// #if ...
// ^
public static ReadOnlyMemory <char> ParseCodeScriptBlock(this ReadOnlyMemory <char> literal, ScriptContext context,
out PageBlockFragment blockFragment)
{
literal = literal.ParseVarName(out var blockNameSpan);
var endArgumentPos = literal.IndexOf('\n');
var argument = literal.Slice(0, endArgumentPos).Trim();
literal = literal.Slice(endArgumentPos + 1);
var blockName = blockNameSpan.ToString();
var language = context.ParseAsLanguage.TryGetValue(blockName, out var lang)
? lang
: ScriptCode.Language;
if (language.Name == ScriptVerbatim.Language.Name)
{
literal = literal.ParseCodeBody(blockNameSpan, out var body);
body = body.ChopNewLine();
blockFragment = language.ParseVerbatimBlock(blockName, argument, body);
return(literal);
}
literal = literal.ParseCodeBody(blockNameSpan, out var bodyText);
var bodyFragments = language.Parse(context, bodyText);
var elseBlocks = new List <PageElseBlock>();
literal = literal.AdvancePastWhitespace();
while (literal.StartsWith("else"))
{
literal = literal.ParseCodeElseBlock(blockNameSpan, out var elseArgument, out var elseBody);
var elseBlock = new PageElseBlock(elseArgument, language.Parse(context, elseBody));
elseBlocks.Add(elseBlock);
literal = literal.AdvancePastWhitespace();
}
blockFragment = new PageBlockFragment(blockName, argument, bodyFragments, elseBlocks);
return(literal);
}