func ReadAndParse(filename string) (*Properties, *validate.Results, error) {
data, err := ioutil.ReadFile(filename)
if err != nil {
return nil, nil, fmt.Errorf("could not open/read file '%s': %s", filename, err.Error())
}
var v validate.Results
v.Resource = filename
var p Properties
p.file = filename
parse(data, &p, &v)
return &p, &v, nil
}
func parse(data []byte, props *Properties, validate *validate.Results) {
lines := splitLines(data)
props.props = make([]*Property, 0, lines.Len()/2)
props.ByKey = make(map[string]*Property)
ctx := context{
key: make([]byte, 0, 4096),
val: make([]byte, 0, 4096),
props: props,
validate: validate,
}
var res parseResult
for nr, iter := 1, lines.Front(); iter != nil; nr, iter = nr+1, iter.Next() {
line, ok := iter.Value.([]byte)
if !ok {
panic("internal error: not a byte-slice")
}
if res != PARTIAL_LINE {
if isEmptyOrComment(line) {
continue
}
ctx.lineNr = nr
res = ctx.readStart(line)
} else {
res = ctx.readContinue(line)
}
if res == KEY_VALUE {
ctx.finishKeyValue()
} else if res == ONLY_KEY {
msg := fmt.Sprintf("line contains only a key: '%s'", string(ctx.key))
validate.AddErrorN(msg, nr)
ctx.reset()
}
}
if !ctx.isEmpty() {
ctx.finishKeyValue()
}
}