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
|
# -*- Mode: Python; py-indent-offset: 4 -*-
'''Simple module for extracting GNOME style doc comments from C
sources, so I can use them for other purposes.'''
import sys, os, string, re
__all__ = ['extract']
class FunctionDoc:
def __init__(self):
self.name = None
self.params = []
self.description = ''
self.ret = ''
def set_name(self, name):
self.name = name
def add_param(self, name, description):
if name == '...':
name = 'Varargs'
self.params.append((name, description))
def append_to_last_param(self, extra):
self.params[-1] = (self.params[-1][0], self.params[-1][1] + extra)
def append_to_named_param(self, name, extra):
for i in range(len(self.params)):
if self.params[i][0] == name:
self.params[i] = (name, self.params[i][1] + extra)
return
# fall through to adding extra parameter ...
self.add_param(name, extra)
def append_description(self, extra):
self.description = self.description + extra
def append_return(self, extra):
self.ret = self.ret + extra
def get_param_description(self, name):
for param, description in self.params:
if param == name:
return description
else:
return ''
comment_start_pat = re.compile(r'^\s*/\*\*\s')
comment_end_pat = re.compile(r'^\s*\*+/')
comment_line_lead = re.compile(r'^\s*\*\s*')
funcname_pat = re.compile(r'^(\w+)\s*:?')
return_pat = re.compile(r'^(returns:|return\s+value:|returns\s*)(.*\n?)$',
re.IGNORECASE)
param_pat = re.compile(r'^@(\S+)\s*:(.*\n?)$')
def parse_file(fp, doc_dict):
line = fp.readline()
in_comment_block = 0
while line:
if not in_comment_block:
if comment_start_pat.match(line):
in_comment_block = 1
cur_doc = FunctionDoc()
in_description = 0
in_return = 0
line = fp.readline()
continue
# we are inside a comment block ...
if comment_end_pat.match(line):
if not cur_doc.name:
sys.stderr.write("no function name found in doc comment\n")
else:
doc_dict[cur_doc.name] = cur_doc
in_comment_block = 0
line = fp.readline()
continue
# inside a comment block, and not the end of the block ...
line = comment_line_lead.sub('', line)
if not line: line = '\n'
if not cur_doc.name:
match = funcname_pat.match(line)
if match:
cur_doc.set_name(match.group(1))
elif in_return:
match = return_pat.match(line)
if match:
# assume the last return statement was really part of the
# description
return_start = match.group(1)
cur_doc.ret = match.group(2)
cur_doc.description = cur_doc.description + return_start + \
cur_doc.ret
else:
cur_doc.append_return(line)
elif in_description:
if line[:12] == 'Description:':
line = line[12:]
match = return_pat.match(line)
if match:
in_return = 1
return_start = match.group(1)
cur_doc.append_return(match.group(2))
else:
cur_doc.append_description(line)
elif line == '\n':
# end of parameters
in_description = 1
else:
match = param_pat.match(line)
if match:
param = match.group(1)
desc = match.group(2)
if param == 'returns':
cur_doc.ret = desc
else:
cur_doc.add_param(param, desc)
else:
# must be continuation
try:
if param == 'returns':
cur_doc.append_return(line)
else:
cur_doc.append_to_last_param(line)
except:
sys.stderr.write('something weird while reading param\n')
line = fp.readline()
def parse_dir(dir, doc_dict):
for file in os.listdir(dir):
if file in ('.', '..'): continue
path = os.path.join(dir, file)
if os.path.isdir(path):
parse_dir(path, doc_dict)
if len(file) > 2 and file[-2:] == '.c':
parse_file(open(path, 'r'), doc_dict)
def extract(dirs, doc_dict=None):
if not doc_dict: doc_dict = {}
for dir in dirs:
parse_dir(dir, doc_dict)
return doc_dict
tmpl_section_pat = re.compile(r'^<!-- ##### (\w+) (\w+) ##### -->$')
def parse_tmpl(fp, doc_dict):
cur_doc = None
line = fp.readline()
while line:
match = tmpl_section_pat.match(line)
if match:
cur_doc = None # new input shouldn't affect the old doc dict
sect_type = match.group(1)
sect_name = match.group(2)
if sect_type == 'FUNCTION':
cur_doc = doc_dict.get(sect_name)
if not cur_doc:
cur_doc = FunctionDoc()
cur_doc.set_name(sect_name)
doc_dict[sect_name] = cur_doc
elif line == '<!-- # Unused Parameters # -->\n':
cur_doc = None # don't worry about unused params.
elif cur_doc:
if line[:10] == '@Returns: ':
if string.strip(line[10:]):
cur_doc.append_return(line[10:])
elif line[0] == '@':
pos = string.find(line, ':')
if pos >= 0:
cur_doc.append_to_named_param(line[1:pos], line[pos+1:])
else:
cur_doc.append_description(line)
else:
cur_doc.append_description(line)
line = fp.readline()
def extract_tmpl(dirs, doc_dict=None):
if not doc_dict: doc_dict = {}
for dir in dirs:
for file in os.listdir(dir):
if file in ('.', '..'): continue
path = os.path.join(dir, file)
if os.path.isdir(path):
continue
if len(file) > 2 and file[-2:] == '.sgml':
parse_tmpl(open(path, 'r'), doc_dict)
return doc_dict
|
