GeoTagHandler.cpp

/*
    SPDX-FileCopyrightText: 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
 
    SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
// Own
#include "GeoTagHandler.h"
 
// Marble
#include "MarbleDebug.h"
 
namespace Marble
{
 
// Set to a value greater than 0, to dump tag handlers as they get registered
#define DUMP_TAG_HANDLER_REGISTRATION 0
 
GeoTagHandler::TagHash *GeoTagHandler::s_tagHandlerHash = nullptr;
 
GeoTagHandler::GeoTagHandler() = default;
 
GeoTagHandler::~GeoTagHandler() = default;
 
GeoTagHandler::TagHash *GeoTagHandler::tagHandlerHash()
{
    if (!s_tagHandlerHash)
        s_tagHandlerHash = new TagHash();
 
    Q_ASSERT(s_tagHandlerHash);
    return s_tagHandlerHash;
}
 
void GeoTagHandler::registerHandler(const GeoParser::QualifiedName &qName, const GeoTagHandler *handler)
{
    TagHash *hash = tagHandlerHash();
 
    Q_ASSERT(!hash->contains(qName));
    hash->insert(qName, handler);
    Q_ASSERT(hash->contains(qName));
 
#if DUMP_TAG_HANDLER_REGISTRATION > 0
    mDebug() << "[GeoTagHandler] -> Recognizing" << qName.first << "tag with namespace" << qName.second;
#endif
}
 
void GeoTagHandler::unregisterHandler(const GeoParser::QualifiedName &qName)
{
    TagHash *hash = tagHandlerHash();
 
    Q_ASSERT(hash->contains(qName));
    delete hash->value(qName);
    hash->remove(qName);
    Q_ASSERT(!hash->contains(qName));
}
 
const GeoTagHandler *GeoTagHandler::recognizes(const GeoParser::QualifiedName &qName)
{
    TagHash *hash = tagHandlerHash();
 
    if (!hash->contains(qName))
        return nullptr;
 
    return (*hash)[qName];
}
 
}