The DejaVU Framework -- hush 3.1

include: professional-program-11-GridPartialString-GridString.h /cygdrive/d/www/media

- [up] [top] - index make include source logic grammar scripts html configure mx slides talks scenes reports projects
<body bgcolor="#FFFFFF" text="#000000"> 

include <Grid.h> // The file containing the Grid template definition shown above
include 
include 
using namespace std;

template
<h4 align=right text=red> Grid<char*,</h4><hr>
  class Grid WIDTH, HEIGHT>
{
 public:
  Grid();
  Grid(const Grid& src);
  ~Grid();

  Grid& Grid::operator=(
    const Grid& rhs);
  void setElementAt(int x, int y, const char* inElem);
  char* getElementAt(int x, int y) const;
  int getHeight() const { return HEIGHT; }
  int getWidth() const { return WIDTH; }
 protected:
  void copyFrom(const Grid& src);
  char* mCells[WIDTH][HEIGHT];
};
<hr> 


template 
Grid::Grid()
{
  for (int i = 0; i < WIDTH; i++) {
    for (int j = 0; j < HEIGHT; j++) {
      // initialize each element to NULL
      mCells[i][j] = NULL;
    }
  }
}

template 
Grid::Grid(const Grid& src)
{
    copyFrom(src);
}

template 
Grid::~Grid()
{
    for (int i = 0; i < WIDTH; i++) {
        for (int j = 0; j < HEIGHT; j++) {
            delete [] mCells[i][j];
        }
    }
}

template 
void Grid::copyFrom(
    const Grid& src)
{
    int i, j;

    for (i = 0; i < WIDTH; i++) {
        for (j = 0; j < HEIGHT; j++) {
            if (src.mCells[i][j] == NULL) {
                mCells[i][j] = NULL;
            } else {
                mCells[i][j] = new char[strlen(src.mCells[i][j]) + 1];
                strcpy(mCells[i][j], src.mCells[i][j]);
            }
        }
    }
}

template 
Grid& Grid::operator=(
    const Grid& rhs)
{
    int i, j;

    // check for self-assignment
    if (this == &rhs) {
        return (*this);
    }
    // free the old memory
    for (i = 0; i < WIDTH; i++) {
        for (j = 0; j < HEIGHT; j++) {
            delete [] mCells[i][j];
        }
    }

    // copy the new memory
    copyFrom(rhs);
    return (*this);
}

template 
void Grid::setElementAt(
    int x, int y, const char* inElem)
{
    delete[] mCells[x][y];
    if (inElem == NULL) {
        mCells[x][y] = NULL;
    } else {
        mCells[x][y] = new char[strlen(inElem) + 1];
        strcpy(mCells[x][y], inElem);
    }
}

template 
char* Grid::getElementAt(int x, int y) const
{
    if (mCells[x][y] == NULL) {
        return (NULL);
    }
    char* ret = new char[strlen(mCells[x][y]) + 1];
    strcpy(ret, mCells[x][y]);

    return (ret);
}
<hr> <style type="text/css"> div.mainnavigate { margin: 20px 2px; /* background-color: #ffffff; */ border: 1px solid black; } </style> <div class=xnavigate> [] <black>readme</black> course(s) preface <black>I</black> 1 2 <black>II</black> 3 4 <black>III</black> 5 6 7 <black>IV</black> 8 9 10 <black>V</black> 11 12 afterthought(s) <black>appendix</black> reference(s) example(s) <black>resource(s)</black> _ </div> <hr>

(C) Æliens 20/2/2008

You may not copy or print any of this material without explicit permission of the author or the publisher. In case of other copyright issues, contact the author. </div> <script src="http://www.google-analytics.com/urchin.js" type="text/javascript"> </script> <script type="text/javascript"> _uacct = "UA-2780434-1"; urchinTracker(); </script> </body> </html> <hr> <hr> <table cellpadding=10> <tr> <td> <address> Hush Online Technology </address> hush@cs.vu.nl <br>10/19/08 </td><td> </td> <td></td><td></td><td></td><td></td><td></td><td></td><td></td> <td> </td> </tr> </table>