/*
* Set the initial 'alive' cells.
*
* INPUT: &cnfg Config file to store initial 'alive' cells
*/
void reader::set_living(config &cnfg)
{
int start, end;
// Check if the keyword exists
start = data.find("Initial");
if (start == string::npos || start >= data.size()) return;
// Find the start and end index of the "Initial" statement
start = data.find("{", start+7);
end = data.find("}", start+1);
// Make sure a complete statement exists
if (start == string::npos || start >= data.size() || end == string::npos || end >= data.size()) return;
int x, y;
bool done = false;
istringstream stream(data.substr(start, end-start+1));
while (stream.good()) {
// Find the next 'Y' char
if (stream.peek() == 'Y') {
done = false;
// Process the column of alive cells (current row in .aut file)
while (!done) {
// Grab the y coordinate
if (isdigit(stream.peek()) || stream.peek() == '-') {
stream >> y;
// Grab the x coordinates
while (1) {
if (isdigit(stream.peek()) || stream.peek() == '-') {
stream >> x;
cnfg.add(x, y);
}
else if (stream.peek() == ';') break;
else stream.get();
} // End x coordinates
done = true;
}
