Files
learngo/logparser/v6/logly/parse/text.go
2019-10-30 19:41:13 +03:00

56 lines
1.1 KiB
Go

// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
// For more tutorials : https://learngoprogramming.com
// In-person training : https://www.linkedin.com/in/inancgumus/
// Follow me on twitter: https://twitter.com/inancgumus
package parse
import (
"bufio"
"io"
"github.com/inancgumus/learngo/logparser/v6/logly/record"
)
// TextParser parses text based log lines.
type TextParser struct {
in *bufio.Scanner
err error // last error
last *record.Record // last parsed record
}
// Text creates a text parser.
func Text(r io.Reader) *TextParser {
return &TextParser{
in: bufio.NewScanner(r),
last: new(record.Record),
}
}
// Parse the next line.
func (p *TextParser) Parse() bool {
if p.err != nil {
return false
}
if !p.in.Scan() {
return false
}
p.err = p.last.FromText(p.in.Bytes())
return true
}
// Value returns the most recent record parsed by a call to Parse.
func (p *TextParser) Value() record.Record {
return *p.last
}
// Err returns the first error that was encountered by the Log.
func (p *TextParser) Err() error {
return p.err
}