xsd_parser/optimizer/
unrestricted_base.rs

1use crate::types::{ReferenceInfo, TypeVariant};
2
3use super::{get_bases, Optimizer};
4
5impl Optimizer {
6    /// This will use the unrestricted base type instead the restricted version
7    /// when ever possible.
8    ///
9    /// This is useful if you want to reduce the amount of different types,
10    /// because the base type can store the same data than the restricted one.
11    /// However this is only useful if you want to deserialize the type only.
12    /// Using this feature for serializing types will cause problems because the
13    /// type information is dropped during deserialization.
14    ///
15    /// # Examples
16    ///
17    /// Consider the following XML schema.
18    /// ```xml
19    #[doc = include_str!("../../tests/optimizer/complex_restricted.xsd")]
20    /// ```
21    ///
22    /// Without this optimization this will result in the following code:
23    /// ```rust
24    #[doc = include_str!("../../tests/optimizer/expected0/use_unrestricted_base_type.rs")]
25    /// ```
26    ///
27    /// With this optimization the following code is generated:
28    /// ```rust
29    #[doc = include_str!("../../tests/optimizer/expected1/use_unrestricted_base_type.rs")]
30    /// ```
31    pub fn use_unrestricted_base_type(mut self) -> Self {
32        tracing::debug!("use_unrestricted_base_type");
33
34        let bases = get_bases!(self);
35
36        for (ident, type_) in &mut *self.types {
37            match &type_.variant {
38                TypeVariant::ComplexType(_)
39                | TypeVariant::Enumeration(_)
40                | TypeVariant::Union(_) => {
41                    let base = bases.get_unrestricted(ident).clone();
42                    if *ident != base {
43                        self.typedefs = None;
44                        type_.variant = TypeVariant::Reference(ReferenceInfo::new(base));
45                    }
46                }
47                _ => (),
48            }
49        }
50
51        self
52    }
53}
xsd_parser/optimizer/unrestricted_base.rs

xsd_parser/optimizer/
unrestricted_base.rs
