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path: root/vendor/github.com/google/go-github/github/strings.go
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-rw-r--r--vendor/github.com/google/go-github/github/strings.go93
1 files changed, 93 insertions, 0 deletions
diff --git a/vendor/github.com/google/go-github/github/strings.go b/vendor/github.com/google/go-github/github/strings.go
new file mode 100644
index 0000000..3857723
--- /dev/null
+++ b/vendor/github.com/google/go-github/github/strings.go
@@ -0,0 +1,93 @@
+// Copyright 2013 The go-github AUTHORS. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package github
+
+import (
+ "bytes"
+ "fmt"
+ "io"
+
+ "reflect"
+)
+
+var timestampType = reflect.TypeOf(Timestamp{})
+
+// Stringify attempts to create a reasonable string representation of types in
+// the GitHub library. It does things like resolve pointers to their values
+// and omits struct fields with nil values.
+func Stringify(message interface{}) string {
+ var buf bytes.Buffer
+ v := reflect.ValueOf(message)
+ stringifyValue(&buf, v)
+ return buf.String()
+}
+
+// stringifyValue was heavily inspired by the goprotobuf library.
+
+func stringifyValue(w io.Writer, val reflect.Value) {
+ if val.Kind() == reflect.Ptr && val.IsNil() {
+ w.Write([]byte("<nil>"))
+ return
+ }
+
+ v := reflect.Indirect(val)
+
+ switch v.Kind() {
+ case reflect.String:
+ fmt.Fprintf(w, `"%s"`, v)
+ case reflect.Slice:
+ w.Write([]byte{'['})
+ for i := 0; i < v.Len(); i++ {
+ if i > 0 {
+ w.Write([]byte{' '})
+ }
+
+ stringifyValue(w, v.Index(i))
+ }
+
+ w.Write([]byte{']'})
+ return
+ case reflect.Struct:
+ if v.Type().Name() != "" {
+ w.Write([]byte(v.Type().String()))
+ }
+
+ // special handling of Timestamp values
+ if v.Type() == timestampType {
+ fmt.Fprintf(w, "{%s}", v.Interface())
+ return
+ }
+
+ w.Write([]byte{'{'})
+
+ var sep bool
+ for i := 0; i < v.NumField(); i++ {
+ fv := v.Field(i)
+ if fv.Kind() == reflect.Ptr && fv.IsNil() {
+ continue
+ }
+ if fv.Kind() == reflect.Slice && fv.IsNil() {
+ continue
+ }
+
+ if sep {
+ w.Write([]byte(", "))
+ } else {
+ sep = true
+ }
+
+ w.Write([]byte(v.Type().Field(i).Name))
+ w.Write([]byte{':'})
+ stringifyValue(w, fv)
+ }
+
+ w.Write([]byte{'}'})
+ default:
+ if v.CanInterface() {
+ fmt.Fprint(w, v.Interface())
+ }
+ }
+}