public void UnitRd_TryGetValueForUnfoundKeyString()
{
#if TEST_BCL
var sd = new SortedDictionary <string, int> (StringComparer.Ordinal);
#else
var sd = new RankedDictionary <string, int> (StringComparer.Ordinal)
{
Capacity = 4
};
#endif
for (char c = 'A'; c <= 'Z'; ++c)
{
sd.Add(c.ToString(), (int)c);
}
bool result1 = sd.TryGetValue("M", out int val1);
bool result2 = sd.TryGetValue("U", out int val2);
bool result3 = sd.TryGetValue("$", out int val3);
Assert.AreEqual(val1, 'M');
Assert.AreEqual(val2, 'U');
Assert.IsTrue(result1);
Assert.IsTrue(result2);
Assert.IsFalse(result3);
}
static void Main()
{
#region Ctor0
// Instantiate with four ISO 3166-1 country codes:
var cc = new RankedDictionary <string, string>
{
{ "TO", "Tonga" },
{ "DD", "German Democratic Republic" },
{ "CH", "Switzerland" },
{ "RU", "Burundi" }
};
#endregion
#region Add
// The Add method throws an exception if the new key is
// already in the dictionary.
try
{
cc.Add("DD", "East Germany");
}
catch (ArgumentException)
{
Console.WriteLine("An element with Key = 'DD' already exists.");
}
#endregion
// The Item property is another name for the indexer,
// so you can omit its name when accessing elements.
Console.WriteLine($"For key = 'CH', value = {cc["CH"]}.");
#region Indexer
// The indexer can be used to change the value associated with a key.
cc["RU"] = "Russian Federation";
// The indexer can be used to get a value for a key.
Console.WriteLine($"For key = 'RU', value = {cc["RU"]}.");
// If a key does not exist, setting the indexer for that key
// adds a new key/value pair.
cc["SS"] = "South Sudan";
#endregion
// The indexer throws an exception if the supplied key is
// not in the dictionary.
try
{
Console.WriteLine($"For key = 'ZZ', value = {cc["ZZ"]}.");
}
catch (KeyNotFoundException)
{
Console.WriteLine("Key = 'ZZ' is not found.");
}
#region TryGetValue
// When a program often has to try keys that are usually not in the
// dictionary, TryGetValue can be a more efficient way to get values.
if (cc.TryGetValue("ZZ", out string value))
{
Console.WriteLine($"For key = 'ZZ', value = {value}.");
}
else
{
Console.WriteLine("Key = 'ZZ' is not found.");
}
#endregion
#region ContainsKey
// ContainsKey can be used to test keys before inserting them.
if (!cc.ContainsKey("GG"))
{
cc.Add("GG", "Guernsey");
Console.WriteLine($"Value added for key = 'GG': {cc["GG"]}");
}
#endregion
// When you use foreach to enumerate dictionary elements,
// the elements are retrieved as KeyValuePair instances.
Console.WriteLine();
foreach (KeyValuePair <string, string> pair in cc)
{
Console.WriteLine($"Key = {pair.Key}, Value = {pair.Value}");
}
#region Values
// To get the values alone, use the Values property.
RankedDictionary <string, string> .ValueCollection vals = cc.Values;
// The elements of the ValueCollection are strongly typed
// with the type that was specified for dictionary values.
Console.WriteLine();
foreach (string val in vals)
{
Console.WriteLine($"Value = {val}");
}
#endregion
#region Keys
// To get the keys alone, use the Keys property.
RankedDictionary <string, string> .KeyCollection keys = cc.Keys;
// The elements of the KeyCollection are strongly typed
// with the type that was specified for dictionary keys.
Console.WriteLine();
foreach (string key in keys)
{
Console.WriteLine($"Key = {key}");
}
#endregion
// Use the Remove method to remove a key/value pair.
Console.WriteLine("\nRemoving 'DD'.");
cc.Remove("DD");
Console.WriteLine("\nChecking if 'DD' exists:");
if (!cc.ContainsKey("DD"))
{
Console.WriteLine(" Key 'DD' not found.");
}
}
public void ReadData()
{
var allNodes = new Dictionary <long, Node>();
RankedDictionary <double, RankedDictionary <double, SeattleNode> > orderedNodes = new RankedDictionary <double, RankedDictionary <double, SeattleNode> >();
var reader = XmlReader.Create(new FileStream(_sourceXml, FileMode.Open));
HashSet <string> nodeNames = new HashSet <string>()
{
{ "node" },
{ "way" },
};
foreach (var data in ElementsNamed(reader, nodeNames))
{
TagInfo tags = new TagInfo();
switch (data.Name.LocalName)
{
case "node":
var id = Convert.ToInt64(data.Attribute("id").Value);
var lat = Convert.ToDouble(data.Attribute("lat").Value);
var longitude = Convert.ToDouble(data.Attribute("lon").Value);
foreach (var node in data.Descendants())
{
switch (node.Name.LocalName)
{
case "tag":
ReadTag(ref tags, node);
break;
}
}
Node newNode;
if (tags.houseNumber != null && tags.street != null)
{
RankedDictionary <double, SeattleNode> longNodes;
if (!orderedNodes.TryGetValue(lat, out longNodes))
{
longNodes = orderedNodes[lat] = new RankedDictionary <double, SeattleNode>();
}
allNodes[id] = newNode = longNodes[longitude] = new SeattleNode(lat, longitude, id, tags.name, tags.houseNumber, tags.street, tags.stories);
}
else
{
newNode = allNodes[id] = new Node(lat, longitude);
}
if (tags.crossing == CrossingType.Zebra)
{
var zebra = Ways[id] = new Way(
tags.name,
new[] { newNode },
tags.lanes,
tags.roadType,
tags.sidewalk,
tags.layer,
tags.crossing,
tags.surface,
tags.oneWay
);
}
else if (tags.roadType == RoadType.BusStop)
{
if (tags.name != null && (tags.shelter ?? false))
{
var streetNames = tags.name.Split('&');
if (streetNames.Length != 2)
{
Console.WriteLine("BS: {0}", tags.name);
}
var normalized = NormalizeName(streetNames[0]);
List <Node> busNodes;
if (!BusStops.TryGetValue(normalized, out busNodes))
{
BusStops[normalized] = busNodes = new List <Node>();
}
busNodes.Add(newNode);
}
}
else if (tags.signType != SignType.None)
{
Signs[newNode] = tags.signType;
}
break;
case "way":
List <Node> nodes = new List <Node>();
foreach (var node in data.Descendants())
{
switch (node.Name.LocalName)
{
case "nd":
nodes.Add(allNodes[Convert.ToInt64(node.Attribute("ref").Value)]);
break;
case "tag":
ReadTag(ref tags, node);
break;
}
}
RoofInfo roof = null;
if (tags.roofType != RoofType.None ||
tags.roofColor != null)
{
roof = new RoofInfo(tags.roofType, tags.roofColor, tags.roofDirection, tags.roofHeight, tags.roofMaterial, tags.roofOrientationAcross);
}
if (tags.building != BuildingType.None)
{
var buildingObj = Buildings[Convert.ToInt64(data.Attribute("id").Value)] = new Building(
tags.name,
tags.houseNumber,
tags.street,
tags.amenity,
tags.material,
roof,
nodes.ToArray()
);
buildingObj.Stories = tags.stories;
if (tags.houseNumber != null && tags.street != null)
{
BuildingsByAddress[tags.houseNumber + " " + tags.street] = buildingObj;
}
double maxLat = double.MinValue, minLat = double.MaxValue, maxLong = double.MinValue, minLong = double.MaxValue;
foreach (var point in nodes)
{
maxLat = Math.Max(point.Lat, maxLat);
minLat = Math.Min(point.Lat, minLat);
maxLong = Math.Max(point.Long, maxLong);
minLong = Math.Min(point.Long, minLong);
}
int itemsCount = 0;
foreach (var group in orderedNodes.ElementsBetween(minLat, maxLat))
{
foreach (var longAndNode in group.Value.ElementsBetween(minLong, maxLong))
{
var node = longAndNode.Value;
if (node.Lat >= minLat && node.Lat <= maxLat &&
node.Long >= minLong && node.Long <= maxLong)
{
var buildingFromPoint = Buildings[node.NodeNumber] = new Building(
node.Name ?? tags.name,
node.HouseNumber,
node.Street,
tags.amenity,
tags.material,
node.Lat,
node.Long,
roof,
nodes.ToArray());
buildingFromPoint.Stories = tags.stories;
itemsCount++;
Console.WriteLine("ByAddressNode: " + node.HouseNumber + " " + node.Street + " (" + itemsCount + ")");
BuildingsByAddress[node.HouseNumber + " " + node.Street] = buildingFromPoint;
}
}
}
}
else if (tags.roadType != RoadType.None)
{
var road = Ways[Convert.ToInt64(data.Attribute("id").Value)] = new Way(
tags.name,
nodes.ToArray(),
tags.lanes,
tags.roadType,
tags.sidewalk,
tags.layer,
tags.crossing,
tags.surface,
tags.oneWay
);
foreach (var point in nodes)
{
List <Way> ways;
if (!RoadsByNode.TryGetValue(point, out ways))
{
RoadsByNode[point] = ways = new List <Way>(1);
}
ways.Add(road);
}
if (tags.name != null)
{
List <Way> roads;
if (!RoadsByName.TryGetValue(tags.name, out roads))
{
roads = RoadsByName[tags.name] = new List <Way>();
}
roads.Add(road);
}
}
else if (tags.barrier != BarrierKind.None)
{
Barriers.Add(new Barrier(nodes.ToArray(), tags.barrier, tags.wall));
}
break;
}
}
}