syntax = "proto2";

import "lib/common.proto";
import "lib/layout.proto";

message AcornDfsProto
{
    enum Flavour
    {
        UNDEFINED = 0;
        ACORN_DFS = 1;
    }

    optional Flavour flavour = 1
        [ default = ACORN_DFS, (help) = "which flavour of DFS to implement" ];
}

message Brother120FsProto {}

message FatFsProto {
	optional uint32 cluster_size = 1
		[ (help) = "cluster size (for new filesystems); 0 to select automatically",
	      default = 0 ];
	optional uint32 root_directory_entries = 2
		[ (help) = "number of entries in the root directory (for new filesystems); 0 to select automatically",
		  default = 0 ];
}

message CpmFsProto
{
    message Location
    {
        optional uint32 track = 1 [ (help) = "track number" ];
        optional uint32 side = 2 [ (help) = "side number" ];
        optional uint32 sector = 3 [ (help) = "sector ID" ];
    }

    message Padding
    {
        optional uint32 amount = 1
            [ (help) = "number of sectors of padding to insert" ];
        optional uint32 every = 2
            [ (help) = "insert padding after this many sectors" ];
    }

    optional Location filesystem_start = 1
        [ (help) = "position of the start of the filesystem" ];
    optional int32 block_size = 2 [ (help) = "allocation block size" ];
    optional int32 dir_entries = 3
        [ (help) = "number of entries in the directory" ];
    optional Padding padding = 4
        [ (help) = "wasted sectors not considered part of the filesystem" ];
}

message AmigaFfsProto {}

message MacHfsProto {}

message CbmfsProto
{
    optional uint32 directory_track = 1 [
        default = 17,
        (help) = "which track the directory is on (zero-based numbering)"
    ];
}

message ProdosProto {}

message AppledosProto
{
    optional uint32 filesystem_offset_sectors = 1 [
        default = 0,
        (help) = "offset the entire offset up the disk this many sectors"
    ];
}

message Smaky6FsProto {}

message PhileProto
{
    optional uint32 block_size = 1
        [ default = 1024, (help) = "Phile filesystem block size" ];
}

message LifProto
{
    optional uint32 block_size = 1
        [ default = 256, (help) = "LIF filesystem block size" ];
}

message ZDosProto
{
    message Location
    {
        optional uint32 track = 1 [ (help) = "track number" ];
        optional uint32 sector = 3 [ (help) = "sector ID" ];
    }

    optional Location filesystem_start = 1
        [ (help) = "position of the filesystem superblock" ];
}

message RolandFsProto
{
    optional uint32 directory_track = 1
        [ (help) = "position of the directory", default = 39 ];
    optional uint32 block_size = 2
        [ (help) = "filesystem block size", default = 3072 ];
    optional uint32 directory_entries = 3
        [ (help) = "number of directory entries", default = 79 ];
}

// NEXT_TAG: 17
message FilesystemProto
{
    enum FilesystemType
    {
        NOT_SET = 0;
        ACORNDFS = 1;
        BROTHER120 = 2;
        FATFS = 3;
        CPMFS = 4;
        AMIGAFFS = 5;
        MACHFS = 6;
        CBMFS = 7;
        PRODOS = 8;
        SMAKY6 = 9;
        APPLEDOS = 10;
        PHILE = 11;
        LIF = 12;
        ZDOS = 13;
        ROLAND = 14;
    }

    optional FilesystemType type = 10
        [ default = NOT_SET, (help) = "filesystem type" ];

    optional AcornDfsProto acorndfs = 1;
    optional Brother120FsProto brother120 = 2;
    optional FatFsProto fatfs = 3;
    optional CpmFsProto cpmfs = 4;
    optional AmigaFfsProto amigaffs = 5;
    optional MacHfsProto machfs = 6;
    optional CbmfsProto cbmfs = 7;
    optional ProdosProto prodos = 8;
    optional AppledosProto appledos = 12;
    optional Smaky6FsProto smaky6 = 11;
    optional PhileProto phile = 13;
    optional LifProto lif = 14;
    optional ZDosProto zdos = 15;
    optional RolandFsProto roland = 16;

    optional SectorListProto sector_order = 9
        [ (help) = "specify the filesystem order of sectors" ];
}