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PlantUML: add arrow from history to initial memory #96

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Mar 27, 2020
Merged

PlantUML: add arrow from history to initial memory #96

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15 changes: 14 additions & 1 deletion sismic/io/plantuml.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
import re
import sys

from typing import Dict, List, Tuple, Optional
from typing import Dict, List, Tuple, Union
from ..io import import_from_yaml
from ..model import (
DeepHistoryState, FinalState, Transition, CompoundState,
Expand Down Expand Up @@ -170,6 +170,9 @@ def export_state(self, name: str) -> None:

self.export_transitions(name)

if isinstance(state, (ShallowHistoryState, DeepHistoryState)):
self.export_history_memory(state)

# Nested states
for i, child in enumerate(self.statechart.children_for(name)):
if i != 0 and isinstance(state, OrthogonalState):
Expand Down Expand Up @@ -226,6 +229,16 @@ def export_transition(self, transition: Transition) -> None:
text=''.join(text),
))

def export_history_memory(self, history_state: Union[ShallowHistoryState, DeepHistoryState]):
if history_state.memory:
target = self.statechart.state_for(history_state.memory)

self.output('{source} {arrow} {target}'.format(
source=self.state_id(history_state.name),
arrow=self.arrow(history_state, target),
target=self.state_id(target.name)
))

def export(self) -> str:
self.output('@startuml')

Expand Down