From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Fri, 19 Apr 2024 02:47:55 +0200
Subject: Adding upstream version 124.0.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 toolkit/components/cascade_bloom_filter/src/lib.rs | 56 ++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 toolkit/components/cascade_bloom_filter/src/lib.rs

(limited to 'toolkit/components/cascade_bloom_filter/src')

diff --git a/toolkit/components/cascade_bloom_filter/src/lib.rs b/toolkit/components/cascade_bloom_filter/src/lib.rs
new file mode 100644
index 0000000000..494b67b68d
--- /dev/null
+++ b/toolkit/components/cascade_bloom_filter/src/lib.rs
@@ -0,0 +1,56 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+extern crate nserror;
+extern crate nsstring;
+extern crate rust_cascade;
+extern crate thin_vec;
+#[macro_use]
+extern crate xpcom;
+
+use nserror::{nsresult, NS_ERROR_INVALID_ARG, NS_ERROR_NOT_INITIALIZED, NS_OK};
+use nsstring::nsACString;
+use rust_cascade::Cascade;
+use std::cell::RefCell;
+use thin_vec::ThinVec;
+use xpcom::interfaces::nsICascadeFilter;
+use xpcom::{xpcom_method, RefPtr};
+
+#[xpcom(implement(nsICascadeFilter), nonatomic)]
+pub struct CascadeFilter {
+    filter: RefCell<Option<Cascade>>,
+}
+
+impl CascadeFilter {
+    fn new() -> RefPtr<CascadeFilter> {
+        CascadeFilter::allocate(InitCascadeFilter {
+            filter: RefCell::new(None),
+        })
+    }
+    xpcom_method!(set_filter_data => SetFilterData(data: *const ThinVec<u8>));
+
+    fn set_filter_data(&self, data: &ThinVec<u8>) -> Result<(), nsresult> {
+        let filter = Cascade::from_bytes(data.to_vec())
+            .unwrap_or(None)
+            .ok_or(NS_ERROR_INVALID_ARG)?;
+        self.filter.borrow_mut().replace(filter);
+        Ok(())
+    }
+
+    xpcom_method!(has => Has(key: *const nsACString) -> bool);
+
+    fn has(&self, key: &nsACString) -> Result<bool, nsresult> {
+        match self.filter.borrow().as_ref() {
+            None => Err(NS_ERROR_NOT_INITIALIZED),
+            Some(filter) => Ok(filter.has(key.to_vec())),
+        }
+    }
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn cascade_filter_construct(result: &mut *const nsICascadeFilter) {
+    let inst: RefPtr<CascadeFilter> = CascadeFilter::new();
+    *result = inst.coerce::<nsICascadeFilter>();
+    std::mem::forget(inst);
+}
-- 
cgit v1.2.3