You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
// Copyright 2015 The Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package markdown
|
|
|
|
import (
|
|
"regexp"
|
|
"strings"
|
|
)
|
|
|
|
var (
|
|
rAutolink = regexp.MustCompile(`^<([a-zA-Z][a-zA-Z0-9+.\-]{1,31}):([^<>\x00-\x20]*)>`)
|
|
rEmail = regexp.MustCompile(`^<([a-zA-Z0-9.!#$%&'*+/=?^_{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>`)
|
|
)
|
|
|
|
func ruleAutolink(s *StateInline, silent bool) bool {
|
|
pos := s.Pos
|
|
src := s.Src
|
|
|
|
if src[pos] != '<' {
|
|
return false
|
|
}
|
|
|
|
tail := src[pos:]
|
|
|
|
if strings.IndexByte(tail, '>') < 0 {
|
|
return false
|
|
}
|
|
|
|
link := rAutolink.FindString(tail)
|
|
if link != "" {
|
|
link = link[1 : len(link)-1]
|
|
href := normalizeLink(link)
|
|
if !validateLink(href) {
|
|
return false
|
|
}
|
|
|
|
if !silent {
|
|
s.PushOpeningToken(&LinkOpen{Href: href})
|
|
s.PushToken(&Text{Content: normalizeLinkText(link)})
|
|
s.PushClosingToken(&LinkClose{})
|
|
}
|
|
|
|
s.Pos += len(link) + 2
|
|
|
|
return true
|
|
}
|
|
|
|
email := rEmail.FindString(tail)
|
|
if email != "" {
|
|
email = email[1 : len(email)-1]
|
|
href := normalizeLink("mailto:" + email)
|
|
if !validateLink(href) {
|
|
return false
|
|
}
|
|
|
|
if !silent {
|
|
s.PushOpeningToken(&LinkOpen{Href: href})
|
|
s.PushToken(&Text{Content: normalizeLinkText(email)})
|
|
s.PushClosingToken(&LinkClose{})
|
|
}
|
|
|
|
s.Pos += len(email) + 2
|
|
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|