示例#1
0
文件: ed.c 项目: ISLEcode/kornshell
static void
global(int sense, int query)
{
	register char*		s;
	register int		c;
	register Line_t*	a1;

	if (ed.global)
		error(2, "recursive global not allowed");
	setwide();
	squeeze(ed.dol > ed.zero);
	compile();
	if (query)
		newline();
	else {
		s = getrec(ed.buffer.global, '\n', REC_SPLICE|REC_TERMINATE);
		if (s[0] == '\n' && !s[1])
			sfputr(ed.buffer.global, "p\n", 0);
	}
	for (a1 = ed.zero; a1 <= ed.dol; a1++) {
		a1->offset &= ~LINE_GLOBAL;
		if (a1 >= ed.addr1 && a1 <= ed.addr2 && execute(a1, 0) == sense)
			a1->offset |= LINE_GLOBAL;
	}

	/* special case: g/.../d (avoid n^2 algorithm) */

	if (!query && s[0] == 'd' && s[1] == '\n' && !s[2])
		gdelete();
	else {
		for (a1 = ed.zero; a1 <= ed.dol; a1++) {
			if (a1->offset & LINE_GLOBAL) {
				a1->offset &= ~LINE_GLOBAL;
				ed.dot = a1;
				if (query) {
					putrec(lineget(a1->offset));
					if ((c = getchr()) == EOF)
						break;
					else if (c == '\n')
						continue;
					else if (c == '&') {
						newline();
						if (!*(ed.global = sfstrbase(ed.buffer.query)))
							error(2, "no saved command");
					}
					else {
						ed.peekc = c;
						ed.global = getrec(ed.buffer.query, '\n', REC_TERMINATE);
					}
				}
				else
					ed.global = s;
				commands();
				a1 = ed.zero;
			}
		}
	}
}
示例#2
0
文件: ed.c 项目: 00001/plan9port
void
global(int k)
{
	Rune *gp, globuf[GBSIZE];
	int c, *a1;

	if(globp)
		error(Q);
	setwide();
	squeeze(dol > zero);
	c = getchr();
	if(c == '\n')
		error(Q);
	compile(c);
	gp = globuf;
	while((c=getchr()) != '\n') {
		if(c == EOF)
			error(Q);
		if(c == '\\') {
			c = getchr();
			if(c != '\n')
				*gp++ = '\\';
		}
		*gp++ = c;
		if(gp >= &globuf[GBSIZE-2])
			error(Q);
	}
	if(gp == globuf)
		*gp++ = 'p';
	*gp++ = '\n';
	*gp = 0;
	for(a1=zero; a1<=dol; a1++) {
		*a1 &= ~01;
		if(a1 >= addr1 && a1 <= addr2 && match(a1) == k)
			*a1 |= 01;
	}

	/*
	 * Special case: g/.../d (avoid n^2 algorithm)
	 */
	if(globuf[0] == 'd' && globuf[1] == '\n' && globuf[2] == 0) {
		gdelete();
		return;
	}
	for(a1=zero; a1<=dol; a1++) {
		if(*a1 & 01) {
			*a1 &= ~01;
			dot = a1;
			globp = globuf;
			commands();
			a1 = zero;
		}
	}
}