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.go
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@ -29,7 +29,6 @@ type Any interface {
SetObject(map[string]Any) bool
GetInterface() interface{}
WriteTo(stream *Stream)
Parse() *Iterator
}
type baseAny struct{}
@ -147,14 +146,14 @@ func Wrap(val interface{}) Any {
}
func (iter *Iterator) ReadAny() Any {
return iter.readAny(nil)
return iter.readAny()
}
func (iter *Iterator) readAny(reusableIter *Iterator) Any {
func (iter *Iterator) readAny() Any {
c := iter.nextToken()
switch c {
case '"':
return iter.readStringAny(reusableIter)
return iter.readStringAny()
case 'n':
iter.skipFixedBytes(3) // null
return &nilAny{}
@ -165,15 +164,15 @@ func (iter *Iterator) readAny(reusableIter *Iterator) Any {
iter.skipFixedBytes(4) // false
return &falseAny{}
case '{':
return iter.readObjectAny(reusableIter)
return iter.readObjectAny()
case '[':
return iter.readArrayAny(reusableIter)
return iter.readArrayAny()
default:
return iter.readNumberAny(reusableIter, c)
return iter.readNumberAny(c)
}
}
func (iter *Iterator) readNumberAny(reusableIter *Iterator, firstByte byte) Any {
func (iter *Iterator) readNumberAny(firstByte byte) Any {
dotFound := false
lazyBuf := make([]byte, 1, 8)
lazyBuf[0] = firstByte
@ -189,12 +188,12 @@ func (iter *Iterator) readNumberAny(reusableIter *Iterator, firstByte byte) Any
lazyBuf = append(lazyBuf, iter.buf[iter.head:i]...)
iter.head = i
if dotFound {
return &float64LazyAny{baseAny{}, lazyBuf, reusableIter, nil, 0}
return &float64LazyAny{baseAny{}, iter.cfg, lazyBuf, nil, 0}
} else {
if firstByte == '-' {
return &int64LazyAny{baseAny{}, lazyBuf, reusableIter, nil, 0}
return &int64LazyAny{baseAny{}, iter.cfg, lazyBuf, nil, 0}
} else {
return &uint64LazyAny{baseAny{}, lazyBuf, reusableIter, nil, 0}
return &uint64LazyAny{baseAny{}, iter.cfg, lazyBuf, nil, 0}
}
}
}
@ -203,19 +202,19 @@ func (iter *Iterator) readNumberAny(reusableIter *Iterator, firstByte byte) Any
if !iter.loadMore() {
iter.head = iter.tail
if dotFound {
return &float64LazyAny{baseAny{}, lazyBuf, reusableIter, nil, 0}
return &float64LazyAny{baseAny{}, iter.cfg, lazyBuf, nil, 0}
} else {
if firstByte == '-' {
return &int64LazyAny{baseAny{}, lazyBuf, reusableIter, nil, 0}
return &int64LazyAny{baseAny{}, iter.cfg, lazyBuf, nil, 0}
} else {
return &uint64LazyAny{baseAny{}, lazyBuf, reusableIter, nil, 0}
return &uint64LazyAny{baseAny{}, iter.cfg, lazyBuf, nil, 0}
}
}
}
}
}
func (iter *Iterator) readStringAny(reusableIter *Iterator) Any {
func (iter *Iterator) readStringAny() Any {
lazyBuf := make([]byte, 1, 8)
lazyBuf[0] = '"'
for {
@ -232,12 +231,12 @@ func (iter *Iterator) readStringAny(reusableIter *Iterator) Any {
} else {
lazyBuf = append(lazyBuf, iter.buf[iter.head:end]...)
iter.head = end
return &stringLazyAny{baseAny{}, lazyBuf, reusableIter, nil, ""}
return &stringLazyAny{baseAny{}, iter.cfg, lazyBuf, nil, ""}
}
}
}
func (iter *Iterator) readObjectAny(reusableIter *Iterator) Any {
func (iter *Iterator) readObjectAny() Any {
level := 1
lazyBuf := make([]byte, 1, 32)
lazyBuf[0] = '{'
@ -258,7 +257,7 @@ func (iter *Iterator) readObjectAny(reusableIter *Iterator) Any {
if level == 0 {
iter.head = i + 1
lazyBuf = append(lazyBuf, iter.buf[start:iter.head]...)
return &objectLazyAny{baseAny{}, lazyBuf, reusableIter, nil, nil, lazyBuf}
return &objectLazyAny{baseAny{}, iter.cfg, lazyBuf, nil, nil, lazyBuf}
}
}
}
@ -270,7 +269,7 @@ func (iter *Iterator) readObjectAny(reusableIter *Iterator) Any {
}
}
func (iter *Iterator) readArrayAny(reusableIter *Iterator) Any {
func (iter *Iterator) readArrayAny() Any {
level := 1
lazyBuf := make([]byte, 1, 32)
lazyBuf[0] = '['
@ -291,7 +290,7 @@ func (iter *Iterator) readArrayAny(reusableIter *Iterator) Any {
if level == 0 {
iter.head = i + 1
lazyBuf = append(lazyBuf, iter.buf[start:iter.head]...)
return &arrayLazyAny{baseAny{}, lazyBuf, reusableIter, nil, nil, lazyBuf}
return &arrayLazyAny{baseAny{}, iter.cfg, lazyBuf, nil, nil, lazyBuf}
}
}
}