mirror of
https://salsa.debian.org/mdosch/feed-to-muc.git
synced 2024-11-13 01:36:49 +01:00
23 lines
540 B
Go
23 lines
540 B
Go
package shared
|
|
|
|
import (
|
|
"io"
|
|
|
|
"golang.org/x/text/transform"
|
|
)
|
|
|
|
// NewXMLSanitizerReader creates an io.Reader that
|
|
// wraps another io.Reader and removes illegal xml
|
|
// characters from the io stream.
|
|
func NewXMLSanitizerReader(xml io.Reader) io.Reader {
|
|
isIllegal := func(r rune) bool {
|
|
return !(r == 0x09 ||
|
|
r == 0x0A ||
|
|
r == 0x0D ||
|
|
r >= 0x20 && r <= 0xDF77 ||
|
|
r >= 0xE000 && r <= 0xFFFD ||
|
|
r >= 0x10000 && r <= 0x10FFFF)
|
|
}
|
|
t := transform.Chain(transform.RemoveFunc(isIllegal))
|
|
return transform.NewReader(xml, t)
|
|
}
|