tpl/safe: Make it a package that stands on its own

See #3042

tpl/safe/init.go

@@ -0,0 +1,54 @@
+// Copyright 2017 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package safe
+
+import (
+	"github.com/spf13/hugo/deps"
+	"github.com/spf13/hugo/tpl/internal"
+)
+
+const name = "safe"
+
+func init() {
+	f := func(d *deps.Deps) *internal.TemplateFuncsNamespace {
+		ctx := New()
+
+		examples := [][2]string{
+			{`{{ "Bat&Man" | safeCSS | safeCSS }}`, `Bat&Man`},
+			{`{{ "Bat&Man" | safeHTML | safeHTML }}`, `Bat&Man`},
+			{`{{ "Bat&Man" | safeHTML }}`, `Bat&Man`},
+			{`{{ "(1*2)" | safeJS | safeJS }}`, `(1*2)`},
+			{`{{ "http://gohugo.io" | safeURL | safeURL }}`, `http://gohugo.io`},
+		}
+
+		return &internal.TemplateFuncsNamespace{
+			Name:    name,
+			Context: func() interface{} { return ctx },
+			Aliases: map[string]interface{}{
+				"safeCSS":      ctx.CSS,
+				"safeHTML":     ctx.HTML,
+				"safeHTMLAttr": ctx.HTMLAttr,
+				"safeJS":       ctx.JS,
+				"safeJSStr":    ctx.JSStr,
+				"safeURL":      ctx.URL,
+				"sanitizeURL":  ctx.SanitizeURL,
+				"sanitizeurl":  ctx.SanitizeURL,
+			},
+			Examples: examples,
+		}
+
+	}
+
+	internal.AddTemplateFuncsNamespace(f)
+}

tpl/tplimpl/templateFuncster.go

@@ -21,7 +21,6 @@ import (
 
 	bp "github.com/spf13/hugo/bufferpool"
 	"github.com/spf13/hugo/deps"
-	"github.com/spf13/hugo/tpl/safe"
 	"github.com/spf13/hugo/tpl/time"
 	"github.com/spf13/hugo/tpl/transform"
 	"github.com/spf13/hugo/tpl/urls"
@@ -33,7 +32,6 @@ type templateFuncster struct {
 	cachedPartials partialCache
 
 	// Namespaces
-	safe      *safe.Namespace
 	time      *time.Namespace
 	transform *transform.Namespace
 	urls      *urls.Namespace
@@ -47,7 +45,6 @@ func newTemplateFuncster(deps *deps.Deps) *templateFuncster {
 		cachedPartials: partialCache{p: make(map[string]interface{})},
 
 		// Namespaces
-		safe:      safe.New(),
 		time:      time.New(),
 		transform: transform.New(deps),
 		urls:      urls.New(deps),

tpl/tplimpl/template_funcs.go

@@ -34,6 +34,7 @@ import (
 	_ "github.com/spf13/hugo/tpl/lang"
 	_ "github.com/spf13/hugo/tpl/math"
 	_ "github.com/spf13/hugo/tpl/os"
+	_ "github.com/spf13/hugo/tpl/safe"
 	_ "github.com/spf13/hugo/tpl/strings"
 )
 
@@ -88,7 +89,6 @@ func (t *templateFuncster) partialCached(name string, context interface{}, varia
 func (t *templateFuncster) initFuncMap() {
 	funcMap := template.FuncMap{
 		// Namespaces
-		"safe": t.safe.Namespace,
 		//"time":        t.time.Namespace,
 		"transform": t.transform.Namespace,
 		"urls":      t.urls.Namespace,
@@ -113,14 +113,6 @@ func (t *templateFuncster) initFuncMap() {
 		"relURL":        t.urls.RelURL,
 		"relLangURL":    t.urls.RelLangURL,
 		"relref":        t.urls.RelRef,
-		"safeCSS":       t.safe.CSS,
-		"safeHTML":      t.safe.HTML,
-		"safeHTMLAttr":  t.safe.HTMLAttr,
-		"safeJS":        t.safe.JS,
-		"safeJSStr":     t.safe.JSStr,
-		"safeURL":       t.safe.URL,
-		"sanitizeURL":   t.safe.SanitizeURL,
-		"sanitizeurl":   t.safe.SanitizeURL,
 		"string":        func(v interface{}) (string, error) { return cast.ToStringE(v) },
 		"time":          t.time.AsTime,
 		"urlize":        t.PathSpec.URLize,

tpl/tplimpl/template_funcs_test.go

@@ -145,11 +145,6 @@ relLangURL: {{ "index.html" | relLangURL }}
 relURL 1: {{ "http://gohugo.io/" | relURL }}
 relURL 2: {{ "mystyle.css" | relURL }}
 relURL 3: {{ mul 2 21 | relURL }}
-safeCSS: {{ "Bat&Man" | safeCSS | safeCSS }}
-safeHTML: {{ "Bat&Man" | safeHTML | safeHTML }}
-safeHTML: {{ "Bat&Man" | safeHTML }}
-safeJS: {{ "(1*2)" | safeJS | safeJS }}
-safeURL: {{ "http://gohugo.io" | safeURL | safeURL }}
 strings.TrimPrefix: {{ strings.TrimPrefix "Goodbye,, world!" "Goodbye," }}
 time: {{ (time "2015-01-21").Year }}
 urlize: {{ "Bat Man" | urlize }}
@@ -178,11 +173,6 @@ relLangURL: /hugo/en/index.html
 relURL 1: http://gohugo.io/
 relURL 2: /hugo/mystyle.css
 relURL 3: /hugo/42
-safeCSS: Bat&Man
-safeHTML: Bat&Man
-safeHTML: Bat&Man
-safeJS: (1*2)
-safeURL: http://gohugo.io
 strings.TrimPrefix: , world!
 time: 2015
 urlize: bat-man