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Add macro to implement Wrap automatically

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This commit is contained in:
Matthias Beyer 2017-01-21 16:10:29 +01:00
parent 91a60093b7
commit 158e7aaff5
1 changed files with 17 additions and 24 deletions
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41
libimagruby/src/store.rs
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@ -22,6 +22,18 @@ trait Wrap {
fn wrap(self) -> AnyObject;
}
macro_rules! impl_wrap {
($target: ty, $wrapper: path) => {
impl Wrap for $target {
fn wrap(self) -> AnyObject {
Class::from_existing(concat!("R", stringify!($target)))
.wrap_data(self, &*($wrapper))
}
}
}
}
trait Unwrap {
type Target;
fn unwrap<'a>(&'a self) -> &'a mut Self::Target;
@ -93,18 +105,14 @@ pub mod storeid {
use libimagstore::storeid::StoreId;
use store::Unwrap;
use store::Wrap;
wrappable_struct!(StoreId, StoreIdWrapper, STOREID_WRAPPER);
class!(RStoreId);
impl_wrap!(StoreId, STOREID_WRAPPER);
impl_unwrap!(RStoreId, StoreId, STOREID_WRAPPER);
impl_verified_object!(RStoreId);
use store::Wrap;
impl Wrap for StoreId {
fn wrap(self) -> AnyObject {
Class::from_existing("RStoreId").wrap_data(self, &*STOREID_WRAPPER)
}
}
methods!(
RStoreId,
@ -324,15 +332,10 @@ pub mod store {
wrappable_struct!(EntryHeader, EntryHeaderWrapper, ENTRY_HEADER_WRAPPER);
class!(REntryHeader);
impl_wrap!(EntryHeader, ENTRY_HEADER_WRAPPER);
impl_unwrap!(REntryHeader, EntryHeader, ENTRY_HEADER_WRAPPER);
impl_verified_object!(REntryHeader);
impl Wrap for EntryHeader {
fn wrap(self) -> AnyObject {
Class::from_existing("REntryHeader").wrap_data(self, &*ENTRY_HEADER_WRAPPER)
}
}
methods!(
REntryHeader,
itself,
@ -389,14 +392,9 @@ pub mod store {
wrappable_struct!(EntryContent, EntryContentWrapper, ENTRY_CONTENT_WRAPPER);
class!(REntryContent);
impl_wrap!(EntryContent, ENTRY_CONTENT_WRAPPER);
impl_unwrap!(REntryContent, EntryContent, ENTRY_CONTENT_WRAPPER);
impl Wrap for EntryContent {
fn wrap(self) -> AnyObject {
Class::from_existing("REntryContent").wrap_data(self, &*ENTRY_CONTENT_WRAPPER)
}
}
wrappable_struct!(Entry, EntryWrapper, ENTRY_WRAPPER);
class!(REntry);
impl_unwrap!(REntry, Entry, ENTRY_WRAPPER);
@ -444,15 +442,10 @@ pub mod store {
wrappable_struct!(Store, StoreWrapper, STORE_WRAPPER);
class!(RStore);
impl_wrap!(Store, STORE_WRAPPER);
impl_unwrap!(RStore, Store, STORE_WRAPPER);
impl_verified_object!(RStore);
impl Wrap for Store {
fn wrap(self) -> AnyObject {
Class::from_existing("RStore").wrap_data(self, &*STORE_WRAPPER)
}
}
use store::storeid::RStoreId;
use store::store::entry::RFileLockEntry;