Work on API

src/api/encoding.rs

@@ -0,0 +1,33 @@
+pub fn xml_escape(s: &str) -> String {
+	s.replace("<", "&lt;")
+		.replace(">", "&gt;")
+		.replace("\"", "&quot;")
+}
+
+pub fn uri_encode(string: &str, encode_slash: bool) -> String {
+	let mut result = String::with_capacity(string.len() * 2);
+	for c in string.chars() {
+		match c {
+			'a'..='z' | 'A'..='Z' | '0'..='9' | '_' | '-' | '~' | '.' => result.push(c),
+			'/' if encode_slash => result.push_str("%2F"),
+			'/' if !encode_slash => result.push('/'),
+			_ => {
+				result.push_str(
+					&format!("{}", c)
+						.bytes()
+						.map(|b| format!("%{:02X}", b))
+						.collect::<String>(),
+				);
+			}
+		}
+	}
+	result
+}
+
+pub fn xml_encode_key(k: &str, urlencode: bool) -> String {
+	if urlencode {
+		uri_encode(k, true)
+	} else {
+		xml_escape(k)
+	}
+}