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      1 # -*- coding: utf-8 -*-
      2 
      3 #-------------------------------------------------------------------------
      4 # drawElements Quality Program utilities
      5 # --------------------------------------
      6 #
      7 # Copyright 2015 The Android Open Source Project
      8 #
      9 # Licensed under the Apache License, Version 2.0 (the "License");
     10 # you may not use this file except in compliance with the License.
     11 # You may obtain a copy of the License at
     12 #
     13 #      http://www.apache.org/licenses/LICENSE-2.0
     14 #
     15 # Unless required by applicable law or agreed to in writing, software
     16 # distributed under the License is distributed on an "AS IS" BASIS,
     17 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     18 # See the License for the specific language governing permissions and
     19 # limitations under the License.
     20 #
     21 #-------------------------------------------------------------------------
     22 
     23 import sys
     24 from argparse import ArgumentParser
     25 from common import getChangedFiles, getAllProjectFiles, isTextFile
     26 
     27 def checkFileWhitespace (file):
     28     f = open(file, 'rb')
     29     error = False
     30     for lineNum, line in enumerate(f):
     31         if line.endswith(" \n") or line.endswith("\t\n"):
     32             error = True
     33             print "%s:%i trailing whitespace" % (file, lineNum+1)
     34         if " \t" in line:
     35             error = True
     36             print "%s:%i merged <space><tab>" % (file, lineNum+1)
     37         if line.endswith("\r") or line.endswith("\r\n"):
     38             error = True
     39             print "%s:%i incorrect line ending" % (file, lineNum+1)
     40     f.close()
     41 
     42     return not error
     43 
     44 def checkWhitespace (files):
     45     error = False
     46     for file in files:
     47         if isTextFile(file):
     48             if not checkFileWhitespace(file):
     49                 error = True
     50 
     51     return not error
     52 
     53 if __name__ == "__main__":
     54     parser = ArgumentParser()
     55     parser.add_argument("-e", "--only-errors",  action="store_true", dest="onlyErrors",   default=False, help="Print only on error")
     56     parser.add_argument("-i", "--only-changed", action="store_true", dest="useGitIndex",  default=False, help="Check only modified files. Uses git.")
     57 
     58     args = parser.parse_args()
     59 
     60     if args.useGitIndex:
     61         files = getChangedFiles()
     62     else:
     63         files = getAllProjectFiles()
     64 
     65     error = not checkWhitespace(files)
     66 
     67     if error:
     68         print "One or more checks failed"
     69         sys.exit(1)
     70     if not args.onlyErrors:
     71         print "All checks passed"
     72