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
|
/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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 2 of the License, or
* any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#include "configuration.h"
#include <math.h>
#include <sstream>
#include <libxml/xmlwriter.h>
#ifdef __DEBUG
#include <iostream>
#endif
#include "configlistener.h"
#include "log.h"
void Configuration::init(const std::string &filename)
{
configPath = filename;
// Do not attempt to read config from non-existant file
FILE *testFile = fopen(configPath.c_str(), "r");
if (!testFile) {
return;
}
else {
fclose(testFile);
}
xmlDocPtr doc = xmlReadFile(filename.c_str(), NULL, 0);
if (!doc) return;
xmlNodePtr node = xmlDocGetRootElement(doc);
if (!node || !xmlStrEqual(node->name, BAD_CAST "configuration")) {
logger->log("Warning: No configuration file (%s)", filename.c_str());
return;
}
for (node = node->xmlChildrenNode; node != NULL; node = node->next)
{
if (xmlStrEqual(node->name, BAD_CAST "option"))
{
xmlChar *name = xmlGetProp(node, BAD_CAST "name");
xmlChar *value = xmlGetProp(node, BAD_CAST "value");
if (name && value) {
options[std::string((const char*)name)] =
std::string((const char*)value);
}
if (name) xmlFree(name);
if (value) xmlFree(value);
}
}
xmlFreeDoc(doc);
}
void Configuration::write()
{
// Do not attempt to write to file that cannot be opened for writing
FILE *testFile = fopen(configPath.c_str(), "w");
if (!testFile) {
return;
}
else {
fclose(testFile);
}
xmlTextWriterPtr writer = xmlNewTextWriterFilename(configPath.c_str(), 0);
if (writer)
{
xmlTextWriterSetIndent(writer, 1);
xmlTextWriterStartDocument(writer, NULL, NULL, NULL);
xmlTextWriterStartElement(writer, BAD_CAST "configuration");
std::map<std::string, std::string>::iterator iter;
for (iter = options.begin(); iter != options.end(); iter++)
{
logger->log("Configuration::write(%s, \"%s\")",
iter->first.c_str(), iter->second.c_str());
xmlTextWriterStartElement(writer, BAD_CAST "option");
xmlTextWriterWriteAttribute(writer,
BAD_CAST "name", BAD_CAST iter->first.c_str());
xmlTextWriterWriteAttribute(writer,
BAD_CAST "value", BAD_CAST iter->second.c_str());
xmlTextWriterEndElement(writer);
}
xmlTextWriterEndDocument(writer);
xmlFreeTextWriter(writer);
}
}
void Configuration::setValue(const std::string &key, std::string value)
{
#ifdef __DEBUG
std::cout << "Configuration::setValue(" << key << ", " << value << ")\n";
#endif
options[key] = value;
// Notify listeners
std::map<std::string, std::list<ConfigListener*> >::iterator list =
listeners.find(key);
if (list != listeners.end()) {
std::list<ConfigListener*>::iterator listener = (*list).second.begin();
while (listener != (*list).second.end())
{
(*listener)->optionChanged(key);
listener++;
}
}
}
void Configuration::setValue(const std::string &key, float value)
{
std::stringstream ss;
if (value == floor(value)) {
ss << (int)value;
} else {
ss << value;
}
setValue(key, ss.str());
}
std::string Configuration::getValue(const std::string &key, std::string deflt)
{
std::map<std::string, std::string>::iterator iter = options.find(key);
if (iter != options.end()) {
return (*iter).second;
}
return deflt;
}
float Configuration::getValue(const std::string &key, float deflt)
{
std::map<std::string, std::string>::iterator iter = options.find(key);
if (iter != options.end()) {
return atof((*iter).second.c_str());
}
return deflt;
}
void Configuration::addListener(
const std::string &key, ConfigListener *listener)
{
listeners[key].push_front(listener);
}
void Configuration::removeListener(
const std::string &key, ConfigListener *listener)
{
std::list<ConfigListener*>::iterator i = listeners[key].begin();
while (i != listeners[key].end())
{
if ((*i) == listener) {
listeners[key].erase(i);
return;
}
i++;
}
}
|
