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package httpbinding
import (
"encoding/base64"
"math"
"math/big"
"net/url"
"strconv"
)
// QueryValue is used to encode query key values
type QueryValue struct {
query url.Values
key string
append bool
}
// NewQueryValue creates a new QueryValue which enables encoding
// a query value into the given url.Values.
func NewQueryValue(query url.Values, key string, append bool) QueryValue {
return QueryValue{
query: query,
key: key,
append: append,
}
}
func (qv QueryValue) updateKey(value string) {
if qv.append {
qv.query.Add(qv.key, value)
} else {
qv.query.Set(qv.key, value)
}
}
// Blob encodes v as a base64 query string value
func (qv QueryValue) Blob(v []byte) {
encodeToString := base64.StdEncoding.EncodeToString(v)
qv.updateKey(encodeToString)
}
// Boolean encodes v as a query string value
func (qv QueryValue) Boolean(v bool) {
qv.updateKey(strconv.FormatBool(v))
}
// String encodes v as a query string value
func (qv QueryValue) String(v string) {
qv.updateKey(v)
}
// Byte encodes v as a query string value
func (qv QueryValue) Byte(v int8) {
qv.Long(int64(v))
}
// Short encodes v as a query string value
func (qv QueryValue) Short(v int16) {
qv.Long(int64(v))
}
// Integer encodes v as a query string value
func (qv QueryValue) Integer(v int32) {
qv.Long(int64(v))
}
// Long encodes v as a query string value
func (qv QueryValue) Long(v int64) {
qv.updateKey(strconv.FormatInt(v, 10))
}
// Float encodes v as a query string value
func (qv QueryValue) Float(v float32) {
qv.float(float64(v), 32)
}
// Double encodes v as a query string value
func (qv QueryValue) Double(v float64) {
qv.float(v, 64)
}
func (qv QueryValue) float(v float64, bitSize int) {
switch {
case math.IsNaN(v):
qv.String(floatNaN)
case math.IsInf(v, 1):
qv.String(floatInfinity)
case math.IsInf(v, -1):
qv.String(floatNegInfinity)
default:
qv.updateKey(strconv.FormatFloat(v, 'f', -1, bitSize))
}
}
// BigInteger encodes v as a query string value
func (qv QueryValue) BigInteger(v *big.Int) {
qv.updateKey(v.String())
}
// BigDecimal encodes v as a query string value
func (qv QueryValue) BigDecimal(v *big.Float) {
if i, accuracy := v.Int64(); accuracy == big.Exact {
qv.Long(i)
return
}
qv.updateKey(v.Text('e', -1))
}
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