/// <summary>
/// Creates a new instance of TSP file data extractor
/// </summary>
/// <param name="tspFile">tsp file to use</param>
public TspFileDataExtractor(TspFile tspFile)
{
if (tspFile == null)
{
throw new ArgumentNullException("tspFile");
}
this.tspFile = tspFile;
}
/// <summary>
/// Creates a new instance of TSP file data extractor
/// </summary>
/// <param name="tspFile">tsp file to use</param>
public TspFileDataExtractor(TspFile tspFile)
{
if (tspFile == null)
{
throw new ArgumentNullException("tspFile");
}
this.tspFile = tspFile;
}
/// <summary>
/// Loads TSP file
/// </summary>
/// <param name="fileName">file to load</param>
/// <returns>Loaed tsp file</returns>
public static TspFile Load(string fileName)
{
TspFile result = null;
TspFileLoader loader = new TspFileLoader();
using (StreamReader reader = new StreamReader(fileName))
{
result = loader.Load(reader);
reader.Close();
}
return(result);
}
/// <summary>
/// Loads TSP from string
/// </summary>
/// <param name="content">tsp task</param>
/// <returns>Load tsp file</returns>
public static TspFile LoadFromString(string content)
{
TspFile result = null;
TspFileLoader loader = new TspFileLoader();
using (var ms = new MemoryStream(Encoding.UTF8.GetBytes(content)))
{
using (StreamReader reader = new StreamReader(ms))
{
result = loader.Load(reader);
reader.Close();
}
}
return(result);
}
/// <summary>
/// Create tour from TSP file
/// </summary>
/// <param name="tspFile">tsp file to load from</param>
/// <returns>Tour read from tsp file</returns>
public static Tour FromTspFile(TspFile tspFile)
{
if (tspFile.Type != TSP.Defines.FileType.TOUR)
{
throw new ArgumentOutOfRangeException("tspFile");
}
return new Tour(tspFile.Name, tspFile.Comment, tspFile.Dimension, tspFile.Tour);
}
/// <summary>
/// Loads TSP File structure from a stream
/// </summary>
/// <param name="reader">stream reader</param>
/// <returns>TSP File structure loaded from a stream</returns>
public TspFile Load(System.IO.StreamReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
List <string> lines = new List <string>();
while (!reader.EndOfStream)
{
string line = reader.ReadLine();
line = line.Trim();
if (!string.IsNullOrEmpty(line))
{
lines.Add(line);
}
}
TspFile tspFile = new TspFile();
List <string[]> sections = SplitToSections(lines);
foreach (string[] section in sections)
{
string line = section[0];
if (line.StartsWith("Name", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Name = this.ReadStringFromLine(line);
}
else if (line.StartsWith("Type", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Type = this.ReadFileTypeFromLine(line);
}
else if (line.StartsWith("Comment", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Comment = this.ReadStringFromLine(line);
}
else if (line.StartsWith("Dimension", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Dimension = this.ReadIntFromLine(line);
}
else if (line.StartsWith("Capacity", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Capacity = this.ReadIntFromLine(line);
}
else if (line.StartsWith("Edge_Weight_Type", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.EdgeWeightType = this.ReadEdgeWeightTypeFromLine(line);
}
else if (line.StartsWith("Edge_Weight_Format", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.EdgeWeightFormat = this.ReadEdgeWeightFormatFromLine(line);
}
else if (line.StartsWith("Edge_Data_Format", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.EdgeDataFormat = this.ReadEdgeDataFormatFromLine(line);
}
else if (line.StartsWith("Node_Coord_Type", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.NodeCoordinatesType = this.ReadNodeCoordinatesTypeFromLine(line);
}
else if (line.StartsWith("Display_Data_Type", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.DisplayDataType = this.ReadDisplayDataTypeFromLine(line);
}
else if (line.StartsWith("Node_Coord_Section", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.DisplayDataType = Defines.DisplayDataType.Coordinates;
if (tspFile.NodeCoordinatesType == Defines.NodeCoordinatesType.NoCoordinates)
{
tspFile.NodeCoordinatesType = Defines.NodeCoordinatesType.Coordinates2D;
}
if (tspFile.NodeCoordinatesType == Defines.NodeCoordinatesType.Coordinates2D)
{
tspFile.Nodes = this.ReadIntAndDoublesArrayList(section);
}
else if (tspFile.NodeCoordinatesType == Defines.NodeCoordinatesType.Coordinates3D)
{
tspFile.Nodes = this.ReadIntAndDoublesArrayList(section);
}
else
{
throw new NotSupportedException();
}
}
else if (line.StartsWith("Depot_Section", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Depots = this.ReadIntList(section);
}
else if (line.StartsWith("Demand_Section", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Demands = this.ReadIntsArrayList(section);
}
else if (line.StartsWith("Edge_Data_Section", StringComparison.InvariantCultureIgnoreCase))
{
if (tspFile.EdgeDataFormat == Defines.EdgeDataFormat.EdgeList)
{
tspFile.Edges = this.ReadIntsArrayList(section);
}
else if (tspFile.EdgeDataFormat == Defines.EdgeDataFormat.AdjacencyList)
{
tspFile.Edges = this.ReadIntsArrayList(section);
}
else
{
throw new NotSupportedException();
}
}
else if (line.StartsWith("Fixed_Edges", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.FixedEdges = this.ReadIntsArrayList(section);
}
else if (line.StartsWith("Display_Data_Section", StringComparison.InvariantCultureIgnoreCase))
{
if (tspFile.DisplayDataType == Defines.DisplayDataType.Display2D)
{
tspFile.DisplayNodes = this.ReadIntAndDoublesArrayList(section);
}
else
{
throw new NotSupportedException();
}
}
else if (line.StartsWith("Tour_Section", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Tour = this.ReadIntList(section);
}
else if (line.StartsWith("Edge_Weight_Section", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.EdgeWeights = this.ReadDoubleList(section);
}
else if (line.StartsWith("EOF", StringComparison.InvariantCultureIgnoreCase))
{
break;
}
else
{
throw new NotSupportedException();
}
}
return(tspFile);
}
/// <summary>
/// Loads TSP File structure from a stream
/// </summary>
/// <param name="reader">stream reader</param>
/// <returns>TSP File structure loaded from a stream</returns>
public TspFile Load(System.IO.StreamReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
List<string> lines = new List<string>();
while (!reader.EndOfStream)
{
string line = reader.ReadLine();
line = line.Trim();
if(!string.IsNullOrEmpty(line))
{
lines.Add(line);
}
}
TspFile tspFile = new TspFile();
List<string[]> sections = SplitToSections(lines);
foreach(string[] section in sections)
{
string line = section[0];
if (line.StartsWith("Name", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Name = this.ReadStringFromLine("Name", line);
}
else if(line.StartsWith("Type", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Type = this.ReadFileTypeFromLine("Type", line);
}
else if (line.StartsWith("Comment", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Comment = this.ReadStringFromLine("Comment", line);
}
else if (line.StartsWith("Dimension", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Dimension = this.ReadIntFromLine("Dimension", line);
}
else if (line.StartsWith("Capacity", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Capacity = this.ReadIntFromLine("Capacity", line);
}
else if (line.StartsWith("Edge_Weight_Type", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.EdgeWeightType = this.ReadEdgeWeightTypeFromLine("Edge_Weight_Type", line);
}
else if (line.StartsWith("Edge_Weight_Format", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.EdgeWeightFormat = this.ReadEdgeWeightFormatFromLine("Edge_Weight_Format", line);
}
else if (line.StartsWith("Edge_Data_Format", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.EdgeDataFormat = this.ReadEdgeDataFormatFromLine("Edge_Data_Format", line);
}
else if (line.StartsWith("Node_Coord_Type", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.NodeCoordinatesType = this.ReadNodeCoordinatesTypeFromLine("Node_Coord_Type", line);
}
else if (line.StartsWith("Display_Data_Type", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.DisplayDataType = this.ReadDisplayDataTypeFromLine("Display_Data_Type", line);
}
else if (line.StartsWith("Node_Coord_Section", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.DisplayDataType = Defines.DisplayDataType.Coordinates;
if (tspFile.NodeCoordinatesType == Defines.NodeCoordinatesType.NoCoordinates)
{
tspFile.NodeCoordinatesType = Defines.NodeCoordinatesType.Coordinates2D;
}
if(tspFile.NodeCoordinatesType == Defines.NodeCoordinatesType.Coordinates2D)
{
tspFile.Nodes = this.ReadIntAndDoublesArrayList("Node_Coord_Section", section);
}
else if(tspFile.NodeCoordinatesType == Defines.NodeCoordinatesType.Coordinates3D)
{
tspFile.Nodes = this.ReadIntAndDoublesArrayList("Node_Coord_Section", section);
}
else throw new NotSupportedException();
}
else if (line.StartsWith("Depot_Section", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Depots = this.ReadIntList("Depot_Section", section);
}
else if (line.StartsWith("Demand_Section", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Demands = this.ReadIntsArrayList("Demand_Section", section);
}
else if (line.StartsWith("Edge_Data_Section", StringComparison.InvariantCultureIgnoreCase))
{
if (tspFile.EdgeDataFormat == Defines.EdgeDataFormat.EdgeList)
{
tspFile.Edges = this.ReadIntsArrayList("Edge_Data_Section", section);
}
else if (tspFile.EdgeDataFormat == Defines.EdgeDataFormat.AdjacencyList)
{
tspFile.Edges = this.ReadIntsArrayList("Edge_Data_Section", section);
}
else throw new NotSupportedException();
}
else if (line.StartsWith("Fixed_Edges", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.FixedEdges = this.ReadIntsArrayList("Fixed_Edges", section);
}
else if (line.StartsWith("Display_Data_Section", StringComparison.InvariantCultureIgnoreCase))
{
if(tspFile.DisplayDataType == Defines.DisplayDataType.Display2D)
{
tspFile.DisplayNodes = this.ReadIntAndDoublesArrayList("Display_Data_Section", section);
}
else throw new NotSupportedException();
}
else if (line.StartsWith("Tour_Section", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.Tour = this.ReadIntList("Tour_Section", section);
}
else if (line.StartsWith("Edge_Weight_Section", StringComparison.InvariantCultureIgnoreCase))
{
tspFile.EdgeWeights = this.ReadDoubleList("Edge_Weight_Section", section);
}
else if (line.StartsWith("EOF", StringComparison.InvariantCultureIgnoreCase))
{
break;
}
else throw new NotSupportedException();
}
return tspFile;
}
