/*===========================================================================*\ * * * OpenFlipper * * Copyright (C) 2001-2010 by Computer Graphics Group, RWTH Aachen * * www.openflipper.org * * * *--------------------------------------------------------------------------- * * This file is part of OpenFlipper. * * * * OpenFlipper is free software: you can redistribute it and/or modify * * it under the terms of the GNU Lesser General Public License as * * published by the Free Software Foundation, either version 3 of * * the License, or (at your option) any later version with the * * following exceptions: * * * * If other files instantiate templates or use macros * * or inline functions from this file, or you compile this file and * * link it with other files to produce an executable, this file does * * not by itself cause the resulting executable to be covered by the * * GNU Lesser General Public License. This exception does not however * * invalidate any other reasons why the executable file might be * * covered by the GNU Lesser General Public License. * * * * OpenFlipper 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 Lesser General Public License for more details. * * * * You should have received a copy of the GNU LesserGeneral Public * * License along with OpenFlipper. If not, * * see . * * * \*===========================================================================*/ /*===========================================================================*\ * * * $Revision$ * * $LastChangedBy$ * * $Date$ * * * \*===========================================================================*/ #ifndef VSI_CONTEXT_HH #define VSI_CONTEXT_HH //== INCLUDES ================================================================= #include #include #include #include "element.hh" //== FORWARDDECLARATIONS ====================================================== class QScriptEngine; //== NAMESPACES =============================================================== namespace VSI { //== FORWARDDECLARATIONS ====================================================== class Input; class Output; class InOut; class Type; //== CLASS DEFINITION ========================================================= /** Class holding all the informations / parsed xml metadata for the visual scripting interface */ class Context { public: /// Constructor Context (QScriptEngine *_engine); /// Destructor ~Context (); /// Parse xml content void parse (QByteArray _xml); /// Returns all available elements const QVector& elements () { return elements_; }; /// Returns all available elements for a given category QVector elements (QString _category); /// Returns the element with a given name Element *element (QString _name); /// List of categories QStringList categories (); /// Registers a supported datatype void registerType (Type *_type); /// Is the given type supported bool typeSupported (QString _type); /// Get type object for given type name Type *getType (QString _type); /// Can the given types be converted to each other bool canConvert (QString _type1, QString _type2); /// Return script engine pointer QScriptEngine *scriptEngine () { return scriptEngine_; }; /// Converts the given string to bool static bool strToBool (QString _str); /// Gets the string of a xml query static QString getXmlString (QXmlQuery &_xml, QString _expr, QString _default = ""); private: // parse element from xml void parseElement (QXmlQuery &_xml); // parse element input from xml Input *parseInput (QXmlQuery &_xml, Element *_e); // parse element output from xml Output *parseOutput (QXmlQuery &_xml, Element *_e); // parse element function from xml Function *parseFunction (QXmlQuery &_xml, Element *_e); // parse common input and output parts from xml bool parseInOutBase (QXmlQuery &_xml, InOut *_io); private: QVector elements_; QMap supportedTypes_; QList types_; QScriptEngine *scriptEngine_; }; //============================================================================= } //============================================================================= #endif