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