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123 lines
2.3 KiB
123 lines
2.3 KiB
package rice
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import (
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"os"
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"path/filepath"
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"sort"
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"strings"
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)
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// Walk is like filepath.Walk()
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// Visit http://golang.org/pkg/path/filepath/#Walk for more information
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func (b *Box) Walk(path string, walkFn filepath.WalkFunc) error {
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pathFile, err := b.Open(path)
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if err != nil {
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return err
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}
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defer pathFile.Close()
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pathInfo, err := pathFile.Stat()
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if err != nil {
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return err
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}
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if b.IsAppended() || b.IsEmbedded() {
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return b.walk(path, pathInfo, walkFn)
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}
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// We don't have any embedded or appended box so use live filesystem mode
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return filepath.Walk(filepath.Join(b.absolutePath, path), func(path string, info os.FileInfo, err error) error {
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// Strip out the box name from the returned paths
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path = strings.TrimPrefix(path, b.absolutePath+string(os.PathSeparator))
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return walkFn(path, info, err)
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})
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}
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// walk recursively descends path.
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// See walk() in $GOROOT/src/pkg/path/filepath/path.go
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func (b *Box) walk(path string, info os.FileInfo, walkFn filepath.WalkFunc) error {
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err := walkFn(path, info, nil)
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if err != nil {
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if info.IsDir() && err == filepath.SkipDir {
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return nil
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}
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return err
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}
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if !info.IsDir() {
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return nil
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}
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names, err := b.readDirNames(path)
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if err != nil {
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return walkFn(path, info, err)
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}
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for _, name := range names {
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filename := filepath.ToSlash(filepath.Join(path, name))
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fileObject, err := b.Open(filename)
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if err != nil {
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return err
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}
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defer fileObject.Close()
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fileInfo, err := fileObject.Stat()
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if err != nil {
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if err := walkFn(filename, fileInfo, err); err != nil && err != filepath.SkipDir {
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return err
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}
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} else {
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err = b.walk(filename, fileInfo, walkFn)
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if err != nil {
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if !fileInfo.IsDir() || err != filepath.SkipDir {
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return err
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}
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}
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}
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}
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return nil
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}
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// readDirNames reads the directory named by path and returns a sorted list of directory entries.
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// See readDirNames() in $GOROOT/pkg/path/filepath/path.go
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func (b *Box) readDirNames(path string) ([]string, error) {
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f, err := b.Open(path)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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stat, err := f.Stat()
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if err != nil {
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return nil, err
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}
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if !stat.IsDir() {
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return nil, nil
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}
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infos, err := f.Readdir(0)
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if err != nil {
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return nil, err
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}
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var names []string
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for _, info := range infos {
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names = append(names, info.Name())
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}
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sort.Strings(names)
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return names, nil
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}
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