public void setCharacterType(String cs, boolean forceUpper) {
log.info("encoding type " + cs);
CodeFunctions cfuncs = CodeFunctions.createEncoderForLBL(cs);
lblHeader.setEncodingType(cfuncs.getEncodingType());
textEncoder = cfuncs.getEncoder();
if (forceUpper && textEncoder instanceof BaseEncoder) {
BaseEncoder baseEncoder = (BaseEncoder) textEncoder;
baseEncoder.setUpperCase(true);
}
if (lblHeader.getCodePage() == 0) setCodePage(cfuncs.getCodepage());
}
/**
* The file that holds all the labels for the map.
*
* <p>Would be quite simple, but there are a number of sections that hold country, region, city,
* etc. records.
*
* <p>To begin with I shall only support regular labels.
*
* @author Steve Ratcliffe
*/
public class LBLFile extends ImgFile {
private static final Logger log = Logger.getLogger(LBLFile.class);
private CharacterEncoder textEncoder = CodeFunctions.getDefaultEncoder();
private final Map<String, Label> labelCache = new HashMap<String, Label>();
private final LBLHeader lblHeader = new LBLHeader();
private final PlacesFile places = new PlacesFile();
public LBLFile(ImgChannel chan) {
setHeader(lblHeader);
setWriter(new BufferedImgFileWriter(chan));
position(LBLHeader.HEADER_LEN + LBLHeader.INFO_LEN);
// The zero offset is for no label.
getWriter().put((byte) 0);
places.init(this, lblHeader.getPlaceHeader());
}
public void write() {
writeBody();
}
public void writePost() {
// Now that the body is written all the required offsets will be set up
// inside the header, so we can go back and write it.
getHeader().writeHeader(getWriter());
// Text can be put between the header and the body of the file.
getWriter().put(Utils.toBytes("mkgmap"));
}
private void writeBody() {
// The label section has already been written, but we need to record
// its size before doing anything else.
lblHeader.setLabelSize(getWriter().position() - (LBLHeader.HEADER_LEN + LBLHeader.INFO_LEN));
places.write(getWriter());
}
public void setCharacterType(String cs, boolean forceUpper) {
log.info("encoding type " + cs);
CodeFunctions cfuncs = CodeFunctions.createEncoderForLBL(cs);
lblHeader.setEncodingType(cfuncs.getEncodingType());
textEncoder = cfuncs.getEncoder();
if (forceUpper && textEncoder instanceof BaseEncoder) {
BaseEncoder baseEncoder = (BaseEncoder) textEncoder;
baseEncoder.setUpperCase(true);
}
if (lblHeader.getCodePage() == 0) setCodePage(cfuncs.getCodepage());
}
/**
* Add a new label with the given text. Labels are shared, so that identical text is always
* represented by the same label.
*
* @param text The text of the label, it will be in uppercase.
* @return A reference to the created label.
*/
public Label newLabel(String text) {
// if required, fold case now so that labelCache doesn't
// contain multiple labels that only differ in letter case
if (text != null
&& (textEncoder instanceof Format6Encoder
|| textEncoder instanceof BaseEncoder && ((BaseEncoder) textEncoder).isUpperCase()))
text = text.toUpperCase(Locale.ENGLISH);
Label l = labelCache.get(text);
if (l == null) {
l = new Label(text);
labelCache.put(text, l);
l.setOffset(position() - (LBLHeader.HEADER_LEN + LBLHeader.INFO_LEN));
l.write(getWriter(), textEncoder);
}
return l;
}
public POIRecord createPOI(String name) {
return places.createPOI(name);
}
public POIRecord createExitPOI(String name, Exit exit) {
return places.createExitPOI(name, exit);
}
public POIIndex createPOIIndex(String name, int poiIndex, Subdivision group, int type) {
return places.createPOIIndex(name, poiIndex, group, type);
}
public Country createCountry(String name, String abbr) {
return places.createCountry(name, abbr);
}
public Region createRegion(Country country, String region, String abbr) {
return places.createRegion(country, region, abbr);
}
public City createCity(Region region, String city, boolean unique) {
return places.createCity(region, city, unique);
}
public City createCity(Country country, String city, boolean unique) {
return places.createCity(country, city, unique);
}
public Zip createZip(String code) {
return places.createZip(code);
}
public Highway createHighway(Region region, String name) {
return places.createHighway(region, name);
}
public ExitFacility createExitFacility(
int type, char direction, int facilities, String description, boolean last) {
return places.createExitFacility(type, direction, facilities, description, last);
}
public void allPOIsDone() {
places.allPOIsDone();
}
public void setCodePage(int codePage) {
lblHeader.setCodePage(codePage);
}
public int numCities() {
return places.numCities();
}
public int numZips() {
return places.numZips();
}
public int numHighways() {
return places.numHighways();
}
public int numExitFacilities() {
return places.numExitFacilities();
}
}
