alex/vfs
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Moving directory and file related functionality out of version.go

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This commit is contained in:
Alex Yatskov 2015-05-14 13:39:42 +09:00
parent 0b374838b2
commit c244062548
3 changed files with 112 additions and 57 deletions
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69
dir.go Normal file
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@ -0,0 +1,69 @@
/*
* Copyright (c) 2015 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package main
import (
"bazil.org/fuse"
"bazil.org/fuse/fs"
"golang.org/x/net/context"
)
type versionedDir struct {
dirs map[string]versionedDir
files map[string]versionedFile
node versionedNode
inode uint64
}
func (this versionedDir) Attr(attr *fuse.Attr) {
attr.Mode = this.node.info.Mode()
attr.Inode = this.inode
}
func (this versionedDir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
var entries []fuse.Dirent
for name, dir := range this.dirs {
entry := fuse.Dirent{Inode: dir.inode, Name: name, Type: fuse.DT_File}
entries = append(entries, entry)
}
for name, file := range this.files {
entry := fuse.Dirent{Inode: file.inode, Name: name, Type: fuse.DT_Dir}
entries = append(entries, entry)
}
return nil, nil
}
func (this versionedDir) Lookup(ctx context.Context, name string) (fs.Node, error) {
if dir, ok := this.dirs[name]; ok {
return dir, nil
}
if file, ok := this.files[name]; ok {
return file, nil
}
return nil, fuse.ENOENT
}

43
file.go Normal file
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@ -0,0 +1,43 @@
/*
* Copyright (c) 2015 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package main
import (
"bazil.org/fuse"
"golang.org/x/net/context"
)
type versionedFile struct {
node versionedNode
inode uint64
}
func (this versionedFile) Attr(attr *fuse.Attr) {
attr.Mode = this.node.info.Mode()
attr.Inode = this.inode
attr.Size = uint64(this.node.info.Size())
}
func (versionedFile) ReadAll(ctx context.Context) ([]byte, error) {
return nil, nil
}

57
version.go
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@ -23,11 +23,9 @@
package main
import (
"bazil.org/fuse"
"bazil.org/fuse/fs"
"encoding/json"
"fmt"
"golang.org/x/net/context"
"io/ioutil"
"os"
"path/filepath"
@ -45,61 +43,6 @@ type versionedNode struct {
info os.FileInfo
}
type versionedFile struct {
node versionedNode
inode uint64
}
func (this versionedFile) Attr(attr *fuse.Attr) {
attr.Mode = this.node.info.Mode()
attr.Inode = this.inode
attr.Size = uint64(this.node.info.Size())
}
func (versionedFile) ReadAll(ctx context.Context) ([]byte, error) {
return nil, nil
}
type versionedDir struct {
dirs map[string]versionedDir
files map[string]versionedFile
node versionedNode
inode uint64
}
func (this versionedDir) Attr(attr *fuse.Attr) {
attr.Mode = this.node.info.Mode()
attr.Inode = this.inode
}
func (this versionedDir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
var entries []fuse.Dirent
for name, dir := range this.dirs {
entry := fuse.Dirent{Inode: dir.inode, Name: name, Type: fuse.DT_File}
entries = append(entries, entry)
}
for name, file := range this.files {
entry := fuse.Dirent{Inode: file.inode, Name: name, Type: fuse.DT_Dir}
entries = append(entries, entry)
}
return nil, nil
}
func (this versionedDir) Lookup(ctx context.Context, name string) (fs.Node, error) {
if dir, ok := this.dirs[name]; ok {
return dir, nil
}
if file, ok := this.files[name]; ok {
return file, nil
}
return nil, fuse.ENOENT
}
type version struct {
base string
parent *version