1 # Copyright 2014 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 # Converts a .json file to a C++ struct. 6 # 7 # Variables: 8 # 9 # source (required) 10 # Single file name of source .json file. 11 # 12 # schema_file (required) 13 # Single file name of the .json file that defines the schema. 14 # 15 # namespace (required) 16 # Namespace name to put result in. 17 # 18 # visibility (optional) 19 # Normal meaning. 20 template("json_to_struct") { 21 assert(defined(invoker.source), "source required in $target_name") 22 assert(defined(invoker.schema_file), "schema_file required in $target_name") 23 assert(defined(invoker.namespace), "namespace required in $target_name") 24 25 action_name = target_name + "_action" 26 source_set_name = target_name 27 28 action(action_name) { 29 visibility = [ ":$source_set_name" ] 30 script = "//tools/json_to_struct/json_to_struct.py" 31 32 inputs = [ 33 "//tools/json_to_struct/element_generator.py", 34 "//tools/json_to_struct/struct_generator.py", 35 invoker.source, 36 ] 37 38 out_dir = get_path_info(invoker.source, "gen_dir") 39 out_name = get_path_info(invoker.source, "name") 40 outputs = [ 41 "$out_dir/$out_name.cc", 42 "$out_dir/$out_name.h", 43 ] 44 45 args = [ 46 rebase_path(invoker.source, root_build_dir), 47 "--destbase=" + rebase_path(out_dir, root_build_dir), 48 "--namespace=" + invoker.namespace, 49 "--schema=" + rebase_path(invoker.schema_file, root_build_dir), 50 ] 51 } 52 53 source_set(source_set_name) { 54 if (defined(invoker.visibility)) { 55 visibility = invoker.visibility 56 } 57 58 sources = get_target_outputs(":$action_name") 59 60 deps = [ ":$action_name" ] 61 } 62 } 63
