| 1 | class library(object): |
| 2 | pass |
| 3 | |
| 4 | class pagelist(object): |
| 5 | pass |
| 6 | |
| 7 | class manga(pagelist): |
| 8 | pass |
| 9 | |
| 10 | class page(object): |
| 11 | pass |
| 12 | |
| 13 | class pageiter(object): |
| 14 | def __init__(self, root): |
| 15 | self.nstack = [0] |
| 16 | self.lstack = [root] |
| 17 | |
| 18 | def next(self): |
| 19 | while True: |
| 20 | if len(self.nstack) == 0: |
| 21 | raise StopIteration |
| 22 | try: |
| 23 | node = self.lstack[-1][self.nstack[-1]] |
| 24 | except IndexError: |
| 25 | self.lstack.pop() |
| 26 | self.nstack.pop() |
| 27 | if len(self.nstack) > 0: |
| 28 | self.nstack[-1] += 1 |
| 29 | continue |
| 30 | if isinstance(node, page): |
| 31 | nl = tuple(self.nstack) |
| 32 | self.nstack[-1] += 1 |
| 33 | return nl, node |
| 34 | elif isinstance(node, pagelist): |
| 35 | self.lstack.append(node) |
| 36 | self.nstack.append(0) |
| 37 | |
| 38 | def __iter__(self): |
| 39 | return self |