// Parse SAML xml to Xp object with doc and xpath with relevant namespaces registered
func NewXp(xml []byte) *Xp {
x := new(Xp)
if len(xml) == 0 {
x.doc = C.xmlNewDoc((*C.xmlChar)(unsafe.Pointer(C.CString("1.0"))))
} else {
x.doc = C.xmlParseMemory((*C.char)(unsafe.Pointer(&xml[0])), C.int(len(xml)))
}
x.xpathCtx = C.xmlXPathNewContext(x.doc)
runtime.SetFinalizer(x, (*Xp).free)
for _, ns := range namespaces {
C.xmlXPathRegisterNs(x.xpathCtx, ns.prefix, ns.ns_uri)
}
return x
}
// xmlParseMemory
func ParseMemory(buffer []byte) *Document {
doc := C.xmlParseMemory((*C.char)(unsafe.Pointer(&buffer[0])), C.int(len(buffer)))
return makeDoc(doc)
}