From 9f27a925bd323e8e0864bedeb33a3c6953517ea1 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Sat, 19 Nov 2022 15:45:12 +0100
Subject: refactor: reorganize non-public API items

---
 macros/src/libs/intertrait_macros/gen_caster.rs | 150 ------------------------
 1 file changed, 150 deletions(-)
 delete mode 100644 macros/src/libs/intertrait_macros/gen_caster.rs

(limited to 'macros/src/libs/intertrait_macros/gen_caster.rs')

diff --git a/macros/src/libs/intertrait_macros/gen_caster.rs b/macros/src/libs/intertrait_macros/gen_caster.rs
deleted file mode 100644
index 06f5aad..0000000
--- a/macros/src/libs/intertrait_macros/gen_caster.rs
+++ /dev/null
@@ -1,150 +0,0 @@
-/**
- * Originally from Intertrait by CodeChain
- *
- * <https://github.com/CodeChain-io/intertrait>
- * <https://crates.io/crates/intertrait/0.2.2>
- *
- * Licensed under either of
- *
- * Apache License, Version 2.0 (LICENSE-APACHE or <http://www.apache.org/licenses/LICENSE-2.0>)
- * MIT license (LICENSE-MIT or <http://opensource.org/licenses/MIT>)
-
- * at your option.
-*/
-use std::str::from_utf8;
-
-use proc_macro2::{Ident, TokenStream};
-use quote::{format_ident, quote, ToTokens};
-use uuid::adapter::Simple;
-use uuid::Uuid;
-
-const CASTER_FN_NAME_PREFIX: &[u8] = b"__";
-
-const FN_BUF_LEN: usize = CASTER_FN_NAME_PREFIX.len() + Simple::LENGTH;
-
-pub fn generate_caster(
-    ty: &impl ToTokens,
-    dst_trait: &impl ToTokens,
-    sync: bool,
-) -> TokenStream
-{
-    let fn_ident = create_caster_fn_ident(Uuid::new_v4());
-
-    let new_caster = if sync {
-        quote! {
-            syrette::libs::intertrait::Caster::<#dst_trait>::new_sync(
-                |from| {
-                    let concrete = from
-                        .downcast::<#ty>()
-                        .map_err(|_| syrette::libs::intertrait::CasterError::CastBoxFailed)?;
-
-                    Ok(concrete as Box<#dst_trait>)
-                },
-                |from| {
-                    let concrete = from
-                        .downcast::<#ty>()
-                        .map_err(|_| syrette::libs::intertrait::CasterError::CastRcFailed)?;
-
-                    Ok(concrete as std::rc::Rc<#dst_trait>)
-                },
-                |from| {
-                    let concrete = from
-                        .downcast::<#ty>()
-                        .map_err(|_| syrette::libs::intertrait::CasterError::CastArcFailed)?;
-
-                    Ok(concrete as std::sync::Arc<#dst_trait>)
-                },
-            )
-        }
-    } else {
-        quote! {
-            syrette::libs::intertrait::Caster::<#dst_trait>::new(
-                |from| {
-                    let concrete = from
-                        .downcast::<#ty>()
-                        .map_err(|_| syrette::libs::intertrait::CasterError::CastBoxFailed)?;
-
-                    Ok(concrete as Box<#dst_trait>)
-                },
-                |from| {
-                    let concrete = from
-                        .downcast::<#ty>()
-                        .map_err(|_| syrette::libs::intertrait::CasterError::CastRcFailed)?;
-
-                    Ok(concrete as std::rc::Rc<#dst_trait>)
-                },
-            )
-        }
-    };
-
-    quote! {
-        #[syrette::libs::linkme::distributed_slice(syrette::libs::intertrait::CASTERS)]
-        #[linkme(crate = syrette::libs::linkme)]
-        fn #fn_ident() -> (::std::any::TypeId, syrette::libs::intertrait::BoxedCaster) {
-            (::std::any::TypeId::of::<#ty>(), Box::new(#new_caster))
-        }
-    }
-}
-
-fn create_caster_fn_ident(uuid: impl IUuid) -> Ident
-{
-    let buf = &mut [0u8; FN_BUF_LEN];
-
-    buf[..CASTER_FN_NAME_PREFIX.len()].copy_from_slice(CASTER_FN_NAME_PREFIX);
-
-    uuid.encode_simple_lower_into(&mut buf[CASTER_FN_NAME_PREFIX.len()..]);
-
-    let fn_name =
-        from_utf8(&buf[..FN_BUF_LEN]).expect("Created caster function name is not UTF-8");
-
-    format_ident!("{}", fn_name)
-}
-
-/// Simple interface for `Uuid`.
-///
-/// Created for ease of testing the [`create_caster_fn_ident`] function.
-///
-/// [`Uuid`]: uuid::Uuid
-#[cfg_attr(test, mockall::automock)]
-trait IUuid
-{
-    /// Writes the Uuid as a simple lower-case string to `buf`.
-    fn encode_simple_lower_into(self, buf: &mut [u8]);
-}
-
-impl IUuid for Uuid
-{
-    fn encode_simple_lower_into(self, buf: &mut [u8])
-    {
-        self.to_simple().encode_lower(buf);
-    }
-}
-
-#[cfg(test)]
-mod tests
-{
-    use pretty_assertions::assert_eq;
-    use utility_macros::repeat_char;
-
-    use super::*;
-
-    #[test]
-    fn can_create_caster_fn_ident()
-    {
-        let mut uuid_mock = MockIUuid::new();
-
-        uuid_mock
-            .expect_encode_simple_lower_into()
-            .return_once(|buf| {
-                for index in 0..(FN_BUF_LEN - 2) {
-                    buf[index] = b'f';
-                }
-            })
-            .once();
-
-        assert_eq!(
-            create_caster_fn_ident(uuid_mock),
-            format_ident!(concat!("__", repeat_char!('f', 32)))
-        );
-    }
-}
-- 
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