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path: root/vendor/github.com/json-iterator/go/any.go
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-rw-r--r--vendor/github.com/json-iterator/go/any.go321
1 files changed, 321 insertions, 0 deletions
diff --git a/vendor/github.com/json-iterator/go/any.go b/vendor/github.com/json-iterator/go/any.go
new file mode 100644
index 000000000..daecfed61
--- /dev/null
+++ b/vendor/github.com/json-iterator/go/any.go
@@ -0,0 +1,321 @@
+package jsoniter
+
+import (
+ "errors"
+ "fmt"
+ "github.com/modern-go/reflect2"
+ "io"
+ "reflect"
+ "strconv"
+ "unsafe"
+)
+
+// Any generic object representation.
+// The lazy json implementation holds []byte and parse lazily.
+type Any interface {
+ LastError() error
+ ValueType() ValueType
+ MustBeValid() Any
+ ToBool() bool
+ ToInt() int
+ ToInt32() int32
+ ToInt64() int64
+ ToUint() uint
+ ToUint32() uint32
+ ToUint64() uint64
+ ToFloat32() float32
+ ToFloat64() float64
+ ToString() string
+ ToVal(val interface{})
+ Get(path ...interface{}) Any
+ Size() int
+ Keys() []string
+ GetInterface() interface{}
+ WriteTo(stream *Stream)
+}
+
+type baseAny struct{}
+
+func (any *baseAny) Get(path ...interface{}) Any {
+ return &invalidAny{baseAny{}, fmt.Errorf("GetIndex %v from simple value", path)}
+}
+
+func (any *baseAny) Size() int {
+ return 0
+}
+
+func (any *baseAny) Keys() []string {
+ return []string{}
+}
+
+func (any *baseAny) ToVal(obj interface{}) {
+ panic("not implemented")
+}
+
+// WrapInt32 turn int32 into Any interface
+func WrapInt32(val int32) Any {
+ return &int32Any{baseAny{}, val}
+}
+
+// WrapInt64 turn int64 into Any interface
+func WrapInt64(val int64) Any {
+ return &int64Any{baseAny{}, val}
+}
+
+// WrapUint32 turn uint32 into Any interface
+func WrapUint32(val uint32) Any {
+ return &uint32Any{baseAny{}, val}
+}
+
+// WrapUint64 turn uint64 into Any interface
+func WrapUint64(val uint64) Any {
+ return &uint64Any{baseAny{}, val}
+}
+
+// WrapFloat64 turn float64 into Any interface
+func WrapFloat64(val float64) Any {
+ return &floatAny{baseAny{}, val}
+}
+
+// WrapString turn string into Any interface
+func WrapString(val string) Any {
+ return &stringAny{baseAny{}, val}
+}
+
+// Wrap turn a go object into Any interface
+func Wrap(val interface{}) Any {
+ if val == nil {
+ return &nilAny{}
+ }
+ asAny, isAny := val.(Any)
+ if isAny {
+ return asAny
+ }
+ typ := reflect2.TypeOf(val)
+ switch typ.Kind() {
+ case reflect.Slice:
+ return wrapArray(val)
+ case reflect.Struct:
+ return wrapStruct(val)
+ case reflect.Map:
+ return wrapMap(val)
+ case reflect.String:
+ return WrapString(val.(string))
+ case reflect.Int:
+ if strconv.IntSize == 32 {
+ return WrapInt32(int32(val.(int)))
+ }
+ return WrapInt64(int64(val.(int)))
+ case reflect.Int8:
+ return WrapInt32(int32(val.(int8)))
+ case reflect.Int16:
+ return WrapInt32(int32(val.(int16)))
+ case reflect.Int32:
+ return WrapInt32(val.(int32))
+ case reflect.Int64:
+ return WrapInt64(val.(int64))
+ case reflect.Uint:
+ if strconv.IntSize == 32 {
+ return WrapUint32(uint32(val.(uint)))
+ }
+ return WrapUint64(uint64(val.(uint)))
+ case reflect.Uintptr:
+ if ptrSize == 32 {
+ return WrapUint32(uint32(val.(uintptr)))
+ }
+ return WrapUint64(uint64(val.(uintptr)))
+ case reflect.Uint8:
+ return WrapUint32(uint32(val.(uint8)))
+ case reflect.Uint16:
+ return WrapUint32(uint32(val.(uint16)))
+ case reflect.Uint32:
+ return WrapUint32(uint32(val.(uint32)))
+ case reflect.Uint64:
+ return WrapUint64(val.(uint64))
+ case reflect.Float32:
+ return WrapFloat64(float64(val.(float32)))
+ case reflect.Float64:
+ return WrapFloat64(val.(float64))
+ case reflect.Bool:
+ if val.(bool) == true {
+ return &trueAny{}
+ }
+ return &falseAny{}
+ }
+ return &invalidAny{baseAny{}, fmt.Errorf("unsupported type: %v", typ)}
+}
+
+// ReadAny read next JSON element as an Any object. It is a better json.RawMessage.
+func (iter *Iterator) ReadAny() Any {
+ return iter.readAny()
+}
+
+func (iter *Iterator) readAny() Any {
+ c := iter.nextToken()
+ switch c {
+ case '"':
+ iter.unreadByte()
+ return &stringAny{baseAny{}, iter.ReadString()}
+ case 'n':
+ iter.skipThreeBytes('u', 'l', 'l') // null
+ return &nilAny{}
+ case 't':
+ iter.skipThreeBytes('r', 'u', 'e') // true
+ return &trueAny{}
+ case 'f':
+ iter.skipFourBytes('a', 'l', 's', 'e') // false
+ return &falseAny{}
+ case '{':
+ return iter.readObjectAny()
+ case '[':
+ return iter.readArrayAny()
+ case '-':
+ return iter.readNumberAny(false)
+ case 0:
+ return &invalidAny{baseAny{}, errors.New("input is empty")}
+ default:
+ return iter.readNumberAny(true)
+ }
+}
+
+func (iter *Iterator) readNumberAny(positive bool) Any {
+ iter.startCapture(iter.head - 1)
+ iter.skipNumber()
+ lazyBuf := iter.stopCapture()
+ return &numberLazyAny{baseAny{}, iter.cfg, lazyBuf, nil}
+}
+
+func (iter *Iterator) readObjectAny() Any {
+ iter.startCapture(iter.head - 1)
+ iter.skipObject()
+ lazyBuf := iter.stopCapture()
+ return &objectLazyAny{baseAny{}, iter.cfg, lazyBuf, nil}
+}
+
+func (iter *Iterator) readArrayAny() Any {
+ iter.startCapture(iter.head - 1)
+ iter.skipArray()
+ lazyBuf := iter.stopCapture()
+ return &arrayLazyAny{baseAny{}, iter.cfg, lazyBuf, nil}
+}
+
+func locateObjectField(iter *Iterator, target string) []byte {
+ var found []byte
+ iter.ReadObjectCB(func(iter *Iterator, field string) bool {
+ if field == target {
+ found = iter.SkipAndReturnBytes()
+ return false
+ }
+ iter.Skip()
+ return true
+ })
+ return found
+}
+
+func locateArrayElement(iter *Iterator, target int) []byte {
+ var found []byte
+ n := 0
+ iter.ReadArrayCB(func(iter *Iterator) bool {
+ if n == target {
+ found = iter.SkipAndReturnBytes()
+ return false
+ }
+ iter.Skip()
+ n++
+ return true
+ })
+ return found
+}
+
+func locatePath(iter *Iterator, path []interface{}) Any {
+ for i, pathKeyObj := range path {
+ switch pathKey := pathKeyObj.(type) {
+ case string:
+ valueBytes := locateObjectField(iter, pathKey)
+ if valueBytes == nil {
+ return newInvalidAny(path[i:])
+ }
+ iter.ResetBytes(valueBytes)
+ case int:
+ valueBytes := locateArrayElement(iter, pathKey)
+ if valueBytes == nil {
+ return newInvalidAny(path[i:])
+ }
+ iter.ResetBytes(valueBytes)
+ case int32:
+ if '*' == pathKey {
+ return iter.readAny().Get(path[i:]...)
+ }
+ return newInvalidAny(path[i:])
+ default:
+ return newInvalidAny(path[i:])
+ }
+ }
+ if iter.Error != nil && iter.Error != io.EOF {
+ return &invalidAny{baseAny{}, iter.Error}
+ }
+ return iter.readAny()
+}
+
+var anyType = reflect2.TypeOfPtr((*Any)(nil)).Elem()
+
+func createDecoderOfAny(ctx *ctx, typ reflect2.Type) ValDecoder {
+ if typ == anyType {
+ return &directAnyCodec{}
+ }
+ if typ.Implements(anyType) {
+ return &anyCodec{
+ valType: typ,
+ }
+ }
+ return nil
+}
+
+func createEncoderOfAny(ctx *ctx, typ reflect2.Type) ValEncoder {
+ if typ == anyType {
+ return &directAnyCodec{}
+ }
+ if typ.Implements(anyType) {
+ return &anyCodec{
+ valType: typ,
+ }
+ }
+ return nil
+}
+
+type anyCodec struct {
+ valType reflect2.Type
+}
+
+func (codec *anyCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
+ panic("not implemented")
+}
+
+func (codec *anyCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
+ obj := codec.valType.UnsafeIndirect(ptr)
+ any := obj.(Any)
+ any.WriteTo(stream)
+}
+
+func (codec *anyCodec) IsEmpty(ptr unsafe.Pointer) bool {
+ obj := codec.valType.UnsafeIndirect(ptr)
+ any := obj.(Any)
+ return any.Size() == 0
+}
+
+type directAnyCodec struct {
+}
+
+func (codec *directAnyCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
+ *(*Any)(ptr) = iter.readAny()
+}
+
+func (codec *directAnyCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
+ any := *(*Any)(ptr)
+ any.WriteTo(stream)
+}
+
+func (codec *directAnyCodec) IsEmpty(ptr unsafe.Pointer) bool {
+ any := *(*Any)(ptr)
+ return any.Size() == 0
+}