Giant blob of minor changes

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.0.0-20201105173854-bc9fc8d8c4bc / present / link.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/present/link.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/present/link.go
new file mode 100644 (file)
index 0000000..ef96bf4
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201105173854-bc9fc8d8c4bc/present/link.go
@@ -0,0 +1,102 @@
+// Copyright 2012 The Go 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 present
+
+import (
+       "fmt"
+       "log"
+       "net/url"
+       "strings"
+)
+
+func init() {
+       Register("link", parseLink)
+}
+
+type Link struct {
+       Cmd   string // original command from present source
+       URL   *url.URL
+       Label string
+}
+
+func (l Link) PresentCmd() string   { return l.Cmd }
+func (l Link) TemplateName() string { return "link" }
+
+func parseLink(ctx *Context, fileName string, lineno int, text string) (Elem, error) {
+       args := strings.Fields(text)
+       if len(args) < 2 {
+               return nil, fmt.Errorf("link element must have at least 2 arguments")
+       }
+       url, err := url.Parse(args[1])
+       if err != nil {
+               return nil, err
+       }
+       label := ""
+       if len(args) > 2 {
+               label = strings.Join(args[2:], " ")
+       } else {
+               scheme := url.Scheme + "://"
+               if url.Scheme == "mailto" {
+                       scheme = "mailto:"
+               }
+               label = strings.Replace(url.String(), scheme, "", 1)
+       }
+       return Link{text, url, label}, nil
+}
+
+func renderLink(href, text string) string {
+       text = font(text)
+       if text == "" {
+               text = href
+       }
+       // Open links in new window only when their url is absolute.
+       target := "_blank"
+       if u, err := url.Parse(href); err != nil {
+               log.Println("renderLink parsing url:", err)
+       } else if !u.IsAbs() || u.Scheme == "javascript" {
+               target = "_self"
+       }
+
+       return fmt.Sprintf(`<a href="%s" target="%s">%s</a>`, href, target, text)
+}
+
+// parseInlineLink parses an inline link at the start of s, and returns
+// a rendered HTML link and the total length of the raw inline link.
+// If no inline link is present, it returns all zeroes.
+func parseInlineLink(s string) (link string, length int) {
+       if !strings.HasPrefix(s, "[[") {
+               return
+       }
+       end := strings.Index(s, "]]")
+       if end == -1 {
+               return
+       }
+       urlEnd := strings.Index(s, "]")
+       rawURL := s[2:urlEnd]
+       const badURLChars = `<>"{}|\^[] ` + "`" // per RFC2396 section 2.4.3
+       if strings.ContainsAny(rawURL, badURLChars) {
+               return
+       }
+       if urlEnd == end {
+               simpleURL := ""
+               url, err := url.Parse(rawURL)
+               if err == nil {
+                       // If the URL is http://foo.com, drop the http://
+                       // In other words, render [[http://golang.org]] as:
+                       //   <a href="http://golang.org">golang.org</a>
+                       if strings.HasPrefix(rawURL, url.Scheme+"://") {
+                               simpleURL = strings.TrimPrefix(rawURL, url.Scheme+"://")
+                       } else if strings.HasPrefix(rawURL, url.Scheme+":") {
+                               simpleURL = strings.TrimPrefix(rawURL, url.Scheme+":")
+                       }
+               }
+               return renderLink(rawURL, simpleURL), end + 2
+       }
+       if s[urlEnd:urlEnd+2] != "][" {
+               return
+       }
+       text := s[urlEnd+2 : end]
+       return renderLink(rawURL, text), end + 2
+}