mirror of
https://github.com/42wim/matterbridge.git
synced 2024-11-16 00:49:26 +01:00
1339 lines
37 KiB
Go
1339 lines
37 KiB
Go
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package gojay
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import (
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"fmt"
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"math"
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)
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// DecodeInt reads the next JSON-encoded value from the decoder's input (io.Reader) and stores it in the int pointed to by v.
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//
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// See the documentation for Unmarshal for details about the conversion of JSON into a Go value.
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func (dec *Decoder) DecodeInt(v *int) error {
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if dec.isPooled == 1 {
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panic(InvalidUsagePooledDecoderError("Invalid usage of pooled decoder"))
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}
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return dec.decodeInt(v)
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}
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func (dec *Decoder) decodeInt(v *int) error {
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for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
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switch c := dec.data[dec.cursor]; c {
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case ' ', '\n', '\t', '\r', ',':
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continue
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// we don't look for 0 as leading zeros are invalid per RFC
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case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
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val, err := dec.getInt64()
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if err != nil {
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return err
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}
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*v = int(val)
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return nil
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case '-':
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dec.cursor = dec.cursor + 1
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val, err := dec.getInt64Negative()
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if err != nil {
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return err
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}
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*v = -int(val)
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return nil
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case 'n':
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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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return nil
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default:
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dec.err = InvalidUnmarshalError(
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fmt.Sprintf(
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"Cannot unmarshall to int, wrong char '%s' found at pos %d",
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string(dec.data[dec.cursor]),
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dec.cursor,
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),
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)
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err := dec.skipData()
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if err != nil {
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return err
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}
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return nil
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}
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}
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return dec.raiseInvalidJSONErr(dec.cursor)
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}
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func (dec *Decoder) decodeIntNull(v **int) error {
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for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
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switch c := dec.data[dec.cursor]; c {
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case ' ', '\n', '\t', '\r', ',':
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continue
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// we don't look for 0 as leading zeros are invalid per RFC
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case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
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val, err := dec.getInt64()
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if err != nil {
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return err
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}
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if *v == nil {
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*v = new(int)
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}
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**v = int(val)
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return nil
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case '-':
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dec.cursor = dec.cursor + 1
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val, err := dec.getInt64Negative()
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if err != nil {
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return err
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}
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if *v == nil {
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*v = new(int)
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}
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**v = -int(val)
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return nil
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case 'n':
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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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return nil
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default:
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dec.err = InvalidUnmarshalError(
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fmt.Sprintf(
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"Cannot unmarshall to int, wrong char '%s' found at pos %d",
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string(dec.data[dec.cursor]),
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dec.cursor,
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),
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)
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err := dec.skipData()
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if err != nil {
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return err
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}
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return nil
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}
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}
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return dec.raiseInvalidJSONErr(dec.cursor)
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}
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// DecodeInt16 reads the next JSON-encoded value from the decoder's input (io.Reader) and stores it in the int16 pointed to by v.
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//
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// See the documentation for Unmarshal for details about the conversion of JSON into a Go value.
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func (dec *Decoder) DecodeInt16(v *int16) error {
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if dec.isPooled == 1 {
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panic(InvalidUsagePooledDecoderError("Invalid usage of pooled decoder"))
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}
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return dec.decodeInt16(v)
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}
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func (dec *Decoder) decodeInt16(v *int16) error {
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for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
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switch c := dec.data[dec.cursor]; c {
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case ' ', '\n', '\t', '\r', ',':
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continue
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// we don't look for 0 as leading zeros are invalid per RFC
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case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
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val, err := dec.getInt16()
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if err != nil {
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return err
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}
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*v = val
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return nil
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case '-':
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dec.cursor = dec.cursor + 1
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val, err := dec.getInt16Negative()
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if err != nil {
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return err
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}
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*v = -val
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return nil
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case 'n':
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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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return nil
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default:
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dec.err = dec.makeInvalidUnmarshalErr(v)
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err := dec.skipData()
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if err != nil {
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return err
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}
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return nil
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}
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}
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return dec.raiseInvalidJSONErr(dec.cursor)
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}
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func (dec *Decoder) decodeInt16Null(v **int16) error {
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for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
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switch c := dec.data[dec.cursor]; c {
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case ' ', '\n', '\t', '\r', ',':
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continue
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// we don't look for 0 as leading zeros are invalid per RFC
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case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
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val, err := dec.getInt16()
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if err != nil {
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return err
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}
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if *v == nil {
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*v = new(int16)
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}
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**v = val
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return nil
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case '-':
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dec.cursor = dec.cursor + 1
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val, err := dec.getInt16Negative()
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if err != nil {
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return err
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}
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if *v == nil {
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*v = new(int16)
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}
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**v = -val
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return nil
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case 'n':
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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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return nil
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default:
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dec.err = dec.makeInvalidUnmarshalErr(v)
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err := dec.skipData()
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if err != nil {
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return err
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}
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return nil
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}
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}
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return dec.raiseInvalidJSONErr(dec.cursor)
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}
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func (dec *Decoder) getInt16Negative() (int16, error) {
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// look for following numbers
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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 '1', '2', '3', '4', '5', '6', '7', '8', '9':
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return dec.getInt16()
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default:
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return 0, dec.raiseInvalidJSONErr(dec.cursor)
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}
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}
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return 0, dec.raiseInvalidJSONErr(dec.cursor)
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}
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func (dec *Decoder) getInt16() (int16, error) {
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var end = dec.cursor
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var start = dec.cursor
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// look for following numbers
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for j := dec.cursor + 1; j < dec.length || dec.read(); j++ {
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switch dec.data[j] {
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case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
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end = j
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continue
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case '.':
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// if dot is found
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// look for exponent (e,E) as exponent can change the
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// way number should be parsed to int.
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// if no exponent found, just unmarshal the number before decimal point
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j++
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startDecimal := j
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endDecimal := j - 1
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for ; j < dec.length || dec.read(); j++ {
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switch dec.data[j] {
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case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
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endDecimal = j
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continue
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case 'e', 'E':
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if startDecimal > endDecimal {
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return 0, dec.raiseInvalidJSONErr(dec.cursor)
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}
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dec.cursor = j + 1
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// can try unmarshalling to int as Exponent might change decimal number to non decimal
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// let's get the float value first
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// we get part before decimal as integer
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beforeDecimal := dec.atoi16(start, end)
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// get number after the decimal point
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// multiple the before decimal point portion by 10 using bitwise
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for i := startDecimal; i <= endDecimal; i++ {
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beforeDecimal = (beforeDecimal << 3) + (beforeDecimal << 1)
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}
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// then we add both integers
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// then we divide the number by the power found
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afterDecimal := dec.atoi16(startDecimal, endDecimal)
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expI := endDecimal - startDecimal + 2
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if expI >= len(pow10uint64) || expI < 0 {
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return 0, dec.raiseInvalidJSONErr(dec.cursor)
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}
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pow := pow10uint64[expI]
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floatVal := float64(beforeDecimal+afterDecimal) / float64(pow)
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// we have the floating value, now multiply by the exponent
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exp, err := dec.getExponent()
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if err != nil {
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return 0, err
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}
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pExp := (exp + (exp >> 31)) ^ (exp >> 31) + 1 // abs
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if pExp >= int64(len(pow10uint64)) || pExp < 0 {
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return 0, dec.raiseInvalidJSONErr(dec.cursor)
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}
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val := floatVal * float64(pow10uint64[pExp])
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return int16(val), nil
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case ' ', '\t', '\n', ',', ']', '}':
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dec.cursor = j
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return dec.atoi16(start, end), nil
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default:
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dec.cursor = j
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return 0, dec.raiseInvalidJSONErr(dec.cursor)
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}
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}
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return dec.atoi16(start, end), nil
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case 'e', 'E':
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// get init n
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dec.cursor = j + 1
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return dec.getInt16WithExp(dec.atoi16(start, end))
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case ' ', '\n', '\t', '\r', ',', '}', ']':
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dec.cursor = j
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return dec.atoi16(start, end), nil
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}
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// invalid json we expect numbers, dot (single one), comma, or spaces
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return 0, dec.raiseInvalidJSONErr(dec.cursor)
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}
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return dec.atoi16(start, end), nil
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}
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||
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func (dec *Decoder) getInt16WithExp(init int16) (int16, error) {
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var exp uint16
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var sign = int16(1)
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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 '+':
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continue
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case '-':
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sign = -1
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case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
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uintv := uint16(digits[dec.data[dec.cursor]])
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||
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exp = (exp << 3) + (exp << 1) + uintv
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||
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dec.cursor++
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||
|
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for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch dec.data[dec.cursor] {
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
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||
|
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uintv := uint16(digits[dec.data[dec.cursor]])
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||
|
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exp = (exp << 3) + (exp << 1) + uintv
|
||
|
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case ' ', '\t', '\n', '}', ',', ']':
|
||
|
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exp = exp + 1
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||
|
|
if exp >= uint16(len(pow10uint64)) {
|
||
|
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return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
if sign == -1 {
|
||
|
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return init * (1 / int16(pow10uint64[exp])), nil
|
||
|
|
}
|
||
|
|
return init * int16(pow10uint64[exp]), nil
|
||
|
|
default:
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
exp = exp + 1
|
||
|
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if exp >= uint16(len(pow10uint64)) {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
if sign == -1 {
|
||
|
|
return init * (1 / int16(pow10uint64[exp])), nil
|
||
|
|
}
|
||
|
|
return init * int16(pow10uint64[exp]), nil
|
||
|
|
default:
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
|
||
|
|
// DecodeInt8 reads the next JSON-encoded value from the decoder's input (io.Reader) and stores it in the int8 pointed to by v.
|
||
|
|
//
|
||
|
|
// See the documentation for Unmarshal for details about the conversion of JSON into a Go value.
|
||
|
|
func (dec *Decoder) DecodeInt8(v *int8) error {
|
||
|
|
if dec.isPooled == 1 {
|
||
|
|
panic(InvalidUsagePooledDecoderError("Invalid usage of pooled decoder"))
|
||
|
|
}
|
||
|
|
return dec.decodeInt8(v)
|
||
|
|
}
|
||
|
|
func (dec *Decoder) decodeInt8(v *int8) error {
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch c := dec.data[dec.cursor]; c {
|
||
|
|
case ' ', '\n', '\t', '\r', ',':
|
||
|
|
continue
|
||
|
|
// we don't look for 0 as leading zeros are invalid per RFC
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
val, err := dec.getInt8()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
*v = val
|
||
|
|
return nil
|
||
|
|
case '-':
|
||
|
|
dec.cursor = dec.cursor + 1
|
||
|
|
val, err := dec.getInt8Negative()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
*v = -val
|
||
|
|
return nil
|
||
|
|
case 'n':
|
||
|
|
dec.cursor++
|
||
|
|
err := dec.assertNull()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
default:
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(v)
|
||
|
|
err := dec.skipData()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
func (dec *Decoder) decodeInt8Null(v **int8) error {
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch c := dec.data[dec.cursor]; c {
|
||
|
|
case ' ', '\n', '\t', '\r', ',':
|
||
|
|
continue
|
||
|
|
// we don't look for 0 as leading zeros are invalid per RFC
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
val, err := dec.getInt8()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
if *v == nil {
|
||
|
|
*v = new(int8)
|
||
|
|
}
|
||
|
|
**v = val
|
||
|
|
return nil
|
||
|
|
case '-':
|
||
|
|
dec.cursor = dec.cursor + 1
|
||
|
|
val, err := dec.getInt8Negative()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
if *v == nil {
|
||
|
|
*v = new(int8)
|
||
|
|
}
|
||
|
|
**v = -val
|
||
|
|
return nil
|
||
|
|
case 'n':
|
||
|
|
dec.cursor++
|
||
|
|
err := dec.assertNull()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
default:
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(v)
|
||
|
|
err := dec.skipData()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) getInt8Negative() (int8, error) {
|
||
|
|
// look for following numbers
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch dec.data[dec.cursor] {
|
||
|
|
case '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
return dec.getInt8()
|
||
|
|
default:
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) getInt8() (int8, error) {
|
||
|
|
var end = dec.cursor
|
||
|
|
var start = dec.cursor
|
||
|
|
// look for following numbers
|
||
|
|
for j := dec.cursor + 1; j < dec.length || dec.read(); j++ {
|
||
|
|
switch dec.data[j] {
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
end = j
|
||
|
|
continue
|
||
|
|
case '.':
|
||
|
|
// if dot is found
|
||
|
|
// look for exponent (e,E) as exponent can change the
|
||
|
|
// way number should be parsed to int.
|
||
|
|
// if no exponent found, just unmarshal the number before decimal point
|
||
|
|
j++
|
||
|
|
startDecimal := j
|
||
|
|
endDecimal := j - 1
|
||
|
|
for ; j < dec.length || dec.read(); j++ {
|
||
|
|
switch dec.data[j] {
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
endDecimal = j
|
||
|
|
continue
|
||
|
|
case 'e', 'E':
|
||
|
|
if startDecimal > endDecimal {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
dec.cursor = j + 1
|
||
|
|
// can try unmarshalling to int as Exponent might change decimal number to non decimal
|
||
|
|
// let's get the float value first
|
||
|
|
// we get part before decimal as integer
|
||
|
|
beforeDecimal := dec.atoi8(start, end)
|
||
|
|
// get number after the decimal point
|
||
|
|
// multiple the before decimal point portion by 10 using bitwise
|
||
|
|
for i := startDecimal; i <= endDecimal; i++ {
|
||
|
|
beforeDecimal = (beforeDecimal << 3) + (beforeDecimal << 1)
|
||
|
|
}
|
||
|
|
// then we add both integers
|
||
|
|
// then we divide the number by the power found
|
||
|
|
afterDecimal := dec.atoi8(startDecimal, endDecimal)
|
||
|
|
expI := endDecimal - startDecimal + 2
|
||
|
|
if expI >= len(pow10uint64) || expI < 0 {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
pow := pow10uint64[expI]
|
||
|
|
floatVal := float64(beforeDecimal+afterDecimal) / float64(pow)
|
||
|
|
// we have the floating value, now multiply by the exponent
|
||
|
|
exp, err := dec.getExponent()
|
||
|
|
if err != nil {
|
||
|
|
return 0, err
|
||
|
|
}
|
||
|
|
pExp := (exp + (exp >> 31)) ^ (exp >> 31) + 1 // abs
|
||
|
|
if pExp >= int64(len(pow10uint64)) || pExp < 0 {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
val := floatVal * float64(pow10uint64[pExp])
|
||
|
|
return int8(val), nil
|
||
|
|
case ' ', '\t', '\n', ',', ']', '}':
|
||
|
|
dec.cursor = j
|
||
|
|
return dec.atoi8(start, end), nil
|
||
|
|
default:
|
||
|
|
dec.cursor = j
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return dec.atoi8(start, end), nil
|
||
|
|
case 'e', 'E':
|
||
|
|
// get init n
|
||
|
|
dec.cursor = j + 1
|
||
|
|
return dec.getInt8WithExp(dec.atoi8(start, end))
|
||
|
|
case ' ', '\n', '\t', '\r', ',', '}', ']':
|
||
|
|
dec.cursor = j
|
||
|
|
return dec.atoi8(start, end), nil
|
||
|
|
}
|
||
|
|
// invalid json we expect numbers, dot (single one), comma, or spaces
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
return dec.atoi8(start, end), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) getInt8WithExp(init int8) (int8, error) {
|
||
|
|
var exp uint8
|
||
|
|
var sign = int8(1)
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch dec.data[dec.cursor] {
|
||
|
|
case '+':
|
||
|
|
continue
|
||
|
|
case '-':
|
||
|
|
sign = -1
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
uintv := uint8(digits[dec.data[dec.cursor]])
|
||
|
|
exp = (exp << 3) + (exp << 1) + uintv
|
||
|
|
dec.cursor++
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch dec.data[dec.cursor] {
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
uintv := uint8(digits[dec.data[dec.cursor]])
|
||
|
|
exp = (exp << 3) + (exp << 1) + uintv
|
||
|
|
case ' ', '\t', '\n', '}', ',', ']':
|
||
|
|
if exp+1 >= uint8(len(pow10uint64)) {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
if sign == -1 {
|
||
|
|
return init * (1 / int8(pow10uint64[exp+1])), nil
|
||
|
|
}
|
||
|
|
return init * int8(pow10uint64[exp+1]), nil
|
||
|
|
default:
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if exp+1 >= uint8(len(pow10uint64)) {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
if sign == -1 {
|
||
|
|
return init * (1 / int8(pow10uint64[exp+1])), nil
|
||
|
|
}
|
||
|
|
return init * int8(pow10uint64[exp+1]), nil
|
||
|
|
default:
|
||
|
|
dec.err = dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
return 0, dec.err
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
|
||
|
|
// DecodeInt32 reads the next JSON-encoded value from the decoder's input (io.Reader) and stores it in the int32 pointed to by v.
|
||
|
|
//
|
||
|
|
// See the documentation for Unmarshal for details about the conversion of JSON into a Go value.
|
||
|
|
func (dec *Decoder) DecodeInt32(v *int32) error {
|
||
|
|
if dec.isPooled == 1 {
|
||
|
|
panic(InvalidUsagePooledDecoderError("Invalid usage of pooled decoder"))
|
||
|
|
}
|
||
|
|
return dec.decodeInt32(v)
|
||
|
|
}
|
||
|
|
func (dec *Decoder) decodeInt32(v *int32) error {
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch c := dec.data[dec.cursor]; c {
|
||
|
|
case ' ', '\n', '\t', '\r', ',':
|
||
|
|
continue
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
val, err := dec.getInt32()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
*v = val
|
||
|
|
return nil
|
||
|
|
case '-':
|
||
|
|
dec.cursor = dec.cursor + 1
|
||
|
|
val, err := dec.getInt32Negative()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
*v = -val
|
||
|
|
return nil
|
||
|
|
case 'n':
|
||
|
|
dec.cursor++
|
||
|
|
err := dec.assertNull()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
default:
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(v)
|
||
|
|
err := dec.skipData()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
func (dec *Decoder) decodeInt32Null(v **int32) error {
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch c := dec.data[dec.cursor]; c {
|
||
|
|
case ' ', '\n', '\t', '\r', ',':
|
||
|
|
continue
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
val, err := dec.getInt32()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
if *v == nil {
|
||
|
|
*v = new(int32)
|
||
|
|
}
|
||
|
|
**v = val
|
||
|
|
return nil
|
||
|
|
case '-':
|
||
|
|
dec.cursor = dec.cursor + 1
|
||
|
|
val, err := dec.getInt32Negative()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
if *v == nil {
|
||
|
|
*v = new(int32)
|
||
|
|
}
|
||
|
|
**v = -val
|
||
|
|
return nil
|
||
|
|
case 'n':
|
||
|
|
dec.cursor++
|
||
|
|
err := dec.assertNull()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
default:
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(v)
|
||
|
|
err := dec.skipData()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) getInt32Negative() (int32, error) {
|
||
|
|
// look for following numbers
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch dec.data[dec.cursor] {
|
||
|
|
case '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
return dec.getInt32()
|
||
|
|
default:
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) getInt32() (int32, error) {
|
||
|
|
var end = dec.cursor
|
||
|
|
var start = dec.cursor
|
||
|
|
// look for following numbers
|
||
|
|
for j := dec.cursor + 1; j < dec.length || dec.read(); j++ {
|
||
|
|
switch dec.data[j] {
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
end = j
|
||
|
|
continue
|
||
|
|
case '.':
|
||
|
|
// if dot is found
|
||
|
|
// look for exponent (e,E) as exponent can change the
|
||
|
|
// way number should be parsed to int.
|
||
|
|
// if no exponent found, just unmarshal the number before decimal point
|
||
|
|
j++
|
||
|
|
startDecimal := j
|
||
|
|
endDecimal := j - 1
|
||
|
|
for ; j < dec.length || dec.read(); j++ {
|
||
|
|
switch dec.data[j] {
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
endDecimal = j
|
||
|
|
continue
|
||
|
|
case 'e', 'E':
|
||
|
|
// if eg 1.E
|
||
|
|
if startDecimal > endDecimal {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
dec.cursor = j + 1
|
||
|
|
// can try unmarshalling to int as Exponent might change decimal number to non decimal
|
||
|
|
// let's get the float value first
|
||
|
|
// we get part before decimal as integer
|
||
|
|
beforeDecimal := dec.atoi64(start, end)
|
||
|
|
// get number after the decimal point
|
||
|
|
// multiple the before decimal point portion by 10 using bitwise
|
||
|
|
for i := startDecimal; i <= endDecimal; i++ {
|
||
|
|
beforeDecimal = (beforeDecimal << 3) + (beforeDecimal << 1)
|
||
|
|
}
|
||
|
|
// then we add both integers
|
||
|
|
// then we divide the number by the power found
|
||
|
|
afterDecimal := dec.atoi64(startDecimal, endDecimal)
|
||
|
|
expI := endDecimal - startDecimal + 2
|
||
|
|
if expI >= len(pow10uint64) || expI < 0 {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
pow := pow10uint64[expI]
|
||
|
|
floatVal := float64(beforeDecimal+afterDecimal) / float64(pow)
|
||
|
|
// we have the floating value, now multiply by the exponent
|
||
|
|
exp, err := dec.getExponent()
|
||
|
|
if err != nil {
|
||
|
|
return 0, err
|
||
|
|
}
|
||
|
|
pExp := (exp + (exp >> 31)) ^ (exp >> 31) + 1 // abs
|
||
|
|
if pExp >= int64(len(pow10uint64)) || pExp < 0 {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
val := floatVal * float64(pow10uint64[pExp])
|
||
|
|
return int32(val), nil
|
||
|
|
case ' ', '\t', '\n', ',', ']', '}':
|
||
|
|
dec.cursor = j
|
||
|
|
return dec.atoi32(start, end), nil
|
||
|
|
default:
|
||
|
|
dec.cursor = j
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return dec.atoi32(start, end), nil
|
||
|
|
case 'e', 'E':
|
||
|
|
// get init n
|
||
|
|
dec.cursor = j + 1
|
||
|
|
return dec.getInt32WithExp(dec.atoi32(start, end))
|
||
|
|
case ' ', '\n', '\t', '\r', ',', '}', ']':
|
||
|
|
dec.cursor = j
|
||
|
|
return dec.atoi32(start, end), nil
|
||
|
|
}
|
||
|
|
// invalid json we expect numbers, dot (single one), comma, or spaces
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
return dec.atoi32(start, end), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) getInt32WithExp(init int32) (int32, error) {
|
||
|
|
var exp uint32
|
||
|
|
var sign = int32(1)
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch dec.data[dec.cursor] {
|
||
|
|
case '+':
|
||
|
|
continue
|
||
|
|
case '-':
|
||
|
|
sign = -1
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
uintv := uint32(digits[dec.data[dec.cursor]])
|
||
|
|
exp = (exp << 3) + (exp << 1) + uintv
|
||
|
|
dec.cursor++
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch dec.data[dec.cursor] {
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
uintv := uint32(digits[dec.data[dec.cursor]])
|
||
|
|
exp = (exp << 3) + (exp << 1) + uintv
|
||
|
|
case ' ', '\t', '\n', '}', ',', ']':
|
||
|
|
if exp+1 >= uint32(len(pow10uint64)) {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
if sign == -1 {
|
||
|
|
return init * (1 / int32(pow10uint64[exp+1])), nil
|
||
|
|
}
|
||
|
|
return init * int32(pow10uint64[exp+1]), nil
|
||
|
|
default:
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if exp+1 >= uint32(len(pow10uint64)) {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
if sign == -1 {
|
||
|
|
return init * (1 / int32(pow10uint64[exp+1])), nil
|
||
|
|
}
|
||
|
|
return init * int32(pow10uint64[exp+1]), nil
|
||
|
|
default:
|
||
|
|
dec.err = dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
return 0, dec.err
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
|
||
|
|
// DecodeInt64 reads the next JSON-encoded value from the decoder's input (io.Reader) and stores it in the int64 pointed to by v.
|
||
|
|
//
|
||
|
|
// See the documentation for Unmarshal for details about the conversion of JSON into a Go value.
|
||
|
|
func (dec *Decoder) DecodeInt64(v *int64) error {
|
||
|
|
if dec.isPooled == 1 {
|
||
|
|
panic(InvalidUsagePooledDecoderError("Invalid usage of pooled decoder"))
|
||
|
|
}
|
||
|
|
return dec.decodeInt64(v)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) decodeInt64(v *int64) error {
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch c := dec.data[dec.cursor]; c {
|
||
|
|
case ' ', '\n', '\t', '\r', ',':
|
||
|
|
continue
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
val, err := dec.getInt64()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
*v = val
|
||
|
|
return nil
|
||
|
|
case '-':
|
||
|
|
dec.cursor = dec.cursor + 1
|
||
|
|
val, err := dec.getInt64Negative()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
*v = -val
|
||
|
|
return nil
|
||
|
|
case 'n':
|
||
|
|
dec.cursor++
|
||
|
|
err := dec.assertNull()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
default:
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(v)
|
||
|
|
err := dec.skipData()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
func (dec *Decoder) decodeInt64Null(v **int64) error {
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch c := dec.data[dec.cursor]; c {
|
||
|
|
case ' ', '\n', '\t', '\r', ',':
|
||
|
|
continue
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
val, err := dec.getInt64()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
if *v == nil {
|
||
|
|
*v = new(int64)
|
||
|
|
}
|
||
|
|
**v = val
|
||
|
|
return nil
|
||
|
|
case '-':
|
||
|
|
dec.cursor = dec.cursor + 1
|
||
|
|
val, err := dec.getInt64Negative()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
if *v == nil {
|
||
|
|
*v = new(int64)
|
||
|
|
}
|
||
|
|
**v = -val
|
||
|
|
return nil
|
||
|
|
case 'n':
|
||
|
|
dec.cursor++
|
||
|
|
err := dec.assertNull()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
default:
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(v)
|
||
|
|
err := dec.skipData()
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) getInt64Negative() (int64, error) {
|
||
|
|
// look for following numbers
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch dec.data[dec.cursor] {
|
||
|
|
case '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
return dec.getInt64()
|
||
|
|
default:
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) getInt64() (int64, error) {
|
||
|
|
var end = dec.cursor
|
||
|
|
var start = dec.cursor
|
||
|
|
// look for following numbers
|
||
|
|
for j := dec.cursor + 1; j < dec.length || dec.read(); j++ {
|
||
|
|
switch dec.data[j] {
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
end = j
|
||
|
|
continue
|
||
|
|
case ' ', '\t', '\n', ',', '}', ']':
|
||
|
|
dec.cursor = j
|
||
|
|
return dec.atoi64(start, end), nil
|
||
|
|
case '.':
|
||
|
|
// if dot is found
|
||
|
|
// look for exponent (e,E) as exponent can change the
|
||
|
|
// way number should be parsed to int.
|
||
|
|
// if no exponent found, just unmarshal the number before decimal point
|
||
|
|
j++
|
||
|
|
startDecimal := j
|
||
|
|
endDecimal := j - 1
|
||
|
|
for ; j < dec.length || dec.read(); j++ {
|
||
|
|
switch dec.data[j] {
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
endDecimal = j
|
||
|
|
continue
|
||
|
|
case 'e', 'E':
|
||
|
|
// if eg 1.E
|
||
|
|
if startDecimal > endDecimal {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
dec.cursor = j + 1
|
||
|
|
// can try unmarshalling to int as Exponent might change decimal number to non decimal
|
||
|
|
// let's get the float value first
|
||
|
|
// we get part before decimal as integer
|
||
|
|
beforeDecimal := dec.atoi64(start, end)
|
||
|
|
// get number after the decimal point
|
||
|
|
// multiple the before decimal point portion by 10 using bitwise
|
||
|
|
for i := startDecimal; i <= endDecimal; i++ {
|
||
|
|
beforeDecimal = (beforeDecimal << 3) + (beforeDecimal << 1)
|
||
|
|
}
|
||
|
|
// then we add both integers
|
||
|
|
// then we divide the number by the power found
|
||
|
|
afterDecimal := dec.atoi64(startDecimal, endDecimal)
|
||
|
|
expI := endDecimal - startDecimal + 2
|
||
|
|
if expI >= len(pow10uint64) || expI < 0 {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
pow := pow10uint64[expI]
|
||
|
|
floatVal := float64(beforeDecimal+afterDecimal) / float64(pow)
|
||
|
|
// we have the floating value, now multiply by the exponent
|
||
|
|
exp, err := dec.getExponent()
|
||
|
|
if err != nil {
|
||
|
|
return 0, err
|
||
|
|
}
|
||
|
|
pExp := (exp + (exp >> 31)) ^ (exp >> 31) + 1 // abs
|
||
|
|
if pExp >= int64(len(pow10uint64)) || pExp < 0 {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
val := floatVal * float64(pow10uint64[pExp])
|
||
|
|
return int64(val), nil
|
||
|
|
case ' ', '\t', '\n', ',', ']', '}':
|
||
|
|
dec.cursor = j
|
||
|
|
return dec.atoi64(start, end), nil
|
||
|
|
default:
|
||
|
|
dec.cursor = j
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return dec.atoi64(start, end), nil
|
||
|
|
case 'e', 'E':
|
||
|
|
// get init n
|
||
|
|
dec.cursor = j + 1
|
||
|
|
return dec.getInt64WithExp(dec.atoi64(start, end))
|
||
|
|
}
|
||
|
|
// invalid json we expect numbers, dot (single one), comma, or spaces
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
return dec.atoi64(start, end), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) getInt64WithExp(init int64) (int64, error) {
|
||
|
|
var exp uint64
|
||
|
|
var sign = int64(1)
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch dec.data[dec.cursor] {
|
||
|
|
case '+':
|
||
|
|
continue
|
||
|
|
case '-':
|
||
|
|
sign = -1
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
uintv := uint64(digits[dec.data[dec.cursor]])
|
||
|
|
exp = (exp << 3) + (exp << 1) + uintv
|
||
|
|
dec.cursor++
|
||
|
|
for ; dec.cursor < dec.length || dec.read(); dec.cursor++ {
|
||
|
|
switch dec.data[dec.cursor] {
|
||
|
|
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
||
|
|
uintv := uint64(digits[dec.data[dec.cursor]])
|
||
|
|
exp = (exp << 3) + (exp << 1) + uintv
|
||
|
|
case ' ', '\t', '\n', '}', ',', ']':
|
||
|
|
if exp+1 >= uint64(len(pow10uint64)) {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
if sign == -1 {
|
||
|
|
return init * (1 / int64(pow10uint64[exp+1])), nil
|
||
|
|
}
|
||
|
|
return init * int64(pow10uint64[exp+1]), nil
|
||
|
|
default:
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if exp+1 >= uint64(len(pow10uint64)) {
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
if sign == -1 {
|
||
|
|
return init * (1 / int64(pow10uint64[exp+1])), nil
|
||
|
|
}
|
||
|
|
return init * int64(pow10uint64[exp+1]), nil
|
||
|
|
default:
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0, dec.raiseInvalidJSONErr(dec.cursor)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) atoi64(start, end int) int64 {
|
||
|
|
var ll = end + 1 - start
|
||
|
|
var val = int64(digits[dec.data[start]])
|
||
|
|
end = end + 1
|
||
|
|
if ll < maxInt64Length {
|
||
|
|
for i := start + 1; i < end; i++ {
|
||
|
|
intv := int64(digits[dec.data[i]])
|
||
|
|
val = (val << 3) + (val << 1) + intv
|
||
|
|
}
|
||
|
|
return val
|
||
|
|
} else if ll == maxInt64Length {
|
||
|
|
for i := start + 1; i < end; i++ {
|
||
|
|
intv := int64(digits[dec.data[i]])
|
||
|
|
if val > maxInt64toMultiply {
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(val)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
val = (val << 3) + (val << 1)
|
||
|
|
if math.MaxInt64-val < intv {
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(val)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
val += intv
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(val)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
return val
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) atoi32(start, end int) int32 {
|
||
|
|
var ll = end + 1 - start
|
||
|
|
var val = int32(digits[dec.data[start]])
|
||
|
|
end = end + 1
|
||
|
|
|
||
|
|
// overflowing
|
||
|
|
if ll < maxInt32Length {
|
||
|
|
for i := start + 1; i < end; i++ {
|
||
|
|
intv := int32(digits[dec.data[i]])
|
||
|
|
val = (val << 3) + (val << 1) + intv
|
||
|
|
}
|
||
|
|
} else if ll == maxInt32Length {
|
||
|
|
for i := start + 1; i < end; i++ {
|
||
|
|
intv := int32(digits[dec.data[i]])
|
||
|
|
if val > maxInt32toMultiply {
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(val)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
val = (val << 3) + (val << 1)
|
||
|
|
if math.MaxInt32-val < intv {
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(val)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
val += intv
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(val)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
return val
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) atoi16(start, end int) int16 {
|
||
|
|
var ll = end + 1 - start
|
||
|
|
var val = int16(digits[dec.data[start]])
|
||
|
|
end = end + 1
|
||
|
|
// overflowing
|
||
|
|
if ll < maxInt16Length {
|
||
|
|
for i := start + 1; i < end; i++ {
|
||
|
|
intv := int16(digits[dec.data[i]])
|
||
|
|
val = (val << 3) + (val << 1) + intv
|
||
|
|
}
|
||
|
|
} else if ll == maxInt16Length {
|
||
|
|
for i := start + 1; i < end; i++ {
|
||
|
|
intv := int16(digits[dec.data[i]])
|
||
|
|
if val > maxInt16toMultiply {
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(val)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
val = (val << 3) + (val << 1)
|
||
|
|
if math.MaxInt16-val < intv {
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(val)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
val += intv
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(val)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
return val
|
||
|
|
}
|
||
|
|
|
||
|
|
func (dec *Decoder) atoi8(start, end int) int8 {
|
||
|
|
var ll = end + 1 - start
|
||
|
|
var val = int8(digits[dec.data[start]])
|
||
|
|
end = end + 1
|
||
|
|
// overflowing
|
||
|
|
if ll < maxInt8Length {
|
||
|
|
for i := start + 1; i < end; i++ {
|
||
|
|
intv := int8(digits[dec.data[i]])
|
||
|
|
val = (val << 3) + (val << 1) + intv
|
||
|
|
}
|
||
|
|
} else if ll == maxInt8Length {
|
||
|
|
for i := start + 1; i < end; i++ {
|
||
|
|
intv := int8(digits[dec.data[i]])
|
||
|
|
if val > maxInt8toMultiply {
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(val)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
val = (val << 3) + (val << 1)
|
||
|
|
if math.MaxInt8-val < intv {
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(val)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
val += intv
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
dec.err = dec.makeInvalidUnmarshalErr(val)
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
return val
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add Values functions
|
||
|
|
|
||
|
|
// AddInt decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) AddInt(v *int) error {
|
||
|
|
return dec.Int(v)
|
||
|
|
}
|
||
|
|
|
||
|
|
// AddIntNull decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int, an InvalidUnmarshalError error will be returned.
|
||
|
|
// If a `null` is encountered, gojay does not change the value of the pointer.
|
||
|
|
func (dec *Decoder) AddIntNull(v **int) error {
|
||
|
|
return dec.IntNull(v)
|
||
|
|
}
|
||
|
|
|
||
|
|
// AddInt8 decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int8, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) AddInt8(v *int8) error {
|
||
|
|
return dec.Int8(v)
|
||
|
|
}
|
||
|
|
|
||
|
|
// AddInt8Null decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int8, an InvalidUnmarshalError error will be returned.
|
||
|
|
// If a `null` is encountered, gojay does not change the value of the pointer.
|
||
|
|
func (dec *Decoder) AddInt8Null(v **int8) error {
|
||
|
|
return dec.Int8Null(v)
|
||
|
|
}
|
||
|
|
|
||
|
|
// AddInt16 decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int16, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) AddInt16(v *int16) error {
|
||
|
|
return dec.Int16(v)
|
||
|
|
}
|
||
|
|
|
||
|
|
// AddInt16Null decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int16, an InvalidUnmarshalError error will be returned.
|
||
|
|
// If a `null` is encountered, gojay does not change the value of the pointer.
|
||
|
|
func (dec *Decoder) AddInt16Null(v **int16) error {
|
||
|
|
return dec.Int16Null(v)
|
||
|
|
}
|
||
|
|
|
||
|
|
// AddInt32 decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int32, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) AddInt32(v *int32) error {
|
||
|
|
return dec.Int32(v)
|
||
|
|
}
|
||
|
|
|
||
|
|
// AddInt32Null decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int32, an InvalidUnmarshalError error will be returned.
|
||
|
|
// If a `null` is encountered, gojay does not change the value of the pointer.
|
||
|
|
func (dec *Decoder) AddInt32Null(v **int32) error {
|
||
|
|
return dec.Int32Null(v)
|
||
|
|
}
|
||
|
|
|
||
|
|
// AddInt64 decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int64, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) AddInt64(v *int64) error {
|
||
|
|
return dec.Int64(v)
|
||
|
|
}
|
||
|
|
|
||
|
|
// AddInt64Null decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int64, an InvalidUnmarshalError error will be returned.
|
||
|
|
// If a `null` is encountered, gojay does not change the value of the pointer.
|
||
|
|
func (dec *Decoder) AddInt64Null(v **int64) error {
|
||
|
|
return dec.Int64Null(v)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Int decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) Int(v *int) error {
|
||
|
|
err := dec.decodeInt(v)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
dec.called |= 1
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// IntNull decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) IntNull(v **int) error {
|
||
|
|
err := dec.decodeIntNull(v)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
dec.called |= 1
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Int8 decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int8, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) Int8(v *int8) error {
|
||
|
|
err := dec.decodeInt8(v)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
dec.called |= 1
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Int8Null decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int8, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) Int8Null(v **int8) error {
|
||
|
|
err := dec.decodeInt8Null(v)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
dec.called |= 1
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Int16 decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int16, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) Int16(v *int16) error {
|
||
|
|
err := dec.decodeInt16(v)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
dec.called |= 1
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Int16Null decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int16, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) Int16Null(v **int16) error {
|
||
|
|
err := dec.decodeInt16Null(v)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
dec.called |= 1
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Int32 decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int32, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) Int32(v *int32) error {
|
||
|
|
err := dec.decodeInt32(v)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
dec.called |= 1
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Int32Null decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int32, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) Int32Null(v **int32) error {
|
||
|
|
err := dec.decodeInt32Null(v)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
dec.called |= 1
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Int64 decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int64, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) Int64(v *int64) error {
|
||
|
|
err := dec.decodeInt64(v)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
dec.called |= 1
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Int64Null decodes the JSON value within an object or an array to an *int.
|
||
|
|
// If next key value overflows int64, an InvalidUnmarshalError error will be returned.
|
||
|
|
func (dec *Decoder) Int64Null(v **int64) error {
|
||
|
|
err := dec.decodeInt64Null(v)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
dec.called |= 1
|
||
|
|
return nil
|
||
|
|
}
|