root/trunk/gsdl/src/recpt/phindaction.h @ 7734

Revision 7734, 3.9 KB (checked in by kjdon, 14 years ago)

commiting John T's changes (c/- DL Consulting) to stop phind hanging the browser if the gsdl server goes boom

  • Property svn:keywords set to Author Date Id Revision
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1/**********************************************************************
2 *
3 * phindaction.h --
4 *
5 * Copyright 2001 Gordon W. Paynter
6 * Copyright 2001 The New Zealand Digital Library Project
7 *
8 * A component of the Greenstone digital library software
9 * from the New Zealand Digital Library Project at the
10 * University of Waikato, New Zealand.
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 *
26 *********************************************************************/
27
28#include "gsdl_modules_cfg.h"
29#ifdef GSDL_USE_PHIND_ACTION
30
31#ifndef PHINDACTION_H
32#define PHINDACTION_H
33
34#include "action.h"
35
36// Include MGPP functionality.
37#include <TextGet.h>
38#include <MGQuery.h>
39#include <Terms.h>
40#include <messages.h>
41#include <GSDLQueryParser.h>
42
43class phindaction : public action {
44 
45protected:
46
47  bool find_phrase_number_from_word(const text_t &basepath,
48                    const text_t &query,
49                    DocNumArray &result);
50
51  bool get_phrase_all_data(TextData &textdata, unsigned long phrase,
52               text_t &word, unsigned long &tf, unsigned long &ef,
53               unsigned long &lf, unsigned long &df,
54               vector <unsigned long> &el,
55               vector <unsigned long> &linkdest,
56               vector <UCArray> &linktype,
57               vector <unsigned long> &docnum,
58               vector <unsigned long> &docfrq);
59
60  bool print_thesaurus_links(const text_t &collection, bool XMLmode,
61                 TextData &textdata, vector <unsigned long> &linkdest,
62                 vector <UCArray> &linktype, unsigned long first,
63                 unsigned long last, displayclass &disp,
64                 outconvertclass &outconvert, ostream &textout);
65
66  bool get_phrase_freq_data(TextData &textdata, unsigned long phrase,
67                UCArray &word, unsigned long &tf,
68                unsigned long &ef, unsigned long &df);
69
70  void print_expansions(const text_t &collection, bool XMLmode,
71            const text_t &body, TextData &textdata,
72            const vector <unsigned long> &elist,
73            unsigned long first, unsigned long last,
74            displayclass &disp, outconvertclass &outconvert,
75            ostream &textout);
76
77  void split_phrase(const UCArray &word, const UCArray &body,
78            UCArray &prefix, UCArray &suffix);
79
80  bool phrase_match(const UCArray &text, UCArray::const_iterator &here,
81            UCArray::const_iterator end);
82
83  bool print_documents(bool XMLmode, const text_t &basepath,
84               const text_t &collection,
85               const vector <unsigned long> &docNums,
86               const vector <unsigned long> &docFreq,
87               unsigned long first, unsigned long last,
88               displayclass &disp, outconvertclass &outconvert,
89               ostream &textout);
90
91  bool get_document_all_data(TextData &docdata, unsigned long docNum,
92                 UCArray &title, UCArray &hash);
93
94  void toUCArray(const text_t &in, UCArray &out);
95
96  void output_error (const text_t &message, ostream &textout,
97             outconvertclass &outconvert,
98             displayclass & disp, ostream &logout,
99             bool XMLmode);
100
101
102public:
103  phindaction ();
104  virtual ~phindaction ();
105
106  text_t get_action_name () {return "phind";}
107
108  void get_cgihead_info (cgiargsclass &args, recptprotolistclass *protos,
109             response_t &response,text_t &response_data,
110             ostream &logout);
111
112  bool do_action (cgiargsclass &args, recptprotolistclass *protos,
113          browsermapclass *browsers, displayclass &disp,
114          outconvertclass &outconvert, ostream &textout,
115          ostream &logout);
116
117
118};
119
120#endif //!PHINDACTION_H
121#endif //GSDL_USE_PHIND_ACTION
122
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