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/*
* meli - configuration module.
*
* Copyright 2019 Manos Pitsidianakis
*
* This file is part of meli.
*
* meli 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, either version 3 of the License, or
* (at your option) any later version.
*
* meli 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 meli. If not, see <http://www.gnu.org/licenses/>.
*/
//! E-mail tag configuration and {de,}serializing.
use super::DotAddressable;
use crate::terminal::Color;
use melib::{Error, Result, TagHash};
use serde::{Deserialize, Deserializer};
use std::collections::{HashMap, HashSet};
#[derive(Default, Debug, Deserialize, Clone, Serialize)]
#[serde(deny_unknown_fields)]
pub struct TagsSettings {
#[serde(default, deserialize_with = "tag_color_de")]
pub colors: HashMap<TagHash, Color>,
#[serde(default, deserialize_with = "tag_set_de", alias = "ignore-tags")]
pub ignore_tags: HashSet<TagHash>,
}
pub fn tag_set_de<'de, D, T: std::convert::From<HashSet<TagHash>>>(
deserializer: D,
) -> std::result::Result<T, D::Error>
where
D: Deserializer<'de>,
{
Ok(<Vec<String>>::deserialize(deserializer)?
.into_iter()
.map(|tag| TagHash::from_bytes(tag.as_bytes()))
.collect::<HashSet<TagHash>>()
.into())
}
pub fn tag_color_de<'de, D, T: std::convert::From<HashMap<TagHash, Color>>>(
deserializer: D,
) -> std::result::Result<T, D::Error>
where
D: Deserializer<'de>,
{
#[derive(Deserialize)]
#[serde(untagged)]
enum _Color {
B(u8),
C(Color),
}
Ok(<HashMap<String, _Color>>::deserialize(deserializer)?
.into_iter()
.map(|(tag, color)| {
(
TagHash::from_bytes(tag.as_bytes()),
match color {
_Color::B(b) => Color::Byte(b),
_Color::C(c) => c,
},
)
})
.collect::<HashMap<TagHash, Color>>()
.into())
}
impl DotAddressable for TagsSettings {
fn lookup(&self, parent_field: &str, path: &[&str]) -> Result<String> {
match path.first() {
Some(field) => {
let tail = &path[1..];
match *field {
"colors" => self.colors.lookup(field, tail),
"ignore_tags" => self.ignore_tags.lookup(field, tail),
other => Err(Error::new(format!(
"{} has no field named {}",
parent_field, other
))),
}
}
None => Ok(toml::to_string(self).map_err(|err| err.to_string())?),
}
}
}
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