hashData method

bool hashData(List datas)

Implementation

bool hashData(List datas) {
  int count_valid = 0;
  int count_data_same = 0;

  void countValids(List data_origins) {
    for (var i = 0; i < data_origins.length; i++) {
      dynamic value = data_origins[i];
      if (value is Map) {
        count_valid++;
      } else if (value is List) {
        countValids(value);
      } else {
        count_valid++;
      }
    }
  }

  for (var i = 0; i < datas.length; i++) {
    dynamic value = datas[i];
    if (value is Map) {
      count_valid++;
    } else if (value is List) {
      countValids(value);
    } else {
      count_valid++;
    }
  }

  void countSame(List data_origin, List data_old) {
    int count_length = data_old.length;
    for (var i = 0; i < data_origin.length; i++) {
      if (i >= count_length) {
        continue;
      }
      dynamic value = datas[i];
      dynamic value_origin = data_origin[i];
      if (value is RegExp) {
        if (value.hashData(value_origin)) {
          count_data_same++;
        }
      } else if (value is Map) {
        if (value_origin is Map) {
          if (value_origin.hashData(value)) {
            count_data_same++;
          }
        }
      } else if (value is List) {
        if (value_origin is List) {
          countSame(value_origin, value);
        }
      } else {
        if (value_origin == value) {
          count_data_same++;
        }
      }
    }
  }

  int count_length = length;
  for (var i = 0; i < datas.length; i++) {
    if (i >= count_length) {
      continue;
    }
    dynamic value = datas[i];
    dynamic value_origin = this[i];
    if (value is RegExp) {
      if (value.hashData(value_origin)) {
        count_data_same++;
      }
    } else if (value is Map) {
      if (value_origin is Map) {
        if (value_origin.hashData(value)) {
          count_data_same++;
        }
      }
    } else if (value is List) {
      if (value_origin is List) {
        countSame(value_origin, value);
      }
    } else {
      if (value_origin == value) {
        count_data_same++;
      }
    }
  }

  if (count_valid == 0) {
    return false;
  }
  return (count_valid == count_data_same);
}