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.
40 lines
682 B
40 lines
682 B
// Addr / Via Parameter Library
|
|
|
|
package sip
|
|
|
|
import (
|
|
"bytes"
|
|
"strings"
|
|
)
|
|
|
|
// Param is a linked list of ;key="values" for Addr/Via parameters.
|
|
type Param struct {
|
|
Name string
|
|
Value string
|
|
Next *Param
|
|
}
|
|
|
|
// Get returns an entry in O(n) time.
|
|
func (p *Param) Get(name string) *Param {
|
|
if p == nil {
|
|
return nil
|
|
}
|
|
if strings.EqualFold(p.Name, name) {
|
|
return p
|
|
}
|
|
return p.Next.Get(name)
|
|
}
|
|
|
|
// Append serializes parameters in insertion order.
|
|
func (p *Param) Append(b *bytes.Buffer) {
|
|
if p == nil {
|
|
return
|
|
}
|
|
p.Next.Append(b)
|
|
b.WriteByte(';')
|
|
appendSanitized(b, []byte(p.Name), tokenc)
|
|
if p.Value != "" {
|
|
b.WriteByte('=')
|
|
appendQuoted(b, []byte(p.Value))
|
|
}
|
|
}
|