diff options
Diffstat (limited to 'vendor/github.com/francoispqt/gojay/decode_number_uint.go')
| -rw-r--r-- | vendor/github.com/francoispqt/gojay/decode_number_uint.go | 715 |
1 files changed, 715 insertions, 0 deletions
diff --git a/vendor/github.com/francoispqt/gojay/decode_number_uint.go b/vendor/github.com/francoispqt/gojay/decode_number_uint.go new file mode 100644 index 00000000..b57ef7ab --- /dev/null +++ b/vendor/github.com/francoispqt/gojay/decode_number_uint.go @@ -0,0 +1,715 @@ +package gojay + +import ( + "math" +) + +// DecodeUint8 reads the next JSON-encoded value from the decoder's input (io.Reader) and stores it in the uint8 pointed to by v. +// +// See the documentation for Unmarshal for details about the conversion of JSON into a Go value. +func (dec *Decoder) DecodeUint8(v *uint8) error { + if dec.isPooled == 1 { + panic(InvalidUsagePooledDecoderError("Invalid usage of pooled decoder")) + } + return dec.decodeUint8(v) +} + +func (dec *Decoder) decodeUint8(v *uint8) 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.getUint8() + if err != nil { + return err + } + *v = val + return nil + case '-': // if negative, we just set it to 0 and set error + dec.err = dec.makeInvalidUnmarshalErr(v) + err := dec.skipData() + if err != nil { + return err + } + 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) decodeUint8Null(v **uint8) 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.getUint8() + if err != nil { + return err + } + if *v == nil { + *v = new(uint8) + } + **v = val + return nil + case '-': // if negative, we just set it to 0 and set error + dec.err = dec.makeInvalidUnmarshalErr(v) + err := dec.skipData() + if err != nil { + return err + } + if *v == nil { + *v = new(uint8) + } + 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) getUint8() (uint8, 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 ' ', '\n', '\t', '\r': + continue + case '.', ',', '}', ']': + dec.cursor = j + return dec.atoui8(start, end), nil + } + // invalid json we expect numbers, dot (single one), comma, or spaces + return 0, dec.raiseInvalidJSONErr(dec.cursor) + } + return dec.atoui8(start, end), nil +} + +// DecodeUint16 reads the next JSON-encoded value from the decoder's input (io.Reader) and stores it in the uint16 pointed to by v. +// +// See the documentation for Unmarshal for details about the conversion of JSON into a Go value. +func (dec *Decoder) DecodeUint16(v *uint16) error { + if dec.isPooled == 1 { + panic(InvalidUsagePooledDecoderError("Invalid usage of pooled decoder")) + } + return dec.decodeUint16(v) +} + +func (dec *Decoder) decodeUint16(v *uint16) 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.getUint16() + if err != nil { + return err + } + *v = val + return nil + case '-': + dec.err = dec.makeInvalidUnmarshalErr(v) + err := dec.skipData() + if err != nil { + return err + } + 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) decodeUint16Null(v **uint16) 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.getUint16() + if err != nil { + return err + } + if *v == nil { + *v = new(uint16) + } + **v = val + return nil + case '-': + dec.err = dec.makeInvalidUnmarshalErr(v) + err := dec.skipData() + if err != nil { + return err + } + if *v == nil { + *v = new(uint16) + } + 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) getUint16() (uint16, 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 ' ', '\n', '\t', '\r': + continue + case '.', ',', '}', ']': + dec.cursor = j + return dec.atoui16(start, end), nil + } + // invalid json we expect numbers, dot (single one), comma, or spaces + return 0, dec.raiseInvalidJSONErr(dec.cursor) + } + return dec.atoui16(start, end), nil +} + +// DecodeUint32 reads the next JSON-encoded value from the decoder's input (io.Reader) and stores it in the uint32 pointed to by v. +// +// See the documentation for Unmarshal for details about the conversion of JSON into a Go value. +func (dec *Decoder) DecodeUint32(v *uint32) error { + if dec.isPooled == 1 { + panic(InvalidUsagePooledDecoderError("Invalid usage of pooled decoder")) + } + return dec.decodeUint32(v) +} + +func (dec *Decoder) decodeUint32(v *uint32) 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.getUint32() + if err != nil { + return err + } + *v = val + return nil + case '-': + dec.err = dec.makeInvalidUnmarshalErr(v) + err := dec.skipData() + if err != nil { + return err + } + 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) decodeUint32Null(v **uint32) 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.getUint32() + if err != nil { + return err + } + if *v == nil { + *v = new(uint32) + } + **v = val + return nil + case '-': + dec.err = dec.makeInvalidUnmarshalErr(v) + err := dec.skipData() + if err != nil { + return err + } + if *v == nil { + *v = new(uint32) + } + 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) getUint32() (uint32, 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 ' ', '\n', '\t', '\r': + continue + case '.', ',', '}', ']': + dec.cursor = j + return dec.atoui32(start, end), nil + } + // invalid json we expect numbers, dot (single one), comma, or spaces + return 0, dec.raiseInvalidJSONErr(dec.cursor) + } + return dec.atoui32(start, end), nil +} + +// DecodeUint64 reads the next JSON-encoded value from the decoder's input (io.Reader) and stores it in the uint64 pointed to by v. +// +// See the documentation for Unmarshal for details about the conversion of JSON into a Go value. +func (dec *Decoder) DecodeUint64(v *uint64) error { + if dec.isPooled == 1 { + panic(InvalidUsagePooledDecoderError("Invalid usage of pooled decoder")) + } + return dec.decodeUint64(v) +} +func (dec *Decoder) decodeUint64(v *uint64) 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.getUint64() + if err != nil { + return err + } + *v = val + return nil + case '-': + dec.err = dec.makeInvalidUnmarshalErr(v) + err := dec.skipData() + if err != nil { + return err + } + 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) decodeUint64Null(v **uint64) 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.getUint64() + if err != nil { + return err + } + if *v == nil { + *v = new(uint64) + } + **v = val + return nil + case '-': + dec.err = dec.makeInvalidUnmarshalErr(v) + err := dec.skipData() + if err != nil { + return err + } + if *v == nil { + *v = new(uint64) + } + 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) getUint64() (uint64, 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 ' ', '\n', '\t', '\r', '.', ',', '}', ']': + dec.cursor = j + return dec.atoui64(start, end), nil + } + // invalid json we expect numbers, dot (single one), comma, or spaces + return 0, dec.raiseInvalidJSONErr(dec.cursor) + } + return dec.atoui64(start, end), nil +} + +func (dec *Decoder) atoui64(start, end int) uint64 { + var ll = end + 1 - start + var val = uint64(digits[dec.data[start]]) + end = end + 1 + if ll < maxUint64Length { + for i := start + 1; i < end; i++ { + uintv := uint64(digits[dec.data[i]]) + val = (val << 3) + (val << 1) + uintv + } + } else if ll == maxUint64Length { + for i := start + 1; i < end; i++ { + uintv := uint64(digits[dec.data[i]]) + if val > maxUint64toMultiply { + dec.err = dec.makeInvalidUnmarshalErr(val) + return 0 + } + val = (val << 3) + (val << 1) + if math.MaxUint64-val < uintv { + dec.err = dec.makeInvalidUnmarshalErr(val) + return 0 + } + val += uintv + } + } else { + dec.err = dec.makeInvalidUnmarshalErr(val) + return 0 + } + return val +} + +func (dec *Decoder) atoui32(start, end int) uint32 { + var ll = end + 1 - start + var val uint32 + val = uint32(digits[dec.data[start]]) + end = end + 1 + if ll < maxUint32Length { + for i := start + 1; i < end; i++ { + uintv := uint32(digits[dec.data[i]]) + val = (val << 3) + (val << 1) + uintv + } + } else if ll == maxUint32Length { + for i := start + 1; i < end; i++ { + uintv := uint32(digits[dec.data[i]]) + if val > maxUint32toMultiply { + dec.err = dec.makeInvalidUnmarshalErr(val) + return 0 + } + val = (val << 3) + (val << 1) + if math.MaxUint32-val < uintv { + dec.err = dec.makeInvalidUnmarshalErr(val) + return 0 + } + val += uintv + } + } else if ll > maxUint32Length { + dec.err = dec.makeInvalidUnmarshalErr(val) + val = 0 + } + return val +} + +func (dec *Decoder) atoui16(start, end int) uint16 { + var ll = end + 1 - start + var val uint16 + val = uint16(digits[dec.data[start]]) + end = end + 1 + if ll < maxUint16Length { + for i := start + 1; i < end; i++ { + uintv := uint16(digits[dec.data[i]]) + val = (val << 3) + (val << 1) + uintv + } + } else if ll == maxUint16Length { + for i := start + 1; i < end; i++ { + uintv := uint16(digits[dec.data[i]]) + if val > maxUint16toMultiply { + dec.err = dec.makeInvalidUnmarshalErr(val) + return 0 + } + val = (val << 3) + (val << 1) + if math.MaxUint16-val < uintv { + dec.err = dec.makeInvalidUnmarshalErr(val) + return 0 + } + val += uintv + } + } else if ll > maxUint16Length { + dec.err = dec.makeInvalidUnmarshalErr(val) + val = 0 + } + return val +} + +func (dec *Decoder) atoui8(start, end int) uint8 { + var ll = end + 1 - start + var val uint8 + val = uint8(digits[dec.data[start]]) + end = end + 1 + if ll < maxUint8Length { + for i := start + 1; i < end; i++ { + uintv := uint8(digits[dec.data[i]]) + val = (val << 3) + (val << 1) + uintv + } + } else if ll == maxUint8Length { + for i := start + 1; i < end; i++ { + uintv := uint8(digits[dec.data[i]]) + if val > maxUint8toMultiply { + dec.err = dec.makeInvalidUnmarshalErr(val) + return 0 + } + val = (val << 3) + (val << 1) + if math.MaxUint8-val < uintv { + dec.err = dec.makeInvalidUnmarshalErr(val) + return 0 + } + val += uintv + } + } else if ll > maxUint8Length { + dec.err = dec.makeInvalidUnmarshalErr(val) + val = 0 + } + return val +} + +// Add Values functions + +// AddUint8 decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint8, an InvalidUnmarshalError error will be returned. +func (dec *Decoder) AddUint8(v *uint8) error { + return dec.Uint8(v) +} + +// AddUint8Null decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint8, an InvalidUnmarshalError error will be returned. +// If a `null` is encountered, gojay does not change the value of the pointer. +func (dec *Decoder) AddUint8Null(v **uint8) error { + return dec.Uint8Null(v) +} + +// AddUint16 decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint16, an InvalidUnmarshalError error will be returned. +func (dec *Decoder) AddUint16(v *uint16) error { + return dec.Uint16(v) +} + +// AddUint16Null decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint16, an InvalidUnmarshalError error will be returned. +// If a `null` is encountered, gojay does not change the value of the pointer. +func (dec *Decoder) AddUint16Null(v **uint16) error { + return dec.Uint16Null(v) +} + +// AddUint32 decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint32, an InvalidUnmarshalError error will be returned. +func (dec *Decoder) AddUint32(v *uint32) error { + return dec.Uint32(v) +} + +// AddUint32Null decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint32, an InvalidUnmarshalError error will be returned. +// If a `null` is encountered, gojay does not change the value of the pointer. +func (dec *Decoder) AddUint32Null(v **uint32) error { + return dec.Uint32Null(v) +} + +// AddUint64 decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint64, an InvalidUnmarshalError error will be returned. +func (dec *Decoder) AddUint64(v *uint64) error { + return dec.Uint64(v) +} + +// AddUint64Null decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint64, an InvalidUnmarshalError error will be returned. +// If a `null` is encountered, gojay does not change the value of the pointer. +func (dec *Decoder) AddUint64Null(v **uint64) error { + return dec.Uint64Null(v) +} + +// Uint8 decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint8, an InvalidUnmarshalError error will be returned. +func (dec *Decoder) Uint8(v *uint8) error { + err := dec.decodeUint8(v) + if err != nil { + return err + } + dec.called |= 1 + return nil +} + +// Uint8Null decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint8, an InvalidUnmarshalError error will be returned. +func (dec *Decoder) Uint8Null(v **uint8) error { + err := dec.decodeUint8Null(v) + if err != nil { + return err + } + dec.called |= 1 + return nil +} + +// Uint16 decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint16, an InvalidUnmarshalError error will be returned. +func (dec *Decoder) Uint16(v *uint16) error { + err := dec.decodeUint16(v) + if err != nil { + return err + } + dec.called |= 1 + return nil +} + +// Uint16Null decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint16, an InvalidUnmarshalError error will be returned. +func (dec *Decoder) Uint16Null(v **uint16) error { + err := dec.decodeUint16Null(v) + if err != nil { + return err + } + dec.called |= 1 + return nil +} + +// Uint32 decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint32, an InvalidUnmarshalError error will be returned. +func (dec *Decoder) Uint32(v *uint32) error { + err := dec.decodeUint32(v) + if err != nil { + return err + } + dec.called |= 1 + return nil +} + +// Uint32Null decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint32, an InvalidUnmarshalError error will be returned. +func (dec *Decoder) Uint32Null(v **uint32) error { + err := dec.decodeUint32Null(v) + if err != nil { + return err + } + dec.called |= 1 + return nil +} + +// Uint64 decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint64, an InvalidUnmarshalError error will be returned. +func (dec *Decoder) Uint64(v *uint64) error { + err := dec.decodeUint64(v) + if err != nil { + return err + } + dec.called |= 1 + return nil +} + +// Uint64Null decodes the JSON value within an object or an array to an *int. +// If next key value overflows uint64, an InvalidUnmarshalError error will be returned. +func (dec *Decoder) Uint64Null(v **uint64) error { + err := dec.decodeUint64Null(v) + if err != nil { + return err + } + dec.called |= 1 + return nil +} |