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|
//go:build aix || dragonfly || freebsd || (js && wasm) || nacl || linux || netbsd || openbsd || solaris
package userdirs
import (
"bufio"
"io"
"os"
"strings"
"github.com/adrg/xdg/internal/pathutil"
)
// ParseConfigFile parses the user directories config file at the
// specified location.
func ParseConfigFile(name string) (*Directories, error) {
f, err := os.Open(name)
if err != nil {
return nil, err
}
defer f.Close()
return ParseConfig(f)
}
// ParseConfig parses the user directories config file contained in
// the provided reader.
func ParseConfig(r io.Reader) (*Directories, error) {
dirs := &Directories{}
fieldsMap := map[string]*string{
EnvDesktopDir: &dirs.Desktop,
EnvDownloadDir: &dirs.Download,
EnvDocumentsDir: &dirs.Documents,
EnvMusicDir: &dirs.Music,
EnvPicturesDir: &dirs.Pictures,
EnvVideosDir: &dirs.Videos,
EnvTemplatesDir: &dirs.Templates,
EnvPublicShareDir: &dirs.PublicShare,
}
scanner := bufio.NewScanner(r)
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
if len(line) == 0 || line[0] == '#' {
continue
}
if !strings.HasPrefix(line, "XDG_") {
continue
}
parts := strings.Split(line, "=")
if len(parts) < 2 {
continue
}
// Parse key.
field, ok := fieldsMap[strings.TrimSpace(parts[0])]
if !ok {
continue
}
// Parse value.
runes := []rune(strings.TrimSpace(parts[1]))
lenRunes := len(runes)
if lenRunes <= 2 || runes[0] != '"' {
continue
}
for i := 1; i < lenRunes; i++ {
if runes[i] == '"' {
*field = pathutil.ExpandHome(string(runes[1:i]))
break
}
}
}
if err := scanner.Err(); err != nil {
return nil, err
}
return dirs, nil
}
|
