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gitea/vendor/github.com/go-macaron/bindata/bindata.go
2017-01-25 12:26:31 +08:00

117 lines
2.6 KiB
Go

// Copyright 2014 Dustin Webber
// Copyright 2015 The Macaron Authors
//
// 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 bindata is a helper module that allows to use in-memory static and template files for Macaron.
package bindata
import (
"bytes"
"fmt"
"io"
"os"
"github.com/elazarl/go-bindata-assetfs"
"gopkg.in/macaron.v1"
)
const _VERSION = "0.1.1"
func Version() string {
return _VERSION
}
type (
templateFileSystem struct {
files []macaron.TemplateFile
}
templateFile struct {
name string
data []byte
ext string
}
Options struct {
// Asset should return content of file in path if exists
Asset func(path string) ([]byte, error)
// AssetDir should return list of files in the path
AssetDir func(path string) ([]string, error)
// AssetInfo should return the info of file in path if exists
AssetInfo func(path string) (os.FileInfo, error)
// AssetNames should return list of all asset names
AssetNames func() []string
// Prefix would be prepended to http requests
Prefix string
}
)
func Static(opt Options) *assetfs.AssetFS {
fs := &assetfs.AssetFS{
Asset: opt.Asset,
AssetDir: opt.AssetDir,
AssetInfo: opt.AssetInfo,
Prefix: opt.Prefix,
}
return fs
}
func (templates templateFileSystem) ListFiles() []macaron.TemplateFile {
return templates.files
}
func (templates templateFileSystem) Get(name string) (io.Reader, error) {
for i := range templates.files {
if templates.files[i].Name()+templates.files[i].Ext() == name {
return bytes.NewReader(templates.files[i].Data()), nil
}
}
return nil, fmt.Errorf("file '%s' not found", name)
}
func (f *templateFile) Name() string {
return f.name
}
func (f *templateFile) Data() []byte {
return f.data
}
func (f *templateFile) Ext() string {
return f.ext
}
func Templates(opt Options) templateFileSystem {
fs := templateFileSystem{}
fs.files = make([]macaron.TemplateFile, 0, 10)
list := opt.AssetNames()
for _, key := range list {
ext := macaron.GetExt(key)
data, err := opt.Asset(key)
if err != nil {
continue
}
name := (key[0 : len(key)-len(ext)])
fs.files = append(fs.files, &templateFile{name, data, ext})
}
return fs
}