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meli/melib/src/sieve/runtime/tests/test_exists.rs

54 lines
2.0 KiB
Rust

/*
* Copyright (c) 2020-2023, Stalwart Labs Ltd.
*
* This file is part of the Stalwart Sieve Interpreter.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
* in the LICENSE file at the top-level directory of this distribution.
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can be released from the requirements of the AGPLv3 license by
* purchasing a commercial license. Please contact licensing@stalw.art
* for more details.
*/
use crate::sieve::{compiler::grammar::tests::test_exists::TestExists, Context};
use super::{mime::SubpartIterator, TestResult};
impl TestExists {
pub(crate) fn exec(&self, ctx: &mut Context) -> TestResult {
let header_names = ctx.parse_header_names(&self.header_names);
let mut header_exists = vec![false; header_names.len()];
let parts = [ctx.part];
let mut part_iter = SubpartIterator::new(ctx, &parts, self.mime_anychild);
let mut result = false;
while let Some((_, message_part)) = part_iter.next() {
for (pos, header_name) in header_names.iter().enumerate() {
if !header_exists[pos]
&& message_part.headers.iter().any(|h| &h.name == header_name)
{
header_exists[pos] = true;
}
}
if header_exists.iter().all(|v| *v) {
result = true;
break;
}
}
TestResult::Bool(result ^ self.is_not)
}
}