diff options
Diffstat (limited to 'src/kube2msb/vendor/k8s.io/kubernetes/third_party/forked/golang/reflect/type.go')
-rw-r--r-- | src/kube2msb/vendor/k8s.io/kubernetes/third_party/forked/golang/reflect/type.go | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/kube2msb/vendor/k8s.io/kubernetes/third_party/forked/golang/reflect/type.go b/src/kube2msb/vendor/k8s.io/kubernetes/third_party/forked/golang/reflect/type.go new file mode 100644 index 0000000..67957ee --- /dev/null +++ b/src/kube2msb/vendor/k8s.io/kubernetes/third_party/forked/golang/reflect/type.go @@ -0,0 +1,91 @@ +//This package is copied from Go library reflect/type.go. +//The struct tag library provides no way to extract the list of struct tags, only +//a specific tag +package reflect + +import ( + "fmt" + + "strconv" + "strings" +) + +type StructTag struct { + Name string + Value string +} + +func (t StructTag) String() string { + return fmt.Sprintf("%s:%q", t.Name, t.Value) +} + +type StructTags []StructTag + +func (tags StructTags) String() string { + s := make([]string, 0, len(tags)) + for _, tag := range tags { + s = append(s, tag.String()) + } + return "`" + strings.Join(s, " ") + "`" +} + +func (tags StructTags) Has(name string) bool { + for i := range tags { + if tags[i].Name == name { + return true + } + } + return false +} + +// ParseStructTags returns the full set of fields in a struct tag in the order they appear in +// the struct tag. +func ParseStructTags(tag string) (StructTags, error) { + tags := StructTags{} + for tag != "" { + // Skip leading space. + i := 0 + for i < len(tag) && tag[i] == ' ' { + i++ + } + tag = tag[i:] + if tag == "" { + break + } + + // Scan to colon. A space, a quote or a control character is a syntax error. + // Strictly speaking, control chars include the range [0x7f, 0x9f], not just + // [0x00, 0x1f], but in practice, we ignore the multi-byte control characters + // as it is simpler to inspect the tag's bytes than the tag's runes. + i = 0 + for i < len(tag) && tag[i] > ' ' && tag[i] != ':' && tag[i] != '"' && tag[i] != 0x7f { + i++ + } + if i == 0 || i+1 >= len(tag) || tag[i] != ':' || tag[i+1] != '"' { + break + } + name := string(tag[:i]) + tag = tag[i+1:] + + // Scan quoted string to find value. + i = 1 + for i < len(tag) && tag[i] != '"' { + if tag[i] == '\\' { + i++ + } + i++ + } + if i >= len(tag) { + break + } + qvalue := string(tag[:i+1]) + tag = tag[i+1:] + + value, err := strconv.Unquote(qvalue) + if err != nil { + return nil, err + } + tags = append(tags, StructTag{Name: name, Value: value}) + } + return tags, nil +} |