split string test

gistfile1.txt

#include "cinder/app/App.h"
#include "cinder/app/RendererGl.h"
#include "cinder/gl/gl.h"

#include "cinder/Timer.h"

#include "cinder/Utilities.h"

using namespace ci;
using namespace ci::app;
using namespace std;


std::vector<std::string> customSplit(std::string str, const std::string& separators, bool compress = true){
    
    std::vector<std::string> result;
    
    
    std::size_t searchPrevPos = 0, searchPos;
    
    while ((searchPos = str.find_first_of(separators, searchPrevPos)) != std::string::npos)
    {
        
        if ( searchPos >= searchPrevPos && ! compress ){
            result.push_back( str.substr( searchPrevPos, searchPos - searchPrevPos ));
        }
        else if( searchPos > searchPrevPos ){
            result.push_back( str.substr( searchPrevPos, searchPos - searchPrevPos ));
        }
        
        searchPrevPos = searchPos+1;
    }
    
    if (searchPrevPos <= str.length())
        result.push_back(str.substr(searchPrevPos, std::string::npos));
    
    return result;
}



class splitStringApp : public App {
  public:
	void setup() override;
	void mouseDown( MouseEvent event ) override;
	void update() override;
	void draw() override;
};

void splitStringApp::setup()
{
    std::string s = "Cinder,OpenFrameworks-- ThreeJs, Processing-";
    std::string delimiter = ",- ";
    
    
    int numOfTests = 1;
    bool compress = false;
    ci::Timer t;
    
    t.start();

    std::vector<std::string> output;
    for(int i = 0; i < numOfTests; i++){
       output = customSplit(s, delimiter, compress);
    }
    
    t.stop();
    console() << "Custom impl took: "  <<  t.getSeconds() << std::endl;
    
    int index = 0;
    for(auto& s : output){
        console() << index << ". '" << s  << "' "<<endl;
        index ++;
    }
    console() << "--------\n\n";

    t.start();
    
    std::vector<std::string> outputCi;
    for(int i = 0; i < numOfTests; i++){
        outputCi = ci::split(s, delimiter, compress);
    }
    
    t.stop();
    console() << "boost took: "  <<  t.getSeconds() << std::endl;
    
    
    index = 0;
    for(auto& s : outputCi){
        console() << index << ". '" << s  << "' "<<endl;
        index ++;
    }
}

void splitStringApp::mouseDown( MouseEvent event )
{
}

void splitStringApp::update()
{
}

void splitStringApp::draw()
{
	gl::clear( Color( 0, 0, 0 ) ); 
}

CINDER_APP( splitStringApp, RendererGl )