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#include "fb2xml.h"
#include <QtDebug>
//---------------------------------------------------------------------------
// Fb2XmlHandler::NodeHandler
//---------------------------------------------------------------------------
QString Fb2XmlHandler::NodeHandler::Value(const QXmlAttributes &attributes, const QString &name)
{
int count = attributes.count();
for (int i = 0; i < count; i++ ) {
if (attributes.localName(i).compare(name, Qt::CaseInsensitive) == 0) {
return attributes.value(i);
}
}
return QString();
}
bool Fb2XmlHandler::NodeHandler::doStart(const QString &name, const QXmlAttributes &attributes)
{
if (m_handler) return m_handler->doStart(name, attributes);
m_handler = NewTag(name, attributes);
if (m_handler) {
if (m_handler->m_closed) {
delete m_handler;
m_handler = NULL;
}
return true;
}
m_handler = new NodeHandler(name);
return true;
}
bool Fb2XmlHandler::NodeHandler::doText(const QString &text)
{
if (m_handler) m_handler->doText(text); else TxtTag(text);
return true;
}
bool Fb2XmlHandler::NodeHandler::doEnd(const QString &name, bool & exists)
{
if (m_handler) {
bool found = exists || name == m_name;
m_handler->doEnd(name, found);
if (m_handler->m_closed) { delete m_handler; m_handler = NULL; }
if (found) { exists = true; return true; }
}
bool found = name == m_name;
m_closed = found || exists;
if (m_closed) EndTag(m_name);
exists = found;
return true;
}
//---------------------------------------------------------------------------
// Fb2XmlHandler
//---------------------------------------------------------------------------
Fb2XmlHandler::Fb2XmlHandler()
: QXmlDefaultHandler()
, m_handler(0)
{
}
Fb2XmlHandler::~Fb2XmlHandler()
{
if (m_handler) delete m_handler;
}
bool Fb2XmlHandler::startElement(const QString & namespaceURI, const QString & localName, const QString &qName, const QXmlAttributes &attributes)
{
Q_UNUSED(namespaceURI);
Q_UNUSED(localName);
const QString name = qName.toLower();
if (m_handler) return m_handler->doStart(name, attributes);
return m_handler = CreateRoot(name, attributes);
}
bool Fb2XmlHandler::isWhiteSpace(const QString &str)
{
return str.simplified().isEmpty();
}
bool Fb2XmlHandler::characters(const QString &str)
{
QString s = str.simplified();
if (s.isEmpty()) return true;
if (isWhiteSpace(str.left(1))) s.prepend(" ");
if (isWhiteSpace(str.right(1))) s.append(" ");
return m_handler && m_handler->doText(s);
}
bool Fb2XmlHandler::endElement(const QString & namespaceURI, const QString & localName, const QString &qName)
{
Q_UNUSED(namespaceURI);
Q_UNUSED(localName);
bool found = false;
return m_handler && m_handler->doEnd(qName.toLower(), found);
}
bool Fb2XmlHandler::error(const QXmlParseException& exception)
{
qCritical() << QObject::tr("Parse error at line %1, column %2: %3")
.arg(exception.lineNumber())
.arg(exception.columnNumber())
.arg(exception.message().simplified());
return false;
}
bool Fb2XmlHandler::warning(const QXmlParseException& exception)
{
qWarning() << QObject::tr("Parse error at line %1, column %2: %3")
.arg(exception.lineNumber())
.arg(exception.columnNumber())
.arg(exception.message().simplified());
return false;
}
bool Fb2XmlHandler::fatalError(const QXmlParseException &exception)
{
qCritical() << QObject::tr("Parse error at line %1, column %2: %3")
.arg(exception.lineNumber())
.arg(exception.columnNumber())
.arg(exception.message().simplified());
return false;
}
QString Fb2XmlHandler::errorString() const
{
return m_error;
}
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