// Copyright 2023 宋昊文
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use crate::internet::header::Header;
use crate::internet::syntax;

pub trait Supported {
    fn supports(&self, extension: &[u8]) -> bool;
}

impl<'a> Supported for Header {
    fn supports(&self, extension: &[u8]) -> bool {
        let mut iter = self.get_value().split(|c| *c == b',');
        while let Some(slice) = iter.next() {
            let slice = syntax::trim(slice);
            if slice == extension {
                return true;
            }
        }
        false
    }
}