kubernetes type 源码
kubernetes type 代码
文件路径：/staging/src/k8s.io/code-generator/third_party/forked/golang/reflect/type.go
//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
}
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