OpenTTD Source 20260721-master-g25ec12c62d
AllowedSubtags Struct Reference

Data structure to store the allowed id/type combinations for action 14. More...

Public Types

using Span = std::pair<const AllowedSubtags *, const AllowedSubtags *>
 Custom 'span' of subtags.

Data Fields

NodeID id
 The identifier for this node.
std::variant< DataHandler, TextHandler, BranchHandler, Span > handler
 The handler for this node.

Detailed Description

Data structure to store the allowed id/type combinations for action 14.

The data can be represented as a tree with 3 types of nodes:

  1. Branch nodes (identified by 'C' for choice).
  2. Binary leaf nodes (identified by 'B').
  3. Text leaf nodes (identified by 'T').

Definition at line 258 of file newgrf_act14.cpp.

Member Typedef Documentation

◆ Span

using AllowedSubtags::Span = std::pair<const AllowedSubtags *, const AllowedSubtags *>

Custom 'span' of subtags.

Required because std::span with an incomplete type is UB.

Definition at line 260 of file newgrf_act14.cpp.

Field Documentation

◆ handler

std::variant<DataHandler, TextHandler, BranchHandler, Span> AllowedSubtags::handler

The handler for this node.

Definition at line 263 of file newgrf_act14.cpp.

◆ id

NodeID AllowedSubtags::id

The identifier for this node.

Definition at line 262 of file newgrf_act14.cpp.

The documentation for this struct was generated from the following file: