1 # Copyright (C) 2010 Chris Jerdonek (cjerdonek (at] webkit.org) 2 # 3 # Redistribution and use in source and binary forms, with or without 4 # modification, are permitted provided that the following conditions 5 # are met: 6 # 1. Redistributions of source code must retain the above copyright 7 # notice, this list of conditions and the following disclaimer. 8 # 2. Redistributions in binary form must reproduce the above copyright 9 # notice, this list of conditions and the following disclaimer in the 10 # documentation and/or other materials provided with the distribution. 11 # 12 # THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 13 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 14 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 15 # DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 16 # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 17 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 18 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 19 # ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 20 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 # SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 23 """References to non-style modules used by the style package.""" 24 25 # This module is a simple facade to the functionality used by the 26 # style package that comes from WebKit modules outside the style 27 # package. 28 # 29 # With this module, the only intra-package references (i.e. 30 # references to webkitpy modules outside the style folder) that 31 # the style package needs to make are relative references to 32 # this module. For example-- 33 # 34 # > from .. style_references import parse_patch 35 # 36 # Similarly, people maintaining non-style code are not beholden 37 # to the contents of the style package when refactoring or 38 # otherwise changing non-style code. They only have to be aware 39 # of this module. 40 41 import os 42 43 from diff_parser import DiffParser 44 from scm import detect_scm_system 45 46 47 def parse_patch(patch_string): 48 49 """Parse a patch string and return the affected files.""" 50 51 patch = DiffParser(patch_string.splitlines()) 52 return patch.files 53 54 55 class SimpleScm(object): 56 57 """Simple facade to SCM for use by style package.""" 58 59 def __init__(self): 60 cwd = os.path.abspath('.') 61 self._scm = detect_scm_system(cwd) 62 63 def checkout_root(self): 64 """Return the source control root as an absolute path.""" 65 return self._scm.checkout_root 66 67 def create_patch(self): 68 return self._scm.create_patch() 69 70 def create_patch_since_local_commit(self, commit): 71 return self._scm.create_patch_since_local_commit(commit) 72 73