mdtoc/main.go

65 lines
986 B
Go

package main
// TODO: read a file line by line
import (
"fmt"
"log"
"os"
"path"
"strings"
)
type heading struct {
text string
level int
line int
}
func is_heading(line string) bool {
if strings.HasPrefix(line, "#") {
return true
} else {
return false
}
}
func get_heading_level(heading_text string) int {
level := 0
for i := 0; heading_text[i] == '#'; i++ {
level += 1
}
return level
}
func parse_file(file_name string) []heading {
file_content_raw, err := os.ReadFile(file_name)
var headings []heading
if err != nil {
log.Fatal(err)
}
file_lines := strings.Split(string(file_content_raw), "\n")
for index, value := range file_lines {
if is_heading(value) {
headings = append(
headings, heading{value, get_heading_level(value), (index + 1)})
}
}
return headings
}
func main() {
file_name := os.Args[1]
var headings []heading = nil
headings = parse_file(file_name)
fmt.Println(path.Base(file_name))
tree(-1, "", headings)
}