private RouteSubregion readRouteTree(
RouteSubregion thisTree, RouteSubregion parentTree, int depth, boolean readCoordinates)
throws IOException {
boolean readChildren = depth != 0;
if (readChildren) {
thisTree.subregions = new ArrayList<BinaryMapRouteReaderAdapter.RouteSubregion>();
}
thisTree.routeReg.regionsRead++;
while (true) {
int t = codedIS.readTag();
int tag = WireFormat.getTagFieldNumber(t);
switch (tag) {
case 0:
return thisTree;
case RouteDataBox.LEFT_FIELD_NUMBER:
int i = codedIS.readSInt32();
if (readCoordinates) {
thisTree.left = i + (parentTree != null ? parentTree.left : 0);
}
break;
case RouteDataBox.RIGHT_FIELD_NUMBER:
i = codedIS.readSInt32();
if (readCoordinates) {
thisTree.right = i + (parentTree != null ? parentTree.right : 0);
}
break;
case RouteDataBox.TOP_FIELD_NUMBER:
i = codedIS.readSInt32();
if (readCoordinates) {
thisTree.top = i + (parentTree != null ? parentTree.top : 0);
}
break;
case RouteDataBox.BOTTOM_FIELD_NUMBER:
i = codedIS.readSInt32();
if (readCoordinates) {
thisTree.bottom = i + (parentTree != null ? parentTree.bottom : 0);
}
break;
case RouteDataBox.SHIFTTODATA_FIELD_NUMBER:
thisTree.shiftToData = readInt();
if (!readChildren) {
// usually 0
thisTree.subregions = new ArrayList<BinaryMapRouteReaderAdapter.RouteSubregion>();
readChildren = true;
}
break;
case RouteDataBox.BOXES_FIELD_NUMBER:
if (readChildren) {
RouteSubregion subregion = new RouteSubregion(thisTree.routeReg);
subregion.length = readInt();
subregion.filePointer = codedIS.getTotalBytesRead();
int oldLimit = codedIS.pushLimit(subregion.length);
readRouteTree(subregion, thisTree, depth - 1, true);
thisTree.subregions.add(subregion);
codedIS.popLimit(oldLimit);
codedIS.seek(subregion.filePointer + subregion.length);
} else {
codedIS.seek(thisTree.filePointer + thisTree.length);
// skipUnknownField(t);
}
break;
default:
skipUnknownField(t);
break;
}
}
}
protected void readRouteIndex(RouteRegion region) throws IOException {
int routeEncodingRule = 1;
while (true) {
int t = codedIS.readTag();
int tag = WireFormat.getTagFieldNumber(t);
switch (tag) {
case 0:
return;
case OsmandOdb.OsmAndRoutingIndex.NAME_FIELD_NUMBER:
region.name = codedIS.readString();
break;
case OsmandOdb.OsmAndRoutingIndex.RULES_FIELD_NUMBER:
{
int len = codedIS.readInt32();
int oldLimit = codedIS.pushLimit(len);
readRouteEncodingRule(region, routeEncodingRule++);
codedIS.skipRawBytes(codedIS.getBytesUntilLimit());
codedIS.popLimit(oldLimit);
}
break;
case OsmandOdb.OsmAndRoutingIndex.ROOTBOXES_FIELD_NUMBER:
case OsmandOdb.OsmAndRoutingIndex.BASEMAPBOXES_FIELD_NUMBER:
{
RouteSubregion subregion = new RouteSubregion(region);
subregion.length = readInt();
subregion.filePointer = codedIS.getTotalBytesRead();
int oldLimit = codedIS.pushLimit(subregion.length);
readRouteTree(subregion, null, 0, true);
if (tag == OsmandOdb.OsmAndRoutingIndex.ROOTBOXES_FIELD_NUMBER) {
region.subregions.add(subregion);
} else {
region.basesubregions.add(subregion);
}
codedIS.skipRawBytes(codedIS.getBytesUntilLimit());
codedIS.popLimit(oldLimit);
break;
}
case OsmandOdb.OsmAndRoutingIndex.BASEBORDERBOX_FIELD_NUMBER:
case OsmandOdb.OsmAndRoutingIndex.BORDERBOX_FIELD_NUMBER:
{
int length = readInt();
int filePointer = codedIS.getTotalBytesRead();
if (tag == OsmandOdb.OsmAndRoutingIndex.BORDERBOX_FIELD_NUMBER) {
region.borderBoxLength = length;
region.borderBoxPointer = filePointer;
} else {
region.baseBorderBoxLength = length;
region.baseBorderBoxPointer = filePointer;
}
codedIS.skipRawBytes(length);
break;
}
case OsmandOdb.OsmAndRoutingIndex.BLOCKS_FIELD_NUMBER:
{
// Finish reading file!
codedIS.skipRawBytes(codedIS.getBytesUntilLimit());
break;
}
default:
skipUnknownField(t);
break;
}
}
}
