You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
1014 B
37 lines
1014 B
// Copyright 2020 Justine Alexandra Roberts Tunney
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this 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 sip
|
|
|
|
import (
|
|
"bytes"
|
|
)
|
|
|
|
const (
|
|
hexChars = "0123456789abcdef"
|
|
)
|
|
|
|
// appendEscaped appends while URL encoding bytes that don't match the predicate..
|
|
func appendEscaped(b *bytes.Buffer, s []byte, p func(byte) bool) {
|
|
for i := 0; i < len(s); i++ {
|
|
c := s[i]
|
|
if p(c) {
|
|
b.WriteByte(c)
|
|
} else {
|
|
b.WriteByte('%')
|
|
b.WriteByte(hexChars[c>>4])
|
|
b.WriteByte(hexChars[c%16])
|
|
}
|
|
}
|
|
}
|