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package main
import (
"bufio"
"errors"
"fmt"
"net/url"
"os"
"path/filepath"
"strings"
"syscall"
"github.com/BurntSushi/toml"
)
type ConfigMain struct {
DefaultScheme string `toml:"default_scheme"`
SoftWrap int `toml:"soft_wrap"`
DownloadFolder string `toml:"download_folder"`
VimKeys bool `toml:"vim_keys"`
Quiet bool `toml:"quiet"`
}
type Config struct {
ConfigMain `toml:"main"`
}
func getConfig() (*Config, error) {
home := os.Getenv("HOME")
path := os.Getenv("XDG_CONFIG_HOME")
if path == "" {
path = filepath.Join(home, ".config")
}
path = filepath.Join(path, "x-1", "config.toml")
if err := ensurePath(path); err != nil {
return nil, err
}
c := Config{
ConfigMain{
VimKeys: true,
DefaultScheme: "gemini",
SoftWrap: 80,
DownloadFolder: home,
Quiet: false,
},
}
if _, err := toml.DecodeFile(path, &c); err != nil {
return nil, err
}
if strings.HasPrefix(c.DownloadFolder, "~") {
c.DownloadFolder = home + c.DownloadFolder[1:]
}
return &c, nil
}
func getMarks() (map[string]string, error) {
path, err := marksFilePath()
if err != nil {
return nil, err
}
marks := make(map[string]string)
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer func() { _ = f.Close() }()
rdr := bufio.NewScanner(f)
for rdr.Scan() {
line := rdr.Text()
name, target, _ := strings.Cut(line, ":")
marks[name] = target
}
if err := rdr.Err(); err != nil {
return nil, err
}
return marks, nil
}
func saveMarks(marks map[string]string) error {
path, err := marksFilePath()
if err != nil {
return err
}
f, err := os.OpenFile(path, os.O_WRONLY|os.O_TRUNC, 0o600)
if err != nil {
return err
}
defer func() { _ = f.Close() }()
for name, target := range marks {
_, err := fmt.Fprintf(f, "%s:%s\n", name, target)
if err != nil {
return err
}
}
return nil
}
func marksFilePath() (string, error) {
return dataFilePath("marks")
}
func getTours() (map[string]*Tour, error) {
path, err := toursFilePath()
if err != nil {
return nil, err
}
tours := make(map[string]*Tour)
var current Tour
var currentName string
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer func() { _ = f.Close() }()
rdr := bufio.NewScanner(f)
for rdr.Scan() {
line := rdr.Text()
if strings.HasSuffix(line, ":") {
if currentName != "" {
tours[currentName] = ¤t
}
currentName = strings.TrimSuffix(line, ":")
current = Tour{}
} else {
u, err := url.Parse(line)
if err != nil {
return nil, err
}
current.Links = append(current.Links, u)
}
}
if err := rdr.Err(); err != nil {
return nil, err
}
if currentName != "" {
tours[currentName] = ¤t
}
return tours, nil
}
func saveTours(tours map[string]*Tour) error {
path, err := toursFilePath()
if err != nil {
return err
}
f, err := os.OpenFile(path, os.O_WRONLY|os.O_TRUNC, 0o600)
if err != nil {
return err
}
defer func() { _ = f.Close() }()
for name, tour := range tours {
if len(tour.Links) == 0 {
continue
}
if _, err := fmt.Fprintf(f, "%s:\n", name); err != nil {
return err
}
for _, link := range tour.Links {
if _, err := fmt.Fprintf(f, "%s\n", link.String()); err != nil {
return err
}
}
}
return nil
}
func toursFilePath() (string, error) {
return dataFilePath("tours")
}
func dataFilePath(filename string) (string, error) {
home := os.Getenv("HOME")
path := os.Getenv("XDG_DATA_HOME")
if path == "" {
path = filepath.Join(home, ".local", "share")
}
path = filepath.Join(path, "x-1", filename)
if err := ensurePath(path); err != nil {
return "", err
}
return path, nil
}
func ensurePath(fpath string) error {
if _, err := os.Stat(fpath); errors.Is(err, syscall.ENOENT) {
if err := os.MkdirAll(filepath.Dir(fpath), 0o700); err != nil {
return err
}
f, err := os.OpenFile(fpath, os.O_RDWR|os.O_CREATE, 0o600)
if err != nil {
return err
}
_ = f.Close()
}
return nil
}
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