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mirror of https://github.com/json-iterator/go.git synced 2025-06-15 22:50:24 +02:00
This commit is contained in:
Tao Wen
2017-06-06 23:27:00 +08:00
parent 925df245d3
commit cfffa29c8a
43 changed files with 283 additions and 290 deletions

View File

@ -5,7 +5,7 @@ var DIGITS []uint32
func init() {
DIGITS = make([]uint32, 1000)
for i := uint32(0); i < 1000; i++ {
DIGITS[i] = (((i / 100) + '0') << 16) + ((((i / 10) % 10) + '0') << 8) + i % 10 + '0';
DIGITS[i] = (((i / 100) + '0') << 16) + ((((i / 10) % 10) + '0') << 8) + i%10 + '0'
if i < 10 {
DIGITS[i] += 2 << 24
} else if i < 100 {
@ -32,8 +32,8 @@ func writeFirstBuf(buf []byte, v uint32, n int) int {
func writeBuf(buf []byte, v uint32, n int) {
buf[n] = byte(v >> 16)
buf[n + 1] = byte(v >> 8)
buf[n + 2] = byte(v)
buf[n+1] = byte(v >> 8)
buf[n+2] = byte(v)
}
func (stream *Stream) WriteUint8(val uint8) {
@ -62,7 +62,7 @@ func (stream *Stream) WriteUint16(val uint16) {
stream.n = writeFirstBuf(stream.buf, DIGITS[val], stream.n)
return
}
r1 := val - q1 * 1000
r1 := val - q1*1000
n := writeFirstBuf(stream.buf, DIGITS[q1], stream.n)
writeBuf(stream.buf, DIGITS[r1], n)
stream.n = n + 3
@ -85,7 +85,7 @@ func (stream *Stream) WriteInt16(nval int16) {
stream.n = writeFirstBuf(stream.buf, DIGITS[val], n)
return
}
r1 := val - q1 * 1000
r1 := val - q1*1000
n = writeFirstBuf(stream.buf, DIGITS[q1], n)
writeBuf(stream.buf, DIGITS[r1], n)
stream.n = n + 3
@ -100,7 +100,7 @@ func (stream *Stream) WriteUint32(val uint32) {
stream.n = writeFirstBuf(stream.buf, DIGITS[val], n)
return
}
r1 := val - q1 * 1000
r1 := val - q1*1000
q2 := q1 / 1000
if q2 == 0 {
n := writeFirstBuf(stream.buf, DIGITS[q1], n)
@ -108,19 +108,19 @@ func (stream *Stream) WriteUint32(val uint32) {
stream.n = n + 3
return
}
r2 := q1 - q2 * 1000
r2 := q1 - q2*1000
q3 := q2 / 1000
if q3 == 0 {
n = writeFirstBuf(stream.buf, DIGITS[q2], n)
} else {
r3 := q2 - q3 * 1000
r3 := q2 - q3*1000
stream.buf[n] = byte(q3 + '0')
n++
writeBuf(stream.buf, DIGITS[r3], n)
n += 3
}
writeBuf(stream.buf, DIGITS[r2], n)
writeBuf(stream.buf, DIGITS[r1], n + 3)
writeBuf(stream.buf, DIGITS[r1], n+3)
stream.n = n + 6
}
@ -128,7 +128,7 @@ func (stream *Stream) WriteInt32(nval int32) {
stream.ensure(11)
n := stream.n
var val uint32
if (nval < 0) {
if nval < 0 {
val = uint32(-nval)
stream.buf[n] = '-'
n++
@ -140,7 +140,7 @@ func (stream *Stream) WriteInt32(nval int32) {
stream.n = writeFirstBuf(stream.buf, DIGITS[val], n)
return
}
r1 := val - q1 * 1000
r1 := val - q1*1000
q2 := q1 / 1000
if q2 == 0 {
n := writeFirstBuf(stream.buf, DIGITS[q1], n)
@ -148,19 +148,19 @@ func (stream *Stream) WriteInt32(nval int32) {
stream.n = n + 3
return
}
r2 := q1 - q2 * 1000
r2 := q1 - q2*1000
q3 := q2 / 1000
if q3 == 0 {
n = writeFirstBuf(stream.buf, DIGITS[q2], n)
} else {
r3 := q2 - q3 * 1000
r3 := q2 - q3*1000
stream.buf[n] = byte(q3 + '0')
n++
writeBuf(stream.buf, DIGITS[r3], n)
n += 3
}
writeBuf(stream.buf, DIGITS[r2], n)
writeBuf(stream.buf, DIGITS[r1], n + 3)
writeBuf(stream.buf, DIGITS[r1], n+3)
stream.n = n + 6
}
@ -172,7 +172,7 @@ func (stream *Stream) WriteUint64(val uint64) {
stream.n = writeFirstBuf(stream.buf, DIGITS[val], n)
return
}
r1 := val - q1 * 1000
r1 := val - q1*1000
q2 := q1 / 1000
if q2 == 0 {
n := writeFirstBuf(stream.buf, DIGITS[q1], n)
@ -180,51 +180,51 @@ func (stream *Stream) WriteUint64(val uint64) {
stream.n = n + 3
return
}
r2 := q1 - q2 * 1000
r2 := q1 - q2*1000
q3 := q2 / 1000
if q3 == 0 {
n = writeFirstBuf(stream.buf, DIGITS[q2], n)
writeBuf(stream.buf, DIGITS[r2], n)
writeBuf(stream.buf, DIGITS[r1], n + 3)
writeBuf(stream.buf, DIGITS[r1], n+3)
stream.n = n + 6
return
}
r3 := q2 - q3 * 1000
r3 := q2 - q3*1000
q4 := q3 / 1000
if q4 == 0 {
n = writeFirstBuf(stream.buf, DIGITS[q3], n)
writeBuf(stream.buf, DIGITS[r3], n)
writeBuf(stream.buf, DIGITS[r2], n + 3)
writeBuf(stream.buf, DIGITS[r1], n + 6)
writeBuf(stream.buf, DIGITS[r2], n+3)
writeBuf(stream.buf, DIGITS[r1], n+6)
stream.n = n + 9
return
}
r4 := q3 - q4 * 1000
r4 := q3 - q4*1000
q5 := q4 / 1000
if q5 == 0 {
n = writeFirstBuf(stream.buf, DIGITS[q4], n)
writeBuf(stream.buf, DIGITS[r4], n)
writeBuf(stream.buf, DIGITS[r3], n + 3)
writeBuf(stream.buf, DIGITS[r2], n + 6)
writeBuf(stream.buf, DIGITS[r1], n + 9)
writeBuf(stream.buf, DIGITS[r3], n+3)
writeBuf(stream.buf, DIGITS[r2], n+6)
writeBuf(stream.buf, DIGITS[r1], n+9)
stream.n = n + 12
return
}
r5 := q4 - q5 * 1000
r5 := q4 - q5*1000
q6 := q5 / 1000
if q6 == 0 {
n = writeFirstBuf(stream.buf, DIGITS[q5], n)
} else {
n = writeFirstBuf(stream.buf, DIGITS[q6], n)
r6 := q5 - q6 * 1000
r6 := q5 - q6*1000
writeBuf(stream.buf, DIGITS[r6], n)
n += 3
}
writeBuf(stream.buf, DIGITS[r5], n)
writeBuf(stream.buf, DIGITS[r4], n + 3)
writeBuf(stream.buf, DIGITS[r3], n + 6)
writeBuf(stream.buf, DIGITS[r2], n + 9)
writeBuf(stream.buf, DIGITS[r1], n + 12)
writeBuf(stream.buf, DIGITS[r4], n+3)
writeBuf(stream.buf, DIGITS[r3], n+6)
writeBuf(stream.buf, DIGITS[r2], n+9)
writeBuf(stream.buf, DIGITS[r1], n+12)
stream.n = n + 15
}
@ -232,7 +232,7 @@ func (stream *Stream) WriteInt64(nval int64) {
stream.ensure(20)
n := stream.n
var val uint64
if (nval < 0) {
if nval < 0 {
val = uint64(-nval)
stream.buf[n] = '-'
n++
@ -244,7 +244,7 @@ func (stream *Stream) WriteInt64(nval int64) {
stream.n = writeFirstBuf(stream.buf, DIGITS[val], n)
return
}
r1 := val - q1 * 1000;
r1 := val - q1*1000
q2 := q1 / 1000
if q2 == 0 {
n := writeFirstBuf(stream.buf, DIGITS[q1], n)
@ -252,52 +252,52 @@ func (stream *Stream) WriteInt64(nval int64) {
stream.n = n + 3
return
}
r2 := q1 - q2 * 1000
r2 := q1 - q2*1000
q3 := q2 / 1000
if q3 == 0 {
n = writeFirstBuf(stream.buf, DIGITS[q2], n)
writeBuf(stream.buf, DIGITS[r2], n)
writeBuf(stream.buf, DIGITS[r1], n + 3)
writeBuf(stream.buf, DIGITS[r1], n+3)
stream.n = n + 6
return
}
r3 := q2 - q3 * 1000
r3 := q2 - q3*1000
q4 := q3 / 1000
if q4 == 0 {
n = writeFirstBuf(stream.buf, DIGITS[q3], n)
writeBuf(stream.buf, DIGITS[r3], n)
writeBuf(stream.buf, DIGITS[r2], n + 3)
writeBuf(stream.buf, DIGITS[r1], n + 6)
writeBuf(stream.buf, DIGITS[r2], n+3)
writeBuf(stream.buf, DIGITS[r1], n+6)
stream.n = n + 9
return
}
r4 := q3 - q4 * 1000
r4 := q3 - q4*1000
q5 := q4 / 1000
if q5 == 0 {
n = writeFirstBuf(stream.buf, DIGITS[q4], n)
writeBuf(stream.buf, DIGITS[r4], n)
writeBuf(stream.buf, DIGITS[r3], n + 3)
writeBuf(stream.buf, DIGITS[r2], n + 6)
writeBuf(stream.buf, DIGITS[r1], n + 9)
writeBuf(stream.buf, DIGITS[r3], n+3)
writeBuf(stream.buf, DIGITS[r2], n+6)
writeBuf(stream.buf, DIGITS[r1], n+9)
stream.n = n + 12
return
}
r5 := q4 - q5 * 1000
r5 := q4 - q5*1000
q6 := q5 / 1000
if q6 == 0 {
n = writeFirstBuf(stream.buf, DIGITS[q5], n)
} else {
stream.buf[n] = byte(q6 + '0')
n++
r6 := q5 - q6 * 1000
r6 := q5 - q6*1000
writeBuf(stream.buf, DIGITS[r6], n)
n += 3
}
writeBuf(stream.buf, DIGITS[r5], n)
writeBuf(stream.buf, DIGITS[r4], n + 3)
writeBuf(stream.buf, DIGITS[r3], n + 6)
writeBuf(stream.buf, DIGITS[r2], n + 9)
writeBuf(stream.buf, DIGITS[r1], n + 12)
writeBuf(stream.buf, DIGITS[r4], n+3)
writeBuf(stream.buf, DIGITS[r3], n+6)
writeBuf(stream.buf, DIGITS[r2], n+9)
writeBuf(stream.buf, DIGITS[r1], n+12)
stream.n = n + 15
}
@ -307,4 +307,4 @@ func (stream *Stream) WriteInt(val int) {
func (stream *Stream) WriteUint(val uint) {
stream.WriteUint64(uint64(val))
}
}