piotr | 437f546 | 2014-02-04 17:57:25 +0100 | [diff] [blame] | 1 | # |
| 2 | # Copyright 2010 Free Software Foundation, Inc. |
| 3 | # |
Vasil Velichkov | 1789ae2 | 2019-08-13 20:32:05 +0000 | [diff] [blame] | 4 | # This file was generated by gr_modtool, a tool from the GNU Radio framework |
| 5 | # This file is a part of gr-gsm |
piotr | 437f546 | 2014-02-04 17:57:25 +0100 | [diff] [blame] | 6 | # |
| 7 | # GNU Radio is free software; you can redistribute it and/or modify |
| 8 | # it under the terms of the GNU General Public License as published by |
| 9 | # the Free Software Foundation; either version 3, or (at your option) |
| 10 | # any later version. |
| 11 | # |
| 12 | # GNU Radio is distributed in the hope that it will be useful, |
| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | # GNU General Public License for more details. |
| 16 | # |
| 17 | # You should have received a copy of the GNU General Public License |
| 18 | # along with GNU Radio; see the file COPYING. If not, write to |
| 19 | # the Free Software Foundation, Inc., 51 Franklin Street, |
| 20 | # Boston, MA 02110-1301, USA. |
| 21 | # |
| 22 | """ |
| 23 | A base class is created. |
| 24 | |
| 25 | Classes based upon this are used to make more user-friendly interfaces |
| 26 | to the doxygen xml docs than the generated classes provide. |
| 27 | """ |
Vasil Velichkov | 1789ae2 | 2019-08-13 20:32:05 +0000 | [diff] [blame] | 28 | from __future__ import print_function |
| 29 | from __future__ import unicode_literals |
piotr | 437f546 | 2014-02-04 17:57:25 +0100 | [diff] [blame] | 30 | |
| 31 | import os |
| 32 | import pdb |
| 33 | |
| 34 | from xml.parsers.expat import ExpatError |
| 35 | |
Vasil Velichkov | 1789ae2 | 2019-08-13 20:32:05 +0000 | [diff] [blame] | 36 | from .generated import compound |
piotr | 437f546 | 2014-02-04 17:57:25 +0100 | [diff] [blame] | 37 | |
| 38 | |
| 39 | class Base(object): |
| 40 | |
Vasil Velichkov | 1789ae2 | 2019-08-13 20:32:05 +0000 | [diff] [blame] | 41 | class Duplicate(Exception): |
piotr | 437f546 | 2014-02-04 17:57:25 +0100 | [diff] [blame] | 42 | pass |
| 43 | |
Vasil Velichkov | 1789ae2 | 2019-08-13 20:32:05 +0000 | [diff] [blame] | 44 | class NoSuchMember(Exception): |
piotr | 437f546 | 2014-02-04 17:57:25 +0100 | [diff] [blame] | 45 | pass |
| 46 | |
Vasil Velichkov | 1789ae2 | 2019-08-13 20:32:05 +0000 | [diff] [blame] | 47 | class ParsingError(Exception): |
piotr | 437f546 | 2014-02-04 17:57:25 +0100 | [diff] [blame] | 48 | pass |
| 49 | |
| 50 | def __init__(self, parse_data, top=None): |
| 51 | self._parsed = False |
| 52 | self._error = False |
| 53 | self._parse_data = parse_data |
| 54 | self._members = [] |
| 55 | self._dict_members = {} |
| 56 | self._in_category = {} |
| 57 | self._data = {} |
| 58 | if top is not None: |
| 59 | self._xml_path = top._xml_path |
| 60 | # Set up holder of references |
| 61 | else: |
| 62 | top = self |
| 63 | self._refs = {} |
| 64 | self._xml_path = parse_data |
| 65 | self.top = top |
| 66 | |
| 67 | @classmethod |
| 68 | def from_refid(cls, refid, top=None): |
| 69 | """ Instantiate class from a refid rather than parsing object. """ |
| 70 | # First check to see if its already been instantiated. |
| 71 | if top is not None and refid in top._refs: |
| 72 | return top._refs[refid] |
| 73 | # Otherwise create a new instance and set refid. |
| 74 | inst = cls(None, top=top) |
| 75 | inst.refid = refid |
| 76 | inst.add_ref(inst) |
| 77 | return inst |
| 78 | |
| 79 | @classmethod |
| 80 | def from_parse_data(cls, parse_data, top=None): |
| 81 | refid = getattr(parse_data, 'refid', None) |
| 82 | if refid is not None and top is not None and refid in top._refs: |
| 83 | return top._refs[refid] |
| 84 | inst = cls(parse_data, top=top) |
| 85 | if refid is not None: |
| 86 | inst.refid = refid |
| 87 | inst.add_ref(inst) |
| 88 | return inst |
| 89 | |
| 90 | def add_ref(self, obj): |
| 91 | if hasattr(obj, 'refid'): |
| 92 | self.top._refs[obj.refid] = obj |
| 93 | |
| 94 | mem_classes = [] |
| 95 | |
| 96 | def get_cls(self, mem): |
| 97 | for cls in self.mem_classes: |
| 98 | if cls.can_parse(mem): |
| 99 | return cls |
Vasil Velichkov | 1789ae2 | 2019-08-13 20:32:05 +0000 | [diff] [blame] | 100 | raise Exception(("Did not find a class for object '%s'." \ |
piotr | 437f546 | 2014-02-04 17:57:25 +0100 | [diff] [blame] | 101 | % (mem.get_name()))) |
| 102 | |
| 103 | def convert_mem(self, mem): |
| 104 | try: |
| 105 | cls = self.get_cls(mem) |
| 106 | converted = cls.from_parse_data(mem, self.top) |
| 107 | if converted is None: |
Vasil Velichkov | 1789ae2 | 2019-08-13 20:32:05 +0000 | [diff] [blame] | 108 | raise Exception('No class matched this object.') |
piotr | 437f546 | 2014-02-04 17:57:25 +0100 | [diff] [blame] | 109 | self.add_ref(converted) |
| 110 | return converted |
Vasil Velichkov | 1789ae2 | 2019-08-13 20:32:05 +0000 | [diff] [blame] | 111 | except Exception as e: |
| 112 | print(e) |
piotr | 437f546 | 2014-02-04 17:57:25 +0100 | [diff] [blame] | 113 | |
| 114 | @classmethod |
| 115 | def includes(cls, inst): |
| 116 | return isinstance(inst, cls) |
| 117 | |
| 118 | @classmethod |
| 119 | def can_parse(cls, obj): |
| 120 | return False |
| 121 | |
| 122 | def _parse(self): |
| 123 | self._parsed = True |
| 124 | |
| 125 | def _get_dict_members(self, cat=None): |
| 126 | """ |
| 127 | For given category a dictionary is returned mapping member names to |
| 128 | members of that category. For names that are duplicated the name is |
| 129 | mapped to None. |
| 130 | """ |
| 131 | self.confirm_no_error() |
| 132 | if cat not in self._dict_members: |
| 133 | new_dict = {} |
| 134 | for mem in self.in_category(cat): |
| 135 | if mem.name() not in new_dict: |
| 136 | new_dict[mem.name()] = mem |
| 137 | else: |
| 138 | new_dict[mem.name()] = self.Duplicate |
| 139 | self._dict_members[cat] = new_dict |
| 140 | return self._dict_members[cat] |
| 141 | |
| 142 | def in_category(self, cat): |
| 143 | self.confirm_no_error() |
| 144 | if cat is None: |
| 145 | return self._members |
| 146 | if cat not in self._in_category: |
| 147 | self._in_category[cat] = [mem for mem in self._members |
| 148 | if cat.includes(mem)] |
| 149 | return self._in_category[cat] |
| 150 | |
| 151 | def get_member(self, name, cat=None): |
| 152 | self.confirm_no_error() |
| 153 | # Check if it's in a namespace or class. |
| 154 | bits = name.split('::') |
| 155 | first = bits[0] |
| 156 | rest = '::'.join(bits[1:]) |
| 157 | member = self._get_dict_members(cat).get(first, self.NoSuchMember) |
| 158 | # Raise any errors that are returned. |
| 159 | if member in set([self.NoSuchMember, self.Duplicate]): |
| 160 | raise member() |
| 161 | if rest: |
| 162 | return member.get_member(rest, cat=cat) |
| 163 | return member |
| 164 | |
| 165 | def has_member(self, name, cat=None): |
| 166 | try: |
| 167 | mem = self.get_member(name, cat=cat) |
| 168 | return True |
| 169 | except self.NoSuchMember: |
| 170 | return False |
| 171 | |
| 172 | def data(self): |
| 173 | self.confirm_no_error() |
| 174 | return self._data |
| 175 | |
| 176 | def members(self): |
| 177 | self.confirm_no_error() |
| 178 | return self._members |
| 179 | |
| 180 | def process_memberdefs(self): |
| 181 | mdtss = [] |
| 182 | for sec in self._retrieved_data.compounddef.sectiondef: |
| 183 | mdtss += sec.memberdef |
| 184 | # At the moment we lose all information associated with sections. |
| 185 | # Sometimes a memberdef is in several sectiondef. |
| 186 | # We make sure we don't get duplicates here. |
| 187 | uniques = set([]) |
| 188 | for mem in mdtss: |
| 189 | converted = self.convert_mem(mem) |
| 190 | pair = (mem.name, mem.__class__) |
| 191 | if pair not in uniques: |
| 192 | uniques.add(pair) |
| 193 | self._members.append(converted) |
| 194 | |
| 195 | def retrieve_data(self): |
| 196 | filename = os.path.join(self._xml_path, self.refid + '.xml') |
| 197 | try: |
| 198 | self._retrieved_data = compound.parse(filename) |
| 199 | except ExpatError: |
| 200 | print('Error in xml in file %s' % filename) |
| 201 | self._error = True |
| 202 | self._retrieved_data = None |
| 203 | |
| 204 | def check_parsed(self): |
| 205 | if not self._parsed: |
| 206 | self._parse() |
| 207 | |
| 208 | def confirm_no_error(self): |
| 209 | self.check_parsed() |
| 210 | if self._error: |
| 211 | raise self.ParsingError() |
| 212 | |
| 213 | def error(self): |
| 214 | self.check_parsed() |
| 215 | return self._error |
| 216 | |
| 217 | def name(self): |
| 218 | # first see if we can do it without processing. |
| 219 | if self._parse_data is not None: |
| 220 | return self._parse_data.name |
| 221 | self.check_parsed() |
| 222 | return self._retrieved_data.compounddef.name |