/*
 * Copyright (c) 2021, the protobuf-c authors.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

syntax = "proto2";
import "google/protobuf/descriptor.proto";

// We never need to generate protobuf-c.pb-c.{c,h}, the options are used
// only by protoc-gen-c, never by the protobuf-c runtime itself
option (pb_c_file).no_generate = true;

message ProtobufCFileOptions {
    // Suppresses pb-c.{c,h} file output completely.
    optional bool no_generate = 1 [default = false];

    // Generate helper pack/unpack functions?
    // For backwards compatibility, if this field is not explicitly set,
    // only top-level message pack/unpack functions will be generated
    optional bool gen_pack_helpers = 2 [default = true];

    // Generate helper init message functions?
    optional bool gen_init_helpers = 3 [default = true];

    // Use const char * instead of char * for string fields
    optional bool const_strings = 4 [default = false];

    // For oneof fields, set ProtobufCFieldDescriptor name field to the
    // name of the containing oneof, instead of the field name
    optional bool use_oneof_field_name = 5 [default = false];

    // Overrides the package name, if present
    optional string c_package = 6;
}

extend google.protobuf.FileOptions {
    optional ProtobufCFileOptions pb_c_file = 1019;
}

message ProtobufCMessageOptions {
    // Overrides the parent setting only if present
    optional bool gen_pack_helpers = 1 [default = false];

    // Overrides the parent setting only if present
    optional bool gen_init_helpers = 2 [default = true];

    // Reserved base message field name
    optional string base_field_name = 3 [default = "base"];
}

extend google.protobuf.MessageOptions {
    optional ProtobufCMessageOptions pb_c_msg = 1019;
}

message ProtobufCFieldOptions {
    // Treat string as bytes in generated code
    optional bool string_as_bytes = 1 [default = false];
}

extend google.protobuf.FieldOptions {
    optional ProtobufCFieldOptions pb_c_field = 1019;
}