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!7

beaConcept BPattern {
  S text;
  
  toString { ret "[\*id*/] " + shortDynName(this) + " " + quote(text); }
  
  void reactWith(BInput input, IBEAReactor reactor) {}
}

beaConcept BStarPattern > BPattern {
  void reactWith(BInput input, IBEAReactor reactor) {
    LS mapping = matchesToStringList(flexMatchIC_first(text, input.text));
    if (mapping == null) ret;
    reactor.uniqResult(BEAObject,
      type := "match",
      +input,
      pattern := this,
      +mapping);
  }
}

beaConcept BAngleVarPattern > BPattern {
  void reactWith(BInput input, IBEAReactor reactor) {
    SS mapping = flexMatchAngleBracketVarsIC_first(text, input.text);
    if (mapping == null) ret;
    reactor.uniqResult(BEAObject,
      type := "match",
      +input,
      pattern := this,
      +mapping);
  }
}

beaConcept BMatch {
  new Ref<BPattern> pattern;
  SS mapping;
}

beaConcept BMatchToScenario {
  void reactWith(BMatch match, IBEAReactor reactor) {
    reactor.uniqResult(BEAObject,
      type := "scenario",
      text := mapToLines(match.mapping,
        (a, b) -> format_curly("* is a *.", b, a));
  }
}

beaConcept BScenarioToOutput {
  bool canReactWith(BEAObject o) {
    ret o.typeIs("scenario");
  }
  
  void reactWith(BEAObject scenario, IBEAReactor reactor) {
    reactor.uniqResult(BOutput,
      type := "Output",
      text := scenario~.text);
  }
}

module > DynBEAReactor_textInOut {
  { input = "UBports community delivers 'second-largest release of Ubuntu Touch ever'"; }
  
  start {
    crud.showClassNameSelectors = true;
    crud.allowNewFields = true;
    crud.emptyStringsToNull = true;
  }

  void createInitialObjects {
    uniq BMatchToScenario();
    uniq BScenarioToOutput();
    //uniq BPattern(text := "* delivers *");
    uniq BAngleVarPattern(text := "<company> delivers <product>");
  }
}