1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
// Copyright 2017 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package template
import (
"bytes"
"html/template"
"io"
"github.com/miniflux/miniflux/config"
"github.com/miniflux/miniflux/locale"
"github.com/miniflux/miniflux/logger"
"github.com/gorilla/mux"
)
// Engine handles the templating system.
type Engine struct {
templates map[string]*template.Template
translator *locale.Translator
funcMap *funcMap
}
func (e *Engine) parseAll() {
commonTemplates := ""
for _, content := range templateCommonMap {
commonTemplates += content
}
for name, content := range templateViewsMap {
logger.Debug("[Template] Parsing: %s", name)
e.templates[name] = template.Must(template.New("main").Funcs(e.funcMap.Map()).Parse(commonTemplates + content))
}
}
// SetLanguage change the language for template processing.
func (e *Engine) SetLanguage(language string) {
e.funcMap.Language = e.translator.GetLanguage(language)
}
// Execute process a template.
func (e *Engine) Execute(w io.Writer, name string, data interface{}) {
tpl, ok := e.templates[name]
if !ok {
logger.Fatal("[Template] The template %s does not exists", name)
}
var b bytes.Buffer
err := tpl.ExecuteTemplate(&b, "base", data)
if err != nil {
logger.Fatal("[Template] Unable to render template: %v", err)
}
b.WriteTo(w)
}
// NewEngine returns a new template engine.
func NewEngine(cfg *config.Config, router *mux.Router, translator *locale.Translator) *Engine {
tpl := &Engine{
templates: make(map[string]*template.Template),
translator: translator,
funcMap: newFuncMap(cfg, router, translator.GetLanguage("en_US")),
}
tpl.parseAll()
return tpl
}
|
