101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
/*
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This file is part of Mitsuba, a physically based rendering system.
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Copyright (c) 2007-2010 by Wenzel Jakob and others.
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Mitsuba is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License Version 3
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as published by the Free Software Foundation.
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Mitsuba is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU 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, see <http://www.gnu.org/licenses/>.
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*/
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#if !defined(__SHANDLER_H)
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#define __SHANDLER_H
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#include <xercesc/sax/HandlerBase.hpp>
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#include <xercesc/sax/AttributeList.hpp>
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#include <mitsuba/render/scene.h>
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#include <mitsuba/render/texture.h>
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#include <mitsuba/render/volume.h>
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#include <mitsuba/core/plugin.h>
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#include <stack>
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#include <map>
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XERCES_CPP_NAMESPACE_USE
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MTS_NAMESPACE_BEGIN
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/**
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* XML parser for mitsuba scene files. Uses Xerces-C and SAX
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*/
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class MTS_EXPORT_RENDER SceneHandler : public HandlerBase {
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public:
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typedef std::map<std::string, ConfigurableObject *> NamedObjectMap;
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typedef std::map<std::string, std::string> ParameterMap;
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SceneHandler(const ParameterMap ¶ms, NamedObjectMap *objects = NULL,
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bool isIncludedFile = false);
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virtual ~SceneHandler();
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// -----------------------------------------------------------------------
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// Implementation of the SAX DocumentHandler interface
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// -----------------------------------------------------------------------
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virtual void startDocument();
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virtual void endDocument();
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virtual void startElement(
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const XMLCh* const name,
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AttributeList& attributes
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);
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virtual void endElement(const XMLCh* const name);
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virtual void characters(const XMLCh* const chars, const unsigned int length);
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inline const Scene *getScene() const { return m_scene.get(); }
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inline Scene *getScene() { return m_scene; }
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// -----------------------------------------------------------------------
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// Implementation of the SAX ErrorHandler interface
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// -----------------------------------------------------------------------
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void warning(const SAXParseException& exc);
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void error(const SAXParseException& exc);
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void fatalError(const SAXParseException& exc);
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protected:
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inline std::string transcode(const XMLCh * const xmlName) const {
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char *value = XMLString::transcode(xmlName);
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std::string result(value);
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XMLString::release(&value);
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return result;
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}
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void clear();
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private:
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struct ParseContext {
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inline ParseContext(ParseContext *_parent)
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: parent(_parent) {
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}
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ParseContext *parent;
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Properties properties;
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std::map<std::string, std::string> attributes;
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std::vector<std::pair<std::string, ConfigurableObject *> > children;
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};
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ref<Scene> m_scene;
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ParameterMap m_params;
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NamedObjectMap *m_namedObjects;
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PluginManager *m_pluginManager;
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std::stack<ParseContext> m_context;
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Transform m_transform;
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bool m_isIncludedFile;
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};
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MTS_NAMESPACE_END
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#endif /* __SHANDLER_H */
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