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112 lines
2.5 KiB
Go
112 lines
2.5 KiB
Go
package httpbinding
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import (
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"math"
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"math/big"
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"strconv"
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"strings"
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)
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// URIValue is used to encode named URI parameters
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type URIValue struct {
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path, rawPath, buffer *[]byte
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key string
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}
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func newURIValue(path *[]byte, rawPath *[]byte, buffer *[]byte, key string) URIValue {
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return URIValue{path: path, rawPath: rawPath, buffer: buffer, key: key}
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}
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func (u URIValue) modifyURI(value string) (err error) {
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*u.path, *u.buffer, err = replacePathElement(*u.path, *u.buffer, u.key, value, false)
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if err != nil {
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return err
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}
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*u.rawPath, *u.buffer, err = replacePathElement(*u.rawPath, *u.buffer, u.key, value, true)
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return err
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}
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// Boolean encodes v as a URI string value
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func (u URIValue) Boolean(v bool) error {
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return u.modifyURI(strconv.FormatBool(v))
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}
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// String encodes v as a URI string value
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func (u URIValue) String(v string) error {
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return u.modifyURI(v)
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}
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// Byte encodes v as a URI string value
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func (u URIValue) Byte(v int8) error {
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return u.Long(int64(v))
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}
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// Short encodes v as a URI string value
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func (u URIValue) Short(v int16) error {
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return u.Long(int64(v))
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}
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// Integer encodes v as a URI string value
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func (u URIValue) Integer(v int32) error {
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return u.Long(int64(v))
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}
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// Long encodes v as a URI string value
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func (u URIValue) Long(v int64) error {
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return u.modifyURI(strconv.FormatInt(v, 10))
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}
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// Float encodes v as a query string value
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func (u URIValue) Float(v float32) error {
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return u.float(float64(v), 32)
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}
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// Double encodes v as a query string value
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func (u URIValue) Double(v float64) error {
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return u.float(v, 64)
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}
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func (u URIValue) float(v float64, bitSize int) error {
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switch {
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case math.IsNaN(v):
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return u.String(floatNaN)
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case math.IsInf(v, 1):
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return u.String(floatInfinity)
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case math.IsInf(v, -1):
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return u.String(floatNegInfinity)
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default:
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return u.modifyURI(strconv.FormatFloat(v, 'f', -1, bitSize))
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}
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}
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// BigInteger encodes v as a query string value
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func (u URIValue) BigInteger(v *big.Int) error {
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return u.modifyURI(v.String())
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}
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// BigDecimal encodes v as a query string value
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func (u URIValue) BigDecimal(v *big.Float) error {
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if i, accuracy := v.Int64(); accuracy == big.Exact {
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return u.Long(i)
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}
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return u.modifyURI(v.Text('e', -1))
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}
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// SplitURI parses a Smithy HTTP binding trait URI
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func SplitURI(uri string) (path, query string) {
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queryStart := strings.IndexRune(uri, '?')
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if queryStart == -1 {
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path = uri
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return path, query
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}
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path = uri[:queryStart]
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if queryStart+1 >= len(uri) {
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return path, query
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}
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query = uri[queryStart+1:]
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return path, query
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}
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