55 lines
819 B
Go
55 lines
819 B
Go
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package main
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import (
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"os"
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"bufio"
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"fmt"
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)
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type Buffer struct {
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contents []string
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filename string
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cursor Cursor
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dirty bool
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}
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func NewBuffer(filename string) (*Buffer, error) {
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buffer := &Buffer{
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contents: []string{""},
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filename: filename,
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cursor: Cursor{row: 0, col: 0},
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}
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err := buffer.Load()
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return buffer, err
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}
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func (buffer *Buffer) Load() error {
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if buffer.filename == "" {
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return nil
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}
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file, err := os.Open(buffer.filename)
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if err != nil {
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if os.IsNotExist(err) {
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return nil
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}
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return err
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}
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defer file.Close()
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buffer.contents = []string{}
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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line := scanner.Text()
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buffer.contents = append(buffer.contents, line)
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fmt.Printf("'%s'\n", line)
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}
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return nil
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}
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func (buffer *Buffer) Close() error {
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return nil
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}
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