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go-mtree/hierarchy.go
Stephen Chung 773763fb87 vis: refactored code to reflect using vis/unvis for file names
Added some more test cases for `vis`ing and `unvis`ing
strings, and a test case that walks/checks a directory with
filenames that require encoding. Had to change Path() to account
for possible errors Unvis() could return. Refactored Vis()/Unvis() into
go-mtree tar functionality as well.

Signed-off-by: Stephen Chung <schung@redhat.com>
2016-07-25 16:41:06 -04:00

27 lines
537 B
Go

package mtree
import (
"io"
"sort"
)
// DirectoryHierarchy is the mapped structure for an mtree directory hierarchy
// spec
type DirectoryHierarchy struct {
Entries []Entry
}
// WriteTo simplifies the output of the resulting hierarchy spec
func (dh DirectoryHierarchy) WriteTo(w io.Writer) (n int64, err error) {
sort.Sort(byPos(dh.Entries))
var sum int64
for _, e := range dh.Entries {
str := e.String()
i, err := io.WriteString(w, str+"\n")
if err != nil {
return sum, err
}
sum += int64(i)
}
return sum, nil
}