mirror of
https://github.com/kubernetes/sample-controller.git
synced 2025-01-21 01:12:51 +08:00
46b5d73382
Automatic merge from submit-queue (batch tested with PRs 57122, 57142, 57016, 56927, 56678). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. bump(13f864): github.com/json-iterator/go: use ConfigCompatibleWithStandardLibrary Jsoniter in `ConfigFastest` mode does not support escape characters in object keys, whereas `ConfigCompatibleWithStandardLibrary` does. Fixes kubernetes/kubernetes#56018 Related kubernetes/kubernetes#56055 Benchmark results: ``` BenchmarkDecodeIntoJSON-4 30000 48522 ns/op 3792 B/op 63 allocs/op BenchmarkDecodeIntoJSONCodecGenConfigFast-4 100000 17409 ns/op 4524 B/op 96 allocs/op BenchmarkDecodeIntoJSONCodecGenConfigCompatibleWithStandardLibrary-4 100000 18617 ns/op 4924 B/op 121 allocs/op ``` /assign sttts thockin mfojtik Kubernetes-commit: 135d58b3941fac99ae0426e18cbda266b83ca49e
130 lines
3.2 KiB
Go
130 lines
3.2 KiB
Go
package jsoniter
|
|
|
|
import "fmt"
|
|
|
|
// ReadNil reads a json object as nil and
|
|
// returns whether it's a nil or not
|
|
func (iter *Iterator) ReadNil() (ret bool) {
|
|
c := iter.nextToken()
|
|
if c == 'n' {
|
|
iter.skipThreeBytes('u', 'l', 'l') // null
|
|
return true
|
|
}
|
|
iter.unreadByte()
|
|
return false
|
|
}
|
|
|
|
// ReadBool reads a json object as BoolValue
|
|
func (iter *Iterator) ReadBool() (ret bool) {
|
|
c := iter.nextToken()
|
|
if c == 't' {
|
|
iter.skipThreeBytes('r', 'u', 'e')
|
|
return true
|
|
}
|
|
if c == 'f' {
|
|
iter.skipFourBytes('a', 'l', 's', 'e')
|
|
return false
|
|
}
|
|
iter.ReportError("ReadBool", "expect t or f, but found "+string([]byte{c}))
|
|
return
|
|
}
|
|
|
|
// SkipAndReturnBytes skip next JSON element, and return its content as []byte.
|
|
// The []byte can be kept, it is a copy of data.
|
|
func (iter *Iterator) SkipAndReturnBytes() []byte {
|
|
iter.startCapture(iter.head)
|
|
iter.Skip()
|
|
return iter.stopCapture()
|
|
}
|
|
|
|
type captureBuffer struct {
|
|
startedAt int
|
|
captured []byte
|
|
}
|
|
|
|
func (iter *Iterator) startCapture(captureStartedAt int) {
|
|
if iter.captured != nil {
|
|
panic("already in capture mode")
|
|
}
|
|
iter.captureStartedAt = captureStartedAt
|
|
iter.captured = make([]byte, 0, 32)
|
|
}
|
|
|
|
func (iter *Iterator) stopCapture() []byte {
|
|
if iter.captured == nil {
|
|
panic("not in capture mode")
|
|
}
|
|
captured := iter.captured
|
|
remaining := iter.buf[iter.captureStartedAt:iter.head]
|
|
iter.captureStartedAt = -1
|
|
iter.captured = nil
|
|
if len(captured) == 0 {
|
|
copied := make([]byte, len(remaining))
|
|
copy(copied, remaining)
|
|
return copied
|
|
}
|
|
captured = append(captured, remaining...)
|
|
return captured
|
|
}
|
|
|
|
// Skip skips a json object and positions to relatively the next json object
|
|
func (iter *Iterator) Skip() {
|
|
c := iter.nextToken()
|
|
switch c {
|
|
case '"':
|
|
iter.skipString()
|
|
case 'n':
|
|
iter.skipThreeBytes('u', 'l', 'l') // null
|
|
case 't':
|
|
iter.skipThreeBytes('r', 'u', 'e') // true
|
|
case 'f':
|
|
iter.skipFourBytes('a', 'l', 's', 'e') // false
|
|
case '0':
|
|
iter.unreadByte()
|
|
iter.ReadFloat32()
|
|
case '-', '1', '2', '3', '4', '5', '6', '7', '8', '9':
|
|
iter.skipNumber()
|
|
case '[':
|
|
iter.skipArray()
|
|
case '{':
|
|
iter.skipObject()
|
|
default:
|
|
iter.ReportError("Skip", fmt.Sprintf("do not know how to skip: %v", c))
|
|
return
|
|
}
|
|
}
|
|
|
|
func (iter *Iterator) skipFourBytes(b1, b2, b3, b4 byte) {
|
|
if iter.readByte() != b1 {
|
|
iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4})))
|
|
return
|
|
}
|
|
if iter.readByte() != b2 {
|
|
iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4})))
|
|
return
|
|
}
|
|
if iter.readByte() != b3 {
|
|
iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4})))
|
|
return
|
|
}
|
|
if iter.readByte() != b4 {
|
|
iter.ReportError("skipFourBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3, b4})))
|
|
return
|
|
}
|
|
}
|
|
|
|
func (iter *Iterator) skipThreeBytes(b1, b2, b3 byte) {
|
|
if iter.readByte() != b1 {
|
|
iter.ReportError("skipThreeBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3})))
|
|
return
|
|
}
|
|
if iter.readByte() != b2 {
|
|
iter.ReportError("skipThreeBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3})))
|
|
return
|
|
}
|
|
if iter.readByte() != b3 {
|
|
iter.ReportError("skipThreeBytes", fmt.Sprintf("expect %s", string([]byte{b1, b2, b3})))
|
|
return
|
|
}
|
|
}
|