Add error module setup

libimagstorestdhook/src/vcs/git/error.rs

@@ -1,80 +1,9 @@
-use std::error::Error;
-use std::fmt::Error as FmtError;
-use std::clone::Clone;
-use std::fmt::{Display, Formatter};
+generate_error_module!(
+    generate_error_types!(GitHookError, GitHookErrorKind,
+        MkRepo => "Repository creation error"
+    );
+);
 
-/**
- * Kind of error
- */
-#[derive(Clone, Copy, Debug, PartialEq)]
-pub enum GitHookErrorKind {
-}
-
-fn githook_error_type_as_str(e: &GitHookErrorKind) -> &'static str {
-    match *e {
-        _ => "",
-    }
-}
-
-impl Display for GitHookErrorKind {
-
-    fn fmt(&self, fmt: &mut Formatter) -> Result<(), FmtError> {
-        try!(write!(fmt, "{}", githook_error_type_as_str(self)));
-        Ok(())
-    }
-
-}
-
-/**
- * Store error type
- */
-#[derive(Debug)]
-pub struct GitHookError {
-    err_type: GitHookErrorKind,
-    cause: Option<Box<Error>>,
-}
-
-impl GitHookError {
-
-    /**
-     * Build a new GitHookError from an GitHookErrorKind, optionally with cause
-     */
-    pub fn new(errtype: GitHookErrorKind, cause: Option<Box<Error>>)
-        -> GitHookError
-        {
-            GitHookError {
-                err_type: errtype,
-                cause: cause,
-            }
-        }
-
-    /**
-     * Get the error type of this GitHookError
-     */
-    pub fn err_type(&self) -> GitHookErrorKind {
-        self.err_type.clone()
-    }
-
-}
-
-impl Display for GitHookError {
-
-    fn fmt(&self, fmt: &mut Formatter) -> Result<(), FmtError> {
-        try!(write!(fmt, "[{}]", githook_error_type_as_str(&self.err_type.clone())));
-        Ok(())
-    }
-
-}
-
-impl Error for GitHookError {
-
-    fn description(&self) -> &str {
-        githook_error_type_as_str(&self.err_type.clone())
-    }
-
-    fn cause(&self) -> Option<&Error> {
-        self.cause.as_ref().map(|e| &**e)
-    }
-
-}
+pub use self::error::GitHookError;
+pub use self::error::GitHookErrorKind;