Renaming files

This commit is contained in:
Alex Yatskov 2016-01-13 12:21:30 +09:00
parent 16d02310e6
commit bbd3252541
3 changed files with 217 additions and 217 deletions

150
core.go Normal file
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@ -0,0 +1,150 @@
/*
* 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 goldsmith
import (
"os"
"path/filepath"
"sync"
)
type goldsmith struct {
srcDir, dstDir string
contexts []*context
refs map[string]bool
refMtx sync.Mutex
errors []error
errorMtx sync.Mutex
}
func (gs *goldsmith) pushContext(plug Plugin) *context {
ctx := &context{gs: gs, plug: plug, output: make(chan *file)}
if len(gs.contexts) > 0 {
ctx.input = gs.contexts[len(gs.contexts)-1].output
}
gs.contexts = append(gs.contexts, ctx)
return ctx
}
func (gs *goldsmith) cleanupFiles() {
files := make(chan string)
dirs := make(chan string)
go scanDir(gs.dstDir, files, dirs)
for files != nil || dirs != nil {
var (
path string
ok bool
)
select {
case path, ok = <-files:
if !ok {
files = nil
continue
}
case path, ok = <-dirs:
if !ok {
dirs = nil
continue
}
default:
continue
}
relPath, err := filepath.Rel(gs.dstDir, path)
if err != nil {
panic(err)
}
if contained, _ := gs.refs[relPath]; contained {
continue
}
os.RemoveAll(path)
}
}
func (gs *goldsmith) exportFile(f *file) error {
absPath := filepath.Join(gs.dstDir, f.path)
if err := f.export(absPath); err != nil {
return err
}
gs.referenceFile(f.path)
return nil
}
func (gs *goldsmith) referenceFile(path string) {
gs.refMtx.Lock()
defer gs.refMtx.Unlock()
path = cleanPath(path)
for {
gs.refs[path] = true
if path == "." {
break
}
path = filepath.Dir(path)
}
}
func (gs *goldsmith) fault(f *file, err error) {
gs.errorMtx.Lock()
ferr := &Error{Err: err}
if f != nil {
ferr.Path = f.path
}
gs.errors = append(gs.errors, ferr)
gs.errorMtx.Unlock()
}
//
// Goldsmith Implementation
//
func (gs *goldsmith) Chain(p Plugin) Goldsmith {
gs.pushContext(p)
return gs
}
func (gs *goldsmith) End(dstDir string) []error {
gs.dstDir = dstDir
for _, ctx := range gs.contexts {
go ctx.chain()
}
ctx := gs.contexts[len(gs.contexts)-1]
for f := range ctx.output {
gs.exportFile(f)
}
gs.cleanupFiles()
return gs.errors
}

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@ -23,128 +23,80 @@
package goldsmith package goldsmith
import ( import (
"os" "bytes"
"path/filepath" "io"
"sync"
) )
type goldsmith struct { type Goldsmith interface {
srcDir, dstDir string Chain(p Plugin) Goldsmith
contexts []*context End(dstDir string) []error
refs map[string]bool
refMtx sync.Mutex
errors []error
errorMtx sync.Mutex
} }
func (gs *goldsmith) pushContext(plug Plugin) *context { func Begin(srcDir string) Goldsmith {
ctx := &context{gs: gs, plug: plug, output: make(chan *file)} gs := &goldsmith{srcDir: srcDir, refs: make(map[string]bool)}
if len(gs.contexts) > 0 { gs.Chain(new(loader))
ctx.input = gs.contexts[len(gs.contexts)-1].output
}
gs.contexts = append(gs.contexts, ctx)
return ctx
}
func (gs *goldsmith) cleanupFiles() {
files := make(chan string)
dirs := make(chan string)
go scanDir(gs.dstDir, files, dirs)
for files != nil || dirs != nil {
var (
path string
ok bool
)
select {
case path, ok = <-files:
if !ok {
files = nil
continue
}
case path, ok = <-dirs:
if !ok {
dirs = nil
continue
}
default:
continue
}
relPath, err := filepath.Rel(gs.dstDir, path)
if err != nil {
panic(err)
}
if contained, _ := gs.refs[relPath]; contained {
continue
}
os.RemoveAll(path)
}
}
func (gs *goldsmith) exportFile(f *file) error {
absPath := filepath.Join(gs.dstDir, f.path)
if err := f.export(absPath); err != nil {
return err
}
gs.referenceFile(f.path)
return nil
}
func (gs *goldsmith) referenceFile(path string) {
gs.refMtx.Lock()
defer gs.refMtx.Unlock()
path = cleanPath(path)
for {
gs.refs[path] = true
if path == "." {
break
}
path = filepath.Dir(path)
}
}
func (gs *goldsmith) fault(f *file, err error) {
gs.errorMtx.Lock()
ferr := &Error{Err: err}
if f != nil {
ferr.Path = f.path
}
gs.errors = append(gs.errors, ferr)
gs.errorMtx.Unlock()
}
//
// Goldsmith Implementation
//
func (gs *goldsmith) Chain(p Plugin) Goldsmith {
gs.pushContext(p)
return gs return gs
} }
func (gs *goldsmith) End(dstDir string) []error { type File interface {
gs.dstDir = dstDir Path() string
for _, ctx := range gs.contexts { Value(key string) (interface{}, bool)
go ctx.chain() SetValue(key string, value interface{})
} CopyValues(src File)
ctx := gs.contexts[len(gs.contexts)-1] Read(p []byte) (int, error)
for f := range ctx.output { WriteTo(w io.Writer) (int64, error)
gs.exportFile(f) Seek(offset int64, whence int) (int64, error)
}
gs.cleanupFiles()
return gs.errors
} }
func NewFileFromData(path string, data []byte) File {
return &file{
path: path,
Meta: make(map[string]interface{}),
reader: bytes.NewReader(data),
}
}
func NewFileFromAsset(path, asset string) File {
return &file{
path: path,
Meta: make(map[string]interface{}),
asset: asset,
}
}
type Context interface {
DispatchFile(f File)
ReferenceFile(path string)
SrcDir() string
DstDir() string
}
type Error struct {
Err error
Path string
}
func (e Error) Error() string {
return e.Err.Error()
}
type Initializer interface {
Initialize(ctx Context) error
}
type Accepter interface {
Accept(ctx Context, f File) bool
}
type Processor interface {
Process(ctx Context, f File) error
}
type Finalizer interface {
Finalize(ctx Context) error
}
type Plugin interface{}

102
types.go
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@ -1,102 +0,0 @@
/*
* 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 goldsmith
import (
"bytes"
"io"
)
type Goldsmith interface {
Chain(p Plugin) Goldsmith
End(dstDir string) []error
}
func Begin(srcDir string) Goldsmith {
gs := &goldsmith{srcDir: srcDir, refs: make(map[string]bool)}
gs.Chain(new(loader))
return gs
}
type File interface {
Path() string
Value(key string) (interface{}, bool)
SetValue(key string, value interface{})
CopyValues(src File)
Read(p []byte) (int, error)
WriteTo(w io.Writer) (int64, error)
Seek(offset int64, whence int) (int64, error)
}
func NewFileFromData(path string, data []byte) File {
return &file{
path: path,
Meta: make(map[string]interface{}),
reader: bytes.NewReader(data),
}
}
func NewFileFromAsset(path, asset string) File {
return &file{
path: path,
Meta: make(map[string]interface{}),
asset: asset,
}
}
type Context interface {
DispatchFile(f File)
ReferenceFile(path string)
SrcDir() string
DstDir() string
}
type Error struct {
Err error
Path string
}
func (e Error) Error() string {
return e.Err.Error()
}
type Initializer interface {
Initialize(ctx Context) error
}
type Accepter interface {
Accept(ctx Context, f File) bool
}
type Processor interface {
Process(ctx Context, f File) error
}
type Finalizer interface {
Finalize(ctx Context) error
}
type Plugin interface{}