378 lines
10 KiB
Plaintext
378 lines
10 KiB
Plaintext
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/* -*-c++-*- VirtualPlanetBuilder - Copyright (C) 1998-2007 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library 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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* OpenSceneGraph Public License for more details.
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*/
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#ifndef SERIALIZER_H
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#define SERIALIZER_H 1
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#include <osgDB/Input>
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#include <osgDB/Output>
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#include <osgDB/ParameterOutput>
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namespace osgDB
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{
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class IntLookup
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{
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public:
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typedef int Value;
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IntLookup(Value defaultValue):
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_default(defaultValue) {}
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typedef std::map<std::string, Value> StringToValue;
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typedef std::map<Value, std::string> ValueToString;
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StringToValue _stringToValue;
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ValueToString _valueToString;
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void add(Value value, const char* str)
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{
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_stringToValue[str] = value;
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_valueToString[value] = str;
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}
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Value getValue(const char* str)
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{
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StringToValue::iterator itr = _stringToValue.find(str);
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if (itr==_stringToValue.end()) return _default;
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return itr->second;
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}
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const std::string& getString(Value value)
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{
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ValueToString::iterator itr = _valueToString.find(value);
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if (itr==_valueToString.end()) return _valueToString[_default];
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return itr->second;
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}
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Value _default;
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};
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class Serializer : public osg::Referenced
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{
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public:
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Serializer() {}
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virtual bool write(osgDB::Output&, const osg::Object&) = 0;
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virtual bool read(osgDB::Input&, osg::Object&, bool&) = 0;
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};
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template<typename C, typename P>
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class EnumSerializer : public Serializer
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{
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public:
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typedef P (C::*GetterFunctionType)() const;
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typedef void (C::*SetterFunctionType)(P);
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EnumSerializer(const char* fieldName, P defaultValue, GetterFunctionType getter, SetterFunctionType setter):
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_fieldName(fieldName),
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_default(defaultValue),
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_getter(getter),
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_setter(setter),
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_lookup(defaultValue) {}
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void add(P value, const char* str)
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{
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_lookup.add(static_cast<IntLookup::Value>(value), str);
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}
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P getValue(const char* str)
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{
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return static_cast<P>(_lookup.getValue(str));
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}
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const std::string& getString(P value)
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{
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return _lookup.getString(static_cast<IntLookup::Value>(value));
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}
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bool write(osgDB::Output& fw, const osg::Object& obj)
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{
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const C& object = static_cast<const C&>(obj);
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if (fw.getWriteOutDefaultValues() ||
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_default != (object.*_getter)())
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{
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fw.indent()<<_fieldName<<" "<<getString((object.*_getter)())<<std::endl;
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}
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return true;
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}
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bool read(osgDB::Input& fr, osg::Object& obj, bool& itrAdvanced)
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{
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C& object = static_cast<C&>(obj);
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if (fr[0].matchWord(_fieldName.c_str()) && fr[1].isWord())
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{
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(object.*_setter)(getValue(fr[1].getStr()));
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fr += 2;
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itrAdvanced = true;
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}
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return true;
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}
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std::string _fieldName;
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P _default;
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GetterFunctionType _getter;
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SetterFunctionType _setter;
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IntLookup _lookup;
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};
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template<typename C>
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class StringSerializer : public Serializer
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{
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public:
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typedef const std::string& P;
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typedef P (C::*GetterFunctionType)() const;
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typedef void (C::*SetterFunctionType)(P);
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StringSerializer(const char* fieldName, P defaultValue, GetterFunctionType getter, SetterFunctionType setter):
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_fieldName(fieldName),
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_default(defaultValue),
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_getter(getter),
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_setter(setter) {}
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bool write(osgDB::Output& fw, const osg::Object& obj)
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{
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const C& object = static_cast<const C&>(obj);
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if (fw.getWriteOutDefaultValues() ||
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_default != (object.*_getter)())
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{
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fw.indent()<<_fieldName<<" "<<fw.wrapString((object.*_getter)())<<std::endl;
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}
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return true;
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}
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bool read(osgDB::Input& fr, osg::Object& obj, bool& itrAdvanced)
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{
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C& object = static_cast<C&>(obj);
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if (fr[0].matchWord(_fieldName.c_str()) && (fr[1].isWord() || fr[1].isString()))
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{
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(object.*_setter)(fr[1].getStr());
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fr += 2;
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itrAdvanced = true;
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}
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return true;
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}
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std::string _fieldName;
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std::string _default;
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GetterFunctionType _getter;
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SetterFunctionType _setter;
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};
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template<typename C, typename P>
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class TemplateSerializer : public Serializer
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{
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public:
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typedef P (C::*GetterFunctionType)() const;
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typedef void (C::*SetterFunctionType)(P);
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TemplateSerializer(const char* fieldName, P defaultValue, GetterFunctionType getter, SetterFunctionType setter):
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_fieldName(fieldName),
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_default(defaultValue),
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_getter(getter),
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_setter(setter) {}
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bool write(osgDB::Output& fw, const osg::Object& obj)
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{
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const C& object = static_cast<const C&>(obj);
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if (fw.getWriteOutDefaultValues() ||
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_default != (object.*_getter)())
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{
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fw.indent()<<_fieldName<<" "<<(object.*_getter)()<<std::endl;
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}
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return true;
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}
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bool read(osgDB::Input& fr, osg::Object& obj, bool& itrAdvanced)
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{
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C& object = static_cast<C&>(obj);
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P value;
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if (fr.read(_fieldName.c_str(), value))
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{
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(object.*_setter)(value);
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itrAdvanced = true;
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}
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return true;
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}
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std::string _fieldName;
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P _default;
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GetterFunctionType _getter;
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SetterFunctionType _setter;
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};
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template<typename C>
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class Vec4Serializer : public Serializer
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{
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public:
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typedef osg::Vec4 V;
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typedef const V& P;
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typedef P (C::*GetterFunctionType)() const;
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typedef void (C::*SetterFunctionType)(P);
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Vec4Serializer(const char* fieldName, P defaultValue, GetterFunctionType getter, SetterFunctionType setter):
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_fieldName(fieldName),
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_default(defaultValue),
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_getter(getter),
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_setter(setter) {}
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bool write(osgDB::Output& fw, const osg::Object& obj)
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{
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const C& object = static_cast<const C&>(obj);
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if (fw.getWriteOutDefaultValues() ||
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_default != (object.*_getter)())
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{
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fw.indent()<<_fieldName<<" "<<(object.*_getter)()<<std::endl;
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}
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return true;
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}
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bool read(osgDB::Input& fr, osg::Object& obj, bool& itrAdvanced)
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{
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C& object = static_cast<C&>(obj);
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V value;
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if (fr.read(_fieldName.c_str(), value[0], value[1], value[2], value[3]))
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{
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(object.*_setter)(value);
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fr += 2;
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itrAdvanced = true;
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}
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return true;
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}
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std::string _fieldName;
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V _default;
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GetterFunctionType _getter;
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SetterFunctionType _setter;
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};
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template<typename C>
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class BoolSerializer : public Serializer
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{
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public:
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typedef bool P;
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typedef P (C::*GetterFunctionType)() const;
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typedef void (C::*SetterFunctionType)(P);
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BoolSerializer(const char* fieldName, P defaultValue, GetterFunctionType getter, SetterFunctionType setter):
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_fieldName(fieldName),
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_default(defaultValue),
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_getter(getter),
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_setter(setter) {}
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bool write(osgDB::Output& fw, const osg::Object& obj)
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{
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const C& object = static_cast<const C&>(obj);
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if (fw.getWriteOutDefaultValues() ||
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_default != (object.*_getter)())
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{
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fw.indent()<<_fieldName<<" "<<((object.*_getter)() ? "TRUE" : "FALSE")<<std::endl;
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}
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return true;
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}
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bool read(osgDB::Input& fr, osg::Object& obj, bool& itrAdvanced)
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{
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C& object = static_cast<C&>(obj);
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if (fr[0].matchWord(_fieldName.c_str()) && fr[1].isWord())
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{
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(object.*_setter)(fr[1].matchWord("TRUE") || fr[1].matchWord("True") || fr[1].matchWord("true"));
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fr += 2;
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itrAdvanced = true;
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}
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return true;
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}
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std::string _fieldName;
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P _default;
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GetterFunctionType _getter;
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SetterFunctionType _setter;
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};
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#define CREATE_STRING_SERIALIZER(CLASS,PROPERTY,PROTOTYPE) \
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new osgDB::StringSerializer<CLASS>( \
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#PROPERTY, \
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PROTOTYPE.get##PROPERTY(), \
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&CLASS::get##PROPERTY, \
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&CLASS::set##PROPERTY)
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#define CREATE_UINT_SERIALIZER(CLASS,PROPERTY,PROTOTYPE) \
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new osgDB::TemplateSerializer<CLASS,unsigned int>( \
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#PROPERTY, \
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PROTOTYPE.get##PROPERTY(), \
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&CLASS::get##PROPERTY, \
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&CLASS::set##PROPERTY)
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#define CREATE_INT_SERIALIZER(CLASS,PROPERTY,PROTOTYPE) \
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new osgDB::TemplateSerializer<CLASS, int>( \
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#PROPERTY, \
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PROTOTYPE.get##PROPERTY(), \
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&CLASS::get##PROPERTY, \
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&CLASS::set##PROPERTY)
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#define CREATE_FLOAT_SERIALIZER(CLASS,PROPERTY,PROTOTYPE) \
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new osgDB::TemplateSerializer<CLASS,float>( \
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#PROPERTY, \
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PROTOTYPE.get##PROPERTY(), \
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&CLASS::get##PROPERTY, \
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&CLASS::set##PROPERTY)
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#define CREATE_DOUBLE_SERIALIZER(CLASS,PROPERTY,PROTOTYPE) \
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new osgDB::TemplateSerializer<CLASS, double>( \
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#PROPERTY, \
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PROTOTYPE.get##PROPERTY(), \
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&CLASS::get##PROPERTY, \
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&CLASS::set##PROPERTY)
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#define CREATE_VEC4_SERIALIZER(CLASS,PROPERTY,PROTOTYPE) \
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new osgDB::Vec4Serializer<CLASS>( \
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#PROPERTY, \
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PROTOTYPE.get##PROPERTY(), \
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&CLASS::get##PROPERTY, \
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&CLASS::set##PROPERTY)
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#define CREATE_BOOL_SERIALIZER(CLASS,PROPERTY,PROTOTYPE) \
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new osgDB::BoolSerializer<CLASS>( \
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#PROPERTY, \
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PROTOTYPE.get##PROPERTY(), \
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&CLASS::get##PROPERTY, \
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&CLASS::set##PROPERTY)
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}
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#endif
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