tpl/urls: Add anchorize template func

diff --git a/tpl/urls/init.go b/tpl/urls/init.go
index c48fe8ca1bc4785abf4ac8b16f2e59db880f6ecd..debaaabf954fa37f925a9edb1459a719a3e63660 100644 (file)
--- a/tpl/urls/init.go
+++ b/tpl/urls/init.go
@@ -59,6 +59,13 @@ func init() {
                        [][2]string{},
                )
 
+               ns.AddMethodMapping(ctx.Anchorize,
+                       []string{"anchorize"},
+                       [][2]string{
+                               {`{{ "This is a title" | anchorize }}`, `this-is-a-title`},
+                       },
+               )
+
                return ns
 
        }

diff --git a/tpl/urls/urls.go b/tpl/urls/urls.go
index a9f8f4f768c935726846bf1985a26b03e5dc9283..b93c7cada54eac350aeaa33f61ccad1a5a2fe61b 100644 (file)
--- a/tpl/urls/urls.go
+++ b/tpl/urls/urls.go
@@ -16,6 +16,9 @@ package urls
 import (
        "errors"
        "fmt"
+
+       "github.com/russross/blackfriday"
+
        "html/template"
        "net/url"
 
@@ -78,6 +81,15 @@ func (ns *Namespace) URLize(a interface{}) (string, error) {
        return ns.deps.PathSpec.URLize(s), nil
 }
 
+// Anchorize creates sanitized anchor names that are compatible with Blackfriday.
+func (ns *Namespace) Anchorize(a interface{}) (string, error) {
+       s, err := cast.ToStringE(a)
+       if err != nil {
+               return "", nil
+       }
+       return blackfriday.SanitizedAnchorName(s), nil
+}
+
 type reflinker interface {
        Ref(refs ...string) (string, error)
        RelRef(refs ...string) (string, error)