// Root, --- Done
// Paragraph, --- Done
// Header,// #(1-6)、===、--- --- Done
// HorizontalRule,// ---、***
// List, // +、-、*、number. --- Done
// Code, // Four spaces or \t
// Quote, // >
// ListItemBuilder,
// Table, // 表 | 1 | 2 |
// LinkReference, // [name](url)
internal static MarkdownBlock ParseBlock(string markdownText, int start, int end, out int actualEnd)
{
actualEnd = start;
MarkdownBlock block = null;
char nonSpaceChar = GetNonSpaceChar(markdownText, start, end, out int nonSpacePos);
if (nonSpaceChar == '#' && nonSpacePos == start)
{
block = HeaderBlock.Parse(markdownText, start, end, out actualEnd);
}
if (block == null && (nonSpaceChar == '*' || nonSpaceChar == '-' || nonSpaceChar == '_'))
{
block = HorizontalRuleBlock.Parse(markdownText, start, end, out actualEnd);
}
if (block == null && (nonSpaceChar == '*' || nonSpaceChar == '+' || nonSpaceChar == '-' || (nonSpaceChar >= '0' && nonSpaceChar <= '9')))
{
block = ListElement.Parse(markdownText, start, end, out actualEnd);
}
if (block == null)
{
block = ParagraphBlock.Parse(markdownText, start, end, out actualEnd);
}
return(block);
}