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path: root/vendor/github.com/goccy/go-json/internal/encoder/int.go
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Diffstat (limited to 'vendor/github.com/goccy/go-json/internal/encoder/int.go')
-rw-r--r--vendor/github.com/goccy/go-json/internal/encoder/int.go130
1 files changed, 0 insertions, 130 deletions
diff --git a/vendor/github.com/goccy/go-json/internal/encoder/int.go b/vendor/github.com/goccy/go-json/internal/encoder/int.go
deleted file mode 100644
index 3a3482d5b..000000000
--- a/vendor/github.com/goccy/go-json/internal/encoder/int.go
+++ /dev/null
@@ -1,130 +0,0 @@
-package encoder
-
-import (
- "unsafe"
-)
-
-var endianness int
-
-func init() {
- var b [2]byte
- *(*uint16)(unsafe.Pointer(&b)) = uint16(0xABCD)
-
- switch b[0] {
- case 0xCD:
- endianness = 0 // LE
- case 0xAB:
- endianness = 1 // BE
- default:
- panic("could not determine endianness")
- }
-}
-
-// "00010203...96979899" cast to []uint16
-var intLELookup = [100]uint16{
- 0x3030, 0x3130, 0x3230, 0x3330, 0x3430, 0x3530, 0x3630, 0x3730, 0x3830, 0x3930,
- 0x3031, 0x3131, 0x3231, 0x3331, 0x3431, 0x3531, 0x3631, 0x3731, 0x3831, 0x3931,
- 0x3032, 0x3132, 0x3232, 0x3332, 0x3432, 0x3532, 0x3632, 0x3732, 0x3832, 0x3932,
- 0x3033, 0x3133, 0x3233, 0x3333, 0x3433, 0x3533, 0x3633, 0x3733, 0x3833, 0x3933,
- 0x3034, 0x3134, 0x3234, 0x3334, 0x3434, 0x3534, 0x3634, 0x3734, 0x3834, 0x3934,
- 0x3035, 0x3135, 0x3235, 0x3335, 0x3435, 0x3535, 0x3635, 0x3735, 0x3835, 0x3935,
- 0x3036, 0x3136, 0x3236, 0x3336, 0x3436, 0x3536, 0x3636, 0x3736, 0x3836, 0x3936,
- 0x3037, 0x3137, 0x3237, 0x3337, 0x3437, 0x3537, 0x3637, 0x3737, 0x3837, 0x3937,
- 0x3038, 0x3138, 0x3238, 0x3338, 0x3438, 0x3538, 0x3638, 0x3738, 0x3838, 0x3938,
- 0x3039, 0x3139, 0x3239, 0x3339, 0x3439, 0x3539, 0x3639, 0x3739, 0x3839, 0x3939,
-}
-
-var intBELookup = [100]uint16{
- 0x3030, 0x3031, 0x3032, 0x3033, 0x3034, 0x3035, 0x3036, 0x3037, 0x3038, 0x3039,
- 0x3130, 0x3131, 0x3132, 0x3133, 0x3134, 0x3135, 0x3136, 0x3137, 0x3138, 0x3139,
- 0x3230, 0x3231, 0x3232, 0x3233, 0x3234, 0x3235, 0x3236, 0x3237, 0x3238, 0x3239,
- 0x3330, 0x3331, 0x3332, 0x3333, 0x3334, 0x3335, 0x3336, 0x3337, 0x3338, 0x3339,
- 0x3430, 0x3431, 0x3432, 0x3433, 0x3434, 0x3435, 0x3436, 0x3437, 0x3438, 0x3439,
- 0x3530, 0x3531, 0x3532, 0x3533, 0x3534, 0x3535, 0x3536, 0x3537, 0x3538, 0x3539,
- 0x3630, 0x3631, 0x3632, 0x3633, 0x3634, 0x3635, 0x3636, 0x3637, 0x3638, 0x3639,
- 0x3730, 0x3731, 0x3732, 0x3733, 0x3734, 0x3735, 0x3736, 0x3737, 0x3738, 0x3739,
- 0x3830, 0x3831, 0x3832, 0x3833, 0x3834, 0x3835, 0x3836, 0x3837, 0x3838, 0x3839,
- 0x3930, 0x3931, 0x3932, 0x3933, 0x3934, 0x3935, 0x3936, 0x3937, 0x3938, 0x3939,
-}
-
-var intLookup = [2]*[100]uint16{&intLELookup, &intBELookup}
-
-func numMask(numBitSize uint8) uint64 {
- return 1<<numBitSize - 1
-}
-
-func AppendInt(_ *RuntimeContext, out []byte, u64 uint64, code *Opcode) []byte {
- mask := numMask(code.NumBitSize)
- n := u64 & mask
- negative := (u64>>(code.NumBitSize-1))&1 == 1
- if !negative {
- if n < 10 {
- return append(out, byte(n+'0'))
- } else if n < 100 {
- u := intLELookup[n]
- return append(out, byte(u), byte(u>>8))
- }
- } else {
- n = -n & mask
- }
-
- lookup := intLookup[endianness]
-
- var b [22]byte
- u := (*[11]uint16)(unsafe.Pointer(&b))
- i := 11
-
- for n >= 100 {
- j := n % 100
- n /= 100
- i--
- u[i] = lookup[j]
- }
-
- i--
- u[i] = lookup[n]
-
- i *= 2 // convert to byte index
- if n < 10 {
- i++ // remove leading zero
- }
- if negative {
- i--
- b[i] = '-'
- }
-
- return append(out, b[i:]...)
-}
-
-func AppendUint(_ *RuntimeContext, out []byte, u64 uint64, code *Opcode) []byte {
- mask := numMask(code.NumBitSize)
- n := u64 & mask
- if n < 10 {
- return append(out, byte(n+'0'))
- } else if n < 100 {
- u := intLELookup[n]
- return append(out, byte(u), byte(u>>8))
- }
-
- lookup := intLookup[endianness]
-
- var b [22]byte
- u := (*[11]uint16)(unsafe.Pointer(&b))
- i := 11
-
- for n >= 100 {
- j := n % 100
- n /= 100
- i--
- u[i] = lookup[j]
- }
-
- i--
- u[i] = lookup[n]
-
- i *= 2 // convert to byte index
- if n < 10 {
- i++ // remove leading zero
- }
- return append(out, b[i:]...)
-}