| # Copyright (C) 2010 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: |
| # |
| # 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 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 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. |
| |
| from webkitpy.common.system.fileset import FileSetFileHandle |
| from webkitpy.common.system.filesystem import FileSystem |
| |
| |
| class DirectoryFileSet(object): |
| """The set of files under a local directory.""" |
| def __init__(self, path, filesystem=None): |
| self._path = path |
| self._filesystem = filesystem or FileSystem() |
| if not self._path.endswith(self._filesystem.sep): |
| self._path += self._filesystem.sep |
| |
| def _full_path(self, filename): |
| assert self._is_under(self._path, filename) |
| return self._filesystem.join(self._path, filename) |
| |
| def _drop_directory_prefix(self, path): |
| return path[len(self._path):] |
| |
| def _files_in_directory(self): |
| """Returns a list of all the files in the directory, including the path |
| to the directory""" |
| return self._filesystem.files_under(self._path) |
| |
| def _is_under(self, dir, filename): |
| return bool(self._filesystem.relpath(self._filesystem.join(dir, filename), dir)) |
| |
| def open(self, filename): |
| return FileSetFileHandle(self, filename, self._filesystem) |
| |
| def namelist(self): |
| return map(self._drop_directory_prefix, self._files_in_directory()) |
| |
| def read(self, filename): |
| return self._filesystem.read_text_file(self._full_path(filename)) |
| |
| def extract(self, filename, path): |
| """Extracts a file from this file set to the specified directory.""" |
| src = self._full_path(filename) |
| dest = self._filesystem.join(path, filename) |
| # As filename may have slashes in it, we must ensure that the same |
| # directory hierarchy exists at the output path. |
| self._filesystem.maybe_make_directory(self._filesystem.dirname(dest)) |
| self._filesystem.copyfile(src, dest) |
| |
| def delete(self, filename): |
| filename = self._full_path(filename) |
| self._filesystem.remove(filename) |