1 files changed, 110 insertions, 0 deletions
diff --git a/include/orcus/css_selector.hpp b/include/orcus/css_selector.hpp
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+++ b/include/orcus/css_selector.hpp
@@ -0,0 +1,110 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_ORCUS_CSS_SELECTOR_HPP
+#define INCLUDED_ORCUS_CSS_SELECTOR_HPP
+
+#include "env.hpp"
+#include "css_types.hpp"
+
+#include <ostream>
+#include <variant>
+#include <vector>
+#include <unordered_set>
+#include <unordered_map>
+
+namespace orcus {
+
+struct ORCUS_DLLPUBLIC css_simple_selector_t
+{
+    typedef std::unordered_set<std::string_view> classes_type;
+
+    std::string_view name;
+    std::string_view id;
+    classes_type classes;
+    css::pseudo_class_t pseudo_classes;
+
+    css_simple_selector_t();
+
+    void clear();
+    bool empty() const;
+
+    bool operator== (const css_simple_selector_t& r) const;
+    bool operator!= (const css_simple_selector_t& r) const;
+
+    struct hash
+    {
+        size_t operator() (const css_simple_selector_t& ss) const;
+    };
+};
+
+struct ORCUS_DLLPUBLIC css_chained_simple_selector_t
+{
+    css::combinator_t combinator;
+    css_simple_selector_t simple_selector;
+
+    bool operator== (const css_chained_simple_selector_t& r) const;
+
+    css_chained_simple_selector_t();
+    css_chained_simple_selector_t(const css_simple_selector_t& ss);
+    css_chained_simple_selector_t(css::combinator_t op, const css_simple_selector_t& ss);
+};
+
+/**
+ * Each CSS selector consists of one or more chained simple selectors.
+ */
+struct ORCUS_DLLPUBLIC css_selector_t
+{
+    typedef std::vector<css_chained_simple_selector_t> chained_type;
+    css_simple_selector_t first;
+    chained_type chained;
+
+    void clear();
+
+    bool operator== (const css_selector_t& r) const;
+};
+
+/**
+ * Structure representing a single CSS property value.
+ */
+struct ORCUS_DLLPUBLIC css_property_value_t
+{
+    using value_type = std::variant<std::string_view, css::rgba_color_t, css::hsla_color_t>;
+
+    css::property_value_t type;
+    value_type value;
+
+    css_property_value_t();
+    css_property_value_t(const css_property_value_t& r);
+
+    /**
+     * Constructor that takes a string value.
+     *
+     * @param _str string value to store. This value should point to a string
+     *            buffer that's already been interned. The caller is
+     *            responsible for managing the life cycle of the source string
+     *            buffer.
+     */
+    css_property_value_t(std::string_view _str);
+
+    css_property_value_t& operator= (const css_property_value_t& r);
+
+    void swap(css_property_value_t& r);
+};
+
+typedef std::unordered_map<std::string_view, std::vector<css_property_value_t>> css_properties_t;
+typedef std::unordered_map<css::pseudo_element_t, css_properties_t> css_pseudo_element_properties_t;
+
+ORCUS_DLLPUBLIC std::ostream& operator<< (std::ostream& os, const css_simple_selector_t& v);
+ORCUS_DLLPUBLIC std::ostream& operator<< (std::ostream& os, const css_selector_t& v);
+ORCUS_DLLPUBLIC std::ostream& operator<< (std::ostream& os, const css_property_value_t& v);
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */