1 files changed, 61 insertions, 0 deletions
diff --git a/src/chunker/rw/error.rs b/src/chunker/rw/error.rs
new file mode 100644
index 0000000..7f263a5
--- /dev/null
+++ b/src/chunker/rw/error.rs
@@ -0,0 +1,61 @@
+use butck_policies::error::ChunkFailed;
+
+use crate::chunker::context::ButckContext;
+
+#[derive(Debug)]
+pub struct ButckRWError {
+    kind: ButckRWErrorKind,
+    ctx: ButckContext,
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum ButckRWErrorKind {
+    #[error("No butck storage found")]
+    NoButckStorageFound,
+
+    #[error("Chunking policy not specified")]
+    ChunkingPolicyNotSpecified,
+
+    #[error("Cannot enable both MemmapRead and StreamRead")]
+    ReadingMethodAmbiguous,
+
+    #[error("Multiple input files specified but only one output file allowed")]
+    OutputCountMismatch,
+
+    #[error("Invalid bidx file format")]
+    InvalidBidxFormat,
+
+    #[error("Chunk not found in storage: {0}")]
+    ChunkNotFound(String),
+
+    #[error("Failed to rebuild file: {0}")]
+    RebuildFailed(String),
+
+    #[error("Chunking failed: {0}")]
+    ChunkFailed(#[from] ChunkFailed),
+
+    #[error("IO error: {0}")]
+    IOError(#[from] std::io::Error),
+}
+
+impl std::fmt::Display for ButckRWError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}", self.kind)
+    }
+}
+
+impl ButckRWError {
+    pub fn ctx(&self) -> &ButckContext {
+        &self.ctx
+    }
+
+    pub fn kind(&self) -> &ButckRWErrorKind {
+        &self.kind
+    }
+}
+
+impl ButckRWErrorKind {
+    pub fn pack(self, ctx: ButckContext) -> ButckRWError {
+        ButckRWError { kind: self, ctx }
+    }
+}