/// <summary>
/// Processes any new blocks that have been pushed to <see cref="NewBlocks"/>.
/// </summary>
/// <param name="result">The last result of matching.</param>
/// <param name="allowClosing">if set to <c>true</c> the processing of a new block will close existing opened blocks].</param>
/// <exception cref="InvalidOperationException">The NewBlocks is not empty. This is happening if a LeafBlock is not the last to be pushed</exception>
private void ProcessNewBlocks(BlockState result, bool allowClosing)
{
var newBlocks = NewBlocks;
while (newBlocks.Count > 0)
{
var block = newBlocks.Pop();
if (block.Parser == null)
{
ThrowHelper.InvalidOperationException($"The new block [{block.GetType()}] must have a valid Parser property");
}
block.Line = LineIndex;
// If we have a leaf block
var leaf = block as LeafBlock;
if (leaf != null)
{
if (!result.IsDiscard())
{
leaf.AppendLine(ref Line, Column, LineIndex, CurrentLineStartPosition);
}
if (newBlocks.Count > 0)
{
ThrowHelper.InvalidOperationException(
"The NewBlocks is not empty. This is happening if a LeafBlock is not the last to be pushed");
}
}
if (allowClosing)
{
// Close any previous blocks not opened
CloseAll(false);
}
// If previous block is a container, add the new block as a children of the previous block
if (block.Parent == null)
{
UpdateLastBlockAndContainer();
CurrentContainer.Add(block);
}
block.IsOpen = result.IsContinue();
// Add a block BlockProcessor to the stack (and leave it opened)
OpenedBlocks.Add(block);
if (leaf != null)
{
ContinueProcessingLine = false;
return;
}
}
ContinueProcessingLine = !result.IsDiscard();
}
/// <summary>
/// Opens the specified block.
/// </summary>
/// <param name="block">The block.</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="ArgumentException">The block must be opened</exception>
public void Open(Block block)
{
if (block == null)
{
ThrowHelper.ArgumentNullException(nameof(block));
}
if (!block.IsOpen)
{
ThrowHelper.ArgumentException("The block must be opened", nameof(block));
}
OpenedBlocks.Add(block);
}