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package hotline
import (
"encoding/binary"
"io/ioutil"
"os"
"path/filepath"
"strings"
)
const defaultCreator = "TTXT"
const defaultType = "TEXT"
var fileCreatorCodes = map[string]string{
"sit": "SIT!",
"pdf": "CARO",
}
var fileTypeCodes = map[string]string{
"sit": "SIT!",
"jpg": "JPEG",
"pdf": "PDF ",
}
func fileTypeFromFilename(fn string) string {
ext := strings.Split(fn, ".")
code := fileTypeCodes[ext[len(ext)-1]]
if code == "" {
code = defaultType
}
return code
}
func fileCreatorFromFilename(fn string) string {
ext := strings.Split(fn, ".")
code := fileCreatorCodes[ext[len(ext)-1]]
if code == "" {
code = defaultCreator
}
return code
}
func getFileNameList(filePath string) ([]Field, error) {
var fields []Field
files, err := ioutil.ReadDir(filePath)
if err != nil {
return fields, nil
}
for _, file := range files {
var fileType string
var fileCreator []byte
var fileSize uint32
if !file.IsDir() {
fileType = fileTypeFromFilename(file.Name())
fileCreator = []byte(fileCreatorFromFilename(file.Name()))
fileSize = uint32(file.Size())
} else {
fileType = "fldr"
fileCreator = make([]byte, 4)
dir, err := ioutil.ReadDir(filePath + "/" + file.Name())
if err != nil {
return fields, err
}
fileSize = uint32(len(dir))
}
fields = append(fields, NewField(
fieldFileNameWithInfo,
FileNameWithInfo{
Type: fileType,
Creator: fileCreator,
FileSize: fileSize,
NameScript: []byte{0, 0},
Name: file.Name(),
}.Payload(),
))
}
return fields, nil
}
func CalcTotalSize(filePath string) ([]byte, error) {
var totalSize uint32
err := filepath.Walk(filePath, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
return nil
}
totalSize += uint32(info.Size())
return nil
})
if err != nil {
return nil, err
}
bs := make([]byte, 4)
binary.BigEndian.PutUint32(bs, totalSize)
return bs, nil
}
func CalcItemCount(filePath string) ([]byte, error) {
var itemcount uint16
err := filepath.Walk(filePath, func(path string, info os.FileInfo, err error) error {
itemcount += 1
if err != nil {
return err
}
return nil
})
if err != nil {
return nil, err
}
bs := make([]byte, 2)
binary.BigEndian.PutUint16(bs, itemcount-1)
return bs, nil
}
func EncodeFilePath(filePath string) []byte {
pathSections := strings.Split(filePath, "/")
pathItemCount := make([]byte, 2)
binary.BigEndian.PutUint16(pathItemCount, uint16(len(pathSections)))
bytes := pathItemCount
for _, section := range pathSections {
bytes = append(bytes, []byte{0, 0}...)
pathStr := []byte(section)
bytes = append(bytes, byte(len(pathStr)))
bytes = append(bytes, pathStr...)
}
return bytes
}
func ReadFilePath(filePathFieldData []byte) string {
fp := NewFilePath(filePathFieldData)
return fp.String()
}
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