/// <summary>
/// Opens a <typeparamref name="TProxy"/> if a line begins with at least 3 fence characters.
/// </summary>
/// <param name="blockProcessor">The <see cref="BlockProcessor"/> for the document that contains a line with a fence character as its first character.</param>
/// <returns>
/// <see cref="BlockState.None"/> if the current line has code indent.
/// <see cref="BlockState.None"/> if the current line does not contain an opening fence.
/// <see cref="BlockState.ContinueDiscard"/> if the current line contains an opening fence and a <typeparamref name="TProxy"/> is opened.
///</returns>
protected override BlockState TryOpenBlock(BlockProcessor blockProcessor)
{
if (blockProcessor.IsCodeIndent)
{
return(BlockState.None);
}
// First line of a JSONBlock must begin with <opening char>{
if (blockProcessor.PeekChar(1) != '{')
{
return(BlockState.None);
}
// Create block
TProxy proxyJsonBlock = _jsonBlockFactory.CreateProxyJsonBlock(blockProcessor, this);
blockProcessor.NewBlocks.Push(proxyJsonBlock);
// Dispose of first char (JSON starts at the curly bracket)
blockProcessor.NextChar();
return(ParseLine(blockProcessor.Line, proxyJsonBlock));
}