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
|
# Copyright 2018 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
from __future__ import print_function
import collections
import json
import os.path
import re
import sys
description = ''
primitiveTypes = ['integer', 'number', 'boolean', 'string', 'object', 'any', 'array', 'binary']
def assignType(item, type, is_array=False, map_binary_to_string=False):
if is_array:
item['type'] = 'array'
item['items'] = collections.OrderedDict()
assignType(item['items'], type, False, map_binary_to_string)
return
if type == 'enum':
type = 'string'
if map_binary_to_string and type == 'binary':
type = 'string'
if type in primitiveTypes:
item['type'] = type
else:
item['$ref'] = type
def createItem(d, experimental, deprecated, name=None):
result = collections.OrderedDict(d)
if name:
result['name'] = name
global description
if description:
result['description'] = description.strip()
if experimental:
result['experimental'] = True
if deprecated:
result['deprecated'] = True
return result
def parse(data, file_name, map_binary_to_string=False):
protocol = collections.OrderedDict()
protocol['version'] = collections.OrderedDict()
protocol['domains'] = []
domain = None
item = None
subitems = None
nukeDescription = False
global description
lines = data.split('\n')
for i in range(0, len(lines)):
if nukeDescription:
description = ''
nukeDescription = False
line = lines[i]
trimLine = line.strip()
if trimLine.startswith('#'):
if len(description):
description += '\n'
description += trimLine[2:]
continue
else:
nukeDescription = True
if len(trimLine) == 0:
continue
match = re.compile(r'^(experimental )?(deprecated )?domain (.*)').match(line)
if match:
domain = createItem({'domain' : match.group(3)}, match.group(1), match.group(2))
protocol['domains'].append(domain)
continue
match = re.compile(r'^ depends on ([^\s]+)').match(line)
if match:
if 'dependencies' not in domain:
domain['dependencies'] = []
domain['dependencies'].append(match.group(1))
continue
match = re.compile(r'^ (experimental )?(deprecated )?type (.*) extends (array of )?([^\s]+)').match(line)
if match:
if 'types' not in domain:
domain['types'] = []
item = createItem({'id': match.group(3)}, match.group(1), match.group(2))
assignType(item, match.group(5), match.group(4), map_binary_to_string)
domain['types'].append(item)
continue
match = re.compile(r'^ (experimental )?(deprecated )?(command|event) (.*)').match(line)
if match:
list = []
if match.group(3) == 'command':
if 'commands' in domain:
list = domain['commands']
else:
list = domain['commands'] = []
else:
if 'events' in domain:
list = domain['events']
else:
list = domain['events'] = []
item = createItem({}, match.group(1), match.group(2), match.group(4))
list.append(item)
continue
match = re.compile(r'^ (experimental )?(deprecated )?(optional )?(array of )?([^\s]+) ([^\s]+)').match(line)
if match:
param = createItem({}, match.group(1), match.group(2), match.group(6))
if match.group(3):
param['optional'] = True
assignType(param, match.group(5), match.group(4), map_binary_to_string)
if match.group(5) == 'enum':
enumliterals = param['enum'] = []
subitems.append(param)
continue
match = re.compile(r'^ (parameters|returns|properties)').match(line)
if match:
subitems = item[match.group(1)] = []
continue
match = re.compile(r'^ enum').match(line)
if match:
enumliterals = item['enum'] = []
continue
match = re.compile(r'^version').match(line)
if match:
continue
match = re.compile(r'^ major (\d+)').match(line)
if match:
protocol['version']['major'] = match.group(1)
continue
match = re.compile(r'^ minor (\d+)').match(line)
if match:
protocol['version']['minor'] = match.group(1)
continue
match = re.compile(r'^ redirect ([^\s]+)').match(line)
if match:
item['redirect'] = match.group(1)
continue
match = re.compile(r'^ ( )?[^\s]+$').match(line)
if match:
# enum literal
enumliterals.append(trimLine)
continue
print('Error in %s:%s, illegal token: \t%s' % (file_name, i, line))
sys.exit(1)
return protocol
def loads(data, file_name, map_binary_to_string=False):
if file_name.endswith(".pdl"):
return parse(data, file_name, map_binary_to_string)
return json.loads(data)
|
