1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
#ifndef LPC_INDEX_H1110724080_INCLUDE_GUARD_
#define LPC_INDEX_H1110724080_INCLUDE_GUARD_
/* This file is part of KMail
* Copyright (C) 2005 Luís Pedro Coelho <luis@luispedro.org>
* (based on the old kmmsgindex by Sam Magnuson)
*
* KMail is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* KMail is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of this program with any edition of
* the Qt library by Trolltech AS, Norway (or with modified versions
* of Qt that use the same license as Qt), and distribute linked
* combinations including the two. You must obey the GNU General
* Public License in all respects for all of the code used other than
* Qt. If you modify this file, you may extend this exception to
* your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from
* your version.
*/
#include <tqobject.h>
#include <tqcstring.h>
#include <tqvaluelist.h>
#include <tqtimer.h>
#include <config.h>
#ifdef HAVE_INDEXLIB
#include <indexlib/index.h>
#include <indexlib/lockfile.h>
#endif
#include <vector>
#include <set>
class KMFolder;
class KMSearch;
class KMSearchRule;
class KMSearchPattern;
class KMMsgIndex : public TQObject {
Q_OBJECT
public:
explicit KMMsgIndex( TQObject* parent );
~KMMsgIndex();
public:
/**
* Starts a query.
* Results will be returned assyncronously by signals.
*
* @return false if the query cannot be handled
*/
bool startQuery( KMSearch* );
/**
* Stops a query. nop if the query isn't running anymore.
*
* @return true if the query was found
*/
bool stopQuery( KMSearch* );
/**
* Just return all the uids where the pattern exists
*/
std::vector<TQ_UINT32> simpleSearch( TQString, bool* ) const;
/**
* Returns whether the folder is indexable. Only local and dimap
* folders are currently indexable.
*
* Note that a folder might be indexable and not indexed if the user has
* disabled it. @see isIndexed
*/
bool isIndexable( KMFolder* folder ) const;
/**
* Returns whether the folder has indexing enabled.
*
* This returns true immediatelly after indexing has been enabled
* even though the folder is probably still being indexed in the background.
*/
bool isIndexed( KMFolder* folder ) const;
/**
* Returns whether the index is enabled
*/
bool isEnabled() const { return mState != s_disabled; }
public slots:
/**
* Either enable or disable indexing.
*
* Calling setEnabled( true ) will start building the whole index,
* which is an expensive operation (time and disk-space).
*
* Calling setEnabled( false ) will remove the index immediatelly,
* freeing up disk-space.
*/
void setEnabled( bool );
/**
* Change the indexing override for a given folder
*
* If called with true, will start indexing all the messages in the folder
* If called with false will remove all the messages in the folder
*/
void setIndexingEnabled( KMFolder*, bool );
private slots:
/**
* Removes the index.
*
* If the index is enabled, then creation will start on the next time
* KMMsgIndex is constructed.
*/
void clear();
void create();
void maintenance();
void act();
void removeSearch( TQObject* );
void continueCreation();
void slotAddMessage( TQ_UINT32 message );
void slotRemoveMessage( TQ_UINT32 message );
private:
static TQString defaultPath();
bool canHandleQuery( const KMSearchPattern* ) const;
int addMessage( TQ_UINT32 );
void removeMessage( TQ_UINT32 );
void scheduleAction();
bool creating() const;
public:
/**
* @internal
* DO NOT USE THIS CLASS
*
* It is conceptually a private class.
* Just needs to be public because of tqmoc limitations
*/
class Search;
private:
std::vector<TQ_UINT32> mPendingMsgs;
std::vector<KMFolder*> mPendingFolders;
std::vector<TQ_UINT32> mAddedMsgs;
std::vector<TQ_UINT32> mRemovedMsgs;
std::vector<TQ_UINT32> mExisting;
enum e_state {
s_idle, // doing nothing, index waiting
s_willcreate, // just constructed, create() scheduled (mIndex == 0)
s_creating, // creating the index from the messages
s_processing, // has messages to process
s_error, // an error occurred
s_disabled // disabled: the index is not working
} mState;
unsigned mMaintenanceCount;
#ifdef HAVE_INDEXLIB
/**
* The lock below should be moved down into libindex itself
* where things can be handled with a lot more granularity
*/
indexlib::detail::lockfile mLockFile;
//enum e_syncState { ss_none, ss_started, ss_synced } mSyncState;
//TQTimer* mSyncTimer;
indexlib::index* mIndex;
#endif
std::set<KMFolder*> mOpenedFolders;
std::vector<Search*> mSearches;
TQCString mIndexPath;
TQTimer* mTimer;
bool mSlowDown;
};
class KMMsgIndex::Search : public TQObject {
Q_OBJECT
public:
explicit Search( KMSearch* s );
~Search();
KMSearch* search() const { return mSearch; }
signals:
void found( TQ_UINT32 );
void finished( bool );
private slots:
void act();
private:
KMSearch* mSearch;
TQTimer* mTimer;
/**
* mResidual is the part of the pattern which is not
* handled by the index
*/
KMSearchPattern* mResidual;
std::vector<TQ_UINT32> mValues;
enum { s_none = 0, s_starting, s_emitting, s_emitstopped, s_done } mState;
};
#endif /* LPC_INDEX_H1110724080_INCLUDE_GUARD_ */
|
