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/*-
* Copyright (c) 1996
* Keith Bostic. All rights reserved.
*
* See the LICENSE file for redistribution information.
*/
#include "config.h"
#ifndef lint
static const char sccsid[] = "@(#)ip_main.c 8.3 (Berkeley) 10/13/96";
#endif /* not lint */
#include <sys/types.h>
#include <sys/queue.h>
#include <bitstring.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include "../common/common.h"
#include "ip.h"
static void ip_func_std __P((GS *));
static IP_PRIVATE *ip_init __P((GS *, char *));
static void perr __P((char *, char *));
/*
* main --
* This is the main loop for the vi-as-library editor.
*/
int
ip_main(argc, argv, gp, ip_arg)
int argc;
char *argv[], *ip_arg;
GS *gp;
{
EVENT ev;
IP_PRIVATE *ipp;
IP_BUF ipb;
int rval;
/* Create and partially initialize the IP structure. */
if ((ipp = ip_init(gp, ip_arg)) == NULL)
return (1);
/* Add the terminal type to the global structure. */
if ((OG_D_STR(gp, GO_TERM) =
OG_STR(gp, GO_TERM) = strdup("ip_curses")) == NULL)
perr(gp->progname, NULL);
/*
* Figure out how big the screen is -- read events until we get
* the rows and columns.
*/
do {
if (ip_event(NULL, &ev, 0, 0))
return (1);
} while (ev.e_event != E_EOF && ev.e_event != E_ERR &&
ev.e_event != E_QUIT && ev.e_event != E_WRESIZE &&
ev.e_event != E_SIGHUP && ev.e_event != E_SIGTERM);
if (ev.e_event != E_WRESIZE)
return (1);
/* Run ex/vi. */
rval = editor(gp, argc, argv);
/* Clean up the screen. */
(void)ip_quit(gp);
/* Free the global and IP private areas. */
#if defined(DEBUG) || defined(PURIFY) || defined(LIBRARY)
free(ipp);
free(gp);
#endif
return (rval);
}
/*
* ip_init --
* Create and partially initialize the GS structure.
*/
static IP_PRIVATE *
ip_init(gp, ip_arg)
GS *gp;
char *ip_arg;
{
IP_PRIVATE *ipp;
char *ep;
/* Allocate the IP private structure. */
CALLOC_NOMSG(NULL, ipp, IP_PRIVATE *, 1, sizeof(IP_PRIVATE));
if (ipp == NULL)
perr(gp->progname, NULL);
gp->ip_private = ipp;
/*
* Crack ip_arg -- it's of the form #.#, where the first number is the
* file descriptor from the screen, the second is the file descriptor
* to the screen.
*/
if (!isdigit(ip_arg[0]))
goto usage;
ipp->i_fd = strtol(ip_arg, &ep, 10);
if (ep[0] != '.' || !isdigit(ep[1]))
goto usage;
ipp->o_fd = strtol(++ep, &ep, 10);
if (ep[0] != '\0') {
usage: ip_usage();
return (NULL);
}
/* Initialize the list of ip functions. */
ip_func_std(gp);
return (ipp);
}
/*
* ip_func_std --
* Initialize the standard ip functions.
*/
static void
ip_func_std(gp)
GS *gp;
{
gp->scr_addstr = ip_addstr;
gp->scr_attr = ip_attr;
gp->scr_baud = ip_baud;
gp->scr_bell = ip_bell;
gp->scr_busy = ip_busy;
gp->scr_clrtoeol = ip_clrtoeol;
gp->scr_cursor = ip_cursor;
gp->scr_deleteln = ip_deleteln;
gp->scr_event = ip_event;
gp->scr_ex_adjust = ip_ex_adjust;
gp->scr_fmap = ip_fmap;
gp->scr_insertln = ip_insertln;
gp->scr_keyval = ip_keyval;
gp->scr_move = ip_move;
gp->scr_msg = NULL;
gp->scr_optchange = ip_optchange;
gp->scr_refresh = ip_refresh;
gp->scr_rename = ip_rename;
gp->scr_screen = ip_screen;
gp->scr_suspend = ip_suspend;
gp->scr_usage = ip_usage;
}
/*
* perr --
* Print system error.
*/
static void
perr(name, msg)
char *name, *msg;
{
(void)fprintf(stderr, "%s:", name);
if (msg != NULL)
(void)fprintf(stderr, "%s:", msg);
(void)fprintf(stderr, "%s\n", strerror(errno));
exit(1);
}
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