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Diffstat (limited to 'tderadio3/src/stationlistxmlhandler.cpp')
| -rw-r--r-- | tderadio3/src/stationlistxmlhandler.cpp | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/tderadio3/src/stationlistxmlhandler.cpp b/tderadio3/src/stationlistxmlhandler.cpp new file mode 100644 index 0000000..04e9d6f --- /dev/null +++ b/tderadio3/src/stationlistxmlhandler.cpp @@ -0,0 +1,230 @@ +/*************************************************************************** + StationListXmlHandler.cpp - description + ------------------- + begin : Son Jan 12 2003 + copyright : (C) 2003 by Martin Witte + email : [email protected] + ***************************************************************************/ + +/*************************************************************************** + * * + * 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. * + * * + ***************************************************************************/ + +#include "include/stationlistxmlhandler.h" +#include <klocale.h> + +const char *TDERadioConfigElement = "kradiorc"; + +const char *StationListElement = "stationlist"; +const char *compatStationElement = "station"; + +const char *StationListInfo = "info"; +const char *StationListInfoMaintainer = "maintainer"; +const char *StationListInfoCountry = "country"; +const char *StationListInfoCity = "city"; +const char *StationListInfoMedia = "media"; +const char *StationListInfoComments = "comments"; +const char *StationListInfoChanged = "changed"; +const char *StationListInfoCreator = "creator"; + +const char *StationListFormat = "format"; + + +StationListXmlHandler::StationListXmlHandler (const IErrorLogClient &logger) + : m_logger(logger), + m_compatMode (false) +{ + m_newStation = NULL; +} + + +StationListXmlHandler::~StationListXmlHandler () +{ +} + + +bool StationListXmlHandler::startDocument () +{ + m_status.clear(); + + m_stations.clear(); + clearNewStation(); + + return true; +} + + + +#define START_ELEMENT_ERROR m_logger.logError("StationListXmlHandler::startElement: " + \ + i18n("misplaced element %1") \ + .arg(qname));\ + return false; + +bool StationListXmlHandler::startElement (const TQString &/*ns*/, const TQString &/*localname*/, + const TQString& _qname, const TQXmlAttributes &) +{ + TQString qname = _qname; + if (qname == TDERadioConfigElement) { + if (m_status.size()) { START_ELEMENT_ERROR } + + // station list + } else if (qname == StationListElement) { + if (!m_status.size() || m_status.back() != TDERadioConfigElement) { START_ELEMENT_ERROR } + m_stations.clear(); + clearNewStation(); + + } else if (qname == StationListFormat) { + if (!m_status.size() || m_status.back() != StationListElement) { START_ELEMENT_ERROR } + + } else if (qname == StationListInfo) { + if (!m_status.size() || m_status.back() != StationListElement) { START_ELEMENT_ERROR } + + } else if (qname == StationListInfoMaintainer || + qname == StationListInfoCountry || + qname == StationListInfoCity || + qname == StationListInfoMedia || + qname == StationListInfoComments || + qname == StationListInfoChanged || + qname == StationListInfoCreator + ) + { + if (!m_status.size() || m_status.back() != StationListInfo) { START_ELEMENT_ERROR } + + } else if (!m_newStation && m_status.size() && m_status.back() == StationListElement) { + + if (qname == compatStationElement) { + qname = "FrequencyRadioStation"; + m_compatMode = true; + } + + const RadioStation *x = RadioStation::getStationClass(qname); + m_newStation = x ? x->copy() : NULL; + + if (!m_newStation) { START_ELEMENT_ERROR } + + } else if (m_newStation && m_status.size() && m_status.back() == m_newStation->getClassName()) { + + // check done later when characters arrive + + } else { // unknown + m_logger.logWarning("StationListXmlHandler::startElement: " + + i18n("unknown or unexpected element %1").arg(qname)); + } + + m_status.push_back(qname); + return true; +} + + +bool StationListXmlHandler::endElement (const TQString &/*ns*/, const TQString &/*localname*/, + const TQString &_qname) +{ + TQString qname = _qname; + if (qname == compatStationElement) { + qname = "FrequencyRadioStation"; + m_compatMode = true; + } + + if (m_status.size() && m_status.back() == qname) { + + if (m_newStation && qname == m_newStation->getClassName()) { + m_stations.append(m_newStation); + clearNewStation(); + } + + m_status.pop_back(); + + } else { + if (m_status.size()) { + m_logger.logError("StationListXmlHandler::endElement: " + + i18n("expected element %1, but found %2") + .arg(m_status.back()).arg(qname)); + } else { + m_logger.logError("StationListXmlHandler::endElement: " + + i18n("unexpected element %1").arg(qname)); + } + } + return true; +} + + +#define CHARACTERS_ERROR m_logger.logError("StationListXmlHandler::characters: " + \ + i18n("invalid data for element %1") \ + .arg(stat)); \ + return false; + +bool StationListXmlHandler::characters (const TQString &ch) +{ + TQString stat = m_status.back(); + TQString str = ch.stripWhiteSpace(); + + // Station parsing + + // information on list + if (stat == StationListFormat) { + + if (str != STATION_LIST_FORMAT) { + m_logger.logError(i18n("found a station list with unknown format %1").arg(str)); + return false; + } + + } else if (stat == StationListInfo) { + + } else if (stat == StationListInfoMaintainer) { + + m_metaData.maintainer = str; + + } else if (stat == StationListInfoCountry) { + + m_metaData.country = str; + + } else if (stat == StationListInfoCity) { + + m_metaData.city = str; + + } else if (stat == StationListInfoMedia) { + + m_metaData.media = str; + + } else if (stat == StationListInfoComments) { + + m_metaData.comment = str; + + } else if (stat == StationListInfoChanged) { + + m_metaData.lastChange = TQDateTime::fromString(str, Qt::ISODate); + + } else if (stat == StationListInfoCreator) { + + // do nothing + + // stations + + } else if (m_newStation && m_newStation->getClassName() != stat) { + + if (!m_newStation->setProperty(stat, str)) { + m_logger.logWarning("StationListXmlHandler::characters: " + + i18n("unknown property %1 for class %2") + .arg(stat) + .arg(m_newStation->getClassName())); + } + + } else if (str.length()) { + m_logger.logError("StationListXmlHandler::characters: " + + i18n("characters ignored for element %1").arg(stat)); + } + return true; +} + + +void StationListXmlHandler::clearNewStation() +{ + if (m_newStation) + delete m_newStation; + m_newStation = NULL; +} |