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
|
/* $Id: mindex.cpp,v 1.14 2004/08/27 15:04:05 terpstra Exp $
*
* mindex.cpp - Handle a mindex/ command
*
* Copyright (C) 2002 - Wesley W. Terpstra
*
* License: GPL
*
* Authors: 'Wesley W. Terpstra' <wesley@terpstra.ca>
*
* 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; version 2.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#define _XOPEN_SOURCE 500
#define _FILE_OFFSET_BITS 64
#include <iostream>
#include <cerrno>
#include <cassert>
#include <MessageId.h>
#include <Keys.h>
#include "commands.h"
#include "Search.h"
#include "Cache.h"
using namespace std;
int handle_mindex(const Config& cfg, ESort::Reader* db, const string& param)
{
Request req = parse_request(param);
cfg.options = req.options;
string::size_type o = req.options.find('@');
if (o == string::npos ||
!MessageId::is_full(req.options.c_str()+o+1) ||
req.options.length() != o+1+MessageId::full_len)
error(_("Bad request"), param,
_("The given parameter was not of the correct format. "
"A mindex request must be formatted like: "
"mindex/list@YYYYMMDD.HHMMSS.hashcode.xml where list "
"is the id of an indexed mailing list."));
MessageId id(req.options.c_str()+o+1);
string listn(req.options, 0, o);
if (cfg.lists.find(listn) == cfg.lists.end())
error(_("No such list"), listn,
_("The specified mailing list is not available in this "
"archive. Perhaps you misspelled it or went to the "
"wrong server?"));
const List& list = cfg.lists.find(listn)->second;
// Right! Everything the user did is ok.
vector<Summary> forward, backward, queue;
Search backwardk(cfg, db, Backward, id);
backwardk.keyword(LU_KEYWORD_LIST + list.mbox);
Search forwardk (cfg, db, Forward, id);
forwardk .keyword(LU_KEYWORD_LIST + list.mbox);
string ok;
if (!forwardk .pull(35, forward ) ||
!backwardk.pull(35, backward))
error(_("Database mindex seek failure"), "pull",
_("Something internal to the database failed. "
"Please contact the lurker user mailing list for "
"furth assistence."));
vector<Summary>::size_type left, right, i;
if (forward.size() + backward.size() < 20)
{
left = backward.size();
right = forward.size();
}
else if (forward.size() < 10)
{
right = forward.size();
left = 20 - right;
}
else if (backward.size() < 10)
{
left = backward.size();
right = 20 - left;
}
else
{
left = right = 10;
}
assert (left <= backward.size());
assert (right <= forward .size());
for (i = left; i > 0; --i) queue.push_back(backward[i-1]);
for (i = 0; i < right; ++i) queue.push_back(forward[i]);
for (i = 0; i < queue.size(); ++i)
if ((ok = queue[i].load(db, cfg)) != "")
break;
if (ok != "")
error(_("Database mindex pull failure"), ok,
_("Something internal to the database failed. "
"Please contact the lurker user mailing list for "
"further assistence."));
Cache cache(cfg, "mindex", param, req.ext);
cache.o << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
<< "<?xml-stylesheet type=\"text/xsl\" href=\"../fmt/mindex.xsl\"?>\n"
<< "<mindex xml:lang=\"" << req.language << "\">\n"
<< " " << cfg(req.language) << "\n"
<< " " << list(req.language) << "\n";
if (right < forward.size())
{ // we need a next link
i = min(right+9, forward.size()-1);
MessageId nd(forward[i].id());
nd.increment(); // hope that it doesn't exist (-> skips one)
cache.o << " <next>" << nd.serialize() << "</next>\n";
}
if (left < backward.size())
{ // we need a prev link
i = min(left+10, backward.size()-1);
MessageId pd(backward[i].id());
pd.increment();
cache.o << " <prev>" << pd.serialize() << "</prev>\n";
}
for (i = 0; i < queue.size(); ++i)
{
if (queue[i].id() == id)
cache.o << " <row selected=\"true\">";
else cache.o << " <row>";
cache.o << queue[i] << "</row>\n";
}
cache.o << "</mindex>\n";
return 0;
}
|
