Publicize the raw io.Reader reading function

This commit is contained in:
Sasha Koshka 2022-11-26 21:37:26 -05:00
parent 863e415310
commit 3cfe8be7bb
1 changed files with 10 additions and 9 deletions

View File

@ -116,12 +116,7 @@ type Config struct {
// Load loads and parses the files /etc/xdg/<name>/<name>.conf and
// <home>/.config/<name>/<name>.conf, unless the corresponding XDG environment
// variables are set - then it uses those. Configuration files are divided into
// lines where each line may be blank, a comment, or a key-value pair. If the
// line is blank or begins with a # character, it is ignored. Else, the line
// must have a key and a value separated by a colon. Before they are processed,
// leading and trailing whitespace is trimmed from the key and the value. Keys
// are case sensitive.
// variables are set - then it uses those.
func (config *Config) Load (name string) (err error) {
if strings.ContainsAny(name, "/\\|:.%") {
err = ErrorIllegalName
@ -158,7 +153,7 @@ func (config *Config) Load (name string) (err error) {
file, fileErr := os.Open(path)
if fileErr != nil { continue }
parseErr := config.loadFile(file)
parseErr := config.LoadFrom(file)
defer file.Close()
if parseErr != nil {
@ -171,8 +166,14 @@ func (config *Config) Load (name string) (err error) {
return
}
func (config *Config) loadFile (file io.Reader) (err error) {
scanner := bufio.NewScanner(file)
// LoadFrom parses a configuration file from an io.Reader. Configuration files
// are divided into lines where each line may be blank, a comment, or a
// key-value pair. If the line is blank or begins with a # character, it is
// ignored. Else, the line must have a key and a value separated by a colon.
// Before they are processed, leading and trailing whitespace is trimmed from
// the key and the value. Keys are case sensitive.
func (config *Config) LoadFrom (reader io.Reader) (err error) {
scanner := bufio.NewScanner(reader)
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())