📄 internal.h

📁 elinks下lynx是最重要的二个文本浏览器, 在linux下非常实用, elinks也是gentoo安装过程中默认使用的浏览器, 这是elinks源代码
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#ifndef EL__DOCUMENT_HTML_INTERNAL_H#define EL__DOCUMENT_HTML_INTERNAL_H#include "document/css/stylesheet.h"#include "document/html/parser.h"#include "util/lists.h"struct document_options;struct uri;/* For parser/parse.c: */void process_head(struct html_context *html_context, unsigned char *head);void put_chrs(struct html_context *html_context, unsigned char *start, int len);enum html_whitespace_state {	/* Either we are starting a new "block" or the last segment of the	 * current "block" is ending with whitespace and we should eat any	 * leading whitespace of the next segment passed to put_chrs().	 * This prevents HTML whitespace from indenting new blocks by one	 * or creating two consecutive segments of whitespace in the middle	 * of a block. */	HTML_SPACE_SUPPRESS,	/* Do not do anything special.  */	HTML_SPACE_NORMAL,	/* We should add a space when we start the next segment if it doesn't	 * already start with whitespace. This is used in an "x  </y>  z"	 * scenario when the parser hits </y>: it renders "x" and sets this,	 * so that it will then render " z". XXX: Then we could of course	 * render "x " and set -1. But we test for this value in parse_html()	 * if we hit an opening tag of an element and potentially	 * put_chrs(" "). That needs more investigation yet. --pasky */	HTML_SPACE_ADD,};struct html_context {#ifdef CONFIG_CSS	/* The default stylesheet is initially merged into it. When parsing CSS	 * from <style>-tags and external stylesheets if enabled is merged	 * added to it. */	struct css_stylesheet css_styles;#endif	/* These are global per-document base values, alterable by the <base>	 * element. */	struct uri *base_href;	unsigned char *base_target;	struct document_options *options;	/* For:	 * html/parser/parse.c	 * html/parser/stack.c	 * html/parser.c */	struct list_head stack;	/* For parser/parse.c: */	unsigned char *eoff; /* For parser/forms.c too */	int line_breax; /* This is for ln_break. */	int position;	enum html_whitespace_state putsp; /* This is for the put_chrs					   * state-machine. */	int was_li;	unsigned int was_br:1;	unsigned int was_xmp:1;	unsigned int has_link_lines:1;	unsigned int was_body:1; /* For META refresh inside <body>. */	unsigned int was_body_background:1; /* For <HTML> with style. */	/* For html/parser.c, html/renderer.c */	int margin;	/* For parser/forms.c: */	unsigned char *startf;	/* For:	 * html/parser/parse.c	 * html/parser.c	 * html/renderer.c	 * html/tables.c */	int table_level;	/* For:	 * html/parser/forms.c	 * html/parser/link.c	 * html/parser/parse.c	 * html/parser/stack.c	 * html/parser.c */	struct part *part;	/* For:	 * html/parser/forms.c	 * html/parser/link.c	 * html/parser/parse.c	 * html/parser.c */	void (*put_chars_f)(struct html_context *, unsigned char *, int);	/* For:	 * html/parser/forms.c	 * html/parser/link.c	 * html/parser/parse.c	 * html/parser/stack.c	 * html/parser.c */	void (*line_break_f)(struct html_context *);	/* For:	 * html/parser/forms.c	 * html/parser/parse.c	 * html/parser.c */	void *(*special_f)(struct html_context *, enum html_special_type, ...);};#define format (((struct html_element *) html_context->stack.next)->attr)#define par_format (((struct html_element *) html_context->stack.next)->parattr)#define html_top (*(struct html_element *) html_context->stack.next)#define html_is_preformatted() (format.style.attr & AT_PREFORMATTED)#define get_html_max_width() \	int_max(par_format.width - (par_format.leftmargin + par_format.rightmargin), 0)/* For parser/link.c: */void html_focusable(struct html_context *html_context, unsigned char *a);void html_skip(struct html_context *html_context, unsigned char *a);unsigned char *get_target(struct document_options *options, unsigned char *a);voidimport_css_stylesheet(struct css_stylesheet *css, struct uri *base_uri,		      unsigned char *url, int len);#endif
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