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			95 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			95 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
#include "fallback.hpp"
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#include <components/debug/debuglog.hpp>
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#include <boost/lexical_cast.hpp>
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namespace Fallback
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{
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    Map::Map(const std::map<std::string,std::string>& fallback):mFallbackMap(fallback)
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    {}
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    std::string Map::getFallbackString(const std::string& fall) const
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    {
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        std::map<std::string,std::string>::const_iterator it;
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        if ((it = mFallbackMap.find(fall)) == mFallbackMap.end())
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        {
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            return std::string();
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        }
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        return it->second;
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    }
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    float Map::getFallbackFloat(const std::string& fall) const
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    {
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        std::string fallback = getFallbackString(fall);
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        if (!fallback.empty())
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        {
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            try
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            {
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                // We have to rely on Boost because std::stof from C++11
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                // uses the current locale for separators which we don't want and often silently ignores parsing errors.
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                return boost::lexical_cast<float>(fallback);
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            }
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            catch (boost::bad_lexical_cast&)
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            {
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                Log(Debug::Error) << "Error: '" << fall << "' setting value (" << fallback << ") is not a valid number, using 0 as a fallback";
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            }
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        }
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        return 0;
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    }
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    int Map::getFallbackInt(const std::string& fall) const
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    {
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        std::string fallback = getFallbackString(fall);
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        if (!fallback.empty())
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        {
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            try
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            {
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                return std::stoi(fallback);
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            }
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            catch (const std::invalid_argument&)
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            {
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                Log(Debug::Error) << "Error: '" << fall << "' setting value (" << fallback << ") is not a valid number, using 0 as a fallback";
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            }
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            catch (const std::out_of_range&)
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            {
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                Log(Debug::Error) << "Error: '" << fall << "' setting value (" << fallback << ") is out of range, using 0 as a fallback";
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            }
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        }
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        return 0;
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    }
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    bool Map::getFallbackBool(const std::string& fall) const
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    {
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        std::string fallback = getFallbackString(fall);
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        return !fallback.empty() && fallback != "0";
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    }
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    osg::Vec4f Map::getFallbackColour(const std::string& fall) const
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    {
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        std::string sum = getFallbackString(fall);
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        if (!sum.empty())
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        {
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            try
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            {
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                std::string ret[3];
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                unsigned int j = 0;
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                for (unsigned int i = 0; i < sum.length(); ++i)
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                {
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                    if(sum[i]==',') j++;
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                    else if (sum[i] != ' ') ret[j]+=sum[i];
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                }
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                return osg::Vec4f(std::stoi(ret[0])/255.f,std::stoi(ret[1])/255.f,std::stoi(ret[2])/255.f, 1.f);    
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            }
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            catch (const std::invalid_argument&)
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            {
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                Log(Debug::Error) << "Error: '" << fall << "' setting value (" << sum << ") is not a valid color, using middle gray as a fallback";
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            }
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        }
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        return osg::Vec4f(0.5f,0.5f,0.5f,1.f);
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    }
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}
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