diff options
Diffstat (limited to 'rules/android_packaged_resources/rule.bzl')
-rw-r--r-- | rules/android_packaged_resources/rule.bzl | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/rules/android_packaged_resources/rule.bzl b/rules/android_packaged_resources/rule.bzl new file mode 100644 index 0000000..db3f96a --- /dev/null +++ b/rules/android_packaged_resources/rule.bzl @@ -0,0 +1,91 @@ +# Copyright 2020 The Bazel Authors. All rights reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Starlark Resource Packaging for Android Rules.""" + +load(":attrs.bzl", "ATTRS") +load(":impl.bzl", "impl") +load( + "@rules_android//rules:attrs.bzl", + _attrs = "attrs", +) + +_DEFAULT_ALLOWED_ATTRS = ["name", "visibility", "tags", "testonly", "transitive_configs", "$enable_manifest_merging"] + +_DEFAULT_PROVIDES = [AndroidApplicationResourceInfo, OutputGroupInfo] + +# TODO(b/167721629): Rename android_packaged_resources to android_binary_internal. +def make_rule( + attrs = ATTRS, + implementation = impl, + provides = _DEFAULT_PROVIDES): + """Makes the rule. + + Args: + attrs: A dict. The attributes for the rule. + implementation: A function. The rule's implementation method. + provides: A list. The providers that the rule must provide. + + Returns: + A rule. + """ + return rule( + attrs = attrs, + implementation = implementation, + provides = provides, + toolchains = ["@rules_android//toolchains/android:toolchain_type"], + _skylark_testable = True, + fragments = [ + "android", + "java", + ], + ) + +_android_packaged_resources = make_rule() + +def sanitize_attrs(attrs, allowed_attrs = ATTRS.keys()): + """Sanitizes the attributes. + + The android_packaged_resources has a subset of the android_binary attributes, but is + called from the android_binary macro with the same full set of attributes. This removes + any unnecessary attributes. + + Args: + attrs: A dict. The attributes for the android_packaged_resources rule. + allowed_attrs: The list of attribute keys to keep. + + Returns: + A dictionary containing valid attributes. + """ + for attr_name in attrs.keys(): + if attr_name not in allowed_attrs and attr_name not in _DEFAULT_ALLOWED_ATTRS: + attrs.pop(attr_name, None) + + # Some teams set this to a boolean/None which works for the native attribute but breaks + # the Starlark attribute. + if attr_name == "shrink_resources": + if attrs[attr_name] == None: + attrs.pop(attr_name, None) + else: + attrs[attr_name] = _attrs.tristate.normalize(attrs[attr_name]) + + return attrs + +def android_packaged_resources_macro(**attrs): + """android_packaged_resources rule. + + Args: + **attrs: Rule attributes + """ + _android_packaged_resources(**sanitize_attrs(attrs)) |