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# Copyright (C) 2010 Chris Jerdonek (cjerdonek@webkit.org)
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. 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.
#
# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
"""References to non-style modules used by the style package."""
# This module is a simple facade to the functionality used by the
# style package that comes from WebKit modules outside the style
# package.
#
# With this module, the only intra-package references (i.e.
# references to webkitpy modules outside the style folder) that
# the style package needs to make are relative references to
# this module. For example--
#
# > from .. style_references import parse_patch
#
# Similarly, people maintaining non-style code are not beholden
# to the contents of the style package when refactoring or
# otherwise changing non-style code. They only have to be aware
# of this module.
import os
from diff_parser import DiffParser
from scm import detect_scm_system
def parse_patch(patch_string):
"""Parse a patch string and return the affected files."""
patch = DiffParser(patch_string.splitlines())
return patch.files
class SimpleScm(object):
"""Simple facade to SCM for use by style package."""
def __init__(self):
cwd = os.path.abspath('.')
self._scm = detect_scm_system(cwd)
def checkout_root(self):
"""Return the source control root as an absolute path."""
return self._scm.checkout_root
def create_patch(self):
return self._scm.create_patch()
def create_patch_since_local_commit(self, commit):
return self._scm.create_patch_since_local_commit(commit)
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