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Beego/pkg/adapter/template.go
2020-09-05 16:24:19 +08:00

109 lines
3.5 KiB
Go

// Copyright 2014 beego Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package adapter
import (
"html/template"
"io"
"net/http"
"github.com/astaxie/beego/pkg/server/web"
)
// ExecuteTemplate applies the template with name to the specified data object,
// writing the output to wr.
// A template will be executed safely in parallel.
func ExecuteTemplate(wr io.Writer, name string, data interface{}) error {
return web.ExecuteTemplate(wr, name, data)
}
// ExecuteViewPathTemplate applies the template with name and from specific viewPath to the specified data object,
// writing the output to wr.
// A template will be executed safely in parallel.
func ExecuteViewPathTemplate(wr io.Writer, name string, viewPath string, data interface{}) error {
return web.ExecuteViewPathTemplate(wr, name, viewPath, data)
}
// AddFuncMap let user to register a func in the template.
func AddFuncMap(key string, fn interface{}) error {
return web.AddFuncMap(key, fn)
}
type templatePreProcessor func(root, path string, funcs template.FuncMap) (*template.Template, error)
type templateFile struct {
root string
files map[string][]string
}
// HasTemplateExt return this path contains supported template extension of beego or not.
func HasTemplateExt(paths string) bool {
return web.HasTemplateExt(paths)
}
// AddTemplateExt add new extension for template.
func AddTemplateExt(ext string) {
web.AddTemplateExt(ext)
}
// AddViewPath adds a new path to the supported view paths.
// Can later be used by setting a controller ViewPath to this folder
// will panic if called after beego.Run()
func AddViewPath(viewPath string) error {
return web.AddViewPath(viewPath)
}
// BuildTemplate will build all template files in a directory.
// it makes beego can render any template file in view directory.
func BuildTemplate(dir string, files ...string) error {
return web.BuildTemplate(dir, files...)
}
type templateFSFunc func() http.FileSystem
func defaultFSFunc() http.FileSystem {
return FileSystem{}
}
// SetTemplateFSFunc set default filesystem function
func SetTemplateFSFunc(fnt templateFSFunc) {
web.SetTemplateFSFunc(func() http.FileSystem {
return fnt()
})
}
// SetViewsPath sets view directory path in beego application.
func SetViewsPath(path string) *App {
return (*App)(web.SetViewsPath(path))
}
// SetStaticPath sets static directory path and proper url pattern in beego application.
// if beego.SetStaticPath("static","public"), visit /static/* to load static file in folder "public".
func SetStaticPath(url string, path string) *App {
return (*App)(web.SetStaticPath(url, path))
}
// DelStaticPath removes the static folder setting in this url pattern in beego application.
func DelStaticPath(url string) *App {
return (*App)(web.DelStaticPath(url))
}
// AddTemplateEngine add a new templatePreProcessor which support extension
func AddTemplateEngine(extension string, fn templatePreProcessor) *App {
return (*App)(web.AddTemplateEngine(extension, func(root, path string, funcs template.FuncMap) (*template.Template, error) {
return fn(root, path, funcs)
}))
}