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/*
* $Id: api.h,v 1.16 2020/01/17 23:11:59 tom Exp $
*/
/*
* The VileBuf structure is used by an extension language (such
* as Perl) interface to provide an interface to BUFFER. In this
* structure, we have a pointer to a BUFFER as well as other fields.
*
* In particular, the fwp (fake window pointer) is needed because
* most of vile's editing operations will not work right unless there
* is also an associated window. We don't necessarily want to change
* the user visible windows, so we create a fake window (and then
* later destroy it) for the express purpose of fooling the rest of
* vile into thinking that it's working on a real window. Care
* must be taken not to enter any display code, however, since these
* fake windows use negative numbers to denote the top line of the
* screen.
*/
typedef struct {
BUFFER * bp;
WINDOW * fwp; /* fake window pointer */
REGION region; /* Region to traverse */
REGIONSHAPE regionshape;
int inplace_edit; /* Delete after get? */
int dot_inited; /* Has dot been initialized
for api_dotgline? */
int changed; /* Were any changes done? */
int dot_changed; /* DOT explicitly changed --
implies that DOT should
be propagated */
B_COUNT ndel; /* number of characters to delete upon
setup; related to the inplace_edit
stuff */
#if OPT_PERL
void * perl_handle; /* perl visible handle to this
data structure */
#endif
} VileBuf;
/*
* A VileWin is a good deal simpler. It is simply a Window *. But
* to perl (and other extension languages as well), the window is
* represented by its id. When the actual window is needed, we use
* id2win (see window.c) to convert the id to the window.
*/
typedef WINDOW *VileWin;
extern int api_aline(VileBuf *, int, char *, int);
extern int api_edit(char *fname, VileBuf **retspp);
extern int api_dline(VileBuf *, int);
extern int api_gline(VileBuf *, int, char **, int *);
extern int api_sline(VileBuf *, int, char *, int);
extern int api_iline(VileBuf *, int, char *, int);
extern int api_lline(VileBuf *, int *);
extern int api_swscreen(VileBuf *, VileBuf *);
extern VileBuf *api_fscreen(char *);
extern VileBuf *api_bp2vbp(BUFFER *bp);
extern void api_command_cleanup(void);
extern int api_dotinsert(VileBuf *sp, char *text, int len);
extern int api_dotgline(VileBuf *, char **, B_COUNT *, int *);
extern int api_gotoline(VileBuf *sp, int lno);
extern void api_setup_fake_win(VileBuf *sp, int do_delete);
extern int api_delregion(VileBuf *vbp);
extern int api_motion(VileBuf *vbp, char *mstr);
extern void api_update(void);
extern WINDOW *curwp_visible;
#define vbp2bp(sp) (((VileBuf *)(sp))->bp)
#define bp2vbp(bp) ((VileBuf *) (bp)->b_api_private)
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