public override bool Match(InlineProcessor processor, ref StringSlice slice)
{
var startPosition = processor.GetSourcePosition(slice.Start, out var startLine, out var startCiColumn);
var start = slice.Start;
var end = start;
// skip opening '['
var current = slice.NextChar();
while (current != ']' && current != '\0')
{
end = slice.Start;
current = slice.NextChar();
}
// label should end at ']'
if (current != ']')
{
return(false);
}
// skip ']'
current = slice.NextChar();
// uri part should start with '('
if (current != '(')
{
return(false);
}
// skip '('
current = slice.NextChar();
while (current != ')' && current != '\0')
{
end = slice.Start;
current = slice.NextChar();
}
// uri part should end with ')'
if (current != ')')
{
return(false);
}
end = slice.Start;
slice.NextChar();
var endPosition = processor.GetSourcePosition(slice.Start - 1);
var linkText = new StringSlice(slice.Text, start, end).ToString();
try
{
var link = DisplayLinkParser.Parse(linkText);
if (link.Link.IsXref)
{
var xref = link.Link.Xref !.Value;
link = new DisplayLink(
link.Title,
new Link(_router.FullyQualify(xref)));
}
processor.Inline = new DisplayLinkInline
{
Span = new SourceSpan(startPosition, endPosition),
Line = startLine,
Column = startCiColumn,
IsClosed = true,
DisplayLink = link
};
}
catch (Exception x)
{
throw new InvalidOperationException(
$"Invalid link '{linkText}'", x);
}
return(true);
}
