cmd.c

举世闻名的joe记事本源程序

/*
 *	Command execution
 *	Copyright
 *		(C) 1992 Joseph H. Allen
 *
 *	This file is part of JOE (Joe's Own Editor)
 */
#include "types.h"

int joe_beep = 0;

/* Command table */

int ubeep(BW *bw, int k)
{
	ttputc(7);
	return 0;
}

CMD cmds[] = {
	{USTR "abort", TYPETW + TYPEPW + TYPEMENU + TYPEQW, uabort, NULL, 0, NULL},
	{USTR "abortbuf", TYPETW, uabortbuf, NULL, 0, NULL},
	{USTR "arg", TYPETW + TYPEPW + TYPEMENU + TYPEQW, uarg, NULL, 0, NULL},
	{USTR "ask", TYPETW + TYPEPW, uask, NULL, 0, NULL},
	{USTR "uarg", TYPETW + TYPEPW + TYPEMENU + TYPEQW, uuarg, NULL, 0, NULL},
	{USTR "backs", TYPETW + TYPEPW + ECHKXCOL + EFIXXCOL + EMINOR + EKILL + EMOD, ubacks, NULL, 1, USTR "delch"},
	{USTR "backsmenu", TYPEMENU, umbacks, NULL, 1, NULL},
	{USTR "backw", TYPETW + TYPEPW + ECHKXCOL + EFIXXCOL + EKILL + EMOD, ubackw, NULL, 1, USTR "delw"},
	{USTR "beep", TYPETW + TYPEPW + TYPEMENU + TYPEQW, ubeep, NULL, 0, NULL},
	{USTR "begin_marking", TYPETW + TYPEPW, ubegin_marking, NULL, 0, NULL},
	{USTR "bknd", TYPETW, ubknd, NULL, 0, NULL},
	{USTR "bkwdc", TYPETW + TYPEPW, ubkwdc, NULL, 1, USTR "fwrdc"},
	{USTR "blkcpy", TYPETW + TYPEPW + EFIXXCOL + EMOD + EBLOCK, ublkcpy, NULL, 1, NULL},
	{USTR "blkdel", TYPETW + TYPEPW + EFIXXCOL + EKILL + EMOD + EBLOCK, ublkdel, NULL, 0, NULL},
	{USTR "blkmove", TYPETW + TYPEPW + EFIXXCOL + EMOD + EBLOCK, ublkmove, NULL, 0, NULL},
	{USTR "blksave", TYPETW + TYPEPW + EBLOCK, ublksave, NULL, 0, NULL},
	{USTR "bof", TYPETW + TYPEPW + EMOVE + EFIXXCOL, u_goto_bof, NULL, 0, NULL},
	{USTR "bofmenu", TYPEMENU, umbof, NULL, 0, NULL},
	{USTR "bol", TYPETW + TYPEPW + EFIXXCOL, u_goto_bol, NULL, 0, NULL},
	{USTR "bolmenu", TYPEMENU, umbol, NULL, 0, NULL},
	{USTR "bop", TYPETW + TYPEPW + EFIXXCOL, ubop, NULL, 1, USTR "eop"},
	{USTR "bos", TYPETW + TYPEPW + EMOVE, ubos, NULL, 0, NULL},
	{USTR "bufed", TYPETW, ubufed, NULL, 0, NULL},
	{USTR "build", TYPETW + TYPEPW, ubuild, NULL, 0, NULL},
	{USTR "byte", TYPETW + TYPEPW, ubyte, NULL, 0, NULL},
	{USTR "cancel", TYPETW + TYPEPW + TYPEMENU + TYPEQW, ucancel, NULL, 0, NULL},
	{USTR "center", TYPETW + TYPEPW + EFIXXCOL + EMOD, ucenter, NULL, 1, NULL},
	{USTR "charset", TYPETW + TYPEPW, ucharset, NULL, 0, NULL}, 
	{USTR "ctrl", TYPETW + TYPEPW + EMOD, uctrl, NULL, 0, NULL},
	{USTR "col", TYPETW + TYPEPW, ucol, NULL, 0, NULL},
	{USTR "complete", TYPEPW + EMINOR + EMOD, ucmplt, NULL, 0, NULL},
	{USTR "copy", TYPETW + TYPEPW, ucopy, NULL, 0, NULL},
	{USTR "crawll", TYPETW + TYPEPW, ucrawll, NULL, 1, USTR "crawlr"},
	{USTR "crawlr", TYPETW + TYPEPW, ucrawlr, NULL, 1, USTR "crawll"},
	{USTR "defmdown", TYPETW+TYPEPW+TYPEQW+TYPEMENU, udefmdown, 0, 0, 0 },
	{USTR "defmup", TYPETW+TYPEPW, udefmup, 0, 0, 0 },
	{USTR "defmdrag", TYPETW+TYPEPW, udefmdrag, 0, 0, 0 },
	{USTR "defm2down", TYPETW+TYPEPW+TYPEMENU, udefm2down, 0, 0, 0 },
	{USTR "defm2up", TYPETW+TYPEPW, udefm2up, 0, 0, 0 },
	{USTR "defm2drag", TYPETW+TYPEPW, udefm2drag, 0, 0, 0 },
	{USTR "defm3down", TYPETW+TYPEPW, udefm3down, 0, 0, 0 },
	{USTR "defm3up", TYPETW+TYPEPW, udefm3up, 0, 0, 0 },
	{USTR "defm3drag", TYPETW+TYPEPW, udefm3drag, 0, 0, 0 },
	{USTR "delbol", TYPETW + TYPEPW + EFIXXCOL + EKILL + EMOD, udelbl, NULL, 1, USTR "deleol"},
	{USTR "delch", TYPETW + TYPEPW + ECHKXCOL + EFIXXCOL + EMINOR + EKILL + EMOD, udelch, NULL, 1, USTR "backs"},
	{USTR "deleol", TYPETW + TYPEPW + EKILL + EMOD, udelel, NULL, 1, USTR "delbol"}, 
	{USTR "dellin", TYPETW + TYPEPW + EFIXXCOL + EKILL + EMOD, udelln, NULL, 1, NULL}, 
	{USTR "delw", TYPETW + TYPEPW + EFIXXCOL + ECHKXCOL + EKILL + EMOD, u_word_delete, NULL, 1, USTR "backw"},
	{USTR "dnarw", TYPETW + TYPEPW + EMOVE, udnarw, NULL, 1, USTR "uparw"},
	{USTR "dnarwmenu", TYPEMENU, umdnarw, NULL, 1, USTR "uparwmenu"}, 
	{USTR "dnslide", TYPETW + TYPEPW + TYPEMENU + TYPEQW + EMOVE, udnslide, NULL, 1, USTR "upslide"},
	{USTR "dnslidemenu", TYPEMENU, umscrdn, NULL, 1, USTR "upslidemenu"},
	{USTR "drop", TYPETW + TYPEPW, udrop, NULL, 0, NULL},
	{USTR "dupw", TYPETW, uduptw, NULL, 0, NULL},
	{USTR "edit", TYPETW, uedit, NULL, 0, NULL},
	{USTR "else", TYPETW+TYPEPW+TYPEMENU+TYPEQW+EMETA, uelse, 0, 0, 0 },
	{USTR "elsif", TYPETW+TYPEPW+TYPEMENU+TYPEQW+EMETA, uelsif, 0, 0, 0 },
	{USTR "endif", TYPETW+TYPEPW+TYPEMENU+TYPEQW+EMETA, uendif, 0, 0, 0 },
	{USTR "eof", TYPETW + TYPEPW + EFIXXCOL + EMOVE, u_goto_eof, NULL, 0, NULL},
	{USTR "eofmenu", TYPEMENU, umeof, NULL, 0, NULL},
	{USTR "eol", TYPETW + TYPEPW + EFIXXCOL, u_goto_eol, NULL, 0, NULL},
	{USTR "eolmenu", TYPEMENU, umeol, NULL, 0, NULL},
	{USTR "eop", TYPETW + TYPEPW + EFIXXCOL, ueop, NULL, 1, USTR "bop"},
	{USTR "execmd", TYPETW + TYPEPW, uexecmd, NULL, 0, NULL},
	{USTR "explode", TYPETW + TYPEPW + TYPEMENU + TYPEQW, uexpld, NULL, 0, NULL},
	{USTR "exsave", TYPETW + TYPEPW, uexsve, NULL, 0, NULL},
	{USTR "ffirst", TYPETW + TYPEPW, pffirst, NULL, 0, NULL},
	{USTR "filt", TYPETW + TYPEPW + EMOD + EBLOCK, ufilt, NULL, 0, NULL},
	{USTR "finish", TYPETW + TYPEPW + EMOD, ufinish, NULL, 1, NULL},
	{USTR "fnext", TYPETW + TYPEPW, pfnext, NULL, 1, NULL},
	{USTR "format", TYPETW + TYPEPW + EFIXXCOL + EMOD, uformat, NULL, 1, NULL},
	{USTR "fmtblk", TYPETW + EMOD + EFIXXCOL + EBLOCK, ufmtblk, NULL, 1, NULL},
	{USTR "fwrdc", TYPETW + TYPEPW, ufwrdc, NULL, 1, USTR "bkwdc"},
	{USTR "gomark", TYPETW + TYPEPW + EMOVE, ugomark, NULL, 0, NULL},
	{USTR "grep", TYPETW, ugrep, NULL, 0, NULL},
	{USTR "groww", TYPETW, ugroww, NULL, 1, USTR "shrinkw"},
	{USTR "if", TYPETW+TYPEPW+TYPEMENU+TYPEQW+EMETA, uif, 0, 0, 0 },
	{USTR "isrch", TYPETW + TYPEPW, uisrch, NULL, 0, NULL},
	{USTR "jump", TYPETW, ujump, NULL, 0, NULL },
	{USTR "killjoe", TYPETW + TYPEPW + TYPEMENU + TYPEQW, ukilljoe, NULL, 0, NULL},
	{USTR "killproc", TYPETW + TYPEPW, ukillpid, NULL, 0, NULL},
	{USTR "help", TYPETW + TYPEPW + TYPEQW, u_help, NULL, 0, NULL},
	{USTR "home", TYPETW + TYPEPW + EFIXXCOL, uhome, NULL, 0, NULL},
	{USTR "hnext", TYPETW + TYPEPW + TYPEQW, u_help_next, NULL, 0, NULL},
	{USTR "hprev", TYPETW + TYPEPW + TYPEQW, u_help_prev, NULL, 0, NULL},
	{USTR "insc", TYPETW + TYPEPW + EFIXXCOL + EMOD, uinsc, NULL, 1, USTR "delch"},
	{USTR "keymap", TYPETW, ukeymap, 0, 0, 0 },    /* JM */
	{USTR "insf", TYPETW + TYPEPW + EMOD, uinsf, NULL, 0, NULL}, 
	{USTR "language", TYPETW + TYPEPW, ulanguage, NULL, 0, NULL}, 
	{USTR "lindent", TYPETW + TYPEPW + EFIXXCOL + EMOD + EBLOCK, ulindent, NULL, 1, USTR "rindent"},
	{USTR "line", TYPETW + TYPEPW, uline, NULL, 0, NULL},
	{USTR "lose", TYPETW + TYPEPW, ulose, NULL, 0, NULL}, 
	{USTR "lower", TYPETW + TYPEPW + EMOD + EBLOCK, ulower, NULL, 0, NULL},
	{USTR "ltarw", TYPETW + TYPEPW /* + EFIXXCOL + ECHKXCOL */, u_goto_left, NULL, 1, USTR "rtarw"},
	{USTR "ltarwmenu", TYPEMENU, umltarw, NULL, 1, USTR "rtarwmenu"},
	{USTR "macros", TYPETW + EFIXXCOL, umacros, NULL, 0, NULL},
	{USTR "debug_joe", TYPETW + EFIXXCOL, udebug_joe, NULL, 0, NULL},
	{USTR "markb", TYPETW + TYPEPW, umarkb, NULL, 0, NULL},
	{USTR "markk", TYPETW + TYPEPW, umarkk, NULL, 0, NULL},
	{USTR "markl", TYPETW + TYPEPW, umarkl, NULL, 0, NULL},
	{USTR "math", TYPETW + TYPEPW, umath, NULL, 0, NULL},
	{USTR "mode", TYPETW + TYPEPW + TYPEQW, umode, NULL, 0, NULL},
	{USTR "msg", TYPETW + TYPEPW + TYPEQW + TYPEMENU, umsg, NULL, 0, NULL},
	{USTR "mfit", TYPETW, umfit, NULL, 0, NULL},
	{USTR "mwind", TYPETW, umwind, NULL, 0, NULL},
	{USTR "name", TYPETW + TYPEPW, uname_joe, NULL, 0, NULL}, 
	{USTR "nbuf", TYPETW, unbuf, NULL, 1, USTR "pbuf"},
	{USTR "nedge", TYPETW + TYPEPW + EFIXXCOL, unedge, NULL, 1, USTR "pedge"}, 
	{USTR "nextpos", TYPETW + TYPEPW + EFIXXCOL + EMID + EPOS, unextpos, NULL, 1, USTR "prevpos"}, 
	{USTR "nextw", TYPETW + TYPEPW + TYPEMENU + TYPEQW, unextw, NULL, 1, USTR "prevw"},
	{USTR "nextword", TYPETW + TYPEPW + EFIXXCOL, u_goto_next, NULL, 1, USTR "prevword"},
	{USTR "nmark", TYPETW + TYPEPW, unmark, NULL, 0, NULL},
	{USTR "notmod", TYPETW, unotmod, NULL, 0, NULL},
	{USTR "nxterr", TYPETW, unxterr, NULL, 1, USTR "prverr"},
	{USTR "open", TYPETW + TYPEPW + EFIXXCOL + EMOD, uopen, NULL, 1, USTR "deleol"},
	{USTR "parserr", TYPETW, uparserr, NULL, 0, NULL},
	{USTR "paste", TYPETW + TYPEPW + EMOD, upaste, NULL, 0, NULL },
	{USTR "pbuf", TYPETW, upbuf, NULL, 1, USTR "nbuf"},
	{USTR "pedge", TYPETW + TYPEPW + EFIXXCOL, upedge, NULL, 1, USTR "nedge"}, 
	{USTR "pgdn", TYPETW + TYPEPW + TYPEMENU + TYPEQW + EMOVE, upgdn, NULL, 1, USTR "pgup"},
	{USTR "pgdnmenu", TYPEMENU, umpgdn, NULL, 1, USTR "pgupmenu"}, 
	{USTR "pgup", TYPETW + TYPEPW + TYPEMENU + TYPEQW + EMOVE, upgup, NULL, 1, USTR "pgdn"},
	{USTR "pgupmenu", TYPEMENU, umpgup, NULL, 1, USTR "pgdnmenu"}, 
	{USTR "picokill", TYPETW + TYPEPW + EFIXXCOL + EKILL + EMOD, upicokill, NULL, 1, NULL},
	{USTR "play", TYPETW + TYPEPW + TYPEMENU + TYPEQW, uplay, NULL, 1, NULL},	/* EFIXX? */ 
	{USTR "prevpos", TYPETW + TYPEPW + EPOS + EMID + EFIXXCOL, uprevpos, NULL, 1, USTR "nextpos"}, 
	{USTR "prevw", TYPETW + TYPEPW + TYPEMENU + TYPEQW, uprevw, NULL, 1, USTR "nextw"}, 
	{USTR "prevword", TYPETW + TYPEPW + EFIXXCOL + ECHKXCOL, u_goto_prev, NULL, 1, USTR "nextword"},
	{USTR "prverr", TYPETW, uprverr, NULL, 1, USTR "nxterr"},
	{USTR "psh", TYPETW + TYPEPW + TYPEMENU + TYPEQW, upsh, NULL, 0, NULL},
	{USTR "pop", TYPETW + TYPEPW + TYPEMENU + TYPEQW, upop, NULL, 0, NULL},
	{USTR "qrepl", TYPETW + TYPEPW + EMOD, pqrepl, NULL, 0, NULL},
	{USTR "query", TYPETW + TYPEPW + TYPEMENU + TYPEQW, uquery, NULL, 0, NULL},
	{USTR "querysave", TYPETW, uquerysave, NULL, 0, NULL},
	{USTR "quote", TYPETW + TYPEPW + EMOD, uquote, NULL, 0, NULL},
	{USTR "quote8", TYPETW + TYPEPW + EMOD, uquote8, NULL, 0, NULL},
	{USTR "record", TYPETW + TYPEPW + TYPEMENU + TYPEQW, urecord, NULL, 0, NULL},
	{USTR "redo", TYPETW + TYPEPW + EFIXXCOL, uredo, NULL, 1, USTR "undo"},
	{USTR "retype", TYPETW + TYPEPW + TYPEMENU + TYPEQW, uretyp, NULL, 0, NULL},
	{USTR "rfirst", TYPETW + TYPEPW, prfirst, NULL, 0, NULL}, 
	{USTR "rindent", TYPETW + TYPEPW + EFIXXCOL + EMOD + EBLOCK, urindent, NULL, 1, USTR "lindent"},
	{USTR "run", TYPETW + TYPEPW, urun, NULL, 0, NULL},
	{USTR "rsrch", TYPETW + TYPEPW, ursrch, NULL, 0, NULL},
	{USTR "rtarw", TYPETW + TYPEPW /* + EFIXXCOL */, u_goto_right, NULL, 1, USTR "ltarw"}, /* EFIX removed for picture mode */
	{USTR "rtarwmenu", TYPEMENU, umrtarw, NULL, 1, USTR "ltarwmenu"},
	{USTR "rtn", TYPETW + TYPEPW + TYPEMENU + TYPEQW + EMOD, urtn, NULL, 1, NULL},
	{USTR "save", TYPETW + TYPEPW, usave, NULL, 0, NULL},
	{USTR "savenow", TYPETW + TYPEPW, usavenow, NULL, 0, NULL},
	{USTR "scratch", TYPETW + TYPEPW, uscratch, NULL, 0, NULL},
	{USTR "select", TYPETW + TYPEPW, uselect, NULL, 0, NULL},
	{USTR "setmark", TYPETW + TYPEPW, usetmark, NULL, 0, NULL},
	{USTR "shell", TYPETW + TYPEPW + TYPEMENU + TYPEQW, ushell, NULL, 0, NULL},
	{USTR "showerr", TYPETW + TYPEPW, ucurrent_msg, NULL, 0, NULL},
	{USTR "shrinkw", TYPETW, ushrnk, NULL, 1, USTR "groww"},
	{USTR "splitw", TYPETW, usplitw, NULL, 0, NULL},
	{USTR "stat", TYPETW + TYPEPW, ustat, NULL, 0, NULL},
	{USTR "stop", TYPETW + TYPEPW + TYPEMENU + TYPEQW, ustop, NULL, 0, NULL},
	{USTR "swap", TYPETW + TYPEPW + EFIXXCOL, uswap, NULL, 0, NULL},
	{USTR "switch", TYPETW + TYPEPW, uswitch, NULL, 0, NULL},
	{USTR "sys", TYPETW + TYPEPW, usys, NULL, 0, NULL },
	{USTR "tabmenu", TYPEMENU, umtab, NULL, 1, USTR "ltarwmenu"},
	{USTR "tag", TYPETW + TYPEPW, utag, NULL, 0, NULL},
	{USTR "toggle_marking", TYPETW + TYPEPW, utoggle_marking, NULL, 0, NULL},
	{USTR "then", TYPEPW+EMOD, urtn, 0, 0, 0 },
	{USTR "tomarkb", TYPETW + TYPEPW + EFIXXCOL + EBLOCK, utomarkb, NULL, 0, NULL},
	{USTR "tomarkbk", TYPETW + TYPEPW + EFIXXCOL + EBLOCK, utomarkbk, NULL, 0, NULL},
	{USTR "tomarkk", TYPETW + TYPEPW + EFIXXCOL + EBLOCK, utomarkk, NULL, 0, NULL},
	{USTR "tomatch", TYPETW + TYPEPW + EFIXXCOL, utomatch, NULL, 0, NULL},
	{USTR "tomouse", TYPETW+TYPEPW+TYPEQW+TYPEMENU, utomouse, 0, 0, 0 },
	{USTR "tos", TYPETW + TYPEPW + EMOVE, utos, NULL, 0, NULL},
	{USTR "tw0", TYPETW + TYPEPW + TYPEQW + TYPEMENU, utw0, NULL, 0, NULL},
	{USTR "tw1", TYPETW + TYPEPW + TYPEQW + TYPEMENU, utw1, NULL, 0, NULL},
	{USTR "txt", TYPETW + TYPEPW, utxt, NULL, 0, NULL}, 
	{USTR "type", TYPETW + TYPEPW + TYPEQW + TYPEMENU + EMINOR + EMOD, utype, NULL, 1, USTR "backs"},
	{USTR "undo", TYPETW + TYPEPW + EFIXXCOL, uundo, NULL, 1, USTR "redo"},
	{USTR "uparw", TYPETW + TYPEPW + EMOVE, uuparw, NULL, 1, USTR "dnarw"},
	{USTR "uparwmenu", TYPEMENU, umuparw, NULL, 1, USTR "dnarwmenu"}, 
	{USTR "upper", TYPETW + TYPEPW + EMOD + EBLOCK, uupper, NULL, 0, NULL},
	{USTR "upslide", TYPETW + TYPEPW + TYPEMENU + TYPEQW + EMOVE, uupslide, NULL, 1, USTR "dnslide"},
	{USTR "upslidemenu", TYPEMENU, umscrup, NULL, 1, USTR "dnslidemenu"},
	{USTR "xtmouse", TYPETW+TYPEPW+TYPEMENU+TYPEQW, uxtmouse, 0, 0, 0 },
	{USTR "yank", TYPETW + TYPEPW + EFIXXCOL + EMOD, uyank, NULL, 1, NULL},
	{USTR "yapp", TYPETW + TYPEPW + EKILL, uyapp, NULL, 0, NULL},
	{USTR "yankpop", TYPETW + TYPEPW + EFIXXCOL + EMOD, uyankpop, NULL, 1, NULL}
};

/* Steal Lock dialog */

int nolocks;

#define LOCKMSG2 _("Could not create lock. (I) edit anyway, (Q) cancel edit? ")
#define LOCKMSG1 _("Locked by %s. (S)teal lock, (I) edit anyway, (Q) cancel edit? ")

unsigned char *steallock_key= (unsigned char *) _("|steal the lock|sS");
unsigned char *canceledit_key= (unsigned char *) _("|cancel edit due to lock|qQ");
unsigned char *ignorelock_key= (unsigned char *) _("|ignore lock, continue with edit|iI");

int steal_lock(BW *bw,int c,B *b,int *notify)
{
	if (yncheck(steallock_key, c)) {
		unsigned char bf1[256];
		unsigned char bf[300];
		unlock_it(b->name);
		if (lock_it(b->name,bf1)) {
			int x;
			for(x=0;bf1[x] && bf1[x]!=':';++x);
			bf1[x]=0;
			if(bf1[0])
				joe_snprintf_1(bf,sizeof(bf),joe_gettext(LOCKMSG1),bf1);
			else
				joe_snprintf_0(bf,sizeof(bf),joe_gettext(LOCKMSG2));
			if (mkqw(bw->parent, sz(bf), steal_lock, NULL, b, notify)) {
				return 0;
			} else {
				if (notify)
					*notify = -1;
				return -1;
			}
		} else {
			b->locked=1;
			if (notify)
				*notify = 1;
			return 0;
		}
	} else if (yncheck(ignorelock_key, c)) {
		b->locked=1;
		b->ignored_lock=1;
		if (notify)
			*notify = 1;
		return 0;
	} else if (yncheck(canceledit_key, c)) {
		if (notify)
			*notify = 1;
		return 0;
	} else {
		if (mkqw(bw->parent, sz(joe_gettext(LOCKMSG2)), steal_lock, NULL, b, notify)) {
			return 0;
		} else
			return -1;
	}
}

int file_changed(BW *bw,int c,B *b,int *notify)
{
	if (mkqw(bw->parent, sz(joe_gettext(_("Notice: File on disk changed! (hit ^C to continue)  "))), file_changed, NULL, b, notify)) {
		b->gave_notice = 1;
		return 0;
	} else
		return -1;
}

/* Try to lock: start dialog if we can't.  Returns 0 if we couldn't lock */

int try_lock(BW *bw,B *b)
{
	/* First time we modify the file */
	/* If we're a plain file, acquire lock */
	if (!nolocks && plain_file(b)) {
		unsigned char bf1[256];
		unsigned char bf[300];
		int x;
		/* It's a plain file- try to lock it */
		if (lock_it(b->name,bf1)) {
			for(x=0;bf1[x] && bf1[x]!=':';++x);
			bf1[x]=0;
			if(bf1[0])
				joe_snprintf_1(bf,sizeof(bf),LOCKMSG1,bf1);
			else