// ShouldStrip evaluates the strip-space, preserve-space, and xml:space rules
// and returns true if a node is a whitespace-only text node that should
// be stripped.
func (context *ExecutionContext) ShouldStrip(xmlNode xml.Node) bool {
if xmlNode.NodeType() != xml.XML_TEXT_NODE {
return false
}
if !IsBlank(xmlNode) {
return false
}
//do we have a match in strip-space?
elem := xmlNode.Parent().Name()
ns := xmlNode.Parent().Namespace()
for _, pat := range context.Style.StripSpace {
if pat == elem {
return true
}
if pat == "*" {
return true
}
if strings.Contains(pat, ":") {
uri, name := context.ResolveQName(pat)
if uri == ns {
if name == elem || name == "*" {
return true
}
}
}
}
//do we have a match in preserve-space?
//resolve conflicts by priority (QName, ns:*, *)
//return a value
return false
}