piframe-go/vendor/github.com/gdamore/encoding/ascii.go

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2020-08-28 19:19:36 +00:00
// Copyright 2015 Garrett D'Amore
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use file except in compliance with the License.
// You may obtain a copy of the license at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package encoding
import (
"golang.org/x/text/encoding"
)
// ASCII represents the 7-bit US-ASCII scheme. It decodes directly to
// UTF-8 without change, as all ASCII values are legal UTF-8.
// Unicode values less than 128 (i.e. 7 bits) map 1:1 with ASCII.
// It encodes runes outside of that to 0x1A, the ASCII substitution character.
var ASCII encoding.Encoding
func init() {
amap := make(map[byte]rune)
for i := 128; i <= 255; i++ {
amap[byte(i)] = RuneError
}
cm := &Charmap{Map: amap}
cm.Init()
ASCII = cm
}