arch_pkg_text/desc/query/generic/
std_ext.rs1use crate::desc::{ParsedField, Query, QueryMut, misc::ReuseAdvice};
2use std::{
3 rc::Rc,
4 sync::{Arc, Mutex, RwLock},
5};
6
7macro_rules! impl_reuse {
8 ($wrapper:ident) => {
9 impl<Querier: ReuseAdvice + ?Sized> ReuseAdvice for $wrapper<Querier> {
10 type ShouldReuse = Querier::ShouldReuse;
11 }
12 };
13}
14
15macro_rules! impl_pointer {
16 ($wrapper:ident) => {
17 impl<'a, Querier: Query<'a> + ?Sized> Query<'a> for $wrapper<Querier> {
18 fn query_raw_text(&self, field: ParsedField) -> Option<&'a str> {
19 Querier::query_raw_text(self, field)
20 }
21 }
22
23 impl<'a, Querier: Query<'a> + ?Sized> QueryMut<'a> for $wrapper<Querier> {
24 fn query_raw_text_mut(&mut self, field: ParsedField) -> Option<&'a str> {
25 self.query_raw_text(field)
26 }
27 }
28
29 impl_reuse!($wrapper);
30 };
31}
32
33impl_pointer!(Box);
34impl_pointer!(Rc);
35impl_pointer!(Arc);
36
37macro_rules! impl_lock {
38 ($wrapper:ident, $lock:ident) => {
39 impl<'a, Querier: QueryMut<'a> + ?Sized> Query<'a> for $wrapper<Querier> {
40 fn query_raw_text(&self, field: ParsedField) -> Option<&'a str> {
41 self.$lock()
42 .expect("lock must be acquired successfully")
43 .query_raw_text_mut(field)
44 }
45 }
46
47 impl<'a, Querier: QueryMut<'a> + ?Sized> QueryMut<'a> for $wrapper<Querier> {
48 fn query_raw_text_mut(&mut self, field: ParsedField) -> Option<&'a str> {
49 self.query_raw_text(field)
50 }
51 }
52
53 impl_reuse!($wrapper);
54 };
55}
56
57impl_lock!(Mutex, lock);
58impl_lock!(RwLock, write);