private static PcbLayer DeterminePcbLayer(PadStack.StackLine line)
{
PcbLayer layer;
switch ((PadStack.SpecialLayers)line.Layer)
{
case PadStack.SpecialLayers.Top:
layer = PcbLayer.Top;
break;
case PadStack.SpecialLayers.Inner:
layer = PcbLayer.InternalBottom;
break;
case PadStack.SpecialLayers.Bottom:
layer = PcbLayer.Bottom;
break;
default:
layer = (PcbLayer)(Enum.GetValues(typeof(PcbLayer)).Length + line.Layer - 1);
WarningListener.Add(new NotImplementedException(),
"Padstack non-special layer recognition is only partially implemented!");
break;
}
return(layer);
}
/// <summary>
/// Write *.RGN file contents into a string
/// </summary>
/// <param name="design"></param>
/// <returns>String ready to be written into a file</returns>
public string Write(PcbDesign design)
{
Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
design.SynchronizeUnits(PcbUnits.Thou);
design.SynchronizeCoordinateUnits(PcbUnits.TenNanometers);
StringBuilder res = new StringBuilder(Signature);
res.AppendFormat(Header, this[design.CoordinateUnits]);
StringBuilder temp = new StringBuilder();
//Objects (pads and graphics)
foreach (var item in design.Pads)
{
try
{
temp.AppendFormat(PadInObjects, item.Number,
string.Format(this[item.Style.Shape],
item.Style.Dimension1 + (item.Layer == PcbLayer.Drill ? 10 : 0), //10 thou ring for drill holes (ARES7 does not support Dim1=Dim2)
item.Style.Drill > 0 ? item.Style.Drill : item.Style.Dimension2),
this[item.Layer], item.X, item.Y, item.Flags ?? StandardPadFlags);
}
catch (NotImplementedException e)
{
WarningListener.Add(e);
}
}
foreach (var item in design.Graphics)
{
foreach (var line in item.Lines)
{
try
{
temp.AppendFormat(GraphicsLineInObjects, this[item.Layer], line.Start.X, line.Start.Y, line.End.X, line.End.Y);
}
catch (NotImplementedException e)
{
WarningListener.Add(e);
}
}
}
res.AppendFormat(Objects, temp.ToString().TrimEnd(Environment.NewLine.ToCharArray()));
temp.Clear();
//Vias
res.AppendFormat(Vias, "");
//Layers and traces
var layers = design.GetLayers(true);
foreach (var item in layers)
{
var objects = design.GetObjectsFromLayer(item, true).Cast <PcbTrace>();
foreach (var trace in objects)
{
temp.AppendFormat(TraceInLayer, trace.Thickness, trace.Segments,
string.Join(" ", trace.XY.ToList().Select(x => string.Format("{0} {1}", x.X, x.Y))));
}
res.AppendFormat(Layer, this[item], temp.ToString().TrimEnd(Environment.NewLine.ToCharArray()));
}
return(res.ToString());
}
public static PcbDesign Parse(string contents)
{
//Parse units from the header
int i = contents.IndexOf(FileHeaderDesignator,1);
int j = contents.LastIndexOf(FileHeaderSeparator,i) + 1;
string temp = contents.Substring(j,i - j);
PcbUnits coordinateUnits = HeaderUnits.First(x => x.Value == temp).Key;
//Get section boundaries
i = contents.IndexOf(LineSeparator,i) + 1;
Dictionary <ControlStatement,int> sections = new Dictionary <ControlStatement,int>(ControlStatements.Length);
for (int k = 0; k < ControlStatements.Length; k++)
{
j = contents.IndexOf(ControlStatements[k],i);
if (j > -1)
{
j = contents.IndexOf(LineSeparator,j) + 1;
if (j < contents.Length)
{
if (contents[j] == LineSeparator)
{
j++;
}
if (contents[j] == CaretReset)
{
j += 2;
}
}
sections.Add((ControlStatement)k,j);
}
}
//Parse partdecal
int currentSectionStart = sections[ControlStatement.PARTDECAL];
int currentSectionEnd = FindSectionEnd(sections,ControlStatement.PARTDECAL);
int currentSectionLength = currentSectionEnd - currentSectionStart;
Partdecal decal = null;
try
{
decal = Partdecal.Parse(contents.Substring(currentSectionStart,currentSectionLength));
}
catch (Exception e)
{
WarningListener.Add(e);
}
//Others are not needed yet
return(PADSToPcbDesign(coordinateUnits,decal));
}
private static PcbPadStyle DeterminePadStyle(PadStack.StackLine line,PcbUnits coordinateUnits)
{
PcbPadStyle style;
bool drilled = line.Arguments[(int)PadStack.StackLine.DependentArguments.DrillSize].Present;
switch (line.CurrentShape)
{
case PadStack.Shape.Round: //"Round" pads with drill argument are used for drilled pads (not annular pads!)
style = new PcbPadStyle(drilled ? PcbPadShape.CircularTH : PcbPadShape.CircularSMT,
coordinateUnits,line.Size,0,
drilled ? (double)line.Arguments[(int)PadStack.StackLine.DependentArguments.DrillSize].Value : 0);
break;
case PadStack.Shape.Square:
style = new PcbPadStyle(drilled ? PcbPadShape.RectangularTH : PcbPadShape.RectangularSMT,
coordinateUnits,line.Size,line.Size,
drilled ? (double)line.Arguments[(int)PadStack.StackLine.DependentArguments.DrillSize].Value : 0);
break;
case PadStack.Shape.Annular:
style = new PcbPadStyle(drilled ? PcbPadShape.CircularTH : PcbPadShape.CircularSMT,
coordinateUnits,line.Size,
(double)line.Arguments[(int)PadStack.StackLine.DependentArguments.InternalDiameter].Value,
drilled ? (double)line.Arguments[(int)PadStack.StackLine.DependentArguments.DrillSize].Value : 0);
break;
case PadStack.Shape.RectangularFinger:
style = new PcbPadStyle(PcbPadShape.RectangularSMT,coordinateUnits,line.Size,
(double)line.Arguments[(int)PadStack.StackLine.DependentArguments.FingerLength].Value);
WarningListener.Add(new NotImplementedException("Only Length argument is supported for RectangularFinger pad style!"));
break;
default:
throw new NotImplementedException(string.Format(
"Pad shape {0} ignored.",Enum.GetName(typeof(PadStack.Shape),line.CurrentShape)));
}
return(style);
}
private static PcbDesign PADSToPcbDesign(PcbUnits coordinateUnits,Partdecal decal)
{
PcbDesign res = new PcbDesign();
//Partdecal
try
{
if (decal != null)
{
ProcessDecalPieces(res,coordinateUnits,decal);
ProcessDecalPads(res,coordinateUnits,decal);
}
}
catch (Exception e)
{
WarningListener.Add(e);
}
//Others are not implemented yet
//Header info
res.SynchronizeCoordinateUnits(coordinateUnits);
return(res);
}
public static Partdecal Parse(string section)
{
if (section.Length == 0)
{
return(null);
}
TextReader reader = new StringReader(section);
//StringBuilder temp = new StringBuilder(section.Length);
//Header
string[] split = reader.ReadLine().Split(' ');
int pieces = int.Parse(split[(int)Header.Pieces]);
int padstacks = int.Parse(split[(int)Header.Stacks]);
int pinTerminals = int.Parse(split[(int)Header.Terminals]);
Partdecal res = new Partdecal(pieces,pinTerminals,padstacks,
split[(int)Header.Name],PartdecalUnits.First(x => x.Value == split[(int)Header.Units]).Key);
int headerEnded = section.IndexOf(LineSeparator) + 1;
int j;
//Pieces
foreach (var item in Piece.TypeString)
{
j = headerEnded;
for (int i = 0; i < pieces; i++)
{
j = section.IndexOf(item.Value,j);
if (j < 0)
{
break;
}
try
{
res.Pieces.Add(Piece.Parse(section.Substring(j),typeof(Piece.PartdecalHeader)));
}
catch (Exception e)
{
WarningListener.Add(e);
}
finally
{
j += item.Value.Length + 1;
}
}
}
//padstacks
j = headerEnded;
for (int i = 0; i < padstacks; i++)
{
j = section.IndexOf(PadStack.PadstackPrefix,j);
if (j < 0)
{
break;
}
try
{
res.PadStacks.Add(PadStack.Parse(section.Substring(j)));
}
catch (Exception e)
{
WarningListener.Add(e);
}
finally
{
j += PadStack.PadstackPrefix.Length + 1;
}
}
//terminals
j = headerEnded;
for (int i = 0; i < pinTerminals; i++)
{
j = section.IndexOf(Terminal.TerminalPrefix,j);
if (j < 0)
{
break;
}
try
{
res.Terminals.Add(Terminal.Parse(section.Substring(j),i + 1));
}
catch (Exception e)
{
WarningListener.Add(e);
}
finally
{
j += Terminal.TerminalPrefix.Length;
}
}
return(res);
}
private static void ProcessDecalPads(PcbDesign res,PcbUnits coordinateUnits,Partdecal decal)
{
//Terminals + padstacks = pads
PadStack defaultStack = decal.PadStacks.FirstOrDefault(x => x.PinDesignator == PadStack.AllTerminalsDesignator);
res.Pads.Capacity += decal.Terminals.Count;
foreach (var item in decal.Terminals)
{
var padstack = FindSuitablePadstack(decal,item,defaultStack);
if (padstack == null)
{
WarningListener.Add(new ArgumentException(),"Can't find a suitable padstack for the terminal #" + item.PinDesignator);
continue;
}
var drillLine = padstack.StackLines.FirstOrDefault(x => x.Arguments[(int)PadStack.StackLine.DependentArguments.DrillSize].Present);
if (drillLine != null)
{
//Detect drill-only holes
double d = (double)drillLine.Arguments[(int)PadStack.StackLine.DependentArguments.DrillSize].Value;
if (d >= drillLine.Size)
{
res.Pads.Add(new PcbPad(item.PinDesignator,coordinateUnits,item.X,item.Y,PcbLayer.Drill,
new PcbPadStyle(PcbPadShape.CircularTH,coordinateUnits,d,0,d)));
continue;
}
}
List <PadStack.StackLine> usefulLines =
padstack.StackLines.Where(x => (x.Size != 0 || x.Arguments.Any(y => y.Present))).ToList();
if (usefulLines.Count == 3) //Recognize layer "ALL"
{
//PADS requires minimum of 3 layers specified, 0x0 size indicates that the pad is not actually present
//If some stacklines have 0 size and no useful arguments (shape does not count), then we effectively have less stacklines
if (usefulLines.Select(x => x.Layer).Union(PadStack.AllLayerPattern).Count() == 3)
{
//Find layer that contains the most arguments (drill for example appears only for component-side layer)
int maxArgs = 0;
for (int i = 1; i < usefulLines.Count; i++)
{
if (usefulLines[maxArgs].Arguments.Count(x => x.Present) <
usefulLines[i].Arguments.Count(x => x.Present))
{
maxArgs = i;
}
}
res.Pads.Add(new PcbPad(item.PinDesignator,coordinateUnits,item.X,item.Y,PcbLayer.All,
DeterminePadStyle(usefulLines[maxArgs],coordinateUnits)));
continue;
}
}
//If this is not a special case, parse stacklines one-by-one
foreach (var line in usefulLines)
{
PcbPadStyle style = DeterminePadStyle(line,coordinateUnits);
PcbLayer layer = DeterminePcbLayer(line);
res.Pads.Add(new PcbPad(item.PinDesignator,coordinateUnits,item.X,item.Y,layer,style));
//-1 stands for both "Internal layers", but we can return only a single layer, so fix it afterwards
if (layer == PcbLayer.InternalBottom)
{
res.Pads.Add(new PcbPad(item.PinDesignator,coordinateUnits,item.X,item.Y,
PcbLayer.InternalTop,style));
}
}
}
}