RSI Manifest file description

rsi_manifest.ksy

meta:
  id: rsi_manifest
  title: Roberts Space Industries Launcher Manifest file
  application: RSI Launcher v1.2.1.0
  file-extension:
    - manifest
  encoding: ascii
  endian: le
types:
  header:
    seq:
      - id: magic
        contents: [ 0x50, 0x34, 0x4B, 0x2D, 0x4D, 0x41, 0x4E, 0x49 ]
      - id: unknown08
        type: u4
      - id: unknown0c
        type: u4
      - id: header_size
        type: u8
      - id: first_record_offset
        type: u8
      - id: num_records
        type: u8
  index_record:
    seq:
      - id: id
        type: s4
      - id: unknown_value_0
        type: u4
      - id: unknown_value_1
        type: u4
      - id: sha256
        size: 32 
      - id: compression_method # 100 -> unknown_size_0 != unknown_size_1, 0 -> unknown_size_0 == unknown_size_1
        type: u8
      - id: compressed_size
        type: u8
      - id: uncompressed_size
        type: u8
      - id: crc32
        type: u4
      - id: signature
        size: 128
      - id: unknown_value_2
        type: u4
  string_node:
    seq:
      - id: index
        type: s4
      - id: length
        type: u2
      - id: unknown_06
        type: u2
      - id: child_offset
        type: s4
      - id: next_offset
        type: s4
      - id: data
        type: str
        encoding: ascii
        size: length
    instances:
      child:
        type: string_node
        pos: child_offset
        io: _io
        if: child_offset != -1
      next:
        type: string_node
        pos: next_offset
        io: _io
        if: next_offset != -1
  string_nodes:
    seq:
      - id: root
        type: string_node
seq:
  - id: header
    type: header
  - id: string_nodes
    type: string_nodes
    size: header.first_record_offset
  - id: index_records
    type: index_record
    repeat: expr
    repeat-expr: header.num_records