diff options
Diffstat (limited to 'vendor/gitlab.com/golang-commonmark/markdown/autolink.go')
-rw-r--r-- | vendor/gitlab.com/golang-commonmark/markdown/autolink.go | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/vendor/gitlab.com/golang-commonmark/markdown/autolink.go b/vendor/gitlab.com/golang-commonmark/markdown/autolink.go new file mode 100644 index 00000000..ab51c71b --- /dev/null +++ b/vendor/gitlab.com/golang-commonmark/markdown/autolink.go @@ -0,0 +1,70 @@ +// 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 +} |