func New(opts ...config.Option) (core.Identifier, error) {
for _, v := range opts {
v()
}
loc, err := newLOC(config.LOC())
if err != nil {
return nil, err
}
// set updated
updated := loc.(fdds).Updated().Format(dateFmt)
// add extensions
for _, v := range config.Extend() {
e, err := newLOC(v)
if err != nil {
return nil, fmt.Errorf("LOC: error loading extension file %s; got %s", v, err)
}
loc = identifier.Join(loc, e)
}
// apply config
loc = identifier.ApplyConfig(loc)
// return identifier
return &Identifier{
infos: infos(loc.Infos()),
Base: identifier.New(loc, config.ZipLOC(), updated),
}, nil
}
// set identifiers joins signatures in the DROID signature file with any extra reports and adds that to the pronom object
func (p *pronom) setParseables() error {
d, err := newDroid(config.Droid())
if err != nil {
return fmt.Errorf("Pronom: error loading Droid file; got %s\nYou must have a Droid file to build a signature", err)
}
// if noreports set
if config.Reports() == "" {
p.Parseable = d
} else { // otherwise build from reports
// get list of puids that applies limit or exclude filters (actual filtering of Parseable delegated to core/identifier)
puids := d.IDs()
if config.HasLimit() {
puids = config.Limit(puids)
} else if config.HasExclude() {
puids = config.Exclude(puids)
}
r, err := newReports(puids, d.idsPuids())
if err != nil {
return fmt.Errorf("Pronom: error loading reports; got %s\nYou must download PRONOM reports to build a signature (unless you use the -noreports flag). You can use `roy harvest` to download reports", err)
}
p.Parseable = r
}
// add extensions
for _, v := range config.Extend() {
e, err := newDroid(v)
if err != nil {
return fmt.Errorf("Pronom: error loading extension file; got %s", err)
}
p.Parseable = identifier.Join(p.Parseable, e)
}
// exclude byte signatures where also have container signatures, unless doubleup set
if !config.DoubleUp() {
p.Parseable = doublesFilter{
config.ExcludeDoubles(p.IDs(), p.c.IDs()),
p.Parseable,
}
}
return nil
}
func New(opts ...config.Option) (core.Identifier, error) {
for _, v := range opts {
v()
}
mi, err := newMIMEInfo(config.MIMEInfo())
if err != nil {
return nil, err
}
// add extensions
for _, v := range config.Extend() {
e, err := newMIMEInfo(v)
if err != nil {
return nil, fmt.Errorf("MIMEinfo: error loading extension file %s; got %s", v, err)
}
mi = identifier.Join(mi, e)
}
// apply config
mi = identifier.ApplyConfig(mi)
// return identifier
return &Identifier{
infos: infos(mi.Infos()),
Base: identifier.New(mi, config.ZipMIME()),
}, nil
}