ProSHADE_files.cpp

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//============================================ ProSHADE
#include "ProSHADE_files.h"

bool ProSHADE_internal_files::findFiles ( std::vector <std::string>* saveFiles,
                                          const char* path,
                                          const char* ext )
{
    //======================================== Locals
    DIR* dir;
    dirent* entry;
    
    //======================================== Open directory
    dir                                       = opendir ( path );
    if ( dir == NULL ) { std::cerr << "!!! ProSHADE ERROR !!! Cannot open directory " << path << std::endl; return false; }
    
    while ( ( entry = readdir ( dir ) ) )
    {
        //==================================== Ignore entries starting with '.'
        if ( entry->d_name[0] == '.' ) { ; }
        else
        {
            if ( entry->d_type == DT_DIR )
            {
                //============================ Is directory - recurse
                std::string newPath           = std::string ( path ) + std::string ( entry->d_name ) + systemDirectorySeparator;
                if ( !findFiles ( saveFiles, newPath.c_str(), ext ) )
                {
                    std::cerr << "Directory recursion error!" << std::endl;
                    return false;
                }
            }
            else
            {
                //============================ Is file - check and save
                std::string fileName          = std::string ( entry->d_name );
                std::string extension         = fileName.substr ( fileName.length() - std::string(ext).length(), fileName.length() - 1);
                if ( std::strcmp ( extension.c_str(), std::string ( ext ).c_str() ) == 0 )
                {
                    //======================== Has required extension?
                    saveFiles->push_back      ( std::string ( path ) + std::string ( entry->d_name ) );
                }
            }
        }
    }
    closedir                                  ( dir );
    
    //======================================== Done
    return true;
}