fit_text.cpp

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// fit_text.cpp

#include "fit_text.h"
#include "safe_assign.h"

fit_text::fit_text(const char* str, const char* ellipsis)
{
  safe_assign(m_text, str);
  safe_assign(m_ellipsis, ellipsis);
}

std::ostream& operator<< (std::ostream &os, const fit_text& ft)
{
  int width = os.width();
  if ((int)ft.m_text.size() > width)
  {
    int ellipsissize = (int)ft.m_ellipsis.size();
    std::string s;
    int p = (width-ellipsissize)/2;
    if (p >= 1)
    {
      s.append(ft.m_text, 0, p);
      s.append(ft.m_ellipsis);
      if (width-ellipsissize-2*p > 0)
        p++;
      s.append(ft.m_text, ft.m_text.size()-p, p);
    }
    else
    {
      s.append(ft.m_text, 0, width);
    }
    os << s;
  }
  else
  {
    os << ft.m_text;
  }
  return os;
}

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