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133 lines
3.0 KiB
133 lines
3.0 KiB
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/*
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* UBRssHandler.cpp
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*
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* Created on: May 11, 2009
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* Author: Jérôme Marchaud
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*/
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#include "frameworks/UBVersion.h"
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#include "UBRssHandler.h"
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#include "UBSoftwareUpdate.h"
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const QString UBRssHandler::sRssItemElementName = "item";
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const QString UBRssHandler::sRssLinkElementName = "link";
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const QString UBRssHandler::sUniboardVersionElementName = "ub:version"; // TODO UB 4.x map properly ub namespace
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UBRssHandler::UBRssHandler()
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: mRssTagParsed(false)
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, mInItem(false)
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, mInVersion(false)
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{
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// NOOP
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}
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UBRssHandler::~UBRssHandler(void)
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{
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while (!mSoftwareUpdates.isEmpty())
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{
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delete mSoftwareUpdates.takeFirst();
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}
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}
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bool UBRssHandler::startElement(
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const QString & /* namespaceURI */,
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const QString & /* localName */,
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const QString &qualifiedName,
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const QXmlAttributes &attributes)
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{
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bool ok = true;
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if (!mRssTagParsed && qualifiedName != "rss")
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{
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mError = "This file is not a RSS source.";
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ok = false;
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}
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else if (qualifiedName == "rss")
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{
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QString version = attributes.value("version");
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if (!version.isEmpty() && version != "2.0")
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{
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mError = "Can only handle RSS 2.0.";
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ok = false;
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}
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else
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{
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mRssTagParsed = true;
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}
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}
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else if (qualifiedName == sRssItemElementName)
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{
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mInItem = true;
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}
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else if (qualifiedName == sUniboardVersionElementName)
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{
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mInVersion = true;
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}
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mCurrentText = "";
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return ok;
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}
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bool UBRssHandler::characters(const QString &str)
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{
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mCurrentText += str;
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return true;
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}
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bool UBRssHandler::endElement(
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const QString & /* namespaceURI */,
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const QString & /* localName */,
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const QString &qualifiedName)
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{
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bool ok = true;
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if (qualifiedName == sRssItemElementName)
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{
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mInItem = false;
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if (mVersion.isValid() && !mDownloadUrl.isEmpty())
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{
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UBSoftwareUpdate *softwareUpdate = new UBSoftwareUpdate(mVersion, mDownloadUrl);
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mSoftwareUpdates.append(softwareUpdate);
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}
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mVersion = UBVersion();
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mDownloadUrl = "";
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}
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else if (qualifiedName == sRssLinkElementName)
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{
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if (mInItem)
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{
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QUrl url(mCurrentText);
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if (url.isValid())
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mDownloadUrl = mCurrentText;
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else
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ok = false;
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}
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}
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else if (qualifiedName == sUniboardVersionElementName)
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{
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if (mInItem)
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{
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mVersion.setString(mCurrentText);
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ok = mVersion.isValid();
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mInVersion = false;
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}
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}
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return ok;
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}
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bool UBRssHandler::fatalError(const QXmlParseException &exception)
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{
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qWarning() << "Fatal error at line " << exception.lineNumber()
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<< ", column " << exception.columnNumber() << ": "
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<< exception.message() << mError;
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return false;
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}
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QString UBRssHandler::error() const
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{
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return mError;
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}
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QList<UBSoftwareUpdate *> UBRssHandler::softwareUpdates() const
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{
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return mSoftwareUpdates;
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}
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