private void CompileNode(StringBuilder builder, DotNode node, bool indented, int indentationLevel, bool formatStrings)
{
builder.AddIndentation(indented, indentationLevel);
builder.Append(SurroundStringWithQuotes(node.Identifier, formatStrings));
CompileAttributes(builder, node.Attributes, formatStrings);
builder.Append("; ");
builder.AddIndentationNewLine(indented);
}
private void CompileSubGraph(StringBuilder builder, DotSubGraph subGraph, bool indented, int indentationLevel, bool formatStrings)
{
builder.AddIndentation(indented, indentationLevel);
builder.Append($"subgraph {SurroundStringWithQuotes(subGraph.Identifier, formatStrings)} {{ ");
builder.AddIndentationNewLine(indented);
indentationLevel++;
CompileSubGraphAttributes(builder, subGraph.Attributes, formatStrings);
foreach (var element in subGraph.Elements)
{
if (element is DotEdge edge)
{
CompileEdge(builder, edge, indented, indentationLevel, formatStrings);
}
else if (element is DotNode node)
{
CompileNode(builder, node, indented, indentationLevel, formatStrings);
}
else if (element is DotSubGraph subSubGraph)
{
CompileSubGraph(builder, subSubGraph, indented, indentationLevel, formatStrings);
}
else
{
throw new DotException($"Subgraph body can't contain element of type: {element.GetType()}");
}
}
indentationLevel--;
builder.AddIndentation(indented, indentationLevel);
builder.Append("} ");
builder.AddIndentationNewLine(indented);
}
private void CompileEdge(StringBuilder builder, DotEdge edge, bool indented, int indentationLevel, bool formatStrings)
{
builder.AddIndentation(indented, indentationLevel);
CompileEdgeEndPoint(builder, edge.Left, formatStrings);
builder.Append(_graph.Directed ? " -> " : " -- ");
CompileEdgeEndPoint(builder, edge.Right, formatStrings);
CompileAttributes(builder, edge.Attributes, formatStrings);
builder.Append("; ");
builder.AddIndentationNewLine(indented);
}
private void CompileGraph(StringBuilder builder, bool indented, bool formatStrings)
{
var indentationLevel = 0;
if (_graph.Strict)
{
builder.Append("strict ");
}
builder.Append(_graph.Directed ? "digraph " : "graph ");
builder.Append($"{SurroundStringWithQuotes(_graph.Identifier, formatStrings)} {{ ");
builder.AddIndentationNewLine(indented);
indentationLevel++;
foreach (var element in _graph.Elements)
{
if (element is DotEdge edge)
{
CompileEdge(builder, edge, indented, indentationLevel, formatStrings);
}
else if (element is DotNode node)
{
CompileNode(builder, node, indented, indentationLevel, formatStrings);
}
else if (element is DotSubGraph subGraph)
{
CompileSubGraph(builder, subGraph, indented, indentationLevel, formatStrings);
}
else
{
throw new DotException($"Graph body can't contain element of type: {element.GetType()}");
}
}
indentationLevel--;
builder.Append("}");
}
