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49 lines
948 B
Go
49 lines
948 B
Go
package finder
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import (
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"git.noahlan.cn/noahlan/ntool/nstr"
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"io/fs"
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)
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// Elem of find file/dir path result
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type Elem interface {
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fs.DirEntry
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// Path get file/dir path. eg: "/path/to/file.go"
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Path() string
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// Info get file info. like fs.DirEntry.Info(), but will cache result.
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Info() (fs.FileInfo, error)
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}
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type elem struct {
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fs.DirEntry
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path string
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stat fs.FileInfo
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sErr error
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}
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// NewElem create a new Elem instance
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func NewElem(fPath string, ent fs.DirEntry) Elem {
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return &elem{
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path: fPath,
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DirEntry: ent,
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}
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}
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// Path get full file/dir path. eg: "/path/to/file.go"
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func (e *elem) Path() string {
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return e.path
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}
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// Info get file info, will cache result
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func (e *elem) Info() (fs.FileInfo, error) {
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if e.stat == nil {
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e.stat, e.sErr = e.DirEntry.Info()
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}
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return e.stat, e.sErr
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}
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// String get string representation
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func (e *elem) String() string {
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return nstr.OrCond(e.IsDir(), "dir: ", "file: ") + e.Path()
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}
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