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
| | /* parse-time-vrp.cc - date range query glue
*
* This file is part of notmuch.
*
* Copyright © 2012 Jani Nikula
*
* 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 https://www.gnu.org/licenses/ .
*
* Author: Jani Nikula <jani@nikula.org>
*/
#include "database-private.h"
#include "parse-time-vrp.h"
#include "parse-time-string.h"
notmuch_status_t
_notmuch_date_strings_to_query (Xapian::valueno slot,
const std::string &begin, const std::string &end,
Xapian::Query &output, std::string &msg)
{
double from = DBL_MIN, to = DBL_MAX;
time_t parsed_time, now;
std::string str;
/* Use the same 'now' for begin and end. */
if (time (&now) == (time_t) -1) {
msg = "unable to get current time";
return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
}
if (! begin.empty ()) {
if (parse_time_string (begin.c_str (), &parsed_time, &now, PARSE_TIME_ROUND_DOWN)) {
msg = "Didn't understand date specification '" + begin + "'";
return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
}
from = (double) parsed_time;
}
if (! end.empty ()) {
if (end == "!" && ! begin.empty ())
str = begin;
else
str = end;
if (parse_time_string (str.c_str (), &parsed_time, &now, PARSE_TIME_ROUND_UP_INCLUSIVE)) {
msg = "Didn't understand date specification '" + str + "'";
return NOTMUCH_STATUS_BAD_QUERY_SYNTAX;
}
to = (double) parsed_time;
}
output = Xapian::Query (Xapian::Query::OP_VALUE_RANGE, slot,
Xapian::sortable_serialise (from),
Xapian::sortable_serialise (to));
return NOTMUCH_STATUS_SUCCESS;
}
Xapian::Query
ParseTimeRangeProcessor::operator() (const std::string &begin, const std::string &end)
{
Xapian::Query output;
std::string msg;
if (_notmuch_date_strings_to_query (slot, begin, end, output, msg))
throw Xapian::QueryParserError (msg);
return output;
}
/* XXX TODO: is throwing an exception the right thing to do here? */
Xapian::Query
DateFieldProcessor::operator() (const std::string & str)
{
double from = DBL_MIN, to = DBL_MAX;
time_t parsed_time, now;
/* Use the same 'now' for begin and end. */
if (time (&now) == (time_t) -1)
throw Xapian::QueryParserError ("Unable to get current time");
if (parse_time_string (str.c_str (), &parsed_time, &now, PARSE_TIME_ROUND_DOWN))
throw Xapian::QueryParserError ("Didn't understand date specification '" + str + "'");
else
from = (double) parsed_time;
if (parse_time_string (str.c_str (), &parsed_time, &now, PARSE_TIME_ROUND_UP_INCLUSIVE))
throw Xapian::QueryParserError ("Didn't understand date specification '" + str + "'");
else
to = (double) parsed_time;
return Xapian::Query (Xapian::Query::OP_VALUE_RANGE, slot,
Xapian::sortable_serialise (from),
Xapian::sortable_serialise (to));
}
|