Ejemplo n.º 1
0
bool vis_prompt_cmd(Vis *vis, const char *cmd) {
	if (!cmd || !cmd[0] || !cmd[1])
		return true;
	switch (cmd[0]) {
	case '/':
		return vis_motion(vis, VIS_MOVE_SEARCH_FORWARD, cmd+1);
	case '?':
		return vis_motion(vis, VIS_MOVE_SEARCH_BACKWARD, cmd+1);
	case '+':
	case ':':
		register_put0(vis, &vis->registers[VIS_REG_COMMAND], cmd+1);
		return vis_cmd(vis, cmd+1);
	default:
		return false;
	}
}
Ejemplo n.º 2
0
Archivo: vis.c Proyecto: ewqasd200g/vis
void action_do(Vis *vis, Action *a) {
	Win *win = vis->win;
	Text *txt = win->file->text;
	View *view = win->view;

	if (a->op == &vis_operators[VIS_OP_FILTER] && !vis->mode->visual)
		vis_mode_switch(vis, VIS_MODE_VISUAL_LINE);

	int count = MAX(a->count, 1);
	bool repeatable = a->op && !vis->macro_operator;
	bool multiple_cursors = view_cursors_multiple(view);
	bool linewise = !(a->type & CHARWISE) && (
		a->type & LINEWISE || (a->movement && a->movement->type & LINEWISE) ||
		vis->mode == &vis_modes[VIS_MODE_VISUAL_LINE]);

	for (Cursor *cursor = view_cursors(view), *next; cursor; cursor = next) {

		next = view_cursors_next(cursor);
		size_t pos = view_cursors_pos(cursor);
		Register *reg = multiple_cursors ? view_cursors_register(cursor) : a->reg;
		if (!reg)
			reg = &vis->registers[win->file->internal ? VIS_REG_PROMPT : VIS_REG_DEFAULT];

		OperatorContext c = {
			.count = count,
			.pos = pos,
			.newpos = EPOS,
			.range = text_range_empty(),
			.reg = reg,
			.linewise = linewise,
			.arg = &a->arg,
		};

		if (a->movement) {
			size_t start = pos;
			for (int i = 0; i < count; i++) {
				size_t pos_prev = pos;
				if (a->movement->txt)
					pos = a->movement->txt(txt, pos);
				else if (a->movement->cur)
					pos = a->movement->cur(cursor);
				else if (a->movement->file)
					pos = a->movement->file(vis, vis->win->file, pos);
				else if (a->movement->vis)
					pos = a->movement->vis(vis, txt, pos);
				else if (a->movement->view)
					pos = a->movement->view(vis, view);
				else if (a->movement->win)
					pos = a->movement->win(vis, win, pos);
				else if (a->movement->user)
					pos = a->movement->user(vis, win, a->movement->data, pos);
				if (pos == EPOS || a->movement->type & IDEMPOTENT || pos == pos_prev)
					break;
			}

			if (pos == EPOS) {
				c.range.start = start;
				c.range.end = start;
				pos = start;
			} else {
				c.range = text_range_new(start, pos);
				c.newpos = pos;
			}

			if (!a->op) {
				if (a->movement->type & CHARWISE)
					view_cursors_scroll_to(cursor, pos);
				else
					view_cursors_to(cursor, pos);
				if (vis->mode->visual)
					c.range = view_cursors_selection_get(cursor);
				if (a->movement->type & JUMP)
					window_jumplist_add(win, pos);
				else
					window_jumplist_invalidate(win);
			} else if (a->movement->type & INCLUSIVE ||
			          (linewise && a->movement->type & LINEWISE_INCLUSIVE)) {
				c.range.end = text_char_next(txt, c.range.end);
			}
		} else if (a->textobj) {
			if (vis->mode->visual)
				c.range = view_cursors_selection_get(cursor);
			else
				c.range.start = c.range.end = pos;
			for (int i = 0; i < count; i++) {
				Filerange r = text_range_empty();
				if (a->textobj->txt)
					r = a->textobj->txt(txt, pos);
				else if (a->textobj->vis)
					r = a->textobj->vis(vis, txt, pos);
				else if (a->textobj->user)
					r = a->textobj->user(vis, win, a->textobj->data, pos);
				if (!text_range_valid(&r))
					break;
				if (a->textobj->type & OUTER) {
					r.start--;
					r.end++;
				}

				if (a->textobj->type & SPLIT)
					c.range = r;
				else
					c.range = text_range_union(&c.range, &r);

				if (i < count - 1)
					pos = c.range.end + 1;
			}
		} else if (vis->mode->visual) {
			c.range = view_cursors_selection_get(cursor);
			if (!text_range_valid(&c.range))
				c.range.start = c.range.end = pos;
		}

		if (linewise && vis->mode != &vis_modes[VIS_MODE_VISUAL])
			c.range = text_range_linewise(txt, &c.range);
		if (vis->mode->visual) {
			view_cursors_selection_set(cursor, &c.range);
			if (vis->mode == &vis_modes[VIS_MODE_VISUAL] || a->textobj)
				view_cursors_selection_sync(cursor);
		}

		if (a->op) {
			size_t pos = a->op->func(vis, txt, &c);
			if (pos == EPOS) {
				view_cursors_dispose(cursor);
			} else if (pos <= text_size(txt)) {
				/* moving the cursor will affect the selection.
				 * because we want to be able to later restore
				 * the old selection we update it again before
				 * leaving visual mode.
				 */
				Filerange sel = view_cursors_selection_get(cursor);
				view_cursors_to(cursor, pos);
				if (vis->mode->visual) {
					if (sel.start == EPOS && sel.end == EPOS)
						sel = c.range;
					else if (sel.start == EPOS)
						sel = text_range_new(c.range.start, sel.end);
					else if (sel.end == EPOS)
						sel = text_range_new(c.range.start, sel.start);
					if (vis->mode == &vis_modes[VIS_MODE_VISUAL_LINE])
						sel = text_range_linewise(txt, &sel);
					view_cursors_selection_set(cursor, &sel);
				}
			}
		}
	}

	if (a->op) {
		/* we do not support visual repeat, still do something resonable */
		if (vis->mode->visual && !a->movement && !a->textobj)
			a->movement = &vis_motions[VIS_MOVE_NOP];

		/* operator implementations must not change the mode,
		 * they might get called multiple times (once for every cursor)
		 */
		if (a->op == &vis_operators[VIS_OP_INSERT] || a->op == &vis_operators[VIS_OP_CHANGE]) {
			vis_mode_switch(vis, VIS_MODE_INSERT);
		} else if (a->op == &vis_operators[VIS_OP_REPLACE]) {
			vis_mode_switch(vis, VIS_MODE_REPLACE);
		} else if (a->op == &vis_operators[VIS_OP_FILTER]) {
			if (a->arg.s)
				vis_cmd(vis, a->arg.s);
			else
				vis_prompt_show(vis, ":|");
		} else if (vis->mode == &vis_modes[VIS_MODE_OPERATOR_PENDING]) {
			mode_set(vis, vis->mode_prev);
		} else if (vis->mode->visual) {
			vis_mode_switch(vis, VIS_MODE_NORMAL);
		}
		text_snapshot(txt);
		vis_draw(vis);
	}

	if (a != &vis->action_prev) {
		if (repeatable) {
			if (!a->macro)
				a->macro = vis->macro_operator;
			vis->action_prev = *a;
		}
		action_reset(a);
	}
}

void action_reset(Action *a) {
	memset(a, 0, sizeof(*a));
	a->count = VIS_COUNT_UNKNOWN;
}