appview/pages : fix handle parsing false-positives

Signed-off-by: estym <[e-mail]>

appview/pages/markup/extension/atlink.go

···
 }
 
 var atRegexp = regexp.MustCompile(`(^|\s|\()(@)([a-zA-Z0-9.-]+)(\b)`)
+var markdownLinkRegexp = regexp.MustCompile(`(?ms)\[.*\]\(.*\)`)
 
 type atParser struct{}
 
···
 	if m == nil {
 		return nil
 	}
+
+	if !util.IsSpaceRune(block.PrecendingCharacter()) {
+		return nil
+	}
+
+	// Check for all links in the markdown to see if the handle found is inside one
+	linksIndexes := markdownLinkRegexp.FindAllIndex(block.Source(), -1)
+	for _, linkMatch := range linksIndexes {
+		if linkMatch[0] < segment.Start && segment.Start < linkMatch[1] {
+			return nil
+		}
+	}
+
 	atSegment := text.NewSegment(segment.Start, segment.Start+m[1])
 	block.Advance(m[1])
 	node := &AtNode{}