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# 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.
"""Implementation."""
load("//rules:acls.bzl", "acls")
load("//rules:java.bzl", "java")
load(
"//rules:processing_pipeline.bzl",
"ProviderInfo",
"processing_pipeline",
)
load("//rules:resources.bzl", _resources = "resources")
load("//rules:utils.bzl", "compilation_mode", "get_android_toolchain", "utils")
load(
"//rules:native_deps.bzl",
_process_native_deps = "process",
)
def _process_manifest(ctx, **unused_ctxs):
manifest_ctx = _resources.bump_min_sdk(
ctx,
manifest = ctx.file.manifest,
floor = _resources.DEPOT_MIN_SDK_FLOOR if (_is_test_binary(ctx) and acls.in_enforce_min_sdk_floor_rollout(str(ctx.label))) else 0,
enforce_min_sdk_floor_tool = get_android_toolchain(ctx).enforce_min_sdk_floor_tool.files_to_run,
)
return ProviderInfo(
name = "manifest_ctx",
value = manifest_ctx,
)
def _process_resources(ctx, manifest_ctx, java_package, **unused_ctxs):
packaged_resources_ctx = _resources.package(
ctx,
assets = ctx.files.assets,
assets_dir = ctx.attr.assets_dir,
resource_files = ctx.files.resource_files,
manifest = manifest_ctx.processed_manifest,
manifest_values = utils.expand_make_vars(ctx, ctx.attr.manifest_values),
resource_configs = ctx.attr.resource_configuration_filters,
densities = ctx.attr.densities,
nocompress_extensions = ctx.attr.nocompress_extensions,
java_package = java_package,
compilation_mode = compilation_mode.get(ctx),
shrink_resources = ctx.attr.shrink_resources,
use_android_resource_shrinking = ctx.fragments.android.use_android_resource_shrinking,
use_android_resource_cycle_shrinking = ctx.fragments.android.use_android_resource_cycle_shrinking,
use_legacy_manifest_merger = use_legacy_manifest_merger(ctx),
should_throw_on_conflict = not acls.in_allow_resource_conflicts(str(ctx.label)),
enable_data_binding = ctx.attr.enable_data_binding,
enable_manifest_merging = ctx.attr._enable_manifest_merging,
deps = utils.dedupe_split_attr(ctx.split_attr.deps),
instruments = ctx.attr.instruments,
aapt = get_android_toolchain(ctx).aapt2.files_to_run,
android_jar = ctx.attr._android_sdk[AndroidSdkInfo].android_jar,
legacy_merger = ctx.attr._android_manifest_merge_tool.files_to_run,
xsltproc = ctx.attr._xsltproc_tool.files_to_run,
instrument_xslt = ctx.file._add_g3itr_xslt,
busybox = get_android_toolchain(ctx).android_resources_busybox.files_to_run,
host_javabase = ctx.attr._host_javabase,
)
return ProviderInfo(
name = "packaged_resources_ctx",
value = packaged_resources_ctx,
)
def _validate_manifest(ctx, packaged_resources_ctx, **unused_ctxs):
manifest_validation_ctx = _resources.validate_min_sdk(
ctx,
manifest = packaged_resources_ctx.processed_manifest,
floor = _resources.DEPOT_MIN_SDK_FLOOR if acls.in_enforce_min_sdk_floor_rollout(str(ctx.label)) else 0,
enforce_min_sdk_floor_tool = get_android_toolchain(ctx).enforce_min_sdk_floor_tool.files_to_run,
)
return ProviderInfo(
name = "manifest_validation_ctx",
value = manifest_validation_ctx,
)
def _process_native_libs(ctx, **_unusued_ctxs):
providers = []
if acls.in_android_binary_starlark_split_transition(str(ctx.label)):
providers.append(_process_native_deps(
ctx,
filename = "nativedeps",
))
return ProviderInfo(
name = "native_libs_ctx",
value = struct(providers = providers),
)
def use_legacy_manifest_merger(ctx):
"""Whether legacy manifest merging is enabled.
Args:
ctx: The context.
Returns:
Boolean indicating whether legacy manifest merging is enabled.
"""
manifest_merger = ctx.attr.manifest_merger
android_manifest_merger = ctx.fragments.android.manifest_merger
if android_manifest_merger == "force_android":
return False
if manifest_merger == "auto":
manifest_merger = android_manifest_merger
return manifest_merger == "legacy"
def finalize(ctx, providers, validation_outputs, **unused_ctxs):
providers.append(
OutputGroupInfo(
_validation = depset(validation_outputs),
),
)
return providers
def _is_test_binary(ctx):
"""Whether this android_binary target is a test binary.
Args:
ctx: The context.
Returns:
Boolean indicating whether the target is a test target.
"""
return ctx.attr.testonly or ctx.attr.instruments or str(ctx.label).find("/javatests/") >= 0
# Order dependent, as providers will not be available to downstream processors
# that may depend on the provider. Iteration order for a dictionary is based on
# insertion.
PROCESSORS = dict(
ManifestProcessor = _process_manifest,
ResourceProcessor = _process_resources,
ValidateManifestProcessor = _validate_manifest,
NativeLibsProcessor = _process_native_libs,
)
_PROCESSING_PIPELINE = processing_pipeline.make_processing_pipeline(
processors = PROCESSORS,
finalize = finalize,
)
def impl(ctx):
"""The rule implementation.
Args:
ctx: The context.
Returns:
A list of providers.
"""
java_package = java.resolve_package_from_label(ctx.label, ctx.attr.custom_package)
return processing_pipeline.run(ctx, java_package, _PROCESSING_PIPELINE)
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