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// Copyright 2020 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package templates
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"path"
"strings"
"gopkg.in/macaron.v1"
"gogs.io/gogs/internal/osutil"
)
//go:generate go-bindata -nomemcopy -ignore="\\.DS_Store" -pkg=templates -prefix=../../../templates -debug=false -o=templates_gen.go ../../../templates/...
// fileSystem implements the macaron.TemplateFileSystem interface.
type fileSystem struct {
files []macaron.TemplateFile
}
func (fs *fileSystem) ListFiles() []macaron.TemplateFile {
return fs.files
}
func (fs *fileSystem) Get(name string) (io.Reader, error) {
for i := range fs.files {
if fs.files[i].Name()+fs.files[i].Ext() == name {
return bytes.NewReader(fs.files[i].Data()), nil
}
}
return nil, fmt.Errorf("file %q not found", name)
}
// NewTemplateFileSystem returns a macaron.TemplateFileSystem instance for embedded assets.
// The argument "dir" can be used to serve subset of embedded assets. Template file
// found under the "customDir" on disk has higher precedence over embedded assets.
func NewTemplateFileSystem(dir, customDir string) macaron.TemplateFileSystem {
if dir != "" && !strings.HasSuffix(dir, "/") {
dir += "/"
}
var files []macaron.TemplateFile
names := AssetNames()
for _, name := range names {
if !strings.HasPrefix(name, dir) {
continue
}
// Check if corresponding custom file exists
var err error
var data []byte
fpath := path.Join(customDir, name)
if osutil.IsFile(fpath) {
data, err = ioutil.ReadFile(fpath)
} else {
data, err = Asset(name)
}
if err != nil {
panic(err)
}
ext := path.Ext(name)
name = strings.TrimSuffix(name, ext)
files = append(files, macaron.NewTplFile(name, data, ext))
}
return &fileSystem{files: files}
}
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