SYS-REQ-115
(config Config, data []byte, cb func(value []byte, dataType ValueType, offset int, err error), keys ...string)
| 1647 | |
| 1648 | // SYS-REQ-115 |
| 1649 | func arrayEachConfig(config Config, data []byte, cb func(value []byte, dataType ValueType, offset int, err error), keys ...string) (offset int, err error) { |
| 1650 | if len(data) == 0 { |
| 1651 | return -1, MalformedObjectError |
| 1652 | } |
| 1653 | |
| 1654 | nT := nextTokenConfig(config, data) |
| 1655 | if nT == -1 { |
| 1656 | return -1, MalformedJsonError |
| 1657 | } |
| 1658 | |
| 1659 | // Guard: when ArrayEach is called without a key path, the addressed |
| 1660 | // root value must be an array. Without this guard, the main loop below |
| 1661 | // happily parses the first token of a non-array value (e.g. the opening |
| 1662 | // key of an object, or a bare number) as if it were an array element, |
| 1663 | // invoking the callback once with bogus data before eventually returning |
| 1664 | // MalformedArrayError. A caller performing side effects in the callback |
| 1665 | // would observe a spurious invocation on input that is not an array at |
| 1666 | // all. (SYS-REQ-029 partition: non-array root, no key path.) |
| 1667 | // When a key path IS provided, the keys block below already enforces the |
| 1668 | // same contract via its own `data[offset] != '['` check after resolving |
| 1669 | // the path, so the guard is only needed for the no-keys case. |
| 1670 | if len(keys) == 0 && data[nT] != '[' { |
| 1671 | return -1, MalformedArrayError |
| 1672 | } |
| 1673 | |
| 1674 | offset = nT + 1 |
| 1675 | |
| 1676 | if len(keys) > 0 { |
| 1677 | if offset = searchKeysConfig(config, data, keys...); offset == -1 { |
| 1678 | return offset, KeyPathNotFoundError |
| 1679 | } |
| 1680 | |
| 1681 | // Go to closest value |
| 1682 | nO := nextTokenConfig(config, data[offset:]) |
| 1683 | if nO == -1 { |
| 1684 | return offset, MalformedJsonError |
| 1685 | } |
| 1686 | |
| 1687 | offset += nO |
| 1688 | |
| 1689 | if data[offset] != '[' { |
| 1690 | return offset, MalformedArrayError |
| 1691 | } |
| 1692 | |
| 1693 | offset++ |
| 1694 | } |
| 1695 | |
| 1696 | nO := nextTokenConfig(config, data[offset:]) |
| 1697 | if nO == -1 { |
| 1698 | return offset, MalformedJsonError |
| 1699 | } |
| 1700 | |
| 1701 | offset += nO |
| 1702 | |
| 1703 | if data[offset] == ']' { |
| 1704 | return offset, nil |
| 1705 | } |
| 1706 |
no test coverage detected