Add error module

libimagref/src/error.rs

@@ -0,0 +1,28 @@
+generate_error_module!(
+    generate_error_types!(RefError, RefErrorKind,
+        StoreReadError          => "Store read error",
+        StoreWriteError         => "Store write error",
+        HeaderTypeError         => "Header type error",
+        HeaderFieldMissingError => "Header field missing error",
+        HeaderFieldWriteError   => "Header field cannot be written",
+        HeaderFieldReadError    => "Header field cannot be read",
+        HeaderFieldAlreadyExistsError => "Header field already exists, cannot override",
+        PathUTF8Error => "Path cannot be converted because of UTF8 Error",
+        PathHashingError => "Path cannot be hashed",
+        PathCanonicalizationError => "Path cannot be canonicalized",
+
+        TypeConversionError => "Couldn't convert types",
+
+        RefNotInStore => "Ref/StoreId does not exist in store",
+
+        RefTargetDoesNotExist       => "Ref Target does not exist",
+        RefTargetPermissionError    => "Ref Target permissions insufficient for referencing",
+        RefTargetCannotBeHashed     => "Ref Target cannot be hashed (is it a directory?)",
+        RefTargetFileCannotBeOpened => "Ref Target File cannot be open()ed",
+        RefTargetCannotReadPermissions => "Ref Target: Cannot read permissions"
+    );
+);
+
+pub use self::error::RefError;
+pub use self::error::RefErrorKind;
+

libimagref/src/lib.rs

@@ -12,8 +12,8 @@ extern crate walkdir;
 
 module_entry_path_mod!("ref", "0.1.0");
 
-pub mod reference;
-pub mod flags;
 pub mod error;
+pub mod flags;
+pub mod reference;
 pub mod result;