Example #1
0
void Score::readStaff(XmlReader& e)
      {
      int staff = e.intAttribute("id", 1) - 1;
      int measureIdx = 0;
      e.setCurrentMeasureIndex(0);
      e.initTick(0);
      e.setTrack(staff * VOICES);

      if (staff == 0) {
            while (e.readNextStartElement()) {
                  const QStringRef& tag(e.name());

                  if (tag == "Measure") {
                        Measure* measure = 0;
                        measure = new Measure(this);
                        measure->setTick(e.tick());
                        e.setCurrentMeasureIndex(measureIdx++);
                        //
                        // inherit timesig from previous measure
                        //
                        Measure* m = e.lastMeasure(); // measure->prevMeasure();
                        Fraction f(m ? m->timesig() : Fraction(4,4));
                        measure->setLen(f);
                        measure->setTimesig(f);

                        measure->read(e, staff);
                        measure->checkMeasure(staff);
                        if (!measure->isMMRest()) {
                              measures()->add(measure);
                              e.setLastMeasure(measure);
                              e.initTick(measure->tick() + measure->ticks());
                              }
                        else {
                              // this is a multi measure rest
                              // always preceded by the first measure it replaces
                              Measure* m1 = e.lastMeasure();

                              if (m1) {
                                    m1->setMMRest(measure);
                                    measure->setTick(m1->tick());
                                    }
                              }
                        }
                  else if (tag == "HBox" || tag == "VBox" || tag == "TBox" || tag == "FBox") {
                        MeasureBase* mb = toMeasureBase(Element::name2Element(tag, this));
                        mb->read(e);
                        mb->setTick(e.tick());
                        measures()->add(mb);
                        }
                  else if (tag == "tick")
                        e.initTick(fileDivision(e.readInt()));
                  else
                        e.unknown();
                  }
            }
      else {
            Measure* measure = firstMeasure();
            while (e.readNextStartElement()) {
                  const QStringRef& tag(e.name());

                  if (tag == "Measure") {
                        if (measure == 0) {
                              qDebug("Score::readStaff(): missing measure!");
                              measure = new Measure(this);
                              measure->setTick(e.tick());
                              measures()->add(measure);
                              }
                        e.initTick(measure->tick());
                        e.setCurrentMeasureIndex(measureIdx++);
                        measure->read(e, staff);
                        measure->checkMeasure(staff);
                        if (measure->isMMRest())
                              measure = e.lastMeasure()->nextMeasure();
                        else {
                              e.setLastMeasure(measure);
                              if (measure->mmRest())
                                    measure = measure->mmRest();
                              else
                                    measure = measure->nextMeasure();
                              }
                        }
                  else if (tag == "tick")
                        e.initTick(fileDivision(e.readInt()));
                  else
                        e.unknown();
                  }
            }
      }