1# Copyright 2021 The Pigweed Authors 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); you may not 4# use this file except in compliance with the License. You may obtain a copy of 5# the License at 6# 7# https://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12# License for the specific language governing permissions and limitations under 13# the License. 14 15"""Utility for generating TS code with string replacement.""" 16 17load("@build_bazel_rules_nodejs//:providers.bzl", "run_node") 18 19def _template_replacement_impl(ctx): 20 output_file = ctx.actions.declare_file(ctx.attr.output_file) 21 descriptor_data = ctx.files.descriptor_data[0] 22 template_file = ctx.files.template_file[0] 23 24 run_node( 25 ctx, 26 executable = "_template_replacement_bin", 27 inputs = [descriptor_data, template_file], 28 outputs = [output_file], 29 arguments = [ 30 "--template", 31 template_file.path, 32 "--descriptor_data", 33 descriptor_data.path, 34 "--output", 35 output_file.path, 36 "--proto_root_dir", 37 ctx.attr.proto_root_dir, 38 ], 39 ) 40 41 return [DefaultInfo(files = depset([output_file]))] 42 43template_replacement = rule( 44 implementation = _template_replacement_impl, 45 attrs = { 46 "_template_replacement_bin": attr.label( 47 executable = True, 48 cfg = "exec", 49 default = Label("@//pw_protobuf_compiler/ts/codegen:template_replacement_bin"), 50 ), 51 "descriptor_data": attr.label( 52 allow_files = [".proto.bin"], 53 ), 54 "proto_root_dir": attr.string(mandatory = True), 55 "output_file": attr.string(mandatory = True), 56 "template_file": attr.label( 57 allow_files = [".ts"], 58 default = Label("@//pw_protobuf_compiler/ts:ts_proto_collection_template"), 59 ), 60 }, 61) 62