86 lines
2.1 KiB
Go
86 lines
2.1 KiB
Go
package gojay
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// EmbeddedJSON is a raw encoded JSON value.
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// It can be used to delay JSON decoding or precompute a JSON encoding.
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type EmbeddedJSON []byte
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func (dec *Decoder) decodeEmbeddedJSON(ej *EmbeddedJSON) error {
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var err error
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if ej == nil {
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return InvalidUnmarshalError("Invalid nil pointer given")
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}
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var beginOfEmbeddedJSON int
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for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
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switch dec.data[dec.cursor] {
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case ' ', '\n', '\t', '\r', ',':
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continue
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// is null
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case 'n':
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beginOfEmbeddedJSON = dec.cursor
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dec.cursor++
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err := dec.assertNull()
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if err != nil {
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return err
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}
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case 't':
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beginOfEmbeddedJSON = dec.cursor
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dec.cursor++
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err := dec.assertTrue()
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if err != nil {
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return err
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}
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// is false
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case 'f':
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beginOfEmbeddedJSON = dec.cursor
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dec.cursor++
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err := dec.assertFalse()
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if err != nil {
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return err
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}
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// is an object
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case '{':
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beginOfEmbeddedJSON = dec.cursor
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dec.cursor = dec.cursor + 1
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dec.cursor, err = dec.skipObject()
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// is string
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case '"':
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beginOfEmbeddedJSON = dec.cursor
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dec.cursor = dec.cursor + 1
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err = dec.skipString() // why no new dec.cursor in result?
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// is array
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case '[':
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beginOfEmbeddedJSON = dec.cursor
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dec.cursor = dec.cursor + 1
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dec.cursor, err = dec.skipArray()
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case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-':
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beginOfEmbeddedJSON = dec.cursor
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dec.cursor, err = dec.skipNumber()
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}
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break
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}
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if err == nil {
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if dec.cursor-1 >= beginOfEmbeddedJSON {
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*ej = append(*ej, dec.data[beginOfEmbeddedJSON:dec.cursor]...)
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}
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dec.called |= 1
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}
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return err
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}
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// AddEmbeddedJSON adds an EmbeddedsJSON to the value pointed by v.
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// It can be used to delay JSON decoding or precompute a JSON encoding.
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func (dec *Decoder) AddEmbeddedJSON(v *EmbeddedJSON) error {
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return dec.EmbeddedJSON(v)
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}
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// EmbeddedJSON adds an EmbeddedsJSON to the value pointed by v.
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// It can be used to delay JSON decoding or precompute a JSON encoding.
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func (dec *Decoder) EmbeddedJSON(v *EmbeddedJSON) error {
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err := dec.decodeEmbeddedJSON(v)
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if err != nil {
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return err
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}
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dec.called |= 1
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return nil
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}
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