Initial commit

This is the inital commit of a somewhat working version.

1 files changed, 39 insertions, 0 deletions

diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 0000000..d60fabd
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1,39 @@
+use std::path::PathBuf;
+
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum Error {
+    #[error("invalid mod id '{0}'")]
+    InvalidModId(String),
+    #[error("underlying HTTP error")]
+    UreqError(#[from] ureq::Error),
+    #[error("underlying I/O error")]
+    IoError(#[from] std::io::Error),
+    #[error("the website returned unexpected data")]
+    InvalidScrape,
+    #[error("'{0}' is not a valid mod directory")]
+    InvalidModDir(PathBuf),
+    #[error("filesystem error")]
+    FsExtraError(#[from] fs_extra::error::Error),
+    #[error("ZIP error")]
+    ZipError(#[from] zip::result::ZipError),
+    #[error("the downloaded file was empty")]
+    EmptyArchive,
+    #[error("'{0}' is not a valid game directory")]
+    InvalidGameDir(PathBuf),
+    #[error("'{0}' is not a valid world directory")]
+    InvalidWorldDir(PathBuf),
+    #[error("'{0}' is not a valid modpack directory")]
+    InvalidModpackDir(PathBuf),
+    #[error("the world has no game ID set")]
+    NoGameSet,
+    #[error("'{0}' does not represent a valid mod source")]
+    InvalidSourceSpec(String),
+    #[error("invalid URL")]
+    UrlError(#[from] url::ParseError),
+    #[error("the mod ID '{0}' does not point to a single mod")]
+    AmbiguousModId(String),
+}
+
+pub type Result<T, E = Error> = std::result::Result<T, E>;