diff options
Diffstat (limited to 'tvix/castore/src/nodes/symlink_node.rs')
-rw-r--r-- | tvix/castore/src/nodes/symlink_node.rs | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/tvix/castore/src/nodes/symlink_node.rs b/tvix/castore/src/nodes/symlink_node.rs new file mode 100644 index 000000000000..2fac27231a85 --- /dev/null +++ b/tvix/castore/src/nodes/symlink_node.rs @@ -0,0 +1,50 @@ +use crate::{NamedNode, ValidateNodeError}; + +/// A SymlinkNode represents a symbolic link in a Directory or at the root. +#[derive(Debug, Clone, PartialEq, Eq)] +pub struct SymlinkNode { + /// The (base)name of the symlink + name: bytes::Bytes, + /// The target of the symlink. + target: bytes::Bytes, +} + +impl SymlinkNode { + pub fn new(name: bytes::Bytes, target: bytes::Bytes) -> Result<Self, ValidateNodeError> { + if target.is_empty() || target.contains(&b'\0') { + return Err(ValidateNodeError::InvalidSymlinkTarget(target)); + } + Ok(Self { name, target }) + } + + pub fn target(&self) -> &bytes::Bytes { + &self.target + } + + pub(crate) fn rename(self, name: bytes::Bytes) -> Self { + Self { name, ..self } + } +} + +impl PartialOrd for SymlinkNode { + fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> { + Some(self.cmp(other)) + } +} + +impl Ord for SymlinkNode { + fn cmp(&self, other: &Self) -> std::cmp::Ordering { + self.get_name().cmp(other.get_name()) + } +} + +impl NamedNode for &SymlinkNode { + fn get_name(&self) -> &bytes::Bytes { + &self.name + } +} +impl NamedNode for SymlinkNode { + fn get_name(&self) -> &bytes::Bytes { + &self.name + } +} |