[939] | 1 | /**********************************************************************
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| 2 | *
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| 3 | * historydb.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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[928] | 25 |
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| 26 |
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[939] | 27 | #ifndef HISTORYDB_H
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| 28 | #define HISTORYDB_H
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[928] | 29 |
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| 30 | #include "infodbclass.h"
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| 31 | #include "text_t.h"
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| 32 | #include "recptproto.h"
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| 33 |
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| 34 | struct HistRecord {
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| 35 | text_t entry;
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| 36 | bool save;
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| 37 | };
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| 38 |
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| 39 | struct ltinttext_t
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| 40 | {
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| 41 | bool operator()(const text_t &t1, const text_t &t2) const
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| 42 | { return t1.getint() < t2.getint(); }
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| 43 | };
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| 44 |
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| 45 |
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| 46 | typedef map<text_t, HistRecord, ltinttext_t> HistRecordmap;
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| 47 |
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| 48 | // returns true on success (in which case historyinfo will contain
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| 49 | // the information for this history)
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[963] | 50 | bool get_history_info (const text_t &userid, text_tarray &historyinfo,
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| 51 | const text_t &gsdlhome, ostream &logout);
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[928] | 52 |
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| 53 | // returns true on success
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[963] | 54 | bool set_history_info (const text_t &userid, const text_t &historyinfo,
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| 55 | const text_t &gsdlhome);
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[928] | 56 |
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[963] | 57 | bool delete_all_history_info (const text_t &userid, const text_t &gsdlhome);
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[928] | 58 |
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| 59 | // deletes only the entries specified
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| 60 | bool delete_history_info(const text_t &userid, const text_t &deletemode,
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[963] | 61 | const text_t &selection, const text_t &gsdlhome);
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[928] | 62 |
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| 63 | // takes a text_t with x-y, and retrieves the x and y params
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| 64 | bool get_selection_params (text_t &data, int &start, int &stop);
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| 65 |
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| 66 | bool expand_query(HistRecord &query, HistRecordmap &records);
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| 67 |
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| 68 | // combine query looks for #x and replaces it with the query
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| 69 | // string from the xth entry. THe first one looks up the xth
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| 70 | // query in the database (used before running a query), the
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| 71 | // second version looks it up inthe records map (used in
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| 72 | // delete history -are doing a lotof #x replacing at once.
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[963] | 73 | bool combine_query(text_t &userid, text_t &query, const text_t &gsdlhome);
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[928] | 74 | bool combine_query(text_t &userid, HistRecordmap &records);
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| 75 |
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| 76 | // retrieves the value of an arg (key) from a list of cgi args
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| 77 | // in the form a=q&b=1&...
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[939] | 78 | void parse_saved_args(text_t &args, text_t key, text_t &value);
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[928] | 79 |
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| 80 | // extracts out the components of an entry in the database
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| 81 | // currently:
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| 82 | // querynum:numdocs cgiargs
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| 83 | void split_saved_query(text_t &query, text_t &querynum, text_t &numdocs, text_t &cgiargs);
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| 84 |
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| 85 | // just extracts the query number out of the entry
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| 86 | void get_query_num(text_t &query, text_t &querynum);
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| 87 |
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| 88 | // takes the cgiarg string, and outputs it in some form useful
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| 89 | // to the user
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| 90 | void format_user_info (text_t &cgiargs, text_t &info,
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| 91 | recptprotolistclass *protos, ostream &logout);
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| 92 |
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| 93 | #endif
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