minimal vend

vendor/github.com/mmcdole/gofeed/extensions/extensions.go

@@ -0,0 +1,46 @@
+package ext
+
+// Extensions is the generic extension map for Feeds and Items.
+// The first map is for the element namespace prefix (e.g., itunes).
+// The second map is for the element name (e.g., author).
+type Extensions map[string]map[string][]Extension
+
+// Extension represents a single XML element that was in a non
+// default namespace in a Feed or Item/Entry.
+type Extension struct {
+	Name     string                 `json:"name"`
+	Value    string                 `json:"value"`
+	Attrs    map[string]string      `json:"attrs"`
+	Children map[string][]Extension `json:"children"`
+}
+
+func parseTextExtension(name string, extensions map[string][]Extension) (value string) {
+	if extensions == nil {
+		return
+	}
+
+	matches, ok := extensions[name]
+	if !ok || len(matches) == 0 {
+		return
+	}
+
+	match := matches[0]
+	return match.Value
+}
+
+func parseTextArrayExtension(name string, extensions map[string][]Extension) (values []string) {
+	if extensions == nil {
+		return
+	}
+
+	matches, ok := extensions[name]
+	if !ok || len(matches) == 0 {
+		return
+	}
+
+	values = []string{}
+	for _, m := range matches {
+		values = append(values, m.Value)
+	}
+	return
+}