public void FormatBlock(FlowDocument doc, Block block, StringBuilder buf, int indent)
{
// indent
buf.Append (' ', indent);
buf.AppendFormat (
"{0} {1} to {2}",
block.GetType ().Name + block.GetHashCode (),
block.ContentStart.CompareTo (doc.ContentStart),
block.ContentEnd.CompareTo (doc.ContentStart));
buf.AppendLine ();
if (block is Section)
{
FormatBlocks (doc, ((Section)block).Blocks, buf, indent + 3);
}
else if (block is Paragraph)
{
FormatInlines (doc, ((Paragraph)block).Inlines, buf, indent + 3);
}
}
private bool Accept(Block block)
{
if (!TryMatch(block)) return false;
if (block is Table)
{
foreach (var inner in ((Table) block).RowGroups
.SelectMany(x => x.Rows)
.SelectMany(x => x.Cells)
.SelectMany(x => x.Blocks))
{
if (!Accept(inner)) return false;
}
return true;
}
if (block is Paragraph)
{
foreach (var inner in ((Paragraph) block).Inlines)
{
if (!TryMatch(inner)) return false;
}
return true;
}
if (block is BlockUIContainer)
{
// ignore children
return true;
}
if (block is List)
{
foreach (var inner in ((List) block).ListItems.SelectMany(listItem => listItem.Blocks))
{
if (!Accept(inner)) return false;
}
return true;
}
throw new InvalidOperationException("Unknown block type: " + block.GetType());
}