package editor

import (
	"fmt"
	"strings"
)

// ----------------------------------------------------------------------------
// !buffer
// ----------------------------------------------------------------------------

type buffer struct {
	buf *strings.Builder
}

func newBuffer() *buffer {
	var buf strings.Builder

	b := new(buffer)
	b.buf = &buf

	return b
}

func (b *buffer) appendRune(r rune) int {
	size, _ := b.buf.WriteRune(r)

	return size
}

func (b *buffer) append(s string) int {
	size, _ := b.buf.WriteString(s)

	return size
}

func (b *buffer) appendLn(s string) int {
	str := fmt.Sprintf("%s\r\n", s)
	size, _ := b.buf.WriteString(str)

	return size
}

func (b *buffer) toString() string {
	return b.buf.String()
}