feat: kubesphere 4.0 (#6115)
* feat: kubesphere 4.0 Signed-off-by: ci-bot <ci-bot@kubesphere.io> * feat: kubesphere 4.0 Signed-off-by: ci-bot <ci-bot@kubesphere.io> --------- Signed-off-by: ci-bot <ci-bot@kubesphere.io> Co-authored-by: ks-ci-bot <ks-ci-bot@example.com> Co-authored-by: joyceliu <joyceliu@yunify.com>
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136
vendor/github.com/klauspost/compress/huff0/bitwriter.go
generated
vendored
136
vendor/github.com/klauspost/compress/huff0/bitwriter.go
generated
vendored
@@ -5,8 +5,6 @@
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package huff0
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import "fmt"
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// bitWriter will write bits.
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// First bit will be LSB of the first byte of output.
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type bitWriter struct {
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@@ -15,22 +13,6 @@ type bitWriter struct {
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out []byte
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}
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// bitMask16 is bitmasks. Has extra to avoid bounds check.
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var bitMask16 = [32]uint16{
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0, 1, 3, 7, 0xF, 0x1F,
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0x3F, 0x7F, 0xFF, 0x1FF, 0x3FF, 0x7FF,
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0xFFF, 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF, 0xFFFF,
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0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
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0xFFFF, 0xFFFF} /* up to 16 bits */
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// addBits16NC will add up to 16 bits.
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// It will not check if there is space for them,
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// so the caller must ensure that it has flushed recently.
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func (b *bitWriter) addBits16NC(value uint16, bits uint8) {
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b.bitContainer |= uint64(value&bitMask16[bits&31]) << (b.nBits & 63)
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b.nBits += bits
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}
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// addBits16Clean will add up to 16 bits. value may not contain more set bits than indicated.
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// It will not check if there is space for them, so the caller must ensure that it has flushed recently.
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func (b *bitWriter) addBits16Clean(value uint16, bits uint8) {
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@@ -70,102 +52,20 @@ func (b *bitWriter) encTwoSymbols(ct cTable, av, bv byte) {
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b.nBits += encA.nBits + encB.nBits
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}
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// addBits16ZeroNC will add up to 16 bits.
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// encFourSymbols adds up to 32 bits from four symbols.
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// It will not check if there is space for them,
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// so the caller must ensure that it has flushed recently.
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// This is fastest if bits can be zero.
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func (b *bitWriter) addBits16ZeroNC(value uint16, bits uint8) {
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if bits == 0 {
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return
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}
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value <<= (16 - bits) & 15
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value >>= (16 - bits) & 15
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b.bitContainer |= uint64(value) << (b.nBits & 63)
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b.nBits += bits
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}
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// flush will flush all pending full bytes.
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// There will be at least 56 bits available for writing when this has been called.
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// Using flush32 is faster, but leaves less space for writing.
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func (b *bitWriter) flush() {
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v := b.nBits >> 3
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switch v {
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case 0:
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return
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case 1:
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b.out = append(b.out,
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byte(b.bitContainer),
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)
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b.bitContainer >>= 1 << 3
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case 2:
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b.out = append(b.out,
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byte(b.bitContainer),
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byte(b.bitContainer>>8),
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)
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b.bitContainer >>= 2 << 3
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case 3:
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b.out = append(b.out,
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byte(b.bitContainer),
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byte(b.bitContainer>>8),
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byte(b.bitContainer>>16),
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)
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b.bitContainer >>= 3 << 3
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case 4:
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b.out = append(b.out,
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byte(b.bitContainer),
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byte(b.bitContainer>>8),
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byte(b.bitContainer>>16),
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byte(b.bitContainer>>24),
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)
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b.bitContainer >>= 4 << 3
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case 5:
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b.out = append(b.out,
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byte(b.bitContainer),
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byte(b.bitContainer>>8),
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byte(b.bitContainer>>16),
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byte(b.bitContainer>>24),
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byte(b.bitContainer>>32),
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)
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b.bitContainer >>= 5 << 3
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case 6:
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b.out = append(b.out,
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byte(b.bitContainer),
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byte(b.bitContainer>>8),
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byte(b.bitContainer>>16),
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byte(b.bitContainer>>24),
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byte(b.bitContainer>>32),
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byte(b.bitContainer>>40),
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)
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b.bitContainer >>= 6 << 3
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case 7:
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b.out = append(b.out,
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byte(b.bitContainer),
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byte(b.bitContainer>>8),
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byte(b.bitContainer>>16),
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byte(b.bitContainer>>24),
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byte(b.bitContainer>>32),
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byte(b.bitContainer>>40),
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byte(b.bitContainer>>48),
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)
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b.bitContainer >>= 7 << 3
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case 8:
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b.out = append(b.out,
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byte(b.bitContainer),
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byte(b.bitContainer>>8),
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byte(b.bitContainer>>16),
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byte(b.bitContainer>>24),
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byte(b.bitContainer>>32),
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byte(b.bitContainer>>40),
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byte(b.bitContainer>>48),
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byte(b.bitContainer>>56),
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)
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b.bitContainer = 0
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b.nBits = 0
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return
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default:
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panic(fmt.Errorf("bits (%d) > 64", b.nBits))
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}
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b.nBits &= 7
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// so the caller must ensure that b has been flushed recently.
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func (b *bitWriter) encFourSymbols(encA, encB, encC, encD cTableEntry) {
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bitsA := encA.nBits
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bitsB := bitsA + encB.nBits
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bitsC := bitsB + encC.nBits
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bitsD := bitsC + encD.nBits
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combined := uint64(encA.val) |
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(uint64(encB.val) << (bitsA & 63)) |
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(uint64(encC.val) << (bitsB & 63)) |
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(uint64(encD.val) << (bitsC & 63))
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b.bitContainer |= combined << (b.nBits & 63)
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b.nBits += bitsD
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}
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// flush32 will flush out, so there are at least 32 bits available for writing.
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@@ -194,17 +94,9 @@ func (b *bitWriter) flushAlign() {
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// close will write the alignment bit and write the final byte(s)
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// to the output.
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func (b *bitWriter) close() error {
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func (b *bitWriter) close() {
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// End mark
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b.addBits16Clean(1, 1)
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// flush until next byte.
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b.flushAlign()
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return nil
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}
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// reset and continue writing by appending to out.
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func (b *bitWriter) reset(out []byte) {
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b.bitContainer = 0
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b.nBits = 0
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b.out = out
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}
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