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// This file is part of Germ <https://github.com/gemrest/germ>.
// Copyright (C) 2022-2022 Fuwn <[email protected]>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 3.
//
// 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// Copyright (C) 2022-2022 Fuwn <[email protected]>
// SPDX-License-Identifier: GPL-3.0-only
use std::collections::HashMap;
/// Structure-ize a Gemini response's meta section into it's mime type and it's
/// parameters.
#[derive(Debug, Default)]
pub struct Meta {
/// The mime type of a Gemini response
mime: String,
/// The parameters of a Gemini response
parameters: HashMap<String, String>,
}
impl ToString for Meta {
fn to_string(&self) -> String {
format!("{}{}", self.mime, {
let mut parameters = self
.parameters
.iter()
.map(|(k, v)| format!("{}={}", *k, v))
.collect::<Vec<_>>();
parameters.reverse();
if parameters.is_empty() {
"".to_string()
} else {
format!("; {}", parameters.join("; "))
}
})
}
}
impl Meta {
#[must_use]
pub fn new() -> Self { Self::default() }
#[must_use]
pub fn from_string(meta: &str) -> Self {
let mut metas = meta.split(';');
let mime = metas.next().unwrap_or("").to_string();
let mut parameters = HashMap::new();
for parameter in metas {
let key_value = parameter
.trim_start()
.split_at(parameter.find('=').unwrap_or(0));
parameters.insert(
key_value.0.to_string().replace('=', ""),
key_value.1.to_string(),
);
}
Self {
mime,
parameters,
}
}
#[must_use]
pub fn mime(&self) -> &str { &self.mime }
pub fn mime_mut(&mut self) -> &mut String { &mut self.mime }
#[must_use]
pub const fn parameters(&self) -> &HashMap<String, String> {
&self.parameters
}
pub fn parameters_mut(&mut self) -> &mut HashMap<String, String> {
&mut self.parameters
}
}
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