Example #1
0
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
}
Example #2
0
// 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
}
Example #3
0
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
}