/// <summary>
/// Constructor that requires a path to a file.
/// This constructor will read the file and set up all of the required
/// tools for the DxfFile class
/// </summary>
/// <param name="pathToFile">An absolute or relative path to a dxf file</param>
public DxfFile(string pathToFile)
{
// Initialize
var fileReader = new DxfReader(pathToFile);
Layers = new LayerDictionary();
// Setup file
PathToFile = fileReader.PathToFile;
FileName = Path.GetFileName(PathToFile);
DxfFileData = new TaggedDataList(fileReader.ReadFile());
// The Main Parsing Calling Function
var asciiParser = new AsciiParser(this);
asciiParser.ParseFile();
// Update the layer dictionary now that the Entities are all built
Layers.UpdateDictionary(Entities.Values);
}
public void UpdateDictionaryTest()
{
// The test Dictionary
var testDictionary = new LayerDictionary();
// TestLine 0
var testLine0 = new Line(new LineBuffer
{
EntityType = typeof(Line),
Handle = "1A",
LayerName = "TestLayer",
Thickness = 0,
X0 = 0,
X1 = 0,
Y0 = 1,
Y1 = 2
});
// TestLine1
var testLine1 = new Line(new LineBuffer
{
EntityType = typeof(Line),
Handle = "2A",
LayerName = "TestLayer",
Thickness = 0,
X0 = 0,
X1 = 0,
Y0 = 1,
Y1 = 2
});
// Place the entities into a list
var entities = new List <Entity> {
testLine0, testLine1
};
// Create the Dictionary
testDictionary.UpdateDictionary(entities);
// Update Dictionary should have created the layer test Layer
Assert.IsTrue(testDictionary.ContainsLayer("TestLayer"));
Assert.IsTrue(testDictionary.Count == 1);
// Change the layer of the second line
testLine1.LayerName = "NewLayer";
// Assert that the new layer was created,
// The second line is now a member of the new layer and
// that is is not a member of the old layer
Assert.IsTrue(testDictionary.ContainsLayer("NewLayer"));
Assert.IsTrue(testDictionary.GetLayer("NewLayer").ContainsEntity(testLine1.Handle));
Assert.IsFalse(testDictionary.GetLayer("TestLayer").ContainsEntity(testLine1.Handle));
// Now let us move it back
testLine1.LayerName = "TestLayer";
// Assert that the layer was changed back to TestLayer
// Assert that it is no longer a member of NewLayer
// Assert that the count of Newlayer is 0
Assert.IsTrue(testDictionary.GetLayer("TestLayer").ContainsEntity(testLine1.Handle));
Assert.IsFalse(testDictionary.GetLayer("NewLayer").ContainsEntity(testLine1.Handle));
Assert.IsTrue(testDictionary.GetLayer("NewLayer").Count == 0);
}