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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* 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 <ntqxml.h>
#include <ntqvaluestack.h>
// #include <util/fileops.h>
#include <kdebug.h>
// #include <torrent/globals.h>
#include "upnprouter.h"
#include "upnpdescriptionparser.h"
using namespace bt;
namespace kt
{
class XMLContentHandler : public TQXmlDefaultHandler
{
enum Status
{
TOPLEVEL,ROOT,DEVICE,SERVICE,FIELD,OTHER
};
TQString tmp;
UPnPRouter* router;
UPnPService curr_service;
TQValueStack<Status> status_stack;
public:
XMLContentHandler(UPnPRouter* router);
virtual ~XMLContentHandler();
bool startDocument();
bool endDocument();
bool startElement(const TQString &, const TQString & localName, const TQString &,
const TQXmlAttributes & atts);
bool endElement(const TQString & , const TQString & localName, const TQString & );
bool characters(const TQString & ch);
bool interestingDeviceField(const TQString & name);
bool interestingServiceField(const TQString & name);
};
UPnPDescriptionParser::UPnPDescriptionParser()
{}
UPnPDescriptionParser::~UPnPDescriptionParser()
{}
bool UPnPDescriptionParser::parse(const TQString & file,UPnPRouter* router)
{
bool ret = true;
{
TQFile fptr(file);
if (!fptr.open(IO_ReadOnly))
return false;
TQXmlInputSource input(&fptr);
XMLContentHandler chandler(router);
TQXmlSimpleReader reader;
reader.setContentHandler(&chandler);
ret = reader.parse(&input,false);
}
if (!ret)
{
kdDebug() << "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 TQString & name)
{
return name == "friendlyName" || name == "manufacturer" || name == "modelDescription" ||
name == "modelName" || name == "modelNumber";
}
bool XMLContentHandler::interestingServiceField(const TQString & name)
{
return name == "serviceType" || name == "serviceId" || name == "SCPDURL" ||
name == "controlURL" || name == "eventSubURL";
}
bool XMLContentHandler::startElement(const TQString &, const TQString & localName, const TQString &,
const TQXmlAttributes & )
{
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 TQString & , const TQString & localName, const TQString & )
{
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 TQString & ch)
{
if (ch.length() > 0)
{
tmp += ch;
}
return true;
}
}
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