prefixmap/
deref.rs

1use crate::{PrefixMap, PrefixMapError};
2use iri_s::{IriS, IriSError};
3use thiserror::Error;
4
5use crate::IriRefError;
6
7#[derive(Debug, Error, Clone)]
8pub enum DerefError {
9    #[error(transparent)]
10    IriSError(#[from] IriSError),
11
12    #[error("Error obtaining IRI for '{alias}:{local}': {error}")]
13    DerefPrefixMapError {
14        alias: String,
15        local: String,
16        error: Box<PrefixMapError>,
17    },
18
19    #[error("No prefix map to dereference prefixed name {prefix}{local}")]
20    NoPrefixMapPrefixedName { prefix: String, local: String },
21
22    #[error(transparent)]
23    UnderefError(#[from] IriRefError),
24}
25
26pub trait Deref {
27    fn deref(&self, base: &Option<IriS>, prefixmap: &Option<PrefixMap>) -> Result<Self, DerefError>
28    where
29        Self: Sized;
30
31    fn deref_opt<T>(
32        maybe: &Option<T>,
33        base: &Option<IriS>,
34        prefixmap: &Option<PrefixMap>,
35    ) -> Result<Option<T>, DerefError>
36    where
37        T: Deref,
38    {
39        maybe.as_ref().map(|t| t.deref(base, prefixmap)).transpose()
40    }
41
42    fn deref_opt_box<T>(
43        maybe: &Option<Box<T>>,
44        base: &Option<IriS>,
45        prefixmap: &Option<PrefixMap>,
46    ) -> Result<Option<Box<T>>, DerefError>
47    where
48        T: Deref,
49    {
50        maybe
51            .as_ref()
52            .map(|t| t.deref(base, prefixmap))
53            .transpose()
54            .map(|t| t.map(|t| Box::new(t)))
55    }
56
57    fn deref_vec<T>(
58        ts: &[T],
59        base: &Option<IriS>,
60        prefixmap: &Option<PrefixMap>,
61    ) -> Result<Vec<T>, DerefError>
62    where
63        T: Deref,
64    {
65        ts.iter().map(|t| t.deref(base, prefixmap)).collect()
66    }
67
68    fn deref_vec_box<T>(
69        ts: &[Box<T>],
70        base: &Option<IriS>,
71        prefixmap: &Option<PrefixMap>,
72    ) -> Result<Vec<T>, DerefError>
73    where
74        T: Deref,
75    {
76        ts.iter().map(|t| t.deref(base, prefixmap)).collect()
77    }
78
79    fn deref_opt_vec<T>(
80        maybe_ts: &Option<Vec<T>>,
81        base: &Option<IriS>,
82        prefixmap: &Option<PrefixMap>,
83    ) -> Result<Option<Vec<T>>, DerefError>
84    where
85        T: Deref,
86    {
87        maybe_ts
88            .as_ref()
89            .map(|ts| ts.iter().map(|t| t.deref(base, prefixmap)).collect())
90            .transpose()
91    }
92}
prefixmap/deref.rs

prefixmap/
deref.rs
