static size_t op_delete(Vis *vis, Text *txt, OperatorContext *c) {
c->reg->linewise = c->linewise;
register_put_range(vis, c->reg, txt, &c->range);
text_delete_range(txt, &c->range);
size_t pos = c->range.start;
if (c->linewise && pos == text_size(txt))
pos = text_line_begin(txt, text_line_prev(txt, pos));
return pos;
}
static size_t op_put(Vis *vis, Text *txt, OperatorContext *c) {
size_t pos = c->pos;
bool sel = text_range_size(&c->range) > 0;
bool sel_linewise = sel && text_range_is_linewise(txt, &c->range);
if (sel) {
text_delete_range(txt, &c->range);
pos = c->pos = c->range.start;
}
switch (c->arg->i) {
case VIS_OP_PUT_AFTER:
case VIS_OP_PUT_AFTER_END:
if (c->reg->linewise && !sel_linewise)
pos = text_line_next(txt, pos);
else if (!sel)
pos = text_char_next(txt, pos);
break;
case VIS_OP_PUT_BEFORE:
case VIS_OP_PUT_BEFORE_END:
if (c->reg->linewise)
pos = text_line_begin(txt, pos);
break;
}
size_t len;
const char *data = register_get(vis, c->reg, &len);
for (int i = 0; i < c->count; i++) {
text_insert(txt, pos, data, len);
pos += len;
}
if (c->reg->linewise) {
switch (c->arg->i) {
case VIS_OP_PUT_BEFORE_END:
case VIS_OP_PUT_AFTER_END:
pos = text_line_start(txt, pos);
break;
case VIS_OP_PUT_AFTER:
pos = text_line_start(txt, text_line_next(txt, c->pos));
break;
case VIS_OP_PUT_BEFORE:
pos = text_line_start(txt, c->pos);
break;
}
} else {
switch (c->arg->i) {
case VIS_OP_PUT_AFTER:
case VIS_OP_PUT_BEFORE:
pos = text_char_prev(txt, pos);
break;
}
}
return pos;
}
