/*
 * $LynxId: LYStructs.h,v 1.30 2010/12/08 23:30:08 tom Exp $
 */
#ifndef LYSTRUCTS_H
#define LYSTRUCTS_H

#ifndef HTANCHOR_H
#include <HTAnchor.h>
#endif /* HTANCHOR_H */

#ifdef __cplusplus
extern "C" {
#endif
    typedef struct {
	char *hl_text;
	short hl_x;
    } HiliteInfo;

    typedef struct {
	HiliteInfo *hl_info;
	HiliteInfo hl_base;
	short hl_len;		/* number of strings in this struct */
    } HiliteList;

    typedef struct {
	char *lname;
	char *target;
	char *l_hightext;
	char *l_hightext2;
	int l_hightext2_offset;
	BOOL inUnderline;	/* TRUE when this link is in underlined context. */
	int lx;
	int ly;
	int type;		/* Type of link, Forms, WWW, etc. */
	int sgml_offset;	/* document offset used in reparsing */
	int anchor_number;	/* The anchor number within the HText structure.  */
	int anchor_line_num;	/* The anchor line number in the HText structure. */
	HiliteList list;
	struct _FormInfo *l_form;	/* Pointer to form info. */
    } LinkInfo;
    extern LinkInfo links[MAXLINKS];
    extern int nlinks;

    typedef struct {
	/* FIXME: see DocAddress */
	char *title;
	char *address;
	bstring *post_data;
	char *post_content_type;
	char *bookmark;
	BOOL isHEAD;
	BOOL safe;

	int link;
	int line;
	BOOL internal_link;	/* whether doc was reached via an internal
				   (fragment) link. - kw */
#ifdef USE_COLOR_STYLE
	char *style;
#endif
    } DocInfo;

    typedef struct {
	DocInfo hdoc;
	int intern_seq_start;	/* indicates which element on the history
				   is the start of this sequence of
				   "internal links", otherwise -1 */
    } HistInfo;

#define HDOC(n) history[n].hdoc

    extern int Visited_Links_As;

#define VISITED_LINKS_AS_FIRST_V 0
#define VISITED_LINKS_AS_TREE    1
#define VISITED_LINKS_AS_LATEST  2
#define VISITED_LINKS_REVERSE    4

    typedef struct _VisitedLink {
	char *title;
	char *address;
	int level;
	struct _VisitedLink *next_tree;
	struct _VisitedLink *prev_latest;
	struct _VisitedLink *next_latest;
	struct _VisitedLink *prev_first;
    } VisitedLink;

    extern HistInfo *history;
    extern int nhist;
    extern int size_history;

/******************************************************************************/

    typedef struct _lynx_list_item_type {
	struct _lynx_list_item_type *next;	/* the next item in the linked list */
	char *name;		/* a description of the item */
	char *menu_name;	/* menu-name for EXTERNAL / EXTERNAL_MENU */
	char *command;		/* the command to execute */
	BOOL always_enabled;	/* a constant to tell whether or
				 * not to disable the printer
				 * when the no_print option is on
				 */
	/* HTML lists: */
	BOOL override_action;	/* whether primary action will be
				 * overridden by this - e.g. this
				 * allows invoking user's MUA when
				 * mailto:  link is activated using
				 * normal "activate" command.  This
				 * field is only examined by code that
				 * handles EXTERNAL command.
				 */
	/* PRINTER lists: */
	int pagelen;		/* an integer to store the printer's
				 * page length
				 */
    } lynx_list_item_type;

    extern lynx_list_item_type *printers;

/* for download commands */
    extern lynx_list_item_type *downloaders;

/* for upload commands */
    extern lynx_list_item_type *uploaders;

#ifdef USE_EXTERNALS
/* for external commands */
    extern lynx_list_item_type *externals;
#endif

/******************************************************************************/

    typedef struct {
	const char *name;
	int value;
    } Config_Enum;

    typedef int (*ParseFunc) (char *);

#define ParseUnionMembers \
	lynx_list_item_type** add_value; \
	BOOLEAN * set_value; \
	int *     int_value; \
	char **   str_value; \
	ParseFunc fun_value; \
	long	  def_value; \
	HTList**  lst_value

    typedef union {
	ParseUnionMembers;
    } ParseUnion;

#define	PARSE_DEBUG 1
#ifdef	PARSE_DEBUG

#define ParseUnionPtr      Config_Type *
#define ParseUnionOf(tbl)  tbl
#define ParseData          ParseUnionMembers

#define UNION_ADD(v) &v,  0,  0,  0,  0,  0,  0
#define UNION_SET(v)  0, &v,  0,  0,  0,  0,  0
#define UNION_INT(v)  0,  0, &v,  0,  0,  0,  0
#define UNION_STR(v)  0,  0,  0, &v,  0,  0,  0
#define UNION_ENV(v)  0,  0,  0,  v,  0,  0,  0
#define UNION_FUN(v)  0,  0,  0,  0,  v,  0,  0
#define UNION_DEF(v)  0,  0,  0,  0,  0,  v,  0
#define UNION_LST(v)  0,  0,  0,  0,  0,  0, &v

#else

    typedef void *ParseType;

#define ParseUnionPtr      ParseUnion *
#define ParseUnionOf(tbl) (ParseUnionPtr)(&(tbl->value))
#define ParseData          ParseType value

#define UNION_ADD(v) (ParseType)&(v)
#define UNION_SET(v) (ParseType)&(v)
#define UNION_INT(v) (ParseType)&(v)
#define UNION_STR(v) (ParseType)&(v)
#define UNION_ENV(v) (ParseType) (v)
#define UNION_FUN(v) (ParseType) (v)
#define UNION_DEF(v) (ParseType) (v)
#define UNION_LST(v) (ParseType)&(v)

#endif

#ifdef __cplusplus
}
#endif
#endif				/* LYSTRUCTS_H */