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Try implementing traverse_commit by hand

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This commit is contained in:
Felix Krull 2018-09-30 15:18:09 +02:00 committed by Colin Walters
parent 5e8753b369
commit 116f0dea86
1 changed files with 48 additions and 1 deletions
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49
rust-bindings/rust/libostree/src/repo.rs
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@ -1,15 +1,62 @@
use auto::Repo;
use ffi;
use gio;
use glib;
use glib::Error;
use glib::IsA;
use glib::translate::*;
use glib_ffi;
use std::collections::HashSet;
use std::ptr;
unsafe extern "C" fn read_variant_table(_key: glib_ffi::gpointer, value: glib_ffi::gpointer, hash_set: glib_ffi::gpointer) {
let value: glib::Variant = from_glib_none(value as *const glib_ffi::GVariant);
let set: &mut HashSet<glib::Variant> = &mut *(hash_set as *mut HashSet<glib::Variant>);
set.insert(value);
}
unsafe fn from_glib_container_variant_set(ptr: *mut glib_ffi::GHashTable) -> HashSet<glib::Variant> {
let mut set = HashSet::new();
glib_ffi::g_hash_table_foreach(ptr, Some(read_variant_table), &mut set as *mut HashSet<glib::Variant> as *mut _);
glib_ffi::g_hash_table_unref(ptr);
set
}
pub trait RepoExtManual {
fn new_for_str(path: &str) -> Repo;
fn traverse_commit_manual<'a, P: Into<Option<&'a gio::Cancellable>>>(
&self,
commit_checksum: &str,
maxdepth: i32,
cancellable: P) -> Result<HashSet<glib::Variant>, Error>;
}
impl<O: IsA<Repo> + IsA<glib::Object> + Clone + 'static> RepoExtManual for O {
fn new_for_str(path: &str) -> Repo {
Repo::new(&gio::File::new_for_path(path))
}
fn traverse_commit_manual<'a, P: Into<Option<&'a gio::Cancellable>>>(
&self,
commit_checksum: &str,
maxdepth: i32,
cancellable: P,
) -> Result<HashSet<glib::Variant>, Error> {
unsafe {
let mut error = ptr::null_mut();
let mut hashtable = ptr::null_mut();
let _ = ffi::ostree_repo_traverse_commit(
self.to_glib_none().0,
commit_checksum.to_glib_none().0,
maxdepth,
&mut hashtable,
cancellable.into().to_glib_none().0,
&mut error,
);
if error.is_null() { Ok(from_glib_container_variant_set(hashtable)) } else { Err(from_glib_full(error)) }
}
}
}