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#!/usr/bin/env python3
########################################################################
#
# Copyright (c) 2010 Jonas Jensen, Miklos Vajna
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
########################################################################
import sys
import re
import subprocess
import os
import argparse
import string
class Parser:
"""
This parser extracts comments from source files, tries to guess
their language and then prints out the german ones.
"""
def __init__(self):
self.strip = string.punctuation + " \n"
self.text_cat = self.start_text_cat()
parser = argparse.ArgumentParser(description='Searches for german comments in cxx/hxx source files inside a given root directory recursively.')
parser.add_argument("-f", "--filenames-only", action="store_true",
help="Only print the filenames of files containing German comments")
parser.add_argument("-v", "--verbose", action="store_true",
help="Turn on verbose mode (print only positives progress to stderr)")
parser.add_argument("-l", "--line-numbers", action="store_true",
help="Prints the filenames and line numbers only.")
parser.add_argument("-L", "--line-numbers-pos", action="store_true",
help="Prints the filenames and line numbers only (if positive).")
parser.add_argument("-t", "--threshold", action="store", default=0, type=int,
help="When used with '--line-numbers', only bothers outputting comment info if there are more than X number of flagged comments. Useful for weeding out false positives.")
parser.add_argument("directory", nargs='?', default='.', type=str, help='Give a directory to search in')
self.args = parser.parse_args()
self.check_source_files(self.args.directory)
def get_comments(self, filename):
"""
Extracts the source code comments.
"""
linenum = 0
if self.args.verbose:
print("processing file '%s'...\n" % filename)
sock = open(filename)
# add an empty line to trigger the output of collected oneliner
# comment group
lines = sock.readlines() + ["\n"]
sock.close()
in_comment = False
buf = []
count = 1
for i in lines:
if "//" in i and not in_comment:
# if we find a new //-style comment, then we
# just append it to a previous one if: there is
# only whitespace before the // mark that is
# necessary to make comments longer, giving
# more reliable output
if not len(re.sub("(.*)//.*", r"\1", i).strip(self.strip)):
s = re.sub(".*// ?", "", i).strip(self.strip)
if len(s):
buf.append(s)
else:
# otherwise it's an independent //-style comment in the next line
yield (count, "\n ".join(buf))
buf = [re.sub(".*// ?", "", i.strip(self.strip))]
elif "//" not in i and not in_comment and len(buf) > 0:
# first normal line after a // block
yield (count, "\n ".join(buf))
buf = []
elif "/*" in i and "*/" not in i and not in_comment:
# start of a real multiline comment
in_comment = True
linenum = count
s = re.sub(".*/\*+", "", i.strip(self.strip))
if len(s):
buf.append(s.strip(self.strip))
elif in_comment and not "*/" in i:
# in multiline comment
s = re.sub("^( |\|)*\*?", "", i)
if len(s.strip(self.strip)):
buf.append(s.strip(self.strip))
elif "*/" in i and in_comment:
# end of multiline comment
in_comment = False
s = re.sub(r"\*+/.*", "", i.strip(self.strip))
if len(s):
buf.append(s)
yield (count, "\n ".join(buf))
buf = []
elif "/*" in i and "*/" in i:
# c-style oneliner comment
yield (count, re.sub(".*/\*(.*)\*/.*", r"\1", i).strip(self.strip))
count += 1
def start_text_cat(self):
cwd = os.getcwd()
# change to our directory
os.chdir(os.path.split(os.path.abspath(sys.argv[0]))[0])
sock = subprocess.Popen(["text_cat/text_cat", "-s", "-d", "text_cat/LM"], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
os.chdir(cwd)
return sock
def get_lang(self, s):
""" the output is 'german' or 'english' or 'german or english'. when
unsure, just don't warn, there are strings where you just can't
teremine the results reliably, like '#110680#' """
self.text_cat.stdin.write(bytes(s, 'utf-8'))
self.text_cat.stdin.write(bytes("\n", 'utf-8'))
self.text_cat.stdin.flush()
lang = self.text_cat.stdout.readline().strip()
return lang
def is_german(self, s):
"""
determines if a string is german or not
"""
# for short strings we can't do reliable recognition, so skip
# short strings and less than 4 words
s = s.replace('\n', ' ')
if len(s) < 32 or len(s.split()) < 4:
return False
return self.get_lang(s) == b"german"
def check_file(self, path):
"""
checks each comment in a file
"""
def tab_calc(path):
START = 40 #Default of 10 tabs
if len(path) >= START:
return 1
diff = START - len(path)
if diff % 4 is not 0:
padding = 1
else:
padding = 0
return (diff/4)+padding
if self.args.line_numbers or self.args.line_numbers_pos:
TABS = "\t"*10
path_linenums = []
for linenum, s in self.get_comments(path):
if self.is_german(s):
path_linenums.append(linenum)
valid = len(path_linenums) > int(self.args.threshold)
if self.args.line_numbers:
print("%s ... %s positives -- %s\n" % (path, str(len(path_linenums)), str(valid)))
if valid:
if self.args.line_numbers_pos:
print("%s ... %s positives\n" % (path, str(len(path_linenums))))
return
if len(path) + (len(path_linenums)*4) > 75:
print("%s:\n" % path)
while path_linenums:
i = 0
numline = []
while i < 10:
try:
numline.append(path_linenums[0])
path_linenums.remove(path_linenums[0])
except IndexError:
i = 10
i += 1
numline = [str(i) for i in numline]
print("%s%s" % (TABS, ",".join(numline)))
else:
if self.args.line_numbers:
path_linenums = [str(i) for i in path_linenums]
print("%s:%s%s" % (path, "\t"*int(tab_calc(path)), ",".join(path_linenums)))
elif not self.args.filenames_only:
for linenum, s in self.get_comments(path):
if self.is_german(s):
print("%s:%s: %s" % (path, linenum, s))
else:
fnames = set([])
for linenum, s in self.get_comments(path):
if self.is_german(s):
# Make sure we print each filename only once
fnames.add(path)
# Print the filenames
for f in fnames:
print(f)
def first_elem(self, path):
"""
Returns the root directory in our repo of a given path, so we can check against the whitelist.
"""
lastElem = os.path.dirname(path)
done = False
while not done:
nextElem = os.path.split(lastElem)[0]
if nextElem is not '':
lastElem = nextElem
else:
done = True
return lastElem
def check_source_files(self, directory):
"""
checks each _tracked_ file in a directory recursively
"""
# top-level project directory -> use whitelist.
globalscan = False
if os.path.exists(directory + "/.git/config"):
globalscan = True
# Change into the given dir, so "git ls-tree" does work.
os.chdir(directory)
sock = os.popen(r"git ls-tree -r HEAD --name-only |egrep '\.(c|cc|cpp|cxx|h|hxx|mm)$'")
lines = sock.readlines()
sock.close()
# Helps to speedup a global scan
directory_whitelist = {
"ure" : 1,
"ios" : 1,
"bean" : 1,
"apple_remote" : 1,
"UnoControls" : 1,
"accessibility" : 1,
"android" : 1,
"animations" : 1,
"avmedia" : 1,
"basctl" : 1,
"basegfx" : 1,
"basic" : 1,
"binaryurp" : 1,
"bridges" : 1,
"canvas" : 1,
"chart2" : 1,
"cli_ure" : 1,
"codemaker" : 1,
"comphelper" : 1,
"compilerplugins" : 1,
"configmgr" : 1,
"connectivity" : 1,
"cppcanvas" : 1,
"cppu" : 1,
"cppuhelper" : 1,
"cpputools" : 1,
"cui" : 1,
"dbaccess" : 1,
"desktop" : 1,
"drawinglayer" : 1,
"dtrans" : 1,
"editeng" : 1,
"embeddedobj" : 1,
"embedserv" : 1,
"eventattacher" : 1,
"extensions" : 1,
"external" : 1,
"filter" : 1,
"forms" : 1,
"formula" : 1,
"fpicker" : 1,
"framework" : 1,
"helpcompiler" : 1,
"hwpfilter" : 1,
"i18npool" : 1,
"i18nlangtag" : 1,
"i18nutil" : 1,
"idl" : 1,
"idlc" : 1,
"include" : 1,
"io" : 1,
"javaunohelper" : 1,
"jvmaccess" : 1,
"jvmfwk" : 1,
"jurt" : 1,
"l10ntools" : 1,
"libreofficekit" : 1,
"lingucomponent" : 1,
"linguistic" : 1,
"lotuswordpro" : 1,
"mysqlc" : 1,
"o3tl" : 1,
"odk" : 1,
"officecfg" : 1,
"onlineupdate" : 1,
"opencl" : 1,
"oox" : 1,
"package" : 1,
"postprocess" : 1,
"pyuno" : 1,
"registry" : 1,
"remotebridges" : 1,
"reportdesign" : 1,
"rsc" : 1,
"sal" : 1,
"salhelper" : 1,
"sax" : 1,
"sc" : 1,
"scaddins" : 1,
"sccomp" : 1,
"scripting" : 1,
"sd" : 1,
"sdext" : 1,
"sfx2" : 1,
"shell" : 1,
"setup_native" : 1,
"sot" : 1,
"slideshow" : 1,
"smoketest" : 1,
"solenv" : 1,
"soltools" : 1,
"starmath" : 1,
"stoc" : 1,
"store" : 1,
"svgio" : 1,
"svl" : 1,
"svtools" : 1,
"svx" : 0, #
"sw" : 0, #
"test" : 1,
"testtools" : 1,
"toolkit" : 1,
"tools" : 1,
"touch" : 1,
"ucb" : 1,
"ucbhelper" : 1,
"unodevtools" : 1,
"unotest" : 1,
"unoidl" : 1,
"unotools" : 1,
"unoxml" : 1,
"uui" : 1,
"vbahelper" : 1,
"vcl" : 1,
"winaccessibility" : 1,
"writerfilter" : 1,
"writerperfect" : 1,
"xmlhelp" : 1,
"xmloff" : 1,
"xmlreader" : 1,
"xmlsecurity" : 1,
"xmlscript" : 1,
}
if globalscan:
print("Scanning all files globally:")
elif directory == '.':
print("Scanning all files in our current directory:")
else:
print("Scanning all files in", directory + ":")
num_checked = 0
for path in lines:
baseDir = self.first_elem(path)
# If we have an globalscan use the whitelist.
if globalscan:
if not baseDir in directory_whitelist:
sys.stderr.write("\n - Error: Missing path %s -\n\n" % baseDir)
sys.exit(1)
elif directory_whitelist[baseDir] is 0:
self.check_file(path.strip())
num_checked = num_checked + 1
elif directory_whitelist[baseDir] is 1:
sys.stderr.write("Skipping whitelisted directory %s\n" % baseDir)
directory_whitelist[baseDir] = 2
elif not globalscan:
self.check_file(path.strip())
num_checked = num_checked + 1
print("Scanned %s files\n" % num_checked)
try:
Parser()
except KeyboardInterrupt:
print("Interrupted!")
sys.exit(0)
# vim:set shiftwidth=4 softtabstop=4 expandtab:
|