mirror of
https://github.com/netsurf-browser/netsurf
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105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/**
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* $Id: content.h,v 1.5 2003/04/06 18:09:34 bursa Exp $
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*/
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#ifndef _NETSURF_DESKTOP_CONTENT_H_
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#define _NETSURF_DESKTOP_CONTENT_H_
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#include "libxml/HTMLparser.h"
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#include "netsurf/content/cache.h"
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#include "netsurf/css/css.h"
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#include "netsurf/render/box.h"
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#include "netsurf/riscos/font.h"
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/**
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* A struct content corresponds to a single url.
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*
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* It is in one of the following states:
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* CONTENT_FETCHING - the data is being fetched and/or converted
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* for use by the browser
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* CONTENT_READY - the content has been processed and is ready
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* to display
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*
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* The converted data is stored in the cache, not the source data.
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* Users of the structure are counted in use_count; when use_count = 0
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* the content may be removed from the memory cache.
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*/
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typedef enum {CONTENT_HTML, CONTENT_TEXTPLAIN, CONTENT_JPEG, CONTENT_CSS,
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CONTENT_PNG, CONTENT_OTHER} content_type;
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struct box_position
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{
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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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struct content
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{
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char *url;
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content_type type;
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enum {CONTENT_LOADING, CONTENT_READY} status;
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unsigned long width, height;
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union
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{
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struct
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{
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htmlParserCtxt* parser;
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xmlDoc* document;
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xmlNode* markup;
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struct box* layout;
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unsigned int stylesheet_count;
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char **stylesheet_url;
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struct content **stylesheet_content;
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struct css_style* 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;
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struct page_elements elements;
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} html;
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struct
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{
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struct css_stylesheet *css;
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unsigned int import_count;
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struct content **import_content;
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} css;
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struct
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{
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char * data;
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unsigned long length;
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} jpeg;
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} data;
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struct cache_entry *cache;
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unsigned long size;
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char *title;
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unsigned int active;
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int error;
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void (*status_callback)(void *p, const char *status);
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void *status_p;
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};
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content_type content_lookup(const char *mime_type);
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struct content * content_create(content_type type, char *url);
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void content_process_data(struct content *c, char *data, unsigned long size);
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int content_convert(struct content *c, unsigned long width, unsigned long height);
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void content_revive(struct content *c, unsigned long width, unsigned long height);
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void content_reformat(struct content *c, unsigned long width, unsigned long height);
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void content_destroy(struct content *c);
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#endif
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