githaven-fork/modules/git/tree_entry.go
2014-09-22 10:43:16 +08:00

114 lines
1.9 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package git
import (
"sort"
"strings"
"github.com/Unknwon/com"
)
type EntryMode int
// There are only a few file modes in Git. They look like unix file modes, but they can only be
// one of these.
const (
ModeBlob EntryMode = 0100644
ModeExec EntryMode = 0100755
ModeSymlink EntryMode = 0120000
ModeCommit EntryMode = 0160000
ModeTree EntryMode = 0040000
)
type TreeEntry struct {
Id sha1
Type ObjectType
mode EntryMode
name string
ptree *Tree
commited bool
size int64
sized bool
}
func (te *TreeEntry) Name() string {
return te.name
}
func (te *TreeEntry) Size() int64 {
if te.IsDir() {
return 0
}
if te.sized {
return te.size
}
stdout, _, err := com.ExecCmdDir(te.ptree.repo.Path, "git", "cat-file", "-s", te.Id.String())
if err != nil {
return 0
}
te.sized = true
te.size = com.StrTo(strings.TrimSpace(stdout)).MustInt64()
return te.size
}
func (te *TreeEntry) IsSubModule() bool {
return te.mode == ModeCommit
}
func (te *TreeEntry) IsDir() bool {
return te.mode == ModeTree
}
func (te *TreeEntry) EntryMode() EntryMode {
return te.mode
}
func (te *TreeEntry) Blob() *Blob {
return &Blob{
repo: te.ptree.repo,
TreeEntry: te,
}
}
type Entries []*TreeEntry
var sorter = []func(t1, t2 *TreeEntry) bool{
func(t1, t2 *TreeEntry) bool {
return t1.IsDir() && !t2.IsDir()
},
func(t1, t2 *TreeEntry) bool {
return t1.name < t2.name
},
}
func (bs Entries) Len() int { return len(bs) }
func (bs Entries) Swap(i, j int) { bs[i], bs[j] = bs[j], bs[i] }
func (bs Entries) Less(i, j int) bool {
t1, t2 := bs[i], bs[j]
var k int
for k = 0; k < len(sorter)-1; k++ {
sort := sorter[k]
switch {
case sort(t1, t2):
return true
case sort(t2, t1):
return false
}
}
return sorter[k](t1, t2)
}
func (bs Entries) Sort() {
sort.Sort(bs)
}