interprocess/local_socket/name/
to_name.rs

1use {
2    super::{
3        r#type::{NamespacedNameType, PathNameType},
4        Name,
5    },
6    std::{
7        borrow::Cow,
8        ffi::{CStr, CString, OsStr, OsString},
9        io,
10        path::{Path, PathBuf},
11        str,
12    },
13};
14
15macro_rules! trivial_string_impl {
16    (
17        $cvttrait:ident<$str:ident>
18        :: $mtd:ident<$nttrait:ident>
19        for $($tgt:ty => $via:ident :: $ctor:ident)+
20    ) => {$(
21        impl<'s> $cvttrait<'s, $str> for $tgt {
22            #[inline]
23            fn $mtd<T: $nttrait<$str>>(self) -> io::Result<Name<'s>> {
24                $via::$ctor(self).$mtd::<T>()
25            }
26        }
27    )+};
28}
29
30/// Conversion to a filesystem path-type local socket name.
31pub trait ToFsName<'s, S: ToOwned + ?Sized> {
32    /// Performs the conversion to a filesystem path-type name.
33    ///
34    /// Fails if the resulting name isn't supported by the platform.
35    fn to_fs_name<NT: PathNameType<S>>(self) -> io::Result<Name<'s>>;
36}
37
38/// Conversion to a namespaced local socket name.
39pub trait ToNsName<'s, S: ToOwned + ?Sized> {
40    /// Performs the conversion to a namespaced name.
41    ///
42    /// Fails if the resulting name isn't supported by the platform.
43    fn to_ns_name<NT: NamespacedNameType<S>>(self) -> io::Result<Name<'s>>;
44}
45
46#[allow(dead_code)]
47fn err(s: &'static str) -> io::Error { io::Error::new(io::ErrorKind::Unsupported, s) }
48
49impl<'s> ToFsName<'s, OsStr> for &'s Path {
50    #[inline]
51    fn to_fs_name<FT: PathNameType<OsStr>>(self) -> io::Result<Name<'s>> {
52        FT::map(Cow::Borrowed(self.as_os_str()))
53    }
54}
55impl<'s> ToFsName<'s, OsStr> for PathBuf {
56    #[inline]
57    fn to_fs_name<FT: PathNameType<OsStr>>(self) -> io::Result<Name<'s>> {
58        FT::map(Cow::Owned(self.into_os_string()))
59    }
60}
61trivial_string_impl! { ToFsName<OsStr>::to_fs_name<PathNameType> for
62    &'s str   => Path   ::new
63    String    => PathBuf::from
64    &'s OsStr => Path   ::new
65    OsString  => PathBuf::from
66}
67
68impl<'s> ToNsName<'s, OsStr> for &'s OsStr {
69    #[inline]
70    fn to_ns_name<NT: NamespacedNameType<OsStr>>(self) -> io::Result<Name<'s>> {
71        NT::map(Cow::Borrowed(self))
72    }
73}
74impl<'s> ToNsName<'s, OsStr> for OsString {
75    #[inline]
76    fn to_ns_name<NT: NamespacedNameType<OsStr>>(self) -> io::Result<Name<'s>> {
77        NT::map(Cow::Owned(self))
78    }
79}
80trivial_string_impl! { ToNsName<OsStr>::to_ns_name<NamespacedNameType> for
81    &'s str => OsStr   ::new
82    String  => OsString::from
83}
84
85impl<'s> ToFsName<'s, CStr> for &'s CStr {
86    #[inline]
87    fn to_fs_name<FT: PathNameType<CStr>>(self) -> io::Result<Name<'s>> {
88        FT::map(Cow::Borrowed(self))
89    }
90}
91impl<'s> ToFsName<'s, CStr> for CString {
92    #[inline]
93    fn to_fs_name<FT: PathNameType<CStr>>(self) -> io::Result<Name<'s>> {
94        FT::map(Cow::Owned(self))
95    }
96}
97
98impl<'s> ToNsName<'s, CStr> for &'s CStr {
99    #[inline]
100    fn to_ns_name<NT: NamespacedNameType<CStr>>(self) -> io::Result<Name<'s>> {
101        NT::map(Cow::Borrowed(self))
102    }
103}
104impl<'s> ToNsName<'s, CStr> for CString {
105    #[inline]
106    fn to_ns_name<NT: NamespacedNameType<CStr>>(self) -> io::Result<Name<'s>> {
107        NT::map(Cow::Owned(self))
108    }
109}
interprocess/local_socket/name/to_name.rs

interprocess/local_socket/name/
to_name.rs
