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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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93
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#include "hswidgetcomponentparser.h"
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#include <QFile>
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const char WIDGETPROVIDER[] = "widgetprovider";
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const char WIDGET[] = "widget";
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const char WIDGETMANIFEST[] = "hswidgetmanifest";
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const char URI[] = "uri";
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const char TITLE[] = "title";
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const char ICONURI[] = "iconuri";
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const char ICON[] = "icon";
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const char DESCRIPTION[] = "description";
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const char HIDDEN[] = "hidden";
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const char SERVICEXML[] = "servicexml";
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const char VERSION[] = "version";
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const char VERSION_1_0[] = "1.0";
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HsWidgetComponentParser::HsWidgetComponentParser(const QString &aComponentManifest, QObject *parent)
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: QObject(parent),mError(false)
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{
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parseFile(aComponentManifest);
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}
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HsWidgetComponentParser::~HsWidgetComponentParser()
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{
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}
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HsWidgetComponentDescriptor HsWidgetComponentParser::widgetComponentDescriptor()
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{
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return mComponentDescriptor;
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}
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bool HsWidgetComponentParser::error()
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{
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return mError;
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}
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void HsWidgetComponentParser::parseFile(const QString &aComponentManifest)
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{
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QFile file(aComponentManifest);
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if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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mError = false;
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return;
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}
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mParser.setDevice(&file);
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if (mParser.readNextStartElement()) {
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if (mParser.name() == WIDGETMANIFEST){
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parseWidgetManifestTag();
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} else if(mParser.name() == WIDGETPROVIDER){
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parseWidgetProviderTag();
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} else {
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mParser.raiseError(QObject::tr("Malformed manifest"));
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}
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} else {
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mParser.raiseError(QObject::tr("Malformed manifest"));
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}
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mError = mParser.error();
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}
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void HsWidgetComponentParser::parseWidgetManifestTag()
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{
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Q_ASSERT(mParser.isStartElement() && mParser.name() == WIDGETMANIFEST);
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/* Detect version */
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if (mParser.attributes().hasAttribute(VERSION)) {
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QStringRef version = mParser.attributes().value(VERSION);
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mComponentDescriptor.version = version.toString();
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if (version == VERSION_1_0) {
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parseVersion1_0();
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}
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} else {
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// newest is default
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parseVersion1_0();
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mComponentDescriptor.version = VERSION_1_0;
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}
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}
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void HsWidgetComponentParser::parseWidgetProviderTag()
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{
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Q_ASSERT(mParser.isStartElement() && mParser.name() == WIDGETPROVIDER);
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if (!mParser.readNextStartElement() || mParser.name() != WIDGET) {
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mParser.raiseError(QObject::tr("Malformed manifest"));
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return;
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}
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// everything is in attributes
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QXmlStreamAttributes attrs = mParser.attributes();
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foreach (QXmlStreamAttribute attr, attrs) {
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QStringRef name = attr.name();
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if (name == URI) {
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mComponentDescriptor.uri = attr.value().toString();
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} else if (name == ICONURI) {
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mComponentDescriptor.iconUri = attr.value().toString();
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} else if (name == TITLE) {
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mComponentDescriptor.title = attr.value().toString();
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} else if (name == DESCRIPTION) {
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mComponentDescriptor.description = attr.value().toString();
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} else if (name == HIDDEN) {
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mComponentDescriptor.hidden = attr.value().toString();
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}
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}
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}
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void HsWidgetComponentParser::parseVersion1_0()
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{
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Q_ASSERT(mParser.isStartElement() && mParser.name() == WIDGETMANIFEST);
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/* We'll parse the XML until we reach </hswidgetmanifest> tag, end of cml or have an error. */
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while( !(mParser.tokenType() == QXmlStreamReader::EndElement && mParser.name() == WIDGETMANIFEST) &&
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!mParser.hasError() && !mParser.atEnd()) {
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mParser.readNext();
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if (mParser.tokenType() != QXmlStreamReader::StartElement) {
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continue;
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}
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/* Read next start element.*/
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QStringRef tag = mParser.name();
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if(tag == URI) {
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parseUri();
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} else if (tag == ICON) {
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parseIcon();
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} else if (tag == TITLE) {
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parseTitle();
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} else if (tag == DESCRIPTION) {
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parseDescription();
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} else if (tag == HIDDEN) {
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parseHidden();
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} else if (tag == SERVICEXML) {
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parseServiceXml();
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}
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}
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}
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void HsWidgetComponentParser::parseUri()
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{
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mParser.readNext();
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if(mParser.tokenType() != QXmlStreamReader::Characters) {
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return;
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}
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mComponentDescriptor.uri = mParser.text().toString();
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}
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void HsWidgetComponentParser::parseIcon()
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{
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mParser.readNext();
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if(mParser.tokenType() != QXmlStreamReader::Characters) {
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return;
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}
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mComponentDescriptor.iconUri = mParser.text().toString();
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}
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void HsWidgetComponentParser::parseTitle()
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{
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mParser.readNext();
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if(mParser.tokenType() != QXmlStreamReader::Characters) {
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return;
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}
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mComponentDescriptor.title = mParser.text().toString();
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}
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void HsWidgetComponentParser::parseDescription()
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{
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mParser.readNext();
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if(mParser.tokenType() != QXmlStreamReader::Characters) {
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return;
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}
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mComponentDescriptor.description = mParser.text().toString();
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}
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void HsWidgetComponentParser::parseHidden()
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{
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mParser.readNext();
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if(mParser.tokenType() != QXmlStreamReader::Characters) {
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return;
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}
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mComponentDescriptor.hidden = mParser.text().toString();
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}
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void HsWidgetComponentParser::parseServiceXml()
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{
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mParser.readNext();
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if(mParser.tokenType() != QXmlStreamReader::Characters) {
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return;
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}
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mComponentDescriptor.serviceXml = mParser.text().toString();
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}
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bool HsWidgetComponentParser::isWidgetTagValid()
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{
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return true;
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}
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