7 # (c) 2005 Straylight/Edgeware
10 #----- Licensing notice -----------------------------------------------------
12 # This file is part of the Python interface to mLib.
14 # mLib/Python is free software; you can redistribute it and/or modify
15 # it under the terms of the GNU General Public License as published by
16 # the Free Software Foundation; either version 2 of the License, or
17 # (at your option) any later version.
19 # mLib/Python is distributed in the hope that it will be useful,
20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 # GNU General Public License for more details.
24 # You should have received a copy of the GNU General Public License
25 # along with mLib/Python; if not, write to the Free Software Foundation,
26 # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 cdef class _MapIterator:
36 ## Subclasses must implement these
37 cdef int _init(me) except -1:
38 raise TypeError, 'abstract class'
39 cdef void *_find(me, object key, unsigned *f) except NULL:
40 raise SystemError, 'unimplemented _find'
41 cdef object _key(me, void *e):
43 cdef object _value(me, void *e):
45 cdef void _setval(me, void *e, object val):
47 cdef void _del(me, void *e):
49 cdef _MapIterator _iter(me):
50 raise SystemError, 'unimplemented _iter'
53 def __new__(me, *hunoz, **hukairz):
55 def __init__(me, stuff = None, **kw):
59 def update(me, stuff = None, **kw):
63 elif hasattr(stuff, 'itemiter'):
64 for k, v in stuff.itemiter:
65 me._setval(me._find(k, &f), v)
66 elif hasattr(stuff, 'keys'):
67 for k in stuff.keys():
68 me._setval(me._find( k, &f), stuff[k])
71 me._setval(me._find(k, &f), v)
72 for k, v in kw.iteritems():
73 me._setval(me._find(k, &f), v)
77 def __getitem__(me, key):
79 e = me._find(key, NULL)
83 def __setitem__(me, key, value):
85 me._setval(me._find(key, &f), value)
86 def __delitem__(me, key):
93 def get(me, key, default = None):
95 e = me._find(key, NULL)
99 def setdefault(me, key, default = None):
102 e = me._find(key, &f)
106 me._setval(e, default)
108 def pop(me, key, default = None):
110 e = me._find(key, NULL)
122 raise ValueError, 'popitem(): table is empty'
123 return me._key(e), me._value(e)
126 cdef object _list(me, object (*func)(Mapping m, void *e)):
135 l.append(func(me, e))
139 return me._list(_map_key)
141 return me._list(_map_value)
143 return me._list(_map_item)
158 return MapKeyIter(me)
160 return MapKeyIter(me)
162 return MapValueIter(me)
164 return MapItemIter(me)
166 cdef class MapIterBase:
168 cdef object (*func)(Mapping m, void *e)
170 cdef int _init(me) except -1:
171 raise TypeError, 'abstract class'
182 return me.func(me.m, e)
183 cdef class MapKeyIter (MapIterBase):
184 cdef int _init(me) except -1:
187 cdef class MapValueIter (MapIterBase):
188 cdef int _init(me) except -1:
191 cdef class MapItemIter (MapIterBase):
192 cdef int _init(me) except -1:
196 cdef object _map_key(Mapping m, void *e):
198 cdef object _map_value(Mapping m, void *e):
200 cdef object _map_item(Mapping m, void *e):
201 return m._key(e), m._value(e)
203 #----- That's all, folks ----------------------------------------------------