public SubwayMap LoadSubwayMap(string path)
{
if (!File.Exists(path))
{
throw new FileNotFoundException("文件不存在！");
}
if (new FileInfo(path).Extension.ToLowerInvariant() != ".xml")
{
throw new FormatException("文件类型错误！");
}
SubwayMap SubwayMap = new SubwayMap();
XmlDocument doc = new XmlDocument();
doc.Load(path);
XmlNodeList lines = doc.DocumentElement.ChildNodes;
foreach (XmlNode eachline in lines)
{
string lineName = eachline.Attributes.GetNamedItem("lid").InnerXml;
string lineColor = eachline.Attributes.GetNamedItem("lc").InnerXml.Remove(0, 2);
string lineLabel = eachline.Attributes.GetNamedItem("lb").InnerXml;
SubwayMap.AddSubwayLine(lineName, lineLabel, "#" + lineColor);
XmlNodeList stations = eachline.ChildNodes;
string lastName = "";
foreach (XmlNode sta in stations)
{
XmlAttributeCollection a = sta.Attributes;
if (a.GetNamedItem("iu") == null || a.GetNamedItem("iu").InnerXml == null || a.GetNamedItem("iu").InnerXml == "" || a.GetNamedItem("iu").InnerXml == "false")
{
continue;
}
string stationName = a.GetNamedItem("sid").InnerXml;
if (stationName == null || stationName == "")
{
continue;
}
double x = Convert.ToDouble(a.GetNamedItem("x").InnerXml);
double y = Convert.ToDouble(a.GetNamedItem("y").InnerXml);
bool isTransfer = Convert.ToBoolean(a.GetNamedItem("ex").InnerXml);
SubwayMap.AddStation(stationName, x, y, isTransfer);
if (lastName != "")
{
DoubleLineCheck(SubwayMap, lastName, stationName, lineName);
}
lastName = stationName;
}
if (eachline.Attributes.GetNamedItem("loop").InnerXml == "true")
{
string stationName = stations[0].Attributes.GetNamedItem("sid").InnerXml;
DoubleLineCheck(SubwayMap, lastName, stationName, lineName);
}
}
SubwayMap.SortStations();
return(SubwayMap);
}
private void DoubleLineCheck(SubwayMap subwayMap, string lastName, string stationName, string lineName)
{
if (subwayMap.Connections.Exists(w => w.BeginStation.Name == lastName && w.EndStation.Name == stationName && w.Type != -1))
{
subwayMap.Connections.Find(w => w.BeginStation.Name == lastName && w.EndStation.Name == stationName && w.Type != -1).Type = 1;
subwayMap.AddConnection(lastName, stationName, lineName, 2);
subwayMap.AddConnection(stationName, lastName, lineName, -1);
}
else if (subwayMap.Connections.Exists(w => w.BeginStation.Name == stationName && w.EndStation.Name == lastName && w.Type != -1))
{
subwayMap.Connections.Find(w => w.BeginStation.Name == stationName && w.EndStation.Name == lastName && w.Type != -1).Type = 1;
subwayMap.AddConnection(stationName, lastName, lineName, 2);
subwayMap.AddConnection(lastName, stationName, lineName, -1);
}
else
{
subwayMap.AddConnection(lastName, stationName, lineName, 0);
subwayMap.AddConnection(stationName, lastName, lineName, -1);
}
}
public void SelectFunction(MainWindow mainWindow, string[] args)
{
mainWindow.Hide();
if (args.Length == 1 && args[0] != "-g")
{
try
{
RefreshMap(args[0]);
}
catch (Exception)
{
Console.WriteLine("没有此城市");
goto CLOSE;
}
while (true)
{
string input = System.Console.ReadLine();
if (input != "exit")
{
Printer.PrintSubwayLine(SubwayMap.GetLineByLabel(input));
}
else
{
goto CLOSE;
}
}
}
else if (args.Length == 1 && args[0] == "-g")
{
mainWindow.Show();
return;
}
else if (args.Length == 4)
{
try
{
RefreshMap(args[0]);
}
catch (Exception)
{
Console.WriteLine("没有此城市");
goto CLOSE;
}
SubwayMap.SetStartStation(args[2]);
SubwayMap.SetEndStation(args[3]);
try
{
route = SubwayMap.GetDirections(args[1]);
}
catch (Exception)
{
Console.WriteLine("始末站点错误");
goto CLOSE;
}
Printer.PrintDirections(route);
}
else
{
Printer.WriteLine("输入格式错误");
goto CLOSE;
}
CLOSE:
mainWindow.Close();
}