1 files changed, 77 insertions, 0 deletions
diff --git a/Tools/Scripts/webkitpy/common/system/directoryfileset.py b/Tools/Scripts/webkitpy/common/system/directoryfileset.py
new file mode 100644
index 0000000..11acaf4
--- /dev/null
+++ b/Tools/Scripts/webkitpy/common/system/directoryfileset.py
@@ -0,0 +1,77 @@
+# 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 __future__ import with_statement
+
+import os
+import shutil
+
+from webkitpy.common.system.fileset import FileSetFileHandle
+from webkitpy.common.system.filesystem import FileSystem
+import webkitpy.common.system.ospath as ospath
+
+
+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(os.path.sep):
+            self._path += os.path.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(ospath.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(os.path.split(dest)[0])
+        self._filesystem.copyfile(src, dest)
+
+    def delete(self, filename):
+        filename = self._full_path(filename)
+        self._filesystem.remove(filename)