lbajardsilogic@15: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@15: 
lbajardsilogic@15: /*	Sound Access	
lbajardsilogic@15: 		EASAIER client application.	
lbajardsilogic@15: 		Silogic 2007. Laure Bajard. 
lbajardsilogic@15: 	
lbajardsilogic@15: 	This program is free software; you can redistribute it and/or    
lbajardsilogic@15: 	modify it under the terms of the GNU General Public License as    
lbajardsilogic@15: 	published by the Free Software Foundation; either version 2 of the    
lbajardsilogic@15: 	License, or (at your option) any later version.  See the file    
lbajardsilogic@15: 	COPYING included with this distribution for more information.
lbajardsilogic@15: */
lbajardsilogic@15: 
lbajardsilogic@15: #include "QueryConfigReader.h"
lbajardsilogic@15: 
lbajardsilogic@15: #include <iostream>
lbajardsilogic@15: 
lbajardsilogic@15: #include "model/QueryModel.h"
lbajardsilogic@15: 
lbajardsilogic@15: QueryConfigReader::QueryConfigReader(QueryModel * queryModel) :
lbajardsilogic@15: 	m_queryModel(queryModel)
lbajardsilogic@15: {}
lbajardsilogic@15: 
lbajardsilogic@15: bool QueryConfigReader::parse(const QString & filename)
lbajardsilogic@15: {
lbajardsilogic@15: 	QueryConfigHandler handler(m_queryModel);
lbajardsilogic@15:     QXmlSimpleReader reader;
lbajardsilogic@15:     reader.setContentHandler(&handler);
lbajardsilogic@15:     reader.setErrorHandler(&handler);
lbajardsilogic@15: 
lbajardsilogic@15: 	QFile file(filename);
lbajardsilogic@15: 
lbajardsilogic@15:     if (!file.open(QFile::ReadOnly | QFile::Text)) {
lbajardsilogic@15:         return false;
lbajardsilogic@15:     }
lbajardsilogic@15: 
lbajardsilogic@15:     QXmlInputSource xmlInputSource(&file);
lbajardsilogic@15:     if (reader.parse(xmlInputSource))
lbajardsilogic@15: 	{
lbajardsilogic@15: 		return true;
lbajardsilogic@15: 	}
lbajardsilogic@15: 	
lbajardsilogic@15: 	return false;
lbajardsilogic@15: }
lbajardsilogic@15: 
lbajardsilogic@15: QueryConfigHandler::QueryConfigHandler(QueryModel * queryModel) : QXmlDefaultHandler(),
lbajardsilogic@15: 	m_inTheme(false),
lbajardsilogic@15: 	m_inFieldGroup(false),
lbajardsilogic@227: 	m_inBinding(false),
lbajardsilogic@227: 	m_propertyName(""),
lbajardsilogic@15: 	m_queryModel(queryModel)
lbajardsilogic@15: {}
lbajardsilogic@15: 
lbajardsilogic@15: bool QueryConfigHandler::startElement(const QString &namespaceURI, const QString &localName,
lbajardsilogic@15: 						  const QString &qName, const QXmlAttributes &attributes)
lbajardsilogic@15: {
lbajardsilogic@15: 	
lbajardsilogic@15:     QString name = qName.toLower();
lbajardsilogic@15: 
lbajardsilogic@15:     bool ok = false;
lbajardsilogic@15: 
lbajardsilogic@15:     // Valid element names:
lbajardsilogic@15:     //
lbajardsilogic@15:     // easaierquery
lbajardsilogic@15:     // theme
lbajardsilogic@15:     // fieldgroup
lbajardsilogic@15:     // field
lbajardsilogic@15:     
lbajardsilogic@15:     if (name == "easaierquery") {
lbajardsilogic@15: 
lbajardsilogic@15: 		// nothing needed
lbajardsilogic@15: 		ok = true;
lbajardsilogic@15: 
lbajardsilogic@15:     } else if (name == "theme") {
lbajardsilogic@15: 
lbajardsilogic@15: 		m_inTheme = true;
lbajardsilogic@15: 		m_queryModel->addTheme(attributes.value("name"), attributes.value("label"));
lbajardsilogic@15: 		ok = true;
lbajardsilogic@15: 
lbajardsilogic@15:     } else if (name == "fieldgroup") {
lbajardsilogic@15: 
lbajardsilogic@15: 		m_inFieldGroup = true;
lbajardsilogic@15: 		m_queryModel->newGroup(attributes.value("name"), attributes.value("label"));
lbajardsilogic@15: 		ok = true;
lbajardsilogic@15:     
lbajardsilogic@15:     } else if (name == "field") {
lbajardsilogic@15: 	
lbajardsilogic@15: 		ok = true;
lbajardsilogic@227: 		m_propertyName	= attributes.value("name");
lbajardsilogic@15: 		QString label	= attributes.value("label");
lbajardsilogic@15: 		QString type	= attributes.value("xsi:type");
lbajardsilogic@15: 		QString range	= attributes.value("range");
lbajardsilogic@15: 		QString unit	= attributes.value("unit");
lbajardsilogic@15: 		QString comment	= attributes.value("comment");
lbajardsilogic@227: 		m_queryModel->addProperty(m_propertyName, label, type, range, unit, comment);
lbajardsilogic@15: 
lbajardsilogic@227:     } else if (name == "range") {
lbajardsilogic@227: 
lbajardsilogic@227: 		m_inBinding = true;
lbajardsilogic@227: 		ok = true;
lbajardsilogic@227: 	}
lbajardsilogic@15: 
lbajardsilogic@15:     if (!ok) {
lbajardsilogic@15: 		std::cerr << "WARNING: QueryConfigReader-XML: Failed to completely process element \""
lbajardsilogic@15: 		  << name.toLocal8Bit().data() << "\"" << std::endl;
lbajardsilogic@15:     }
lbajardsilogic@15: 
lbajardsilogic@15:     return true;
lbajardsilogic@15: }
lbajardsilogic@15: 
lbajardsilogic@15: bool QueryConfigHandler::endElement(const QString &namespaceURI, const QString &localName,
lbajardsilogic@15: 						const QString &qName)
lbajardsilogic@15: {
lbajardsilogic@15: 	QString name = qName.toLower();
lbajardsilogic@15: 
lbajardsilogic@15:     if (name == "theme") 
lbajardsilogic@15: 	{
lbajardsilogic@15: 		m_inTheme = false;
lbajardsilogic@15:     } 
lbajardsilogic@15: 	else if (name == "fieldgroup") 
lbajardsilogic@15: 	{
lbajardsilogic@15:         m_inFieldGroup = false;
lbajardsilogic@15:     } 
lbajardsilogic@227: 	else if (name == "range") 
lbajardsilogic@227: 	{
lbajardsilogic@227:         m_inBinding = false;
lbajardsilogic@227:     } 
lbajardsilogic@15: 
lbajardsilogic@15: 	return true;
lbajardsilogic@15: }
lbajardsilogic@15: 
lbajardsilogic@15: bool QueryConfigHandler::characters(const QString &str)
lbajardsilogic@15: {
lbajardsilogic@15: 	bool ok = false;
lbajardsilogic@15: 
lbajardsilogic@227: 	if (m_inBinding)
lbajardsilogic@227: 	{
lbajardsilogic@227: 		m_queryModel->addRange(m_propertyName, str);
lbajardsilogic@227: 	}
lbajardsilogic@227: 
lbajardsilogic@15:     return true;
lbajardsilogic@15: }
lbajardsilogic@15: 
lbajardsilogic@15: bool QueryConfigHandler::error(const QXmlParseException &exception)
lbajardsilogic@15: {
lbajardsilogic@15: 	QString errorString;
lbajardsilogic@15: 	errorString += QString("ERROR: QueryConfigReader-XML: %1 at line %2, column %3")
lbajardsilogic@15: 	.arg(exception.message())
lbajardsilogic@15: 	.arg(exception.lineNumber())
lbajardsilogic@15: 	.arg(exception.columnNumber());
lbajardsilogic@15:     std::cerr << errorString.toLocal8Bit().data() << std::endl;
lbajardsilogic@15:     return QXmlDefaultHandler::error(exception);
lbajardsilogic@15: }
lbajardsilogic@15: 
lbajardsilogic@15: bool QueryConfigHandler::fatalError(const QXmlParseException &exception)
lbajardsilogic@15: {
lbajardsilogic@15: 	QString errorString;
lbajardsilogic@15: 	errorString += QString("FATAL ERROR: QueryConfigReader-XML: %1 at line %2, column %3")
lbajardsilogic@15: 	.arg(exception.message())
lbajardsilogic@15: 	.arg(exception.lineNumber())
lbajardsilogic@15: 	.arg(exception.columnNumber());
lbajardsilogic@15:     std::cerr << errorString.toLocal8Bit().data() << std::endl;
lbajardsilogic@15:     return QXmlDefaultHandler::fatalError(exception);
lbajardsilogic@15: }