Function NewFile

internal/core/file.go:52–144

NewFile initializes a File.

(src string, config *Config)

// NewFile initializes a File.
func NewFile(src string, config *Config) (*File, error) {
	var format, ext string
	var fbytes []byte
	var lookup bool
	path := src

	if system.FileExists(src) {
		fbytes, _ = os.ReadFile(src)
		if config.Flags.InExt != ".txt" {
			ext, format = FormatFromExt(config.Flags.InExt, config.Formats)
		} else {
			ext, format = FormatFromExt(src, config.Formats)
		}
	} else {
		fbytes = []byte(src)
		lookup = true
		// For stdin, allow an explicit path override to drive path-based config.
		if config.Flags.InPath != "" {
			path = config.Flags.InPath
		} else {
			path = "stdin" + config.Flags.InExt
		}
		// If --ext was explicitly set, respect it; otherwise infer from the path.
		if config.Flags.InExt != ".txt" {
			ext, format = FormatFromExt(config.Flags.InExt, config.Formats)
		} else {
			ext, format = FormatFromExt(path, config.Formats)
		}
	}

	filepaths := []string{path}
	normed := system.ReplaceFileExt(path, config.Formats)

	baseStyles := config.GBaseStyles
	checks := make(map[string]bool)

	for _, fp := range filepaths {
		for _, sec := range config.StyleKeys {
			if pat, found := config.SecToPat[sec]; found && pat.Match(fp) {
				baseStyles = config.SBaseStyles[sec]
			}
		}

		for _, sec := range config.RuleKeys {
			if pat, found := config.SecToPat[sec]; found && pat.Match(fp) {
				for k, v := range config.SChecks[sec] {
					checks[k] = v
				}
			}
		}
	}

	lang := "en"
	for syntax, code := range config.FormatToLang {
		sec, err := glob.Compile(syntax)
		if err != nil {
			return &File{}, err
		} else if sec.Match(path) {