1 files changed, 45 insertions, 0 deletions

diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 0000000..8c2f096
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1,45 @@
+use std::{error, fmt};
+
+pub type OBIResult<T> = Result<T, OBIError>;
+
+#[derive(Debug)]
+pub enum OBIError {
+    Encode,
+    Decode,
+    Image,
+}
+
+impl fmt::Display for OBIError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            OBIError::Encode => writeln!(f, "Encoding error"),
+            OBIError::Decode => writeln!(f, "Decoding error"),
+            OBIError::Image => writeln!(f, "Image manipulation error"),
+        }
+    }
+}
+
+impl error::Error for OBIError {}
+
+#[derive(Debug)]
+enum Encode {
+    Metadata(MetadataError),
+    ChunkError(u32),
+}
+
+#[derive(Debug)]
+enum Decode {
+    Metadata(MetadataError),
+    ChunkError(u32),
+}
+
+#[derive(Debug)]
+enum MetadataError {
+    VersionError,
+    FileSizeError,
+    DataOffsetError,
+    WidthError,
+    HeightError,
+    CompressionTypeError,
+    PostCompressionSizeError,
+}