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
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
|
/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* [email protected] *
* *
* 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 2 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include <qxml.h>
#include <qvaluestack.h>
#include <util/fileops.h>
#include <util/log.h>
#include <torrent/globals.h>
#include "upnprouter.h"
#include "upnpdescriptionparser.h"
using namespace bt;
namespace kt
{
class XMLContentHandler : public QXmlDefaultHandler
{
enum Status
{
TOPLEVEL,ROOT,DEVICE,SERVICE,FIELD,OTHER
};
QString tmp;
UPnPRouter* router;
UPnPService curr_service;
QValueStack<Status> status_stack;
public:
XMLContentHandler(UPnPRouter* router);
virtual ~XMLContentHandler();
bool startDocument();
bool endDocument();
bool startElement(const QString &, const QString & localName, const QString &,
const QXmlAttributes & atts);
bool endElement(const QString & , const QString & localName, const QString & );
bool characters(const QString & ch);
bool interestingDeviceField(const QString & name);
bool interestingServiceField(const QString & name);
};
UPnPDescriptionParser::UPnPDescriptionParser()
{}
UPnPDescriptionParser::~UPnPDescriptionParser()
{}
bool UPnPDescriptionParser::parse(const QString & file,UPnPRouter* router)
{
bool ret = true;
{
QFile fptr(file);
if (!fptr.open(IO_ReadOnly))
return false;
QXmlInputSource input(&fptr);
XMLContentHandler chandler(router);
QXmlSimpleReader reader;
reader.setContentHandler(&chandler);
ret = reader.parse(&input,false);
}
if (!ret)
{
Out(SYS_PNP|LOG_IMPORTANT) << "Error parsing XML" << endl;
return false;
}
return true;
}
/////////////////////////////////////////////////////////////////////////////////
XMLContentHandler::XMLContentHandler(UPnPRouter* router) : router(router)
{}
XMLContentHandler::~XMLContentHandler()
{}
bool XMLContentHandler::startDocument()
{
status_stack.push(TOPLEVEL);
return true;
}
bool XMLContentHandler::endDocument()
{
status_stack.pop();
return true;
}
bool XMLContentHandler::interestingDeviceField(const QString & name)
{
return name == "friendlyName" || name == "manufacturer" || name == "modelDescription" ||
name == "modelName" || name == "modelNumber";
}
bool XMLContentHandler::interestingServiceField(const QString & name)
{
return name == "serviceType" || name == "serviceId" || name == "SCPDURL" ||
name == "controlURL" || name == "eventSubURL";
}
bool XMLContentHandler::startElement(const QString &, const QString & localName, const QString &,
const QXmlAttributes & )
{
tmp = "";
switch (status_stack.top())
{
case TOPLEVEL:
// from toplevel we can only go to root
if (localName == "root")
status_stack.push(ROOT);
else
return false;
break;
case ROOT:
// from the root we can go to device or specVersion
// we are not interested in the specVersion
if (localName == "device")
status_stack.push(DEVICE);
else
status_stack.push(OTHER);
break;
case DEVICE:
// see if it is a field we are interested in
if (interestingDeviceField(localName))
status_stack.push(FIELD);
else
status_stack.push(OTHER);
break;
case SERVICE:
if (interestingServiceField(localName))
status_stack.push(FIELD);
else
status_stack.push(OTHER);
break;
case OTHER:
if (localName == "service")
status_stack.push(SERVICE);
else if (localName == "device")
status_stack.push(DEVICE);
else
status_stack.push(OTHER);
break;
case FIELD:
break;
}
return true;
}
bool XMLContentHandler::endElement(const QString & , const QString & localName, const QString & )
{
switch (status_stack.top())
{
case FIELD:
// we have a field so set it
status_stack.pop();
if (status_stack.top() == DEVICE)
{
// if we are in a device
router->getDescription().setProperty(localName,tmp);
}
else if (status_stack.top() == SERVICE)
{
// set a property of a service
curr_service.setProperty(localName,tmp);
}
break;
case SERVICE:
// add the service
router->addService(curr_service);
curr_service.clear();
// pop the stack
status_stack.pop();
break;
default:
status_stack.pop();
break;
}
// reset tmp
tmp = "";
return true;
}
bool XMLContentHandler::characters(const QString & ch)
{
if (ch.length() > 0)
{
tmp += ch;
}
return true;
}
}
|
