ref: dfa34afd860208f5688b1e377dce9fccc2825cf9
parent: 2e92f368907c51cfbb2d56c4519604543e2920f5
author: digitalcraftsman <[email protected]>
date: Sun Sep 20 14:15:45 EDT 2015
Add template funcs countwords and countrunes
--- a/docs/content/templates/functions.md
+++ b/docs/content/templates/functions.md
@@ -525,6 +525,26 @@
e.g. `{{upper "BatMan"}}` → "BATMAN"+### countwords
+
+`countwords` tries to convert the passed content to a string and counts each word
+in it. The template functions works similar to [.WordCount]({{< relref "templates/variables.md#page-variables" >}}).+
+```html
+{{ "Hugo is a static site generator." | countwords }}+<!-- outputs a content length of 6 words. -->
+```
+
+
+### countrunes
+
+Alternatively to counting all words , `countrunes` determines the number of runes in the content and excludes any whitespace. This can become useful if you have to deal with
+CJK-like languages.
+
+```html
+{{ "Hello, 世界" | countrunes }}+<!-- outputs a content length of 8 runes. -->
+```
## URLs
--- a/tpl/template_funcs.go
+++ b/tpl/template_funcs.go
@@ -26,6 +26,7 @@
"strconv"
"strings"
"time"
+ "unicode/utf8"
"bitbucket.org/pkg/inflect"
@@ -1385,6 +1386,43 @@
return base64.StdEncoding.EncodeToString([]byte(conv)), nil
}
+func CountWords(content interface{}) (int, error) {+ conv, err := cast.ToStringE(content)
+
+ if err != nil {+ return 0, errors.New("Failed to convert content to string: " + err.Error())+ }
+
+ counter := 0
+ for _, word := range strings.Fields(helpers.StripHTML(conv)) {+ runeCount := utf8.RuneCountInString(word)
+ if len(word) == runeCount {+ counter++
+ } else {+ counter += runeCount
+ }
+ }
+
+ return counter, nil
+}
+
+func CountRunes(content interface{}) (int, error) {+ conv, err := cast.ToStringE(content)
+
+ if err != nil {+ return 0, errors.New("Failed to convert content to string: " + err.Error())+ }
+
+ counter := 0
+ for _, r := range helpers.StripHTML(conv) {+ if !helpers.IsWhitespace(r) {+ counter++
+ }
+ }
+
+ return counter, nil
+}
+
func init() { funcMap = template.FuncMap{"urlize": helpers.URLize,
@@ -1444,6 +1482,8 @@
"getenv": func(varName string) string { return os.Getenv(varName) },"base64Decode": Base64Decode,
"base64Encode": Base64Encode,
+ "countwords": CountWords,
+ "countrunes": CountRunes,
"pluralize": func(in interface{}) (string, error) {word, err := cast.ToStringE(in)
if err != nil {