// add adds extension, bytematcher or containermatcher signatures to the identifier
func (p *pronom) add(m core.Matcher, t core.MatcherType) error {
switch t {
default:
return fmt.Errorf("Pronom: unknown matcher type %d", t)
case core.ExtensionMatcher:
if !config.NoExt() {
var exts [][]string
exts, p.ePuids = p.j.Globs()
l, err := m.Add(stringmatcher.SignatureSet(exts), nil)
if err != nil {
return err
}
p.eStart = l - len(p.ePuids)
return nil
}
case core.MIMEMatcher:
if !config.NoMIME() {
var mimes [][]string
mimes, p.mPuids = p.j.MIMEs()
l, err := m.Add(stringmatcher.SignatureSet(mimes), nil)
if err != nil {
return err
}
p.mStart = l - len(p.mPuids)
return nil
}
case core.ContainerMatcher:
return p.contMatcher(m)
case core.ByteMatcher:
var sigs []frames.Signature
var err error
sigs, p.bPuids, err = p.j.Signatures()
if err != nil {
return err
}
var plist priority.List
if !config.NoPriority() {
plist = p.pm.List(p.bPuids)
}
l, err := m.Add(bytematcher.SignatureSet(sigs), plist)
if err != nil {
return err
}
p.bStart = l - len(p.bPuids)
case core.TextMatcher:
if !config.NoText() && p.hasPuid(config.TextPuid()) {
l, _ := m.Add(textmatcher.SignatureSet{}, nil)
p.tStart = l
}
}
return nil
}
// add adds extension, bytematcher or containermatcher signatures to the identifier
func (p *pronom) add(m core.Matcher) error {
switch t := m.(type) {
default:
return fmt.Errorf("Pronom: unknown matcher type %T", t)
case extensionmatcher.Matcher:
if !config.NoExt() {
var exts [][]string
exts, p.ePuids = p.j.extensions()
l, err := m.Add(extensionmatcher.SignatureSet(exts), nil)
if err != nil {
return err
}
p.eStart = l - len(p.ePuids)
return nil
}
case containermatcher.Matcher:
return p.contMatcher(m)
case *bytematcher.Matcher:
var sigs []frames.Signature
var err error
sigs, p.bPuids, err = p.j.signatures()
if err != nil {
return err
}
var plist priority.List
if !config.NoPriority() {
plist = p.pm.List(p.bPuids)
}
l, err := m.Add(bytematcher.SignatureSet(sigs), plist)
if err != nil {
return err
}
p.bStart = l - len(p.bPuids)
case *textmatcher.Matcher:
if !config.NoText() && p.hasPuid(config.TextPuid()) {
l, _ := m.Add(textmatcher.SignatureSet{}, nil)
p.tStart = l
}
}
return nil
}