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Diffstat (limited to 'plugins/upnp/upnpdescriptionparser.cpp')
| -rw-r--r-- | plugins/upnp/upnpdescriptionparser.cpp | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/plugins/upnp/upnpdescriptionparser.cpp b/plugins/upnp/upnpdescriptionparser.cpp new file mode 100644 index 0000000..43afbc3 --- /dev/null +++ b/plugins/upnp/upnpdescriptionparser.cpp @@ -0,0 +1,220 @@ +/*************************************************************************** + * 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 <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; + } + +} |