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Merge pull request #1421 from goplus/main
v1.1.7
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| package fsx | ||
|
|
||
| import ( | ||
| "io/fs" | ||
| "os" | ||
| "path/filepath" | ||
| ) | ||
|
|
||
| // ----------------------------------------------------------------------------- | ||
|
|
||
| // FileSystem represents a file system. | ||
| type FileSystem interface { | ||
| ReadDir(dirname string) ([]fs.DirEntry, error) | ||
| ReadFile(filename string) ([]byte, error) | ||
| Join(elem ...string) string | ||
| } | ||
|
|
||
| // ----------------------------------------------------------------------------- | ||
|
|
||
| type localFS struct{} | ||
|
|
||
| func (p localFS) ReadDir(dirname string) ([]fs.DirEntry, error) { | ||
| return os.ReadDir(dirname) | ||
| } | ||
|
|
||
| func (p localFS) ReadFile(filename string) ([]byte, error) { | ||
| return os.ReadFile(filename) | ||
| } | ||
|
|
||
| func (p localFS) Join(elem ...string) string { | ||
| return filepath.Join(elem...) | ||
| } | ||
|
|
||
| var Local FileSystem = localFS{} | ||
|
|
||
| // ----------------------------------------------------------------------------- |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| /* | ||
| * Copyright (c) 2023 The GoPlus Authors (goplus.org). All rights reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package memfs | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "io" | ||
| "io/fs" | ||
| "os" | ||
| "path/filepath" | ||
| ) | ||
|
|
||
| type FileFS struct { | ||
| data []byte | ||
| info fs.DirEntry | ||
| } | ||
|
|
||
| type dirEntry struct { | ||
| fs.FileInfo | ||
| } | ||
|
|
||
| func (p *dirEntry) Type() fs.FileMode { | ||
| return p.FileInfo.Mode().Type() | ||
| } | ||
|
|
||
| func (p *dirEntry) Info() (fs.FileInfo, error) { | ||
| return p.FileInfo, nil | ||
| } | ||
|
|
||
| func File(filename string, src interface{}) (f *FileFS, err error) { | ||
| var data []byte | ||
| var info fs.DirEntry | ||
| if src != nil { | ||
| data, err = readSource(src) | ||
| if err != nil { | ||
| return | ||
| } | ||
| info = &memFileInfo{name: filename, size: len(data)} | ||
| } else { | ||
| fi, e := os.Stat(filename) | ||
| if e != nil { | ||
| return nil, e | ||
| } | ||
| data, err = os.ReadFile(filename) | ||
| if err != nil { | ||
| return | ||
| } | ||
| info = &dirEntry{fi} | ||
| } | ||
| return &FileFS{data: data, info: info}, nil | ||
| } | ||
|
|
||
| func (p *FileFS) ReadDir(dirname string) ([]fs.DirEntry, error) { | ||
| return []fs.DirEntry{p.info}, nil | ||
| } | ||
|
|
||
| func (p *FileFS) ReadFile(filename string) ([]byte, error) { | ||
| return p.data, nil | ||
| } | ||
|
|
||
| func (p *FileFS) Join(elem ...string) string { | ||
| return filepath.Join(elem...) | ||
| } | ||
|
|
||
| func readSource(src interface{}) ([]byte, error) { | ||
| switch s := src.(type) { | ||
| case string: | ||
| return []byte(s), nil | ||
| case []byte: | ||
| return s, nil | ||
| case *bytes.Buffer: | ||
| // is io.Reader, but src is already available in []byte form | ||
| if s != nil { | ||
| return s.Bytes(), nil | ||
| } | ||
| case io.Reader: | ||
| return io.ReadAll(s) | ||
| } | ||
| return nil, os.ErrInvalid | ||
| } |
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