parse method
Implementation
void parse(String jsonContent) {
final jsonData = json.decode(jsonContent) as List;
for (var data in jsonData) {
if (data.containsKey('header')) {
final header = data['header'] as List;
_buildFixedLayout(header, GenericType.HEADER);
} else if (data.containsKey('footer')) {
final footer = data['footer'] as List;
_buildFixedLayout(footer, GenericType.FOOTER);
} else {
layoutReceipt.addAll(_buildLine(data));
}
}
}