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Add template funcs countwords and countrunes
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@ -525,6 +525,26 @@ Converts all characters in string to uppercase.
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e.g. `{{upper "BatMan"}}` → "BATMAN"
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### countwords
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`countwords` tries to convert the passed content to a string and counts each word
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in it. The template functions works similar to [.WordCount]({{< relref "templates/variables.md#page-variables" >}}).
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```html
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{{ "Hugo is a static site generator." | countwords }}
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<!-- outputs a content length of 6 words. -->
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```
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### countrunes
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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
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CJK-like languages.
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```html
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{{ "Hello, 世界" | countrunes }}
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<!-- outputs a content length of 8 runes. -->
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```
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## URLs
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@ -26,6 +26,7 @@ import (
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"strconv"
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"strings"
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"time"
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"unicode/utf8"
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"bitbucket.org/pkg/inflect"
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@ -1385,6 +1386,43 @@ func Base64Encode(content interface{}) (string, error) {
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return base64.StdEncoding.EncodeToString([]byte(conv)), nil
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}
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func CountWords(content interface{}) (int, error) {
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conv, err := cast.ToStringE(content)
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if err != nil {
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return 0, errors.New("Failed to convert content to string: " + err.Error())
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}
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counter := 0
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for _, word := range strings.Fields(helpers.StripHTML(conv)) {
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runeCount := utf8.RuneCountInString(word)
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if len(word) == runeCount {
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counter++
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} else {
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counter += runeCount
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}
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}
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return counter, nil
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}
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func CountRunes(content interface{}) (int, error) {
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conv, err := cast.ToStringE(content)
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if err != nil {
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return 0, errors.New("Failed to convert content to string: " + err.Error())
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}
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counter := 0
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for _, r := range helpers.StripHTML(conv) {
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if !helpers.IsWhitespace(r) {
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counter++
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}
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}
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return counter, nil
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}
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func init() {
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funcMap = template.FuncMap{
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"urlize": helpers.URLize,
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@ -1444,6 +1482,8 @@ func init() {
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"getenv": func(varName string) string { return os.Getenv(varName) },
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"base64Decode": Base64Decode,
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"base64Encode": Base64Encode,
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"countwords": CountWords,
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"countrunes": CountRunes,
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"pluralize": func(in interface{}) (string, error) {
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word, err := cast.ToStringE(in)
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if err != nil {
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