Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 130 insertions, 0 deletions

diff --git a/chrome/tools/inconsistent-eol.py b/chrome/tools/inconsistent-eol.py
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+++ b/chrome/tools/inconsistent-eol.py
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+#!/bin/env python
+# Copyright 2008, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#    * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#    * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""Find and fix files with inconsistent line endings.
+
+This script requires 'dos2unix.exe' and 'unix2dos.exe' from Cygwin; they
+must be in the user's PATH.
+
+Arg: a file containing a list of relative or absolute file paths.  The
+    argument passed to this script, as well as the paths in the file, may be
+    relative paths or absolute Windows-style paths (with either type of
+    slash).  The list might be generated with 'find -type f' or extracted from
+    a gvn changebranch listing, for example.
+"""
+
+import errno
+import logging
+import subprocess
+import sys
+
+
+# Whether to produce excessive debugging output for each file in the list.
+DEBUGGING = False
+
+
+class Error(Exception):
+  """Local exception class."""
+  pass
+
+
+def CountChars(text, str):
+  """Count the number of instances of the given string in the text."""
+  split = text.split(str)
+  logging.debug(len(split) - 1)
+  return len(split) - 1
+
+def PrevailingEOLName(crlf, cr, lf):
+  """Describe the most common line ending.
+
+  Args:
+    crlf: How many CRLF (\r\n) sequences are in the file.
+    cr: How many CR (\r) characters are in the file, excluding CRLF sequences.
+    lf: How many LF (\n) characters are in the file, excluding CRLF sequences.
+
+  Returns:
+    A string describing the most common of the three line endings.
+  """
+  most = max(crlf, cr, lf)
+  if most == cr:
+    return 'cr'
+  if most == crlf:
+    return 'crlf'
+  return 'lf'
+
+def FixEndings(file, crlf, cr, lf):
+  """Change the file's line endings to CRLF or LF, whichever is more common."""
+  most = max(crlf, cr, lf)
+  if most == crlf:
+    result = subprocess.call('unix2dos.exe %s' % file, shell=True)
+    if result:
+      raise Error('Error running unix2dos.exe %s' % file)
+  else:
+    result = subprocess.call('dos2unix.exe %s' % file, shell=True)
+    if result:
+      raise Error('Error running dos2unix.exe %s' % file)
+
+
+def main(argv=None):
+  """Process the list of files."""
+  if not argv or len(argv) < 2:
+    raise Error('No file list given.')
+
+  for filename in open(argv[1], 'r'):
+    filename = filename.strip()
+    logging.debug(filename)
+    try:
+      # Open in binary mode to preserve existing line endings.
+      text = open(filename, 'rb').read()
+    except IOError, e:
+      if e.errno != errno.ENOENT:
+        raise
+      logging.warning('File %s not found.' % filename)
+      continue
+    crlf = CountChars(text, '\r\n')
+    cr = CountChars(text, '\r') - crlf
+    lf = CountChars(text, '\n') - crlf
+
+    if ((crlf > 0 and cr > 0) or
+        (crlf > 0 and lf > 0) or
+        (  lf > 0 and cr > 0)):
+      print ('%s: mostly %s' % (filename, PrevailingEOLName(crlf, cr, lf)))
+      FixEndings(filename, crlf, cr, lf)
+
+if '__main__' == __name__:
+  if DEBUGGING:
+    debug_level = logging.DEBUG
+  else:
+    debug_level = logging.INFO
+  logging.basicConfig(level=debug_level,
+                      format='%(asctime)s %(levelname)-7s: %(message)s',
+                      datefmt='%H:%M:%S')
+
+  sys.exit(main(sys.argv))