int lazy any

feature_any.go

@@ -0,0 +1,57 @@
+package jsoniter
+
+import "fmt"
+
+type Any interface {
+	LastError() error
+	ToBool() bool
+	ToInt() int
+	ToInt32() int32
+	ToInt64() int64
+	ToFloat32() float32
+	ToFloat64() float64
+	ToString() string
+}
+
+func (iter *Iterator) ReadAny() Any {
+	valueType := iter.WhatIsNext()
+	switch valueType {
+	case Nil:
+		iter.skipFixedBytes(4)
+		return &nilAny{}
+	case Number:
+		dotFound, lazyBuf := iter.skipNumber()
+		if dotFound {
+			return &floatLazyAny{lazyBuf, nil, nil}
+		} else {
+			return &intLazyAny{lazyBuf, nil, nil, 0}
+		}
+	}
+	iter.reportError("ReadAny", fmt.Sprintf("unexpected value type: %v", valueType))
+	return nil
+}
+
+func (iter *Iterator) skipNumber() (bool, []byte) {
+	dotFound := false
+	var lazyBuf []byte
+	for {
+		for i := iter.head; i < iter.tail; i++ {
+			c := iter.buf[i]
+			if c == '.' {
+				dotFound = true
+				continue
+			}
+			switch c {
+			case ' ', '\n', '\r', '\t', ',', '}', ']':
+				lazyBuf = append(lazyBuf, iter.buf[iter.head:i]...)
+				iter.head = i
+				return dotFound, lazyBuf
+			}
+		}
+		lazyBuf = append(lazyBuf, iter.buf[iter.head:iter.tail]...)
+		if !iter.loadMore() {
+			iter.head = iter.tail;
+			return dotFound, lazyBuf
+		}
+	}
+}