diff options
Diffstat (limited to 'src/libstd/path.rs')
| -rw-r--r-- | src/libstd/path.rs | 128 |
1 files changed, 2 insertions, 126 deletions
diff --git a/src/libstd/path.rs b/src/libstd/path.rs index bd27bcf48a0..fdc1978b0c5 100644 --- a/src/libstd/path.rs +++ b/src/libstd/path.rs @@ -113,7 +113,7 @@ use ops::{self, Deref}; use ffi::{OsStr, OsString}; -use self::platform::{is_sep_byte, is_verbatim_sep, MAIN_SEP_STR, parse_prefix}; +use sys::path::{is_sep_byte, is_verbatim_sep, MAIN_SEP_STR, parse_prefix}; //////////////////////////////////////////////////////////////////////////////// // GENERAL NOTES @@ -126,130 +126,6 @@ use self::platform::{is_sep_byte, is_verbatim_sep, MAIN_SEP_STR, parse_prefix}; // available. //////////////////////////////////////////////////////////////////////////////// -// Platform-specific definitions -//////////////////////////////////////////////////////////////////////////////// - -// The following modules give the most basic tools for parsing paths on various -// platforms. The bulk of the code is devoted to parsing prefixes on Windows. - -#[cfg(unix)] -mod platform { - use super::Prefix; - use ffi::OsStr; - - #[inline] - pub fn is_sep_byte(b: u8) -> bool { - b == b'/' - } - - #[inline] - pub fn is_verbatim_sep(b: u8) -> bool { - b == b'/' - } - - pub fn parse_prefix(_: &OsStr) -> Option<Prefix> { - None - } - - pub const MAIN_SEP_STR: &'static str = "/"; - pub const MAIN_SEP: char = '/'; -} - -#[cfg(windows)] -mod platform { - use ascii::*; - - use super::{os_str_as_u8_slice, u8_slice_as_os_str, Prefix}; - use ffi::OsStr; - - #[inline] - pub fn is_sep_byte(b: u8) -> bool { - b == b'/' || b == b'\\' - } - - #[inline] - pub fn is_verbatim_sep(b: u8) -> bool { - b == b'\\' - } - - pub fn parse_prefix<'a>(path: &'a OsStr) -> Option<Prefix> { - use super::Prefix::*; - unsafe { - // The unsafety here stems from converting between &OsStr and &[u8] - // and back. This is safe to do because (1) we only look at ASCII - // contents of the encoding and (2) new &OsStr values are produced - // only from ASCII-bounded slices of existing &OsStr values. - let mut path = os_str_as_u8_slice(path); - - if path.starts_with(br"\\") { - // \\ - path = &path[2..]; - if path.starts_with(br"?\") { - // \\?\ - path = &path[2..]; - if path.starts_with(br"UNC\") { - // \\?\UNC\server\share - path = &path[4..]; - let (server, share) = match parse_two_comps(path, is_verbatim_sep) { - Some((server, share)) => - (u8_slice_as_os_str(server), u8_slice_as_os_str(share)), - None => (u8_slice_as_os_str(path), u8_slice_as_os_str(&[])), - }; - return Some(VerbatimUNC(server, share)); - } else { - // \\?\path - let idx = path.iter().position(|&b| b == b'\\'); - if idx == Some(2) && path[1] == b':' { - let c = path[0]; - if c.is_ascii() && (c as char).is_alphabetic() { - // \\?\C:\ path - return Some(VerbatimDisk(c.to_ascii_uppercase())); - } - } - let slice = &path[..idx.unwrap_or(path.len())]; - return Some(Verbatim(u8_slice_as_os_str(slice))); - } - } else if path.starts_with(b".\\") { - // \\.\path - path = &path[2..]; - let pos = path.iter().position(|&b| b == b'\\'); - let slice = &path[..pos.unwrap_or(path.len())]; - return Some(DeviceNS(u8_slice_as_os_str(slice))); - } - match parse_two_comps(path, is_sep_byte) { - Some((server, share)) if !server.is_empty() && !share.is_empty() => { - // \\server\share - return Some(UNC(u8_slice_as_os_str(server), u8_slice_as_os_str(share))); - } - _ => (), - } - } else if path.get(1) == Some(& b':') { - // C: - let c = path[0]; - if c.is_ascii() && (c as char).is_alphabetic() { - return Some(Disk(c.to_ascii_uppercase())); - } - } - return None; - } - - fn parse_two_comps(mut path: &[u8], f: fn(u8) -> bool) -> Option<(&[u8], &[u8])> { - let first = match path.iter().position(|x| f(*x)) { - None => return None, - Some(x) => &path[..x], - }; - path = &path[(first.len() + 1)..]; - let idx = path.iter().position(|x| f(*x)); - let second = &path[..idx.unwrap_or(path.len())]; - Some((first, second)) - } - } - - pub const MAIN_SEP_STR: &'static str = "\\"; - pub const MAIN_SEP: char = '\\'; -} - -//////////////////////////////////////////////////////////////////////////////// // Windows Prefixes //////////////////////////////////////////////////////////////////////////////// @@ -373,7 +249,7 @@ pub fn is_separator(c: char) -> bool { /// The primary separator for the current platform #[stable(feature = "rust1", since = "1.0.0")] -pub const MAIN_SEPARATOR: char = platform::MAIN_SEP; +pub const MAIN_SEPARATOR: char = ::sys::path::MAIN_SEP; //////////////////////////////////////////////////////////////////////////////// // Misc helpers |
