prefixmap/
deref.rs

1use crate::{PrefixMap, PrefixMapError};
2use iri_s::{IriS, IriSError};
3use thiserror::Error;
4
5use crate::Underef;
6
7#[derive(Debug, Error)]
8pub enum DerefError {
9    #[error(transparent)]
10    IriSError(#[from] IriSError),
11
12    #[error(transparent)]
13    PrefixMapError(#[from] PrefixMapError),
14
15    #[error("No prefix map to dereference prefixed name {prefix}{local}")]
16    NoPrefixMapPrefixedName { prefix: String, local: String },
17
18    #[error(transparent)]
19    UnderefError(#[from] Underef),
20}
21
22pub trait Deref {
23    fn deref(&self, base: &Option<IriS>, prefixmap: &Option<PrefixMap>) -> Result<Self, DerefError>
24    where
25        Self: Sized;
26
27    fn deref_opt<T>(
28        maybe: &Option<T>,
29        base: &Option<IriS>,
30        prefixmap: &Option<PrefixMap>,
31    ) -> Result<Option<T>, DerefError>
32    where
33        T: Deref,
34    {
35        maybe.as_ref().map(|t| t.deref(base, prefixmap)).transpose()
36    }
37
38    fn deref_opt_box<T>(
39        maybe: &Option<Box<T>>,
40        base: &Option<IriS>,
41        prefixmap: &Option<PrefixMap>,
42    ) -> Result<Option<Box<T>>, DerefError>
43    where
44        T: Deref,
45    {
46        maybe
47            .as_ref()
48            .map(|t| t.deref(base, prefixmap))
49            .transpose()
50            .map(|t| t.map(|t| Box::new(t)))
51    }
52
53    fn deref_vec<T>(
54        ts: &[T],
55        base: &Option<IriS>,
56        prefixmap: &Option<PrefixMap>,
57    ) -> Result<Vec<T>, DerefError>
58    where
59        T: Deref,
60    {
61        ts.iter().map(|t| t.deref(base, prefixmap)).collect()
62    }
63
64    fn deref_vec_box<T>(
65        ts: &[Box<T>],
66        base: &Option<IriS>,
67        prefixmap: &Option<PrefixMap>,
68    ) -> Result<Vec<T>, DerefError>
69    where
70        T: Deref,
71    {
72        ts.iter().map(|t| t.deref(base, prefixmap)).collect()
73    }
74
75    fn deref_opt_vec<T>(
76        maybe_ts: &Option<Vec<T>>,
77        base: &Option<IriS>,
78        prefixmap: &Option<PrefixMap>,
79    ) -> Result<Option<Vec<T>>, DerefError>
80    where
81        T: Deref,
82    {
83        maybe_ts
84            .as_ref()
85            .map(|ts| ts.iter().map(|t| t.deref(base, prefixmap)).collect())
86            .transpose()
87    }
88}
prefixmap/deref.rs

prefixmap/
deref.rs
