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140 lines
3.6 KiB
C
140 lines
3.6 KiB
C
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#ifndef EL__DOCUMENT_HTML_RENDERER_H
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#define EL__DOCUMENT_HTML_RENDERER_H
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#include "document/document.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct el_box;
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struct cache_entry;
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struct html_context;
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struct string;
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void render_html_document(struct cache_entry *cached, struct document *document, struct string *buffer);
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/* Interface with parser.c */
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enum html_special_type {
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SP_TAG,
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SP_FORM,
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SP_CONTROL,
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SP_TABLE,
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SP_USED,
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SP_FRAMESET,
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SP_FRAME,
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SP_NOWRAP,
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SP_CACHE_CONTROL,
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SP_CACHE_EXPIRES,
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SP_REFRESH,
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SP_STYLESHEET,
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SP_COLOR_LINK_LINES,
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SP_SCRIPT,
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SP_IFRAME
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};
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typedef unsigned int html_special_type_T;
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/* Interface with tables.c */
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/* This holds some context about what we're currently rendering. We only need
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* one of these, until we start dealing with tables, at which point the table
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* code will create short-lived parts to provide context when it calls routines
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* in the renderer or the parser. */
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struct part {
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struct document *document;
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char *spaces;
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int spaces_len;
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#ifdef CONFIG_UTF8
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char *char_width;
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#endif
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struct el_box box;
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int max_width;
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int xa;
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int cx, cy;
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int link_num;
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unsigned int begin:1;
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};
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struct link_state_info {
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char *link;
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char *target;
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char *image;
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struct el_form_control *form;
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};
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struct renderer_context {
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int last_link_to_move;
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struct tag *last_tag_to_move;
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/* All tags between document->tags and this tag (inclusive) should
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* be aligned to the next line break, unless some real content follows
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* the tag. Therefore, this virtual tags list accumulates new tags as
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* they arrive and empties when some real content is written; if a line
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* break is inserted in the meanwhile, the tags follow it (ie. imagine
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* <a name="x"> <p>, then the "x" tag follows the line breaks inserted
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* by the <p> tag). */
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struct tag *last_tag_for_newline;
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struct link_state_info link_state_info;
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struct conv_table *convert_table;
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/* Used for setting cache info from HTTP-EQUIV meta tags. */
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struct cache_entry *cached;
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int g_ctrl_num;
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int subscript; /* Count stacked subscripts */
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int supscript; /* Count stacked supscripts */
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unsigned int empty_format:1;
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unsigned int nobreak:1;
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unsigned int nosearchable:1;
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unsigned int nowrap:1; /* Activated/deactivated by SP_NOWRAP. */
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};
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extern struct renderer_context renderer_context;
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void expand_lines(struct html_context *html_context, struct part *part,
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int x, int y, int lines, color_T bgcolor);
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void check_html_form_hierarchy(struct part *part);
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void draw_blockquote_chars(struct part *part, int y, struct html_context *html_context);
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void draw_frame_hchars(struct part *, int, int, int, unsigned char data, color_T bgcolor, color_T fgcolor, struct html_context *html_context);
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void draw_frame_vchars(struct part *, int, int, int, unsigned char data, color_T bgcolor, color_T fgcolor, struct html_context *html_context);
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void free_table_cache(void);
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struct part *format_html_part(struct html_context *html_context, char *, char *, int, int, int, struct document *, int, int, char *, int);
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int dec2qwerty(int num, char *link_sym, const char *key, int base);
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int qwerty2dec(const char *link_sym, const char *key, int base);
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void put_chars_conv(struct html_context *html_context, const char *chars, int charslen);
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void line_break(struct html_context *html_context);
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void *html_special(struct html_context *html_context, html_special_type_T c, ...);
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#ifdef CONFIG_COMBINE
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/** Discard any combining characters that have not yet been combined
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* with to the previous base character. */
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void discard_comb_x_y(struct document *document);
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#else
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# define discard_comb_x_y(document) ((void) 0)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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