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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package scanner_test
import (
"fmt"
)
import (
"gopkg.in/gcfg.v1/scanner"
"gopkg.in/gcfg.v1/token"
)
func ExampleScanner_Scan() {
// src is the input that we want to tokenize.
src := []byte(`[profile "A"]
color = blue ; Comment`)
// Initialize the scanner.
var s scanner.Scanner
fset := token.NewFileSet() // positions are relative to fset
file := fset.AddFile("", fset.Base(), len(src)) // register input "file"
s.Init(file, src, nil /* no error handler */, scanner.ScanComments)
// Repeated calls to Scan yield the token sequence found in the input.
for {
pos, tok, lit := s.Scan()
if tok == token.EOF {
break
}
fmt.Printf("%s\t%q\t%q\n", fset.Position(pos), tok, lit)
}
// output:
// 1:1 "[" ""
// 1:2 "IDENT" "profile"
// 1:10 "STRING" "\"A\""
// 1:13 "]" ""
// 1:14 "\n" ""
// 2:1 "IDENT" "color"
// 2:7 "=" ""
// 2:9 "STRING" "blue"
// 2:14 "COMMENT" "; Comment"
}
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