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moby--moby/utils/templates/templates.go
David Calavera 8514880997 Provide basic string manupilation functions for template executions.
This change centralizes the template manipulation in a single package
and adds basic string functions to their execution.

Signed-off-by: David Calavera <david.calavera@gmail.com>
2016-03-09 19:37:12 -05:00

33 lines
830 B
Go

package templates
import (
"encoding/json"
"strings"
"text/template"
)
// basicFunctions are the set of initial
// functions provided to every template.
var basicFunctions = template.FuncMap{
"json": func(v interface{}) string {
a, _ := json.Marshal(v)
return string(a)
},
"split": strings.Split,
"join": strings.Join,
"title": strings.Title,
"lower": strings.ToLower,
"upper": strings.ToUpper,
}
// Parse creates a new annonymous template with the basic functions
// and parses the given format.
func Parse(format string) (*template.Template, error) {
return NewParse("", format)
}
// NewParse creates a new tagged template with the basic functions
// and parses the given format.
func NewParse(tag, format string) (*template.Template, error) {
return template.New(tag).Funcs(basicFunctions).Parse(format)
}