From 9f27a925bd323e8e0864bedeb33a3c6953517ea1 Mon Sep 17 00:00:00 2001 From: HampusM Date: Sat, 19 Nov 2022 15:45:12 +0100 Subject: refactor: reorganize non-public API items --- macros/src/caster.rs | 150 +++++++++++++++++++ macros/src/factory/build_declare_interfaces.rs | 16 +-- macros/src/lib.rs | 4 +- macros/src/libs/intertrait_macros/LICENSE-APACHE | 176 ----------------------- macros/src/libs/intertrait_macros/LICENSE-MIT | 17 --- macros/src/libs/intertrait_macros/gen_caster.rs | 150 ------------------- macros/src/libs/intertrait_macros/mod.rs | 14 -- macros/src/libs/mod.rs | 1 - 8 files changed, 160 insertions(+), 368 deletions(-) create mode 100644 macros/src/caster.rs delete mode 100644 macros/src/libs/intertrait_macros/LICENSE-APACHE delete mode 100644 macros/src/libs/intertrait_macros/LICENSE-MIT delete mode 100644 macros/src/libs/intertrait_macros/gen_caster.rs delete mode 100644 macros/src/libs/intertrait_macros/mod.rs delete mode 100644 macros/src/libs/mod.rs (limited to 'macros') diff --git a/macros/src/caster.rs b/macros/src/caster.rs new file mode 100644 index 0000000..b84bd4d --- /dev/null +++ b/macros/src/caster.rs @@ -0,0 +1,150 @@ +/** + * Originally from Intertrait by CodeChain + * + * + * + * + * Licensed under either of + * + * Apache License, Version 2.0 (LICENSE-APACHE or ) + * MIT license (LICENSE-MIT or ) + + * 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::private::cast::Caster::<#dst_trait>::new_sync( + |from| { + let concrete = from + .downcast::<#ty>() + .map_err(|_| syrette::private::cast::CasterError::CastBoxFailed)?; + + Ok(concrete as Box<#dst_trait>) + }, + |from| { + let concrete = from + .downcast::<#ty>() + .map_err(|_| syrette::private::cast::CasterError::CastRcFailed)?; + + Ok(concrete as std::rc::Rc<#dst_trait>) + }, + |from| { + let concrete = from + .downcast::<#ty>() + .map_err(|_| syrette::private::cast::CasterError::CastArcFailed)?; + + Ok(concrete as std::sync::Arc<#dst_trait>) + }, + ) + } + } else { + quote! { + syrette::private::cast::Caster::<#dst_trait>::new( + |from| { + let concrete = from + .downcast::<#ty>() + .map_err(|_| syrette::private::cast::CasterError::CastBoxFailed)?; + + Ok(concrete as Box<#dst_trait>) + }, + |from| { + let concrete = from + .downcast::<#ty>() + .map_err(|_| syrette::private::cast::CasterError::CastRcFailed)?; + + Ok(concrete as std::rc::Rc<#dst_trait>) + }, + ) + } + }; + + quote! { + #[syrette::private::linkme::distributed_slice(syrette::private::cast::CASTERS)] + #[linkme(crate = syrette::private::linkme)] + fn #fn_ident() -> (::std::any::TypeId, syrette::private::cast::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))) + ); + } +} diff --git a/macros/src/factory/build_declare_interfaces.rs b/macros/src/factory/build_declare_interfaces.rs index 6ab135e..038d29d 100644 --- a/macros/src/factory/build_declare_interfaces.rs +++ b/macros/src/factory/build_declare_interfaces.rs @@ -11,10 +11,10 @@ pub fn build_declare_factory_interfaces( if is_threadsafe { quote! { syrette::declare_interface!( - syrette::castable_factory::threadsafe::ThreadsafeCastableFactory< + syrette::private::castable_factory::threadsafe::ThreadsafeCastableFactory< (std::sync::Arc,), #factory_interface - > -> syrette::interfaces::factory::IThreadsafeFactory< + > -> syrette::private::factory::IThreadsafeFactory< (std::sync::Arc,), #factory_interface >, @@ -22,30 +22,30 @@ pub fn build_declare_factory_interfaces( ); syrette::declare_interface!( - syrette::castable_factory::threadsafe::ThreadsafeCastableFactory< + syrette::private::castable_factory::threadsafe::ThreadsafeCastableFactory< (std::sync::Arc,), #factory_interface - > -> syrette::interfaces::any_factory::AnyThreadsafeFactory, + > -> syrette::private::any_factory::AnyThreadsafeFactory, async = true ); } } else { quote! { syrette::declare_interface!( - syrette::castable_factory::blocking::CastableFactory< + syrette::private::castable_factory::blocking::CastableFactory< (std::rc::Rc,), #factory_interface - > -> syrette::interfaces::factory::IFactory< + > -> syrette::private::factory::IFactory< (std::rc::Rc,), #factory_interface > ); syrette::declare_interface!( - syrette::castable_factory::blocking::CastableFactory< + syrette::private::castable_factory::blocking::CastableFactory< (std::rc::Rc,), #factory_interface - > -> syrette::interfaces::any_factory::AnyFactory + > -> syrette::private::any_factory::AnyFactory ); } } diff --git a/macros/src/lib.rs b/macros/src/lib.rs index ccd38e1..ac0309e 100644 --- a/macros/src/lib.rs +++ b/macros/src/lib.rs @@ -20,9 +20,9 @@ use syn::{ TypeTraitObject, }; +mod caster; mod declare_interface_args; mod injectable; -mod libs; mod macro_flag; mod util; @@ -37,11 +37,11 @@ mod fn_trait; #[cfg(test)] mod test_utils; +use crate::caster::generate_caster; use crate::declare_interface_args::DeclareInterfaceArgs; use crate::injectable::dependency::Dependency; use crate::injectable::implementation::InjectableImpl; use crate::injectable::macro_args::InjectableMacroArgs; -use crate::libs::intertrait_macros::gen_caster::generate_caster; /// Makes a struct injectable. Thereby usable with [`DIContainer`] or /// [`AsyncDIContainer`]. diff --git a/macros/src/libs/intertrait_macros/LICENSE-APACHE b/macros/src/libs/intertrait_macros/LICENSE-APACHE deleted file mode 100644 index d9a10c0..0000000 --- a/macros/src/libs/intertrait_macros/LICENSE-APACHE +++ /dev/null @@ -1,176 +0,0 @@ - Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. 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