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// Copyright (C) 2013 James Turner//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#ifndef __NASALSYS_PRIVATE_HXX
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#define __NASALSYS_PRIVATE_HXX
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#include <simgear/props/props.hxx>
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#include <simgear/nasal/nasal.h>
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#include <simgear/xml/easyxml.hxx>
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class FGNasalListener : public SGPropertyChangeListener {
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FGNasalListener(SGPropertyNode* node, naRef code, FGNasalSys* nasal,
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int key, int id, int init, int type);
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virtual ~FGNasalListener();
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virtual void valueChanged(SGPropertyNode* node);
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virtual void childAdded(SGPropertyNode* parent, SGPropertyNode* child);
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virtual void childRemoved(SGPropertyNode* parent, SGPropertyNode* child);
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bool changed(SGPropertyNode* node);
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void call(SGPropertyNode* which, naRef mode);
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friend class FGNasalSys;
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SGPropertyNode_ptr _node;
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std::string _last_string;
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class NasalXMLVisitor : public XMLVisitor {
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NasalXMLVisitor(naContext c, int argc, naRef* args);
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virtual ~NasalXMLVisitor() { naFreeContext(_c); }
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virtual void startElement(const char* tag, const XMLAttributes& a);
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virtual void endElement(const char* tag);
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virtual void data(const char* str, int len);
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virtual void pi(const char* target, const char* data);
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void call(naRef func, int num, naRef a = naNil(), naRef b = naNil());
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naRef make_string(const char* s, int n = -1);
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naRef _start_element, _end_element, _data, _pi;
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#endif // of __NASALSYS_PRIVATE_HXX