mirror of
https://github.com/netsurf-browser/netsurf
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111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
/*
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* This file is part of NetSurf, http://netsurf.sourceforge.net/
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* Licensed under the GNU General Public License,
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* http://www.opensource.org/licenses/gpl-license
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* Copyright 2004 James Bursa <bursa@users.sourceforge.net>
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*/
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/** \file
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* Content for text/html (interface).
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*
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* These functions should in general be called via the content interface.
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*/
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#ifndef _NETSURF_RENDER_HTML_H_
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#define _NETSURF_RENDER_HTML_H_
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#include "libxml/HTMLparser.h"
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#include "netsurf/content/content_type.h"
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#include "netsurf/css/css.h"
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#include "netsurf/utils/pool.h"
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struct box;
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struct browser_window;
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struct content;
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struct object_params;
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struct imagemap;
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struct box_position {
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struct box *box;
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int actual_box_x;
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int actual_box_y;
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int plot_index;
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int pixel_offset;
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int char_offset;
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};
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/** Data specific to CONTENT_HTML. */
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struct content_html_data {
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htmlParserCtxt *parser; /**< HTML parser context. */
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xmlCharEncoding encoding; /**< Encoding of source. */
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bool getenc; /**< Need to get the encoding from the document, as server is broken. */
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char *base_url; /**< Base URL (may be a copy of content->url). */
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struct box *layout; /**< Box tree, or 0. */
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colour background_colour; /**< Document background colour. */
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/** Number of entries in stylesheet_content. */
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unsigned int stylesheet_count;
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/** Stylesheets. Each may be 0. Stylesheet 0 is the base style sheet,
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* stylesheet 1 is any <style> elements (not cached). */
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struct content **stylesheet_content;
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struct css_style *style; /**< Base style. */
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struct {
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struct box_position start;
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struct box_position end;
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enum { alter_UNKNOWN, alter_START, alter_END } altering;
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int selected; /* 0 = unselected, 1 = selected */
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} text_selection;
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struct font_set *fonts; /**< Set of fonts. */
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/** Number of entries in object. */
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unsigned int object_count;
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/** Objects. Each may be 0. */
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struct {
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char *url; /**< URL of this object. */
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struct content *content; /**< Content, or 0. */
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struct box *box; /**< Node in box tree containing it. */
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/** Pointer to array of permitted content_type, terminated by
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* CONTENT_UNKNOWN, or 0 if any type is acceptable. */
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const content_type *permitted_types;
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} *object;
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struct imagemap **imagemaps; /**< Hashtable of imagemaps */
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pool box_pool; /**< Memory pool for box tree. */
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pool string_pool; /**< Memory pool for strings. */
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};
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void html_create(struct content *c, const char *params[]);
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void html_process_data(struct content *c, char *data, unsigned long size);
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int html_convert(struct content *c, unsigned int width, unsigned int height);
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void html_revive(struct content *c, unsigned int width, unsigned int height);
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void html_reformat(struct content *c, unsigned int width, unsigned int height);
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void html_destroy(struct content *c);
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void html_fetch_object(struct content *c, char *url, struct box *box,
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const content_type *permitted_types);
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/* in riscos/htmlinstance.c */
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void html_add_instance(struct content *c, struct browser_window *bw,
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struct content *page, struct box *box,
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struct object_params *params, void **state);
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void html_reshape_instance(struct content *c, struct browser_window *bw,
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struct content *page, struct box *box,
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struct object_params *params, void **state);
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void html_remove_instance(struct content *c, struct browser_window *bw,
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struct content *page, struct box *box,
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struct object_params *params, void **state);
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/* in riscos/htmlredraw.c */
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void html_redraw(struct content *c, long x, long y,
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unsigned long width, unsigned long height,
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long clip_x0, long clip_y0, long clip_x1, long clip_y1,
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float scale);
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#endif
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