ac495120d9
git-svn-id: https://osmand.googlecode.com/svn/trunk@625 e29c36b1-1cfa-d876-8d93-3434fc2bb7b8
508 lines
18 KiB
Java
508 lines
18 KiB
Java
package net.osmand.binary;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.io.RandomAccessFile;
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import java.util.Collection;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Stack;
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import net.osmand.Algoritms;
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import net.osmand.binary.OsmandOdb.CityIndex;
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import net.osmand.binary.OsmandOdb.PostcodeIndex;
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import net.osmand.binary.OsmandOdb.StreetIndex;
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import net.osmand.data.Building;
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import net.osmand.data.City;
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import net.osmand.data.MapObject;
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import net.osmand.data.Street;
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import net.osmand.data.index.IndexConstants;
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import net.osmand.osm.LatLon;
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import net.osmand.osm.MapUtils;
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import net.sf.junidecode.Junidecode;
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import com.google.protobuf.CodedOutputStream;
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import com.google.protobuf.WireFormat;
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public class BinaryMapIndexWriter {
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private RandomAccessFile raf;
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private CodedOutputStream codedOutStream;
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protected static final int SHIFT_COORDINATES = 5;
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private static class Bounds {
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public Bounds(int leftX, int rightX, int topY, int bottomY) {
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super();
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this.bottomY = bottomY;
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this.leftX = leftX;
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this.rightX = rightX;
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this.topY = topY;
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}
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int leftX = 0;
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int rightX = 0;
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int topY = 0;
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int bottomY = 0;
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}
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private Stack<Bounds> stackBounds = new Stack<Bounds>();
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// needed for map tree
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private Stack<Long> stackBaseIds = new Stack<Long>();
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private Stack<Map<String, Integer>> stackStringTable = new Stack<Map<String, Integer>>();
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// internal constants to track state of index writing
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private Stack<Integer> state = new Stack<Integer>();
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private Stack<Long> stackSizes = new Stack<Long>();
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private final static int OSMAND_STRUCTURE_INIT = 1;
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private final static int MAP_INDEX_INIT = 2;
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private final static int MAP_ROOT_LEVEL_INIT = 3;
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private final static int MAP_TREE = 4;
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private final static int ADDRESS_INDEX_INIT = 5;
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private final static int CITY_INDEX_INIT = 6;
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private final static int POSTCODES_INDEX_INIT = 7;
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private final static int VILLAGES_INDEX_INIT = 8;
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public BinaryMapIndexWriter(final RandomAccessFile raf) throws IOException{
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this.raf = raf;
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codedOutStream = CodedOutputStream.newInstance(new OutputStream() {
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@Override
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public void write(int b) throws IOException {
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raf.write(b);
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}
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@Override
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public void write(byte[] b) throws IOException {
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raf.write(b);
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}
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@Override
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public void write(byte[] b, int off, int len) throws IOException {
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raf.write(b, off, len);
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}
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});
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codedOutStream.writeInt32(OsmandOdb.OsmAndStructure.VERSION_FIELD_NUMBER, IndexConstants.BINARY_MAP_VERSION);
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state.push(OSMAND_STRUCTURE_INIT);
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}
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public void finishWriting(){
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}
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private void preserveInt32Size() throws IOException {
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codedOutStream.flush();
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stackSizes.push(raf.getFilePointer());
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codedOutStream.writeFixed32NoTag(0);
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}
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private int writeInt32Size() throws IOException{
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codedOutStream.flush();
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long filePointer = raf.getFilePointer();
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Long old = stackSizes.pop();
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int length = (int) (filePointer - old - 4);
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raf.seek(old);
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raf.writeInt(length);
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raf.seek(filePointer);
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return length;
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}
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public void startWriteMapIndex() throws IOException{
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pushState(MAP_INDEX_INIT, OSMAND_STRUCTURE_INIT);
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codedOutStream.writeTag(OsmandOdb.OsmAndStructure.MAPINDEX_FIELD_NUMBER, WireFormat.WIRETYPE_FIXED32_LENGTH_DELIMITED);
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preserveInt32Size();
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}
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public void endWriteMapIndex() throws IOException{
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popState(MAP_INDEX_INIT);
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int len = writeInt32Size();
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System.out.println("MAP INDEX SIZE : " + len);
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}
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public void startWriteMapLevelIndex(int minZoom, int maxZoom, int leftX, int rightX, int topY, int bottomY) throws IOException{
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pushState(MAP_ROOT_LEVEL_INIT, MAP_INDEX_INIT);
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codedOutStream.writeTag(OsmandOdb.OsmAndMapIndex.LEVELS_FIELD_NUMBER, WireFormat.WIRETYPE_FIXED32_LENGTH_DELIMITED);
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preserveInt32Size();
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codedOutStream.writeInt32(OsmandOdb.MapRootLevel.MAXZOOM_FIELD_NUMBER, maxZoom);
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codedOutStream.writeInt32(OsmandOdb.MapRootLevel.MINZOOM_FIELD_NUMBER, minZoom);
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codedOutStream.writeInt32(OsmandOdb.MapRootLevel.LEFT_FIELD_NUMBER, leftX);
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codedOutStream.writeInt32(OsmandOdb.MapRootLevel.RIGHT_FIELD_NUMBER, rightX);
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codedOutStream.writeInt32(OsmandOdb.MapRootLevel.TOP_FIELD_NUMBER, topY);
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codedOutStream.writeInt32(OsmandOdb.MapRootLevel.BOTTOM_FIELD_NUMBER, bottomY);
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stackBounds.push(new Bounds(leftX, rightX, topY, bottomY));
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}
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public void endWriteMapLevelIndex() throws IOException{
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popState(MAP_ROOT_LEVEL_INIT);
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stackBounds.pop();
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writeInt32Size();
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}
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public void startMapTreeElement(int leftX, int rightX, int topY, int bottomY) throws IOException{
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startMapTreeElement(-1L, leftX, rightX, topY, bottomY);
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}
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public void startMapTreeElement(long baseId, int leftX, int rightX, int topY, int bottomY) throws IOException{
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checkPeekState(MAP_ROOT_LEVEL_INIT, MAP_TREE);
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if(state.peek() == MAP_ROOT_LEVEL_INIT){
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codedOutStream.writeTag(OsmandOdb.MapRootLevel.ROOT_FIELD_NUMBER, WireFormat.WIRETYPE_FIXED32_LENGTH_DELIMITED);
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} else {
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codedOutStream.writeTag(OsmandOdb.MapTree.SUBTREES_FIELD_NUMBER, WireFormat.WIRETYPE_FIXED32_LENGTH_DELIMITED);
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}
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state.push(MAP_TREE);
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preserveInt32Size();
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Bounds bounds = stackBounds.peek();
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codedOutStream.writeSInt32(OsmandOdb.MapTree.LEFT_FIELD_NUMBER, leftX - bounds.leftX);
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codedOutStream.writeSInt32(OsmandOdb.MapTree.RIGHT_FIELD_NUMBER, rightX - bounds.rightX);
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codedOutStream.writeSInt32(OsmandOdb.MapTree.TOP_FIELD_NUMBER, topY - bounds.topY);
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codedOutStream.writeSInt32(OsmandOdb.MapTree.BOTTOM_FIELD_NUMBER, bottomY - bounds.bottomY);
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stackBounds.push(new Bounds(leftX, rightX, topY, bottomY));
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stackBaseIds.push(baseId);
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stackStringTable.push(null);
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}
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public void endWriteMapTreeElement() throws IOException{
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popState(MAP_TREE);
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stackBounds.pop();
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Long l = stackBaseIds.pop();
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if(l != -1){
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codedOutStream.writeTag(OsmandOdb.MapTree.BASEID_FIELD_NUMBER, WireFormat.FieldType.UINT64.getWireType());
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codedOutStream.writeUInt64NoTag(l);
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}
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Map<String, Integer> map = stackStringTable.peek();
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if(map != null){
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int i = 0;
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int size = 0;
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for(String s : map.keySet()){
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Integer integer = map.get(s);
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if(integer != i){
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throw new IllegalStateException();
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}
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i++;
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size += CodedOutputStream.computeStringSize(OsmandOdb.StringTable.S_FIELD_NUMBER, s);
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}
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codedOutStream.writeTag(OsmandOdb.MapTree.STRINGTABLE_FIELD_NUMBER, WireFormat.FieldType.MESSAGE.getWireType());
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STRING_TABLE_SIZE += CodedOutputStream.computeTagSize(OsmandOdb.MapTree.STRINGTABLE_FIELD_NUMBER) +
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CodedOutputStream.computeRawVarint32Size(size) + size;
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codedOutStream.writeRawVarint32(size);
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for(String s : map.keySet()){
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codedOutStream.writeString(OsmandOdb.StringTable.S_FIELD_NUMBER, s);
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}
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}
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writeInt32Size();
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}
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public static int COORDINATES_SIZE = 0;
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public static int COORDINATES_COUNT= 0;
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public static int ID_SIZE = 0;
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public static int TYPES_SIZE = 0;
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public static int MAP_DATA_SIZE = 0;
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public static int STRING_TABLE_SIZE = 0;
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protected static int codeCoordinateDifference(int x, int px){
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// shift absolute coordinates first and get truncated
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return (x >> SHIFT_COORDINATES) - (px >> SHIFT_COORDINATES);
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}
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public void writeMapData(long id, byte[] nodes, byte[] types, String name, int highwayAttributes, byte[] restrictions) throws IOException{
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assert state.peek() == MAP_TREE;
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Bounds bounds = stackBounds.peek();
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if(stackBaseIds.peek() == -1){
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stackBaseIds.pop();
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stackBaseIds.push(id);
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}
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// calculate size
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int sizeCoordinates = 0;
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int allSize = 0;
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int px = bounds.leftX;
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int py = bounds.topY;
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for(int i=0; i< nodes.length / 8; i++){
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int x = Algoritms.parseIntFromBytes(nodes, i * 8);
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int y = Algoritms.parseIntFromBytes(nodes, i * 8 + 4);
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sizeCoordinates += CodedOutputStream.computeSInt32SizeNoTag(codeCoordinateDifference(x, px));
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sizeCoordinates += CodedOutputStream.computeSInt32SizeNoTag(codeCoordinateDifference(y, py));
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px = x;
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py = y;
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COORDINATES_COUNT += 2;
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}
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allSize += CodedOutputStream.computeRawVarint32Size(sizeCoordinates) +
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CodedOutputStream.computeTagSize(OsmandOdb.MapData.COORDINATES_FIELD_NUMBER) + sizeCoordinates;
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// DEBUG
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COORDINATES_SIZE += allSize;
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allSize += CodedOutputStream.computeTagSize(OsmandOdb.MapData.TYPES_FIELD_NUMBER);
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allSize += CodedOutputStream.computeRawVarint32Size(types.length);
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allSize += types.length;
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// DEBUG
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TYPES_SIZE += CodedOutputStream.computeTagSize(OsmandOdb.MapData.TYPES_FIELD_NUMBER) +
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CodedOutputStream.computeRawVarint32Size(types.length) + types.length;
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allSize += CodedOutputStream.computeSInt64Size(OsmandOdb.MapData.ID_FIELD_NUMBER, id - stackBaseIds.peek());
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// DEBUG
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ID_SIZE += CodedOutputStream.computeSInt64Size(OsmandOdb.MapData.ID_FIELD_NUMBER, id - stackBaseIds.peek());
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int nameId = 0;
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if(name != null){
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if(stackStringTable.peek() == null) {
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stackStringTable.pop();
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stackStringTable.push(new LinkedHashMap<String, Integer>());
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}
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Map<String, Integer> map = stackStringTable.peek();
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if(map.containsKey(name)) {
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nameId = map.get(name);
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} else {
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nameId = map.size();
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map.put(name, nameId);
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}
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allSize += CodedOutputStream.computeUInt32Size(OsmandOdb.MapData.STRINGID_FIELD_NUMBER, nameId);
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}
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int restrictionsSize = 0;
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if(restrictions.length > 0){
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allSize += CodedOutputStream.computeTagSize(OsmandOdb.MapData.RESTRICTIONS_FIELD_NUMBER);
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for (int i = 0; i < restrictions.length / 8; i++) {
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long l = Algoritms.parseLongFromBytes(restrictions, i * 8) - stackBaseIds.peek();
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restrictionsSize += CodedOutputStream.computeSInt64SizeNoTag(l);
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}
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allSize += CodedOutputStream.computeRawVarint32Size(restrictionsSize);
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allSize += restrictionsSize;
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}
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if(highwayAttributes != 0){
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allSize += CodedOutputStream.computeInt32Size(OsmandOdb.MapData.HIGHWAYMETA_FIELD_NUMBER, highwayAttributes);
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}
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// DEBUG
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MAP_DATA_SIZE += allSize;
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// writing data
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codedOutStream.writeTag(OsmandOdb.MapTree.LEAFS_FIELD_NUMBER, WireFormat.FieldType.MESSAGE.getWireType());
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codedOutStream.writeRawVarint32(allSize);
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codedOutStream.writeTag(OsmandOdb.MapData.COORDINATES_FIELD_NUMBER, WireFormat.FieldType.BYTES.getWireType());
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codedOutStream.writeRawVarint32(sizeCoordinates);
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px = bounds.leftX;
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py = bounds.topY;
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for (int i = 0; i < nodes.length / 8; i++) {
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int x = Algoritms.parseIntFromBytes(nodes, i * 8);
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int y = Algoritms.parseIntFromBytes(nodes, i * 8 + 4);
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codedOutStream.writeSInt32NoTag(codeCoordinateDifference(x, px));
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codedOutStream.writeSInt32NoTag(codeCoordinateDifference(y, py));
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px = x;
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py = y;
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}
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codedOutStream.writeTag(OsmandOdb.MapData.TYPES_FIELD_NUMBER, WireFormat.FieldType.BYTES.getWireType());
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codedOutStream.writeRawVarint32(types.length);
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codedOutStream.writeRawBytes(types);
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codedOutStream.writeSInt64(OsmandOdb.MapData.ID_FIELD_NUMBER, id - stackBaseIds.peek());
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if(name != null){
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codedOutStream.writeUInt32(OsmandOdb.MapData.STRINGID_FIELD_NUMBER, nameId);
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}
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if(restrictions.length > 0){
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codedOutStream.writeTag(OsmandOdb.MapData.RESTRICTIONS_FIELD_NUMBER, WireFormat.FieldType.BYTES.getWireType());
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codedOutStream.writeRawVarint32(restrictionsSize);
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for (int i = 0; i < restrictions.length / 8; i++) {
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long l = Algoritms.parseLongFromBytes(restrictions, i * 8) - stackBaseIds.peek();
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codedOutStream.writeSInt64NoTag(l);
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}
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}
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if(highwayAttributes != 0){
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codedOutStream.writeInt32(OsmandOdb.MapData.HIGHWAYMETA_FIELD_NUMBER, highwayAttributes);
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}
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}
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public void startWriteAddressIndex(String name) throws IOException {
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pushState(ADDRESS_INDEX_INIT, OSMAND_STRUCTURE_INIT);
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codedOutStream.writeTag(OsmandOdb.OsmAndStructure.ADDRESSINDEX_FIELD_NUMBER, WireFormat.WIRETYPE_FIXED32_LENGTH_DELIMITED);
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preserveInt32Size();
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codedOutStream.writeString(OsmandOdb.OsmAndAddressIndex.NAME_FIELD_NUMBER, name);
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}
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public void endWriteAddressIndex() throws IOException {
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popState(ADDRESS_INDEX_INIT);
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int len = writeInt32Size();
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System.out.println("ADDRESS INDEX SIZE : " + len);
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}
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private boolean checkEnNameToWrite(MapObject obj){
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if(obj.getEnName() == null){
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return false;
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}
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return !obj.getEnName().equals(Junidecode.unidecode(obj.getName()));
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}
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public void writeCityIndex(City city, List<Street> streets) throws IOException {
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if(city.getType() == City.CityType.CITY || city.getType() == City.CityType.TOWN){
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checkPeekState(CITY_INDEX_INIT);
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} else {
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checkPeekState(VILLAGES_INDEX_INIT);
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}
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CityIndex.Builder cityInd = OsmandOdb.CityIndex.newBuilder();
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cityInd.setCityType(city.getType().ordinal());
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cityInd.setId(city.getId());
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cityInd.setName(city.getName());
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if(checkEnNameToWrite(city)){
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cityInd.setNameEn(city.getEnName());
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}
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cityInd.setX(MapUtils.get31TileNumberX(city.getLocation().getLongitude()));
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cityInd.setY(MapUtils.get31TileNumberY(city.getLocation().getLatitude()));
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for(Street s : streets){
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StreetIndex streetInd = createStreetAndBuildings(s, city.getLocation(), null);
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cityInd.addStreets(streetInd);
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}
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codedOutStream.writeMessage(OsmandOdb.CitiesIndex.CITIES_FIELD_NUMBER, cityInd.build());
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}
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public void startCityIndexes(boolean villages) throws IOException {
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pushState(villages ? VILLAGES_INDEX_INIT : CITY_INDEX_INIT, ADDRESS_INDEX_INIT);
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codedOutStream.writeTag(villages ? OsmandOdb.OsmAndAddressIndex.VILLAGES_FIELD_NUMBER
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: OsmandOdb.OsmAndAddressIndex.CITIES_FIELD_NUMBER, WireFormat.WIRETYPE_FIXED32_LENGTH_DELIMITED);
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preserveInt32Size();
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}
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public void endCityIndexes(boolean villages) throws IOException {
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popState(villages ? VILLAGES_INDEX_INIT : CITY_INDEX_INIT);
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int length = writeInt32Size();
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System.out.println("CITIES size " + length + " " + villages);
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}
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public void startPostcodes() throws IOException {
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pushState(POSTCODES_INDEX_INIT, ADDRESS_INDEX_INIT);
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codedOutStream.writeTag(OsmandOdb.OsmAndAddressIndex.POSTCODES_FIELD_NUMBER, WireFormat.WIRETYPE_FIXED32_LENGTH_DELIMITED);
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preserveInt32Size();
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}
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public void endPostcodes() throws IOException {
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popState(POSTCODES_INDEX_INIT);
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int postcodes = writeInt32Size();
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System.out.println("POSTCODES size " + postcodes);
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}
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public void writePostcode(String postcode, Collection<Street> streets) throws IOException {
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checkPeekState(POSTCODES_INDEX_INIT);
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if(streets.isEmpty()){
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return;
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}
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postcode = postcode.toUpperCase();
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LatLon loc = streets.iterator().next().getLocation();
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PostcodeIndex.Builder post = OsmandOdb.PostcodeIndex.newBuilder();
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post.setPostcode(postcode);
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post.setX(MapUtils.get31TileNumberX(loc.getLongitude()));
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post.setY(MapUtils.get31TileNumberY(loc.getLatitude()));
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for(Street s : streets){
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StreetIndex streetInd = createStreetAndBuildings(s, loc, postcode);
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post.addStreets(streetInd);
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}
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codedOutStream.writeMessage(OsmandOdb.PostcodesIndex.POSTCODES_FIELD_NUMBER, post.build());
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}
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protected StreetIndex createStreetAndBuildings(Street street, LatLon l, String postcodeFilter) throws IOException {
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checkPeekState(CITY_INDEX_INIT, VILLAGES_INDEX_INIT, POSTCODES_INDEX_INIT);
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boolean inCity = state.peek() == CITY_INDEX_INIT || state.peek() == VILLAGES_INDEX_INIT;
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StreetIndex.Builder streetBuilder = OsmandOdb.StreetIndex.newBuilder();
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streetBuilder.setName(street.getName());
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if(checkEnNameToWrite(street)){
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streetBuilder.setNameEn(street.getEnName());
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}
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streetBuilder.setId(street.getId());
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int cx = MapUtils.get31TileNumberX(l.getLongitude());
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int cy = MapUtils.get31TileNumberY(l.getLatitude());
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int sx = MapUtils.get31TileNumberX(street.getLocation().getLongitude());
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int sy = MapUtils.get31TileNumberY(street.getLocation().getLatitude());
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streetBuilder.setX((sx - cx) >> 7);
|
|
streetBuilder.setY((sy - cy) >> 7);
|
|
|
|
for(Building b : street.getBuildings()){
|
|
if(postcodeFilter != null && !postcodeFilter.equalsIgnoreCase(b.getPostcode())){
|
|
continue;
|
|
}
|
|
OsmandOdb.BuildingIndex.Builder bbuilder= OsmandOdb.BuildingIndex.newBuilder();
|
|
int bx = MapUtils.get31TileNumberX(b.getLocation().getLongitude());
|
|
int by = MapUtils.get31TileNumberY(b.getLocation().getLatitude());
|
|
bbuilder.setX((bx - sx) >> 7);
|
|
bbuilder.setY((by - sy) >> 7);
|
|
bbuilder.setId(b.getId());
|
|
bbuilder.setName(b.getName());
|
|
if(checkEnNameToWrite(b)){
|
|
bbuilder.setNameEn(b.getEnName());
|
|
}
|
|
if(inCity && b.getPostcode() != null){
|
|
bbuilder.setPostcode(b.getPostcode());
|
|
}
|
|
streetBuilder.addBuildings(bbuilder.build());
|
|
}
|
|
|
|
return streetBuilder.build();
|
|
}
|
|
|
|
|
|
private void pushState(int push, int peek){
|
|
if(state.peek() != peek){
|
|
throw new IllegalStateException("expected " + peek+ " != "+ state.peek());
|
|
}
|
|
state.push(push);
|
|
}
|
|
|
|
private void checkPeekState(int... states) {
|
|
for (int i = 0; i < states.length; i++) {
|
|
if (states[i] == state.peek()) {
|
|
return;
|
|
}
|
|
}
|
|
throw new IllegalStateException("Note expected state : " + state.peek());
|
|
}
|
|
|
|
private void popState(int state){
|
|
Integer st = this.state.pop();
|
|
if(st != state){
|
|
throw new IllegalStateException("expected " + state + " != "+ st);
|
|
}
|
|
}
|
|
|
|
public void close() throws IOException{
|
|
checkPeekState(OSMAND_STRUCTURE_INIT);
|
|
codedOutStream.writeInt32(OsmandOdb.OsmAndStructure.VERSIONCONFIRM_FIELD_NUMBER, IndexConstants.BINARY_MAP_VERSION);
|
|
codedOutStream.flush();
|
|
}
|
|
}
|