cesu8_str/
index.rs

1use core::ops::{
2    Index, IndexMut, Range, RangeFrom, RangeFull, RangeInclusive, RangeTo, RangeToInclusive,
3};
4
5use crate::cesu8::Cesu8Str;
6use crate::java::JavaStr;
7
8#[cfg(feature = "alloc")]
9use crate::cesu8::Cesu8String;
10#[cfg(feature = "alloc")]
11use crate::java::JavaString;
12
13macro_rules! impl_index {
14    ($kind:ty, $str:ty, $string:ty) => {
15        impl Index<$kind> for $str {
16            type Output = $str;
17
18            #[inline]
19            fn index(&self, index: $kind) -> &Self::Output {
20                let internal = self.internal.index(index);
21                unsafe { <$str>::from_internal_unchecked(internal) }
22            }
23        }
24
25        impl Index<$kind> for &$str {
26            type Output = $str;
27
28            #[inline]
29            fn index(&self, index: $kind) -> &Self::Output {
30                let internal = self.internal.index(index);
31                unsafe { <$str>::from_internal_unchecked(internal) }
32            }
33        }
34
35        impl Index<$kind> for &mut $str {
36            type Output = $str;
37
38            #[inline]
39            fn index(&self, index: $kind) -> &Self::Output {
40                let internal = self.internal.index(index);
41                unsafe { <$str>::from_internal_unchecked(internal) }
42            }
43        }
44
45        impl IndexMut<$kind> for $str {
46            #[inline]
47            fn index_mut(&mut self, index: $kind) -> &mut Self::Output {
48                let internal = self.internal.index_mut(index);
49                unsafe { <$str>::from_internal_unchecked_mut(internal) }
50            }
51        }
52
53        impl IndexMut<$kind> for &mut $str {
54            #[inline]
55            fn index_mut(&mut self, index: $kind) -> &mut Self::Output {
56                let internal = self.internal.index_mut(index);
57                unsafe { <$str>::from_internal_unchecked_mut(internal) }
58            }
59        }
60
61        #[cfg(feature = "alloc")]
62        impl Index<$kind> for $string {
63            type Output = $str;
64
65            #[inline]
66            fn index(&self, index: $kind) -> &Self::Output {
67                self.as_str().index(index)
68            }
69        }
70
71        #[cfg(feature = "alloc")]
72        impl Index<$kind> for &$string {
73            type Output = $str;
74
75            #[inline]
76            fn index(&self, index: $kind) -> &Self::Output {
77                self.as_str().index(index)
78            }
79        }
80
81        #[cfg(feature = "alloc")]
82        impl Index<$kind> for &mut $string {
83            type Output = $str;
84
85            #[inline]
86            fn index(&self, index: $kind) -> &Self::Output {
87                self.as_str().index(index)
88            }
89        }
90
91        #[cfg(feature = "alloc")]
92        impl IndexMut<$kind> for $string {
93            #[inline]
94            fn index_mut(&mut self, index: $kind) -> &mut Self::Output {
95                self.as_mut_str().index_mut(index)
96            }
97        }
98
99        #[cfg(feature = "alloc")]
100        impl IndexMut<$kind> for &mut $string {
101            #[inline]
102            fn index_mut(&mut self, index: $kind) -> &mut Self::Output {
103                self.as_mut_str().index_mut(index)
104            }
105        }
106    };
107}
108
109impl_index!(Range<usize>, Cesu8Str, Cesu8String);
110impl_index!(RangeFrom<usize>, Cesu8Str, Cesu8String);
111impl_index!(RangeFull, Cesu8Str, Cesu8String);
112impl_index!(RangeInclusive<usize>, Cesu8Str, Cesu8String);
113impl_index!(RangeTo<usize>, Cesu8Str, Cesu8String);
114impl_index!(RangeToInclusive<usize>, Cesu8Str, Cesu8String);
115
116impl_index!(Range<usize>, JavaStr, JavaString);
117impl_index!(RangeFrom<usize>, JavaStr, JavaString);
118impl_index!(RangeFull, JavaStr, JavaString);
119impl_index!(RangeInclusive<usize>, JavaStr, JavaString);
120impl_index!(RangeTo<usize>, JavaStr, JavaString);
121impl_index!(RangeToInclusive<usize>, JavaStr, JavaString);
cesu8_str/index.rs

cesu8_str/
index.rs
