| 1 | /**********************************************************************
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| 2 | *
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| 3 | * browsefilter.h --
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| 4 | * Copyright (C) 1999 The New Zealand Digital Library Project
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| 5 | *
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| 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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| 9 | *
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| 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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| 24 | *********************************************************************/
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| 25 |
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| 26 |
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| 27 | #ifndef BROWSEFILTER_H
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| 28 | #define BROWSEFILTER_H
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| 29 |
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| 30 |
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| 31 | #include "gsdlconf.h"
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| 32 | #include "text_t.h"
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| 33 | #include "comtypes.h"
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| 34 | #include "filter.h"
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| 35 | #include "dbclass.h"
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| 36 |
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| 37 |
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| 38 | class browsefilterclass : public filterclass {
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| 39 | protected:
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| 40 | text_t db_filename;
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| 41 | text_t indexstem;
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| 42 | dbclass *db_ptr;
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| 43 | text_t oaidb_filename;
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| 44 | dbclass *oaidb_ptr;
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| 45 |
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| 46 | public:
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| 47 | browsefilterclass ();
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| 48 | virtual ~browsefilterclass ();
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| 49 |
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| 50 | // configure should be called once for each configuration line
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| 51 | // default configures the default filter options
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| 52 | virtual void configure (const text_t &key, const text_tarray &cfgline);
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| 53 |
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| 54 | // the db ptr and oaidb ptr remain the responsibility of the calling code and should
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| 55 | // be destroyed after this browsefilter is destroyed (source.h class destroys these)
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| 56 | void set_db_ptr (dbclass *db_ptr_arg) { db_ptr = db_ptr_arg; }
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| 57 | void set_oaidb_ptr (dbclass *oaidb_ptr_arg) { oaidb_ptr = oaidb_ptr_arg; }
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| 58 |
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| 59 | bool init (ostream &logout);
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| 60 | text_t get_filter_name () {return "BrowseFilter";}
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| 61 | void filter (const FilterRequest_t &request,
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| 62 | FilterResponse_t &response,
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| 63 | comerror_t &err, ostream &logout);
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| 64 |
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| 65 | protected:
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| 66 | bool get_oaiinf_db_entries(FilterResponse_t &response,
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| 67 | comerror_t &err, ostream &logout);
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| 68 | };
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| 69 |
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| 70 |
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| 71 | #endif
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