1
2/*
3 This file is part of KHelpCenter.
4
5 Copyright (c) 2005 Cornelius Schumacher <schumacher@kde.org>
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20*/
21
22#ifndef KHC_SEARCHHANDLER_H
23#define KHC_SEARCHHANDLER_H
24
25#include "searchengine.h"
26
27#include <QObject>
28
29#include <KProcess>
30
31class KConfigGroup;
32namespace KIO {
33 class Job;
34}
35
36namespace KHC {
37
38 class SearchJob : public QObject {
39 Q_OBJECT
40 public:
41 SearchJob(DocEntry *entry);
42 ~SearchJob();
43
44 bool startLocal(const QString &cmdString);
45 bool startRemote(const QString &url);
46
47 Q_SIGNALS:
48 void searchFinished( SearchJob *, DocEntry *, const QString & );
49 void searchError( SearchJob *, DocEntry *, const QString & );
50
51 protected Q_SLOTS:
52 void searchExited( int exitCode, QProcess::ExitStatus );
53 void slotJobResult( KJob *job );
54 void slotJobData( KIO::Job *, const QByteArray &data );
55
56 protected:
57 DocEntry *mEntry;
58 KProcess *mProcess;
59 KIO::Job *mKioJob;
60 QString mCmd;
61 QString mResult;
62 QString mError;
63 };
64
65 class SearchHandler : public QObject
66 {
67 Q_OBJECT
68 public:
69 static SearchHandler *initFromFile( const QString &filename );
70
71 virtual ~SearchHandler();
72
73 virtual void search( DocEntry *, const QStringList &words,
74 int maxResults = 10,
75 SearchEngine::Operation operation = SearchEngine::And ) = 0;
76
77 virtual QString indexCommand( const QString &identifier ) = 0;
78
79 QStringList documentTypes() const;
80
81 virtual bool checkPaths(QString* error) const = 0;
82
83 Q_SIGNALS:
84 void searchFinished( SearchHandler *, DocEntry *, const QString & );
85 void searchError( SearchHandler *, DocEntry *, const QString & );
86
87 protected:
88 SearchHandler( const KConfigGroup &cg );
89
90 QString mLang;
91 QStringList mDocumentTypes;
92 };
93
94 class ExternalProcessSearchHandler : public SearchHandler
95 {
96 Q_OBJECT
97 public:
98 ExternalProcessSearchHandler( const KConfigGroup &cg );
99
100 void search( DocEntry *, const QStringList &words,
101 int maxResults = 10,
102 SearchEngine::Operation operation = SearchEngine::And );
103
104 QString indexCommand( const QString &identifier );
105
106 bool checkPaths(QString* error) const;
107
108 private:
109 bool checkBinary( const QString &cmd ) const;
110
111 private slots:
112 void slotSearchFinished( SearchJob *, DocEntry *, const QString & );
113 void slotSearchError( SearchJob *, DocEntry *, const QString & );
114
115 private:
116 QString mSearchCommand;
117 QString mSearchUrl;
118 QString mSearchBinary;
119 QString mIndexCommand;
120 QString mTryExec;
121 };
122
123}
124
125#endif //KHC_SEARCHHANDLER_H
126