69 lines
2.0 KiB
Plaintext
69 lines
2.0 KiB
Plaintext
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2014 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 OSG_IDENTIFER_H
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#define OSG_IDENTIFER_H
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#include <osg/Referenced>
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#include <osg/Observer>
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#include <string>
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#include <cctype>
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#define OSG_HAS_IDENTIFIER
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namespace osg
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{
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/** helper function for doing a case insenstive compare of two strings.*/
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inline bool iequals(const std::string& lhs, const std::string& rhs)
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{
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if (lhs.size()!=rhs.size()) return false;
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for(std::string::size_type i=0; i<lhs.size(); ++i)
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{
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if (std::tolower(lhs[i])!=std::tolower(rhs[i])) return false;
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}
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return true;
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}
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/** Unique Indentifier class to help with efficiently comparing
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* road classification or region via pointers.*/
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class Identifier : public osg::Referenced, public osg::Observer
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{
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public:
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static Identifier* get(const std::string& name, int number=0, osg::Referenced* first=0, osg::Referenced* second=0);
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static Identifier* get(int number, osg::Referenced* first=0, osg::Referenced* second=0);
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static Identifier* get(osg::Referenced* first, osg::Referenced* second=0);
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const std::string& name() const { return _name; }
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const int& number() const { return _number; }
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protected:
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Identifier(const std::string& name, int number, osg::Referenced* f, osg::Referenced* s);
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virtual ~Identifier();
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virtual void objectDeleted(void* ptr);
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std::string _name;
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int _number;
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osg::Referenced* _first;
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osg::Referenced* _second;
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};
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}
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#endif
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