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
|
# Copyright (C) 2010 Daniel Burrows
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING. If not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
# MA 02111-1307, USA.
import errno
import xml.parsers.expat
from SCons.Script import File, Scanner
def exists():
return True
def generate(env):
env.Append(SCANNERS = XMLExternalEntitiesScanner)
def XMLExternalEntities(node, env, path):
result = []
class Finished:
pass
def entity_decl(entityName,
is_parameter_entity,
value,
base,
systemId,
publicId,
notationName):
if value is None:
result.append(systemId)
def start_element(name, attrs):
raise Finished()
try:
infile = file(node.path)
except EnvironmentError, e:
if e.errno == errno.ENOENT:
return []
else:
raise
try:
parser = xml.parsers.expat.ParserCreate()
parser.StartElementHandler = start_element
parser.EntityDeclHandler = entity_decl
parser.ParseFile(infile)
except Finished:
pass
except xml.parsers.expat.ExpatError, e:
print e
# Probably an XML syntax error -- don't blow up the scanner
# for that!
pass
finally:
infile.close()
return result
XMLExternalEntitiesScanner = Scanner(function = XMLExternalEntities,
skeys = [ '.xml' ],
recursive = True,
)
|
