Go back to Richel Bilderbeek's homepage.

Go back to Richel Bilderbeek's C++ page.

(C++) StringGridToVector

VCL code snippet to convert a VCL TStringGrid to a 2D std::vector.

* View the code of 'StringGridToVector' in plain text.

#include <vector>

#include <string>

#include <cassert>

#include <boost/lexical_cast.hpp>

#include <vcl.h>

//From http://www.richelbilderbeek.nl/CppStringGridToVector.htm

template <class T>

const std::vector<std::vector<T> > StringGridToVector(const TStringGrid * const stringGrid)

{

assert(stringGrid!=0 && "StringGrid must not be NULL");

const int height = stringGrid->RowCount;

const int width = stringGrid->ColCount;

std::vector<std::vector<T> > v(height, std::vector<T>(width));

for (int y=0; y!=height; ++y)

{

assert(y >=0);

assert(y < static_cast<int>(v.size()) );

std::vector<T>& line = v[y];

//Don't have the guts to do a line-access on a TStringGrid...

for (int x=0; x!=width; ++x)

{

assert(x >=0);

assert (x < static_cast<int>(line.size()) );

//const_cast because the VCL is not const-correct. Grumble, grumble...

const std::string s = (const_cast<TStringGrid*>(stringGrid)->Cells[x][y]).c_str();

const T t = boost::lexical_cast<T>(s);

vLine[x] = t;

}

}

return v;

}

Go back to Richel Bilderbeek's C++ page.

Go back to Richel Bilderbeek's homepage.