90 lines
1.7 KiB
Go
90 lines
1.7 KiB
Go
package conf
|
|
|
|
// FieldValue is a field=value pair in the configuration.
|
|
type FieldValue struct {
|
|
Field string
|
|
Value string
|
|
}
|
|
|
|
const (
|
|
currentName = iota
|
|
currentValue
|
|
currentComment
|
|
)
|
|
|
|
// Parse converts some bytes into various FieldValue pairs.
|
|
func Parse(data []byte) []FieldValue {
|
|
fvs := []FieldValue{}
|
|
var (
|
|
fieldName string
|
|
fieldValue string
|
|
nextNormal bool
|
|
current byte
|
|
)
|
|
|
|
for _, c := range data {
|
|
if current == currentComment && c != '\n' {
|
|
continue
|
|
}
|
|
if nextNormal {
|
|
switch current {
|
|
case currentName:
|
|
fieldName += string(c)
|
|
case currentValue:
|
|
fieldValue += string(c)
|
|
}
|
|
nextNormal = false
|
|
continue
|
|
}
|
|
switch c {
|
|
case '=':
|
|
switch current {
|
|
// if we are still at the name, let's switch to a value.
|
|
case currentName:
|
|
current = currentValue
|
|
// if we are already at the value, treat the = character like any other sign
|
|
case currentValue:
|
|
fieldValue += string(c)
|
|
}
|
|
case ';':
|
|
current = currentComment
|
|
case '\n':
|
|
if fieldName != "" && fieldValue != "" {
|
|
fvs = append(fvs, FieldValue{
|
|
Field: fieldName,
|
|
Value: removeTrailingCR(fieldValue),
|
|
})
|
|
}
|
|
fieldName = ""
|
|
fieldValue = ""
|
|
current = currentName
|
|
case '\\':
|
|
nextNormal = true
|
|
default:
|
|
switch current {
|
|
case currentName:
|
|
fieldName += string(c)
|
|
case currentValue:
|
|
fieldValue += string(c)
|
|
}
|
|
nextNormal = false
|
|
}
|
|
}
|
|
if fieldName != "" && fieldValue != "" {
|
|
fvs = append(fvs, FieldValue{
|
|
Field: fieldName,
|
|
Value: removeTrailingCR(fieldValue),
|
|
})
|
|
}
|
|
return fvs
|
|
}
|
|
func removeTrailingCR(s string) string {
|
|
if len(s) == 0 {
|
|
return s
|
|
}
|
|
if s[len(s)-1] == '\r' {
|
|
return s[:len(s)-1]
|
|
}
|
|
return s
|
|
}
|