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skabelon.go
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/
skabelon.go
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/*
Package skabelon implements total templating functionality
*/
package skabelon
import (
"os"
"strings"
"text/template"
)
type Skabelon struct {
values map[string]string
options []string
template *template.Template
}
func New() *Skabelon {
instance := new(Skabelon)
instance.options = []string{"missingkey=error"}
instance.initSysEnv()
return instance
}
func (instance *Skabelon) SetOptions(options []string) {
instance.options = options
}
func (instance *Skabelon) initSysEnv() {
instance.values = make(map[string]string)
for _, tuple := range os.Environ() {
pair := strings.Split(tuple, "=")
instance.Set(pair[0], pair[1])
}
}
func (instance *Skabelon) Set(key, value string) {
instance.values[key] = value
}
func (instance *Skabelon) Get(key string) (string, bool) {
val, exist := instance.values[key]
return val, exist
}
func (instance *Skabelon) Parse(name, tmpl string) error {
if instance.template == nil {
instance.template = template.New(name).Option(instance.options...)
}
var tt *template.Template
if instance.template.Name() == name {
tt = instance.template
} else {
tt = instance.template.New(name)
}
_, err := tt.Parse(tmpl)
return err
}
func (instance *Skabelon) Exec(file *os.File) error {
return instance.template.Execute(file, instance.values)
}