convert_options.go

// SPDX-FileCopyrightText: 2021 Shulhan <ms@kilabit.info>
// SPDX-License-Identifier: GPL-3.0-or-later

package ciigo

import (
	"fmt"
	"regexp"
	"strings"
)

const (
	// DefaultRoot define default Root value for ConvertOptions.
	DefaultRoot = `.`
)

// ConvertOptions define the options to use on Convert function.
type ConvertOptions struct {
	// Root directory where its content will be embedded into Go source
	// code.
	// Default to DefaultRoot if its empty.
	Root string

	// Exclude define regular expresion to exclude certain paths from
	// being scanned.
	Exclude []string

	// HTMLTemplate the HTML template to be used when converting markup
	// file into HTML.
	// If empty it will default to use embedded HTML template.
	// See template_index_html.go for template format.
	HTMLTemplate string

	excRE []*regexp.Regexp
}

func (opts *ConvertOptions) init() (err error) {
	var (
		logp = `ConvertOptions.init`
	)

	if len(opts.Root) == 0 {
		opts.Root = DefaultRoot
	}
	for _, str := range opts.Exclude {
		str = strings.TrimSpace(str)
		if len(str) == 0 {
			continue
		}

		var re *regexp.Regexp
		re, err = regexp.Compile(str)
		if err != nil {
			return fmt.Errorf(`%s: %w`, logp, err)
		}

		opts.excRE = append(opts.excRE, re)
		defExcludes = append(defExcludes, str)
	}
	return nil
}