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