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package analyze
import (
"encoding/json"
"io"
"strconv"
)
// EncodeJSON writes JSON representation of dir
func (f *Dir) EncodeJSON(writer io.Writer, topLevel bool) error {
buff := make([]byte, 0, 20)
buff = append(buff, []byte(`[{"name":`)...)
if topLevel {
if err := addString(&buff, f.GetPath()); err != nil {
return err
}
} else {
if err := addString(&buff, f.GetName()); err != nil {
return err
}
}
if !f.GetMtime().IsZero() {
buff = append(buff, []byte(`,"mtime":`)...)
buff = append(buff, []byte(strconv.FormatInt(f.GetMtime().Unix(), 10))...)
}
buff = append(buff, '}')
if f.Files.Len() > 0 {
buff = append(buff, ',')
}
buff = append(buff, '\n')
if _, err := writer.Write(buff); err != nil {
return err
}
for i, item := range f.Files {
if i > 0 {
if _, err := writer.Write([]byte(",\n")); err != nil {
return err
}
}
err := item.EncodeJSON(writer, false)
if err != nil {
return err
}
}
if _, err := writer.Write([]byte("]")); err != nil {
return err
}
return nil
}
// EncodeJSON writes JSON representation of file
func (f *File) EncodeJSON(writer io.Writer, topLevel bool) error {
buff := make([]byte, 0, 20)
buff = append(buff, []byte(`{"name":`)...)
if err := addString(&buff, f.GetName()); err != nil {
return err
}
if f.GetSize() > 0 {
buff = append(buff, []byte(`,"asize":`)...)
buff = append(buff, []byte(strconv.FormatInt(f.GetSize(), 10))...)
}
if f.GetUsage() > 0 {
buff = append(buff, []byte(`,"dsize":`)...)
buff = append(buff, []byte(strconv.FormatInt(f.GetUsage(), 10))...)
}
if !f.GetMtime().IsZero() {
buff = append(buff, []byte(`,"mtime":`)...)
buff = append(buff, []byte(strconv.FormatInt(f.GetMtime().Unix(), 10))...)
}
if f.Flag == '@' {
buff = append(buff, []byte(`,"notreg":true`)...)
}
if f.Flag == 'H' {
buff = append(buff, []byte(`,"ino":`+strconv.FormatUint(f.Mli, 10)+`,"hlnkc":true`)...)
}
buff = append(buff, '}')
if _, err := writer.Write(buff); err != nil {
return err
}
return nil
}
func addString(buff *[]byte, val string) error {
b, err := json.Marshal(val)
if err != nil {
return err
}
*buff = append(*buff, b...)
return err
}
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