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package cgeo.geocaching.files;
import cgeo.geocaching.ParseResult;
import cgeo.geocaching.Settings;
import cgeo.geocaching.cgCache;
import cgeo.geocaching.cgCoord;
import cgeo.geocaching.enumerations.CacheSize;
import cgeo.geocaching.enumerations.CacheType;
import cgeo.geocaching.geopoint.GeopointParser;
import cgeo.geocaching.utils.CancellableHandler;
import org.apache.commons.lang3.StringUtils;
import android.util.Log;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public final class LocParser extends FileParser {
private static final Pattern patternGeocode = Pattern
.compile("name id=\"([^\"]+)\"");
private static final Pattern patternLat = Pattern
.compile("lat=\"([^\"]+)\"");
private static final Pattern patternLon = Pattern
.compile("lon=\"([^\"]+)\"");
// premium only >>
private static final Pattern patternDifficulty = Pattern
.compile("<difficulty>([^<]+)</difficulty>");
private static final Pattern patternTerrain = Pattern
.compile("<terrain>([^<]+)</terrain>");
private static final Pattern patternContainer = Pattern
.compile("<container>([^<]+)</container>");
private static final Pattern patternName = Pattern.compile("CDATA\\[([^\\]]+)\\]");
private int listId;
public static void parseLoc(final ParseResult parseResult, final String fileContent) {
final Map<String, cgCoord> cidCoords = parseCoordinates(fileContent);
// save found cache coordinates
for (cgCache cache : parseResult.cacheList) {
if (cidCoords.containsKey(cache.getGeocode())) {
cgCoord coord = cidCoords.get(cache.getGeocode());
copyCoordToCache(coord, cache);
}
}
}
private static void copyCoordToCache(final cgCoord coord, final cgCache cache) {
cache.setCoords(coord.getCoords());
cache.setDifficulty(coord.getDifficulty());
cache.setTerrain(coord.getTerrain());
cache.setSize(coord.getSize());
cache.setGeocode(coord.getGeocode().toUpperCase());
if (StringUtils.isBlank(cache.getName())) {
cache.setName(coord.getName());
}
}
static Map<String, cgCoord> parseCoordinates(
final String fileContent) {
final Map<String, cgCoord> coords = new HashMap<String, cgCoord>();
if (StringUtils.isBlank(fileContent)) {
return coords;
}
// >> premium only
final String[] points = fileContent.split("<waypoint>");
// parse coordinates
for (String pointString : points) {
final cgCoord pointCoord = new cgCoord();
final Matcher matcherGeocode = patternGeocode.matcher(pointString);
if (matcherGeocode.find()) {
String geocode = matcherGeocode.group(1).trim().toUpperCase();
pointCoord.setName(geocode);
pointCoord.setGeocode(geocode);
}
final Matcher matcherName = patternName.matcher(pointString);
if (matcherName.find()) {
String name = matcherName.group(1).trim();
pointCoord.setName(StringUtils.substringBeforeLast(name, " by ").trim());
// owner = StringUtils.substringAfterLast(" by ").trim();
}
final Matcher matcherLat = patternLat.matcher(pointString);
final Matcher matcherLon = patternLon.matcher(pointString);
if (matcherLat.find() && matcherLon.find()) {
pointCoord.setCoords(GeopointParser.parse(matcherLat.group(1).trim(), matcherLon.group(1).trim()));
}
final Matcher matcherDifficulty = patternDifficulty.matcher(pointString);
if (matcherDifficulty.find()) {
pointCoord.setDifficulty(Float.parseFloat(matcherDifficulty.group(1).trim()));
}
final Matcher matcherTerrain = patternTerrain.matcher(pointString);
if (matcherTerrain.find()) {
pointCoord.setTerrain(Float.parseFloat(matcherTerrain.group(1).trim()));
}
final Matcher matcherContainer = patternContainer.matcher(pointString);
if (matcherContainer.find()) {
final int size = Integer.parseInt(matcherContainer.group(1)
.trim());
if (size == 1) {
pointCoord.setSize(CacheSize.NOT_CHOSEN);
} else if (size == 2) {
pointCoord.setSize(CacheSize.MICRO);
} else if (size == 3) {
pointCoord.setSize(CacheSize.REGULAR);
} else if (size == 4) {
pointCoord.setSize(CacheSize.LARGE);
} else if (size == 5) {
pointCoord.setSize(CacheSize.VIRTUAL);
} else if (size == 6) {
pointCoord.setSize(CacheSize.OTHER);
} else if (size == 8) {
pointCoord.setSize(CacheSize.SMALL);
} else {
pointCoord.setSize(CacheSize.UNKNOWN);
}
}
if (StringUtils.isNotBlank(pointCoord.getGeocode())) {
coords.put(pointCoord.getGeocode(), pointCoord);
}
}
Log.i(Settings.tag,
"Coordinates found in .loc file: " + coords.size());
return coords;
}
public LocParser(int listId) {
this.listId = listId;
}
@Override
public Collection<cgCache> parse(InputStream stream, CancellableHandler progressHandler) throws IOException, ParserException {
// TODO: progress reporting happens during reading stream only, not during parsing
String streamContent = readStream(stream, progressHandler).toString();
final Map<String, cgCoord> coords = parseCoordinates(streamContent);
final List<cgCache> caches = new ArrayList<cgCache>();
for (Entry<String, cgCoord> entry : coords.entrySet()) {
cgCoord coord = entry.getValue();
if (StringUtils.isBlank(coord.getGeocode()) || StringUtils.isBlank(coord.getName())) {
continue;
}
cgCache cache = new cgCache();
cache.setReliableLatLon(true);
copyCoordToCache(coord, cache);
caches.add(cache);
fixCache(cache);
cache.setType(CacheType.UNKNOWN); // type is not given in the LOC file
cache.setListId(listId);
cache.setDetailed(true);
}
Log.i(Settings.tag, "Caches found in .loc file: " + caches.size());
return caches;
}
}
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