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Diffstat (limited to 'vendor/github.com/goccy/go-json/internal/decoder/uint.go')
-rw-r--r--vendor/github.com/goccy/go-json/internal/decoder/uint.go190
1 files changed, 0 insertions, 190 deletions
diff --git a/vendor/github.com/goccy/go-json/internal/decoder/uint.go b/vendor/github.com/goccy/go-json/internal/decoder/uint.go
deleted file mode 100644
index a62c51492..000000000
--- a/vendor/github.com/goccy/go-json/internal/decoder/uint.go
+++ /dev/null
@@ -1,190 +0,0 @@
-package decoder
-
-import (
- "fmt"
- "reflect"
- "unsafe"
-
- "github.com/goccy/go-json/internal/errors"
- "github.com/goccy/go-json/internal/runtime"
-)
-
-type uintDecoder struct {
- typ *runtime.Type
- kind reflect.Kind
- op func(unsafe.Pointer, uint64)
- structName string
- fieldName string
-}
-
-func newUintDecoder(typ *runtime.Type, structName, fieldName string, op func(unsafe.Pointer, uint64)) *uintDecoder {
- return &uintDecoder{
- typ: typ,
- kind: typ.Kind(),
- op: op,
- structName: structName,
- fieldName: fieldName,
- }
-}
-
-func (d *uintDecoder) typeError(buf []byte, offset int64) *errors.UnmarshalTypeError {
- return &errors.UnmarshalTypeError{
- Value: fmt.Sprintf("number %s", string(buf)),
- Type: runtime.RType2Type(d.typ),
- Offset: offset,
- }
-}
-
-var (
- pow10u64 = [...]uint64{
- 1e00, 1e01, 1e02, 1e03, 1e04, 1e05, 1e06, 1e07, 1e08, 1e09,
- 1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19,
- }
- pow10u64Len = len(pow10u64)
-)
-
-func (d *uintDecoder) parseUint(b []byte) (uint64, error) {
- maxDigit := len(b)
- if maxDigit > pow10u64Len {
- return 0, fmt.Errorf("invalid length of number")
- }
- sum := uint64(0)
- for i := 0; i < maxDigit; i++ {
- c := uint64(b[i]) - 48
- digitValue := pow10u64[maxDigit-i-1]
- sum += c * digitValue
- }
- return sum, nil
-}
-
-func (d *uintDecoder) decodeStreamByte(s *Stream) ([]byte, error) {
- for {
- switch s.char() {
- case ' ', '\n', '\t', '\r':
- s.cursor++
- continue
- case '0':
- s.cursor++
- return numZeroBuf, nil
- case '1', '2', '3', '4', '5', '6', '7', '8', '9':
- start := s.cursor
- for {
- s.cursor++
- if numTable[s.char()] {
- continue
- } else if s.char() == nul {
- if s.read() {
- s.cursor-- // for retry current character
- continue
- }
- }
- break
- }
- num := s.buf[start:s.cursor]
- return num, nil
- case 'n':
- if err := nullBytes(s); err != nil {
- return nil, err
- }
- return nil, nil
- case nul:
- if s.read() {
- continue
- }
- default:
- return nil, d.typeError([]byte{s.char()}, s.totalOffset())
- }
- break
- }
- return nil, errors.ErrUnexpectedEndOfJSON("number(unsigned integer)", s.totalOffset())
-}
-
-func (d *uintDecoder) decodeByte(buf []byte, cursor int64) ([]byte, int64, error) {
- for {
- switch buf[cursor] {
- case ' ', '\n', '\t', '\r':
- cursor++
- continue
- case '0':
- cursor++
- return numZeroBuf, cursor, nil
- case '1', '2', '3', '4', '5', '6', '7', '8', '9':
- start := cursor
- cursor++
- for numTable[buf[cursor]] {
- cursor++
- }
- num := buf[start:cursor]
- return num, cursor, nil
- case 'n':
- if err := validateNull(buf, cursor); err != nil {
- return nil, 0, err
- }
- cursor += 4
- return nil, cursor, nil
- default:
- return nil, 0, d.typeError([]byte{buf[cursor]}, cursor)
- }
- }
-}
-
-func (d *uintDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
- bytes, err := d.decodeStreamByte(s)
- if err != nil {
- return err
- }
- if bytes == nil {
- return nil
- }
- u64, err := d.parseUint(bytes)
- if err != nil {
- return d.typeError(bytes, s.totalOffset())
- }
- switch d.kind {
- case reflect.Uint8:
- if (1 << 8) <= u64 {
- return d.typeError(bytes, s.totalOffset())
- }
- case reflect.Uint16:
- if (1 << 16) <= u64 {
- return d.typeError(bytes, s.totalOffset())
- }
- case reflect.Uint32:
- if (1 << 32) <= u64 {
- return d.typeError(bytes, s.totalOffset())
- }
- }
- d.op(p, u64)
- return nil
-}
-
-func (d *uintDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
- bytes, c, err := d.decodeByte(ctx.Buf, cursor)
- if err != nil {
- return 0, err
- }
- if bytes == nil {
- return c, nil
- }
- cursor = c
- u64, err := d.parseUint(bytes)
- if err != nil {
- return 0, d.typeError(bytes, cursor)
- }
- switch d.kind {
- case reflect.Uint8:
- if (1 << 8) <= u64 {
- return 0, d.typeError(bytes, cursor)
- }
- case reflect.Uint16:
- if (1 << 16) <= u64 {
- return 0, d.typeError(bytes, cursor)
- }
- case reflect.Uint32:
- if (1 << 32) <= u64 {
- return 0, d.typeError(bytes, cursor)
- }
- }
- d.op(p, u64)
- return cursor, nil
-}