// Pronom creates a pronom object
func NewPronom() (identifier.Parseable, error) {
p := &pronom{
c: identifier.Blank{},
}
// apply no container rule
if !config.NoContainer() {
if err := p.setContainers(); err != nil {
return nil, fmt.Errorf("Pronom: error loading containers; got %s\nUnless you have set `-nocontainer` you need to download a container signature file", err)
}
}
if err := p.setParseables(); err != nil {
return nil, err
}
return identifier.ApplyConfig(p), nil
}
func ApplyConfig(p Parseable) Parseable {
if config.NoName() {
p = noName{p}
}
if config.NoMIME() {
p = noMIME{p}
}
if config.NoXML() {
p = noXML{p}
}
if config.NoContainer() {
p = noContainers{p}
}
if config.NoRIFF() {
p = noRIFF{p}
}
if config.NoText() {
p = noText{p}
}
if config.NoPriority() {
p = noPriority{p}
}
// mirror PREV wild segments into EOF if maxBof and maxEOF set
if config.MaxBOF() > 0 && config.MaxEOF() > 0 {
p = Mirror{p}
}
if config.HasLimit() || config.HasExclude() {
ids := p.IDs()
if config.HasLimit() {
ids = config.Limit(ids)
} else {
ids = config.Exclude(ids)
}
p = Filter(ids, p)
}
return p
}