94 lines
2.8 KiB
Plaintext
94 lines
2.8 KiB
Plaintext
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 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_APPLICATIONUSAGE
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#define OSG_APPLICATIONUSAGE 1
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#include <osg/Export>
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#include <map>
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#include <string>
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#include <iostream>
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namespace osg {
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class SG_EXPORT ApplicationUsage
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{
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public:
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static ApplicationUsage* instance();
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ApplicationUsage() {}
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ApplicationUsage(const std::string& commandLineUsage);
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typedef std::map<std::string,std::string> UsageMap;
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enum Type
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{
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COMMAND_LINE_OPTION,
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ENVIRONMENTAL_VARIABLE,
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KEYBOARD_MOUSE_BINDING
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};
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void addUsageExplanation(Type type,const std::string& option,const std::string& explanation);
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void setCommandLineUsage(const std::string& explanation) { _commandLineUsage=explanation; }
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const std::string& getCommandLineUsage() const { return _commandLineUsage; }
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void addCommandLineOption(const std::string& option,const std::string& explanation);
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const UsageMap& getCommandLineOptions() const { return _commandLineOptions; }
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void addEnvironmentalVariable(const std::string& option,const std::string& explanation);
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const UsageMap& getEnvironmentalVariables() const { return _environmentalVariables; }
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void addKeyboardMouseBinding(const std::string& option,const std::string& explanation);
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const UsageMap& getKeyboardMouseBindings() const { return _keyboardMouse; }
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void write(std::ostream& output,const UsageMap& um,unsigned int widthOfOutput=80);
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void write(std::ostream& output,unsigned int widthOfOutput=80);
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protected:
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std::string _commandLineUsage;
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UsageMap _commandLineOptions;
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UsageMap _environmentalVariables;
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UsageMap _keyboardMouse;
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};
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class ApplicationUsageProxy
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{
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public:
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/** register an explanation of commandline/evironmentalvaraible/keyboard mouse usage.*/
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ApplicationUsageProxy(ApplicationUsage::Type type,const std::string& option,const std::string& explanation)
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{
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ApplicationUsage::instance()->addUsageExplanation(type,option,explanation);
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}
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};
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}
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#endif
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