aboutsummaryrefslogtreecommitdiffstats
path: root/src/vpp-api/java/jvpp/gen/jvppgen/util.py
blob: 48645246596952af4d99fdd789cb735abdbd2cfb (plain)
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
#!/usr/bin/env python
#
# Copyright (c) 2016 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import os, pprint
from os import removedirs


def underscore_to_camelcase(name):
    name = name.title().replace("_", "")
    return name[0].lower() + name[1:]


def underscore_to_camelcase_upper(name):
    name = name.title().replace("_", "")
    return name[0].upper() + name[1:]


def remove_folder(folder):
    """ Remove folder with all its files """
    for root, dirs, files in os.walk(folder, topdown=False):
        for name in files:
            os.remove(os.path.join(root, name))
        removedirs(folder)


reply_suffixes = ("reply", "details", "l2fibtableentry")


def is_reply(name):
    return name.lower().endswith(reply_suffixes)

details_suffix = "details"

def is_details(name):
    return name.lower().endswith(reply_suffixes[1]) or name.lower().endswith(reply_suffixes[2])


def is_retval_field(name):
    return name == 'retval'

dump_suffix = "dump"


def is_dump(name):
    return name.lower().endswith(dump_suffix)


def get_reply_suffix(name):
    for reply_suffix in reply_suffixes:
        if name.lower().endswith(reply_suffix):
            if reply_suffix == reply_suffixes[2]:
                # FIXME workaround for l2_fib_table_entry
                return 'entry'
            else:
                return reply_suffix

# Mapping according to:
# http://docs.oracle.com/javase/7/docs/technotes/guides/jni/spec/types.html
#
# Unsigned types are converted to signed java types that have the same size.
# It is the API user responsibility to interpret them correctly.
jni_2_java_type_mapping = {'u8': 'byte',
                           'u8[]': 'byte[]',
                           'i8': 'byte',
                           'i8[]': 'byte[]',
                           'u16': 'short',
                           'u16[]': 'short[]',
                           'i16': 'short',
                           'i16[]': 'short[]',
                           'u32': 'int',
                           'u32[]': 'int[]',
                           'i32': 'int',
                           'i32[]': 'int[]',
                           'u64': 'long',
                           'u64[]': 'long[]',
                           'i64': 'long',
                           'i64[]': 'long[]',
                           'f64': 'double',
                           'f64[]': 'double[]'
                           }

vpp_2_jni_type_mapping = {'u8': 'jbyte',
                          'u8[]': 'jbyteArray',
                          'i8': 'jbyte',
                          'u8[]': 'jbyteArray',
                          'u16': 'jshort',
                          'u16[]': 'jshortArray',
                          'i16': 'jshort',
                          'i16[]': 'jshortArray',
                          'u32': 'jint',
                          'u32[]': 'jintArray',
                          'i32': 'jint',
                          'i32[]': 'jintArray',
                          'u64': 'jlong',
                          'u64[]': 'jlongArray',
                          'i64': 'jlong',
                          'i64[]': 'jlongArray',
                          'f64': 'jdouble',
                          'f64[]': 'jdoubleArray'
                          }

# https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/types.html#type_signatures
jni_2_signature_mapping = {'u8': 'B',
                           'u8[]': '[B',
                           'i8': 'B',
                           'i8[]': '[B',
                           'u16': 'S',
                           'u16[]': '[S',
                           'i16': 'S',
                           'i16[]': '[S',
                           'u32': 'I',
                           'u32[]': '[I',
                           'i32': 'I',
                           'i32[]': '[I',
                           'u64': 'J',
                           'u64[]': '[J',
                           'i64': 'J',
                           'i64[]': '[J',
                           'f64': 'D',
                           'f64[]': '[D'
                           }

# https://docs.oracle.com/javase/8/docs/technotes/guides/jni/spec/functions.html#Get_type_Field_routines
jni_field_accessors =  {'u8': 'ByteField',
                        'u8[]': 'ObjectField',
                        'i8': 'ByteField',
                        'i8[]': 'ObjectField',
                        'u16': 'ShortField',
                        'u16[]': 'ObjectField',
                        'i16': 'ShortField',
                        'i16[]': 'ObjectField',
                        'u32': 'IntField',
                        'u32[]': 'ObjectField',
                        'i32': 'IntField',
                        'i32[]': 'ObjectField',
                        'u64': 'LongField',
                        'u64[]': 'ObjectField',
                        'i64': 'LongField',
                        'i64[]': 'ObjectField',
                        'f64': 'DoubleField',
                        'f64[]': 'ObjectField'
                        }


# vpe.api calls that do not follow naming conventions and have to be handled exceptionally when finding reply -> request mapping
# FIXME in vpe.api
unconventional_naming_rep_req = {
                                 }

#
# FIXME no convention in the naming of events (notifications) in vpe.api
notifications_message_suffixes = ("event", "counters")

# messages that must be ignored. These messages are INSUFFICIENTLY marked as disabled in vpe.api
# FIXME
ignored_messages = []


def is_notification(name):
    """ Returns true if the structure is a notification regardless of its no other use """
    return is_just_notification(name)


def is_just_notification(name):
    """ Returns true if the structure is just a notification and has no other use """
    return name.lower().endswith(notifications_message_suffixes)


def is_ignored(param):
    return param.lower() in ignored_messages


def remove_reply_suffix(camel_case_name_with_suffix):
    return remove_suffix(camel_case_name_with_suffix, get_reply_suffix(camel_case_name_with_suffix))


def remove_suffix(camel_case_name_with_suffix, suffix):
    if not suffix:
        return camel_case_name_with_suffix
    suffix_length = len(suffix)
    return camel_case_name_with_suffix[:-suffix_length] if suffix_length != 0 else camel_case_name_with_suffix


def is_control_ping(camel_case_name_with_suffix):
    return camel_case_name_with_suffix.lower().startswith("controlping");


def api_message_to_javadoc(api_message):
    """ Converts vpe.api message description to javadoc """
    str = pprint.pformat(api_message, indent=4, width=120, depth=None)
    return " * " + str.replace("\n", "\n * ")


notification_dto_suffix = "Notification"


def add_notification_suffix(camel_case_dto_name):
    camel_case_dto_name += notification_dto_suffix
    return camel_case_dto_name


def is_array(java_type_as_string):
    return java_type_as_string.endswith("[]")

def is_want(name):
    return name.startswith("want_")