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https://github.com/json-iterator/go.git
synced 2025-07-03 23:30:41 +02:00
remove n from stream
This commit is contained in:
Tao Wen
@ -14,299 +14,169 @@ func init() {
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}
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}
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func writeFirstBuf(buf []byte, v uint32, n int) int {
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func writeFirstBuf(space []byte, v uint32) []byte {
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start := v >> 24
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if start == 0 {
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buf[n] = byte(v >> 16)
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n++
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buf[n] = byte(v >> 8)
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n++
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space = append(space, byte(v >> 16), byte(v >> 8))
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} else if start == 1 {
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buf[n] = byte(v >> 8)
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n++
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space = append(space, byte(v >> 8))
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}
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buf[n] = byte(v)
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n++
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return n
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space = append(space, byte(v))
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return space
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}
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func writeBuf(buf []byte, v uint32, n int) {
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buf[n] = byte(v >> 16)
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buf[n+1] = byte(v >> 8)
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buf[n+2] = byte(v)
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func writeBuf(buf []byte, v uint32) []byte {
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return append(buf, byte(v >> 16), byte(v >> 8), byte(v))
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}
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// WriteUint8 write uint8 to stream
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func (stream *Stream) WriteUint8(val uint8) {
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stream.ensure(3)
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stream.n = writeFirstBuf(stream.buf, digits[val], stream.n)
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stream.buf = writeFirstBuf(stream.buf, digits[val])
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}
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// WriteInt8 write int8 to stream
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func (stream *Stream) WriteInt8(nval int8) {
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stream.ensure(4)
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n := stream.n
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var val uint8
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if nval < 0 {
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val = uint8(-nval)
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stream.buf[n] = '-'
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n++
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stream.buf = append(stream.buf, '-')
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} else {
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val = uint8(nval)
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}
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stream.n = writeFirstBuf(stream.buf, digits[val], n)
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stream.buf = writeFirstBuf(stream.buf, digits[val])
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}
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// WriteUint16 write uint16 to stream
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func (stream *Stream) WriteUint16(val uint16) {
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stream.ensure(5)
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q1 := val / 1000
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if q1 == 0 {
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stream.n = writeFirstBuf(stream.buf, digits[val], stream.n)
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stream.buf = writeFirstBuf(stream.buf, digits[val])
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return
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}
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r1 := val - q1*1000
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n := writeFirstBuf(stream.buf, digits[q1], stream.n)
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writeBuf(stream.buf, digits[r1], n)
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stream.n = n + 3
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stream.buf = writeFirstBuf(stream.buf, digits[q1])
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stream.buf = writeBuf(stream.buf, digits[r1])
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return
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}
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// WriteInt16 write int16 to stream
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func (stream *Stream) WriteInt16(nval int16) {
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stream.ensure(6)
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n := stream.n
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var val uint16
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if nval < 0 {
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val = uint16(-nval)
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stream.buf[n] = '-'
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n++
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stream.buf = append(stream.buf, '-')
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} else {
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val = uint16(nval)
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}
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q1 := val / 1000
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if q1 == 0 {
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stream.n = writeFirstBuf(stream.buf, digits[val], n)
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return
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}
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r1 := val - q1*1000
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n = writeFirstBuf(stream.buf, digits[q1], n)
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writeBuf(stream.buf, digits[r1], n)
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stream.n = n + 3
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return
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stream.WriteUint16(val)
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}
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// WriteUint32 write uint32 to stream
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func (stream *Stream) WriteUint32(val uint32) {
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stream.ensure(10)
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n := stream.n
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q1 := val / 1000
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if q1 == 0 {
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stream.n = writeFirstBuf(stream.buf, digits[val], n)
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stream.buf = writeFirstBuf(stream.buf, digits[val])
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return
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}
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r1 := val - q1*1000
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q2 := q1 / 1000
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if q2 == 0 {
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n := writeFirstBuf(stream.buf, digits[q1], n)
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writeBuf(stream.buf, digits[r1], n)
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stream.n = n + 3
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stream.buf = writeFirstBuf(stream.buf, digits[q1])
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stream.buf = writeBuf(stream.buf, digits[r1])
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return
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}
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r2 := q1 - q2*1000
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q3 := q2 / 1000
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if q3 == 0 {
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n = writeFirstBuf(stream.buf, digits[q2], n)
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stream.buf = writeFirstBuf(stream.buf, digits[q2])
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} else {
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r3 := q2 - q3*1000
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stream.buf[n] = byte(q3 + '0')
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n++
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writeBuf(stream.buf, digits[r3], n)
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n += 3
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stream.buf = append(stream.buf, byte(q3 + '0'))
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stream.buf = writeBuf(stream.buf, digits[r3])
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}
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writeBuf(stream.buf, digits[r2], n)
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writeBuf(stream.buf, digits[r1], n+3)
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stream.n = n + 6
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stream.buf = writeBuf(stream.buf, digits[r2])
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stream.buf = writeBuf(stream.buf, digits[r1])
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}
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// WriteInt32 write int32 to stream
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func (stream *Stream) WriteInt32(nval int32) {
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stream.ensure(11)
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n := stream.n
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var val uint32
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if nval < 0 {
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val = uint32(-nval)
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stream.buf[n] = '-'
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n++
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stream.buf = append(stream.buf, '-')
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} else {
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val = uint32(nval)
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}
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q1 := val / 1000
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if q1 == 0 {
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stream.n = writeFirstBuf(stream.buf, digits[val], n)
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return
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}
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r1 := val - q1*1000
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q2 := q1 / 1000
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if q2 == 0 {
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n := writeFirstBuf(stream.buf, digits[q1], n)
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writeBuf(stream.buf, digits[r1], n)
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stream.n = n + 3
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return
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}
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r2 := q1 - q2*1000
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q3 := q2 / 1000
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if q3 == 0 {
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n = writeFirstBuf(stream.buf, digits[q2], n)
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} else {
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r3 := q2 - q3*1000
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stream.buf[n] = byte(q3 + '0')
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n++
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writeBuf(stream.buf, digits[r3], n)
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n += 3
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}
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writeBuf(stream.buf, digits[r2], n)
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writeBuf(stream.buf, digits[r1], n+3)
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stream.n = n + 6
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stream.WriteUint32(val)
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}
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// WriteUint64 write uint64 to stream
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func (stream *Stream) WriteUint64(val uint64) {
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stream.ensure(20)
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n := stream.n
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q1 := val / 1000
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if q1 == 0 {
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stream.n = writeFirstBuf(stream.buf, digits[val], n)
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stream.buf = writeFirstBuf(stream.buf, digits[val])
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return
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}
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r1 := val - q1*1000
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q2 := q1 / 1000
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if q2 == 0 {
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n := writeFirstBuf(stream.buf, digits[q1], n)
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writeBuf(stream.buf, digits[r1], n)
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stream.n = n + 3
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stream.buf = writeFirstBuf(stream.buf, digits[q1])
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stream.buf = writeBuf(stream.buf, digits[r1])
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return
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}
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r2 := q1 - q2*1000
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q3 := q2 / 1000
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if q3 == 0 {
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n = writeFirstBuf(stream.buf, digits[q2], n)
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writeBuf(stream.buf, digits[r2], n)
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writeBuf(stream.buf, digits[r1], n+3)
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stream.n = n + 6
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stream.buf = writeFirstBuf(stream.buf, digits[q2])
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stream.buf = writeBuf(stream.buf, digits[r2])
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stream.buf = writeBuf(stream.buf, digits[r1])
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return
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}
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r3 := q2 - q3*1000
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q4 := q3 / 1000
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if q4 == 0 {
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n = writeFirstBuf(stream.buf, digits[q3], n)
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writeBuf(stream.buf, digits[r3], n)
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writeBuf(stream.buf, digits[r2], n+3)
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writeBuf(stream.buf, digits[r1], n+6)
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stream.n = n + 9
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stream.buf = writeFirstBuf(stream.buf, digits[q3])
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stream.buf = writeBuf(stream.buf, digits[r3])
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stream.buf = writeBuf(stream.buf, digits[r2])
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stream.buf = writeBuf(stream.buf, digits[r1])
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return
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}
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r4 := q3 - q4*1000
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q5 := q4 / 1000
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if q5 == 0 {
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n = writeFirstBuf(stream.buf, digits[q4], n)
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writeBuf(stream.buf, digits[r4], n)
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writeBuf(stream.buf, digits[r3], n+3)
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writeBuf(stream.buf, digits[r2], n+6)
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writeBuf(stream.buf, digits[r1], n+9)
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stream.n = n + 12
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stream.buf = writeFirstBuf(stream.buf, digits[q4])
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stream.buf = writeBuf(stream.buf, digits[r4])
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stream.buf = writeBuf(stream.buf, digits[r3])
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stream.buf = writeBuf(stream.buf, digits[r2])
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stream.buf = writeBuf(stream.buf, digits[r1])
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return
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}
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r5 := q4 - q5*1000
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q6 := q5 / 1000
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if q6 == 0 {
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n = writeFirstBuf(stream.buf, digits[q5], n)
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stream.buf = writeFirstBuf(stream.buf, digits[q5])
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} else {
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n = writeFirstBuf(stream.buf, digits[q6], n)
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stream.buf = writeFirstBuf(stream.buf, digits[q6])
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r6 := q5 - q6*1000
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writeBuf(stream.buf, digits[r6], n)
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n += 3
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stream.buf = writeBuf(stream.buf, digits[r6])
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}
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writeBuf(stream.buf, digits[r5], n)
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writeBuf(stream.buf, digits[r4], n+3)
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writeBuf(stream.buf, digits[r3], n+6)
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writeBuf(stream.buf, digits[r2], n+9)
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writeBuf(stream.buf, digits[r1], n+12)
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stream.n = n + 15
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stream.buf = writeBuf(stream.buf, digits[r5])
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stream.buf = writeBuf(stream.buf, digits[r4])
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stream.buf = writeBuf(stream.buf, digits[r3])
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stream.buf = writeBuf(stream.buf, digits[r2])
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stream.buf = writeBuf(stream.buf, digits[r1])
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}
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// WriteInt64 write int64 to stream
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func (stream *Stream) WriteInt64(nval int64) {
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stream.ensure(20)
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n := stream.n
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var val uint64
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if nval < 0 {
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val = uint64(-nval)
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stream.buf[n] = '-'
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n++
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stream.buf = append(stream.buf, '-')
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} else {
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val = uint64(nval)
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}
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q1 := val / 1000
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if q1 == 0 {
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stream.n = writeFirstBuf(stream.buf, digits[val], n)
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return
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}
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r1 := val - q1*1000
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q2 := q1 / 1000
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if q2 == 0 {
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n := writeFirstBuf(stream.buf, digits[q1], n)
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writeBuf(stream.buf, digits[r1], n)
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stream.n = n + 3
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return
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}
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r2 := q1 - q2*1000
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q3 := q2 / 1000
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if q3 == 0 {
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n = writeFirstBuf(stream.buf, digits[q2], n)
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writeBuf(stream.buf, digits[r2], n)
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writeBuf(stream.buf, digits[r1], n+3)
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stream.n = n + 6
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return
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}
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r3 := q2 - q3*1000
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q4 := q3 / 1000
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if q4 == 0 {
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n = writeFirstBuf(stream.buf, digits[q3], n)
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writeBuf(stream.buf, digits[r3], n)
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writeBuf(stream.buf, digits[r2], n+3)
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writeBuf(stream.buf, digits[r1], n+6)
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stream.n = n + 9
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return
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}
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r4 := q3 - q4*1000
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q5 := q4 / 1000
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if q5 == 0 {
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n = writeFirstBuf(stream.buf, digits[q4], n)
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writeBuf(stream.buf, digits[r4], n)
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writeBuf(stream.buf, digits[r3], n+3)
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writeBuf(stream.buf, digits[r2], n+6)
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writeBuf(stream.buf, digits[r1], n+9)
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stream.n = n + 12
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return
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}
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r5 := q4 - q5*1000
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q6 := q5 / 1000
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if q6 == 0 {
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n = writeFirstBuf(stream.buf, digits[q5], n)
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} else {
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stream.buf[n] = byte(q6 + '0')
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n++
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r6 := q5 - q6*1000
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writeBuf(stream.buf, digits[r6], n)
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n += 3
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}
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writeBuf(stream.buf, digits[r5], n)
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writeBuf(stream.buf, digits[r4], n+3)
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writeBuf(stream.buf, digits[r3], n+6)
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writeBuf(stream.buf, digits[r2], n+9)
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writeBuf(stream.buf, digits[r1], n+12)
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stream.n = n + 15
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stream.WriteUint64(val)
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}
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// WriteInt write int to stream
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