private static (ParsedStatenode root, IDictionary <StatenodeId, StatenodeDefinition> definitions) ParseStatenode(
StatenodeDefinition definition,
ParsedStatenode parent,
IDictionary <StatenodeId, StatenodeDefinition> definitions,
int documentIndex)
{
IEnumerable <(ParsedStatenode statenode, StatenodeDefinition definition)> ParseChildren(
IEnumerable <StatenodeDefinition> substateNodeDefinitions,
ParsedStatenode recursedParent) =>
substateNodeDefinitions.Select((substateDefinition, index) =>
(ParseStatenode(substateDefinition, recursedParent, definitions, index).root, substateDefinition));
var name = definition.Name;
var uniqueIdentifier = definition.UniqueIdentifier;
var entryActions = definition.EntryActions.Convert();
var exitActions = definition.ExitActions.Convert();
(ParsedStatenode root, IDictionary <StatenodeId, StatenodeDefinition> definitions) CreateAtomicStatenode(AtomicStatenodeDefinition atomicDefinition)
{
var statenode = new ParsedAtomicStatenode(parent, name, uniqueIdentifier, documentIndex, entryActions, exitActions);
statenode.Services = atomicDefinition.Services.Convert(statenode);
definitions.Add(statenode.Id, atomicDefinition);
return(statenode, definitions);
}
(ParsedStatenode root, IDictionary <StatenodeId, StatenodeDefinition> definitions) CreateFinalStatenode(FinalStatenodeDefinition finalDefinition)
{
var statenode = new ParsedFinalStatenode(parent, name, uniqueIdentifier, documentIndex, entryActions, exitActions);
definitions.Add(statenode.Id, finalDefinition);
return(statenode, definitions);
}
(ParsedStatenode root, IDictionary <StatenodeId, StatenodeDefinition> definitions) CreateCompoundStatenode(CompoundStatenodeDefinition compoundDefinition)
{
var statenode = new ParsedCompoundStatenode(parent, name, uniqueIdentifier, documentIndex, entryActions, exitActions);
var children = ParseChildren(compoundDefinition.Statenodes, statenode).ToList();
var statenodes = children.Select(child => child.statenode);
statenode.Statenodes = statenodes;
statenode.Services = compoundDefinition.Services.Convert(statenode);
definitions.Add(statenode.Id, compoundDefinition);
return(statenode, definitions);
}
(ParsedStatenode root, IDictionary <StatenodeId, StatenodeDefinition> definitions) CreateOrthogonalStatenode(OrthogonalStatenodeDefinition orthogonalDefinition)
{
var statenode = new ParsedOrthogonalStatenode(parent, name, uniqueIdentifier, documentIndex, entryActions, exitActions);
var children = ParseChildren(orthogonalDefinition.Statenodes, statenode).ToList();
var statenodes = children.Select(child => child.statenode);
statenode.Statenodes = statenodes;
statenode.Services = orthogonalDefinition.Services.Convert(statenode);
definitions.Add(statenode.Id, orthogonalDefinition);
return(statenode, definitions);
}
return(definition.Match(
CreateAtomicStatenode,
CreateFinalStatenode,
CreateCompoundStatenode,
CreateOrthogonalStatenode));
}
).With(statechartDefinition.RootStateNode.AsJSProperty(statechartDefinition).Value as ObjectValue).AsString(); // this cast is necessary because of the way xstate merges the top-level state node with the machine definition
private static JSProperty AsJSProperty <TContext>(
this StatenodeDefinition stateNodeDefinition,
StatechartDefinition <TContext> statechartDefinition)
where TContext : IContext <TContext>
=> stateNodeDefinition.CataFold <JSProperty>( // TODO: add actions, transitions
