50 lines
1.3 KiB
Rust
50 lines
1.3 KiB
Rust
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//! Abstract-ish representation of paths for VFS.
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use std::fmt;
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use paths::{AbsPath, AbsPathBuf};
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/// Long-term, we want to support files which do not reside in the file-system,
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/// so we treat VfsPaths as opaque identifiers.
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#[derive(Debug, Clone, Ord, PartialOrd, Eq, PartialEq, Hash)]
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pub struct VfsPath(VfsPathRepr);
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impl VfsPath {
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pub fn as_path(&self) -> Option<&AbsPath> {
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match &self.0 {
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VfsPathRepr::PathBuf(it) => Some(it.as_path()),
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}
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}
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pub fn join(&self, path: &str) -> VfsPath {
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match &self.0 {
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VfsPathRepr::PathBuf(it) => {
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let res = it.join(path).normalize();
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VfsPath(VfsPathRepr::PathBuf(res))
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}
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}
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}
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pub fn pop(&mut self) -> bool {
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match &mut self.0 {
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VfsPathRepr::PathBuf(it) => it.pop(),
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}
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}
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}
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#[derive(Debug, Clone, Ord, PartialOrd, Eq, PartialEq, Hash)]
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enum VfsPathRepr {
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PathBuf(AbsPathBuf),
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}
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impl From<AbsPathBuf> for VfsPath {
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fn from(v: AbsPathBuf) -> Self {
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VfsPath(VfsPathRepr::PathBuf(v))
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}
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}
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impl fmt::Display for VfsPath {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match &self.0 {
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VfsPathRepr::PathBuf(it) => fmt::Display::fmt(&it.display(), f),
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}
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}
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}
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