| 1 | /**********************************************************************
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| 2 | *
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| 3 | * queryfilter.h -- abstract base class for fielded queryfilters
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| 4 | * mgppqueryfilter and lucenequeryfilter
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| 5 | * implement this
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| 6 | * Copyright (C) 2013 The New Zealand Digital Library Project
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| 7 | *
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| 8 | * A component of the Greenstone digital library software
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| 9 | * from the New Zealand Digital Library Project at the
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| 10 | * University of Waikato, New Zealand.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or modify
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| 13 | * it under the terms of the GNU General Public License as published by
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| 14 | * the Free Software Foundation; either version 2 of the License, or
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| 15 | * (at your option) any later version.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful,
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| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 20 | * GNU General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, write to the Free Software
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| 24 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 25 | *
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| 26 | *********************************************************************/
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| 27 |
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| 28 |
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| 29 | #ifndef FIELDEDQUERYFILTER_H
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| 30 | #define FIELDEDQUERYFILTER_H
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| 31 |
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| 32 |
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| 33 | #include "queryfilter.h"
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| 34 |
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| 35 |
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| 36 | class fieldedqueryfilterclass : public queryfilterclass {
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| 37 | protected:
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| 38 |
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| 39 | stringmap indexfieldmap;
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| 40 | stringmap levelmap;
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| 41 |
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| 42 | bool full_text_browse (int filterRequestOptions);
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| 43 |
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| 44 | // do query that might involve multiple sub queries
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| 45 | // textsearchptr and db_ptr are assumed to be valid
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| 46 | virtual void do_multi_query (const FilterRequest_t &request,
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| 47 | const vector<queryparamclass> &query_params,
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| 48 | queryresultsclass &multiresults,
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| 49 | comerror_t &err, ostream &logout)=0;
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| 50 |
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| 51 | public:
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| 52 | fieldedqueryfilterclass ();
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| 53 | virtual ~fieldedqueryfilterclass ();
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| 54 |
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| 55 | void configure (const text_t &key, const text_tarray &cfgline);
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| 56 | bool init (ostream &logout);
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| 57 |
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| 58 | void filter (const FilterRequest_t &request,
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| 59 | FilterResponse_t &response,
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| 60 | comerror_t &err, ostream &logout)=0;
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| 61 |
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| 62 | void browsefilter(const FilterRequest_t &request,
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| 63 | FilterResponse_t &response,
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| 64 | comerror_t &err, ostream &logout);
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| 65 |
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| 66 |
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| 67 | };
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| 68 |
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| 69 |
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| 70 | #endif
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| 71 |
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