[Project] Add a simple css rule definition

src/libserver/css/css_rule.hxx

@@ -0,0 +1,57 @@
+/*-
+ * Copyright 2021 Vsevolod Stakhov
+ *
+ * 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.
+ */
+
+#ifndef RSPAMD_CSS_RULE_HXX
+#define RSPAMD_CSS_RULE_HXX
+
+#include "css_value.hxx"
+#include "css_property.hxx"
+#include <vector>
+#include <memory>
+
+namespace rspamd {
+
+namespace css {
+
+class css_rule {
+	css_property prop;
+	using css_values_vec = std::vector<std::unique_ptr<css_value> >;
+	css_values_vec values;
+public:
+	/* We must create css rule explicitly from a property and values */
+	css_rule() = delete;
+	css_rule(const css_rule &other) = delete;
+	/* Constructors */
+	css_rule(css_rule &&other) = default;
+	explicit css_rule(css_property &&prop, css_values_vec &&values) :
+		prop(prop), values(values) {}
+	explicit css_rule(css_property &&prop) : prop(prop), values{} {}
+	/* Methods */
+	void add_value(std::unique_ptr<css_value> &&value) {
+		values.emplace_back(std::forward<std::unique_ptr<css_value>>(value));
+	}
+	void add_value(const css_value &value) {
+		values.emplace_back(std::make_unique<css_value>(css_value{value}));
+	}
+	const css_values_vec& get_values(void) { return values; }
+	const css_property& get_prop(void) { return prop; }
+};
+
+}
+
+}
+
+#endif //RSPAMD_CSS_RULE_HXX