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path: root/vendor/github.com/json-iterator/go/reflect_json_number.go
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Diffstat (limited to 'vendor/github.com/json-iterator/go/reflect_json_number.go')
-rw-r--r--vendor/github.com/json-iterator/go/reflect_json_number.go112
1 files changed, 112 insertions, 0 deletions
diff --git a/vendor/github.com/json-iterator/go/reflect_json_number.go b/vendor/github.com/json-iterator/go/reflect_json_number.go
new file mode 100644
index 000000000..98d45c1ec
--- /dev/null
+++ b/vendor/github.com/json-iterator/go/reflect_json_number.go
@@ -0,0 +1,112 @@
+package jsoniter
+
+import (
+ "encoding/json"
+ "github.com/modern-go/reflect2"
+ "strconv"
+ "unsafe"
+)
+
+type Number string
+
+// String returns the literal text of the number.
+func (n Number) String() string { return string(n) }
+
+// Float64 returns the number as a float64.
+func (n Number) Float64() (float64, error) {
+ return strconv.ParseFloat(string(n), 64)
+}
+
+// Int64 returns the number as an int64.
+func (n Number) Int64() (int64, error) {
+ return strconv.ParseInt(string(n), 10, 64)
+}
+
+func CastJsonNumber(val interface{}) (string, bool) {
+ switch typedVal := val.(type) {
+ case json.Number:
+ return string(typedVal), true
+ case Number:
+ return string(typedVal), true
+ }
+ return "", false
+}
+
+var jsonNumberType = reflect2.TypeOfPtr((*json.Number)(nil)).Elem()
+var jsoniterNumberType = reflect2.TypeOfPtr((*Number)(nil)).Elem()
+
+func createDecoderOfJsonNumber(ctx *ctx, typ reflect2.Type) ValDecoder {
+ if typ.AssignableTo(jsonNumberType) {
+ return &jsonNumberCodec{}
+ }
+ if typ.AssignableTo(jsoniterNumberType) {
+ return &jsoniterNumberCodec{}
+ }
+ return nil
+}
+
+func createEncoderOfJsonNumber(ctx *ctx, typ reflect2.Type) ValEncoder {
+ if typ.AssignableTo(jsonNumberType) {
+ return &jsonNumberCodec{}
+ }
+ if typ.AssignableTo(jsoniterNumberType) {
+ return &jsoniterNumberCodec{}
+ }
+ return nil
+}
+
+type jsonNumberCodec struct {
+}
+
+func (codec *jsonNumberCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
+ switch iter.WhatIsNext() {
+ case StringValue:
+ *((*json.Number)(ptr)) = json.Number(iter.ReadString())
+ case NilValue:
+ iter.skipFourBytes('n', 'u', 'l', 'l')
+ *((*json.Number)(ptr)) = ""
+ default:
+ *((*json.Number)(ptr)) = json.Number([]byte(iter.readNumberAsString()))
+ }
+}
+
+func (codec *jsonNumberCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
+ number := *((*json.Number)(ptr))
+ if len(number) == 0 {
+ stream.writeByte('0')
+ } else {
+ stream.WriteRaw(string(number))
+ }
+}
+
+func (codec *jsonNumberCodec) IsEmpty(ptr unsafe.Pointer) bool {
+ return len(*((*json.Number)(ptr))) == 0
+}
+
+type jsoniterNumberCodec struct {
+}
+
+func (codec *jsoniterNumberCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
+ switch iter.WhatIsNext() {
+ case StringValue:
+ *((*Number)(ptr)) = Number(iter.ReadString())
+ case NilValue:
+ iter.skipFourBytes('n', 'u', 'l', 'l')
+ *((*Number)(ptr)) = ""
+ default:
+ *((*Number)(ptr)) = Number([]byte(iter.readNumberAsString()))
+ }
+}
+
+func (codec *jsoniterNumberCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
+ number := *((*Number)(ptr))
+ if len(number) == 0 {
+ stream.writeByte('0')
+ } else {
+ stream.WriteRaw(string(number))
+ }
+}
+
+func (codec *jsoniterNumberCodec) IsEmpty(ptr unsafe.Pointer) bool {
+ return len(*((*Number)(ptr))) == 0
+}