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Code Issues Releases Activity

More flexible support for template engines

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This commit is contained in:
Mark Mindenhall 2016-05-10 22:54:33 -06:00
parent dae2a36eb5
commit 153d76e200
1 changed files with 21 additions and 13 deletions
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26
template.go
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@ -33,13 +33,12 @@ import (
var (
beegoTplFuncMap = make(template.FuncMap)
// beeTemplates caching map and supported template file extensions.
beeTemplates = make(map[string]TemplateRenderer)
beeTemplates = make(map[string]*template.Template)
templatesLock sync.RWMutex
// beeTemplateExt stores the template extension which will build
beeTemplateExt = []string{"tpl", "html"}
// beeTemplatePreprocessors stores associations of extension -> preprocessor handler
beeTemplateEngines = map[string]templateHandler{}
)
beeTemplateEngines = map[string]templatePreProcessor{})
// ExecuteTemplate applies the template with name to the specified data object,
// writing the output to wr.
@ -50,11 +49,22 @@ func ExecuteTemplate(wr io.Writer, name string, data interface{}) error {
defer templatesLock.RUnlock()
}
if t, ok := beeTemplates[name]; ok {
if t.Lookup(name) != nil {
err := t.ExecuteTemplate(wr, name, data)
if err != nil {
logs.Trace("template Execute err:", err)
}
return err
} else {
err := t.Execute(wr, data)
if err != nil {
if err != nil {
logs.Trace("template Execute err:", err)
}
return err
}
}
return nil
}
panic("can't find templatefile in the path:" + name)
}
@ -94,10 +104,8 @@ func AddFuncMap(key string, fn interface{}) error {
return nil
}
type templateHandler func(root, path string, funcs template.FuncMap) (TemplateRenderer, error)
type TemplateRenderer interface {
ExecuteTemplate(wr io.Writer, name string, data interface{}) error
}
type templatePreProcessor func(root, path string, funcs template.FuncMap) (*template.Template, error)
type templateFile struct {
root string
files map[string][]string
@ -172,7 +180,7 @@ func BuildTemplate(dir string, files ...string) error {
if buildAllFiles || utils.InSlice(file, files) {
templatesLock.Lock()
ext := filepath.Ext(file)
var t TemplateRenderer
var t *template.Template
if len(ext) == 0 {
t, err = getTemplate(self.root, file, v...)
} else if fn, ok := beeTemplateEngines[ext[1:]]; ok {
@ -325,7 +333,7 @@ func DelStaticPath(url string) *App {
return BeeApp
}
func AddTemplateEngine(extension string, fn templateHandler) *App {
func AddTemplateEngine(extension string, fn templatePreProcessor) *App {
AddTemplateExt(extension)
beeTemplateEngines[extension] = fn
return BeeApp