3
# Common lint functions applicable to multiple types of files.
7
def VerifyLineLength(filename, lines, max_length):
8
"""Checks to make sure the file has no lines with lines exceeding the length
12
filename: the file under consideration as string
13
lines: contents of the file as string array
14
max_length: maximum acceptable line length as number
17
A list of tuples with format [(filename, line number, msg), ...] with any
23
length = len(line.rstrip('\n'))
24
if length > max_length:
25
lint.append((filename, line_num,
26
'Line exceeds %d chars (%d)' % (max_length, length)))
30
def VerifyTabs(filename, lines):
31
"""Checks to make sure the file has no tab characters.
34
filename: the file under consideration as string
35
lines: contents of the file as string array
38
A list of tuples with format [(line_number, msg), ...] with any violations
42
tab_re = re.compile(r'\t')
45
if tab_re.match(line.rstrip('\n')):
46
lint.append((filename, line_num, 'Tab found instead of whitespace'))
51
def VerifyTrailingWhitespace(filename, lines):
52
"""Checks to make sure the file has no lines with trailing whitespace.
55
filename: the file under consideration as string
56
lines: contents of the file as string array
59
A list of tuples with format [(filename, line number, msg), ...] with any
63
trailing_whitespace_re = re.compile(r'\s+$')
66
if trailing_whitespace_re.match(line.rstrip('\n')):
67
lint.append((filename, line_num, 'Trailing whitespace'))
73
def RunOnFile(filename, lines):
74
raise Exception('RunOnFile() unimplemented')
77
def RunLintOverAllFiles(linter, filenames):
78
"""Runs linter over the contents of all files.
81
lint: subclass of BaseLint, implementing RunOnFile()
82
filenames: list of all files whose contents will be linted
85
A list of tuples with format [(filename, line number, msg), ...] with any
89
for filename in filenames:
90
file = open(filename, 'r')
92
print 'Cound not open %s' % filename
94
lines = file.readlines()
95
lint.extend(linter.RunOnFile(filename, lines))