LanguageControl.cpp

/* Copyright (c) 2011 Telemidia/PUC-Rio.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Telemidia/PUC-Rio - initial API and implementation
 */
#include "modules/LanguageControl.h"

namespace composer {
    namespace core {

INIT_SINGLETON (LanguageControl)

LanguageControl::LanguageControl()
{
    qDebug() << "LanguageControl::LanguageControl()";
}

LanguageControl::~LanguageControl()
{
    QMap<LanguageType, ILanguageProfile*>::iterator it;

    for(it = profiles.begin(); it != profiles.end(); it++)
    {
        ILanguageProfile *pf = it.value();
        assert(pf != NULL);
        delete pf;
        pf = NULL;
    }
    profiles.clear();
}

bool LanguageControl::removeProfile(LanguageType type)
{
    if (!profiles.contains(type))
        return false;

    ILanguageProfile *lp = profiles[type];
    assert(lp != NULL);
    if (lp == NULL)
        return false;
    delete lp;
    lp = NULL;
    profiles.remove(type);

    return true;
}

ILanguageProfile* LanguageControl::loadProfile(QString fileName)
{
    ILanguageProfile *lProfile = NULL;
    QPluginLoader loader(fileName);
    //qDebug() << "trying to load: " << fileName;
    QObject *profile = loader.instance();
    if (profile) {
        lProfile = qobject_cast<ILanguageProfile*> (profile);
        if (lProfile) {
          LanguageType type = lProfile->getLanguageType();
            if (profiles.contains(type))
            {
                qDebug() << "LanguageControl::loadProfiles" <<
                "Profile for language (" <<
                Utilities::getExtensionForLanguageType(type) <<
                        ") already exists";
            } else
            {
              profiles[type] = lProfile;
            }
        }
    } else qDebug() << "Failed to load languageControl (" << fileName << ")"
                    << loader.errorString();
    return lProfile;
}

void LanguageControl::loadProfiles(QString profilesDirPath)
{
    QDir profileDir = QDir(profilesDirPath);

    if(!profileDir.exists()) {
        emit notifyError(tr("The Language Profile extension "
             "directory (%1) does not exist!").arg(profilesDirPath));
        return;
    }
    QStringList filter;
    filter.append("*.so");
    filter.append("*.dylib");
    filter.append("*.dll");
    profileDir.setNameFilters(filter);

    foreach (QString fileName, profileDir.entryList(QDir::Files
         | QDir::NoSymLinks)) {
        loadProfile(profileDir.absoluteFilePath(fileName));
    }
}

ILanguageProfile* LanguageControl::getProfileFromType(LanguageType type)
{
    if (profiles.contains(type))
        return profiles[type];
    else
        return NULL;
}

QList<ILanguageProfile*> LanguageControl::getLoadedProfiles()
{
    QMap<LanguageType, ILanguageProfile*>::iterator it;
    QList<ILanguageProfile*> list;

    for (it = profiles.begin(); it != profiles.end(); it++)
    {
        list.append(it.value());
    }
    return list;
}

} } //end namespace