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package boardvoting
//go:generate go-bindata -pkg $GOPACKAGE -o assets.go ./migrations/... ./static/... ./templates/...
import (
"bytes"
"errors"
"io"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"strings"
"time"
)
var defaultFileTimestamp = time.Now()
type AssetFS struct {
Asset func(path string) ([]byte, error)
AssetDir func(path string) ([]string, error)
AssetInfo func(path string) (os.FileInfo, error)
}
type FakeFile struct {
Path string
Dir bool
Len int64
Timestamp time.Time
}
func (f *FakeFile) Name() string {
_, name := filepath.Split(f.Path)
return name
}
func (f *FakeFile) Size() int64 { return f.Len }
func (f *FakeFile) Mode() os.FileMode {
mode := os.FileMode(0644)
if f.Dir {
return mode | os.ModeDir
}
return mode
}
func (f *FakeFile) ModTime() time.Time { return f.Timestamp }
func (f *FakeFile) IsDir() bool { return f.Dir }
func (f *FakeFile) Sys() interface{} { return nil }
type AssetFile struct {
*bytes.Reader
io.Closer
FakeFile
}
func NewAssetFile(name string, content []byte, timestamp time.Time) *AssetFile {
if timestamp.IsZero() {
timestamp = defaultFileTimestamp
}
return &AssetFile{
bytes.NewReader(content),
ioutil.NopCloser(nil),
FakeFile{name, false, int64(len(content)), timestamp},
}
}
func (f *AssetFile) Readdir(count int) ([]os.FileInfo, error) {
return nil, errors.New("not a directory")
}
func (f *AssetFile) Size() int64 {
return f.FakeFile.Size()
}
func (f *AssetFile) Stat() (os.FileInfo, error) {
return f, nil
}
type AssetDirectory struct {
AssetFile
ChildrenRead int
Children []os.FileInfo
}
func (f *AssetDirectory) Readdir(count int) ([]os.FileInfo, error) {
if count <= 0 {
return f.Children, nil
}
if f.ChildrenRead+count > len(f.Children) {
count = len(f.Children) - f.ChildrenRead
}
rv := f.Children[f.ChildrenRead : f.ChildrenRead+count]
f.ChildrenRead += count
return rv, nil
}
func (f *AssetDirectory) Stat() (os.FileInfo, error) {
return f, nil
}
func NewAssetDirectory(name string, children []string, fs *AssetFS) *AssetDirectory {
fileInfos := make([]os.FileInfo, 0, len(children))
for _, child := range children {
_, err := fs.AssetDir(filepath.Join(name, child))
fileInfos = append(fileInfos, &FakeFile{child, err == nil, 0, time.Time{}})
}
return &AssetDirectory{
AssetFile{
bytes.NewReader(nil),
ioutil.NopCloser(nil),
FakeFile{name, true, 0, time.Time{}},
},
0,
fileInfos}
}
func (f *AssetFS) Open(name string) (http.File, error) {
if len(name) > 0 && name[0] == '/' {
name = name[1:]
}
if b, err := f.Asset(name); err == nil {
timestamp := defaultFileTimestamp
if f.AssetInfo != nil {
if info, err := f.AssetInfo(name); err == nil {
timestamp = info.ModTime()
}
}
return NewAssetFile(name, b, timestamp), nil
}
if children, err := f.AssetDir(name); err == nil {
return NewAssetDirectory(name, children, f), nil
} else {
if strings.Contains(err.Error(), "not found") {
return nil, os.ErrNotExist
}
return nil, err
}
}
func GetAssetFS() *AssetFS {
return &AssetFS{Asset: Asset, AssetDir: AssetDir, AssetInfo: AssetInfo}
}
|
