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xso: add support for ignoring unknown stuff in extracts

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Jonas Schäfer 2024-10-03 12:56:04 +02:00 • committed by Link Mauve
commit 7d8ffe45a7
4 changed files with 70 additions and 1 deletions
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xso/src/from_xml_doc.md
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@ -474,6 +474,8 @@ The following keys can be used inside the `#[xml(extract(..))]` meta:
| `default` | flag | If present, an absent child will substitute the default value instead of raising an error. |
| `n` | `1` or `..` | If `1`, a single element is parsed. If `..`, a collection is parsed. Defaults to `1`. |
| `fields` | *nested* | A list of [field meta](#field-meta) which describe the contents of the child element. |
| `on_unknown_attribute` | *identifier* | Name of an [`UnknownAttributePolicy`] member, controlling how unknown attributes are handled. |
| `on_unknown_child` | *identifier* | Name of an [`UnknownChildPolicy`] member, controlling how unknown children are handled. |
If the `name` key contains a namespace prefix, it must be one of the prefixes
defined as built-in in the XML specifications. That prefix will then be