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74 lines
1.2 KiB
Go
74 lines
1.2 KiB
Go
package httpsfv
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import (
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"strings"
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)
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// Item is a bare value and associated parameters.
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// See https://httpwg.org/specs/rfc9651.html#item.
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type Item struct {
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Value interface{}
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Params *Params
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}
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// NewItem returns a new Item.
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func NewItem(v interface{}) Item {
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assertBareItem(v)
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return Item{v, NewParams()}
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}
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func (i Item) member() {
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}
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// marshalSFV serializes as defined in
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// https://httpwg.org/specs/rfc9651.html#ser-item.
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func (i Item) marshalSFV(b *strings.Builder) error {
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if i.Value == nil {
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return ErrInvalidBareItem
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}
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if err := marshalBareItem(b, i.Value); err != nil {
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return err
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}
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return i.Params.marshalSFV(b)
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}
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// UnmarshalItem parses an item as defined in
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// https://httpwg.org/specs/rfc9651.html#parse-item.
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func UnmarshalItem(v []string) (Item, error) {
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s := &scanner{
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data: strings.Join(v, ","),
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}
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s.scanWhileSp()
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sfv, err := parseItem(s)
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if err != nil {
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return Item{}, err
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}
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s.scanWhileSp()
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if !s.eof() {
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return Item{}, &UnmarshalError{off: s.off}
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}
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return sfv, nil
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}
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func parseItem(s *scanner) (Item, error) {
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bi, err := parseBareItem(s)
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if err != nil {
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return Item{}, err
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}
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p, err := parseParams(s)
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if err != nil {
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return Item{}, err
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}
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return Item{bi, p}, nil
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}
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