1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
#
# Copyright 2010 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING. If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
"""
A base class is created.
Classes based upon this are used to make more user-friendly interfaces
to the doxygen xml docs than the generated classes provide.
"""
import os
import pdb
from xml.parsers.expat import ExpatError
from generated import compound
class Base(object):
class Duplicate(StandardError):
pass
class NoSuchMember(StandardError):
pass
class ParsingError(StandardError):
pass
def __init__(self, parse_data, top=None):
self._parsed = False
self._error = False
self._parse_data = parse_data
self._members = []
self._dict_members = {}
self._in_category = {}
self._data = {}
if top is not None:
self._xml_path = top._xml_path
# Set up holder of references
else:
top = self
self._refs = {}
self._xml_path = parse_data
self.top = top
@classmethod
def from_refid(cls, refid, top=None):
""" Instantiate class from a refid rather than parsing object. """
# First check to see if its already been instantiated.
if top is not None and refid in top._refs:
return top._refs[refid]
# Otherwise create a new instance and set refid.
inst = cls(None, top=top)
inst.refid = refid
inst.add_ref(inst)
return inst
@classmethod
def from_parse_data(cls, parse_data, top=None):
refid = getattr(parse_data, 'refid', None)
if refid is not None and top is not None and refid in top._refs:
return top._refs[refid]
inst = cls(parse_data, top=top)
if refid is not None:
inst.refid = refid
inst.add_ref(inst)
return inst
def add_ref(self, obj):
if hasattr(obj, 'refid'):
self.top._refs[obj.refid] = obj
mem_classes = []
def get_cls(self, mem):
for cls in self.mem_classes:
if cls.can_parse(mem):
return cls
raise StandardError(("Did not find a class for object '%s'." \
% (mem.get_name())))
def convert_mem(self, mem):
try:
cls = self.get_cls(mem)
converted = cls.from_parse_data(mem, self.top)
if converted is None:
raise StandardError('No class matched this object.')
self.add_ref(converted)
return converted
except StandardError, e:
print e
@classmethod
def includes(cls, inst):
return isinstance(inst, cls)
@classmethod
def can_parse(cls, obj):
return False
def _parse(self):
self._parsed = True
def _get_dict_members(self, cat=None):
"""
For given category a dictionary is returned mapping member names to
members of that category. For names that are duplicated the name is
mapped to None.
"""
self.confirm_no_error()
if cat not in self._dict_members:
new_dict = {}
for mem in self.in_category(cat):
if mem.name() not in new_dict:
new_dict[mem.name()] = mem
else:
new_dict[mem.name()] = self.Duplicate
self._dict_members[cat] = new_dict
return self._dict_members[cat]
def in_category(self, cat):
self.confirm_no_error()
if cat is None:
return self._members
if cat not in self._in_category:
self._in_category[cat] = [mem for mem in self._members
if cat.includes(mem)]
return self._in_category[cat]
def get_member(self, name, cat=None):
self.confirm_no_error()
# Check if it's in a namespace or class.
bits = name.split('::')
first = bits[0]
rest = '::'.join(bits[1:])
member = self._get_dict_members(cat).get(first, self.NoSuchMember)
# Raise any errors that are returned.
if member in set([self.NoSuchMember, self.Duplicate]):
raise member()
if rest:
return member.get_member(rest, cat=cat)
return member
def has_member(self, name, cat=None):
try:
mem = self.get_member(name, cat=cat)
return True
except self.NoSuchMember:
return False
def data(self):
self.confirm_no_error()
return self._data
def members(self):
self.confirm_no_error()
return self._members
def process_memberdefs(self):
mdtss = []
for sec in self._retrieved_data.compounddef.sectiondef:
mdtss += sec.memberdef
# At the moment we lose all information associated with sections.
# Sometimes a memberdef is in several sectiondef.
# We make sure we don't get duplicates here.
uniques = set([])
for mem in mdtss:
converted = self.convert_mem(mem)
pair = (mem.name, mem.__class__)
if pair not in uniques:
uniques.add(pair)
self._members.append(converted)
def retrieve_data(self):
filename = os.path.join(self._xml_path, self.refid + '.xml')
try:
self._retrieved_data = compound.parse(filename)
except ExpatError:
print('Error in xml in file %s' % filename)
self._error = True
self._retrieved_data = None
def check_parsed(self):
if not self._parsed:
self._parse()
def confirm_no_error(self):
self.check_parsed()
if self._error:
raise self.ParsingError()
def error(self):
self.check_parsed()
return self._error
def name(self):
# first see if we can do it without processing.
if self._parse_data is not None:
return self._parse_data.name
self.check_parsed()
return self._retrieved_data.compounddef.name
|
