brent saner
c9f3e7a639
ADDED: * stringsx: ** RunesInString ** RuneMapFromString ** SquashConsec ** SquashConsecRunes ** SquashConsecRunesAll ** SquashMap ** SquashWhitespace
53 lines
925 B
Go
53 lines
925 B
Go
package main
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import (
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"io/fs"
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"os"
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"path/filepath"
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"strings"
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"r00t2.io/sysutils/paths"
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)
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// Open opens file fnm.
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func (r *realFsMember) Open(fnm string) (fh fs.File, err error) {
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if fh, err = r.Root.Open(fnm); err != nil {
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return
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}
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return
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}
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// ReadDir returns directory entries at fpath joined with the realFsMember's root.
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func (r *realFsMember) ReadDir(fpath string) (entries []fs.DirEntry, err error) {
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var rel string
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var fsp string = fpath
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if !filepath.IsAbs(fsp) {
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fsp = filepath.Join(
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r.Root.Name(),
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filepath.FromSlash(fsp),
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)
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}
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if err = paths.RealPath(&fsp); err != nil {
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return
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}
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if rel, err = filepath.Rel(r.Root.Name(), fsp); err != nil {
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// Not relative to this root, so skip.
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err = nil
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return
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}
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if strings.HasPrefix(rel, "..") {
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// Absolute but not relative to this root, so skip.
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return
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}
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if entries, err = os.ReadDir(fsp); err != nil {
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return
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}
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return
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}
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