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
|
/* message.cc - Results of message-based searches from a notmuch database
*
* Copyright © 2009 Carl Worth
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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, see http://www.gnu.org/licenses/ .
*
* Author: Carl Worth <cworth@cworth.org>
*/
#include "notmuch-private.h"
#include "database-private.h"
#include <xapian.h>
struct _notmuch_message {
Xapian::Document doc;
};
struct _notmuch_tags {
Xapian::TermIterator iterator;
Xapian::TermIterator iterator_end;
};
/* We end up having to call the destructor explicitly because we had
* to use "placement new" in order to initialize C++ objects within a
* block that we allocated with talloc. So C++ is making talloc
* slightly less simple to use, (we wouldn't need
* talloc_set_destructor at all otherwise).
*/
static int
_notmuch_message_destructor (notmuch_message_t *message)
{
message->doc.~Document ();
return 0;
}
notmuch_message_t *
_notmuch_message_create (notmuch_results_t *owner,
notmuch_database_t *notmuch,
Xapian::docid doc_id)
{
notmuch_message_t *message;
message = talloc (owner, notmuch_message_t);
if (unlikely (message == NULL))
return NULL;
new (&message->doc) Xapian::Document;
talloc_set_destructor (message, _notmuch_message_destructor);
message->doc = notmuch->xapian_db->get_document (doc_id);
return message;
}
const char *
notmuch_message_get_message_id (notmuch_message_t *message)
{
Xapian::TermIterator i;
i = message->doc.termlist_begin ();
i.skip_to ("Q");
if (i != message->doc.termlist_end ())
return talloc_strdup (message, (*i).c_str () + 1);
else
return NULL;
}
/* We end up having to call the destructors explicitly because we had
* to use "placement new" in order to initialize C++ objects within a
* block that we allocated with talloc. So C++ is making talloc
* slightly less simple to use, (we wouldn't need
* talloc_set_destructor at all otherwise).
*/
static int
_notmuch_tags_destructor (notmuch_tags_t *tags)
{
tags->iterator.~TermIterator ();
tags->iterator_end.~TermIterator ();
return 0;
}
notmuch_tags_t *
notmuch_message_get_tags (notmuch_message_t *message)
{
notmuch_tags_t *tags;
tags = talloc (message, notmuch_tags_t);
if (unlikely (tags == NULL))
return NULL;
new (&tags->iterator) Xapian::TermIterator;
new (&tags->iterator_end) Xapian::TermIterator;
talloc_set_destructor (tags, _notmuch_tags_destructor);
tags->iterator = message->doc.termlist_begin ();
tags->iterator.skip_to ("L");
tags->iterator_end = message->doc.termlist_end ();
return tags;
}
void
notmuch_message_destroy (notmuch_message_t *message)
{
talloc_free (message);
}
notmuch_bool_t
notmuch_tags_has_more (notmuch_tags_t *tags)
{
std::string s;
if (tags->iterator == tags->iterator_end)
return FALSE;
s = *tags->iterator;
if (s.size () && s[0] == 'L')
return TRUE;
else
return FALSE;
}
const char *
notmuch_tags_get (notmuch_tags_t *tags)
{
return talloc_strdup (tags, (*tags->iterator).c_str () + 1);
}
void
notmuch_tags_advance (notmuch_tags_t *tags)
{
tags->iterator++;
}
void
notmuch_tags_destroy (notmuch_tags_t *tags)
{
talloc_free (tags);
}
|
