youtubebeat/vendor/golang.org/x/text/encoding/example_test.go

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2018-11-18 15:32:28 +01:00
// Copyright 2013 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 encoding_test
import (
"fmt"
"io"
"os"
"strings"
"golang.org/x/text/encoding"
"golang.org/x/text/encoding/charmap"
"golang.org/x/text/encoding/unicode"
"golang.org/x/text/transform"
)
func ExampleDecodeWindows1252() {
sr := strings.NewReader("Gar\xe7on !")
tr := charmap.Windows1252.NewDecoder().Reader(sr)
io.Copy(os.Stdout, tr)
// Output: Garçon !
}
func ExampleUTF8Validator() {
for i := 0; i < 2; i++ {
var transformer transform.Transformer
transformer = unicode.UTF16(unicode.BigEndian, unicode.IgnoreBOM).NewEncoder()
if i == 1 {
transformer = transform.Chain(encoding.UTF8Validator, transformer)
}
dst := make([]byte, 256)
src := []byte("abc\xffxyz") // src is invalid UTF-8.
nDst, nSrc, err := transformer.Transform(dst, src, true)
fmt.Printf("i=%d: produced %q, consumed %q, error %v\n",
i, dst[:nDst], src[:nSrc], err)
}
// Output:
// i=0: produced "\x00a\x00b\x00c\xff\xfd\x00x\x00y\x00z", consumed "abc\xffxyz", error <nil>
// i=1: produced "\x00a\x00b\x00c", consumed "abc", error encoding: invalid UTF-8
}