rsynko_memory/
selection.rs

1use crate::{
2    Format, FormatPredicate, FormatSelection, InfoRecord, InfoValue, interpret_selection,
3    predicate_accepts,
4};
5use rsynko_media::{FormatPredicateMatchAlg, FormatSelectionApplyAlg, FormatViewAlg, MediaSorts};
6
7/// Interprets format predicates and selection programs over the reified media sorts.
8#[derive(Clone, Copy, Debug, Default)]
9pub struct ReferenceFormatSelector;
10
11impl MediaSorts for ReferenceFormatSelector {
12    type Value = InfoValue;
13    type Metadata = InfoRecord;
14    type Format = Format;
15    type Artifact = ();
16    type Media = ();
17    type Extraction = ();
18    type Extractor = ();
19    type Predicate = FormatPredicate;
20    type Selection = FormatSelection;
21    type Output = ();
22}
23
24impl FormatViewAlg for ReferenceFormatSelector {
25    fn format_text<'a>(&self, format: &'a Format, key: &str) -> Option<&'a str> {
26        format.text(key)
27    }
28}
29
30impl FormatPredicateMatchAlg for ReferenceFormatSelector {
31    fn format_matches(&self, predicate: &FormatPredicate, format: &Format) -> bool {
32        predicate_accepts(predicate, format)
33    }
34}
35
36impl FormatSelectionApplyAlg for ReferenceFormatSelector {
37    fn select_formats<'a>(
38        &self,
39        formats: &'a [Format],
40        selection: &FormatSelection,
41    ) -> Option<Vec<&'a Format>> {
42        interpret_selection(self, formats, selection)
43    }
44}
rsynko_memory/selection.rs

rsynko_memory/
selection.rs
