| 579 | } |
| 580 | |
| 581 | static void move_word_left(size_t & char_pos, size_t & byte_pos, const std::vector<int> & widths, const std::string & line) { |
| 582 | if (char_pos == 0) { |
| 583 | return; |
| 584 | } |
| 585 | |
| 586 | size_t new_char_pos = char_pos; |
| 587 | size_t new_byte_pos = byte_pos; |
| 588 | int move_width = 0; |
| 589 | |
| 590 | while (new_char_pos > 0) { |
| 591 | size_t prev_byte = prev_utf8_char_pos(line, new_byte_pos); |
| 592 | size_t advance = 0; |
| 593 | char32_t cp = decode_utf8(line, prev_byte, advance); |
| 594 | if (!is_space_codepoint(cp)) { |
| 595 | break; |
| 596 | } |
| 597 | move_width += widths[new_char_pos - 1]; |
| 598 | new_char_pos--; |
| 599 | new_byte_pos = prev_byte; |
| 600 | } |
| 601 | |
| 602 | while (new_char_pos > 0) { |
| 603 | size_t prev_byte = prev_utf8_char_pos(line, new_byte_pos); |
| 604 | size_t advance = 0; |
| 605 | char32_t cp = decode_utf8(line, prev_byte, advance); |
| 606 | if (is_space_codepoint(cp)) { |
| 607 | break; |
| 608 | } |
| 609 | move_width += widths[new_char_pos - 1]; |
| 610 | new_char_pos--; |
| 611 | new_byte_pos = prev_byte; |
| 612 | } |
| 613 | |
| 614 | move_cursor(-move_width); |
| 615 | char_pos = new_char_pos; |
| 616 | byte_pos = new_byte_pos; |
| 617 | } |
| 618 | |
| 619 | static void move_word_right(size_t & char_pos, size_t & byte_pos, const std::vector<int> & widths, const std::string & line) { |
| 620 | if (char_pos >= widths.size()) { |
no test coverage detected