Add support for hidden config file

Add optional support for parsing config files named .cpplint.cfg.

Enables hidden config files for cpplint.

Updated documentation/comment to reflect the change.
This commit is contained in:
Sebastian Jegerås 2020-12-15 17:45:08 +01:00
parent d5b5104763
commit b4340c2129

24
cpplint/cpplint.py vendored
View File

@ -153,8 +153,9 @@ Syntax: cpplint.py [--verbose=#] [--output=vs7] [--filter=-x,+y,...]
--headers=hpp,hxx
--headers=hpp
cpplint.py supports per-directory configurations specified in CPPLINT.cfg
files. CPPLINT.cfg file can contain a number of key=value pairs.
cpplint.py supports per-directory configurations specified in a config file.
Named either "CPPLINT.cfg" or ".cpplint.cfg" if the first doesn't exist.
The config file can contain a number of key=value pairs.
Currently the following options are supported:
set noparent
@ -179,12 +180,13 @@ Syntax: cpplint.py [--verbose=#] [--output=vs7] [--filter=-x,+y,...]
"linelength" allows to specify the allowed line length for the project.
The "root" option is similar in function to the --root flag (see example
above). Paths are relative to the directory of the CPPLINT.cfg.
above).
Paths are relative to the directory of the config file.
The "headers" option is similar in function to the --headers flag
(see example above).
CPPLINT.cfg has an effect on files in the same directory and all
The config file has an effect on files in the same directory and all
sub-directories, unless overridden by a nested configuration file.
Example file:
@ -4301,7 +4303,7 @@ def GetLineWidth(line):
is_low_surrogate = 0xDC00 <= ord(uc) <= 0xDFFF
if not is_wide_build and is_low_surrogate:
width -= 1
width += 1
return width
else:
@ -5961,7 +5963,11 @@ def ProcessConfigOverrides(filename):
if not base_name:
break # Reached the root directory.
# First try to read from "CPPLINT.cfg", if it doesn't exist
# try to read from ".cpplint.cfg"
cfg_file = os.path.join(abs_path, "CPPLINT.cfg")
if not os.path.exists(cfg_file):
cfg_file = os.path.join(abs_path, ".cpplint.cfg")
abs_filename = abs_path
if not os.path.isfile(cfg_file):
continue
@ -5984,9 +5990,9 @@ def ProcessConfigOverrides(filename):
# When matching exclude_files pattern, use the base_name of
# the current file name or the directory name we are processing.
# For example, if we are checking for lint errors in /foo/bar/baz.cc
# and we found the .cfg file at /foo/CPPLINT.cfg, then the config
# file's "exclude_files" filter is meant to be checked against "bar"
# and not "baz" nor "bar/baz.cc".
# and we found the .cfg file at /foo/*.cfg,
# then the config file's "exclude_files" filter is meant to be checked
# against "bar" and not "baz" nor "bar/baz.cc".
if base_name:
pattern = re.compile(val)
if pattern.match(base_name):
@ -6006,7 +6012,7 @@ def ProcessConfigOverrides(filename):
sys.stderr.write('Line length must be numeric.')
elif name == 'root':
global _root
# root directories are specified relative to CPPLINT.cfg dir.
# root directories are specified relative to the dir of the config file.
_root = os.path.join(os.path.dirname(cfg_file), val)
elif name == 'headers':
ProcessHppHeadersOption(val)