dcbor_pattern/pattern/structure/
structure_pattern.rs

1use super::{ArrayPattern, MapPattern, TaggedPattern};
2use crate::pattern::{Matcher, Path, Pattern, vm::Instr};
3use dcbor::prelude::*;
4
5#[derive(Debug, Clone, PartialEq, Eq)]
6pub enum StructurePattern {
7    Array(ArrayPattern),
8    Map(MapPattern),
9    Tagged(TaggedPattern),
10}
11
12impl Matcher for StructurePattern {
13    fn paths(&self, haystack: &CBOR) -> Vec<Path> {
14        match self {
15            StructurePattern::Array(pattern) => pattern.paths(haystack),
16            StructurePattern::Map(pattern) => pattern.paths(haystack),
17            StructurePattern::Tagged(pattern) => pattern.paths(haystack),
18        }
19    }
20
21    fn compile(
22        &self,
23        code: &mut Vec<Instr>,
24        literals: &mut Vec<Pattern>,
25        captures: &mut Vec<String>,
26    ) {
27        match self {
28            StructurePattern::Array(pattern) => {
29                pattern.compile(code, literals, captures)
30            }
31            StructurePattern::Map(pattern) => {
32                pattern.compile(code, literals, captures)
33            }
34            StructurePattern::Tagged(pattern) => {
35                pattern.compile(code, literals, captures)
36            }
37        }
38    }
39
40    fn collect_capture_names(&self, names: &mut Vec<String>) {
41        match self {
42            StructurePattern::Array(pattern) => {
43                pattern.collect_capture_names(names)
44            }
45            StructurePattern::Map(pattern) => {
46                pattern.collect_capture_names(names)
47            }
48            StructurePattern::Tagged(pattern) => {
49                pattern.collect_capture_names(names)
50            }
51        }
52    }
53
54    fn paths_with_captures(
55        &self,
56        haystack: &CBOR,
57    ) -> (Vec<Path>, std::collections::HashMap<String, Vec<Path>>) {
58        match self {
59            StructurePattern::Array(pattern) => {
60                pattern.paths_with_captures(haystack)
61            }
62            StructurePattern::Map(pattern) => pattern.paths_with_captures(haystack),
63            StructurePattern::Tagged(pattern) => {
64                pattern.paths_with_captures(haystack)
65            }
66        }
67    }
68}
69
70impl std::fmt::Display for StructurePattern {
71    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
72        match self {
73            StructurePattern::Array(pattern) => write!(f, "{}", pattern),
74            StructurePattern::Map(pattern) => write!(f, "{}", pattern),
75            StructurePattern::Tagged(pattern) => write!(f, "{}", pattern),
76        }
77    }
78}
dcbor_pattern/pattern/structure/structure_pattern.rs

dcbor_pattern/pattern/structure/
structure_pattern.rs
