Add simple zip reader

1 files changed, 35 insertions, 0 deletions

diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 0000000..6d7aba4
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1,35 @@
+use std::error::Error;
+use std::fmt::Display;
+use std::io;
+
+pub type ArchiveResult<R, E> = Result<R, ArchiveError<E>>;
+
+#[derive(Debug)]
+pub enum ArchiveError<E: Error> {
+    IO(io::Error),
+    Driver { name: &'static str, error: E },
+}
+
+impl<E: Error> From<io::Error> for ArchiveError<E> {
+    fn from(value: io::Error) -> Self {
+        Self::IO(value)
+    }
+}
+
+impl<E: Error> Display for ArchiveError<E> {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            ArchiveError::IO(error) => write!(f, "{error}"),
+            ArchiveError::Driver { name, error } => write!(f, "{name}: {error}"),
+        }
+    }
+}
+
+impl<E: Error> Error for ArchiveError<E> {
+    fn source(&self) -> Option<&(dyn Error + 'static)> {
+        match self {
+            Self::IO(error) => Some(error),
+            _ => None,
+        }
+    }
+}