func Get(path string, off, count int64, pred string) <-chan []byte {
if len(path) > 0 && path[0] == '#' {
rc := make(chan []byte)
ioc, err := app.IOarg(path)
if err != nil {
close(rc, err)
return rc
}
go func() {
for x := range ioc {
if b, ok := x.([]byte); ok {
sok := rc <- b
if !sok {
close(ioc, cerror(rc))
break
}
}
}
close(rc, cerror(ioc))
}()
return rc
}
path = app.AbsPath(path)
_, trs, spaths, err := app.ResolveTree(path)
if err != nil {
rc := make(chan []byte)
close(rc, err)
return rc
}
return trs[0].Get(spaths[0], off, count, pred)
}
func GetDir(path string) ([]zx.Dir, error) {
if len(path) > 0 && path[0] == '#' {
return nil, fmt.Errorf("%s: %s", path, dbg.ErrPerm)
}
path = app.AbsPath(path)
_, trs, spaths, err := app.ResolveTree(path)
if err != nil {
return nil, err
}
return zx.GetDir(trs[0], spaths[0])
}
// zx.GetAll using the app ns and dot.
func GetAll(path string) ([]byte, error) {
if len(path) > 0 && path[0] == '#' {
return nchan.Bytes(Get(path, 0, -1, ""))
}
path = app.AbsPath(path)
_, trs, spaths, err := app.ResolveTree(path)
if err != nil {
return nil, err
}
return zx.GetAll(trs[0], spaths[0])
}
func Mkdir(path string, d zx.Dir) error {
if len(path) > 0 && path[0] == '#' {
return fmt.Errorf("%s: %s", path, dbg.ErrPerm)
}
path = app.AbsPath(path)
_, trs, spaths, err := app.ResolveTree(path)
if err != nil {
return err
}
return <-trs[0].Mkdir(spaths[0], d)
}
// zx.Stat using the app ns and dot.
func Stat(path string) (zx.Dir, error) {
if len(path) > 0 && path[0] == '#' {
_, err := app.IOarg(path)
if err != nil {
return nil, fmt.Errorf("%s: %s", path, err)
}
d := zx.Dir{"path": path, "name": path,
"upath": path, "type":"c"}
return d, nil
}
path = app.AbsPath(path)
_, trs, spaths, err := app.ResolveTree(path)
if err != nil {
return nil, err
}
return zx.Stat(trs[0], spaths[0])
}
func Put(path string, d zx.Dir, off int64, dc <-chan []byte, pred string) chan zx.Dir {
if len(path) > 0 && path[0] == '#' {
rc := make(chan zx.Dir, 1)
if d != nil {
close(rc, fmt.Errorf("%s: %s", path, dbg.ErrPerm))
return rc
}
ioc, err := app.IOarg(path)
if err != nil {
close(rc, err)
return rc
}
go func() {
for x := range dc {
sok := ioc <- x
if !sok {
close(rc, cerror(rc))
break
}
}
d := zx.Dir{"path": path, "name": path,
"upath": path, "type":"c"}
rc <- d
close(ioc, cerror(dc))
}()
return rc
}
path = app.AbsPath(path)
_, trs, spaths, err := app.ResolveTree(path)
if err != nil {
rc := make(chan zx.Dir)
close(rc, err)
return rc
}
return trs[0].Put(spaths[0], d, off, dc, pred)
}