forked from mirror/go-json
59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
package json
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import "unsafe"
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type wrappedStringDecoder struct {
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dec decoder
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stringDecoder *stringDecoder
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structName string
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fieldName string
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}
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func newWrappedStringDecoder(dec decoder, structName, fieldName string) *wrappedStringDecoder {
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return &wrappedStringDecoder{
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dec: dec,
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stringDecoder: newStringDecoder(structName, fieldName),
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structName: structName,
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fieldName: fieldName,
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}
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}
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func (d *wrappedStringDecoder) decodeStream(s *stream, p unsafe.Pointer) error {
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bytes, err := d.stringDecoder.decodeStreamByte(s)
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if err != nil {
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return err
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}
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// save current state
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buf := s.buf
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length := s.length
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cursor := s.cursor
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// set content in string to stream
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bytes = append(bytes, nul)
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s.buf = bytes
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s.cursor = 0
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s.length = int64(len(bytes))
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if err := d.dec.decodeStream(s, p); err != nil {
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return nil
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}
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// restore state
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s.buf = buf
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s.length = length
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s.cursor = cursor
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return nil
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}
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func (d *wrappedStringDecoder) decode(buf []byte, cursor int64, p unsafe.Pointer) (int64, error) {
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bytes, c, err := d.stringDecoder.decodeByte(buf, cursor)
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if err != nil {
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return 0, err
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}
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bytes = append(bytes, nul)
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if _, err := d.dec.decode(bytes, 0, p); err != nil {
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return 0, err
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}
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return c, nil
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}
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