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
|
/**
* @file lllocationhistory.cpp
* @brief Typed locations history
*
* $LicenseInfo:firstyear=2009&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "lllocationhistory.h"
#include <iomanip> // for std::setw()
#include "llui.h"
#include "llsd.h"
#include "llsdserialize.h"
LLLocationHistory::LLLocationHistory() :
mFilename("typed_locations.txt")
{
}
void LLLocationHistory::addItem(const LLLocationHistoryItem& item) {
static LLUICachedControl<S32> max_items("LocationHistoryMaxSize", 100);
// check if this item doesn't duplicate any existing one
location_list_t::iterator item_iter = std::find(mItems.begin(), mItems.end(),item);
if(item_iter != mItems.end()) // if it already exists, erase the old one
{
mItems.erase(item_iter);
}
mItems.push_back(item);
// If the vector size exceeds the maximum, purge the oldest items (at the start of the mItems vector).
if ((S32)mItems.size() > max_items)
{
mItems.erase(mItems.begin(), mItems.end()-max_items);
}
llassert((S32)mItems.size() <= max_items);
mChangedSignal(ADD);
}
/*
* @brief Try to find item in history.
* If item has been founded, it will be places into end of history.
* @return true - item has founded
*/
bool LLLocationHistory::touchItem(const LLLocationHistoryItem& item) {
bool result = false;
location_list_t::iterator item_iter = std::find(mItems.begin(), mItems.end(), item);
// the last used item should be the first in the history
if (item_iter != mItems.end()) {
mItems.erase(item_iter);
mItems.push_back(item);
result = true;
}
return result;
}
void LLLocationHistory::removeItems()
{
mItems.clear();
mChangedSignal(CLEAR);
}
bool LLLocationHistory::getMatchingItems(const std::string& substring, location_list_t& result) const
{
// *TODO: an STL algorithm would look nicer
result.clear();
std::string needle = substring;
LLStringUtil::toLower(needle);
for (location_list_t::const_iterator it = mItems.begin(); it != mItems.end(); ++it)
{
std::string haystack = it->getLocation();
LLStringUtil::toLower(haystack);
if (haystack.find(needle) != std::string::npos)
result.push_back(*it);
}
return result.size();
}
void LLLocationHistory::dump() const
{
LL_INFOS() << "Location history dump:" << LL_ENDL;
int i = 0;
for (location_list_t::const_iterator it = mItems.begin(); it != mItems.end(); ++it, ++i)
{
LL_INFOS() << "#" << std::setw(2) << std::setfill('0') << i << ": " << it->getLocation() << LL_ENDL;
}
}
void LLLocationHistory::save() const
{
// build filename for each user
std::string resolved_filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, mFilename);
if (resolved_filename.empty())
{
LL_INFOS() << "can't get path to location history filename - probably not logged in yet." << LL_ENDL;
return;
}
// open a file for writing
std::ofstream file(resolved_filename.c_str());
if (!file.is_open())
{
LL_WARNS() << "can't open location history file \"" << mFilename << "\" for writing" << LL_ENDL;
return;
}
for (location_list_t::const_iterator it = mItems.begin(); it != mItems.end(); ++it)
{
file << LLSDOStreamer<LLSDNotationFormatter>((*it).toLLSD()) << std::endl;
}
file.close();
}
void LLLocationHistory::load()
{
LL_INFOS() << "Loading location history." << LL_ENDL;
// build filename for each user
std::string resolved_filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, mFilename);
std::ifstream file(resolved_filename.c_str());
if (!file.is_open())
{
LL_WARNS() << "can't load location history from file \"" << mFilename << "\"" << LL_ENDL;
return;
}
mItems.clear();// need to use a direct call of clear() method to avoid signal invocation
// add each line in the file to the list
std::string line;
LLPointer<LLSDParser> parser = new LLSDNotationParser();
while (std::getline(file, line)) {
LLSD s_item;
std::istringstream iss(line);
if (parser->parse(iss, s_item, line.length()) == LLSDParser::PARSE_FAILURE)
{
LL_INFOS()<< "Parsing saved teleport history failed" << LL_ENDL;
break;
}
mItems.push_back(s_item);
}
file.close();
mChangedSignal(LOAD);
}
|
