go/json-iterator
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use iterator from cache for any

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This commit is contained in:
Tao Wen
2017-06-17 21:10:08 +08:00
parent 50e4910c63
commit 55fc498d27
8 changed files with 82 additions and 121 deletions
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39
feature_any_string.go
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@ -7,8 +7,8 @@ import (
type stringLazyAny struct {
baseAny
cfg *frozenConfig
buf []byte
iter *Iterator
err error
cache string
}
@ -17,21 +17,12 @@ func (any *stringLazyAny) ValueType() ValueType {
return String
}
func (any *stringLazyAny) Parse() *Iterator {
iter := any.iter
if iter == nil {
iter = NewIterator(ConfigDefault)
any.iter = iter
}
iter.ResetBytes(any.buf)
return iter
}
func (any *stringLazyAny) fillCache() {
if any.err != nil {
return
}
iter := any.Parse()
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
any.cache = iter.ReadString()
if iter.Error != io.EOF {
iter.reportError("stringLazyAny", "there are bytes left")
@ -59,7 +50,8 @@ func (any *stringLazyAny) ToBool() bool {
}
func (any *stringLazyAny) ToInt() int {
iter := any.Parse()
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
iter.head++
val := iter.ReadInt()
any.err = iter.Error
@ -67,7 +59,8 @@ func (any *stringLazyAny) ToInt() int {
}
func (any *stringLazyAny) ToInt32() int32 {
iter := any.Parse()
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
iter.head++
val := iter.ReadInt32()
any.err = iter.Error
@ -75,7 +68,8 @@ func (any *stringLazyAny) ToInt32() int32 {
}
func (any *stringLazyAny) ToInt64() int64 {
iter := any.Parse()
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
iter.head++
val := iter.ReadInt64()
any.err = iter.Error
@ -83,7 +77,8 @@ func (any *stringLazyAny) ToInt64() int64 {
}
func (any *stringLazyAny) ToUint() uint {
iter := any.Parse()
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
iter.head++
val := iter.ReadUint()
any.err = iter.Error
@ -91,7 +86,8 @@ func (any *stringLazyAny) ToUint() uint {
}
func (any *stringLazyAny) ToUint32() uint32 {
iter := any.Parse()
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
iter.head++
val := iter.ReadUint32()
any.err = iter.Error
@ -99,7 +95,8 @@ func (any *stringLazyAny) ToUint32() uint32 {
}
func (any *stringLazyAny) ToUint64() uint64 {
iter := any.Parse()
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
iter.head++
val := iter.ReadUint64()
any.err = iter.Error
@ -107,7 +104,8 @@ func (any *stringLazyAny) ToUint64() uint64 {
}
func (any *stringLazyAny) ToFloat32() float32 {
iter := any.Parse()
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
iter.head++
val := iter.ReadFloat32()
any.err = iter.Error
@ -115,7 +113,8 @@ func (any *stringLazyAny) ToFloat32() float32 {
}
func (any *stringLazyAny) ToFloat64() float64 {
iter := any.Parse()
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
iter.head++
val := iter.ReadFloat64()
any.err = iter.Error