appendcarr("OR", 2); word2.push_back(7527); }
|
---|
| 896 | else if (word2 == "NOT") { word2.clear(); word2.push_back(7527); word2.appendcarr("NOT", 3); word2.push_back(7527); }
|
---|
| 897 | else if (word2 == "NEAR") { word2.clear(); word2.push_back(7527); word2.appendcarr("NEAR", 4); word2.push_back(7527); }
|
---|
| 898 | else if (word2 == "WITHIN") { word2.clear(); word2.push_back(7527); word2.appendcarr("WITHIN", 6); word2.push_back(7527); }
|
---|
| 899 | if (inquote) {
|
---|
| 900 | word2.push_back(*here);
|
---|
| 901 | }
|
---|
| 902 | word.append(word2); word2.clear();
|
---|
| 903 |
|
---|
| 904 | if (!inquote && !word.empty() ) {
|
---|
[12784] | 905 | // found word boundary
|
---|
[7380] | 906 |
|
---|
| 907 | if (stem == "1" || fold =="1") {
|
---|
| 908 | word += "#";
|
---|
| 909 | if (stem == "1") word += "s";
|
---|
| 910 | //else word += "u";
|
---|
| 911 |
|
---|
| 912 | if (fold == "1") word += "i";
|
---|
| 913 | //else word += "c";
|
---|
| 914 | }
|
---|
| 915 | if (firstword) {
|
---|
| 916 | firstword = false;
|
---|
| 917 | } else {
|
---|
| 918 | outtext += " " + word_combine + " ";
|
---|
| 919 | }
|
---|
| 920 | outtext += "[" + word + "]:"+tag;
|
---|
| 921 | word.clear();
|
---|
| 922 | }
|
---|
| 923 | ++here;
|
---|
| 924 | } else if (*here == '\"') {
|
---|
| 925 | word2.push_back(*here);
|
---|
| 926 | inquote = !inquote;
|
---|
| 927 | ++here;
|
---|
| 928 | } else {
|
---|
| 929 | // not word boundary
|
---|
| 930 | word2.push_back(*here);
|
---|
| 931 | ++here;
|
---|
| 932 | }
|
---|
| 933 | }
|
---|
| 934 |
|
---|
| 935 | // get last word
|
---|
| 936 | if (!word2.empty()) {
|
---|
| 937 | if (word2 == "AND") { word2.clear(); word2.push_back(7527); word2.appendcarr("AND", 3); word2.push_back(7527); }
|
---|
| 938 | else if (word2 == "OR") { word2.clear(); word2.push_back(7527); word2.appendcarr("OR", 2); word2.push_back(7527); }
|
---|
| 939 | else if (word2 == "NOT") { word2.clear(); word2.push_back(7527); word2.appendcarr("NOT", 3); word2.push_back(7527); }
|
---|
| 940 | else if (word2 == "NEAR") { word2.clear(); word2.push_back(7527); word2.appendcarr("NEAR", 4); word2.push_back(7527); }
|
---|
| 941 | else if (word2 == "WITHIN") { word2.clear(); word2.push_back(7527); word2.appendcarr("WITHIN", 6); word2.push_back(7527); }
|
---|
| 942 | word.append(word2); word2.clear();
|
---|
| 943 |
|
---|
| 944 | if (stem == "1"|| fold == "1") {
|
---|
| 945 | word += "#";
|
---|
| 946 | if (stem == "1") word += "s";
|
---|
| 947 | //else word += "u";
|
---|
| 948 |
|
---|
| 949 | if (fold == "1") word += "i";
|
---|
| 950 | //else word += "c";
|
---|
| 951 | }
|
---|
| 952 | if (!outtext.empty()) outtext += " " + word_combine + " ";
|
---|
| 953 | outtext += "[" + word + "]:"+tag;
|
---|
| 954 | }
|
---|
| 955 | querystring += "(" + outtext + ")";
|
---|
| 956 | }
|
---|
| 957 |
|
---|
[8357] | 958 | void add_field_info(text_t &querystring, const text_t &tag, int type) {
|
---|
[7380] | 959 |
|
---|
[17796] | 960 | if (tag == "") return; // do nothing
|
---|
| 961 | if (tag == "ZZ" && type == 1) return; // mgpp doesn't use ZZ tag internally
|
---|
[8357] | 962 | if (type == 1) { //mgpp
|
---|
| 963 | querystring = "["+querystring+"]:"+tag;
|
---|
| 964 | } else if (type == 2) { // lucene
|
---|
| 965 | querystring = tag+":("+querystring+")";
|
---|
[4757] | 966 | }
|
---|
[8357] | 967 |
|
---|
[4757] | 968 | }
|
---|
[8029] | 969 |
|
---|
| 970 |
|
---|
[22046] | 971 | void add_field_info_sql(text_t &querystring, const text_t &tagseq,
|
---|
| 972 | const text_t& sqlcomb)
|
---|
| 973 | {
|
---|
| 974 |
|
---|
| 975 | if (tagseq == "") return; // do nothing
|
---|
| 976 |
|
---|
| 977 | text_t element_in = "(element IN (";
|
---|
| 978 |
|
---|
| 979 | text_tlist mdterms;
|
---|
| 980 |
|
---|
| 981 | splitword(tagseq.begin(), tagseq.end(), "/", mdterms);
|
---|
| 982 |
|
---|
| 983 | text_t tags_in = "";
|
---|
| 984 |
|
---|
| 985 | while (!mdterms.empty()) {
|
---|
| 986 | text_t tag = mdterms.front();
|
---|
| 987 | mdterms.pop_front();
|
---|
| 988 |
|
---|
| 989 | if (!tag.empty()) {
|
---|
| 990 |
|
---|
[24306] | 991 | // remove "ex." prefix, but only if there are no other metadata set qualifiers
|
---|
| 992 | // in the metaname, since we want to retain prefixes like "ex.dc." as-is
|
---|
| 993 | text_t::iterator period = findchar(tag.begin(), tag.end(), '.');
|
---|
| 994 | text_t::iterator lastperiod = findlastchar(tag.begin(), tag.end(), '.');
|
---|
| 995 |
|
---|
| 996 | if (tag.size()>3 && (substr(tag.begin(), tag.begin()+3) == "ex.") && period == lastperiod) {
|
---|
[22046] | 997 | tag = substr (tag.begin()+3, tag.end());
|
---|
| 998 | }
|
---|
| 999 |
|
---|
| 1000 | if (!tags_in.empty()) {
|
---|
| 1001 | tags_in += ",";
|
---|
| 1002 | }
|
---|
| 1003 |
|
---|
| 1004 | tags_in += "'" + tag + "'";
|
---|
| 1005 | }
|
---|
| 1006 | }
|
---|
| 1007 |
|
---|
| 1008 | element_in += tags_in + ") AND (";
|
---|
| 1009 |
|
---|
[24073] | 1010 |
|
---|
[22046] | 1011 | if (sqlcomb == "=") {
|
---|
| 1012 | // override what it means to do equality, to make it more like full text
|
---|
| 1013 | // searching
|
---|
| 1014 |
|
---|
| 1015 | text_t orterms = "";
|
---|
| 1016 | text_t term = "";
|
---|
| 1017 | bool in_phrase = false;
|
---|
| 1018 |
|
---|
| 1019 | text_t::const_iterator here = querystring.begin();
|
---|
| 1020 | text_t::const_iterator end = querystring.end();
|
---|
| 1021 | while (here != end) {
|
---|
| 1022 | if (is_unicode_letdig(*here)) {
|
---|
| 1023 | term.push_back(*here);
|
---|
| 1024 | }
|
---|
| 1025 | else if (*here == '"') {
|
---|
| 1026 | term.push_back(*here);
|
---|
| 1027 | if (!in_phrase) {
|
---|
| 1028 | in_phrase = true;
|
---|
| 1029 | } else {
|
---|
| 1030 | in_phrase = false;
|
---|
| 1031 | }
|
---|
| 1032 | }
|
---|
| 1033 | else if (in_phrase) {
|
---|
| 1034 | // Found word boundary, but in a phrase, so does not complete term
|
---|
| 1035 | term.push_back(*here);
|
---|
| 1036 | }
|
---|
| 1037 | else {
|
---|
| 1038 | // Found a word boundary
|
---|
| 1039 | if (!orterms.empty()) {
|
---|
| 1040 | orterms += " OR ";
|
---|
| 1041 | }
|
---|
| 1042 | orterms += "value LIKE '%" + term + "%'";
|
---|
| 1043 | term.clear();
|
---|
| 1044 | }
|
---|
| 1045 | ++here;
|
---|
| 1046 | }
|
---|
| 1047 |
|
---|
| 1048 | if (!term.empty()) {
|
---|
| 1049 | if (!orterms.empty()) {
|
---|
| 1050 | orterms += " OR ";
|
---|
| 1051 | }
|
---|
| 1052 | orterms += "value LIKE '%" + term + "%'";
|
---|
| 1053 | }
|
---|
| 1054 |
|
---|
| 1055 | element_in += orterms;
|
---|
| 1056 | }
|
---|
[24073] | 1057 | //We cast the value from STRING to REAL to allow numeric sorting
|
---|
| 1058 | else if (sqlcomb == "<num") {
|
---|
| 1059 | element_in += "CAST(value as REAL) < CAST('" + querystring+"' AS REAL)";
|
---|
| 1060 | }
|
---|
| 1061 | else if (sqlcomb == ">num") {
|
---|
| 1062 | element_in += "CAST(value as REAL) > CAST('" + querystring+"' AS REAL)";
|
---|
| 1063 | }
|
---|
| 1064 | else if (sqlcomb == "<=num") {
|
---|
| 1065 | element_in += "CAST(value as REAL) <= CAST('" + querystring+"' AS REAL)";
|
---|
| 1066 | }
|
---|
| 1067 | else if (sqlcomb == ">=num") {
|
---|
| 1068 | element_in += "CAST(value as REAL) >= CAST('" + querystring+"' AS REAL)";
|
---|
| 1069 | }
|
---|
| 1070 | else if (sqlcomb == "=num") {
|
---|
| 1071 | element_in += "CAST(value as REAL) = CAST('" + querystring+"' AS REAL)";
|
---|
| 1072 | }
|
---|
[22046] | 1073 | else {
|
---|
| 1074 | // search on value is "as is" querystring
|
---|
| 1075 | element_in += "value " + sqlcomb + " '" + querystring+"'";
|
---|
| 1076 | }
|
---|
| 1077 |
|
---|
| 1078 |
|
---|
| 1079 | querystring = element_in + "))";
|
---|
| 1080 |
|
---|
| 1081 | }
|
---|
| 1082 |
|
---|
| 1083 |
|
---|
[17796] | 1084 | void format_field_info_lucene(text_t &querystring, text_t &tag, int argt, int argb) {
|
---|
| 1085 |
|
---|
[11765] | 1086 | int type = 2; //lucene
|
---|
[8029] | 1087 |
|
---|
[12784] | 1088 | if (argb==0) { // simple
|
---|
| 1089 | // there will be no & or | as they should have already been removed
|
---|
[11765] | 1090 | // just tag the entire thing
|
---|
[10995] | 1091 | if (tag != "") {
|
---|
[11765] | 1092 | add_field_info(querystring, tag, type);
|
---|
[10995] | 1093 | }
|
---|
[8357] | 1094 | return;
|
---|
| 1095 | }
|
---|
[10995] | 1096 |
|
---|
[12784] | 1097 | // need to replace & with &&, | with ||
|
---|
[8357] | 1098 | text_t::const_iterator here = querystring.begin();
|
---|
| 1099 | text_t::const_iterator end = querystring.end();
|
---|
[12784] | 1100 |
|
---|
| 1101 | text_t finalquery = "";
|
---|
[10995] | 1102 | while (here != end) {
|
---|
[12784] | 1103 | if (*here == '&') {
|
---|
| 1104 | finalquery.push_back('&');
|
---|
| 1105 | finalquery.push_back('&');
|
---|
| 1106 | while (*(here+1) == '&') {
|
---|
| 1107 | ++here;
|
---|
[10995] | 1108 | }
|
---|
[12784] | 1109 | }
|
---|
| 1110 | else if (*here == '|') {
|
---|
| 1111 | finalquery.push_back('|');
|
---|
| 1112 | finalquery.push_back('|');
|
---|
| 1113 | while (*(here+1) == '|') {
|
---|
| 1114 | ++here;
|
---|
| 1115 | }
|
---|
| 1116 | }
|
---|
[8357] | 1117 | else {
|
---|
[12784] | 1118 | finalquery.push_back(*here);
|
---|
[8357] | 1119 | }
|
---|
[10995] | 1120 | ++here;
|
---|
[8357] | 1121 | }
|
---|
[11765] | 1122 | querystring = finalquery;
|
---|
[12784] | 1123 | add_field_info(querystring, tag, type);
|
---|
[11765] | 1124 | }
|
---|
| 1125 |
|
---|
[12784] | 1126 |
|
---|
| 1127 | void format_field_info_mgpp(text_t &querystring, text_t tag, int argt, int argb) {
|
---|
| 1128 |
|
---|
[11765] | 1129 | if (tag == "ZZ") tag = ""; // ZZ is a special tag meaning no tag (all fields)
|
---|
[12784] | 1130 | if (tag == "" && argb == 1) {
|
---|
[11765] | 1131 | return; // no field specifier, advanced mode, the query stays as written
|
---|
[10995] | 1132 | }
|
---|
[11765] | 1133 |
|
---|
| 1134 | int type = 1; // mgpp
|
---|
| 1135 |
|
---|
| 1136 | bool simple_and = (argb==0 && argt==0);
|
---|
| 1137 | text_t finalquery = "";
|
---|
| 1138 | text_t fieldpart ="";
|
---|
| 1139 | text_t queryelem = "";
|
---|
| 1140 | bool in_phrase = false;
|
---|
| 1141 | bool in_field = false;
|
---|
| 1142 |
|
---|
| 1143 | text_t::const_iterator here = querystring.begin();
|
---|
| 1144 | text_t::const_iterator end = querystring.end();
|
---|
| 1145 | while (here != end) {
|
---|
| 1146 | if (is_unicode_letdig(*here) || *here == '&' || is_special_character(type, *here)) {
|
---|
| 1147 | queryelem.push_back(*here);
|
---|
| 1148 | }
|
---|
| 1149 | else if (*here == '|') {
|
---|
| 1150 | in_field = false;
|
---|
| 1151 | }
|
---|
| 1152 | else if (*here == '!' || *here == '(' || *here == ')') {
|
---|
| 1153 | if (!in_phrase) { // ignore these if in_phrase
|
---|
| 1154 | // output field, then output operator
|
---|
| 1155 | in_field = false;
|
---|
| 1156 | if (!queryelem.empty()) {
|
---|
| 1157 | if (!simple_and && !fieldpart.empty()) {
|
---|
| 1158 | add_field_info(fieldpart, tag, type);
|
---|
| 1159 | finalquery += fieldpart;
|
---|
| 1160 | finalquery.push_back(' ');
|
---|
| 1161 | fieldpart.clear();
|
---|
| 1162 | }
|
---|
| 1163 | fieldpart += queryelem;
|
---|
| 1164 | }
|
---|
| 1165 | if (!fieldpart.empty()) {
|
---|
| 1166 | add_field_info(fieldpart, tag, type);
|
---|
| 1167 | finalquery += fieldpart;
|
---|
| 1168 | finalquery.push_back(' ');
|
---|
| 1169 | }
|
---|
| 1170 | fieldpart.clear();
|
---|
| 1171 | queryelem.clear();
|
---|
| 1172 | finalquery.push_back(*here);
|
---|
| 1173 | finalquery.push_back(' ');
|
---|
| 1174 | }
|
---|
| 1175 | }
|
---|
| 1176 | else if (*here == '"') {
|
---|
| 1177 | queryelem.push_back(*here);
|
---|
| 1178 | if (in_phrase == false) in_phrase = true;
|
---|
| 1179 | else {
|
---|
| 1180 | in_phrase = false;
|
---|
| 1181 | }
|
---|
| 1182 | }
|
---|
| 1183 |
|
---|
| 1184 | // Found word boundary, in a phrase
|
---|
| 1185 | else if (in_phrase) {
|
---|
| 1186 | queryelem.push_back(*here);
|
---|
| 1187 | }
|
---|
| 1188 | // Found a word boundary
|
---|
| 1189 | else {
|
---|
| 1190 | if (!queryelem.empty()) {
|
---|
| 1191 | if (queryelem == "&") {
|
---|
| 1192 | in_field = true;
|
---|
| 1193 | queryelem.clear();
|
---|
| 1194 | }
|
---|
| 1195 | else if (starts_with(queryelem, "NEAR") || starts_with(queryelem, "WITHIN")) {
|
---|
| 1196 |
|
---|
| 1197 | if (argb==1) {
|
---|
| 1198 | // simple search, these not allowed
|
---|
| 1199 | in_field = true;
|
---|
| 1200 | fieldpart += queryelem;
|
---|
| 1201 | fieldpart.push_back(' ');
|
---|
| 1202 | }
|
---|
| 1203 | queryelem.clear();
|
---|
| 1204 |
|
---|
| 1205 | }
|
---|
| 1206 | else {
|
---|
| 1207 | if (!simple_and && !in_field) {
|
---|
| 1208 | if (!fieldpart.empty()) {
|
---|
| 1209 | add_field_info(fieldpart, tag, type);
|
---|
| 1210 | finalquery += fieldpart;
|
---|
| 1211 | finalquery.push_back(' ');
|
---|
| 1212 | fieldpart.clear();
|
---|
| 1213 | }
|
---|
| 1214 | }
|
---|
| 1215 |
|
---|
| 1216 | fieldpart += queryelem;
|
---|
| 1217 | fieldpart.push_back(' ');
|
---|
| 1218 | queryelem.clear();
|
---|
| 1219 | }
|
---|
| 1220 | }
|
---|
| 1221 | }
|
---|
| 1222 | ++here;
|
---|
| 1223 | }
|
---|
| 1224 | // at the end
|
---|
| 1225 | if (!queryelem.empty()) {
|
---|
| 1226 | if (!simple_and && !in_field && !fieldpart.empty()) {
|
---|
| 1227 | add_field_info(fieldpart, tag, type);
|
---|
| 1228 | finalquery += fieldpart;
|
---|
[18459] | 1229 | finalquery.push_back(' ');
|
---|
[11765] | 1230 | fieldpart.clear();
|
---|
| 1231 | }
|
---|
| 1232 | fieldpart += queryelem;
|
---|
| 1233 | }
|
---|
| 1234 | if (!fieldpart.empty()) {
|
---|
| 1235 | add_field_info(fieldpart, tag, type);
|
---|
| 1236 | finalquery += fieldpart;
|
---|
| 1237 | fieldpart.clear();
|
---|
[18459] | 1238 |
|
---|
| 1239 | // doesn't the following just leave a dangling space at the end ?? (used to make mgpp crash)
|
---|
| 1240 | // consider cutting this line
|
---|
| 1241 | finalquery.push_back(' ');
|
---|
[11765] | 1242 | }
|
---|
[22046] | 1243 |
|
---|
[11765] | 1244 | querystring = finalquery;
|
---|
[8029] | 1245 | }
|
---|
[8357] | 1246 |
|
---|
[12784] | 1247 |
|
---|
[22046] | 1248 | void format_field_info_sql(text_t &querystring, const text_t &tagseq,
|
---|
| 1249 | const text_t &sqlcomb,
|
---|
| 1250 | int argt, int argb)
|
---|
| 1251 | {
|
---|
| 1252 | add_field_info_sql(querystring, tagseq, sqlcomb);
|
---|
| 1253 | }
|
---|
| 1254 |
|
---|
| 1255 |
|
---|
[12784] | 1256 | void format_field_info(text_t &querystring, text_t tag, int argct, int argt, int argb) {
|
---|
[11765] | 1257 | if (argct == 1) {
|
---|
[12784] | 1258 | format_field_info_mgpp(querystring, tag, argt, argb);
|
---|
[11765] | 1259 | } else if (argct == 2) {
|
---|
[12784] | 1260 | format_field_info_lucene(querystring, tag, argt, argb);
|
---|
[11765] | 1261 | }
|
---|
| 1262 | }
|
---|
[10995] | 1263 |
|
---|
[12784] | 1264 | void mgpp_adddateelem(text_t& querystring, const int date)
|
---|
| 1265 | {
|
---|
| 1266 | querystring.appendcstr(" [");
|
---|
| 1267 | if(date<0) {
|
---|
| 1268 | querystring.appendcstr("bc");
|
---|
| 1269 | querystring.appendint((date*-1));
|
---|
| 1270 | }
|
---|
| 1271 | else {
|
---|
| 1272 | querystring.appendint(date);
|
---|
| 1273 | }
|
---|
| 1274 | querystring.appendcstr("]:CV");
|
---|
| 1275 | }
|
---|
| 1276 |
|
---|
| 1277 | void lucene_adddateelem(text_t& querystring, const int date)
|
---|
| 1278 | {
|
---|
| 1279 | querystring.appendcstr(" CV:(");
|
---|
| 1280 | if(date<0) {
|
---|
| 1281 | querystring.appendcstr("bc");
|
---|
| 1282 | querystring.appendint((date*-1));
|
---|
| 1283 | }
|
---|
| 1284 | else {
|
---|
| 1285 | querystring.appendint(date);
|
---|
| 1286 | }
|
---|
| 1287 | querystring.appendcstr(")");
|
---|
| 1288 | }
|
---|
| 1289 |
|
---|
| 1290 |
|
---|
| 1291 | void add_dates(text_t &querystring, int startdate, int enddate,
|
---|
| 1292 | int startbc, int endbc, int ct)
|
---|
| 1293 | {
|
---|
| 1294 | if(startdate)
|
---|
| 1295 | {
|
---|
| 1296 | int querystringis = 0;
|
---|
| 1297 | text_t::const_iterator here = querystring.begin();
|
---|
| 1298 | text_t::const_iterator end = querystring.end();
|
---|
| 1299 | while(here!=end)
|
---|
| 1300 | {
|
---|
| 1301 | if(!(isspace((*here)))){
|
---|
| 1302 | here = end;
|
---|
| 1303 | querystringis = 1;
|
---|
| 1304 | }
|
---|
| 1305 | else
|
---|
| 1306 | ++here;
|
---|
| 1307 | }
|
---|
| 1308 | //converting BCE dates
|
---|
| 1309 | if(startbc && startdate > 0)
|
---|
| 1310 | {
|
---|
| 1311 | startdate *= -1;
|
---|
| 1312 | }
|
---|
| 1313 | if(endbc && enddate > 0)
|
---|
| 1314 | {
|
---|
| 1315 | enddate *= -1;
|
---|
| 1316 | }
|
---|
| 1317 | if(enddate != 0 && enddate<startdate)
|
---|
| 1318 | {
|
---|
| 1319 | cout<<"enddate too small"<<endl;
|
---|
| 1320 | return;
|
---|
| 1321 | }
|
---|
| 1322 | if(querystringis)
|
---|
| 1323 | querystring.appendcstr(" AND");
|
---|
| 1324 | if(!enddate)
|
---|
| 1325 | {
|
---|
| 1326 | if (ct==1) {
|
---|
| 1327 | mgpp_adddateelem(querystring,startdate);
|
---|
| 1328 | }
|
---|
| 1329 | else { // lucene
|
---|
| 1330 | lucene_adddateelem(querystring,startdate);
|
---|
| 1331 | }
|
---|
| 1332 | }
|
---|
| 1333 | else{
|
---|
| 1334 | int nextdate = startdate;
|
---|
| 1335 | querystring.appendcstr(" (");
|
---|
| 1336 | while(nextdate<=enddate)
|
---|
| 1337 | {
|
---|
| 1338 | if(nextdate!=0) {
|
---|
| 1339 | if (ct==1) {
|
---|
| 1340 | mgpp_adddateelem(querystring,nextdate);
|
---|
| 1341 | }
|
---|
| 1342 | else { // lucene
|
---|
| 1343 | lucene_adddateelem(querystring,nextdate);
|
---|
| 1344 | }
|
---|
| 1345 | }
|
---|
| 1346 | ++nextdate;
|
---|
| 1347 | }
|
---|
| 1348 | querystring.appendcstr(" )");
|
---|
| 1349 | }
|
---|
| 1350 | }
|
---|
| 1351 |
|
---|
| 1352 | }
|
---|