public bool ReadDrawing(string fileName, Stream fileStream, out Drawing drawing, out ViewPort viewPort)
{
var file = IgesFile.Load(fileStream);
var layer = new Layer("igs");
foreach (var entity in file.Entities)
{
var cadEntity = entity.ToEntity();
if (cadEntity != null)
{
layer = layer.Add(cadEntity);
}
}
drawing = new Drawing(
new DrawingSettings(fileName, UnitFormat.Architectural, 8),
new ReadOnlyTree <string, Layer>().Insert(layer.Name, layer),
layer.Name,
file.Author);
drawing.Tag = file;
viewPort = null; // auto-set it later
return(true);
}
public void ReadWithDifferningNewlinesTest()
{
var file = new IgesFile();
file.Entities.Add(new IgesLine(new IgesPoint(0.0, 0.0, 0.0), new IgesPoint(1.0, 1.0, 1.0)));
using (var ms = new MemoryStream())
{
file.Save(ms);
ms.Seek(0, SeekOrigin.Begin);
using (var reader = new StreamReader(ms))
{
var text = reader.ReadToEnd();
// verify file reading with LF
text = text.Replace("\r", "");
var lengthLF = 0L;
using (var ms2 = new MemoryStream())
{
using (var writer = new StreamWriter(ms2, Encoding.ASCII, bufferSize: 1024, leaveOpen: true))
{
writer.Write(text);
}
ms2.Seek(0, SeekOrigin.Begin);
lengthLF = ms2.Length;
var fileLF = IgesFile.Load(ms2);
Assert.Single(fileLF.Entities);
}
// verify file reading with CRLF
text = text.Replace("\n", "\r\n");
var lengthCRLF = 0L;
using (var ms2 = new MemoryStream())
{
using (var writer = new StreamWriter(ms2, Encoding.ASCII, bufferSize: 1024, leaveOpen: true))
{
writer.Write(text);
}
ms2.Seek(0, SeekOrigin.Begin);
lengthCRLF = ms2.Length;
var fileLF = IgesFile.Load(ms2);
Assert.Single(fileLF.Entities);
}
// verify that the file lengths were non-zero and not equal
Assert.NotEqual(0L, lengthLF);
Assert.NotEqual(0L, lengthCRLF);
Assert.NotEqual(lengthLF, lengthCRLF);
}
}
}
internal static IgesFile CreateFile(string content)
{
using (var stream = new MemoryStream())
using (var writer = new StreamWriter(stream))
{
writer.Write(content.Trim('\r', '\n'));
writer.Flush();
stream.Seek(0, SeekOrigin.Begin);
var file = IgesFile.Load(stream);
return(file);
}
}
public Task <ReadDrawingResult> ReadDrawing(string fileName, Stream fileStream, Func <string, Task <byte[]> > contentResolver)
{
var file = IgesFile.Load(fileStream);
var layer = new Layer("igs");
foreach (var entity in file.Entities)
{
var cadEntity = entity.ToEntity();
if (cadEntity != null)
{
layer = layer.Add(cadEntity);
}
}
var drawing = new Drawing(
new DrawingSettings(fileName, UnitFormat.Architectural, 8, 0),
new ReadOnlyTree <string, Layer>().Insert(layer.Name, layer),
layer.Name,
file.Author);
drawing.Tag = file;
return(Task.FromResult(ReadDrawingResult.Succeeded(drawing, null)));
}
public void RoundTripFileWithNonStandardDelimitersTest()
{
var file = new IgesFile()
{
FieldDelimiter = ';', // inverted field and record delimiters
RecordDelimiter = ',',
};
file.Entities.Add(new IgesLine(new IgesPoint(1.0, 2.0, 3.0), new IgesPoint(4.0, 5.0, 6.0)));
// write then re-read the file
using (var ms = new MemoryStream())
{
file.Save(ms);
ms.Flush();
ms.Seek(0, SeekOrigin.Begin);
var file2 = IgesFile.Load(ms);
Assert.Equal(';', file.FieldDelimiter);
Assert.Equal(',', file.RecordDelimiter);
var line = (IgesLine)file.Entities.Single();
Assert.Equal(new IgesPoint(1.0, 2.0, 3.0), line.P1);
Assert.Equal(new IgesPoint(4.0, 5.0, 6.0), line.P2);
}
}