HTML and CSS C++ class

// CSS class created by Yarin Licht, 2008.

#include "css.h"

BOOL CSS::newdoc()
{
   open = FALSE;
   dw = 1000;
   psz = new char[dw];
   if(!psz) return FALSE;
   psz[0] = 0;
   return TRUE;
}

void CSS::deldoc()
{
   delete [] psz;
   dw = 0;
   open = FALSE;
   return;
}

BOOL CSS::div(char *arga = 0)
{
   if(arga)
   {
      if(open)
         strcat(psz, "}\r\n");
      if(psz[0] != 0) strcat(psz, "\r\n");
      strcat(psz, arga);
      strcat(psz, " {\r\n");
      open = TRUE;
   }
   else
   {
      if(!open) return FALSE;
      strcat(psz, "}\r\n");
      open = FALSE;
   }
   if(!extmem(1000, dw - 100)) return FALSE;
   return TRUE;
}

BOOL CSS::tag(char *arga, char *argb)
{
   if(!open || !arga || !argb) return FALSE;
   strcat(psz, "\t");
   strcat(psz, arga);
   strcat(psz, ": ");
   strcat(psz, argb);
   strcat(psz, ";\r\n");
   if(!extmem(1000, dw - 100)) return FALSE;
   return TRUE;
}

BOOL CSS::extmem(DWORD arga, DWORD argb = 0)
{
   if(strlen(psz) < argb) return TRUE;
   char *newpsz = new char[dw + arga];
   if(!newpsz) return FALSE;
   dw += arga;
   newpsz[0] = 0;
   strcpy(newpsz, psz);
   delete [] psz;
   psz = newpsz;
   return TRUE;
}

char *CSS::text()
{
   return psz;
}

// End of file.