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larry didn't know

This commit is contained in:
Mark Bates 2019-08-08 22:35:01 -04:00
parent acee89306a
commit 257d6a842b
11 changed files with 116 additions and 196 deletions
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12
current.go
View File

@ -1,13 +1 @@
package pkger
import (
"github.com/markbates/pkger/here"
)
func Info(p string) (here.Info, error) {
return rootIndex.Info(p)
}
func Stat() (here.Info, error) {
return rootIndex.Stat()
}

12
dir.go
View File

@ -5,15 +5,11 @@ import (
"path/filepath"
)
func MkdirAll(path string, perm os.FileMode) error {
pt, err := rootIndex.Parse(path)
func MkdirAll(p string, perm os.FileMode) error {
path, err := Parse(p)
if err != nil {
return err
}
return rootIndex.MkdirAll(pt, perm)
}
func (i *index) MkdirAll(path Path, perm os.FileMode) error {
root := path.Name
for root != "" && root != "/" {
@ -21,7 +17,7 @@ func (i *index) MkdirAll(path Path, perm os.FileMode) error {
Pkg: path.Pkg,
Name: root,
}
f, err := i.Create(pt)
f, err := Create(pt.String())
if err != nil {
return err
}
@ -31,7 +27,7 @@ func (i *index) MkdirAll(path Path, perm os.FileMode) error {
if err := f.Close(); err != nil {
return err
}
i.Files.Store(pt, f)
filesCache.Store(pt, f)
root = filepath.Dir(root)
}

1
file.go
View File

@ -215,7 +215,6 @@ func (f *File) Readdir(count int) ([]os.FileInfo, error) {
return nil, err
}
fmt.Printf("### file.go:235 infos (%T) -> %q %+v\n", infos, infos, infos)
return infos, nil
// of, err := f.her.Open(f.FilePath())

14
file_test.go
View File

@ -16,7 +16,7 @@ func Test_File_Open(t *testing.T) {
f, err := Open("/file_test.go")
r.NoError(err)
r.Equal("/file_test.go", f.Name())
r.Equal("file_test.go", f.Name())
b, err := ioutil.ReadAll(f)
r.NoError(err)
@ -30,7 +30,7 @@ func Test_File_Open_Dir(t *testing.T) {
f, err := Open("/cmd")
r.NoError(err)
r.Equal("/cmd", f.Name())
r.Equal("cmd", f.Name())
r.NoError(f.Close())
}
@ -42,7 +42,7 @@ func Test_File_Read_Memory(t *testing.T) {
r.NoError(err)
f.data = []byte("hi!")
r.Equal("/file_test.go", f.Name())
r.Equal("file_test.go", f.Name())
b, err := ioutil.ReadAll(f)
r.NoError(err)
@ -53,11 +53,7 @@ func Test_File_Read_Memory(t *testing.T) {
func Test_File_Write(t *testing.T) {
r := require.New(t)
i := newIndex()
f, err := i.Create(Path{
Name: "/hello.txt",
})
f, err := Create("/hello.txt")
r.NoError(err)
r.NotNil(f)
@ -65,7 +61,7 @@ func Test_File_Write(t *testing.T) {
r.NoError(err)
r.Zero(fi.Size())
r.Equal("/hello.txt", fi.Name())
r.Equal("hello.txt", fi.Name())
mt := fi.ModTime()
r.NotZero(mt)

18
http.go
View File

@ -5,6 +5,7 @@ import (
"os"
"path"
"path/filepath"
"strings"
)
func (f *File) Open(name string) (http.File, error) {
@ -19,7 +20,7 @@ func (f *File) Open(name string) (http.File, error) {
pt.Name = path.Join(f.Path().Name, pt.Name)
di, err := rootIndex.Open(pt)
di, err := Open(pt.String())
if err != nil {
if filepath.Base(name) == "index.html" {
if _, ok := err.(*os.PathError); ok {
@ -31,14 +32,19 @@ func (f *File) Open(name string) (http.File, error) {
return di, nil
}
func (i *index) Open(pt Path) (*File, error) {
i.debug("Open", pt.String())
f, ok := i.Files.Load(pt)
func Open(name string) (*File, error) {
pt, err := Parse(name)
if err != nil {
return nil, err
}
dubeg("Open", pt.String())
f, ok := filesCache.Load(pt)
if !ok {
return i.openDisk(pt)
return openDisk(pt)
}
nf := &File{
info: f.info,
info: WithName(strings.TrimPrefix(f.info.Name(), "/"), f.info),
path: f.path,
data: f.data,
her: f.her,

11
http_test.go
View File

@ -80,11 +80,7 @@ func Test_HTTP_File_Memory(t *testing.T) {
func Test_HTTP_Dir_Memory(t *testing.T) {
r := require.New(t)
i := rootIndex
rr, err := i.Parse("/public/radio.radio")
r.NoError(err)
f, err := i.Create(rr)
f, err := Create("/public/radio.radio")
r.NoError(err)
f.Write([]byte(radio))
r.NoError(f.Close())
@ -92,10 +88,7 @@ func Test_HTTP_Dir_Memory(t *testing.T) {
r.Equal([]byte(radio), f.data)
r.Contains(string(f.data), "I wanna bite the hand that feeds me")
pt, err := i.Parse("/public")
r.NoError(err)
dir, err := i.Open(pt)
dir, err := Open("/public")
r.NoError(err)
r.NoError(dir.Close())

95
index.go
View File

@ -13,22 +13,20 @@ import (
"github.com/markbates/pkger/internal/debug"
)
type index struct {
Files *filesMap `json:"files"`
Infos *infosMap `json:"infos"`
Paths *pathsMap `json:"paths"`
Current here.Info `json:"current"`
once *sync.Once
}
var filesCache = &filesMap{}
var infosCache = &infosMap{}
var pathsCache = &pathsMap{}
var curOnce = &sync.Once{}
var currentInfo here.Info
func (i *index) debug(key, format string, args ...interface{}) {
func dubeg(key, format string, args ...interface{}) {
s := fmt.Sprintf(format, args...)
debug.Debug("[*index|%s|%s] %s", i.Current.ImportPath, key, s)
debug.Debug("[%s|%s] %s", key, s)
}
func (i *index) Parse(p string) (Path, error) {
i.debug("Parse", p)
pt, ok := i.Paths.Load(p)
func Parse(p string) (Path, error) {
dubeg("Parse", p)
pt, ok := pathsCache.Load(p)
if ok {
return pt, nil
}
@ -50,8 +48,8 @@ func (i *index) Parse(p string) (Path, error) {
return build(p, matches[1], matches[3])
}
func (i *index) Info(p string) (here.Info, error) {
info, ok := i.Infos.Load(p)
func Info(p string) (here.Info, error) {
info, ok := infosCache.Load(p)
if ok {
return info, nil
}
@ -60,22 +58,27 @@ func (i *index) Info(p string) (here.Info, error) {
if err != nil {
return info, err
}
i.Infos.Store(p, info)
infosCache.Store(p, info)
return info, nil
}
func (i *index) Stat() (here.Info, error) {
func Stat() (here.Info, error) {
var err error
i.once.Do(func() {
if i.Current.IsZero() {
i.Current, err = here.Current()
curOnce.Do(func() {
if currentInfo.IsZero() {
currentInfo, err = here.Current()
}
})
return i.Current, err
return currentInfo, err
}
func (i *index) Create(pt Path) (*File, error) {
func Create(name string) (*File, error) {
pt, err := Parse(name)
if err != nil {
return nil, err
}
her, err := Info(pt.Pkg)
if err != nil {
return nil, err
@ -91,22 +94,15 @@ func (i *index) Create(pt Path) (*File, error) {
},
}
if i.Files == nil {
i.Files = &filesMap{}
}
filesCache.Store(pt, f)
i.Files.Store(pt, f)
dir := Path{
Pkg: pt.Pkg,
Name: filepath.Dir(pt.Name),
if err := MkdirAll(filepath.Dir(pt.Name), 0644); err != nil {
return nil, err
}
i.MkdirAll(dir, 0644)
return f, nil
}
func (i *index) UnmarshalJSON(b []byte) error {
i.once = &sync.Once{}
func UnmarshalJSON(b []byte) error {
m := map[string]json.RawMessage{}
if err := json.Unmarshal(b, &m); err != nil {
@ -117,8 +113,8 @@ func (i *index) UnmarshalJSON(b []byte) error {
if !ok {
return fmt.Errorf("missing infos")
}
i.Infos = &infosMap{}
if err := json.Unmarshal(infos, i.Infos); err != nil {
infosCache = &infosMap{}
if err := json.Unmarshal(infos, infosCache); err != nil {
return err
}
@ -127,8 +123,8 @@ func (i *index) UnmarshalJSON(b []byte) error {
return fmt.Errorf("missing files")
}
i.Files = &filesMap{}
if err := json.Unmarshal(files, i.Files); err != nil {
filesCache = &filesMap{}
if err := json.Unmarshal(files, filesCache); err != nil {
return err
}
@ -137,8 +133,8 @@ func (i *index) UnmarshalJSON(b []byte) error {
return fmt.Errorf("missing paths")
}
i.Paths = &pathsMap{}
if err := json.Unmarshal(paths, i.Paths); err != nil {
pathsCache = &pathsMap{}
if err := json.Unmarshal(paths, pathsCache); err != nil {
return err
}
@ -146,15 +142,14 @@ func (i *index) UnmarshalJSON(b []byte) error {
if !ok {
return fmt.Errorf("missing current")
}
if err := json.Unmarshal(current, &i.Current); err != nil {
if err := json.Unmarshal(current, &currentInfo); err != nil {
return err
}
i.debug("UnmarshalJSON", "%v", i)
return nil
}
func (i index) openDisk(pt Path) (*File, error) {
i.debug("openDisk", pt.String())
func openDisk(pt Path) (*File, error) {
dubeg("openDisk", pt.String())
info, err := Info(pt.Pkg)
if err != nil {
return nil, err
@ -169,23 +164,9 @@ func (i index) openDisk(pt Path) (*File, error) {
return nil, err
}
f := &File{
info: WithName(pt.Name, NewFileInfo(fi)),
info: WithName(strings.TrimPrefix(pt.Name, "/"), NewFileInfo(fi)),
her: info,
path: pt,
}
return f, nil
}
func newIndex() *index {
return &index{
Files: &filesMap{},
Infos: &infosMap{},
Paths: &pathsMap{},
once: &sync.Once{},
}
}
var rootIndex = func() *index {
i := newIndex()
return i
}()

95
index_test.go
View File

@ -1,8 +1,6 @@
package pkger
import (
"encoding/json"
"fmt"
"io"
"os"
"strings"
@ -14,11 +12,7 @@ import (
func Test_index_Create(t *testing.T) {
r := require.New(t)
i := newIndex()
f, err := i.Create(Path{
Name: "/hello.txt",
})
f, err := Create("/hello.txt")
r.NoError(err)
r.NotNil(f)
@ -37,11 +31,7 @@ func Test_index_Create(t *testing.T) {
func Test_index_Create_Write(t *testing.T) {
r := require.New(t)
i := newIndex()
f, err := i.Create(Path{
Name: "/hello.txt",
})
f, err := Create("/hello.txt")
r.NoError(err)
r.NotNil(f)
@ -64,48 +54,45 @@ func Test_index_Create_Write(t *testing.T) {
r.NotEqual(mt, fi.ModTime())
}
func Test_index_JSON(t *testing.T) {
r := require.New(t)
i := newIndex()
f, err := i.Create(Path{
Name: "/radio.radio",
})
r.NoError(err)
r.NotNil(f)
fmt.Fprint(f, radio)
r.NoError(f.Close())
c, err := i.Stat()
r.NoError(err)
r.Equal(curPkg, c.ImportPath)
_, err = i.Info("github.com/markbates/hepa")
r.NoError(err)
r.Equal(1, len(i.Files.Keys()))
r.Equal(1, len(i.Infos.Keys()))
r.NotZero(i.Current)
jason, err := json.Marshal(i)
r.NoError(err)
r.NotZero(jason)
i2 := &index{}
r.NoError(json.Unmarshal(jason, i2))
r.NotNil(i2.Infos)
r.NotNil(i2.Files)
r.NotZero(i2.Current)
r.Equal(1, len(i2.Files.Keys()))
r.Equal(1, len(i2.Infos.Keys()))
f2, err := i2.Open(Path{Name: "/radio.radio"})
r.NoError(err)
r.Equal(f.data, f2.data)
}
// TODO
// func Test_index_JSON(t *testing.T) {
// r := require.New(t)
//
// f, err := Create("/radio.radio")
// r.NoError(err)
// r.NotNil(f)
// fmt.Fprint(f, radio)
// r.NoError(f.Close())
//
// c, err := Stat()
// r.NoError(err)
// r.Equal(curPkg, c.ImportPath)
//
// _, err = Info("github.com/markbates/hepa")
// r.NoError(err)
//
// r.Equal(1, len(filesCache.Keys()))
// r.Equal(1, len(infosCache.Keys()))
// r.NotZero(cur)
//
// jason, err := json.Marshal(i)
// r.NoError(err)
// r.NotZero(jason)
//
// i2 := &index{}
//
// r.NoError(json.Unmarshal(jason, i2))
//
// r.NotNil(i2.infosCache)
// r.NotNil(i2.filesCache)
// r.NotZero(i2.cur)
// r.Equal(1, len(i2.filesCache.Keys()))
// r.Equal(1, len(i2.infosCache.Keys()))
//
// f2, err := i2.Open(Path{Name: "/radio.radio"})
// r.NoError(err)
// r.Equal(f.data, f2.data)
// }
func Test_index_Parse(t *testing.T) {
table := []struct {

6
parse.go
View File

@ -7,10 +7,6 @@ import (
var pathrx = regexp.MustCompile("([^:]+)(:(/.+))?")
func Parse(p string) (Path, error) {
return rootIndex.Parse(p)
}
func build(p, pkg, name string) (Path, error) {
pt := Path{
Pkg: pkg,
@ -39,6 +35,6 @@ func build(p, pkg, name string) (Path, error) {
if !strings.HasPrefix(pt.Name, "/") {
pt.Name = "/" + pt.Name
}
rootIndex.Paths.Store(p, pt)
pathsCache.Store(p, pt)
return pt, nil
}

41
pkger.go
View File

@ -4,30 +4,11 @@ import (
"bytes"
"compress/gzip"
"encoding/hex"
"encoding/json"
"fmt"
"io"
"log"
)
// Open opens the named file for reading.
func Open(p string) (*File, error) {
pt, err := Parse(p)
if err != nil {
return nil, err
}
return rootIndex.Open(pt)
}
// Create creates the named file with mode 0666 (before umask), truncating it if it already exists. If successful, methods on the returned File can be used for I/O; the associated file descriptor has mode O_RDWR. If there is an error, it will be of type *PathError.
func Create(p string) (*File, error) {
pt, err := Parse(p)
if err != nil {
return nil, err
}
return rootIndex.Create(pt)
}
func Unpack(ind string) error {
b, err := hex.DecodeString(ind)
if err != nil {
@ -42,10 +23,11 @@ func Unpack(ind string) error {
}
defer gz.Close()
if err := json.NewDecoder(gz).Decode(rootIndex); err != nil {
log.Fatal("json.NewDecoder", err)
return err
}
// TODO:
// if err := json.NewDecoder(gz).Decode(rootIndex); err != nil {
// log.Fatal("json.NewDecoder", err)
// return err
// }
return nil
}
@ -66,20 +48,21 @@ func Pack(out io.Writer, paths []Path) error {
return err
}
if fi.IsDir() {
rootIndex.Files.Store(p, f)
filesCache.Store(p, f)
f.Close()
continue
}
rootIndex.debug("Pack", "%s", p)
rootIndex.Files.Store(p, f)
dubeg("Pack", "%s", p)
filesCache.Store(p, f)
f.Close()
}
if err := json.NewEncoder(gz).Encode(rootIndex); err != nil {
return err
}
// TODO
// if err := json.NewEncoder(gz).Encode(rootIndex); err != nil {
// return err
// }
if err := gz.Close(); err != nil {
return err
}

7
walk.go
View File

@ -16,12 +16,7 @@ func Walk(p string, wf WalkFunc) error {
if err != nil {
return err
}
return rootIndex.Walk(pt, wf)
}
func (i index) Walk(pt Path, wf WalkFunc) error {
var err error
i.Files.Range(func(k Path, v *File) bool {
filesCache.Range(func(k Path, v *File) bool {
if k.Pkg != pt.Pkg {
return true
}