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dir.go
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dir.go
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// Package pydio contains all objects needed by the Pydio system
/*
* Copyright 2007-2016 Abstrium <contact (at) pydio.com>
* This file is part of Pydio.
*
* Pydio is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com/>.
*/
package pydio
import (
"encoding/json"
"fmt"
"path"
pydiopath "github.com/pydio/pydio-booster/encoding/path"
"github.com/pydio/pydio-booster/encoding/query"
)
// Dir format definition
type Dir struct {
ParentDir *Dir `path:",first:last-1"`
DirName string `path:",last-1:last" query:"dir,"`
}
// NewDir based on array of strings
func NewDir(dirs ...string) *Dir {
var str string
new := Dir{}
for _, dir := range dirs {
str = path.Join(str, dir)
}
b := []byte(str)
if err := pydiopath.Unmarshal(b, &new); err == nil {
return &new
}
return nil
}
// Read the node by encoding to its json representation
func (d *Dir) Read(p []byte) (int, error) {
data, err := json.Marshal(d)
numBytes := copy(p, data)
return numBytes, err
}
type dir Dir
// UnmarshalPath implementation
func (d *Dir) UnmarshalPath(b []byte) (err error) {
new := dir{}
if err = pydiopath.Unmarshal(b, &new); err == nil {
if new.ParentDir != nil && new.ParentDir.DirName == "" {
new.ParentDir = nil
}
if new.ParentDir != nil && new.DirName == "" {
*d = *new.ParentDir
} else {
*d = Dir(new)
}
}
return
}
// UnmarshalQuery implementation
func (d *Dir) UnmarshalQuery(b []byte) (err error) {
new := dir{}
if err = query.Unmarshal(b, &new); err == nil {
*d = *NewDir(new.DirName)
return
}
*d = *NewDir(string(b))
err = nil
return
}
// String value of the structure Dir
func (d *Dir) String() string {
if d == nil {
return ""
}
if d.ParentDir != nil {
return fmt.Sprintf("%s/%s", d.ParentDir, d.DirName)
}
return fmt.Sprintf("/%s", d.DirName)
}