closing property

dynamic get closing

Constant string used in generateMainImportFile as the end of the file.

Implementation

get closing =>
    super.closing +
    '''
/// Turn the JSON template into a string.
///
/// We expect one of the following forms for the template.
/// * null -> null
/// * String s -> s
/// * int n -> '\${args[n]}'
/// * List list, one of
///   * \['Intl.plural', int howMany, (templates for zero, one, ...)\]
///   * \['Intl.gender', String gender, (templates for female, male, other)\]
///   * \['Intl.select', String choice, { 'case' : template, ...} \]
///   * \['text alternating with ', 0 , ' indexes in the argument list'\]
String? evaluateJsonTemplate(dynamic input, List<dynamic> args) {
if (input == null) return null;
if (input is String) return input;
if (input is int) {
  return "\${args[input]}";
}

var template = input as List<dynamic>;
var messageName = template.first;
if (messageName == "Intl.plural") {
   var howMany = args[template[1] as int] as num;
   return evaluateJsonTemplate(
       Intl.pluralLogic(
           howMany,
           zero: template[2],
           one: template[3],
           two: template[4],
           few: template[5],
           many: template[6],
           other: template[7]),
       args);
 }
 if (messageName == "Intl.gender") {
   var gender = args[template[1] as int] as String;
   return evaluateJsonTemplate(
       Intl.genderLogic(
           gender,
           female: template[2],
           male: template[3],
           other: template[4]),
       args);
 }
 if (messageName == "Intl.select") {
   var select = args[template[1] as int];
   var choices = template[2] as Map<String, dynamic>;
   return evaluateJsonTemplate(Intl.selectLogic(select, choices), args);
 }

 // If we get this far, then we are a basic interpolation, just strings and
 // ints.
 var output = StringBuffer();
 for (var entry in template) {
   if (entry is int) {
     output.write("\${args[entry]}");
   } else {
     output.write("\$entry");
   }
 }
 return output.toString();
}

 ''';