Repair Doxygen build infrastructure
[vpp.git] / vpp-api / java / jvpp / gen / jvppgen / util.py
1 #!/usr/bin/env python
2 #
3 # Copyright (c) 2016 Cisco and/or its affiliates.
4 # Licensed under the Apache License, Version 2.0 (the "License");
5 # you may not use this file except in compliance with the License.
6 # You may obtain a copy of the License at:
7 #
8 #     http://www.apache.org/licenses/LICENSE-2.0
9 #
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS,
12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 # See the License for the specific language governing permissions and
14 # limitations under the License.
15
16 import os, pprint
17 from os import removedirs
18
19
20 def underscore_to_camelcase(name):
21     name = name.title().replace("_", "")
22     return name[0].lower() + name[1:]
23
24
25 def underscore_to_camelcase_upper(name):
26     name = name.title().replace("_", "")
27     return name[0].upper() + name[1:]
28
29
30 def remove_folder(folder):
31     """ Remove folder with all its files """
32     for root, dirs, files in os.walk(folder, topdown=False):
33         for name in files:
34             os.remove(os.path.join(root, name))
35         removedirs(folder)
36
37
38 reply_suffixes = ("reply", "details", "l2fibtableentry")
39
40
41 def is_reply(name):
42     return name.lower().endswith(reply_suffixes)
43
44
45 def is_details(name):
46     return name.lower().endswith(reply_suffixes[1]) or name.lower().endswith(reply_suffixes[2])
47
48
49 def is_retval_field(name):
50     return name == 'retval'
51
52 dump_suffix = "dump"
53
54
55 def is_dump(name):
56     return name.lower().endswith(dump_suffix)
57
58
59 def get_reply_suffix(name):
60     for reply_suffix in reply_suffixes:
61         if name.lower().endswith(reply_suffix):
62             if reply_suffix == reply_suffixes[2]:
63                 # FIXME workaround for l2_fib_table_entry
64                 return 'entry'
65             else:
66                 return reply_suffix
67
68 # Mapping according to:
69 # http://docs.oracle.com/javase/7/docs/technotes/guides/jni/spec/types.html
70 #
71 # Unsigned types are converted to signed java types that have the same size.
72 # It is the API user responsibility to interpret them correctly.
73 jni_2_java_type_mapping = {'u8': 'byte',
74                            'u8[]': 'byte[]',
75                            'i8': 'byte',
76                            'i8[]': 'byte[]',
77                            'u16': 'short',
78                            'u16[]': 'short[]',
79                            'i16': 'short',
80                            'i16[]': 'short[]',
81                            'u32': 'int',
82                            'u32[]': 'int[]',
83                            'i32': 'int',
84                            'i32[]': 'int[]',
85                            'u64': 'long',
86                            'u64[]': 'long[]',
87                            'i64': 'long',
88                            'i64[]': 'long[]',
89                            'f64': 'double',
90                            'f64[]': 'double[]'
91                            }
92
93 vpp_2_jni_type_mapping = {'u8': 'jbyte',
94                           'u8[]': 'jbyteArray',
95                           'i8': 'jbyte',
96                           'u8[]': 'jbyteArray',
97                           'u16': 'jshort',
98                           'u16[]': 'jshortArray',
99                           'i16': 'jshort',
100                           'i16[]': 'jshortArray',
101                           'u32': 'jint',
102                           'u32[]': 'jintArray',
103                           'i32': 'jint',
104                           'i32[]': 'jintArray',
105                           'u64': 'jlong',
106                           'u64[]': 'jlongArray',
107                           'i64': 'jlong',
108                           'i64[]': 'jlongArray',
109                           'f64': 'jdouble',
110                           'f64[]': 'jdoubleArray'
111                           }
112
113 # https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/types.html#type_signatures
114 jni_2_signature_mapping = {'u8': 'B',
115                            'u8[]': '[B',
116                            'i8': 'B',
117                            'i8[]': '[B',
118                            'u16': 'S',
119                            'u16[]': '[S',
120                            'i16': 'S',
121                            'i16[]': '[S',
122                            'u32': 'I',
123                            'u32[]': '[I',
124                            'i32': 'I',
125                            'i32[]': '[I',
126                            'u64': 'J',
127                            'u64[]': '[J',
128                            'i64': 'J',
129                            'i64[]': '[J',
130                            'f64': 'D',
131                            'f64[]': '[D'
132                            }
133
134 # https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/functions.html#Get_type_Field_routines
135 jni_field_accessors =  {'u8': 'ByteField',
136                         'u8[]': 'ObjectField',
137                         'i8': 'ByteField',
138                         'i8[]': 'ObjectField',
139                         'u16': 'ShortField',
140                         'u16[]': 'ObjectField',
141                         'i16': 'ShortField',
142                         'i16[]': 'ObjectField',
143                         'u32': 'IntField',
144                         'u32[]': 'ObjectField',
145                         'i32': 'IntField',
146                         'i32[]': 'ObjectField',
147                         'u64': 'LongField',
148                         'u64[]': 'ObjectField',
149                         'i64': 'LongField',
150                         'i64[]': 'ObjectField',
151                         'f64': 'DoubleField',
152                         'f64[]': 'ObjectField'
153                         }
154
155
156 # vpe.api calls that do not follow naming conventions and have to be handled exceptionally when finding reply -> request mapping
157 # FIXME in vpe.api
158 unconventional_naming_rep_req = {
159                                  'cli_reply': 'cli_request',
160                                  'vnet_summary_stats_reply': 'vnet_get_summary_stats',
161                                  # This below is actually a sub-details callback. We cannot derive the mapping of dump request
162                                  # belonging to this sub-details from naming conventions. We need special mapping
163                                  'bridge_domain_sw_if_details': 'bridge_domain',
164                                  # This is standard dump call + details reply. However it's not called details but entry
165                                  'l2_fib_table_entry': 'l2_fib_table'
166                                  }
167
168 #
169 # FIXME no convention in the naming of events (notifications) in vpe.api
170 notifications_message_suffixes = ("event", "counters")
171 notification_messages_reused = ["sw_interface_set_flags"]
172
173 # messages that must be ignored. These messages are INSUFFICIENTLY marked as disabled in vpe.api
174 # FIXME
175 ignored_messages = ["is_address_reachable"]
176
177
178 def is_notification(name):
179     """ Returns true if the structure is a notification regardless of its no other use """
180     return is_just_notification(name) or name.lower() in notification_messages_reused
181
182
183 def is_just_notification(name):
184     """ Returns true if the structure is just a notification and has no other use """
185     return name.lower().endswith(notifications_message_suffixes)
186
187
188 def is_ignored(param):
189     return param.lower() in ignored_messages
190
191
192 def remove_reply_suffix(camel_case_name_with_suffix):
193     return remove_suffix(camel_case_name_with_suffix, get_reply_suffix(camel_case_name_with_suffix))
194
195
196 def remove_suffix(camel_case_name_with_suffix, suffix):
197     suffix_length = len(suffix)
198     return camel_case_name_with_suffix[:-suffix_length] if suffix_length != 0 else camel_case_name_with_suffix
199
200
201 def is_control_ping(camel_case_name_with_suffix):
202     return camel_case_name_with_suffix.lower().startswith("controlping");
203
204
205 def api_message_to_javadoc(api_message):
206     """ Converts vpe.api message description to javadoc """
207     str = pprint.pformat(api_message, indent=4, width=120, depth=None)
208     return " * " + str.replace("\n", "\n * ")
209
210
211 notification_dto_suffix = "Notification"
212
213
214 def add_notification_suffix(camel_case_dto_name):
215     camel_case_dto_name += notification_dto_suffix
216     return camel_case_dto_name
217
218
219 def is_array(java_type_as_string):
220     return java_type_as_string.endswith("[]")