123 lines
2.9 KiB
Go
123 lines
2.9 KiB
Go
package httpbinding
|
|
|
|
import (
|
|
"encoding/base64"
|
|
"math"
|
|
"math/big"
|
|
"net/http"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
// Headers is used to encode header keys using a provided prefix
|
|
type Headers struct {
|
|
header http.Header
|
|
prefix string
|
|
}
|
|
|
|
// AddHeader returns a HeaderValue used to append values to prefix+key
|
|
func (h Headers) AddHeader(key string) HeaderValue {
|
|
return h.newHeaderValue(key, true)
|
|
}
|
|
|
|
// SetHeader returns a HeaderValue used to set the value of prefix+key
|
|
func (h Headers) SetHeader(key string) HeaderValue {
|
|
return h.newHeaderValue(key, false)
|
|
}
|
|
|
|
func (h Headers) newHeaderValue(key string, append bool) HeaderValue {
|
|
return newHeaderValue(h.header, h.prefix+strings.TrimSpace(key), append)
|
|
}
|
|
|
|
// HeaderValue is used to encode values to an HTTP header
|
|
type HeaderValue struct {
|
|
header http.Header
|
|
key string
|
|
append bool
|
|
}
|
|
|
|
func newHeaderValue(header http.Header, key string, append bool) HeaderValue {
|
|
return HeaderValue{header: header, key: strings.TrimSpace(key), append: append}
|
|
}
|
|
|
|
func (h HeaderValue) modifyHeader(value string) {
|
|
if h.append {
|
|
h.header[h.key] = append(h.header[h.key], value)
|
|
} else {
|
|
h.header[h.key] = append(h.header[h.key][:0], value)
|
|
}
|
|
}
|
|
|
|
// String encodes the value v as the header string value
|
|
func (h HeaderValue) String(v string) {
|
|
h.modifyHeader(v)
|
|
}
|
|
|
|
// Byte encodes the value v as a query string value
|
|
func (h HeaderValue) Byte(v int8) {
|
|
h.Long(int64(v))
|
|
}
|
|
|
|
// Short encodes the value v as a query string value
|
|
func (h HeaderValue) Short(v int16) {
|
|
h.Long(int64(v))
|
|
}
|
|
|
|
// Integer encodes the value v as the header string value
|
|
func (h HeaderValue) Integer(v int32) {
|
|
h.Long(int64(v))
|
|
}
|
|
|
|
// Long encodes the value v as the header string value
|
|
func (h HeaderValue) Long(v int64) {
|
|
h.modifyHeader(strconv.FormatInt(v, 10))
|
|
}
|
|
|
|
// Boolean encodes the value v as a query string value
|
|
func (h HeaderValue) Boolean(v bool) {
|
|
h.modifyHeader(strconv.FormatBool(v))
|
|
}
|
|
|
|
// Float encodes the value v as a query string value
|
|
func (h HeaderValue) Float(v float32) {
|
|
h.float(float64(v), 32)
|
|
}
|
|
|
|
// Double encodes the value v as a query string value
|
|
func (h HeaderValue) Double(v float64) {
|
|
h.float(v, 64)
|
|
}
|
|
|
|
func (h HeaderValue) float(v float64, bitSize int) {
|
|
switch {
|
|
case math.IsNaN(v):
|
|
h.String(floatNaN)
|
|
case math.IsInf(v, 1):
|
|
h.String(floatInfinity)
|
|
case math.IsInf(v, -1):
|
|
h.String(floatNegInfinity)
|
|
default:
|
|
h.modifyHeader(strconv.FormatFloat(v, 'f', -1, bitSize))
|
|
}
|
|
}
|
|
|
|
// BigInteger encodes the value v as a query string value
|
|
func (h HeaderValue) BigInteger(v *big.Int) {
|
|
h.modifyHeader(v.String())
|
|
}
|
|
|
|
// BigDecimal encodes the value v as a query string value
|
|
func (h HeaderValue) BigDecimal(v *big.Float) {
|
|
if i, accuracy := v.Int64(); accuracy == big.Exact {
|
|
h.Long(i)
|
|
return
|
|
}
|
|
h.modifyHeader(v.Text('e', -1))
|
|
}
|
|
|
|
// Blob encodes the value v as a base64 header string value
|
|
func (h HeaderValue) Blob(v []byte) {
|
|
encodeToString := base64.StdEncoding.EncodeToString(v)
|
|
h.modifyHeader(encodeToString)
|
|
}
|