#![allow(deprecated)]
use crate::{ffi, SparqlConnection, SparqlValueType};
use glib::{
prelude::*,
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::{boxed::Box as Box_, pin::Pin};
glib::wrapper! {
#[doc(alias = "TrackerSparqlCursor")]
pub struct SparqlCursor(Object<ffi::TrackerSparqlCursor, ffi::TrackerSparqlCursorClass>);
match fn {
type_ => || ffi::tracker_sparql_cursor_get_type(),
}
}
impl SparqlCursor {
#[doc(alias = "tracker_sparql_cursor_close")]
pub fn close(&self) {
unsafe {
ffi::tracker_sparql_cursor_close(self.to_glib_none().0);
}
}
#[doc(alias = "tracker_sparql_cursor_get_boolean")]
#[doc(alias = "get_boolean")]
pub fn is_boolean(&self, column: i32) -> bool {
unsafe {
from_glib(ffi::tracker_sparql_cursor_get_boolean(
self.to_glib_none().0,
column,
))
}
}
#[doc(alias = "tracker_sparql_cursor_get_connection")]
#[doc(alias = "get_connection")]
pub fn connection(&self) -> Option<SparqlConnection> {
unsafe {
from_glib_none(ffi::tracker_sparql_cursor_get_connection(
self.to_glib_none().0,
))
}
}
#[cfg(feature = "v3_2")]
#[cfg_attr(docsrs, doc(cfg(feature = "v3_2")))]
#[doc(alias = "tracker_sparql_cursor_get_datetime")]
#[doc(alias = "get_datetime")]
pub fn datetime(&self, column: i32) -> Option<glib::DateTime> {
unsafe {
from_glib_full(ffi::tracker_sparql_cursor_get_datetime(
self.to_glib_none().0,
column,
))
}
}
#[doc(alias = "tracker_sparql_cursor_get_double")]
#[doc(alias = "get_double")]
pub fn double(&self, column: i32) -> f64 {
unsafe { ffi::tracker_sparql_cursor_get_double(self.to_glib_none().0, column) }
}
#[doc(alias = "tracker_sparql_cursor_get_integer")]
#[doc(alias = "get_integer")]
pub fn integer(&self, column: i32) -> i64 {
unsafe { ffi::tracker_sparql_cursor_get_integer(self.to_glib_none().0, column) }
}
#[doc(alias = "tracker_sparql_cursor_get_n_columns")]
#[doc(alias = "get_n_columns")]
#[doc(alias = "n-columns")]
pub fn n_columns(&self) -> i32 {
unsafe { ffi::tracker_sparql_cursor_get_n_columns(self.to_glib_none().0) }
}
#[doc(alias = "tracker_sparql_cursor_get_value_type")]
#[doc(alias = "get_value_type")]
pub fn value_type(&self, column: i32) -> SparqlValueType {
unsafe {
from_glib(ffi::tracker_sparql_cursor_get_value_type(
self.to_glib_none().0,
column,
))
}
}
#[doc(alias = "tracker_sparql_cursor_get_variable_name")]
#[doc(alias = "get_variable_name")]
pub fn variable_name(&self, column: i32) -> Option<glib::GString> {
unsafe {
from_glib_none(ffi::tracker_sparql_cursor_get_variable_name(
self.to_glib_none().0,
column,
))
}
}
#[doc(alias = "tracker_sparql_cursor_is_bound")]
pub fn is_bound(&self, column: i32) -> bool {
unsafe {
from_glib(ffi::tracker_sparql_cursor_is_bound(
self.to_glib_none().0,
column,
))
}
}
#[doc(alias = "tracker_sparql_cursor_next")]
pub fn next(
&self,
cancellable: Option<&impl IsA<gio::Cancellable>>,
) -> Result<bool, glib::Error> {
unsafe {
let mut error = std::ptr::null_mut();
let ret = ffi::tracker_sparql_cursor_next(
self.to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
&mut error,
);
if error.is_null() {
Ok(from_glib(ret))
} else {
Err(from_glib_full(error))
}
}
}
#[doc(alias = "tracker_sparql_cursor_next_async")]
pub fn next_async<P: FnOnce(Result<bool, glib::Error>) + 'static>(
&self,
cancellable: Option<&impl IsA<gio::Cancellable>>,
callback: P,
) {
let main_context = glib::MainContext::ref_thread_default();
let is_main_context_owner = main_context.is_owner();
let has_acquired_main_context = (!is_main_context_owner)
.then(|| main_context.acquire().ok())
.flatten();
assert!(
is_main_context_owner || has_acquired_main_context.is_some(),
"Async operations only allowed if the thread is owning the MainContext"
);
let user_data: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::new(glib::thread_guard::ThreadGuard::new(callback));
unsafe extern "C" fn next_async_trampoline<
P: FnOnce(Result<bool, glib::Error>) + 'static,
>(
_source_object: *mut glib::gobject_ffi::GObject,
res: *mut gio::ffi::GAsyncResult,
user_data: glib::ffi::gpointer,
) {
unsafe {
let mut error = std::ptr::null_mut();
let ret = ffi::tracker_sparql_cursor_next_finish(
_source_object as *mut _,
res,
&mut error,
);
let result = if error.is_null() {
Ok(from_glib(ret))
} else {
Err(from_glib_full(error))
};
let callback: Box_<glib::thread_guard::ThreadGuard<P>> =
Box_::from_raw(user_data as *mut _);
let callback: P = callback.into_inner();
callback(result);
}
}
let callback = next_async_trampoline::<P>;
unsafe {
ffi::tracker_sparql_cursor_next_async(
self.to_glib_none().0,
cancellable.map(|p| p.as_ref()).to_glib_none().0,
Some(callback),
Box_::into_raw(user_data) as *mut _,
);
}
}
pub fn next_future(
&self,
) -> Pin<Box_<dyn std::future::Future<Output = Result<bool, glib::Error>> + 'static>> {
Box_::pin(gio::GioFuture::new(self, move |obj, cancellable, send| {
obj.next_async(Some(cancellable), move |res| {
send.resolve(res);
});
}))
}
#[cfg_attr(feature = "v3_5", deprecated = "Since 3.5")]
#[allow(deprecated)]
#[doc(alias = "tracker_sparql_cursor_rewind")]
pub fn rewind(&self) {
unsafe {
ffi::tracker_sparql_cursor_rewind(self.to_glib_none().0);
}
}
#[doc(alias = "n-columns")]
pub fn connect_n_columns_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId {
unsafe extern "C" fn notify_n_columns_trampoline<F: Fn(&SparqlCursor) + 'static>(
this: *mut ffi::TrackerSparqlCursor,
_param_spec: glib::ffi::gpointer,
f: glib::ffi::gpointer,
) {
unsafe {
let f: &F = &*(f as *const F);
f(&from_glib_borrow(this))
}
}
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.as_ptr() as *mut _,
c"notify::n-columns".as_ptr(),
Some(std::mem::transmute::<*const (), unsafe extern "C" fn()>(
notify_n_columns_trampoline::<F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}