Import subrepo hid/:hid at 3ac1005fe3e874bef850ab733fe1a09bc36b91c5

1 files changed, 62 insertions, 0 deletions

diff --git a/hid/src/error.rs b/hid/src/error.rs
new file mode 100644
index 0000000..367f47f
--- /dev/null
+++ b/hid/src/error.rs
@@ -0,0 +1,62 @@
+use std::ffi::CStr;
+use libc::c_int;
+use sys::*;
+use std::{error, fmt};
+
+#[derive(Clone, PartialEq, Eq, Debug)]
+pub enum Error {
+	Initialized,
+	NotFound,
+	General,
+	Write,
+	Read,
+	String(String),
+}
+
+pub type Result<T> = ::std::result::Result<T, Error>;
+
+impl From<c_int> for Error {
+	fn from(value: c_int) -> Error {
+		match value {
+			_ => Error::General
+		}
+	}
+}
+
+impl From<*mut hid_device> for Error {
+	fn from(value: *mut hid_device) -> Error {
+		unsafe {
+			Error::String(CStr::from_ptr(hid_error(value) as *const _).to_str().unwrap().to_owned())
+		}
+	}
+}
+
+impl fmt::Display for Error {
+	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+		f.write_str(error::Error::description(self))
+	}
+}
+
+impl error::Error for Error {
+	fn description(&self) -> &str {
+		match *self {
+			Error::Initialized =>
+				"Already initialized.",
+
+			Error::NotFound =>
+				"Device not found.",
+
+			Error::General =>
+				"General error.",
+
+			Error::Write =>
+				"Write error.",
+
+			Error::Read =>
+				"Read error.",
+
+			Error::String(ref err) =>
+				err,
+		}
+	}
+}