Method Prepare

core/option.go:440–510

()

}

func (opt *Option) Prepare() error {
	var err error
	logs.Log.SetColor(true)

	// Validate finger engines
	if err = opt.ValidateFingerEngines(); err != nil {
		return err
	}

	err = opt.Validate()
	if err != nil {
		return err
	}

	// Load dynamic fingerprints from custom files/URLs
	err = opt.LoadDynamicFingers()
	if err != nil {
		return err
	}

	err = pkg.Load()
	if err != nil {
		return err
	}

	if opt.ExtractContext > 0 {
		pkg.ExtractContextSize = opt.ExtractContext
	}

	if opt.Extracts != nil {
		var knownNames []string
		for _, e := range opt.Extracts {
			if _, ok := pkg.ExtractRegexps[e]; ok {
				knownNames = append(knownNames, e)
			} else if pkg.IsProtonExtractor(e) {
				knownNames = append(knownNames, e)
			} else {
				pkg.AddCustomExtractor(e, e)
				knownNames = append(knownNames, e)
			}
		}
		pkg.EnableExtractors(knownNames)
	}
	if opt.ExtractConfig != "" {
		pkg.LoadProtonTemplatesFromDir(opt.ExtractConfig)
	}

	// 初始化全局变量
	baseline.Distance = uint8(opt.SimhashDistance)
	if opt.MaxBodyLength == -1 {
		ihttp.DefaultMaxBodySize = -1
	} else {
		ihttp.DefaultMaxBodySize = opt.MaxBodyLength * 1024
	}

	pkg.BlackStatus = pkg.ParseStatus(pkg.DefaultBlackStatus, opt.BlackStatus)
	pkg.WhiteStatus = pkg.ParseStatus(pkg.DefaultWhiteStatus, opt.WhiteStatus)
	if opt.FuzzyStatus == "all" {