pw_protobuf/BUILD.bazel

# Copyright 2021 The Pigweed Authors
#
# 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
#
#     https://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.

load("@rules_proto//proto:defs.bzl", "proto_library")
load(
    "//pw_build:pigweed.bzl",
    "pw_cc_library",
    "pw_cc_test",
)
load("//pw_fuzzer:fuzzer.bzl", "pw_cc_fuzz_test")
load("@com_google_protobuf//:protobuf.bzl", "py_proto_library")
load("@rules_proto_grpc//:defs.bzl", "proto_plugin")
load("//pw_protobuf_compiler:proto.bzl", "pw_proto_library")

package(default_visibility = ["//visibility:public"])

licenses(["notice"])

pw_cc_library(
    name = "config",
    hdrs = ["public/pw_protobuf/config.h"],
    includes = ["public"],
)

pw_cc_library(
    name = "pw_protobuf",
    srcs = [
        "decoder.cc",
        "encoder.cc",
        "find.cc",
        "map_utils.cc",
        "message.cc",
        "stream_decoder.cc",
    ],
    hdrs = [
        "public/pw_protobuf/decoder.h",
        "public/pw_protobuf/encoder.h",
        "public/pw_protobuf/find.h",
        "public/pw_protobuf/internal/codegen.h",
        "public/pw_protobuf/internal/proto_integer_base.h",
        "public/pw_protobuf/map_utils.h",
        "public/pw_protobuf/message.h",
        "public/pw_protobuf/serialized_size.h",
        "public/pw_protobuf/stream_decoder.h",
        "public/pw_protobuf/wire_format.h",
    ],
    includes = ["public"],
    deps = [
        ":config",
        "//pw_assert",
        "//pw_bytes",
        "//pw_bytes:bit",
        "//pw_containers:vector",
        "//pw_function",
        "//pw_result",
        "//pw_span",
        "//pw_status",
        "//pw_stream",
        "//pw_stream:interval_reader",
        "//pw_varint",
        "//pw_varint:stream",
    ],
)

pw_cc_library(
    name = "bytes_utils",
    hdrs = ["public/pw_protobuf/bytes_utils.h"],
    includes = ["public"],
    deps = [
        ":pw_protobuf",
        "//pw_bytes",
        "//pw_result",
        "//pw_status",
    ],
)

pw_cc_test(
    name = "decoder_test",
    srcs = ["decoder_test.cc"],
    deps = [
        ":pw_protobuf",
        "//pw_preprocessor",
        "//pw_unit_test",
    ],
)

pw_cc_test(
    name = "encoder_test",
    srcs = ["encoder_test.cc"],
    deps = [
        ":pw_protobuf",
        "//pw_unit_test",
    ],
)

pw_cc_fuzz_test(
    name = "encoder_fuzz_test",
    srcs = ["encoder_fuzzer.cc"],
    deps = [
        "//pw_fuzzer",
        "//pw_protobuf",
        "//pw_span",
    ],
)

pw_cc_test(
    name = "find_test",
    srcs = ["find_test.cc"],
    deps = [
        ":pw_protobuf",
        "//pw_unit_test",
    ],
)

pw_cc_test(
    name = "serialized_size_test",
    srcs = ["serialized_size_test.cc"],
    deps = [
        ":pw_protobuf",
        "//pw_unit_test",
    ],
)

pw_cc_test(
    name = "stream_decoder_test",
    srcs = ["stream_decoder_test.cc"],
    deps = [
        ":pw_protobuf",
        "//pw_unit_test",
    ],
)

pw_cc_test(
    name = "map_utils_test",
    srcs = ["map_utils_test.cc"],
    deps = [
        ":pw_protobuf",
        "//pw_unit_test",
    ],
)

pw_cc_test(
    name = "message_test",
    srcs = ["message_test.cc"],
    deps = [
        ":pw_protobuf",
        "//pw_unit_test",
    ],
)

proto_library(
    name = "codegen_protos",
    srcs = [
        "pw_protobuf_codegen_protos/options.proto",
    ],
    strip_import_prefix = "//pw_protobuf",
)

py_proto_library(
    name = "codegen_protos_pb2",
    srcs = [
        "pw_protobuf_codegen_protos/options.proto",
    ],
)

proto_library(
    name = "common_proto",
    srcs = [
        "pw_protobuf_protos/common.proto",
    ],
    strip_import_prefix = "//pw_protobuf",
)

proto_library(
    name = "status_proto",
    srcs = [
        "pw_protobuf_protos/status.proto",
    ],
    strip_import_prefix = "//pw_protobuf",
)

proto_library(
    name = "codegen_test_deps_protos",
    srcs = [
        "pw_protobuf_test_deps_protos/imported.proto",
    ],
    strip_import_prefix = "//pw_protobuf",
)

proto_library(
    name = "codegen_test_proto",
    srcs = [
        "pw_protobuf_test_protos/full_test.proto",
        "pw_protobuf_test_protos/imported.proto",
        "pw_protobuf_test_protos/importer.proto",
        "pw_protobuf_test_protos/non_pw_package.proto",
        "pw_protobuf_test_protos/optional.proto",
        "pw_protobuf_test_protos/proto2.proto",
        "pw_protobuf_test_protos/repeated.proto",
    ],
    strip_import_prefix = "//pw_protobuf",
    deps = [
        ":codegen_test_deps_protos",
        ":common_proto",
    ],
)

pw_proto_library(
    name = "codegen_test_proto_cc",
    deps = [
        ":codegen_test_proto",
        ":common_proto",
    ],
)

pw_cc_test(
    name = "codegen_decoder_test",
    srcs = [
        "codegen_decoder_test.cc",
    ],
    deps = [
        ":codegen_test_proto_cc.pwpb",
        ":pw_protobuf",
        "//pw_span",
        "//pw_unit_test",
    ],
)

pw_cc_test(
    name = "codegen_encoder_test",
    srcs = [
        "codegen_encoder_test.cc",
    ],
    deps = [
        ":codegen_test_proto_cc.pwpb",
        ":pw_protobuf",
        "//pw_span",
        "//pw_unit_test",
    ],
)

# TODO(tpudlik): Figure out how to add options file support to Bazel.
filegroup(
    name = "codegen_message_test",
    srcs = [
        "codegen_message_test.cc",
    ],
)

# TODO(frolv): Figure out how to add facade tests to Bazel.
filegroup(
    name = "varint_size_test",
    srcs = [
        "varint_size_test.cc",
    ],
)

# TODO(frolv): Figure out what to do about size reports in Bazel.
filegroup(
    name = "size_reports",
    srcs = glob([
        "size_report/*.cc",
    ]),
)

proto_plugin(
    name = "pw_cc_plugin",
    outputs = [
        "{protopath}.pwpb.h",
    ],
    protoc_plugin_name = "pwpb",
    tool = "@pigweed//pw_protobuf/py:plugin",
    use_built_in_shell_environment = True,
    visibility = ["//visibility:public"],
)