| 33 | ## CMap |
| 34 | ## |
| 35 | class CMap(object): |
| 36 | |
| 37 | debug = 0 |
| 38 | |
| 39 | def __init__(self, code2cid=None): |
| 40 | self.code2cid = code2cid or {} |
| 41 | return |
| 42 | |
| 43 | def is_vertical(self): |
| 44 | return False |
| 45 | |
| 46 | def use_cmap(self, cmap): |
| 47 | assert isinstance(cmap, CMap) |
| 48 | def copy(dst, src): |
| 49 | for (k,v) in src.iteritems(): |
| 50 | if isinstance(v, dict): |
| 51 | d = {} |
| 52 | dst[k] = d |
| 53 | copy(d, v) |
| 54 | else: |
| 55 | dst[k] = v |
| 56 | copy(self.code2cid, cmap.code2cid) |
| 57 | return |
| 58 | |
| 59 | def decode(self, code): |
| 60 | if self.debug: |
| 61 | print >>sys.stderr, 'decode: %r, %r' % (self, code) |
| 62 | d = self.code2cid |
| 63 | for c in code: |
| 64 | c = ord(c) |
| 65 | if c in d: |
| 66 | d = d[c] |
| 67 | if isinstance(d, int): |
| 68 | yield d |
| 69 | d = self.code2cid |
| 70 | else: |
| 71 | d = self.code2cid |
| 72 | return |
| 73 | |
| 74 | def dump(self, out=sys.stdout, code2cid=None, code=None): |
| 75 | if code2cid is None: |
| 76 | code2cid = self.code2cid |
| 77 | code = () |
| 78 | for (k,v) in sorted(code2cid.iteritems()): |
| 79 | c = code+(k,) |
| 80 | if isinstance(v, int): |
| 81 | out.write('code %r = cid %d\n' % (c,v)) |
| 82 | else: |
| 83 | self.dump(out=out, code2cid=v, code=c) |
| 84 | return |
| 85 | |
| 86 | |
| 87 | ## IdentityCMap |