[Minor] Add functions to deal with url protocols

src/libserver/url.c

@@ -3330,3 +3330,61 @@ rspamd_url_is_domain (int c)
 {
 	return is_domain ((guchar)c);
 }
+
+const gchar*
+rspamd_url_protocol_name (enum rspamd_url_protocol proto)
+{
+	const gchar *ret = "unknown";
+
+	switch (proto) {
+	case PROTOCOL_HTTP:
+		ret = "http";
+		break;
+	case PROTOCOL_HTTPS:
+		ret = "https";
+		break;
+	case PROTOCOL_FTP:
+		ret = "ftp";
+		break;
+	case PROTOCOL_FILE:
+		ret = "file";
+		break;
+	case PROTOCOL_MAILTO:
+		ret = "mailto";
+		break;
+	case PROTOCOL_TELEPHONE:
+		ret = "telephone";
+		break;
+	default:
+		break;
+	}
+
+	return ret;
+}
+
+enum rspamd_url_protocol
+rspamd_url_protocol_from_string (const gchar *str)
+{
+	enum rspamd_url_protocol ret = PROTOCOL_UNKNOWN;
+
+	if (strcmp (str, "http") == 0) {
+		ret = PROTOCOL_HTTP;
+	}
+	else if (strcmp (str, "https") == 0) {
+		ret = PROTOCOL_HTTPS;
+	}
+	else if (strcmp (str, "mailto") == 0) {
+		ret = PROTOCOL_MAILTO;
+	}
+	else if (strcmp (str, "ftp") == 0) {
+		ret = PROTOCOL_FTP;
+	}
+	else if (strcmp (str, "file") == 0) {
+		ret = PROTOCOL_FILE;
+	}
+	else if (strcmp (str, "telephone") == 0) {
+		ret = PROTOCOL_TELEPHONE;
+	}
+
+	return ret;
+}

src/libserver/url.h

@@ -79,13 +79,13 @@ enum uri_errno {
 };
 
 enum rspamd_url_protocol {
-	PROTOCOL_FILE = 0,
-	PROTOCOL_FTP,
-	PROTOCOL_HTTP,
-	PROTOCOL_HTTPS,
-	PROTOCOL_MAILTO,
-	PROTOCOL_TELEPHONE,
-	PROTOCOL_UNKNOWN
+	PROTOCOL_FILE = 1u << 0,
+	PROTOCOL_FTP = 1u << 1,
+	PROTOCOL_HTTP = 1u << 2,
+	PROTOCOL_HTTPS = 1u << 3,
+	PROTOCOL_MAILTO = 1u << 4,
+	PROTOCOL_TELEPHONE = 1u << 5,
+	PROTOCOL_UNKNOWN = -1,
 };
 
 /**
@@ -240,4 +240,18 @@ const gchar * rspamd_url_encode (struct rspamd_url *url, gsize *dlen,
  */
 gboolean rspamd_url_is_domain (int c);
 
+/**
+ * Returns symbolic name for protocol
+ * @param proto
+ * @return
+ */
+const gchar* rspamd_url_protocol_name (enum rspamd_url_protocol proto);
+
+
+/**
+ * Converts string to a numeric protocol
+ * @param str
+ * @return
+ */
+enum rspamd_url_protocol rspamd_url_protocol_from_string (const gchar *str);
 #endif