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/* -*- 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: */
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