diff options
Diffstat (limited to 'vendor/k8s.io/apimachinery/pkg/util/json/json.go')
-rw-r--r-- | vendor/k8s.io/apimachinery/pkg/util/json/json.go | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/util/json/json.go b/vendor/k8s.io/apimachinery/pkg/util/json/json.go deleted file mode 100644 index 778e58f70..000000000 --- a/vendor/k8s.io/apimachinery/pkg/util/json/json.go +++ /dev/null @@ -1,159 +0,0 @@ -/* -Copyright 2015 The Kubernetes Authors. - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package json - -import ( - "bytes" - "encoding/json" - "fmt" - "io" -) - -// NewEncoder delegates to json.NewEncoder -// It is only here so this package can be a drop-in for common encoding/json uses -func NewEncoder(w io.Writer) *json.Encoder { - return json.NewEncoder(w) -} - -// Marshal delegates to json.Marshal -// It is only here so this package can be a drop-in for common encoding/json uses -func Marshal(v interface{}) ([]byte, error) { - return json.Marshal(v) -} - -// limit recursive depth to prevent stack overflow errors -const maxDepth = 10000 - -// Unmarshal unmarshals the given data -// If v is a *map[string]interface{}, *[]interface{}, or *interface{} numbers -// are converted to int64 or float64 -func Unmarshal(data []byte, v interface{}) error { - switch v := v.(type) { - case *map[string]interface{}: - // Build a decoder from the given data - decoder := json.NewDecoder(bytes.NewBuffer(data)) - // Preserve numbers, rather than casting to float64 automatically - decoder.UseNumber() - // Run the decode - if err := decoder.Decode(v); err != nil { - return err - } - // If the decode succeeds, post-process the map to convert json.Number objects to int64 or float64 - return ConvertMapNumbers(*v, 0) - - case *[]interface{}: - // Build a decoder from the given data - decoder := json.NewDecoder(bytes.NewBuffer(data)) - // Preserve numbers, rather than casting to float64 automatically - decoder.UseNumber() - // Run the decode - if err := decoder.Decode(v); err != nil { - return err - } - // If the decode succeeds, post-process the map to convert json.Number objects to int64 or float64 - return ConvertSliceNumbers(*v, 0) - - case *interface{}: - // Build a decoder from the given data - decoder := json.NewDecoder(bytes.NewBuffer(data)) - // Preserve numbers, rather than casting to float64 automatically - decoder.UseNumber() - // Run the decode - if err := decoder.Decode(v); err != nil { - return err - } - // If the decode succeeds, post-process the map to convert json.Number objects to int64 or float64 - return ConvertInterfaceNumbers(v, 0) - - default: - return json.Unmarshal(data, v) - } -} - -// ConvertInterfaceNumbers converts any json.Number values to int64 or float64. -// Values which are map[string]interface{} or []interface{} are recursively visited -func ConvertInterfaceNumbers(v *interface{}, depth int) error { - var err error - switch v2 := (*v).(type) { - case json.Number: - *v, err = convertNumber(v2) - case map[string]interface{}: - err = ConvertMapNumbers(v2, depth+1) - case []interface{}: - err = ConvertSliceNumbers(v2, depth+1) - } - return err -} - -// ConvertMapNumbers traverses the map, converting any json.Number values to int64 or float64. -// values which are map[string]interface{} or []interface{} are recursively visited -func ConvertMapNumbers(m map[string]interface{}, depth int) error { - if depth > maxDepth { - return fmt.Errorf("exceeded max depth of %d", maxDepth) - } - - var err error - for k, v := range m { - switch v := v.(type) { - case json.Number: - m[k], err = convertNumber(v) - case map[string]interface{}: - err = ConvertMapNumbers(v, depth+1) - case []interface{}: - err = ConvertSliceNumbers(v, depth+1) - } - if err != nil { - return err - } - } - return nil -} - -// ConvertSliceNumbers traverses the slice, converting any json.Number values to int64 or float64. -// values which are map[string]interface{} or []interface{} are recursively visited -func ConvertSliceNumbers(s []interface{}, depth int) error { - if depth > maxDepth { - return fmt.Errorf("exceeded max depth of %d", maxDepth) - } - - var err error - for i, v := range s { - switch v := v.(type) { - case json.Number: - s[i], err = convertNumber(v) - case map[string]interface{}: - err = ConvertMapNumbers(v, depth+1) - case []interface{}: - err = ConvertSliceNumbers(v, depth+1) - } - if err != nil { - return err - } - } - return nil -} - -// convertNumber converts a json.Number to an int64 or float64, or returns an error -func convertNumber(n json.Number) (interface{}, error) { - // Attempt to convert to an int64 first - if i, err := n.Int64(); err == nil { - return i, nil - } - // Return a float64 (default json.Decode() behavior) - // An overflow will return an error - return n.Float64() -} |