public IfcProject AddProject(string name, string description)
{
var p = new IfcProject(IfcGuid.IfcGuid.ToIfcGuid(Guid.NewGuid()));
p.Name = name;
p.Description = description;
storage.AddInstance(p);
return(p);
}
/// <summary>
/// Create a Model given a STEP file.
/// </summary>
/// <param name="STEPfilePath">The path to the STEP file.</param>
/// <returns>A Model.</returns>
/// <exception cref="FileNotFoundException">The specified file path does not exist.</exception>
public Document(string STEPfilePath, IStorageProvider storage, out IList <STEPError> errors)
{
if (!File.Exists(STEPfilePath))
{
throw new FileNotFoundException($"The specified IFC STEP file does not exist: {STEPfilePath}.");
}
this.storage = storage;
using (FileStream fs = new FileStream(STEPfilePath, FileMode.Open))
{
var input = new AntlrInputStream(fs);
var lexer = new STEP.STEPLexer(input);
var tokens = new CommonTokenStream(lexer);
var parser = new STEP.STEPParser(tokens);
parser.BuildParseTree = true;
var tree = parser.file();
var walker = new ParseTreeWalker();
var listener = new STEP.STEPListener();
walker.Walk(listener, tree);
var err = new List <STEPError>();
foreach (var data in listener.InstanceData)
{
if (data.Value.ConstructedGuid != null && storage.InstanceById(data.Value.ConstructedGuid) != null)
{
// Instance may have been previously constructed as the result
// of another construction.
continue;
}
var instance = ConstructRecursive(data.Value, listener.InstanceData, data.Key, err);
storage.AddInstance(instance);
}
errors = err;
}
}