/* See LICENSE file for copyright and license details. */

package main

import (
	"bufio"
	"fmt"
	"io"
	"os"

	"github.com/Shugyousha/unxml"
)

func main() {
	var unxmlreader *bufio.Reader

	f, err := os.Open(os.Args[1])
	if err != nil {
		fmt.Fprintf(os.Stderr, "Error when opening file: %s\n", err)
	}

	//unxmlreader = unxml.NewReaderKeepTags(f, make([]string, 0))
	//lineno := 0

	//bbuffer := make([]byte, 100)
	//for {

	//	n, err = unxmlreader.Read(bbuffer)
	//	if err != nil {
	//		if err == io.EOF || n == 0 {
	//			break
	//		}
	//		fmt.Printf("Error while reading file at line nr. %d: %v\n", lineno, err)
	//		break
	//	}

	//	lineno++
	//	//fmt.Printf("Buffer nbr. %d: %s\n", lineno, bbuffer[:n])
	//	fmt.Printf("%s", bbuffer[:n])
	//}
	//fmt.Printf("%s", bbuffer[:n])

	//f.Close()
	//f, err = os.Open(os.Args[1])
	//if err != nil {
	//	fmt.Fprintf(os.Stderr, "Error when opening file for the second time: %s\n", err)
	//}

	//unxmlreader = unxml.NewReaderKeepElements(f, make([]string, 0))
	unxmlreader = bufio.NewReaderSize(unxml.NewReaderKeepElements(f, []string{"div", "p"}), 4096)
	lineno := 0

	//bbuffer := make([]byte, 4096)
	//bbuffer := make([]byte, 100)
	for {

			s, err := unxmlreader.ReadString(byte('\n'))
		if err != nil {
			if err == io.EOF {
				fmt.Printf("%s", s)
				break
			}
			fmt.Printf("Error while reading file at line nr. %d: %v\n", lineno, err)
			break
		}

		lineno++
		//fmt.Printf("Buffer nbr. %d: %s\n", lineno, bbuffer[:n])
		fmt.Printf("%s", s)
	}
}