shithub: hell

ref: 3e8f569b8cd631f999757ce37e8d72076f64860c
dir: /templater.go/

package main

import (
	"fmt"
	"os"
)

type templateDefs struct {
	stringer fmt.Stringer
	key      string
}

type templateRenderer struct {
	tempdefs []*templateDefs
}

// returns a new template renderer loaded with standard format keys
func newStatusTemplateRenderer(sf *StatusFormatter) *templateRenderer {
	return &templateRenderer{
		tempdefs: []*templateDefs{
			{key: "content", stringer: &statusContent{sf}},
			{key: "media_descriptions", stringer: &mediaDescriptions{sf}},
			{key: "detail_line", stringer: &detailLine{sf}},
			{key: "username", stringer: &username{sf}},
			{key: "boostuser", stringer: &boostedusername{sf}},
			{key: "boostcontent", stringer: &boostContent{sf}},
			{key: "boosted_media_descriptions", stringer: &boostMediaDescriptions{sf}},
		},
	}
}

func (tr *templateRenderer) render(template string) (string, error) {
	expandMap := func(key string) string {
		for item := range tr.tempdefs {
			if key == tr.tempdefs[item].key {
				return tr.tempdefs[item].stringer.String()
			}
		}
		return fmt.Sprintf("%%KEY_NOT_FOUND:%s", key)
	}

	return hyphenate(os.Expand(template, expandMap)), nil
}