MRIOFilters.h

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#pragma once
 
#include <algorithm>
#include <string>
#include <vector>
 
namespace MR
{
 
 
struct IOFilter
{
    IOFilter() = default;
    IOFilter( const std::string& _name, const std::string& _ext ) :
        name{_name}, extensions{_ext}{}
    std::string name;
    std::string extensions; // "*.ext" or "*.ext1;*.ext2;*.ext3"
};
 
using IOFilters = std::vector<IOFilter>;
 
inline IOFilters operator | ( const IOFilters& a, const IOFilters& b )
{
    IOFilters copy = a;
    for ( const auto& bElem : b )
    {
        if ( std::find_if( a.begin(), a.end(), [&] ( const IOFilter& aF )
        {
            return aF.extensions == bElem.extensions;
        } ) == a.end() )
            copy.push_back( bElem );
    }
    return copy;
}
 
 
}