public static string GetText(TexExpressionNode tree)
{
using (var stringWriter = new StringWriter())
{
var treeTextRenderer = new TreeTextRenderer(stringWriter);
treeTextRenderer.Render(tree);
return(stringWriter.ToString());
}
}
public void AssertAreTreesEqual(TexExpressionNode a, TexExpressionNode b)
{
Assert.AreEqual(a.Symbol, b.Symbol);
Assert.AreEqual(a.Value, b.Value);
Assert.AreEqual(a.Children.Count, b.Children.Count);
for (int i = 0; i < a.Children.Count; i++)
{
AssertAreTreesEqual(a.Children[i], b.Children[i]);
}
}
private void Render(TexExpressionNode node, bool isArgument, int level)
{
// Prefix argument nodes with '@'.
var indentation = new string(' ', level * 2);
this.Writer.WriteLine(indentation + (isArgument ? "@" : string.Empty) + node.ToString());
if (node.Children != null)
{
if (node.Arguments != null)
{
foreach (var childNode in node.Arguments)
{
Render(childNode, true, level + 1);
}
}
foreach (var childNode in node.Children)
{
Render(childNode, false, level + 1);
}
}
}
public void Render(TexExpressionNode tree)
{
Render(tree, false, 0);
}
