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/***************************************************************************
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 <tdelocale.h>
const char *TDERadioConfigElement = "tderadiorc";
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;
}
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