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
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
"""
Provides helper functionality specificially for Qt C++/QML code generators
"""
import qface.idl.domain as domain
from jinja2 import environmentfilter
def upper_first(s):
s = str(s)
return s[0].upper() + s[1:]
class Filters(object):
"""provides a set of filters to be used with the template engine"""
classPrefix = ''
@staticmethod
def className(symbol):
classPrefix = Filters.classPrefix
return '{0}{1}'.format(classPrefix, symbol.name)
@staticmethod
def defaultValue(symbol):
prefix = Filters.classPrefix
t = symbol.type
if t.is_primitive:
if t.is_int:
return 'int(0)'
if t.is_bool:
return 'bool(false)'
if t.is_string:
return 'QString()'
if t.is_real:
return 'qreal(0.0)'
if t.is_var:
return 'QVariant()'
elif t.is_void:
return ''
elif t.is_enumeration:
value = next(iter(t.reference.members))
return '{0}::{0}Enum::{1}'.format(symbol.type, value)
elif symbol.kind == 'enum':
value = next(iter(symbol.members))
return '{0}::{1}'.format(symbol, value)
elif t.is_flag:
return '0'
elif t.is_list:
nested = Filters.returnType(t.nested)
return 'QVariantList()'.format(nested)
elif t.is_struct:
return '{0}{1}()'.format(prefix, t)
elif t.is_model:
return 'nullptr'
elif t.is_interface:
return 'nullptr'
raise Exception("Unknown symbol type" + repr(symbol))
@staticmethod
def parameterType(symbol):
prefix = Filters.classPrefix
if symbol.type.is_enumeration:
return '{0}::{0}Enum {1}'.format(symbol.type, symbol)
if symbol.type.is_void or symbol.type.is_primitive:
if symbol.type.is_string:
return 'const QString &{0}'.format(symbol)
if symbol.type.is_var:
return 'const QVariant &{0}'.format(symbol)
if symbol.type.is_real:
return 'qreal {0}'.format(symbol)
if symbol.type.is_bool:
return 'bool {0}'.format(symbol)
if symbol.type.is_int:
return 'int {0}'.format(symbol)
return '{0} {1}'.format(symbol.type, symbol)
elif symbol.type.is_list:
nested = Filters.returnType(symbol.type.nested)
return 'const QVariantList& {1}'.format(nested, symbol)
elif symbol.type.is_model:
return 'QAbstractItemModel* {0}'.format(symbol)
elif symbol.type.is_complex:
if symbol.type.is_interface:
return '{0}Base *{1}'.format(symbol.type, symbol)
else:
return 'const {0}{1} &{2}'.format(prefix, symbol.type, symbol)
raise Exception("Unknown symbol type")
@staticmethod
def returnType(symbol):
prefix = Filters.classPrefix
t = symbol.type
if t.is_enumeration:
return '{0}::{0}Enum'.format(symbol.type)
if symbol.type.is_void or symbol.type.is_primitive:
if t.is_string:
return 'QString'
if t.is_var:
return 'QVariant'
if t.is_real:
return 'qreal'
if t.is_int:
return 'int'
if t.is_bool:
return 'bool'
if t.is_void:
return 'void'
print(t)
assert False
elif symbol.type.is_list:
nested = Filters.returnType(symbol.type.nested)
return 'QVariantList'.format(nested)
elif symbol.type.is_model:
return 'QAbstractItemModel* '
elif symbol.type.is_complex:
if symbol.type.is_interface:
return '{0}Base *'.format(symbol.type)
else:
return '{0}{1}'.format(prefix, symbol.type)
raise Exception("Unknown symbol type")
@staticmethod
def header_dependencies(symbol):
types = symbol.dependencies
lines = []
for t in types:
if t.is_primitive:
continue
if t.is_interface:
lines.append('class {0};'.format(t))
if t.is_struct:
lines.append('#include "{0}.h"'.format(t))
return "\n".join(lines)
@staticmethod
def source_dependencies(symbol):
types = symbol.dependencies
lines = []
module_name = symbol.module.module_name
if not symbol.kind == 'module':
lines.append('#include "{0}module.h"'.format(module_name.lower()))
for t in types:
if t.is_primitive:
continue
if t.is_interface:
lines.append('#include "{0}.h"'.format(t.name.lower()))
return "\n".join(lines)
@staticmethod
def open_ns(symbol):
''' generates a open namespace from symbol namespace x { y { z {'''
blocks = ['namespace {0} {{'.format(x) for x in symbol.module.name_parts]
return ' '.join(blocks)
@staticmethod
def close_ns(symbol):
'''generates a closing names statement from a symbol'''
closing = ' '.join(['}' for x in symbol.module.name_parts])
name = '::'.join(symbol.module.name_parts)
return '{0} // namespace {1}'.format(closing, name)
@staticmethod
def using_ns(symbol):
'''generates a using namespace x::y::z statement from a symbol'''
id = '::'.join(symbol.module.name_parts)
return 'using namespace {0};'.format(id)
@staticmethod
def ns(symbol):
'''generates a namespace x::y::z statement from a symbol'''
if symbol.type and symbol.type.is_primitive:
return ''
return '{0}::'.format('::'.join(symbol.module.name_parts))
@staticmethod
def fqn(symbol):
'''generates a fully qualified name from symbol'''
return '{0}::{1}'.format(Filters.ns(symbol), symbol.name)
@staticmethod
def signalName(s):
if isinstance(s, domain.Property):
return '{0}Changed'.format(s)
return s
@staticmethod
@environmentfilter
def parameters(env, s, filter=None, spaces=True):
if not filter:
filter = Filters.parameterType
elif isinstance(filter, str):
filter = env.filters[filter]
args = []
indent = ', '
if not spaces:
indent = ','
if isinstance(s, domain.Operation):
args = s.parameters
elif isinstance(s, domain.Signal):
args = s.parameters
elif isinstance(s, domain.Struct):
args = s.fields
elif isinstance(s, domain.Property):
args = [s]
return indent.join([filter(a) for a in args])
@staticmethod
@environmentfilter
def signature(env, s, expand=False, filter=None):
if not filter:
filter = Filters.returnType
elif isinstance(filter, str):
filter = env.filters[filter]
if isinstance(s, domain.Operation):
args = s.parameters
elif isinstance(s, domain.Signal):
args = s.parameters
elif isinstance(s, domain.Property):
args = [s] # for <property>Changed(<type>)
elif isinstance(s, domain.Struct):
args = s.fields
else:
args = []
if expand:
return ', '.join(['{0} {1}'.format(filter(a), a.name) for a in args])
return ','.join([filter(a) for a in args])
@staticmethod
def identifier(s):
return str(s).lower().replace('.', '_')
@staticmethod
def path(s):
return str(s).replace('.', '/')
@staticmethod
def get_filters():
return {
'qt.defaultValue': Filters.defaultValue,
'qt.returnType': Filters.returnType,
'qt.parameterType': Filters.parameterType,
'qt.open_ns': Filters.open_ns,
'qt.close_ns': Filters.close_ns,
'qt.using_ns': Filters.using_ns,
'qt.ns': Filters.ns,
'qt.fqn': Filters.fqn,
'qt.signalName': Filters.signalName,
'qt.parameters': Filters.parameters,
'qt.signature': Filters.signature,
'qt.identifier': Filters.identifier,
'qt.path': Filters.path,
'qt.className': Filters.className,
'qt.source_dependencies': Filters.source_dependencies,
'qt.header_dependencies': Filters.header_dependencies,
}
|