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/***************************************************************************
 * scriptcontainer.h
 * This file is part of the KDE project
 * copyright (C)2004-2005 by Sebastian Sauer (mail@dipe.org)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 * You should have received a copy of the GNU Library General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 ***************************************************************************/

#ifndef KROSS_API_SCRIPTCONTAINER_H
#define KROSS_API_SCRIPTCONTAINER_H

#include "mainmodule.h"

#include <tqstring.h>
#include <tqvariant.h>
#include <tqobject.h>
#include <ksharedptr.h>

namespace Kross { namespace Api {

    // Forward declarations.
    class Object;
    class List;
    class ScriptContainerPrivate;

    /**
     * The ScriptContainer class is something like a single
     * standalone scriptfile.
     *
     * Once you've such a ScriptContainer instance you're
     * able to perform actions with it like to execute
     * scripting code. The \a Manager takes care of
     * handling the ScriptContainer instances application
     * width.
     *
     * The class \a ScriptAction provides a higher level class
     * to work with a \a ScriptContainer instances.
     */
    class ScriptContainer : public MainModule
    {
            // We protected the constructor cause ScriptContainer
            // instances should be created only within the
            // Manager::getScriptContainer() method.
            friend class Manager;

        protected:

            /**
             * Constructor.
             *
             * The constructor is protected cause only with the
             * \a ScriptManager it's possible to access
             * \a ScriptContainer instances.
             *
             * \param name The unique name this ScriptContainer
             *       has. It's used e.g. at the \a Manager to
             *       identify the ScriptContainer.
             */
            explicit ScriptContainer(const TQString& name = TQString());

        public:

            /// Shared pointer to implement reference-counting.
            typedef KSharedPtr<ScriptContainer> Ptr;

            /**
             * Destructor.
             */
            virtual ~ScriptContainer();

            /**
             * \return the unique name this ScriptContainer is
             * reachable as.
             */
            const TQString getName() const;

            /**
             * Set the name this ScriptContainer is reachable as.
             */
            void setName(const TQString& name);

            /**
             * Return the scriptcode this ScriptContainer holds.
             */
            TQString getCode() const;

            /**
             * Set the scriptcode this ScriptContainer holds.
             */
            void setCode(const TQString& code);

            /**
             * \return the name of the interpreter used
             * on \a execute.
             */
            TQString getInterpreterName() const;

            /**
             * Set the name of the interpreter used
             * on \a execute.
             */
            void setInterpreterName(const TQString& interpretername);

            /**
             * \return the filename which will be executed
             * on \a execute.
             */
            TQString getFile() const;

            /**
             * Set the filename which will be executed
             * on \a execute. The \p scriptfile needs to
             * be a valid local file or TQString() if
             * you don't like to use a file rather then
             * the with \a setCode() defined scripting code.
             */
            void setFile(const TQString& scriptfile);

            /**
             * \return a map of options this \a ScriptContainer defines.
             * The options are returned call-by-ref, so you are able to
             * manipulate them.
             */
            TQMap<TQString, TQVariant>& getOptions();

            /**
             * \return the value of the option defined with \p name .
             * If there doesn't exists an option with such a name,
             * the \p defaultvalue is returned. If \p recursive is
             * true then first the \a ScriptContainer options are
             * seeked for the matching \p name and if not found
             * the \a Manager options are seeked for the \p name and
             * if not found either the \p defaultvalue is returned.
             */
            TQVariant getOption(const TQString name, TQVariant defaultvalue = TQVariant(), bool recursive = false);

            /**
             * Set the \a Interpreter::Option value.
             */
            bool setOption(const TQString name, const TQVariant& value);

            /**
             * Execute the script container.
             */
            Object::Ptr execute();

            /**
             * Return a list of functionnames the with
             * \a setCode defined scriptcode spends.
             */
            const TQStringList getFunctionNames();

            /**
             * Call a function in the script container.
             *
             * \param functionname The name of the function
             *       to call.
             * \param arguments Optional list of arguments
             *       passed to the function.
             * \return \a Object instance representing
             *        the functioncall returnvalue.
             */
            KSharedPtr<Object> callFunction(const TQString& functionname, KSharedPtr<List> arguments = 0);

            /**
             * Return a list of classes.
             */
            TQStringList getClassNames();

            /**
             * Create and return a new class instance.
             */
            KSharedPtr<Object> classInstance(const TQString& classname);

            /**
             * Initialize the \a Script instance.
             *
             * Normaly it's not needed to call this function direct cause
             * if will be internaly called if needed (e.g. on \a execute ).
             */
            bool initialize();

            /**
             * Finalize the \a Script instance and free's any cached or still
             * running executions. Normaly it's not needed to call this
             * function direct cause the \a ScriptContainer will take care
             * of calling it if needed.
             */
            void finalize();

        private:
            /// Internaly used private d-pointer.
            ScriptContainerPrivate* d;
    };

}}

#endif