add k8s client

vendor/gopkg.in/igm/sockjs-go.v2/sockjs/mapping.go

@@ -0,0 +1,36 @@
+package sockjs
+
+import (
+	"net/http"
+	"regexp"
+)
+
+type mapping struct {
+	method string
+	path   *regexp.Regexp
+	chain  []http.HandlerFunc
+}
+
+func newMapping(method string, re string, handlers ...http.HandlerFunc) *mapping {
+	return &mapping{method, regexp.MustCompile(re), handlers}
+}
+
+type matchType uint32
+
+const (
+	fullMatch matchType = iota
+	pathMatch
+	noMatch
+)
+
+// matches checks if given req.URL is a match with a mapping. Match can be either full, partial (http method mismatch) or no match.
+func (m *mapping) matches(req *http.Request) (match matchType, method string) {
+	if !m.path.MatchString(req.URL.Path) {
+		match, method = noMatch, ""
+	} else if m.method != req.Method {
+		match, method = pathMatch, m.method
+	} else {
+		match, method = fullMatch, m.method
+	}
+	return
+}