public static GraphEdge parse(Graph graph, String line)
{
try
{
string[] items = line.Split(DELIMITER);
return new GraphEdge(
graph.getPoint(Convert.ToInt32(items[0])),
graph.getPoint(Convert.ToInt32(items[1])),
Convert.ToDouble(items[2]));
}
catch (System.Exception e)
{
throw new GraphParseException("Edge parse error.", line, e);
}
}
public static Graph load(String fileName)
{
Graph graph = new Graph();
try
{
String directory = Path.GetDirectoryName(fileName);
String baseFileName = Path.GetFileNameWithoutExtension(fileName);
String pointsFileName = GraphElement.buildPath(directory, baseFileName, GraphPoint.EXTENSION);
String edgesFileName = GraphElement.buildPath(directory, baseFileName, GraphEdge.EXTENSION);
GraphElement.load(pointsFileName, graph, GraphPoint.parse);
GraphElement.load(edgesFileName, graph, GraphEdge.parse);
}
catch (System.Exception e)
{
throw new BadFileFormatException("Unexpected error while parsing '" + fileName + "'.", e);
}
return graph;
}
public static GraphPoint parse(Graph graph, String line)
{
try
{
string[] items = line.Split(DELIMITER);
return new GraphPoint(
Convert.ToInt32(items[0]),
items[1],
Convert.ToDouble(items[2]),
Convert.ToDouble(items[3]),
Convert.ToDouble(items[4]),
Convert.ToByte(items[5]),
Convert.ToByte(items[6]),
Convert.ToByte(items[7]));
}
catch (System.Exception e)
{
throw new GraphParseException("GraphPoint parse error.", line, e);
}
}
public static void load(string fileName, Graph graph, GraphParser parser)
{
StreamReader reader = null;
try
{
reader = new StreamReader(File.Open(fileName, FileMode.Open));
String line = "";
while ((line = reader.ReadLine()) != null)
{
graph.add(parser(graph, line));
}
}
catch (System.Exception e)
{
throw new BadFileFormatException("Unexpected error while parsing '" + fileName + "'.", e);
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
