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Diffstat (limited to 'vendor/github.com/aws/aws-sdk-go/private/protocol/jsonvalue.go')
-rw-r--r--vendor/github.com/aws/aws-sdk-go/private/protocol/jsonvalue.go76
1 files changed, 76 insertions, 0 deletions
diff --git a/vendor/github.com/aws/aws-sdk-go/private/protocol/jsonvalue.go b/vendor/github.com/aws/aws-sdk-go/private/protocol/jsonvalue.go
new file mode 100644
index 0000000..776d110
--- /dev/null
+++ b/vendor/github.com/aws/aws-sdk-go/private/protocol/jsonvalue.go
@@ -0,0 +1,76 @@
+package protocol
+
+import (
+ "encoding/base64"
+ "encoding/json"
+ "fmt"
+ "strconv"
+
+ "github.com/aws/aws-sdk-go/aws"
+)
+
+// EscapeMode is the mode that should be use for escaping a value
+type EscapeMode uint
+
+// The modes for escaping a value before it is marshaled, and unmarshaled.
+const (
+ NoEscape EscapeMode = iota
+ Base64Escape
+ QuotedEscape
+)
+
+// EncodeJSONValue marshals the value into a JSON string, and optionally base64
+// encodes the string before returning it.
+//
+// Will panic if the escape mode is unknown.
+func EncodeJSONValue(v aws.JSONValue, escape EscapeMode) (string, error) {
+ b, err := json.Marshal(v)
+ if err != nil {
+ return "", err
+ }
+
+ switch escape {
+ case NoEscape:
+ return string(b), nil
+ case Base64Escape:
+ return base64.StdEncoding.EncodeToString(b), nil
+ case QuotedEscape:
+ return strconv.Quote(string(b)), nil
+ }
+
+ panic(fmt.Sprintf("EncodeJSONValue called with unknown EscapeMode, %v", escape))
+}
+
+// DecodeJSONValue will attempt to decode the string input as a JSONValue.
+// Optionally decoding base64 the value first before JSON unmarshaling.
+//
+// Will panic if the escape mode is unknown.
+func DecodeJSONValue(v string, escape EscapeMode) (aws.JSONValue, error) {
+ var b []byte
+ var err error
+
+ switch escape {
+ case NoEscape:
+ b = []byte(v)
+ case Base64Escape:
+ b, err = base64.StdEncoding.DecodeString(v)
+ case QuotedEscape:
+ var u string
+ u, err = strconv.Unquote(v)
+ b = []byte(u)
+ default:
+ panic(fmt.Sprintf("DecodeJSONValue called with unknown EscapeMode, %v", escape))
+ }
+
+ if err != nil {
+ return nil, err
+ }
+
+ m := aws.JSONValue{}
+ err = json.Unmarshal(b, &m)
+ if err != nil {
+ return nil, err
+ }
+
+ return m, nil
+}