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/*
* Copyright 2020 Vincent Sanders <vince@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* \file
* HTML Box tree construction interface.
*/
#ifndef NETSURF_HTML_BOX_CONSTRUCT_H
#define NETSURF_HTML_BOX_CONSTRUCT_H
/**
* Construct a box tree from a dom and html content
*
* \param n dom document
* \param c content of type CONTENT_HTML to construct box tree in
* \param cb callback to report conversion completion
* \param box_conversion_context pointer that recives the conversion context
* \return netsurf error code indicating status of call
*/
nserror dom_to_box(struct dom_node *n, struct html_content *c, box_construct_complete_cb cb, void **box_conversion_context);
/**
* aborts any ongoing box construction
*/
nserror cancel_dom_to_box(void *box_conversion_context);
/**
* Retrieve the box for a dom node, if there is one
*
* \param node The DOM node
* \return The box if there is one
*/
struct box *box_for_node(struct dom_node *node);
/**
* Extract a URL from a relative link, handling junk like whitespace and
* attempting to read a real URL from "javascript:" links.
*
* \param content html content
* \param dsrel relative URL text taken from page
* \param base base for relative URLs
* \param result updated to target URL on heap, unchanged if extract failed
* \return true on success, false on memory exhaustion
*/
bool box_extract_link(const struct html_content *content, const struct dom_string *dsrel, struct nsurl *base, struct nsurl **result);
#endif
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