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Add new trait function to add annotated links

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With this new trait function, one can add annotated links to the
entries.

There's no support yet for removing these links.
This commit is contained in:
Matthias Beyer 2017-02-22 17:40:28 +01:00
parent 8de5bf93be
commit 633f999d54
1 changed files with 26 additions and 12 deletions
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38
libimagentrylink/src/internal.rs
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@ -151,6 +151,8 @@ pub trait InternalLinker {
/// Remove an internal link from the implementor object
fn remove_internal_link(&mut self, link: &mut Entry) -> Result<()>;
/// Add internal annotated link
fn add_internal_annotated_link(&mut self, link: &mut Entry, annotation: String) -> Result<()>;
}
pub mod iter {
@ -394,18 +396,8 @@ impl InternalLinker for Entry {
}
fn add_internal_link(&mut self, link: &mut Entry) -> Result<()> {
let new_link = link.get_location().clone().into();
debug!("Adding internal link from {:?} to {:?}", self.get_location(), new_link);
add_foreign_link(link, self.get_location().clone())
.and_then(|_| {
self.get_internal_links()
.and_then(|links| {
let links = links.chain(LinkIter::new(vec![new_link]));
rewrite_links(self.get_header_mut(), links)
})
})
let location = link.get_location().clone().into();
add_internal_link_with_instance(self, link, location)
}
fn remove_internal_link(&mut self, link: &mut Entry) -> Result<()> {
@ -430,6 +422,28 @@ impl InternalLinker for Entry {
})
}
fn add_internal_annotated_link(&mut self, link: &mut Entry, annotation: String) -> Result<()> {
let new_link = Link::Annotated {
link: link.get_location().clone(),
annotation: annotation,
};
add_internal_link_with_instance(self, link, new_link)
}
}
fn add_internal_link_with_instance(this: &mut Entry, link: &mut Entry, instance: Link) -> Result<()> {
debug!("Adding internal link from {:?} to {:?}", this.get_location(), instance);
add_foreign_link(link, this.get_location().clone())
.and_then(|_| {
this.get_internal_links()
.and_then(|links| {
let links = links.chain(LinkIter::new(vec![instance]));
rewrite_links(this.get_header_mut(), links)
})
})
}
fn rewrite_links<I: Iterator<Item = Link>>(header: &mut Value, links: I) -> Result<()> {