1 | /**********************************************************************
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2 | *
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3 | * sqlfilter.h --
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4 | * Copyright (C) 2008 DL Consulting Ltd
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5 | * Copyright (C) 2010 New Zealand Digital Library Project
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6 | *
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7 | * A component of the Greenstone digital library software
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8 | * from the New Zealand Digital Library Project at the
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9 | * University of Waikato, New Zealand.
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10 | *
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11 | * This program is free software; you can redistribute it and/or modify
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12 | * it under the terms of the GNU General Public License as published by
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13 | * the Free Software Foundation; either version 2 of the License, or
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14 | * (at your option) any later version.
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15 | *
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16 | * This program is distributed in the hope that it will be useful,
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17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | * GNU General Public License for more details.
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20 | *
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21 | * You should have received a copy of the GNU General Public License
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22 | * along with this program; if not, write to the Free Software
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23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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24 | *
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25 | *********************************************************************/
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26 |
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27 | #ifndef SQLFILTER_H
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28 | #define SQLFILTER_H
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29 |
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30 |
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31 | #include "filter.h"
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32 | #include "comtypes.h"
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33 | #include "sqldbclass.h"
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34 | #include "text_t.h"
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35 |
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36 |
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37 | class sqlfilterclass : public filterclass {
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38 | protected:
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39 | text_t sql_db_filename;
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40 | text_t indexstem;
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41 | sqldbclass *sql_db_ptr;
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42 |
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43 | public:
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44 | sqlfilterclass ();
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45 | virtual ~sqlfilterclass ();
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46 |
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47 | text_t get_filter_name () { return "SQLFilter"; }
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48 |
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49 | // configure should be called once for each configuration line
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50 | // default configures the default filter options
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51 | virtual void configure (const text_t &key, const text_tarray &cfgline);
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52 |
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53 | // the sql db ptr remains the responsibility of the calling code and
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54 | // should be destroyed after this sqlfilter is destroyed
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55 | void set_sql_db_ptr (sqldbclass *sql_db_ptr_arg) { sql_db_ptr = sql_db_ptr_arg; }
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56 |
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57 | bool init (ostream &logout);
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58 |
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59 | bool connect_to_sqldb (FilterResponse_t &response,
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60 | comerror_t &err, ostream &logout);
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61 | void disconnect_from_sqldb ();
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62 |
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63 | };
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64 |
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65 |
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66 | #endif
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