Add support for user-friendly names in YANG data with aliases in KV store
Change-Id: I8b4fbb290dfb467b401e8cf20b825ddbb3bf897e
diff --git a/vendor/github.com/coreos/etcd/pkg/types/urlsmap.go b/vendor/github.com/coreos/etcd/pkg/types/urlsmap.go
new file mode 100644
index 0000000..47690cc
--- /dev/null
+++ b/vendor/github.com/coreos/etcd/pkg/types/urlsmap.go
@@ -0,0 +1,107 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package types
+
+import (
+ "fmt"
+ "sort"
+ "strings"
+)
+
+// URLsMap is a map from a name to its URLs.
+type URLsMap map[string]URLs
+
+// NewURLsMap returns a URLsMap instantiated from the given string,
+// which consists of discovery-formatted names-to-URLs, like:
+// mach0=http://1.1.1.1:2380,mach0=http://2.2.2.2::2380,mach1=http://3.3.3.3:2380,mach2=http://4.4.4.4:2380
+func NewURLsMap(s string) (URLsMap, error) {
+ m := parse(s)
+
+ cl := URLsMap{}
+ for name, urls := range m {
+ us, err := NewURLs(urls)
+ if err != nil {
+ return nil, err
+ }
+ cl[name] = us
+ }
+ return cl, nil
+}
+
+// NewURLsMapFromStringMap takes a map of strings and returns a URLsMap. The
+// string values in the map can be multiple values separated by the sep string.
+func NewURLsMapFromStringMap(m map[string]string, sep string) (URLsMap, error) {
+ var err error
+ um := URLsMap{}
+ for k, v := range m {
+ um[k], err = NewURLs(strings.Split(v, sep))
+ if err != nil {
+ return nil, err
+ }
+ }
+ return um, nil
+}
+
+// String turns URLsMap into discovery-formatted name-to-URLs sorted by name.
+func (c URLsMap) String() string {
+ var pairs []string
+ for name, urls := range c {
+ for _, url := range urls {
+ pairs = append(pairs, fmt.Sprintf("%s=%s", name, url.String()))
+ }
+ }
+ sort.Strings(pairs)
+ return strings.Join(pairs, ",")
+}
+
+// URLs returns a list of all URLs.
+// The returned list is sorted in ascending lexicographical order.
+func (c URLsMap) URLs() []string {
+ var urls []string
+ for _, us := range c {
+ for _, u := range us {
+ urls = append(urls, u.String())
+ }
+ }
+ sort.Strings(urls)
+ return urls
+}
+
+// Len returns the size of URLsMap.
+func (c URLsMap) Len() int {
+ return len(c)
+}
+
+// parse parses the given string and returns a map listing the values specified for each key.
+func parse(s string) map[string][]string {
+ m := make(map[string][]string)
+ for s != "" {
+ key := s
+ if i := strings.IndexAny(key, ","); i >= 0 {
+ key, s = key[:i], key[i+1:]
+ } else {
+ s = ""
+ }
+ if key == "" {
+ continue
+ }
+ value := ""
+ if i := strings.Index(key, "="); i >= 0 {
+ key, value = key[:i], key[i+1:]
+ }
+ m[key] = append(m[key], value)
+ }
+ return m
+}