private static bool MergeText(MarkdownToken current, string text, MarkdownTokens flag)
{
// Only allow merge if the previous token was text
if (current == null || current.Type != MarkdownTokenType.Text)
{
return(false);
}
if (current.Flag.ShouldPreserve())
{
return(false);
}
// If the previous token was text, lessen the break but still don't allow merging
if (current.Flag.HasFlag(MarkdownTokens.LineBreak) && !current.Flag.ShouldPreserve())
{
return(false);
}
// Text must have the same flags set
if (current.Flag.HasFlag(MarkdownTokens.Italic) != flag.HasFlag(MarkdownTokens.Italic))
{
return(false);
}
if (current.Flag.HasFlag(MarkdownTokens.Bold) != flag.HasFlag(MarkdownTokens.Bold))
{
return(false);
}
if (current.Flag.HasFlag(MarkdownTokens.Code) != flag.HasFlag(MarkdownTokens.Code))
{
return(false);
}
if (!current.Flag.IsEnding())
{
current.Text = string.Concat(current.Text, text);
}
else if (current.Flag == MarkdownTokens.LineEnding)
{
return(false);
}
// Take on the ending of the merged token
current.Flag = flag;
return(true);
}
private static void AppendEnding(StringBuilder stringBuilder, MarkdownToken token, bool preserveEnding = false)
{
if (token == null || stringBuilder.Length == 0 || !token.Flag.IsEnding())
{
return;
}
if (!preserveEnding && token.Flag.ShouldPreserve())
{
preserveEnding = true;
}
if (token.IsDoubleLineEnding())
{
stringBuilder.Append(preserveEnding ? string.Concat(Environment.NewLine, Environment.NewLine) : Environment.NewLine);
}
else if (token.IsSingleLineEnding())
{
stringBuilder.Append(preserveEnding ? Environment.NewLine : Space);
}
}
protected bool IsHeading(MarkdownToken token, int level, string text)
{
return(token.Type == MarkdownTokenType.Header &&
token.Depth == level &&
string.Equals(text, token.Text, StringComparison.OrdinalIgnoreCase));
}
protected bool IsHeading(MarkdownToken token, int level)
{
return(token.Type == MarkdownTokenType.Header &&
token.Depth == level);
}