/// <summary>
/// add a new location to the cache
/// </summary>
public void addToCache(Address address)
{
//if the location's zone matches a cache file name
//then store it in the cache
//else create a new cache
if (address.AddressString == "")
return;
if (_currentCache != null
&& address.GpxLocation.Zone == _currentCache.Name)
_currentCache.write(address.GpxLocation.Key, address);
else {
bool foundCache = false;
foreach (Cache c in _caches) {
if (address.GpxLocation.Zone == c.Name) {
_currentCache = c;
foundCache = true;
c.write(address.GpxLocation.Key, address);
}
}
//create the cache and store the location
if (!foundCache) {
Cache c = new Cache(address.GpxLocation.Zone);
_currentCache = c;
c.write(address.GpxLocation.Key, address);
_caches.Add(c);
}
}
}
/// <summary>
/// constructor called when a deep copy is required
/// </summary>
public Address(Address a)
{
_address = a._address;
_geocodedLocation = a._geocodedLocation;
_gpxLocation = a._gpxLocation;
_status = a._status;
_streetName = a._streetName;
_xml = a._xml;
}
/// <summary>
/// constructor for the turn object
/// </summary>
public Turn(Address one,
Address two,
Address three)
{
_locs = new Address[3];
_locs[0] = one;
_locs[1] = two;
_locs[2] = three;
}
public PointOfInterest(Location loc, Address one, Address two, Address three)
: base(one, two, three)
{
_locationFromMouse = loc;
}
/// <summary>
/// given a filename, return a chache from disk
/// </summary>
Cache readCache(string fileName)
{
//read index, street name, and full street address
StreamReader sr = new StreamReader(fileName);
Address address = null;
Cache c = null;
//use windows or unix file paths
if (_win) c = new Cache(fileName.Remove(0, fileName.LastIndexOf("\\") + 1));
else c = new Cache(fileName.Remove(0, fileName.LastIndexOf("/") + 1));
string key, addressString, streetName, s;
while (!sr.EndOfStream) {
s = sr.ReadLine();
key = s.Substring(0, s.IndexOf("\t"));
s = s.Remove(0, s.IndexOf("\t") + 1);
streetName = s.Substring(0, s.IndexOf("\t"));
s = s.Remove(0, s.IndexOf("\t") + 1);
addressString = s;
address = new Address(addressString, streetName);
c.Tree.insert(long.Parse(key), address);
}
sr.Close();
return c;
}
/// <summary>
/// looks up a location in the cache given an input location
/// </summary>
public Address lookup(Location wpt)
{
_cacheHit = false;
//lookup the location in a cache
//if it is not present, return null
if (_currentCache == null) return null;
if (wpt.Zone != _currentCache.Name) {
foreach (Cache c in _caches) {
if (wpt.Zone == c.Name)
_currentCache = c;
}
}
_tempLocation = (Address)_currentCache.read(wpt.Key);
if (_tempLocation != null) {
_cacheHit = true;
_tempLocation.GpxLocation = wpt;
}
return _tempLocation;
}
