--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/homescreenapp/hswidgetuninstaller/src/hswidgetcomponentparser.cpp	Fri May 14 15:43:04 2010 +0300
@@ -0,0 +1,260 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+
+
+#include "hswidgetcomponentparser.h"
+#include <QFile>
+
+const char WIDGETPROVIDER[] = "widgetprovider";
+const char WIDGET[] = "widget";
+const char WIDGETMANIFEST[] = "hswidgetmanifest";
+
+const char URI[] = "uri";
+const char TITLE[] = "title";
+const char ICONURI[] = "iconuri";
+const char ICON[] = "icon";
+const char DESCRIPTION[] = "description";
+const char HIDDEN[] = "hidden";
+const char SERVICEXML[] = "servicexml";
+const char VERSION[] = "version";
+const char VERSION_1_0[] = "1.0";
+
+/*!
+    \class HsWidgetComponentParser
+    \ingroup group_hswidgetuninstaller
+    \brief Parses widget manifest xml file.
+*/
+
+
+/*!
+    Constructor, \a aComponentManifest path to file \a parent.
+*/
+HsWidgetComponentParser::HsWidgetComponentParser(const QString &aComponentManifest, QObject *parent)
+    : QObject(parent),mError(false)
+{
+    parseFile(aComponentManifest);
+}
+
+/*!
+    Destructor.
+*/
+HsWidgetComponentParser::~HsWidgetComponentParser()
+{
+
+}
+
+/*!
+    Returns parsed widget component descriptor.
+*/
+HsWidgetComponentDescriptor HsWidgetComponentParser::widgetComponentDescriptor()
+{
+    return mComponentDescriptor;
+}
+
+/*!
+    Returns true if error occurred in parsing.
+*/
+bool HsWidgetComponentParser::error()
+{
+    return mError;
+}
+
+/*!
+    Parse widget component descriptor from \a aComponentManifest file.
+*/
+void HsWidgetComponentParser::parseFile(const QString &aComponentManifest)
+{
+    QFile file(aComponentManifest);
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        mError = true;
+        return;
+    }
+    mParser.setDevice(&file);
+    if (mParser.readNextStartElement()) {
+        if (mParser.name() == WIDGETMANIFEST){
+             parseWidgetManifestTag();
+        } else if(mParser.name() == WIDGETPROVIDER){
+            parseWidgetProviderTag();
+        } else {
+            mParser.raiseError(QObject::tr("Malformed manifest"));
+        }
+    } else {
+        mParser.raiseError(QObject::tr("Malformed manifest"));
+    }
+    mError = mParser.error();
+
+}
+
+/*!
+    Parse manifest tag.
+*/
+void HsWidgetComponentParser::parseWidgetManifestTag()
+{
+    Q_ASSERT(mParser.isStartElement() && mParser.name() == WIDGETMANIFEST);
+    
+    /* Detect version */
+    if (mParser.attributes().hasAttribute(VERSION)) {
+        QStringRef version = mParser.attributes().value(VERSION);
+        mComponentDescriptor.version = version.toString();
+        if (version == VERSION_1_0) { 
+            parseVersion1_0();
+        } else {
+            mParser.raiseError(QObject::tr("Unsupported version"));
+        }
+        
+    } else {
+        // newest is default
+        parseVersion1_0();
+        mComponentDescriptor.version = VERSION_1_0;
+    }
+}
+
+/*!
+    Parse provider tag.
+*/
+void HsWidgetComponentParser::parseWidgetProviderTag()
+{
+    Q_ASSERT(mParser.isStartElement() && mParser.name() == WIDGETPROVIDER);
+    if (!mParser.readNextStartElement() || mParser.name() != WIDGET) {
+        mParser.raiseError(QObject::tr("Malformed manifest"));
+        return;
+    }
+   
+    // everything is in attributes
+    QXmlStreamAttributes attrs = mParser.attributes();
+    foreach (QXmlStreamAttribute attr, attrs) {
+        QStringRef name = attr.name();
+        if (name == URI) {
+            mComponentDescriptor.uri = attr.value().toString();
+        } else if (name == ICONURI) {
+            mComponentDescriptor.iconUri = attr.value().toString();   
+        } else if (name == TITLE) {
+            mComponentDescriptor.title = attr.value().toString();    
+        } else if (name == DESCRIPTION) {
+            mComponentDescriptor.description = attr.value().toString();
+        } else if (name == HIDDEN) {
+            mComponentDescriptor.hidden = attr.value().toString();
+        } 
+    }
+
+}
+/*!
+    Parse version 1.0.
+*/
+void HsWidgetComponentParser::parseVersion1_0()
+{
+    Q_ASSERT(mParser.isStartElement() && mParser.name() == WIDGETMANIFEST);
+    /* We'll parse the XML until we reach </hswidgetmanifest> tag, end of cml or have an error. */
+	while( !(mParser.tokenType() == QXmlStreamReader::EndElement && mParser.name() == WIDGETMANIFEST) && 
+        !mParser.hasError() && !mParser.atEnd()) {
+        
+        mParser.readNext();
+        if (mParser.tokenType() != QXmlStreamReader::StartElement) {
+            continue;
+        }
+		/* Read next start element.*/
+	    QStringRef tag = mParser.name();
+		if(tag == URI) {
+			parseUri();
+        } else if (tag == ICON) {
+            parseIcon();
+        } else if (tag == TITLE) {
+            parseTitle();
+        } else if (tag == DESCRIPTION) {
+            parseDescription();
+        } else if (tag == HIDDEN) {
+            parseHidden();
+        } else if (tag == SERVICEXML) {
+            parseServiceXml();
+        } 
+	}
+}
+
+
+/*!
+    Parse uri.
+*/
+void HsWidgetComponentParser::parseUri()
+{
+    mParser.readNext();
+    if(mParser.tokenType() != QXmlStreamReader::Characters) {
+		return;
+	}
+    mComponentDescriptor.uri = mParser.text().toString();
+}
+
+/*!
+    Parse icon.
+*/
+void HsWidgetComponentParser::parseIcon()
+{
+    mParser.readNext();
+    if(mParser.tokenType() != QXmlStreamReader::Characters) {
+		return;
+	}
+    mComponentDescriptor.iconUri = mParser.text().toString();
+}
+
+/*!
+    Parse title.
+*/
+void HsWidgetComponentParser::parseTitle()
+{
+    mParser.readNext();
+    if(mParser.tokenType() != QXmlStreamReader::Characters) {
+		return;
+	}
+    mComponentDescriptor.title = mParser.text().toString();
+}
+
+/*!
+    Parse description.
+*/
+void HsWidgetComponentParser::parseDescription()
+{
+    mParser.readNext();
+    if(mParser.tokenType() != QXmlStreamReader::Characters) {
+		return;
+	}
+    mComponentDescriptor.description = mParser.text().toString();
+}
+
+/*!
+    Parse hidden.
+*/
+void HsWidgetComponentParser::parseHidden()
+{
+    mParser.readNext();
+    if(mParser.tokenType() != QXmlStreamReader::Characters) {
+		return;
+	}
+    mComponentDescriptor.hidden = mParser.text().toString();
+}
+
+/*!
+    Parse service xml.
+*/
+void HsWidgetComponentParser::parseServiceXml()
+{
+    mParser.readNext();
+    if(mParser.tokenType() != QXmlStreamReader::Characters) {
+		return;
+	}
+    mComponentDescriptor.serviceXml = mParser.text().toString();
+}
+