1 files changed, 100 insertions, 0 deletions
diff --git a/include/orcus/css_document_tree.hpp b/include/orcus/css_document_tree.hpp
new file mode 100644
index 0000000..abbc65a
--- /dev/null
+++ b/include/orcus/css_document_tree.hpp
@@ -0,0 +1,100 @@
+/* -*- 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_DOCUMENT_TREE_HPP
+#define INCLUDED_ORCUS_CSS_DOCUMENT_TREE_HPP
+
+#include "orcus/css_selector.hpp"
+#include "orcus/exception.hpp"
+
+#include <string>
+#include <memory>
+
+namespace orcus {
+
+/**
+ * Class representing CSS rules.
+ */
+class ORCUS_DLLPUBLIC css_document_tree
+{
+    struct impl;
+    std::unique_ptr<impl> mp_impl;
+
+public:
+
+    class insertion_error : public general_error
+    {
+    public:
+        insertion_error(const std::string& msg);
+    };
+
+    css_document_tree(const css_document_tree&) = delete;
+
+    css_document_tree();
+    css_document_tree(css_document_tree&& other);
+    ~css_document_tree();
+
+    css_document_tree& operator=(css_document_tree&& other);
+
+    /**
+     * Load raw string stream containing CSS rules to populate the document
+     * tree.
+     *
+     * @param stream raw CSS rules.
+     */
+    void load(std::string_view stream);
+
+    /**
+     * Insert or replace properties for given selector and pseudo element
+     * flags.
+     *
+     * @param selector selector to store properties for.
+     * @param pseudo_elem pseudo element flags for the last simple selector.
+     * @param props new properties to insert.
+     */
+    void insert_properties(
+        const css_selector_t& selector,
+        css::pseudo_element_t pseudo_elem,
+        const css_properties_t& props);
+
+    /**
+     * Get properties associated with given selector and one or more pseudo
+     * elements.
+     *
+     * @param selector selector to get properties for.
+     * @param pseudo_elem pseudo element flags for the last simple selector.
+     *                    This value is a bitfield.
+     *
+     * @return const pointer to the property set instance, or NULL in case
+     *         there is no properties for the given selector.
+     */
+    const css_properties_t* get_properties(
+        const css_selector_t& selector, css::pseudo_element_t pseudo_elem) const;
+
+    /**
+     * Get all sets of properties associated with given selector, for all
+     * pseudo element values.
+     *
+     * @param selector selector to get properties for.
+     *
+     * @return const pointer to the map of property sets with pseudo element
+     *         values as the keys, or NULL in case there is no properties for
+     *         the given selector.
+     */
+    const css_pseudo_element_properties_t*
+        get_all_properties(const css_selector_t& selector) const;
+
+    void dump() const;
+
+    void swap(css_document_tree& other) noexcept;
+};
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */