65 lines
1.1 KiB
Go
65 lines
1.1 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package uiserver
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import (
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"bytes"
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"io/fs"
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"os"
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"time"
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)
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// bufferedFile implements fs.File and allows us to modify a file from disk by
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// writing out the new version into a buffer and then serving file reads from
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// that.
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type bufferedFile struct {
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buf *bytes.Buffer
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info fs.FileInfo
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}
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var _ fs.FileInfo = (*bufferedFile)(nil)
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func newBufferedFile(buf *bytes.Buffer, info fs.FileInfo) *bufferedFile {
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return &bufferedFile{
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buf: buf,
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info: info,
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}
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}
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func (b *bufferedFile) Stat() (fs.FileInfo, error) {
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return b, nil
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}
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func (b *bufferedFile) Read(bytes []byte) (int, error) {
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return b.buf.Read(bytes)
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}
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func (b *bufferedFile) Close() error {
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return nil
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}
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func (b *bufferedFile) Name() string {
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return b.info.Name()
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}
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func (b *bufferedFile) Size() int64 {
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return int64(b.buf.Len())
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}
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func (b *bufferedFile) Mode() os.FileMode {
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return b.info.Mode()
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}
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func (b *bufferedFile) ModTime() time.Time {
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return b.info.ModTime()
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}
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func (b *bufferedFile) IsDir() bool {
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return false
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}
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func (b *bufferedFile) Sys() any {
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return nil
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}
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