mirror of https://github.com/gohugoio/hugo
130 lines
2.9 KiB
Go
130 lines
2.9 KiB
Go
// Copyright 2018 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package hugofs
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import (
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"errors"
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"os"
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"time"
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"github.com/spf13/afero"
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)
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var (
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errNoOp = errors.New("this operation is not supported")
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_ afero.Fs = (*noOpFs)(nil)
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// NoOpFs provides a no-op filesystem that implements the afero.Fs
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// interface.
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NoOpFs = &noOpFs{}
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)
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type noOpFs struct{}
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func (fs noOpFs) Create(name string) (afero.File, error) {
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panic(errNoOp)
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}
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func (fs noOpFs) Mkdir(name string, perm os.FileMode) error {
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return nil
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}
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func (fs noOpFs) MkdirAll(path string, perm os.FileMode) error {
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return nil
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}
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func (fs noOpFs) Open(name string) (afero.File, error) {
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return nil, os.ErrNotExist
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}
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func (fs noOpFs) OpenFile(name string, flag int, perm os.FileMode) (afero.File, error) {
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return nil, os.ErrNotExist
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}
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func (fs noOpFs) Remove(name string) error {
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return nil
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}
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func (fs noOpFs) RemoveAll(path string) error {
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return nil
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}
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func (fs noOpFs) Rename(oldname string, newname string) error {
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panic(errNoOp)
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}
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func (fs noOpFs) Stat(name string) (os.FileInfo, error) {
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return nil, os.ErrNotExist
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}
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func (fs noOpFs) Name() string {
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return "noOpFs"
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}
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func (fs noOpFs) Chmod(name string, mode os.FileMode) error {
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panic(errNoOp)
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}
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func (fs noOpFs) Chtimes(name string, atime time.Time, mtime time.Time) error {
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panic(errNoOp)
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}
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func (fs *noOpFs) Chown(name string, uid int, gid int) error {
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panic(errNoOp)
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}
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// noOpRegularFileOps implements the non-directory operations of a afero.File
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// panicking for all operations.
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type noOpRegularFileOps struct{}
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func (f *noOpRegularFileOps) Read(p []byte) (n int, err error) {
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panic(errNoOp)
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}
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func (f *noOpRegularFileOps) ReadAt(p []byte, off int64) (n int, err error) {
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panic(errNoOp)
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}
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func (f *noOpRegularFileOps) Seek(offset int64, whence int) (int64, error) {
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panic(errNoOp)
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}
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func (f *noOpRegularFileOps) Write(p []byte) (n int, err error) {
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panic(errNoOp)
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}
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func (f *noOpRegularFileOps) WriteAt(p []byte, off int64) (n int, err error) {
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panic(errNoOp)
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}
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func (f *noOpRegularFileOps) Readdir(count int) ([]os.FileInfo, error) {
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panic(errNoOp)
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}
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func (f *noOpRegularFileOps) Readdirnames(n int) ([]string, error) {
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panic(errNoOp)
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}
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func (f *noOpRegularFileOps) Sync() error {
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panic(errNoOp)
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}
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func (f *noOpRegularFileOps) Truncate(size int64) error {
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panic(errNoOp)
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}
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func (f *noOpRegularFileOps) WriteString(s string) (ret int, err error) {
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panic(errNoOp)
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}
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