65 lines
2.1 KiB
Rust
65 lines
2.1 KiB
Rust
use auto::Repo;
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use ffi;
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use gio;
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use glib;
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use glib::Error;
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use glib::IsA;
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use glib::translate::*;
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use glib_ffi;
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use std::collections::HashSet;
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use std::ptr;
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use std::path::Path;
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use ObjectName;
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unsafe extern "C" fn read_variant_table(_key: glib_ffi::gpointer, value: glib_ffi::gpointer, hash_set: glib_ffi::gpointer) {
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let value: glib::Variant = from_glib_none(value as *const glib_ffi::GVariant);
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// TODO: this set is degenerate because g_variant_hash for my Variants is always 0
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let set: &mut HashSet<ObjectName> = &mut *(hash_set as *mut HashSet<ObjectName>);
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set.insert(ObjectName::new(value));
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}
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unsafe fn from_glib_container_variant_set(ptr: *mut glib_ffi::GHashTable) -> HashSet<ObjectName> {
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let mut set = HashSet::new();
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glib_ffi::g_hash_table_foreach(ptr, Some(read_variant_table), &mut set as *mut HashSet<ObjectName> as *mut _);
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glib_ffi::g_hash_table_unref(ptr);
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set
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}
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pub trait RepoExtManual {
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fn new_for_path<P: AsRef<Path>>(path: P) -> Repo;
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fn traverse_commit<'a, P: Into<Option<&'a gio::Cancellable>>>(
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&self,
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commit_checksum: &str,
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maxdepth: i32,
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cancellable: P) -> Result<HashSet<ObjectName>, Error>;
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}
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impl<O: IsA<Repo> + IsA<glib::Object> + Clone + 'static> RepoExtManual for O {
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fn new_for_path<P: AsRef<Path>>(path: P) -> Repo {
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Repo::new(&gio::File::new_for_path(path.as_ref()))
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}
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fn traverse_commit<'a, P: Into<Option<&'a gio::Cancellable>>>(
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&self,
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commit_checksum: &str,
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maxdepth: i32,
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cancellable: P,
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) -> Result<HashSet<ObjectName>, Error> {
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unsafe {
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let mut error = ptr::null_mut();
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let mut hashtable = ptr::null_mut();
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let _ = ffi::ostree_repo_traverse_commit(
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self.to_glib_none().0,
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commit_checksum.to_glib_none().0,
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maxdepth,
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&mut hashtable,
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cancellable.into().to_glib_none().0,
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&mut error,
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);
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if error.is_null() { Ok(from_glib_container_variant_set(hashtable)) } else { Err(from_glib_full(error)) }
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}
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}
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}
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