xref: /aosp_15_r20/external/bazel-skylib/rules/directory/providers.bzl (revision bcb5dc7965af6ee42bf2f21341a2ec00233a8c8a)
1*bcb5dc79SHONG Yifan# Copyright 2024 The Bazel Authors. All rights reserved.
2*bcb5dc79SHONG Yifan#
3*bcb5dc79SHONG Yifan# Licensed under the Apache License, Version 2.0 (the "License");
4*bcb5dc79SHONG Yifan# you may not use this file except in compliance with the License.
5*bcb5dc79SHONG Yifan# You may obtain a copy of the License at
6*bcb5dc79SHONG Yifan#
7*bcb5dc79SHONG Yifan#    http://www.apache.org/licenses/LICENSE-2.0
8*bcb5dc79SHONG Yifan#
9*bcb5dc79SHONG Yifan# Unless required by applicable law or agreed to in writing, software
10*bcb5dc79SHONG Yifan# distributed under the License is distributed on an "AS IS" BASIS,
11*bcb5dc79SHONG Yifan# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12*bcb5dc79SHONG Yifan# See the License for the specific language governing permissions and
13*bcb5dc79SHONG Yifan# limitations under the License.
14*bcb5dc79SHONG Yifan
15*bcb5dc79SHONG Yifan"""Skylib module containing providers for directories."""
16*bcb5dc79SHONG Yifan
17*bcb5dc79SHONG Yifanload("//rules/directory/private:glob.bzl", "glob")
18*bcb5dc79SHONG Yifanload("//rules/directory/private:paths.bzl", "DIRECTORY", "FILE", "get_path")
19*bcb5dc79SHONG Yifan
20*bcb5dc79SHONG Yifandef _init_directory_info(**kwargs):
21*bcb5dc79SHONG Yifan    self = struct(**kwargs)
22*bcb5dc79SHONG Yifan    kwargs.update(
23*bcb5dc79SHONG Yifan        get_path = lambda path: get_path(self, path, require_type = None),
24*bcb5dc79SHONG Yifan        get_file = lambda path: get_path(self, path, require_type = FILE),
25*bcb5dc79SHONG Yifan        get_subdirectory = lambda path: get_path(self, path, require_type = DIRECTORY),
26*bcb5dc79SHONG Yifan        glob = lambda include, exclude = [], allow_empty = False: glob(self, include, exclude, allow_empty),
27*bcb5dc79SHONG Yifan    )
28*bcb5dc79SHONG Yifan    return kwargs
29*bcb5dc79SHONG Yifan
30*bcb5dc79SHONG Yifan# TODO: Once bazel 5 no longer needs to be supported, remove this function, and add
31*bcb5dc79SHONG Yifan# init = _init_directory_info to the provider below
32*bcb5dc79SHONG Yifan# buildifier: disable=function-docstring
33*bcb5dc79SHONG Yifandef create_directory_info(**kwargs):
34*bcb5dc79SHONG Yifan    return DirectoryInfo(**_init_directory_info(**kwargs))
35*bcb5dc79SHONG Yifan
36*bcb5dc79SHONG YifanDirectoryInfo = provider(
37*bcb5dc79SHONG Yifan    doc = "Information about a directory",
38*bcb5dc79SHONG Yifan    # @unsorted-dict-items
39*bcb5dc79SHONG Yifan    fields = {
40*bcb5dc79SHONG Yifan        "entries": "(Dict[str, Either[File, DirectoryInfo]]) The entries contained directly within. Ordered by filename",
41*bcb5dc79SHONG Yifan        "transitive_files": "(depset[File]) All files transitively contained within this directory.",
42*bcb5dc79SHONG Yifan        "path": "(string) Path to all files contained within this directory.",
43*bcb5dc79SHONG Yifan        "human_readable": "(string) A human readable identifier for a directory. Useful for providing error messages to a user.",
44*bcb5dc79SHONG Yifan        "get_path": "(Function(str) -> DirectoryInfo|File) A function to return the entry corresponding to the joined path.",
45*bcb5dc79SHONG Yifan        "get_file": "(Function(str) -> File) A function to return the entry corresponding to the joined path.",
46*bcb5dc79SHONG Yifan        "get_subdirectory": "(Function(str) -> DirectoryInfo) A function to return the entry corresponding to the joined path.",
47*bcb5dc79SHONG Yifan        "glob": "(Function(include, exclude, allow_empty=False)) A function that works the same as native.glob.",
48*bcb5dc79SHONG Yifan    },
49*bcb5dc79SHONG Yifan)
50