int Element::read (Scanner &scanner)
{
char str[3] = {0, 0, 0};
str[0] = scanner.readChar();
if (islower(scanner.lookNext()))
str[1] = scanner.readChar();
return fromString(str);
}
void GrossFormula::fromString (Scanner &scanner, Array<int> &gross)
{
gross.clear_resize(ELEM_MAX);
gross.zerofill();
scanner.skipSpace();
while (!scanner.isEOF())
{
int elem = Element::read(scanner);
scanner.skipSpace();
int counter = 1;
if (isdigit(scanner.lookNext()))
{
counter = scanner.readUnsigned();
scanner.skipSpace();
}
gross[elem] += counter;
}
}